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Patent 5231172: Fiber reactive dyes which contain a sulfonamido-triazinyl group and one or two groups or the vinyl sulfone series
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Azo : Fiber- or substrate-reactive azo compound : Alkylene, alkenyl, alkenylene, alkynyl or alkynylene attached directly or indirectlyto a ring by nonionic bonding : Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamido, which sulfonyl or sulfonamido is between a ring and the alkylene, alkenyl or alkenylene : The alkylene, alkenyl or alkenylene and the ring are both bonded directly to the same sulfonyl group : Pyrazole containing (including hydrogenated))
Patent 5231173: Disazo metal chelate compounds for optical recording media
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Azo : Heavy metal or aluminum containing : Hetero ring containing : Polycyclo ring system containing the hetero ring as one of the cyclos : Azo bonded directly to the polycyclo ring system : The azo group is attached indirectly in the same azo moiety to an additional azo group or to an acyclic chain which contains a -CH=N- group by nonionic bonding : The hetero ring is one of the cyclos in a polycyclo ring system)
Patent 5231174: 2'isodideoxy-.beta.-D-nucleosides as stable antiviral agents
(DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS : DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) : Carbohydrate (i.e., saccharide radical containing) DOAI : N-glycoside : Nitrogen containing hetero ring : Purines (including hydrogenated) (e.g., adenine, guanine, etc.) : Adenosine or derivative : Kanamycin or derivative)
Patent 5231175: Process for the preparation of 3'- or 2'-halo-substituted-2',3'-dideoxynucleosides
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbohydrates or derivatives : Nitrogen containing : N-glycosides, polymers thereof, metal derivatives (e.g., nucleic acids, oligonucleotides, etc.) : Phosphorus containing N-glycoside wherein the N is part of an N-hetero ring : Extraction processes (e.g., solvent extraction process, etc.))
Patent 5231176: Distinct family DNA encoding of human leukocyte interferons
(CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY : MICRO-ORGANISM, TISSUE CELL CULTURE OR ENZYME USING PROCESS TO SYNTHESIZE A DESIRED CHEMICAL COMPOUND OR COMPOSITION : Recombinant DNA technique included in method of making a protein or polypeptide : Lymphokines or monokines : Interferons : At 11 alpha position)
Patent 5231177: Sodium N-acetylneuraminate trihydrate
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbohydrates or derivatives : Nitrogen containing : Oxygen double bonded and nitrogen bonded directly to the same carbon : Ethers)
Patent 5231178: Method for the purification of intact, correctly-folded insulin-like growth factor-1
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Hormones, e.g., prolactin, thymosin, growth factors, etc. : Glycoprotein hormones)
Patent 5231179: Heterocyclic compounds and their production
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS : Hetero ring is four-membered containing nitrogen and having chalcogen double bonded directly to a ring carbon which is adjacent to the ring nitrogen : Phthalocyanines)
Patent 5231180: Process for the manufacture of diazinon
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.) : The six-membered hetero ring consists of two nitrogens and four carbons (e.g., 1,2-diazines, etc.) : 1,3-diazines : Phosphorus attached directly or indirectly to the diazine ring by nonionic bonding : Phthalazines (including hydrogenated))
Patent 5231181: Process for the preparation of (8As,12AS,13AS)-decahydroisoquino ((2,1-G) (1,6)-naphthyridin-8-one derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Polycyclo ring system having the six-membered hetero ring as one of the cyclos : Pentacyclo ring system having the six-membered hetero ring as one of the cyclos : Plural ring hetero atoms in the pentacyclo ring system : Three or more ring hetero atoms in the pentacyclo ring system : A single chalcogen is bonded directly to ring carbon of the pentacyclo ring system (e.g., desoxy morphine, etc.))
Patent 5231182: Method of making certain aryl containing amides
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Polycyclo ring system having the six-membered hetero ring as one of the cyclos : Bicyclo ring system having the six-membered hetero ring as one of the cyclos : Plural ring hetero atoms in the bicyclo ring system : Ring nitrogen is shared by the two cyclos : Two of the ring nitrogens are bonded directly to each other)
Patent 5231183: Process for producing enyne derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Sulfur containing hetero ring (e.g., thiiranes, etc.) : The hetero ring is five-membered : Polycyclo ring system having the hetero ring as one of the cyclos : Bicyclo ring system having the hetero ring as one of the cyclos : Chalcogen attached directly to the tricyclo ring system by nonionic bonding)
Patent 5231184: Pridazinamine derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Piperidines : Additional ring containing : The additional ring is a hetero ring : Ring nitrogen in the additional hetero ring : Ring sulfur or ring oxygen in the additional hetero ring : Bicyclo ring system which is indole (including hydrogenated))
Patent 5231185: Monosaccharide analog-based glycosidase inhibitors
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Chalcogen bonded directly to ring carbon of the six-membered hetero ring : Plural chalcogens bonded directly to ring carbons of the six-membered hetero ring : Halogen bonded directly to the six-membered hetero ring by nonionic bonding)
Patent 5231186: Quaternary ammonium salts
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) : Heavy metal or aluminum containing : The metal is in an anion and the five-membered hetero ring is in a cation :)
Patent 5231187: Synthesis of 4-methyl thiazole
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) : 1,3-thiazoles (including hydrogenated) : Plural double bonds between ring members of thiazole ring : The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens)
Patent 5231188: Tricyclic [6.5.51]-fused oxazolidinone antibacterial agents
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) : 1,3-oxazoles (including hydrogenated) : Polycyclo ring system having the oxazole ring as one of the cyclos : Chalcogen bonded directly at the 2-position of the oxazole ring : Plural oxazole-containing polycyclo ring systems each bonded directly to the same polycyclo ring system or the same hetero ring)
Patent 5231189: Process for producing N-substituted aziridine compound
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is three-membered including nitrogen and carbon : Nitrogen, other than as nitro or nitroso, attached indirectly to the hetero ring by nonionic bonding : Having -C(=X)-, wherein X is chalcogen, in chain between the hetero rings)
Patent 5231190: Squarylium compounds, and processes and intermediates for the synthesis of these compounds
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Sulfur containing hetero ring (e.g., thiiranes, etc.) : The hetero ring is six-membered : Polycyclo ring system having at least three cyclos and having the hetero ring as one of the cyclos)
Patent 5231191: Rhodamine phosphoramidite compounds
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : Phosphorus attached indirectly to the hetero ring by nonionic bonding : Polycyclo ring system having the hetero ring as one of the cyclos : The chalcogen, X, is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens)
Patent 5231192: Process for the preparation of alpha-alkyl lactones
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : Lactones (i.e., -C(=X)O-, wherein X is chalcogen, is part of the hetero ring) : The lactone ring is six-membered : Preparing from a cyclic ketone (i.e., a ketone where the carbonyl is part of a ring))
Patent 5231193: Process for producing ellagic acid
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : Lactones (i.e., -C(=X)O-, wherein X is chalcogen, is part of the hetero ring) : The lactone ring is five-membered : Polycyclo ring system having the lactone ring as one of the cyclos : Tricyclo ring system having the lactone ring as one of the cyclos : The bicyclo lactone consists of two six-membered rings and is unsubstituted or hydrocarbyl substituted only)
Patent 5231194: Process for producing coumarin derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : Lactones (i.e., -C(=X)O-, wherein X is chalcogen, is part of the hetero ring) : The lactone ring is six-membered : Polycyclo ring system having the lactone ring as one of the cyclos : Bicyclo ring system having the lactone ring as one of the cyclos : The bicyclo lactone consists of two six-membered rings and is unsubstituted or hydrocarbyl substituted only : Benzene ring and the lactone ring bonded directly to the same acyclic carbon)
Patent 5231195: Ethylenically unsaturated phenolphthaleinic monomers
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : Lactones (i.e., -C(=X)O-, wherein X is chalcogen, is part of the hetero ring) : The lactone ring is five-membered : Polycyclo ring system having the lactone ring as one of the cyclos : Bicyclo ring system having the lactone ring as one of the cyclos : The other cyclo of the bicyclo ring system is benzene (e.g., phthalides, etc.) : Two carbocyclic rings bonded directly to the same ring atom of the lactone ring : By chemical reaction of impurity in presence of added chemical substance)
Patent 5231196: Calixarene derivatives and process for the preparation thereof
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring has at least seven members : Polycyclo ring system having the hetero ring as one of the cyclos : Three or more ring oxygens in the hetero ring)
Patent 5231197: Method for producing ethylenically unsaturated graftable orthoesters
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring is six-membered : Plural ring oxygens in the hetero ring (e.g., 1,2-dioxin, etc.) : The ring oxygens are in the 1,3-positions of the hetero ring (e.g., 1,3 dioxane, etc.) : Chalcogen or -C(=X), wherein X is chalcogen, bonded directly to the hetero ring : Nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding)
Patent 5231198: Asymmetric synthesis of hexahydrodibenzofurans by stereospecific inversion of ortho substituted 2-phenylcyclohexanols
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring is five-membered : Polycyclo ring system having the hetero ring as one of the cyclos : Tricyclo ring system having the hetero ring as one of the cyclos : Dibenzofurans (including hydrogenated) : Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the tricyclo ring system by nonionic bonding : The chalcogen, X, is in a -C(=X)- group)
Patent 5231199: Process for the synthesis of polyol fatty acid polyesters
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Fatty compounds having an acid moiety which contains the carbonyl of a carboxylic acid, salt, ester, or amide group bonded directly to one end of an acyclic chain of at least seven (7) uninterrupted carbons, wherein any additional carbonyl in the acid moiety is (1) part of an aldehyde or ketone group, (2) bonded directly to a noncarbon atom which is between the additional carbonyl and the chain, or (3) attached indirectly to the chain via ionic bonding : Esterification of fatty material to reduce the amount of free fatty acid or to facilitate separation of constituents : Reactant contains -C(=O)O- group (e.g., carboxylic acid, salt, anhydride, etc.))
Patent 5231200: Method for refining and fractionation of palm oil and apparatus therefor
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Fatty compounds having an acid moiety which contains the carbonyl of a carboxylic acid, salt, ester, or amide group bonded directly to one end of an acyclic chain of at least seven (7) uninterrupted carbons, wherein any additional carbonyl in the acid moiety is (1) part of an aldehyde or ketone group, (2) bonded directly to a noncarbon atom which is between the additional carbonyl and the chain, or (3) attached indirectly to the chain via ionic bonding : Purification, recovery, deodorizing, decolorizing or color stabilizing : Sorbent material utilized (e.g., activated carbon, decolorizing clay, bentonite, synthetic resin, etc.) : The treating agent is inorganic)
Patent 5231201: Modified caustic refining of glyceride oils for removal of soaps and phospholipids
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Fatty compounds having an acid moiety which contains the carbonyl of a carboxylic acid, salt, ester, or amide group bonded directly to one end of an acyclic chain of at least seven (7) uninterrupted carbons, wherein any additional carbonyl in the acid moiety is (1) part of an aldehyde or ketone group, (2) bonded directly to a noncarbon atom which is between the additional carbonyl and the chain, or (3) attached indirectly to the chain via ionic bonding : Purification, recovery, deodorizing, decolorizing or color stabilizing : Sorbent material utilized (e.g., activated carbon, decolorizing clay, bentonite, synthetic resin, etc.) : The treating agent is inorganic)
Patent 5231202: Optically active tertiary phosphine compound and transition metal complex using the same as ligand
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) : Phosphorus containing : Carbon bonded directly to the phosphorus : Plural carbons bonded directly to the phosphorus : Exactly three carbons bonded directly to the phosphorus (e.g., triphenylphosphines, etc.) :)
Patent 5231203: Enantioselective lewis acid catalysts of the early transition metals
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) : Titanium, zirconium, or hafnium containing (Ti, Zr, or Hf) : Plural chalcogens bonded directly to the metal (e.g., alkyl titanates, titanic esters, etc.) : Nitrogen or halogen containing : Chalcogen or -C(=X)-, wherein X is chalcogen, bonded directly to the unsaturated 5-membered carbocyclic ring)
Patent 5231204: Method for preventing coloration of organosilicon compound
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : With preservative or stabilizer : Reactants include unsaturated hydrocarbon and compound having carbon bonded directly to aluminum)
Patent 5231205: Preparation and use of (2-butene-1,4-diyl)magnesium complexes in organic synthesis
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Ring consisting of carbon and silicon : Chalcogen bonded directly to silicon)
Patent 5231206: Cyclic organosiloxanes having nonlinear optical properties
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Nitrogen attached indirectly to silicon by nonionic bonding : Plural silicons bonded directly to the nitrogen)
Patent 5231207: Organosilicon compound
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Nitrogen attached indirectly to silicon by nonionic bonding : Plural nitrogens bonded directly to the same carbon or attached by a chain consisting of carbons, which carbons may be part of a ring : Nitrogen is bonded directly to the -C(=X)- group)
Patent 5231208: Substituted cyclic ketones, substituted cyclic enones, and process for producing the same
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Carbonyl attached directly or indirectly to silicon by nonionic bonding : Two silicons bonded directly to the same acyclic saturated hydrocarbon)
Patent 5231209: Method of inhibiting lung tumors, arylalkyl isothiocyanates, and method of synthesizing same
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Isothiocyanate esters (i.e., compounds containing the isothiocyanate group, -N=C=S, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Oxygen attached indirectly to the thiocyano group by acyclic nonionic bonding)
Patent 5231210: Method for making aromatic carbonates
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbonate esters (i.e, compounds having the -O-C(=O)O- group bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Benzene ring bonded directly to the -O-C(=O)O- group : Two benzene rings bonded directly to the -O-C(=O)O- group (i.e., diaryl carbonates) : Nitrogen attached directly or indirectly to the benzene ring by nonionic bonding)
Patent 5231211: Method for preparing di(organo) esters of pyrocarbonic acid
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbonate esters (i.e, compounds having the -O-C(=O)O- group bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Nitrogen or chalcogen attached indirectly to the -O-C(=O)O- group by acyclic nonionic bonding : Two benzene rings bonded directly to the -O-C(=O)O- group (i.e., diaryl carbonates))
Patent 5231212: Process for the continuous preparation of dialkyl carbonates
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbonate esters (i.e, compounds having the -O-C(=O)O- group bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Two identical or diverse alkyl groups bonded directly to the -O-C(=O)O- group (e.g., dimethyl carbonate, methyl ethyl carbonate, etc.) : Two benzene rings bonded directly to the -O-C(=O)O- group (i.e., diaryl carbonates))
Patent 5231213: Process for the preparation of dialkyl carbonates
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbonate esters (i.e, compounds having the -O-C(=O)O- group bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Two identical or diverse alkyl groups bonded directly to the -O-C(=O)O- group (e.g., dimethyl carbonate, methyl ethyl carbonate, etc.) : Two benzene rings bonded directly to the -O-C(=O)O- group (i.e., diaryl carbonates))
Patent 5231214: Process for producing nitriles
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Nitriles (i.e., compounds having cyano bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Processes for forming the cyano group : Ammonia utilized : And molecular oxygen or a molecular oxygen containing gas : The -C(=X)- group is part of a -COO- group)
Patent 5231215: Method of manufacturing substituted monoamides of dicarboxylic-acid monoalkyl esters
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Aromatic acid moiety : Nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) : Plural rings bonded directly to the same cyclic carbon in acid moiety : Sulfur, nitrogen, halogen or additional oxy in alcohol moiety)
Patent 5231216: Trans-2-acylaminocyclohexyloxyacyldipeptides in the form of mixtures of diastereoisomers thereof and in the form of pure diasteredisomers,
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Aromatic acid moiety : Nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) : The nitrogen is not bonded directly to a ring : The nitrogen is in same side chain as ester function : Oxy in acid moiety :)
Patent 5231217: Process for the preparation of amine-terminated compounds
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Aromatic acid moiety : Nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) : The nitrogen is bonded directly to a ring and is in same side chain as ester function : Polycarboxylic acid : Amide in acid moiety)
Patent 5231218: Isomerization of dimethylcyclohexanedicarboxylate
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Alicyclic polycarboxylic acid moiety : Cyclopentyl-COOR, -C-COOR or -C-C-COOR)
Patent 5231219: Process for the preparation of .alpha.-fluoroacrylates
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Unsaturation in acid moiety : Preparing esters from aldehydes : Group VIII noble metal catalyst utilized)
Patent 5231220: Derivatives of norbornylane and of dimethanodecahydronaphthylane which can be used for obtaining new polymers
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Unsaturation in acid moiety : Cyclic alcohol moiety : By dehydrogenation)
Patent 5231221: Process for the preparation of acylals
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Unsubstituted acids of the acetic series : Acyclic polyoxy alcohol moiety : Substituted)
Patent 5231222: Esterification process
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Unsubstituted acids of the acetic series : Acyclic monohydric alcohol moiety : Substituted)
Patent 5231223: Process for the arylation of olefins
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Sulfonic acids or salts thereof (i.e., compounds containing the sulfonate group, -S(=O)(=O)-O- wherein the single bonded oxygen is bonded directly to hydrogen, or to a group IA or IIA light metal or to substituted or unsubstituted ammonium) : Benzene ring bonded directly to the sulfonate sulfur (e.g., purification and neutralization of benzene sulfonic acids, etc.) : Acyclic carbon to carbon unsaturation containing : Nitrogen double bonded to carbon in the cation (e.g., guanidinium salts, etc.))
Patent 5231224: Alkyl ether carboxylic acid taurides
(CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS THEREFOR, OR PROCESSES OF PREPARING THE COMPOSITIONS : CLEANING COMPOSITIONS OR PROCESSES OF PREPARING (E.G., SODIUM BISULFATE COMPONENT, ETC.) : Specific organic component (e.g., triazines, etc.) : Sulfur in the component : Sulfoxy (e.g., dimethyl sulfoxide, sulfone, etc.) : Nitrogen attached directly or indirectly to the sulfoxy group by nonionic bonding : Sulfonate surfactant with sulfate monoester surfactant)
Patent 5231225: Concurrent production of citric acid and alkali citrates
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Acyclic : Preparation from source of undetermined composition (e.g., industrial waste, etc.) : Plural -COO- groups in compound formed)
Patent 5231226: Catalytic gas-phase oxidation of methacrolein to methacrylic acid
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Acyclic : Formation of carboxyl group by oxidation : Of aldehyde : Producing unsaturated acid : Group VIII metal containing catalyst utilized : Plural nitrogens)
Patent 5231227: Optically active hydroxybenzylamine derivative and process for producing said compound
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Benzene ring containing : Amino nitrogen attached to aryl ring or ring system by an acyclic carbon or chain : The aryl ring or ring system and amino nitrogen are bonded directly to the same acyclic carbon, which carbon additionally has only hydrogen or acyclic hydrocarbyl substituents bonded directly thereto : Benzyl amines having hydroxy or ether oxygen bonded directly to the benzene ring (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) : Ortho hydroxy benzyl amines : The chain contains carbon to carbon unsaturation)
Patent 5231228: Process for the preparation of saturated primary fatty amines by hydrogenation of the corresponding unsaturated primary fatty amines
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Acyclic : Polycyclo ring system)
Patent 5231229: Catalytic process for the production of ethyleneamines
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Acyclic : Preparing directly by amination : Of hydroxy containing compound : Catalyst utilized : Producing monohydroxy alkyl amines)
Patent 5231230: Selective production of diethylenetriamine
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Acyclic : Preparing directly by amination : Of hydroxy containing compound : Catalyst utilized : Group VI or VIII metal containing catalyst utilized : Group VIII noble metal containing catalyst utilized)
Patent 5231231: Process for preparing a poly(1,4-butanediol-.omega.,.omega.'-bismercaptan)
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SULFUR CONTAINING : Thiol or mercaptide containing (i.e., -SH or -SM containing where M is a Group IA or IIA light metal) : Oxygen containing : Symmetrical (e.g., dimethyl sulfide, etc.))
Patent 5231232: Method of preparing C-18 ketones used in the manufacture of Vitamins E and K
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ketones : Acyclic : Processes : Aldehyde or ketone reactant : Halogen containing reactant : The oxy and the aldehyde or ketone are in the same reactant)
Patent 5231233: Process for the hydration of olefins
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Acyclic : Preparing by hydration of an olefin : Metal containing catalyst utilized : Noble metal containing catalyst utilized)
Patent 5231234: Two stage production of ether from tertiary alcohol
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Acyclic : Preparing by reacting an olefin and an organic hydroxy containing compound (H of -OH may be replaced by a Group IA or IIA light metal) : Sulfuric acid utilized)
Patent 5231235: Process for preparing ethers
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Acyclic : Preparing by reacting an olefin and an organic hydroxy containing compound (H of -OH may be replaced by a Group IA or IIA light metal) : Sulfuric acid utilized)
Patent 5231236: Safety lock for firearms
(FIREARMS : SAFETY MECHANISM : Firearm lock : With pivoted hammer)
Patent 5231237: Gun grip assembly
(FIREARMS : STOCKS : For pistols : With pivoted hammer)
Patent 5231238: Integral pick dispenser for stringed instruments
(MUSIC : INSTRUMENTS : Stringed : Details : Article holders : With keyboard)
Patent 5231239: Music reproduction device for restarting a song at selected positions
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Data storage : Digital memory circuit (e.g., RAM, ROM, etc.) : Note sequence : Recursive algorithm)
Patent 5231240: Digital tone mixer
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Digital combinational circuit : Tone synthesis or timbre control : Mixing : Rhythm)
Patent 5231241: Elastomeric launcher
(ORDNANCE : ROCKET LAUNCHING : Underwater launching : Rocket launched from container :)
Patent 5231242: Plasma injection and distribution systems
(ORDNANCE : ACCELERATING : Explosive charge)
Patent 5231243: Control and safety device for an externally powered automatic weapon
(ORDNANCE : MACHINE GUNS : Explosive charge)
Patent 5231244: Open breech weapon
(ORDNANCE : CARTRIDGE FEEDING : Movable chamber : Training and firing)
Patent 5231245: Explosives
(AMMUNITION AND EXPLOSIVES : BLASTING : Mat or deflector :)
Patent 5231246: Apparatus for securing shielding or the like
(ELECTRICITY: CONDUCTORS AND INSULATORS : ANTI-INDUCTIVE STRUCTURES : Shielded or screened : Conduit or cable structure)
Patent 5231247: Compartment module and distribution system assembled therewith
(ELECTRICITY: CONDUCTORS AND INSULATORS : BOXES AND HOUSINGS : Plural outlet and/or conduit)
Patent 5231248: Sterilizable cable assemblies
(ELECTRICITY: CONDUCTORS AND INSULATORS : CONDUITS, CABLES OR CONDUCTORS : Combined : With end structure : Plastic filled : Coaxial)
Patent 5231249: Insulated power cable
(ELECTRICITY: CONDUCTORS AND INSULATORS : CONDUITS, CABLES OR CONDUCTORS : Conductive armor or sheath : Plural, insulated : Semiconducting : Separable)
Patent 5231250: Weatherproof electrode splice cap for neon sign systems
(ELECTRICITY: CONDUCTORS AND INSULATORS : INSULATORS : Special application : Terminal covers : Bus bars)
Patent 5231251: Apparatus and method for the acquisition of seismic data
(ACOUSTICS : GEOPHYSICAL OR SUBSURFACE EXPLORATION : Seismic source and detector : Plural detectors :)
Patent 5231252: Sensor platform for use in seismic reflection surveys
(ACOUSTICS : GEOPHYSICAL OR SUBSURFACE EXPLORATION : Seismic wave detection : Moving weight)
Patent 5231253: Side impact sensors
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : SPECIAL APPLICATION : Change of inclination or of rate of motion responsive (e.g., inertia and tilt switches) : Vehicle attached or carried)
Patent 5231254: Automobile transmission mode sensing apparatus
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : SPECIAL APPLICATION : Actuated concurrently with operation or use of art device : Transmission controlled : Engine governed over-riding means)
Patent 5231255: Electric float switch comprising an electric connection cable
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : FLOAT : Hand operated)
Patent 5231256: Puffer type gas-insulated circuit breaker
(HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES : ARC PREVENTING OR EXTINGUISHING DEVICES : Air-current blowout : Puffer piston : With nozzle : Compressing cylinder structure)
Patent 5231257: Electrical discharge machining control unit
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : Cutting or disintegrating (e.g., machining engraving) : Electric spark machining : Circuits : Portable)
Patent 5231258: Double chamber sliding backpurge device for gas shielded arc welding
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : Nonatmospheric environment at hot spot (e.g., resistance weld under oil, vacuum) : Gas supply (e.g., by ingredient of electrode, by external source) : With granular flux supply)
Patent 5231259: Radiation manufacturing apparatus
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using electron beam : With cooling)
Patent 5231260: Apparatus for manufacturing metal tube covered optical fiber cable and method therefor
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Welding : Condition responsive)
Patent 5231261: Equipment and unit for welding by laser, fuel rods or the like
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Welding : Condition responsive)
Patent 5231262: Optical cutting method and optical cutter
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Cutting : Methods)
Patent 5231263: Liquid crystal mask type laser marking system
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Cutting : Etching or trimming : With chamber)
Patent 5231264: Laser machining apparatus
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Beam position control : With sing source)
Patent 5231265: Method and apparatus for the transfer of electrical power to a balancer
(ELECTRIC HEATING : HEATING DEVICES : With power supply and voltage or current regulation or current control means : Automatic regulating or control means : Thermally responsive : Electromechanical)
Patent 5231266: Towelette warmer
(ELECTRIC HEATING : HEATING DEVICES : With heater-unit housing, casing, or support means (e.g., frame and single sheet) : Including or comprising holding or support means for material to be heated : Including electromagnetic relay means)
Patent 5231267: Method for producing heat-recoverable articles and apparatus for expanding/shrinking articles
(ELECTRIC HEATING : INDUCTIVE HEATING : With heat exchange : Susceptor : By tube (i.e., pipe))
Patent 5231268: Printed microwave susceptor
(ELECTRIC HEATING : MICROWAVE HEATING : Cookware (e.g., vessel, utensil, etc.) : With heat exchange (e.g., susceptor, etc.) : Shielding)
Patent 5231269: Electromagnetic wave energy conversion heat-generating material, heating container for microwave oven, and microwave oven
(ELECTRIC HEATING : MICROWAVE HEATING : Cookware (e.g., vessel, utensil, etc.) : With heat exchange (e.g., susceptor, etc.) : Shielding)
Patent 5231270: Wire electrode
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : Cutting or disintegrating (e.g., machining engraving) : Electric spark machining : Wire cutting : Portable)
Patent 5231271: Management method of printed circuit boards in assembling process and management system therefor
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Vote counters)
Patent 5231272: Storage system with adjacent lockers controlled by a microprocessor device
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Credit or identification card systems : Permitting access : Lost-motion mechanism)
Patent 5231273: Inventory management system
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Inventory : Permitting access)
Patent 5231274: Card reader
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Electrical contact : With tabular chart, scale, or graph)
Patent 5231275: Bar code reader
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Magnetic : Raised or depressed portions on record)
Patent 5231276: System for preventing a false use of a card type recording medium and a method thereof
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Strengthen or diminish field or flux)
Patent 5231277: Optical scanner using plannar reflecting holograms
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specific scanning detail (e.g., scanner with a specific scanning field of view) : Moving a spot of light (e.g., flying spot scanner) : Using a moving mirror : Rotating : Polygon : Pattern mirror detail for rotating mirror :)
Patent 5231278: Bar code wand reader adapter
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specified housing or mounting detail : Hand-held (e.g., portable) : Wand-type reader (e.g., manual scan) : Rotating)
Patent 5231279: Automatic focusing mechanism for an operation microscope having an origin returning mechanism
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Automatic focus control : Using diffractometers)
Patent 5231280: Focusing error detection apparatus using a first and second knife edge at different positions
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Automatic focus control : Active autofocus : With optical storage medium; e.g., optical disc, etc. : With detector support)
Patent 5231281: Super-CCD with default distribution and its fabrication
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive image detecting element arrays : With comparison)
Patent 5231282: Optical writing type liquid crystal light valve and writing apparatus therefor
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Optical excitation : With photoconductive layer (e.g., spatial light modulator(SLMs)) : With silicon photoconductive layer :)
Patent 5231283: Opto-electronic sensing method and device for an acoustic piano
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light valve (e.g., iris diaphragm) : Inanimate article)
Patent 5231284: Method and apparatus using laser light for detecting the rotational position of a servomotor and the like
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light valve (e.g., iris diaphragm) : Actuated by dynamic external physical quantity : Shaft angle transducers : Bottles)
Patent 5231285: Refraction index change measurement
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light valve (e.g., iris diaphragm) : Actuated by dynamic external physical quantity : Article and light ray relatively moved during sensing)
Patent 5231286: Scanning probe microscope utilizing an optical element in a waveguide for dividing the center part of the laser beam perpendicular to the
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Means for moving optical system : Light chopper type)
Patent 5231287: Method and apparatus for obtaining two-dimensional energy image, using charged-particle beam
(RADIANT ENERGY : ELECTRON ENERGY ANALYSIS : Radioactive tracer methods)
Patent 5231288: Audible radiation monitor
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Including means for scanning field of view)
Patent 5231289: Thermal photodetector and method of manufacturing the same
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With conveyance)
Patent 5231290: Neutron coincidence detectors employing heterogeneous materials
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Neutron responsive means : Including a scintillator : Using diffractometers)
Patent 5231291: Wafer table and exposure apparatus with the same
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Analyte supports : With heat transfer or temperature-indication means : With detector)
Patent 5231292: Device for photogrammetrically surveying an object in which a reference pattern is arranged outside sensor imaging beam paths
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : Measuring position : Determining range from detector : With translucent material)
Patent 5231293: Bar code reading instrument which prompts operator to scan bar codes properly
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specified housing or mounting detail : Hand-held (e.g., portable) : Using a moving mirror)
Patent 5231294: Manganese-aluminum and manganese-silicon magnetic films, and magnetic recording medium
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) : Non-heterojunction superlattice (e.g., doping superlattice or alternating metal and insulator layers) : Ballistic transport device)
Patent 5231295: Superconducting field effect transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) : Tunneling through region of reduced conductivity : At least one electrode layer of semiconductor material : Three or more electrode device : High temperature (i.e., >30o Kelvin))
Patent 5231296: Thin film transistor structure with insulating mask
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : NON-SINGLE CRYSTAL, OR RECRYSTALLIZED, SEMICONDUCTOR MATERIAL FORMS PART OF ACTIVE JUNCTION (INCLUDING FIELD-INDUCED ACTIVE JUNCTION) : Amorphous semiconductor material : Field effect device in amorphous semiconductor material : With impurity other than hydrogen to passivate dangling bonds (e.g., halide))
Patent 5231297: Thin film transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : SPECIFIED WIDE BAND GAP (1.5EV) SEMICONDUCTOR MATERIAL OTHER THAN GAASP OR GAALAS : Diamond or silicon carbide : In array having structure for use as imager or display, or with transparent electrode)
Patent 5231298: GaAs device having a strain-free c-doped layer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Having graded composition : Having narrow energy band gap (<<1eV) layer (e.g., PbSnTe, HgCdTe, etc.))
Patent 5231299: Structure and fabrication method for EEPROM memory cell with selective channel implants
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : With floating gate electrode : With additional contacted control electrode : With capacitor electrodes connection portion located centrally thereof (e.g., fin electrodes with central post))
Patent 5231300: Semiconductor integrated circuit having a digital circuit
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : Complementary insulated gate field effect transistors : Combined with bipolar transistor : For operation as bipolar or punchthrough element)
Patent 5231301: Semiconductor sensor with piezoresistors and improved electrostatic structures
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Physical deformation : Strain sensors : With means to concentrate stress : With thinned central active portion of semiconductor surrounded by thick insensitive portion (e.g. diaphragm type strain gauge) : Combined with heavily doped channel stop portion)
Patent 5231302: Semiconductor device including an oblique surface and an electrode crossing the oblique surface
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : PHYSICAL CONFIGURATION OF SEMICONDUCTOR (E.G., MESA, BEVEL, GROOVE, ETC.) : Mesa structure (e.g., including undercut or stepped mesa configuration or having constant slope taper) : With low resistance ohmic connection means along exposed mesa edge (e.g., contact or heavily doped region along exposed mesa to reduce "skin effect" losses in microwave diode) : With current ballasting means (e.g., emitter ballasting resistors or base current ballasting means))
Patent 5231303: Semiconductor device with incorporated stress reducing means
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : With stress relief : Details of insulating layer electrical charge (e.g., negative insulator layer charge))
Patent 5231304: Framed chip hybrid stacked layer assembly
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With semiconductor element forming part (e.g., base, of housing) : For erasing EPROM)
Patent 5231305: Ceramic bonding bridge
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Insulating material : Multiple contact layers separated from each other by insulator means and forming part of a package or housing (e.g., plural ceramic layer package))
Patent 5231306: Titanium/aluminum/nitrogen material for semiconductor devices
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Layered : At least one layer forms a diffusion barrier : Pin grid type)
Patent 5231307: Starter for starting internal combustion engine
(PRIME-MOVER DYNAMO PLANTS : ELECTRIC-STARTING MOTOR : Fluid-current motors)
Patent 5231308: Control device for controlling functions in a motor vehicle
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Series-connected)
Patent 5231309: Current leakage breaking circuit for a copying apparatus
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Condition responsive : Electrical : Speed, centrifugal or kinetic force)
Patent 5231310: Electrical and electronic appliance lock
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Switch actuation : With locking, holding or braking means : Series connected switches)
Patent 5231311: Digital output buffer and method with slew rate control and reduced crowbar current
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Output switching noise reduction : With field effect-transistor : Depletion or enhancement)
Patent 5231312: Integrated logic circuit with functionally flexible input/output macrocells
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Significant integrated structure, layout, or layout interconnections : Field effect transistor)
Patent 5231313: Delay circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Clock or pulse waveform generating : Single clock output with single clock input or data input : Clock bus)
Patent 5231314: Programmable timing circuit for integrated circuit device with test access port
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Using multiple clocks : With delay means : Phase lock loop)
Patent 5231315: Temperature compensated CMOS voltage to current converter
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Converting input voltage to output current or vice versa : With logic or bistable circuit)
Patent 5231316: Temperature compensated CMOS voltage to current converter
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Converting input voltage to output current or vice versa : With logic or bistable circuit)
Patent 5231317: Circuit arrangement for steepening signal slopes
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By shape : Comparison between plural inputs (e.g., phase angle indication, lead-lag discriminator, etc.))
Patent 5231318: Differential latch sense amplifier
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : With sensing amplifier : Differential amplifier : With transformer)
Patent 5231319: Voltage variable delay circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Single output with variable or selectable delay : Including delay line or charge transfer device : Electron tube)
Patent 5231320: CMOS delay line having duty cycle control
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Single output with variable or selectable delay : Including delay line or charge transfer device : Electron tube)
Patent 5231321: Noise preventing arrangement of a motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Vibration or noise suppression : Step-by-step)
Patent 5231322: Cartridge brush with integral filter inductor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Vibration or noise suppression : Step-by-step)
Patent 5231323: Vibration isolated backup bearing for magnetic bearing
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Magnetic bearing : Impulse coupling)
Patent 5231324: Three-phase armature winding
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Armature or primary : Plural windings : Differentially related)
Patent 5231325: Vibration device for a vibration driven motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with resonant structure : Direct mechanical coupling : Motor producing continual motion : Langevin or pencil type motor : Specific material or composition)
Patent 5231326: Piezoelectric electronic switch
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : Voltage, spark or current generator : Underwater type)
Patent 5231327: Optimized piezoelectric resonator-based networks
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Electrode arrangement : More than two : More than one poling direction (e.g., Rosen transformer))
Patent 5231328: Phosphor and ultraviolet ray excited fluorescent tube employing it
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : Including particular phosphor : Plural : Brillouin beam type)
Patent 5231329: Organic thin film electroluminescent device
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Solid-state type : With particular phosphor or electrode material : Light conversion)
Patent 5231330: Digital helix for a traveling-wave tube and process for fabrication
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Combined cathode ray tube and circuit element structure : Traveling wave tube with delay-type transmission line :)
Patent 5231331: Automatic vehicle headlight/taillight control
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : SPECIAL APPLICATION : Vehicle : Head light systems : Steering mechanism controlled)
Patent 5231332: AC electric field emission suppression in CRT image displays
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH ELECTROMAGNETIC WAVE RADIATION PREVENTING OR SHIELDING MEANS : With plural cathode or anode tube)
Patent 5231333: Switching excitation supply for gas discharge tubes having means for eliminating the bubble effect
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Periodic switch in the primary circuit of the supply transformer : Periodic switch selectively connectable to plural load device circuits)
Patent 5231334: Plasma source and method of manufacturing
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Plasma generating : Automatic cut-out or voltage regulator in the cathode or heater circuit)
Patent 5231335: Double spindle synchronous driving apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : PLURAL, DIVERSE OR DIVERSELY CONTROLLED ELECTRIC MOTORS : Synchronizing or phasing control : Field or secondary circuit control)
Patent 5231336: Actuator for active vibration control
(ELECTRICITY: MOTIVE POWER SYSTEMS : RECIPROCATING OR OSCILLATING MOTOR : Energizing winding circuit control : Automatic in response to predetermined position, movement or condition in or of the motor or driven device : Noise, sound, vibration, movement or position of motor : Different voltages)
Patent 5231337: Vibratory acoustic compressor
(ELECTRICITY: MOTIVE POWER SYSTEMS : RECIPROCATING OR OSCILLATING MOTOR : Energizing winding circuit control : Automatic in response to predetermined position, movement or condition in or of the motor or driven device : Noise, sound, vibration, movement or position of motor : Different voltages)
Patent 5231338: Controlling a multiphase brushless motor without position sensors for the rotor, using a system of digital filtering
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)
Patent 5231339: Control device for induction motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Frequency control : Responsive to motor voltage)
Patent 5231340: Servomotor control method
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Maneuver, force, or load-limiting)
Patent 5231341: Limiter circuit of servo motor control apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : "Reset" systems (P.I.) : With rate (P. I. D.) (e.g., reset windup prevention) : Synchro or resolver (e.g., transmitter simulators))
Patent 5231342: Stepping motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : OPEN-LOOP STEPPING MOTOR CONTROL SYSTEMS : Having commutating switch-type transmitter)
Patent 5231343: Driving apparatus for stepping motor capable of restraining motor noise
(ELECTRICITY: MOTIVE POWER SYSTEMS : OPEN-LOOP STEPPING MOTOR CONTROL SYSTEMS : Having commutating switch-type transmitter)
Patent 5231344: Control apparatus for electric generator
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : COMBINED CONTROL OF GENERATOR AND DRIVING MEANS : Electric motor as driving means)
Patent 5231345: Semiconductor integrated circuit device having a test circuit
(ELECTRICITY: MEASURING AND TESTING : PLURAL, AUTOMATICALLY SEQUENTIAL TESTS : Voltage probe)
Patent 5231346: Field strength measuring instrument for the simultaneous detection of E and H fields
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : With waveguide or long line : Conductive field (e.g., mercury))
Patent 5231347: Power factor matching in an AC power meter
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Plural inputs (e.g., summation, ratio) : Watts : Digital voltmeters)
Patent 5231348: Method and apparatus for testing dynamoelectric machine rotors
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Motor or generator fault tests : With barrier layer)
Patent 5231349: Millimeter-wave active probe system
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Using electro-optic device)
Patent 5231350: Method and apparatus for potential measurement on conductive tracks of a program-controlled integrated circuit
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : System sensing fields adjacent device under test (DUT) : Using time measuring)
Patent 5231351: Magnetoresistive speed sensor processing circuit utilizing a symmetrical hysteresis signal
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including speed-related frequency generator : With direction indicator)
Patent 5231352: Power actuator including magnetic position detector
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Linear : Magnetoresistive)
Patent 5231353: Apparatus for detecting a fine magnetic field with a signal adjusting circuit in a DC squid
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetometers : Superconductive magnetometers : Plural sensors)
Patent 5231354: Magnetic resonance imaging
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using an electron resonance spectrometer system : With sample resonant frequency and temperature interdependence)
Patent 5231355: Locator transmitter having an automatically tuned antenna
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : For small object detection or location : To determine fluid entry)
Patent 5231356: Flexible battery tester with a variable length resistive heater
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a battery testing device : Having particular meter scale or indicator : Including an integrating device)
Patent 5231357: Apparatus for testing a wire harness and method of use
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Multiconductor cable : With barrier layer)
Patent 5231358: Capacitive fuel composition sensor with slow oscillator and high speed switch
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : Where a material or object forms part of the dielectric being measured : By comparison or difference circuit : With compensation means)
Patent 5231359: Ceramic resonance type electrostatic sensor apparatus
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : Where a material or object forms part of the dielectric being measured : By frequency signal response, change or processing circuit : Including a tuned or resonant circuit : For temperature variations)
Patent 5231360: Multi-range voltage amplifier having multiplying digital/analog converters and programmable filter using multiplying DAC in feedback
(AMPLIFIERS : SIGNAL FEEDBACK : Variable impedance in feedback path varied by separate control path : Including D.C. path for signal feedback)
Patent 5231361: Voltage controlled push-push oscillator with parallel resonant tank circuits
(OSCILLATORS : PLURAL OSCILLATORS : Parallel connected : Diverse-type oscillators)
Patent 5231362: Circuit device for phasing an oscillator
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Relaxation oscillator : Multivibrator type :)
Patent 5231363: Pulse width modulating producing signals centered in each cycle interval
(MODULATORS : PULSE OR INTERRUPTED CONTINUOUS WAVE MODULATOR : Pulse width modulator :)
Patent 5231364: Phaseshift network for an IQ modulator
(MODULATORS : PHASE SHIFT KEYING MODULATOR OR QUADRATURE AMPLITUDE MODULATOR : Including discrete semiconductor device :)
Patent 5231365: Circuit breaker
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : With adjustable, replaceable or interchangeable structural features : By reciprocating armature)
Patent 5231366: Superconducting magnetic field generating apparatus and method of producing the same
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Superconductive type : With coil structure)
Patent 5231367: Thermal response switch and a surge absorbing circuit using the same
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Space discharge device (gaps, lightning arrester, etc.) : With significant contact structure or composition)
Patent 5231368: Temperature operated switch construction, terminal block therefor and methods of making the same
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : THERMALLY ACTUATED SWITCHES : Expansible or vaporizable fluid actuated : Contact structure or composition of material : With pressure relief (e.g., venting))
Patent 5231369: Resistive current limiter and process for producing it
(SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS : HIGH TEMPERATURE (TC GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING : High frequency waveguides, resonators, electrical networks, or other devices of the waveguide type (e.g., phase shifters, cavity filters, etc.) : Superconducting transistor (e.g., Josephson transistor, etc.))
Patent 5231370: Zinc oxide varistors and/or resistors
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Current and/or voltage (e.g., ballast resistor) : Voltage surge-responsive or lightning arrester type :)
Patent 5231371: Overcurrent protection circuit
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Current and/or voltage (e.g., ballast resistor) : Thermistor type :)
Patent 5231372: Method of manufacturing high-voltage and/or high-power thick-film screen-printed cylindrical resistors having small sizes, low voltage
(ELECTRICAL RESISTORS : ZIGZAG OR SINUOUS RESISTANCE ELEMENT : Cylindrical : Element includes conductive jumpers or spacers)
Patent 5231373: Multi-level illumination control system for automotive signalling use
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External signal light system : With two or more intensity levels (e.g., day or night) : With particular display means)
Patent 5231374: Apparatus and method for acquiring electrical signals from rotating members
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Radio)
Patent 5231375: Apparatus and method for detecting theft of electronic equipment
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Signal-carrying conduit between sensor and article (e.g., cable, power cord, or data link) : Electromagnetic energy)
Patent 5231376: Tool transport container apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Alarm on protected article : Specified connector (e.g., phone jack-type plug))
Patent 5231377: Electronic close damper alert unit
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Thermal : Photoelectric)
Patent 5231378: Particle detection which senses scattered light
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Particle suspension in fluid : Smoke : Photoelectric : Pivoted arm)
Patent 5231379: Automobile head-up display system with apparatus for positioning source information
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Plural image superposition : Number of pixels per row or column conversion (i.e., resolution conversion))
Patent 5231380: Input keyboard touch-sensitive adjunct
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Animation)
Patent 5231381: Data processing system with a touch screen and a digitizing tablet, both integrated in an input device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Including impedance detection : Optical detector)
Patent 5231382: Plasma display apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Fluid light emitter (e.g., gas, liquid, or plasma) : Having endless belt or tape reader)
Patent 5231383: Videographics display system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Graphic display memory controller : Using different access modes : Optical detector)
Patent 5231384: Apparatus for splitting video signal between two channels
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Format type : Associated signal processing)
Patent 5231385: Blending/comparing digital images from different display window on a per-pixel basis
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Transparency (mixing color values) :)
Patent 5231386: Keyswitch-integrated pointing assembly
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Including impedance detection : Optical detector)
Patent 5231387: Apparatus and method for addressing microtip fluorescent screen
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Electroluminescent : Field emissive (e.g., FED, Spindt, microtip, etc.))
Patent 5231388: Color display system using spatial light modulators
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Color)
Patent 5231389: Display control for selecting oscillating signals
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Display power source : Synchronizing means : Changing of subpixel location over time)
Patent 5231390: Selective call receiver with decoder controlled filters
(TELECOMMUNICATIONS : RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER : Signal selection based on frequency (e.g., tuning) : Channel or station selection : With frequency control : UHF and VHF)
Patent 5231391: Passive pick-up device for monitoring the state of the tire of a vehicle wheel and measuring the rotation characteristics of the wheel
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Tire deflation or inflation : With particular telemetric coupling : Inductive : Specifying particular start/destination)
Patent 5231392: Portable vehicle parking assistance device
(COMMUNICATIONS: ELECTRICAL : VEHICLE PARKING INDICATORS : Pivoted)
Patent 5231393: Mobile speed awareness device
(COMMUNICATIONS: ELECTRICAL : VEHICLE DETECTORS : Speed and overspeed : Electromechanical movable auxiliary indicator)
Patent 5231394: Signal reproducing method
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)
Patent 5231395: Sigma-delta digital-to-analog converter with reduced distortion
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation) : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5231396: R-2R digital-to-analog converter having transistors of equal emitter size
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Using ladder network : With rollover feature (i.e., antidoublestrike))
Patent 5231397: Extreme waveform coding
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using ladder network)
Patent 5231398: Method and apparatus for self-tracking multiple analog to digital conversion
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Coarse and fine conversions : With rollover feature (i.e., antidoublestrike))
Patent 5231399: Differential quantizer reference resistor ladder for use with an analog-to-digital converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Parallel type :)
Patent 5231400: Covert electronic battlefield identification system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : IFF or SIF : With defruiting or degarbling)
Patent 5231401: Imaging lidar system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : COMBINED WITH DIVERSE TYPE RADIANT ENERGY SYSTEM : With television : Distance measuring equipment (DME))
Patent 5231402: Method for detecting and classifying helicopters
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Spectrum analysis : Mapping)
Patent 5231403: Moving target indicator using higher order statistics
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Spectrum analysis : Mapping)
Patent 5231404: Dual-polarized cross-correlating radiometer and method and apparatus for calibrating same
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a radiometer : With pulse shaping)
Patent 5231405: Time-multiplexed phased-array antenna beam switching system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a delay line (e.g., serpentine transmission line, frequency scanning) : Controlled)
Patent 5231406: Broadband circular polarization satellite antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5231407: Duplexing antenna for portable radio transceiver
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5231408: Glass antenna amplifier
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With ice clearer or preventer :)
Patent 5231409: Microwave antenna capable of operating at high temperature, in particular for a space-going aircraft
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With aircraft :)
Patent 5231410: Window glass antenna for a motor vehicle
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body :)
Patent 5231411: One piece millimeter wave phase shifter/antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Plural : With wave guide coupling :)
Patent 5231412: Sleeved monopole antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Active sleeve surrounds feed line : Loop type)
Patent 5231413: Airborne IFF antenna with switchable multiple patterns
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna with parasitic director : Stub type)
Patent 5231414: Center-fed leaky wave antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Spiral or helical type : Antenna on bracket)
Patent 5231415: Booth's multiplying circuit
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiplication : Binary : Repeated addition : Multiple digit : Array adders :)
Patent 5231416: Container for ink jet head and recovering method of ink jet head using container
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Responsive to condition : Full-line array)
Patent 5231417: Ink jet recording process, device, apparatus and cartridge employing ink
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid (e.g., fluid specifics) : Ink : With carrier)
Patent 5231418: Image recording method and apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Preheating : Transfer material or recording medium : Having single layer colored transfer material)
Patent 5231419: Apparatus for driving a platen roll and a thermal print head of a color video printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Platen or engaging means therefor : Including tensioning means)
Patent 5231420: Thermal print head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Specific resistance recording element type : Adjustable)
Patent 5231421: Thermal transfer recording apparatus with delayed driving
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Preheating : Recording means : Having single layer colored transfer material)
Patent 5231422: Recording head having two substrates superposed such that electrode supporting surface of one of the substrates faces
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Specific resistance recording element type : Head substrate : Using pulse width modulation)
Patent 5231423: Ink jet recording apparatus with heat exchange means
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of temperature or pressure of device or component thereof : With particular cooling means : Full-line array)
Patent 5231424: Ink jet recording apparatus with efficient circulation recovery
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Nozzle cap, cover, or protection : Full-line array)
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