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Patent 5138055: Urethane-functional s-triazine crosslinking agents
(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.) : Triazines : Substituent nitrogen bonded directly to carbon of the triazine ring : Three substituent nitrogens bonded directly to the three carbons of the triazine ring : Four or more ring hetero atoms in the polycyclo ring system)
Patent 5138056: Polycyanopyrimidines and process for their preparation
(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 : Halogen attached directly to the 1,2-diazine ring by nonionic bonding)
Patent 5138057: Chemical process for the preparation of purine derivatives
(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 : Polycyclo ring system having the diazine ring as one of the cyclos : Bicyclo ring system having the diazine ring as one of the cyclos : Four ring hetero atoms in the bicyclo ring system : Four ring nitrogens in the bicyclo ring system : The other cyclo in the bicyclo ring system is five-membered : Purines (including hydrogenated) : Nitrogen attached directly or indirectly to the purine ring system by nonionic bonding : Nitrogen attached directly or indirectly to the purine ring system by nonionic bonding)
Patent 5138058: Piperazine substituted pyrimidine derivatives and physiologically tolerated salts thereof
(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 : Plural diazine rings : Bicyclo ring system having the diazine ring as one of the cyclos)
Patent 5138059: DC-89 compounds and process for their preparation
(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 : Tricyclo ring system having the six-membered hetero ring as one of the cyclos : Plural ring hetero atoms in the tricyclo ring system : Plural ring nitrogens in the tricyclo ring system : One of the cyclos is five-membered : At least one of the ring hetero atoms is chalcogen)
Patent 5138060: Process and intermediates for preparing azabicyclo(2.2.2)octan-3-imines
(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 : Quinuclidines (including unsaturated) : Having -C(=X)-, wherein X is chalcogen, bonded directly to the tropane ring system)
Patent 5138061: Thioacylating reagents
(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 one of the cyclos in a polycyclo ring system : Hetero ring in the polycyclo ring system : Plural ring hetero atoms in the polycyclo ring system : Ring nitrogen in the polycyclo ring system : Plural ring nitrogens in the polycyclo ring system : Trialkoxybenzoyl bonded directly to at least one of the chalcogens (e.g., reserpine, etc.))
Patent 5138062: Nicotine analogs
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding : Acyclic nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding)
Patent 5138063: 17.beta.-methoxycarbonyl-4-aza-androsten-1-en-3-ones
(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 : Tetracyclo ring system having the six-membered hetero ring as one of the cyclos : The six-membered hetero ring shares ring members with one other cyclo only : Chalcogen bonded directly to ring carbon of the six-membered hetero ring (e.g., anthrapyridones, etc.))
Patent 5138064: 3-Pyrrolidinylthio-1-azabicyclo-[3.2.0]hept-2-ene-2-carboxylic acid compounds
(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.) : The five-membered hetero ring consists of chalcogen, plural nitrogens, and carbon : 1,2,3-thiadiazoles (including hydrogenated) : The five-membered hetero ring contains at least three ring nitrogens)
Patent 5138065: Polyether glycol derivatives of 2,5-dimercapto-1,3,4-thiadiazole
(SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARANT COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS : LUBRICANTS OR SEPARANTS FOR MOVING SOLID SURFACES AND MISCELLANEOUS MINERAL OIL COMPOSITIONS (E.G., WATER CONTAINING, ETC.) : Heterocyclic ring compound; a heterocyclic ring is one having as ring members only carbon and at least one hetero atom selected from nitrogen and chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) : The hetero ring contains five members including nitrogen and carbon (e.g., polyvinylpyrrolidone, etc.) : Plural hetero atoms in the hetero ring (e.g., pyrazoles, benzimidazoles, etc.) : Chalcogen in the hetero ring (e.g., benzoxazoles, etc.) : The chalcogen is sulfur (e.g., 1,3-thiazole,etc.) : Plural nitrogens or plural sulfurs in the hetero ring (e.g., thiadiazoles, etc.) : Acyclic sulfur bonded directly to the 2- and 5- positions of a 1,3,4- thiadiazole ring or a hydrogenated 1,3,4-thiadiazole ring : Oxygen or nitrogen attached indirectly to one of the acyclic sulfurs by acyclic nonionic bonding :)
Patent 5138066: Intermediates for cephalosporins with sulfur-containing oxyimino side chain
(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) : Nitrogen attached directly to the thiazole ring by nonionic bonding : Chalcogen attached indirectly to the thiazole ring by nonionic bonding : The chalcogen, X, is in a -C(=X)- group : The -C(=X)- group is bonded directly to the thiazole ring)
Patent 5138067: Lipid derivatives
(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 : Chalcogen attached indirectly to the thiazole ring by nonionic bonding : The chalcogen, X, is in a -C(=X)- group : The -C(=X)- group is bonded directly to the nitrogen)
Patent 5138068: 1-phenyl 5-oxotetrazolines
(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.) : Tetrazoles (including hydrogenated) : Chalcogen or nitrogen attached directly to the tetrazole ring by nonionic bonding : 4-position substituent contains plural chalcogens, attached indirectly to the oxazole ring by nonionic bonding, none of which is bonded directly to phenyl)
Patent 5138069: Angiotensin II receptor blocking imidazoles
(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.) : Tetrazoles (including hydrogenated) : Chalcogen attached indirectly to the tetrazole ring by nonionic bonding : The chalcogen, X, is in a -C(=X)- group : 4- or 5-position substituent contains chalcogen)
Patent 5138070: Pentamethine dyestuffs and derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) : Polycyclo ring system having the five-membered hetero ring as one of the cyclos : Bicyclo ring system having the five-membered hetero ring as one of the cyclos (e.g., octahydroindoles, etc.) : Additional polycyclo heterocyclic ring system attached directly or indirectly to the bicyclo ring system by nonionic bonding : The additional polycyclo ring system includes a five-membered nitrogen containing hetero ring : The tricyclo ring system is unsubstituted or is hydrocarbyl substituted only (e.g., N-vinyl carbazole, etc.))
Patent 5138071: Process for preparing peptides with N-terminal non-proteinogenous amino acids
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) : Having -C(=X)-, wherein X is chalcogen, bonded directly to the five membered hetero ring (e.g., pyrrole carbonyl halides, pyrrole carboxaldehyde, etc.) : Acyclic nitrogen bonded directly to the -C(=X)- (e.g., 4,5-dihalopyrrole -2 carboxamides, etc.) : Additional -C(=X)- bonded directly to the five-membered hetero ring (e.g., pyrrole-3,4-dicarboxylic acid esters, etc.))
Patent 5138072: Process for the preparation of 5-chloro-3-chlorosulphonyl-2-thiophenecarboxylic acid esters
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Sulfur containing hetero ring (e.g., thiiranes, etc.) : The hetero ring is five-membered : Chalcogen bonded directly to ring carbon of the hetero ring : Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring : Chalcogen attached indirectly to the bicyclo ring system by nonionic bonding)
Patent 5138073: Preparation of alkylene carbonates
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring contains -O-C(=X)-O- as part of its structure, wherein X is chalcogen (e.g., cyclic carbonates, etc.) : The hetero ring is five-membered : The five-membered hetero ring, except for the =X to the ring, is unsubstituted or hydrocarbyl substituted only : Rhodamines)
Patent 5138074: Continuous catalyzed vapor phase dimeric cyclic ester process
(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 : Plural ring oxygens in the lactone ring : Bicyclo ring system having the lactone ring as one of the cyclos)
Patent 5138075: Extractive separation method
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring is six-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 : The bicyclo ring system consists of the hetero ring and a six-membered carbocyclic ring : Chalcogen bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherols, etc.) : Purification or recovery : Benzene ring bonded directly to the hetero ring (e.g., flavones, etc.))
Patent 5138076: Process for the preparation of 2-(2-bromo-2-nitroethenyl)furan
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring is five-membered : Nitrogen attached indirectly to the hetero ring by nonionic bonding : Purification or recovery of furfural)
Patent 5138077: Selective epoxidation of diolefins and aryl olefins
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring is three-membered consisting of one oxygen and two carbons : Processes : Oxirane ring formed : Epoxidation at site of ethylenic unsaturation : Silver containing catalyst utilized : Additional heavy metal containing material utilized (e.g., promoter which contains heavy metal utilized, etc.) : Heavy metal containing catalyst utilized)
Patent 5138078: Glycidyl esters of tricarboxylic acid adducts
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring is three-membered consisting of one oxygen and two carbons : Chalcogen attached indirectly to the hetero ring by nonionic bonding : Chalcogen and the hetero ring bonded directly to the same carbon (e.g., glycidyl ethers, etc.) : Sulfur or -C(=X)-, wherein X is chalcogen, attached indirectly to the hetero ring by nonionic bonding : The chalcogen, X, is part of a -C(=X)X- group or a -X-X- group, wherein the X's are the same or diverse chalcogens (e.g., -COO-HCH-oxirane, etc.) : Purification or recovery)
Patent 5138079: .alpha., .omega.-chlorosilazanes, and a process for their preparation
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Nitrogen attached directly to silicon by nonionic bonding : Plural silicons bonded directly to the nitrogen : And utilizing a material which contains a metal other than aluminum)
Patent 5138080: Polysilamethylenosilanes and process for their preparation
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Plural silicons bonded directly to each other : The sulfur is part of a -SH or -SC(=X)- group, wherein X is chalcogen (H of -SH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal))
Patent 5138081: Process for purifying vinylically-unsaturated organosilicon compounds
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Carbon attached directly or indirectly to the silicon by nonionic bonding (e.g., silanes, etc.) : Processes : Benzene ring containing)
Patent 5138082: Process for preparation of organosilicon halides
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Carbon attached directly or indirectly to the silicon by nonionic bonding (e.g., silanes, etc.) : Processes : Silicon to carbon bond formed : Silicon to halogen bond formed)
Patent 5138083: Methods of producing alpha-alkenylalkylsilanes
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Carbon attached directly or indirectly to the silicon by nonionic bonding (e.g., silanes, etc.) : Processes : Silicon to carbon bond formed : Silicon to halogen bond formed)
Patent 5138084: Process for the preparation of 4-O-phosphates of dopamine and dopamine derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Phosphorus esters (i.e., compounds having the phosphorus ester group, wherein trivalent or pentavalent phosphorus and carbon are bonded directly to the same divalent chalcogen, and wherein the carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Processes : Isomerization : Plural chalcogens in the ring)
Patent 5138085: Process for purifying polybrominated triaryl phosphate esters
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Phosphorus esters (i.e., compounds having the phosphorus ester group, wherein trivalent or pentavalent phosphorus and carbon are bonded directly to the same divalent chalcogen, and wherein the carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Processes : Purification or recovery : Reactant having acyclic or alicyclic carbon to carbon unsaturation)
Patent 5138086: Method for preparing .alpha.,.beta.-unsaturated 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 : Reactant is a carboxylic acid, or an amide, anhydride, ester, halide, or salt thereof : Nitrogen, or oxygen, and carbonyl carbon are adjacent ring members of the hetero ring (e.g., lactams, lactones, etc.))
Patent 5138087: 1,1,1-trifluoro-2-propene compounds and a method for their preparation
(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) : Acyclic (e.g., purification of saturated nitriles, etc.) : Halogen attached indirectly to the cyano group by nonionic bonding : Plural halogens attached indirectly to the cyano group by nonionic bonding : A carbon in the chain is multiple bonded to carbon (e.g., 1,4 dicyanobutene, etc.))
Patent 5138088: Nitrobenzoyl-3-cyclopropylaminoacrylates and a process for the preparation thereof
(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.) : Nitro bonded to carbon in acid moiety : Plural rings in acid moiety : Plural nitrogens in acid moiety)
Patent 5138089: Chromophores, sunscreen compositions and methods for preventing sunburn
(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.) : Polyoxy alcohol moiety : Benzoic acid substituted on ring with oxy and nitrogen)
Patent 5138090: Substituted biphenyls
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Aromatic acid moiety : Oxy in acid moiety : Rings bonded directly to each other in acid moiety : Nitrogen in alcohol moiety)
Patent 5138091: 1,4-dihydropyridine-threonine derivatives with cardiovascular activity
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) : Oxy, aldehyde or ketone group in acid moiety : Halogen in alcohol moiety)
Patent 5138092: Process for obtaining sec-butyl acrylate
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Unsaturation in acid moiety : Preparing esters by esterification or carbonylation)
Patent 5138093: Process for preparing ethylidene diacetate
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Unsubstituted acids of the acetic series : Preparing esters by carbonylation : Aromatic alcohol moiety)
Patent 5138095: Bisulfite addition products of ketone-terminated polyoxyalkylene compounds
(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) : Plural sulfonate groups attached indirectly to each other by acyclic nonionic bonding : Plural nonsulfonate chalcogens attached indirectly to the sulfonate groups by nonionic bonding : Neutralization or acidification)
Patent 5138096: New continuous industrial manufacturing process for an aqueous solution of glyoxylic acid
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Acyclic : Formation of carboxyl group by oxidation : Of aldehyde : Cyclic ketone or mixture thereof with cyclic alcohol)
Patent 5138097: Amine terminated polyamides
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Carboxamides (i.e., Q-CO-HNH, wherein Q is a substituent having carbon bonded directly to the carbonyl or is hydrogen and wherein any substituent replacing one or both hydrogens shown will be referred to as E) : Plural carboxamide groups containing or containing plural carbonyls bonded directly to the same nitrogen : Three or more carboxamide groups : Hydroxy, bonded directly to carbon, or ether in substituent Q (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal))
Patent 5138098: 2-acyl-6-methylnaphthalene preparation
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ketones : Benzene ring containing : Processes : Halogen containing reactant (e.g., dehydrohalogenation, etc.) : Plural rings in ketone prepared)
Patent 5138099: Synthesis of fluorobenzaldehydes
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Aldehydes : Benzene ring containing : Processes : Reactant contains -COO- group : Gaseous hydrogen reactant)
Patent 5138100: Method for preparing methacrolein
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Aldehydes : Acyclic : Processes : Oxidation of organic compound utilizing gaseous oxygen : Organic hydroxy containing reactant : Methanol reactant : Molybdenum containing catalyst utilized :)
Patent 5138101: Recovery of high-boiling aldehydes from rhodium-catalyzed hydroformylation processes
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Aldehydes : Acyclic : Processes : Purification or recovery : Ag, Au, Pd, Pt, Rh, Ir, Ru, or Os containing material utilized)
Patent 5138102: Reactor quenching for catalytic olefin hydration in ether production
(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 5138103: Process for producing tetrabromobisphenol A
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Benzene ring containing : Phenols (H of -OH may be replaced by a Group IA or IIA light metal) : Polyphenols : Two phenols bonded directly to the same carbon : Identical phenols : Halogen containing : Halogen containing)
Patent 5138104: Process for producing dihydric phenols
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Benzene ring containing : Phenols (H of -OH may be replaced by a Group IA or IIA light metal) : Polyhydroxy (H of -OH may be replaced by a Group IA or IIA light metal) : Preparing by oxidation : Alkali metal hydroxide utilized)
Patent 5138105: Process and apparatus for recovering a lower alcohol from a mixture thereof with water
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Acyclic : Purification or recovery : By dehydration : Chromium, molybdenum, or tungsten)
Patent 5138106: Fatty alcohols
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Acyclic : Preparing from carbonyl containing compound : By alcoholysis, hydrolysis, or saponification of an ester : Ion exchange or sorbent material utilized)
Patent 5138107: Phase transfer catalyzed halogenation of carbon acids
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Processes of preparing, purifying, or recovering benzene ring containing compound : Preparing acyclic carbon to carbon unsaturation containing compound : Halogenation of acyclic carbon)
Patent 5138108: Process for regenerating a zeolite catalyst
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Processes of preparing, purifying, or recovering benzene ring containing compound : Oxyhalogenation : Halogenation of acyclic carbon)
Patent 5138109: Process for preparing halogenated alkyl
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Preparing by increasing the number of carbons in the compound : All reactants in vapor phase)
Patent 5138110: Process for the preparation of alkyl-halides
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Preparing by reacting hydrogen halide with a compound which contains hydroxy bonding directly to carbon : All reactants in vapor phase)
Patent 5138111: Eta phase materials, methods of producing the same, and use thereof as catalysts for alcohol synthesis, hydrocarbon synthesis, hydrocarbon
(CHEMISTRY OF HYDROCARBON COMPOUNDS : ADDING HYDROGEN TO UNSATURATED BOND OF HYDROCARBON, I.E., HYDROGENATION : Using transition metal-containing catalyst : Group VIII metal with additional nonhydrocarbon agent or complexed with hydrocarbon : Co, Fe, or Ni)
Patent 5138112: Process for converting a C.sub.2 -C.sub.6 aliphatic hydrocarbon to high octane transportable fuel
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PLURAL SERIAL DIVERSE SYNTHESES : To produce alicyclic : Earlier synthesis is condensation or alkyl transfer)
Patent 5138113: Process for producing alkylaromatic hydrocarbons from natural gas
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PLURAL SERIAL DIVERSE SYNTHESES : To produce aromatic : Including an aromatization step : Co, Fe, or Ni)
Patent 5138114: Hybrid/microwave enclosures and method of making same
(ELECTRICITY: CONDUCTORS AND INSULATORS : BOXES AND HOUSINGS : With electric device or mounting means therefor : Sealed : Flat housing for electronic device (e.g., flat pack, dual-in-line package) : Gas filled)
Patent 5138115: Carrierles surface mounted integrated circuit die
(ELECTRICITY: CONDUCTORS AND INSULATORS : BOXES AND HOUSINGS : With electric device or mounting means therefor : Sealed : Flat housing for electronic device (e.g., flat pack, dual-in-line package) : Gas filled)
Patent 5138116: Mounting device for electronic component
(ELECTRICITY: CONDUCTORS AND INSULATORS : INSULATORS : Special application : Component mounting pads, spacers and holders : Bus bars)
Patent 5138117: Watertight sealing lip for grommet
(ELECTRICITY: CONDUCTORS AND INSULATORS : INSULATORS : Through wall or plate : Bushing type : Grommets or tubes : Grommets)
Patent 5138118: Pulsed pen for use with a digitizer tablet
(TELEGRAPHY : SYSTEMS : Position coordinate determination for writing (e.g., writing digitizer pad, stylus, or circuitry) : Writing digitizer stylus : Capacitive or inductive stylus : Having shield)
Patent 5138119: Backlit tactile keyboard with improved tactile and electrical characteristics
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : MULTIPLE CIRCUIT CONTROL : Multiple switch : With independent operators :)
Patent 5138120: Timing mechanism with a PTC thermistor
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : RETARDED : Clock train : Cam operated : Multiple contact)
Patent 5138121: Auxiliary contact mounting block
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : ELECTRIC SWITCH DETAILS : Cases and bases : Printed circuit)
Patent 5138122: Bi-directional direct current switching apparatus having arc extinguishing chambers alternatively used according to polarity applied
(HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES : ARC PREVENTING OR EXTINGUISHING DEVICES : Magnetic blowout : Contact structure)
Patent 5138123: Inductively operated heating apparatus for plastic materials
(ELECTRIC HEATING : INDUCTIVE HEATING : With heat exchange : Bonding)
Patent 5138124: Apparatus for destroying hypodermic needles
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : Cutting or disintegrating (e.g., machining engraving) : Resistance heating methods)
Patent 5138125: Electrical needle destruction device with sterilizable assembly
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : Cutting or disintegrating (e.g., machining engraving) : Resistance heating methods)
Patent 5138126: Wire cut type electric discharge machine
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : Cutting or disintegrating (e.g., machining engraving) : Electric spark machining : Wire cutting : Portable)
Patent 5138127: Pressure welding with closed loop force control
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : For bonding with pressure (e.g., resistance welding) : By spot bonding : With significant electrode support : Having adjustment means : With condition responsive control means : Responsive to pressure :)
Patent 5138128: Front end fixture and method for stud welding gun
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : For bonding with pressure (e.g., resistance welding) : Flash : Stud : Methods : By interposed button)
Patent 5138129: Welding transformer in a welding gun for robot
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : For bonding with pressure (e.g., resistance welding) : Systems of current supply : With transformer : Condenser discharge)
Patent 5138130: Laser rough and finish machining of hard materials
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Methods)
Patent 5138131: Laser cutting method and apparatus for effecting said method
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Cutting : Methods)
Patent 5138132: Method for noise reduction
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Welding : Process : Power supply : Methods)
Patent 5138133: Heating sheet having far infrared radiator attached and various equipments utilizing heating sheet
(ELECTRIC HEATING : HEATING DEVICES : Combined with diverse-type art device : Apparel : Crystal or other vibratory device)
Patent 5138134: Decorative wall hanging heater
(ELECTRIC RESISTANCE HEATING DEVICES : : Tank or container type liquid heater : Portable container or tank : With internally positioned heating element : Removably inserted through fill opening : Nonmetallic panel)
Patent 5138135: Cooktop
(ELECTRIC HEATING : HEATING DEVICES : Combined with container, enclosure, or support for material to be heated : Exposed horizontal planar support surface for material to be heated (e.g., hot plate, etc.) : With indicator : Adjustable)
Patent 5138136: Method, circuit and apparatus for supplying an electrical current to a resistive heating element
(ELECTRIC HEATING : HEATING DEVICES : With power supply and voltage or current regulation or current control means : Automatic regulating or control means : Comprising variable resistance means : Comprising nonlinear or negative temperature coefficient resistance means : Reflector-type)
Patent 5138137: Fault detecting membrane potentiometer switch
(ELECTRIC HEATING : HEATING DEVICES : With power supply and voltage or current regulation or current control means : Automatic regulating or control means : With signal or indicating means : Comprising nonlinear or negative temperature coefficient resistance means)
Patent 5138138: Heating system for an operating table
(ELECTRIC HEATING : HEATING DEVICES : With heater-unit housing, casing, or support means (e.g., frame and single sheet) : Flexible or resilient (e.g., warming pad) : Body-supported (e.g., human body))
Patent 5138139: Pipe identifying apparatus
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Vote counters)
Patent 5138140: Signature capture using electro-optical scanning
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Vote counters)
Patent 5138141: Method and apparatus for repeating the output of an optical scanner
(MERCHANDISING : CUSTOMER SERVICE : Store service : Checkout counter : With means enabling price reading : Overhead)
Patent 5138142: IC card with improved power supply switching circuitry
(REGISTERS : RECORDS : Conductive : Aligning records)
Patent 5138143: Focus detecting device for use with cameras
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Automatic focus control : Based on image shift : With optical storage medium; e.g., optical disc, etc.)
Patent 5138144: Image reading method and apparatus
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive image detecting element arrays : With comparison)
Patent 5138145: Method for producing image sensors with current flow into chip and with simplified chip mounting
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive image detecting element arrays : With comparison)
Patent 5138146: Image position sensitive device with multiple output electrodes
(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) : Field effect device in non-single crystal, or recrystallized, Semiconductor material : In array having structure for use as imager or display, or with transparent electrode : Recrystallized semiconductor material)
Patent 5138147: Proximity X-ray image intensifier tube
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Electromagnetic or particle radiation : Charged or elementary particles : With means to concentrate stress)
Patent 5138148: Fiber optic receiving circuit having improved gain over a wide frequency band
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Special photocell or electron tube circuits : Amplifier type : With moving reticle in optical path)
Patent 5138149: Apparatus and method for monitoring radiant energy signals with variable signal gain and resolution enhancement
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Special photocell or electron tube circuits : Automatic gain control : Light amplifier type)
Patent 5138150: Photoelectric proximity sensor having shutter adjustment means for sensing region distance
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Controlled by article, person, or animal : Volume or level)
Patent 5138151: Method for detecting an abnormal portion of a yarn package
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Controlled by article, person, or animal : Inanimate article : Conveyor or chute : Vacuum tube type)
Patent 5138152: Signal sensing and measuring in fibre optic systems with light pulse width detecting
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : Condition responsive light guide (e.g., light guide is physically affected by parameter sensed which results in light conveyed to the photocell) : With detection of fiber microbend caused by parameter affecting fiber : Vacuum tube type)
Patent 5138153: Distributed fiber-optic sensor with substance selective permeable coating
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : With light chopping or modulation : With coherent interferrometric light)
Patent 5138154: Shaft angle encoder with rotating off-axis interference pattern
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light valve (e.g., iris diaphragm) : Actuated by dynamic external physical quantity : Gyroscopes : Bottles)
Patent 5138155: Pressure gauge with fiber optic sensor
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light valve (e.g., iris diaphragm) : Actuated by dynamic external physical quantity : Pressure-responsive light valves : Incremental shaft readers; i.e., with means to generate increments of angular shaft rotation)
Patent 5138156: Vibration tolerant infrared sensor for aircraft
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Housings (in addition to cell casing) : Hoods, grating, baffles, diaphragms, masks)
Patent 5138157: Neutral particle beam propagation direction determining apparatus and method
(RADIANT ENERGY : ELECTRICALLY NEUTRAL MOLECULAR OR ATOMIC BEAM DEVICES AND METHODS :)
Patent 5138158: Surface analysis method and apparatus
(RADIANT ENERGY : ELECTRON ENERGY ANALYSIS : Radioactive tracer methods)
Patent 5138159: Scanning tunneling microscope
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Radioactive tracer methods)
Patent 5138160: Storage type phosphor sheet holding device
(RADIANT ENERGY : SOURCE WITH RECORDING DETECTOR : Using a stimulable phosphor : With conveyance : Including emission detection)
Patent 5138161: Apparatus for reading radiation image information
(RADIANT ENERGY : SOURCE WITH RECORDING DETECTOR : Using a stimulable phosphor : With image read-out : Including emission detection : With detector control or regulating)
Patent 5138162: Method and apparatus for producing enhanced images of curved thermal objects
(RADIANT ENERGY : INFRARED-TO-VISIBLE IMAGING : Including a light beam read-out)
Patent 5138163: Direct sampling of engine emissions for instantaneous analysis
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With selection of plural discrete wavelengths or bands : With radiation source : Including spectrometer or spectrophotometer : Including Fourier transform infrared spectrometry :)
Patent 5138164: Infrared detector subarray with integral optical filter
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With selection of plural discrete wavelengths or bands : Including detector array : With adjustment of conditions)
Patent 5138165: Three dimensional positron emission tomography system
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : With or including a luminophor : With radiant energy source : Body scanner or camera : With positron source : With gaseous sample)
Patent 5138166: Medical X-ray image detecting device
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : With or including a luminophor : With optics : Ultraviolet light source)
Patent 5138167: Split energy radiation detection
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Semiconductor system : Chemiluminescent detection)
Patent 5138168: Method and apparatus for quantitative autoradiography analysis
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Including a radiant energy responsive gas discharge device : Plural chambers or three or more electrodes : Radioactive)
Patent 5138169: Method and apparatus for irradiating low-energy electrons
(RADIANT ENERGY : WITH CHARGED PARTICLE BEAM DEFLECTION OR FOCUSSING : With target means : Hoods, grating, baffles, diaphragms, masks)
Patent 5138170: Method and apparatus for identifying chromosomes or cells
(RADIANT ENERGY : LUMINOPHOR IRRADIATION : With ultraviolet source : Biological cell identification : With a flow-modifying surface)
Patent 5138171: Photostimulable phosphor and its use in radiography
(RADIANT ENERGY : INVISIBLE RADIATION RESPONSIVE NONELECTRIC SIGNALLING : Luminescent device : Requiring an additional energy source to cause luminescence : With optically-stimulated phosphor : Rotary motion)
Patent 5138172: Apparatus and method for applying information energy to a substrate
(RADIANT ENERGY : IRRADIATION OF OBJECTS OR MATERIAL : Luminescent device)
Patent 5138173: Charge detector for semiconductor substrates
(RADIANT ENERGY : IRRADIATION OF OBJECTS OR MATERIAL : Irradiation of semiconductor devices : With optical member of material to directly modify luminous energy)
Patent 5138174: Nanometer-scale structures and lithography
(RADIANT ENERGY : IRRADIATION OF OBJECTS OR MATERIAL : Ion or electron beam irradiation : Photocathode projection)
Patent 5138175: Lamp sheath assembly for optically-assisted gas decontamination process
(RADIANT ENERGY : RADIANT ENERGY GENERATION AND SOURCES : With radiation modifying member : Ultraviolet or infrared source : Plural planar layer type)
Patent 5138176: Projection optical apparatus using plural wavelengths of light
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Controlling web, strand, strip, or sheet : Self-luminous target)
Patent 5138177: Solid-state relay
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Signal isolator : Controlling light source intensity)
Patent 5138178: Photoelectric paper basis weight sensor
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : Measuring dimensions : Thickness : With translucent material : With detector support)
Patent 5138179: Method of and device for diameter measurement used in automatically controlled crystal growth
(SINGLE-CRYSTAL, ORIENTED-CRYSTAL, AND EPITAXY GROWTH PROCESSES; NON-COATING APPARATUS THEREFOR : PROCESSES OF GROWTH FROM LIQUID OR SUPERCRITICAL STATE : Having pulling during growth (e.g., Czochralski method, zone drawing) : With a step of measuring, testing, or sensing (e.g., using TV, photo, or X-ray detector or weight changes) : With responsive control :)
Patent 5138180: Wire bonding inspecting apparatus utilizing a controlling means for shifting from one inspected area to another
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : With imaging : With scanning)
Patent 5138181: Apparatus for counting and determining at least one leucocytic sub-population
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Fluent material in optical path : Digital information)
Patent 5138182: Apparatus for controlling power window regulator
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Series-connected)
Patent 5138183: Windshield wiper-headlight control circuit
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Lighting circuits : Ignition or starting circuit lock)
Patent 5138184: Solid state static power transfer mechanism
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Substitute or emergency source : Serially connected sources)
Patent 5138185: Electrical backup interface device having low power output
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Substitute or emergency source : Storage battery or accumulator : Serially connected sources)
Patent 5138186: Solid state switch with last state memory
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Including details of sampling or holding : With differential amplifier)
Patent 5138187: Amplitude variable pulse generating circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Rectangular (e.g., clock, etc.) or pulse waveform amplitude control : Having inductive device (e.g., transformer, etc.))
Patent 5138188: Edge-sensitive pulse generator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Rectangular (e.g., clock, etc.) or pulse waveform width control : Having negative resistance device (e.g., tunnel diode, etc.))
Patent 5138189: Asynchronous state machine synchronization circuit and method
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Initializing, resetting, or protecting a steady state condition : Four or more layer device, (e.g., trigistor, etc.))
Patent 5138190: Charge pump circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Having particular substrate biasing : Having stabilized bias or power supply level : Charge pump details : With emitter follower)
Patent 5138191: Photoemitter
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : EXTERNAL EFFECT : Light : With compensation for temperature fluctuations)
Patent 5138192: AC voltage identification circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Frequency detection)
Patent 5138193: Electric pulse generator of the saturable inductor type
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : NONLINEAR REACTOR SYSTEMS (E.G., SATURABLE) : Magnetic pulse generator : With feedback)
Patent 5138194: Controlled slew rate buffer
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Signal level or switching threshold stabilization : Bias or power supply level stabilization : With clocking)
Patent 5138195: Bi-CMOS logic circuit having full voltage swing and rapid turn-off
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Bipolar and FET : Bi-CMOS : CMOS)
Patent 5138196: Integrated semiconductor circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Logic level shifting (i.e., interface between devices of different logic families) : Bi-CMOS : ECL to/from CMOS :)
Patent 5138197: Address decoder array composed of CMOS
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNIFICANT INTEGRATED STRUCTURE, LAYOUT, OR LAYOUT INTERCONNECTIONS : Field-effect transistor)
Patent 5138198: Integrated programmable logic device with control circuit to power down unused sense amplifiers
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : Field effect transistor : Emitter-coupled logic or emitter-follower logic)
Patent 5138199: Level conversion circuit for converting ECL-level signal into TTL-level signal
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Logic level shifting (i.e., interface between devices of different logic families) : Bi-CMOS : ECL to/from TTL :)
Patent 5138200: Device for generating a reference voltage for a switching circuit including a capacitive bootstrap circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : With capacitive or inductive bootstrapping : Having plural output pull-up or pull-down transistors)
Patent 5138201: Sense amplifier operable under variable power supply voltage
(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 : Current mirror :)
Patent 5138202: Proportional base drive circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Field-effect transistor : With bipolar transistor : MESFET (i.e., metal semiconductor field-effect transistor))
Patent 5138203: Integrated circuit compensation for losses in signal lines due to parasitics
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Signal transmission integrity or spurious noise override : Parasitic prevention or compensation (e.g., parasitic capacitance, etc.) : Temperature control)
Patent 5138204: Adjustable delay utilizing a mirror capacitance discharging a constant current in the saturation and linear regions of a mirror amplifier
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Delay interval set by rising or falling edge : Non-overlapping)
Patent 5138205: Synchronized thyristor firing control
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Four or more layer device (e.g., thyristor, etc.) : AC supply : Silicon controlled rectifier (SCR) : With triac)
Patent 5138206: Method and apparatus for cooling hot spots in platen of linear motor system
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Piezoelectric element shape)
Patent 5138207: Flux trapped superconductor sychronous motor with creep compensation
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Magnetic motors : Solenoid and core)
Patent 5138208: Small size electric motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Cooling or fluid contact : Circulation : Heat-exchange structure : Hollow passages)
Patent 5138209: Spindle motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Inbuilt or incorporated unit : Heat-exchange structure)
Patent 5138210: Rotatable rectifier assembly
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Electric circuit elements : Conversion elements, (e.g., transformers, rectifiers, etc.) : Distributor or timer (e.g., ignition magnetos))
Patent 5138211: Spherical cam clutch for servoactuator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Drive mechanism : Clutch : Distributor or timer (e.g., ignition magnetos))
Patent 5138212: Brush protection in an electric motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Fixed structure : Brush holders or rigging : Disc)
Patent 5138213: Brushless D.C. motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Rotor structure : Armatures : Salient pole : With composition feature)
Patent 5138214: Piezoelectric transducer and method of adjusting oscillation frequency thereof
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Adding or subtracting mass : Friction)
Patent 5138215: Saw reflective array correlator with amplitude error compensating polymer reflective array grating
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Surface acoustic wave devices : Interdigitated electrodes : Grating or reflector in wave path :)
Patent 5138216: Micro-beam tactile sensor for the measurement of vertical position displacement
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Electrical systems : Input circuit for simultaneous electrical and mechanical output from piezoelectric element : Grating or reflector in wave path)
Patent 5138217: Driving power unit for piezoactuator system and method
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with resonant structure : Direct mechanical coupling : Detector (e.g., sensor) : Eliptical motion at fixed point (i.e., walking) or Ratchet and Pawl motor)
Patent 5138218: Metal vapor discharge lamp having single end arc tube of predetermined thickness
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH TEMPERATURE MODIFIER : Double wall, jacket or casing for envelope : Sealed casing for envelope : Flow directing means in casing)
Patent 5138219: Optical interference coating and lamps using same
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE : Polarizer or special ray transmission (e.g., filter) : With integrant display electrode)
Patent 5138220: Field emission cathode of bio-molecular or semiconductor-metal eutectic composite microstructures
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGE DEVICES HAVING A MULTIPOINTED OR SERRATED EDGE ELECTRODE : Discharge control electrode)
Patent 5138221: Inorganically insulated heater, and cathode ray tube and air flow sensor using the same
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Ray generating or control : Including cathode assembly : Internal)
Patent 5138222: Projection cathode ray tube having an interference filter
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Screen : With optics : Dot type)
Patent 5138223: Tubular fluorescent lamp with intermediate electrode
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : Aperture-type tube : Plural)
Patent 5138224: Fluorescent low pressure discharge lamp having sintered electrodes
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : Electrode structure or material : Plural)
Patent 5138225: Plasma display device
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Three or more electrode discharge device : Multiple gaseous discharge display panel : Having intersecting electrode sets : Composite)
Patent 5138226: Surface mountable miniature incandescent light
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Having electrode lead-in or electrode support sealed to envelope : With positive ion or cathode shield)
Patent 5138227: High-pressure discharge lamp, particularly double-ended high-power, high-wall loading discharge lamp, and method of making the same
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Having electrode lead-in or electrode support sealed to envelope : With positive ion or cathode shield)
Patent 5138228: Bulb geometry for low power metal halide lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Envelope with particular structure : Cathode or anode)
Patent 5138229: Single-sealed metal vapor electric discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Having electrode heated by space discharge current : Coil type : Substantially the full length of discharge path)
Patent 5138230: Quasi-optical gyrotron having a rotatable mount for providing resonator mirrors of a selected frequency
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Combined cathode ray tube and circuit element structure : Inductor or distributed parameter-type inductive structure : Ray passes in or through a hollow distributed parameter device :)
Patent 5138231: High pressure metal vapor discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : COMBINED LOAD DEVICE OR LOAD DEVICE TEMPERATURE MODIFYING MEANS AND ELECTRICAL CIRCUIT DEVICE STRUCTURE : Electric switch inside evacuated or gas filled envelope : Plural filaments energized in parallel)
Patent 5138232: Power supply device for thermionic emitting cathode
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH CATHODE OR CATHODE HEATER SUPPLY CIRCUIT : Pulsating or A.C. supply to the cathode or heater circuit : Thermostatic controlled delaying means)
Patent 5138233: Driver circuit for a plurality of gas discharge lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL SERIES CONNECTED LOAD DEVICES : Condenser in the supply circuit : Plural diverse discharge device loads)
Patent 5138234: Circuit for driving a gas discharge lamp load
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Flashers)
Patent 5138235: Starting and operating circuit for arc discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Flashers)
Patent 5138236: Circuit for driving a gas discharge lamp load
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Flashers)
Patent 5138237: Field emission electron device employing a modulatable diamond semiconductor emitter
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD : Discharge control discharge device load : Pulsating or A.C. supply to the electromagnet)
Patent 5138238: Arrangement for correcting beam landing location error in a video display
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Including color convergence control : Including specified waveform generating circuitry : Offset apertures in plural sequential electrodes)
Patent 5138239: Vertical amplifier apparatus with a beam-finding function for an oscilloscope
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Plural potentials or currents applied to deflection member : Push-pull deflection circuit : Tube-type circuit)
Patent 5138240: Horizontal-deflection driving circuit
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Deflection coil circuit : Including solid-state switch : Tube-type amplifier)
Patent 5138241: Raindrop detector for a wiper motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) : Moisture content or wetness : Voltage)
Patent 5138242: Inverse electromotive force eliminating device for motor utilizing MOS-FET
(ELECTRICITY: MOTIVE POWER SYSTEMS : ARMATURE (OR PRIMARY) CIRCUIT CONTROL : By shunting armature or primary winding : Wound or energized in magnetic opposition)
Patent 5138243: Switching device for the electric switching of electric tools
(ELECTRICITY: MOTIVE POWER SYSTEMS : MOTOR STRUCTURE ADJUSTMENT OR CONTROL : Brush or other current-collector control : Intermittently operated)
Patent 5138244: Reluctance-type electric motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SYNCHRONOUS MOTOR SYSTEMS : Hysteresis or reluctance motor systems : Cyclically varying or repeated speed schedules)
Patent 5138245: Holder for a rechargeable tool
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : For handheld device : With charger stand or base :)
Patent 5138246: Battery protecting system in a car stereo
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL DISCHARGING : Regulated discharging : With battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.) : Time control)
Patent 5138247: Reactive power compensating apparatus with higher harmonic suppressing function
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : FOR REACTIVE POWER CONTROL : Using converter :)
Patent 5138248: Load independent current feeding circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Linearly acting : Switched (e.g., on-off control))
Patent 5138249: Circuit for regulating a parameter by means of a bidirectional current structure
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Switched (e.g., switching regulators) : Digitally controlled : Including final control device parameter)
Patent 5138250: Method of controlling a chopper regulator and a circuit implementing said method
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Switched (e.g., switching regulators) : Digitally controlled : Including final control device parameter)
Patent 5138251: FET sensor apparatus of flow-cell adaptive type and method of manufacturing the same
(ELECTRICITY: MEASURING AND TESTING : DETERMINING NONELECTRIC PROPERTIES BY MEASURING ELECTRIC PROPERTIES : Semiconductors for nonelectrical property : Mechanically actuated switch)
Patent 5138252: Automatic scaling for display of modulation domain measurements
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Analysis of complex waves : Frequency spectrum analyzer : With slope detector)
Patent 5138253: Wave-leakage measuring apparatus and measuring method
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : With waveguide or long line : Conductive field (e.g., mercury))
Patent 5138254: Removable alternating current measuring circuit
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : With rectifier (e.g., A.C. to D.C.) : Hall effect)
Patent 5138255: Method and apparatus for measuring lifetime of semiconductor material including waveguide tuning means
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Test of semiconductor device : With barrier layer : Diode : Differential bridge circuit)
Patent 5138256: Method and apparatus for determining the thickness of an interfacial polysilicon/silicon oxide film
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Test of semiconductor device : With barrier layer : Diode : Differential bridge circuit)
Patent 5138257: Circuit for testing internal data bus of integrated circuit
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : DATA PROCESSING SYSTEM ERROR OR FAULT HANDLING : Reliability and availability : Fault locating (i.e., diagnosis or testing) : Component dependent technique : Bus, I/O channel, or network path component fault : Memory emulator feature)
Patent 5138258: Hall effect device for crank angle sensing in which the hall effect device is sealed in a frame using silicone gel and resin
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Hall effect : Electrically energized)
Patent 5138259: Method for suppressing image artifacts in a magnetic resonance imaging apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5138260: Computer controlled switching of multiple RF coils
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5138261: Nuclear magnetic resonance tomograph
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)
Patent 5138262: Metal detector having detachable battery and speaker housing
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : For small object detection or location : Using oscillator coupled search head : With homogeneity control)
Patent 5138263: Electromagnetic formation evaluation tool
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : With radiant energy or nonconductive-type transmitter : With separate pickup : Within a borehole :)
Patent 5138264: Apparatus for measuring electrical conductivity
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a conductivity determining device : Including probe structure)
Patent 5138265: Apparatus and system for locating thunderstruck point and faulty point of transmission line
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : For fault location : By time measuring : Using time measuring)
Patent 5138266: Single-probe charge measurement testing method
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : By spark or arc discharge)
Patent 5138267: Method of calibrating output levels of a waveform analyzing apparatus
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Calibration : Having a lamp or light indicator)
Patent 5138268: Thickness measuring system for nonconducting materials
(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 : To determine dimension (e.g., dielectric thickness) : With compensation means)
Patent 5138269: Method and means for measuring the depth of cracks
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With voltage or current signal evaluation : Including a particular probing technique (e.g., four point probe) : Including corrosion or erosion)
Patent 5138270: High voltage pulse generator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Rectangular (e.g., clock, etc.) or pulse waveform amplitude control : Gain : By phase)
Patent 5138271: Method for cooling a charged particle beam
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : HIGH ENERGY PARTICLE ACCELERATOR TUBE : Magnetic field acceleration means : Including a discharge device)
Patent 5138272: Microwave demodulator for digital radio links using QAM type modulation
(DEMODULATORS : PHASE SHIFT KEYING OR QUADRATURE AMPLITUDE DEMODULATOR : Including logic element (e.g., logic gate or flip-flop)
Patent 5138273: FM demodulator
(DEMODULATORS : FREQUENCY MODULATION DEMODULATOR : Pulse position, frequency, phase or spacing demodulator)
Patent 5138274: Linear amplifier circuit
(AMPLIFIERS : WITH CONTROL OF POWER SUPPLY OR BIAS VOLTAGE : With control of input electrode or gain control electrode bias : Bias control signal from input of amplifier : A feedback to input of a prior stage)
Patent 5138275: Predistortion linearizer for microwave power amplifiers
(AMPLIFIERS : HUM OR NOISE OR DISTORTION BUCKING INTRODUCED INTO SIGNAL CHANNEL : Electron tube or diode as impedance)
Patent 5138276: Distortion-compensated differential circuit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Electron beam device)
Patent 5138277: Signal processing system having a very long time constant
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including gain control means : And significant control voltage developing means : With time constant means : To eliminate crossover distortion)
Patent 5138278: Broadband signal amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including signal feedback means : Having frequency-responsive means or phase-shift means in feedback path : Having emitter degeneration)
Patent 5138279: Leapfrog filter
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including signal feedback means : Having frequency-responsive means or phase-shift means in feedback path : Having emitter degeneration)
Patent 5138280: Multichannel amplifier with gain matching
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including plural amplifier channels : Having frequency-responsive means or phase-shift means in feedback path)
Patent 5138281: Apparatus for maintaining the frequency of an oscillator within a predetermined frequency range
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : AFC with logic elements : Reactance device (e.g., variable capacitors, saturable inductors, reactance tubes, etc.))
Patent 5138282: Plural phase-lock loops sharing a common frequency control
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Plural oscillators controlled :)
Patent 5138283: Oscillation frequency control circuit
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : With intermittent comparison controls : Motor control of oscillator)
Patent 5138284: Push-push oscillator using a transmission line resonator and differential output
(OSCILLATORS : PLURAL OSCILLATORS : Parallel connected : Diverse-type oscillators)
Patent 5138285: Method for reducing phase noise in oscillators
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Electromechanical resonator controlled : Field-effect transistor active element : Converter using silicon control rectifiers)
Patent 5138286: Method and device for voltage frequency transformation
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS :)
Patent 5138287: High frequency common mode choke
(WAVE TRANSMISSION LINES AND NETWORKS : TRANSMISSION LINE INDUCTIVE OR RADIATION INTERFERENCE REDUCTION SYSTEMS : Having branched circuits)
Patent 5138288: Micro strip filter having a varactor coupled between two microstrip line resonators
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Magnetostrictive wave transmission path)
Patent 5138289: Noncontacting waveguide backshort
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Waveguide elements and components : Including variable impedance : Having movable element)
Patent 5138290: Deflection yoke
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Electron or ion beam deflecting type : Pivoted or relatively movable independently of the armature)
Patent 5138291: Proportional solenoid actuator
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With plunger-type armature : With armature stroke adjustment : Special armature construction or mounting means (e.g., to assure positive seating of armature))
Patent 5138292: Encapsulated apparatus
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With casing or enclosure : Pivot support type armature-mounting means)
Patent 5138293: Terminal connection structure of electromagnetic coupling device
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Work or object holding type : Electromagnet type (e.g., electromagnetic chuck) : Angularly adjustable fixture)
Patent 5138294: Electromagnetic induction device
(INDUCTOR DEVICES : WITH TEMPERATURE MODIFIER : Ventilating passages (e.g., by coil section or core part spacers) :)
Patent 5138295: Electrical transformer arrangement with plate insulators
(INDUCTOR DEVICES : INDUCTIVE REGULATORS WITH NO RELATIVELY MOVING PARTS : With magnetic shunt to increase leakage reactance : Autotransformers)
Patent 5138296: Electric switch
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : WITH SEPARATE DISTINCT DIVERSE ART-TYPE SWITCHING DEVICE (E.G., FLUID- OR MECHANICAL-ACTUATED) : Fusible element device with other : Manually operable mechanical device : Rotary or reciprocating mechanism :)
Patent 5138297: Fused electrical switchgear
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : THERMALLY ACTUATED SWITCHES : With bimetallic element : With manual or other mechanical contact control means : Reciprocating or slidable motion means : Including cam and follower)
Patent 5138298: Metallic oxide resistive bodies having a nonlinear volt-ampere characteristic and method of fabrication
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Current and/or voltage (e.g., ballast resistor) : Voltage surge-responsive or lightning arrester type :)
Patent 5138299: Showcase alarm system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Door or window movement : Door, cover, or lid for self-contained article (e.g., refrigerator, mailbox, drawer, cabinet, or box) : Inertia-type sensor (e.g., mercury or pendulum switch))
Patent 5138300: Water immersion alarm system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Water safety alarm : Specified device housing or attachment means)
Patent 5138301: Rain gauge with clogging detection device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Flow rate : Filter clogging : Having means locking device to article)
Patent 5138302: Photoelectric, scattered light smoke detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Particle suspension in fluid : Smoke : Photoelectric : Pivoted arm)
Patent 5138303: Method and apparatus for displaying color on a computer output device using dithering techniques
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Dither or halftone : Color :)
Patent 5138304: Projected image light pen
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Temporal interpolation or processing)
Patent 5138305: Display controller
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL DISPLAY SYSTEMS : Diverse systems (e.g., CRT or LCD interface) : Wireless connection)
Patent 5138306: Image display device
(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) : Cathodolulminescent type : Vacuum fluorescent : Resistor-diode arrangement)
Patent 5138307: Display device for multi moving pictures
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Merge or overlay : Based on image data)
Patent 5138308: Microtip fluorescent matrix screen addressing process
(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) : Cathodolulminescent type : Field emissive (e.g., FED, Spindt, microtip, etc.) : Resistor-diode arrangement)
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