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Patent 5274190: Process for the manufacture of linear hydrofluorocarbons containing end group hydrogen substituents
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Fluorine containing : From organic compound containing an element other than carbon, hydrogen, or halogen : Oxygen containing : Bromine or iodine containing)
Patent 5274191: Electronic musical instrument using fuzzy interference for controlling musical tone parameters
(MUSIC : INSTRUMENTS : Electrical musical tone generation :)
Patent 5274192: Instrument for recording and playing back musical playing data
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Data storage :)
Patent 5274193: Heat sink spring and wedge assembly
(ELECTRICITY: CONDUCTORS AND INSULATORS : WITH FLUIDS OR VACUUM : With cooling or fluid feeding, circulating or distributing : By ventilation or gas circulation : With heat sink :)
Patent 5274194: Anti-stat carrier tube for electronic connectors
(ELECTRICITY: CONDUCTORS AND INSULATORS : BOXES AND HOUSINGS : Plural outlet and/or conduit)
Patent 5274195: Laminated conductive material, multiple conductor cables and methods of manufacturing such cables
(ELECTRICITY: CONDUCTORS AND INSULATORS : CONDUITS, CABLES OR CONDUCTORS : Insulated : Multiple conductor : Assemblies of noncircular section : Conductor itself is flat : Preform in hole)
Patent 5274196: Fiberglass cloth resin tape insulation
(ELECTRICITY: CONDUCTORS AND INSULATORS : CONDUITS, CABLES OR CONDUCTORS : Insulated : Plural or impregnated layers : Fibrous or fabric with plastic or coating materials : Adhesive)
Patent 5274197: Electronic-parts mounting board and electronic-parts mounting board frame
(ELECTRICITY: CONDUCTORS AND INSULATORS : CONDUITS, CABLES OR CONDUCTORS : Preformed panel circuit arrangement (e.g., printed circuit) : With particular conductive connection (e.g., crossover) : Termination post : Hollow (e.g., plated cylindrical hole))
Patent 5274198: Printed conductive ink electrostatic shield for electromagnetic digitizers
(TELEGRAPHY : SYSTEMS : Position coordinate determination for writing (e.g., writing digitizer pad, stylus, or circuitry) : Writing digitizer pad : Inductive : Having shield :)
Patent 5274199: Acoustic diaphragm and method for producing same
(ACOUSTICS : DIAPHRAGM : Critically defined material or coating : Fibrous material : Ear insert)
Patent 5274200: Sound attenuating enclosure for compressors
(ACOUSTICS : SOUND-MODIFYING MEANS : Housing or enclosure (e.g., sound confining and absorbing) : Machine type enclosure : Electical type devices (e.g., transformers, motors, etc.) : Underwater)
Patent 5274201: Noise muffler for an air blower
(ACOUSTICS : SOUND-MODIFYING MEANS : Muffler, fluid conducting type : Sound absorbing ventilating duct or curb (e.g., a/c, heat, air flow type) : With sound absorbing material)
Patent 5274202: Elevator dispatching accommodating interfloor traffic and employing a variable number of elevator cars in up-peak
(ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE : WITH CALL REGISTRATION MEANS : Shared by plural load supports : Dispatches load supports from designated landing : Pivotally attached contact component)
Patent 5274203: "Smart" position transducer system for elevators
(ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE : WITH MONITORING, SIGNALLING, AND INDICATING MEANS : Monitors operational parameter : Assigns calls to load supports on predetermined basis)
Patent 5274204: Pressure actuated electrical contact switch
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : SPECIAL APPLICATION : Lazy man)
Patent 5274205: Gas blast, puffer type circuit breaker with improved nozzle
(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 5274206: Spring charging mechanism for circuit breakers and transfer switches
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : CONTACT MOVED BY SUDDEN RELEASE OF STORED ENERGY, (E.G., SPRING CHARGER) : Tilting vehicle operated)
Patent 5274207: Induction heater
(ELECTRIC HEATING : INDUCTIVE HEATING : With heat exchange : Bonding)
Patent 5274208: High frequency heating apparatus
(ELECTRIC HEATING : MICROWAVE HEATING : With control system : Power switching : Temperature)
Patent 5274209: Microwave oven
(ELECTRIC HEATING : MICROWAVE HEATING : With control system : Remote (e.g., card, etc.) : Temperature)
Patent 5274210: Laser bonding highly reflective surfaces
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Welding : Condition responsive)
Patent 5274211: Beam bender support unit
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Beam position control : With sing source)
Patent 5274212: Laser processing apparatus
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Chamber : Condition responsive)
Patent 5274213: Electric welding robot and a method for welding by using the robot
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : With predetermined welding operation : In response to the transfer rate of the weld metal)
Patent 5274214: Battery powered portable cigarette lighter having a press-fitted ceramic heat concentrating and protective resistance heating filament support
(ELECTRIC HEATING : HEATING DEVICES : Resistive element: igniter type : With source of power or current : Resilient means)
Patent 5274215: Portable electric food warming apparatus having a removable tray insert
(ELECTRIC HEATING : HEATING DEVICES : Combined with container, enclosure, or support for material to be heated : With vessel : With heat storage or transfer means : Immersible)
Patent 5274216: Food rethermalizing and satelliting tray
(ELECTRIC HEATING : HEATING DEVICES : Combined with container, enclosure, or support for material to be heated : Portable or mobile : Resilient means)
Patent 5274217: Keyboard having keys with different heights
(REGISTERS : KEYBOARDS : Total printing)
Patent 5274218: Magnetic recording method and circuit for toll road ticket
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Magnetic : Raised or depressed portions on record)
Patent 5274219: Handheld laser scanner with built-in stand
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specified housing or mounting detail : Body attached : Using a moving mirror)
Patent 5274220: Data carrier
(REGISTERS : RECORDS : Holding devices)
Patent 5274221: Non-contact integrated circuit card
(REGISTERS : RECORDS : Conductive : Aligning records)
Patent 5274223: Vari-focal lens control system with lens driving and magnification lens driving means
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Automatic focus control : Using diffractometers)
Patent 5274224: Apparatus for the detection of non-focusable radiation formed by joining a plurality of image displays or shooting matrixes in a side by side
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive image detecting element arrays : With comparison)
Patent 5274225: Method of and means for controlling the electromagnetic output power of electro-optic semiconductor devices
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Special photocell or electron tube circuits : Compensation : Light amplifier type)
Patent 5274226: Optical rotary microbend position sensors having a rotatable movable shaft
(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 5274227: Capillary detector cell having imaging elements positioned to optimize sensitivity
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : With coupling enhancement means : Fluid coupling : Vacuum tube type)
Patent 5274228: Linear light source/collector with integrating cylinder and light pipe means
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : Side or edge illuminated light conductor or collector : Fluid coupling)
Patent 5274229: Absolute position encoder
(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 : Incremental shaft readers; i.e., with means to generate increments of angular shaft rotation : Position indicating shaft encoders with means to generate a unique signal for each specific angular shaft position :)
Patent 5274230: Scanning probe microscope having first and second optical waveguides
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Means for moving optical system : Light chopper type)
Patent 5274231: Method and apparatus for manipulating atoms, ions or molecules and for measuring physical quantities using stimulated Raman transitions
(RADIANT ENERGY : ELECTRICALLY NEUTRAL MOLECULAR OR ATOMIC BEAM DEVICES AND METHODS :)
Patent 5274232: Method and apparatus for manipulating atoms, ions or molecules and for measuring physical quantities using stimulated raman transitions
(RADIANT ENERGY : ELECTRICALLY NEUTRAL MOLECULAR OR ATOMIC BEAM DEVICES AND METHODS :)
Patent 5274233: Mass spectrometry method using supplemental AC voltage signals
(RADIANT ENERGY : IONIC SEPARATION OR ANALYSIS : Methods : Plural detectors)
Patent 5274234: Realization of an atomic source of metallic ions producing a surface melting by an applied electric field
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Methods : Magnetic field path-bending means)
Patent 5274235: Integrated imaging system
(RADIANT ENERGY : INFRARED-TO-VISIBLE IMAGING : Including detector array : With conveyance)
Patent 5274236: Method and apparatus for registering two images from different sensors
(RADIANT ENERGY : INFRARED-TO-VISIBLE IMAGING : Including means for scanning field of view : With conveyance)
Patent 5274237: Deicing device for cryogenically cooled radiation detector
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Semiconductor system : Temperature control or compensation system : Containing cadmium telluride)
Patent 5274238: Radiation detector direction
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Plural signalling means : With indicating or recording means)
Patent 5274239: Shielded dose calibration apparatus
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Semiconductor system : Chemiluminescent detection)
Patent 5274240: Capillary array confocal fluorescence scanner and method
(RADIANT ENERGY : LUMINOPHOR IRRADIATION : With source support)
Patent 5274241: Optical and electromagnetic field
(RADIANT ENERGY : RADIATION CONTROLLING MEANS : Shields : Having plural storage compartments or plural nested receptacles)
Patent 5274242: Selectible transport-servo velocity profile for document transport
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Controlling web, strand, strip, or sheet : Self-luminous target)
Patent 5274243: Cylindrical allumination system for inspection of sheet material
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : With indication of presence of material or feature : With foreign particle discrimination circuitry : With translucent material)
Patent 5274244: Method and apparatus for detecting bark and for determining the degree of barking on wood and chips
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : Evaluation by regions, zones, or pixels : With imaging : With moving reticle in optical path)
Patent 5274245: Optical liquid level detector using dual varying light emitters
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Fluent material in optical path : Volume or level : Tape, drum, or disc types)
Patent 5274246: Optical modulation and switching with enhanced third order nonlinearity multiple quantum well effects
(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) : Heterojunction : Quantum well : Superlattice : With particular barrier dimension :)
Patent 5274247: Optic modulator with uniaxial stress
(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) : Heterojunction : Quantum well : Superlattice : With particular barrier dimension :)
Patent 5274248: Light-emitting device with II-VI compounds
(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) : Heterojunction : Quantum well : Superlattice : With specified semiconductor materials : Si x Ge 1-x)
Patent 5274249: Superconducting field effect devices with thin channel layer
(SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS : HIGH TEMPERATURE (TC GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING : Semiconductor thin film device or thin film electric solid-state device or system (i.e., active or passive) : Having optical waveguide)
Patent 5274250: Color image sensor with light-shielding layer
(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 : In array having structure for use as imager or display, or with transparent electrode : High temperature (i.e., >30o Kelvin))
Patent 5274251: Semiconductor light emitting element
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : SPECIFIED WIDE BAND GAP (1.5EV) SEMICONDUCTOR MATERIAL OTHER THAN GAASP OR GAALAS : II-VI compound : In array having structure for use as imager or display, or with transparent electrode)
Patent 5274252: Linearizing emitted light intensity from a light-emitting device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : Plural light emitting devices (e.g., matrix, 7-segment array) : With shaped contacts or opaque masking : With heterojunction)
Patent 5274253: Semiconductor protection device against abnormal voltage
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Having only two terminals and no control electrode (gate), e.g., Shockley diode : Triggered by V BO overvoltage means : More than two heterojunctions in same device)
Patent 5274255: Structure for providing high resolution modulation of voltage potential in the vicinity of a surface
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : Plural, separately connected, gates control same channel region : With means to adjust barrier height (e.g., doping profile))
Patent 5274256: Microwave FET
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : Plural, separately connected, gates control same channel region : With means to adjust barrier height (e.g., doping profile))
Patent 5274257: Floating channel field effect transistor and a fabricating method thereof
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : With Schottky gate : Schottky gate in groove : With groove or overhang for alignment)
Patent 5274258: High density semiconductor memory device (MBC cell)
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Stacked capacitor : Parallel interleaved capacitor electrode pairs (e.g., interdigitized) : With capacitor electrodes connection portion located centrally thereof (e.g., fin electrodes with central post) :)
Patent 5274259: High voltage transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Short channel insulated gate field effect transistor : Multiple insulator layers (e.g., MNOS structure))
Patent 5274260: Semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Short channel insulated gate field effect transistor : Active channel region has a graded dopant concentration decreasing with distance from source region (e.g., double diffused device, DMOS transistor) : In integrated circuit structure : With complementary field effect transistor : Separate control electrodes for charging and for discharging floating electrode)
Patent 5274261: Integrated circuit degradation resistant structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Short channel insulated gate field effect transistor : With lightly doped portion of drain region adjacent channel (e.g., LDD structure) : All contacts on same surface (e.g., lateral structure))
Patent 5274262: SCR protection structure and circuit with reduced trigger voltage
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With overvoltage protective means : For protecting against gate insulator breakdown : Punchthrough or bipolar element : For operation as bipolar or punchthrough element)
Patent 5274263: FET structure for use in narrow bandgap semiconductors
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With means to increase breakdown voltage (e.g., field shield electrode, guard ring, etc.) : With gate electrode of controlled workfunction material (e.g., low workfunction gate material))
Patent 5274264: Defect tolerant power distribution network and method for integrated circuits
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Passive components in ICs : Including programmable passive component (e.g., fuse) : Sides of isolated semiconductor islands along major crystal planes (e.g., (111), (100) planes, etc.))
Patent 5274265: Bipolar transistor with a particular electrode structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With specified electrode means : With housing or contact (i.e., electrode) means)
Patent 5274266: Permeable base transistor having selectively grown emitter
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With base region having specified doping concentration profile or specified configuration (e.g., inactive base more heavily doped than active base or base region has constant doping concentration portion (e.g., epitaxial base)) : Including polycrystalline semiconductor as connection)
Patent 5274267: Bipolar transistor with low extrinsic base resistance and low noise
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With base region having specified doping concentration profile or specified configuration (e.g., inactive base more heavily doped than active base or base region has constant doping concentration portion (e.g., epitaxial base)) : Including polycrystalline semiconductor as connection)
Patent 5274268: Electric circuit having superconducting layered structure
(SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS : HIGH TEMPERATURE (TC GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING : Semiconductor thin film device or thin film electric solid-state device or system (i.e., active or passive) : Having optical waveguide)
Patent 5274269: Ohmic contact for p-type group II-IV compound semiconductors
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : For compound semiconductor material : For compound semiconductor material)
Patent 5274270: Multichip module having SiO.sub.2 insulating layer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Layered : Multiple metal levels on semiconductor, separated by insulating layer (e.g., multiple level metallization for integrated circuit) : Silicide of refractory or platinum group metal)
Patent 5274271: Ultra-short pulse generator
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : WAVE FORM OR WAVE SHAPE DETERMINATIVE OR PULSE-PRODUCING SYSTEMS : With capacitor : Three apertures or ladder)
Patent 5274272: Device for supplying electrical energy to a load
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Stabilized (e.g., compensated, regulated, maintained, etc.) : Using field-effect transistor : With field-effect transistor)
Patent 5274273: Method and apparatus for establishing a threshold with the use of a delay line
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Input signal compared to reference derived therefrom : Three or more inputs)
Patent 5274274: Dual threshold differential discriminator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Input signal compared to plural fixed references : Reference derived by feedback)
Patent 5274275: Comparator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Input signal compared to single fixed reference : With logic or bistable circuit)
Patent 5274276: Output driver circuit comprising a programmable circuit for determining the potential at the output node and the method of implementing the
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Bipolar transistor)
Patent 5274277: High speed "OR" circuit configuration
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Bipolar transistor)
Patent 5274278: High-speed tri-level decoder with dual-voltage isolation
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Decoding : With field-effect transistor : MOSFET)
Patent 5274279: Thin film CMOS inverter
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Field-effect transistor (e.g., JFET, etc.) : MOSFET (i.e., metal-oxide semiconductor field-effect transistor) : CMOS : Having plural output pull-up or pull-down transistors)
Patent 5274280: Semiconductor integrated circuit device having separate supply voltages for the logic stage and output stage
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Comparison between plural varying inputs : With plural paths : With single output : Cross-coupled)
Patent 5274281: Static PLA with state machine controlled by model of both minterm and an output line
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : With field effect-transistor)
Patent 5274282: Monostabilized dynamic programmable logic array in CMOS technology
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : With field effect-transistor)
Patent 5274283: Compound semiconductor integrated circuit device
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Field-effect transistor : Field effect transistor)
Patent 5274284: Output buffer circuits with controlled Miller effect capacitance
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : With conversion (e.g., three level to two level, etc.))
Patent 5274285: Enhanced differential current switch compensating upshift 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) : Complementary FET`s)
Patent 5274286: Spindle device with a built-in motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Inbuilt or incorporated unit : Heat-exchange structure)
Patent 5274287: High-speed motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Electric circuit elements : Condition responsive (e.g., position, torque, etc.) : Distributor or timer (e.g., ignition magnetos))
Patent 5274288: Low noise spin motor for use in disk drive
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Housings, windows or covers)
Patent 5274289: Butting ring for a rotor shaft
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Housings, windows or covers)
Patent 5274290: Electromagnetically operated brake
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Torque-transmitting clutches or brakes : Brake type : Magnetic bearing)
Patent 5274291: Rotary transformer with multiple angularly adjustable stators
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Plural units, structurally united : Magnetic field type)
Patent 5274292: Collector ring assembly and method
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Rotary structure : Commutators : Field-distortion)
Patent 5274293: Piezoelectric filter
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Piezoelectric slab having different resonant frequencies at different areas : Electrical output circuit)
Patent 5274294: Vibration wave driven motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with resonant structure : Direct mechanical coupling : Motor producing continual motion : Traveling wave motor : Stator : Oval track :)
Patent 5274295: 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 : Output member detail : Material or material property :)
Patent 5274296: Ultrasonic probe device
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with damping structure : On back of piezoelectric element : Detector (e.g., sensor))
Patent 5274297: Quartz resonator vibrating in a fundamental torsion mode
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Rotation of crystal axis (e.g., cut angle) : Quartz : More than one poling direction (e.g., Rosen transformer))
Patent 5274298: Spark plug having an ablative coating for anticontaminat fouling
(ELECTRIC LAMP AND DISCHARGE DEVICES : SPARK PLUGS : Shaped electrode chamber, insulator end, shell skirt, baffle or gas directing means : Gap on and along axis)
Patent 5274299: Grid controlled gas discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGING DEVICES WITH APERTURED ELECTRODE (E.G., GRID) INTERPOSED BETWEEN TWO ELECTRODES : Supporting and/or spacing elements)
Patent 5274300: Enzymatic hydrolysis of glycidate esters in the presence of bisulfite anion
(CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY : PROCESS OF UTILIZING AN ENZYME OR MICRO-ORGANISM TO DESTROY HAZARDOUS OR TOXIC WASTE, LIBERATE, SEPARATE, OR PURIFY A PREEXISTING COMPOUND OR COMPOSITION THEREFORE; CLEANING OBJECTS OR TEXTILES : Resolution of optical isomers or purification of organic compounds or composition containing same : Carbohydrate material recovered or purified)
Patent 5274301: Color cathode ray tube panel with shadow mask supports
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Shadow mask, support or shield : With resilient support : With studs : Plural layers)
Patent 5274302: Stress transparent tension mask frame member for reducing slurry particle agglutination
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Shadow mask, support or shield : With frame : With studs)
Patent 5274303: Cathode ray tube comprising a display window
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Envelope : Support)
Patent 5274304: Helix type traveling wave tube structure with supporting rods covered with boron nitride or artificial diamond
(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 5274305: Low pressure mercury discharge lamp with thermostatic control of mercury vapor pressure
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CONFINED GAS OR VAPOR-TYPE LOAD DEVICE WITH PRESSURE REGULATING MEANS : Automatic cut-out or voltage regulator in the cathode or heater circuit)
Patent 5274306: Capacitively coupled radiofrequency plasma source
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Plasma generating : With magnetic field : Thermostatic switch in the series circuit)
Patent 5274307: Single IC for CRT display control waveform generation
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Including color convergence control : Including specified signal storage (e.g., memory, register, etc.) : Interpolation : Device has a flexible wall)
Patent 5274308: Convergence correcting device
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Including color convergence control : Including core or winding structure : Adjacent to or integral with deflection winding or housing structure therefor : By multiplying of signal)
Patent 5274309: Hollow cylindrical magnetic flux source for image detectors
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : With additional control of cathode ray : With focusing of ray : Circuits control grid-cathode circuit of tube)
Patent 5274310: High-speed DC motor with added charge voltage
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)
Patent 5274311: Control system network structure
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Time-sharing or multiplexing systems : Mechanical gearing)
Patent 5274312: Method and apparatus for controlling a sliding elevator door
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With stabilizing features (e.g., anti-hunting, damping) : By auxiliary feedback loop : Rate feedback : Variable rate feedback : Including display device)
Patent 5274313: Method and arrangement for actuating electromechanical transducers
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Unwanted harmonic or voltage component elimination quadrature rejection systems : Secto-scanning systems)
Patent 5274314: Adaptive friction compensator
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With compensating features : Secto-scanning systems)
Patent 5274315: Card web comb driving system in machines for the textile industry
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular motor control system responsive to the "actuating signal" : Reciprocating or oscillating motors : Rotating amplifier (e.g., "Ward Leonard" control))
Patent 5274316: Stepper motor ramp generation
(ELECTRICITY: MOTIVE POWER SYSTEMS : OPEN-LOOP STEPPING MOTOR CONTROL SYSTEMS : Having commutating switch-type transmitter)
Patent 5274317: Single sensor current control of a multiple phase AC machine
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Responsive to motor condition : Responsive to speed or rotation phase angle : With controlled power conversion : Including inverter : Responsive to an additional condition :)
Patent 5274318: Portable wireless communication unit and method of using same
(PACKAGE AND ARTICLE CARRIERS : CARRIED BY ANIMATE BEARER : Article held by receiver : Retainer or positioner for article held by receiver : Hinged to receiver)
Patent 5274319: Rechargeable battery manager
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : MEANS TO IDENTIFY CELL OR BATTERY TYPE : Vehicle battery charging)
Patent 5274320: Method for charging radio telephone system
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : With detection of current or voltage integral (e.g., total charge, etc.) : Hysteresis type (e.g., antichattering, etc.))
Patent 5274321: Battery charger
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : Time control : Detection of current or voltage amplitude : Temperature compensation)
Patent 5274322: Alternating current generator for vehicle
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : GENERATOR CONTROL : With armature or primary circuit control : Plural armature circuits or windings : Battery source)
Patent 5274323: Control circuit for low dropout regulator
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Linearly acting : With a specific feedback amplifier (e.g., integrator, summer) : Including final control device parameter)
Patent 5274324: Hot line mountable hotline indicator having liquid crystal display with resettable memory function
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Using radiant energy : Conductive field (e.g., mercury))
Patent 5274325: Method and apparatus for electro-optic sampling measurement of electrical signals in integrated circuits
(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 electron beam probe : Of reflected test signal)
Patent 5274326: Circuit configuration for processing the output signals of a speed sensor to eliminate noise
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including speed-related frequency generator : With direction indicator)
Patent 5274327: Powder sample holding capsule holding adapter for a vibrating sample magnetometer
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Fluid material examination : Using thermionic emission)
Patent 5274328: Temperature compensation for magnetostrictive position detector
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Compensation for measurement : With axially arranged electrodes)
Patent 5274329: Method for recording spin resonance spectra and for spin resonance imaging
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : Having particular optical cell structure)
Patent 5274330: Actuating drive for a nuclear resonance spectrometer
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : Having particular optical cell structure)
Patent 5274331: MRI imaging system using a periodic bias field
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5274332: Inductively coupled multi-section radio frequency field coil for NMR
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)
Patent 5274333: Frequency balanced six-port reflectometer with a variable test port impedance
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : Scattering type parameters (e.g., complex reflection coefficient) : Field effect transistor)
Patent 5274334: Calibrated physical parameter value measurement system
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : With pulse signal processing circuit : Including charge or discharge cycle circuit : Including a tuned or resonant circuit)
Patent 5274335: Oil sensor systems and methods of qualitatively determining oil type and condition
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : With a capacitive sensing means : To determine water content : Including a tuned or resonant circuit)
Patent 5274336: Capacitively-coupled test probe
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : With a capacitive sensing means : Including a probe type structure : Including a tuned or resonant circuit)
Patent 5274337: Clock speed limiter for a microprocessor by comparing clock signal with a predetermined frequency
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By frequency : Frequency detection : With logic or bistable circuit : With transformer)
Patent 5274338: Integrated FM detector including an oscillator having a capacitor and Schmitt trigger
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : For small object detection or location : Using movable transmitter and receiver : Of the beat frequency type)
Patent 5274339: Gain compensation circuit
(AMPLIFIERS : WITH DISTRIBUTED PARAMETER-TYPE COUPLING MEANS : Distributed amplifier : Having different configurations)
Patent 5274340: Microwave multistage amplifier
(AMPLIFIERS : INVOLVING STRUCTURE OTHER THAN THAT OF TRANSFORMERS PER SE : With shielding means : Having different configurations)
Patent 5274341: High-frequency power amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including push-pull amplifier : Having field effect transistor : And particular biasing arrangement)
Patent 5274342: Microwave monolithic integrated circuit (MMIC) including distributed cascode bipolar transistor amplifier unit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including plural amplifier channels : Having frequency-responsive means or phase-shift means in feedback path)
Patent 5274343: Plural switch circuits having RF propagation networks and RF terminations
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : Including switching means : Having semiconductor operating means :)
Patent 5274344: Branch separating filter
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : For providing frequency separation : Utilizing long line element : Including waveguide element : Stripline)
Patent 5274345: Dual function reflector structures for interdigital saw transducer
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Delay lines including elastic surface wave propagation means : Including discontinuities within propagation means : Spurious signal reduction)
Patent 5274346: Integrated LC filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : Smoothing type (e.g., direct current power supply filters or decoupling filters) : Monolithic structure : Resiliently mounted components)
Patent 5274347: Coaxial fitting for microwave devices
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Digital structure : Plural mechanically coupled disk resonators)
Patent 5274348: Electromagnetic relay
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Polarity-responsive : With locking, latch or tripping structure)
Patent 5274349: Current limiting fuse and dropout fuseholder for interchangeable cutout mounting
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Cutout or disconnect type (an assembly) of a fuse support and fuse holder with or without a fuse link) : With dropout features (i.e., the fuse tube will be separated, or drop away from, at least on the main circuit contacts) : Fusible element controlled)
Patent 5274350: Shunt apparatus for current sensing and power hybrid circuits
(ELECTRICAL RESISTORS : SHUNT TYPE : Force-actuated)
Patent 5274351: Resistance unit for motor speed control
(ELECTRICAL RESISTORS : DETACHABLE PLUG-TYPE RESISTOR UNIT : Helical or wound)
Patent 5274352: Thick film resistive element, thick film printed circuit board and thick film hybrid integrated circuit device and their production methods
(ELECTRICAL RESISTORS : WITH BASE EXTENDING ALONG RESISTANCE ELEMENT : Resistance element and/or terminals printed or marked on base : Element extends in or through openings or grooves in frame or support)
Patent 5274353: Anti-theft device
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Of motorcycles or bicycles : Intersection turn guidance)
Patent 5274354: Security device
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : With entrance/exit time delay : Intersection turn guidance)
Patent 5274355: System for monitoring pressure and temperature of pneumatic tires on a moving vehicle
(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 : Relative wheel speed)
Patent 5274356: Methods and apparatus for the inspection of air cargo for bombs
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Testing : Simulation of condition : Vertical axis)
Patent 5274357: Combined alarm system and window covering assembly
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Partition penetration : Plural doors or windows)
Patent 5274358: Personal safety device having microprocess control and method for operating the same
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Holdup : Specified device housing or attachment means)
Patent 5274359: Portable water activated alert system with directional indicator
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Water safety alarm : Specified device housing or attachment means)
Patent 5274360: Method of detecting positional dislocation of camera
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Position responsive : Cranes)
Patent 5274361: Laser optical mouse
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Optical detector : Photosensor encoder)
Patent 5274362: Electronic blackboard interface
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : With alignment or calibration capability (i.e., parallax problem) : Optical detector)
Patent 5274363: Interactive display system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL DISPLAY SYSTEMS : Remotely located : Including priming means)
Patent 5274364: Window clipping method and device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Clipping : Based on image data : Non-rectangular array : Plural look up tables)
Patent 5274365: Method and apparatus for minimizing the visual degradation of digital typefaces-character analysis
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Character generating : Alteration of stored font : Scaling : Scrolling)
Patent 5274366: Driving circuit for liquid crystal 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) : Light-controlling display elements : Liquid crystal display elements (LCD) : Grouped electrodes (e.g., matrix partitioned into sections) : Particular row or column control (e.g., shift register))
Patent 5274367: Device for in-service monitoring of communication transmission equipment
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Monitoring in addition to control (e.g., supervisory) : Fault condition detection : Collision avoidance)
Patent 5274368: Method and apparatus for controlling access to a communication system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Amplitude or polarity controlled)
Patent 5274369: Radio paging receiver consuming less electric power
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Power control or battery saving : Message input)
Patent 5274370: Reduced indicia high security locks
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Manual code input : Password : Image (e.g., fingerprint, face))
Patent 5274371: Extended time-shared scanning keyboard interface
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : With particular key scanning feature : With rollover feature (i.e., antidoublestrike))
Patent 5274372: Sampling rate conversion using polyphase filters with interpolation
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Data rate conversion : Binary to or from ternary)
Patent 5274373: Digital analog converter
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)
Patent 5274374: Analog-to-digital converter having multi-bit cascaded sigma-delta loops with delaying intergrators
(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 5274375: Delta-sigma modulator for an analog-to-digital converter with low thermal noise performance
(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 5274376: Multi-mode digital to analog converter and method
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Using charge coupled devices or switched capacitances : With rollover feature (i.e., antidoublestrike))
Patent 5274377: Pipelined A/D converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Acting sequentially : Including priority encoder)
Patent 5274378: Docking velocity indicator system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : BERTHING OR DOCKING : Detection of surveilance)
Patent 5274379: Optical identification friend-or-foe
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : IFF or SIF : With defruiting or degarbling)
Patent 5274380: FM-CW radar
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS EXTERNAL DEVICE : Radar mounted on and controls land vehicle : With terrain avoidance or alarm)
Patent 5274381: Optical controller with independent two-dimensional scanning
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : Eliptical)
Patent 5274382: Antenna system for tracking of satellites
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including antenna orientation : With satellite signal correction)
Patent 5274383: Jammer signal rejection arrangement for a phased antenna array
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a matrix : Controlled)
Patent 5274384: Antenna beamformer
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a matrix : Controlled)
Patent 5274385: Optical time delay units for phased array antennas
(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 5274386: Reduced hardware antenna beamformer
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Utilizing correlation techniques : Side lobe elimination : Sum of each antenna channel signal : Satellite selection (i.e., tracking or acquisition))
Patent 5274387: Navigation apparatus for vehicles
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : By computer : Having a moving antenna)
Patent 5274388: Antenna device
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Plural separate diverse type : Light)
Patent 5274389: Broadband direction finding system
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With spaced or external radio wave refractor (e.g., lens) : With scanning, sweeping, or orienting : With feedback)
Patent 5274390: Frequency-Independent phased-array antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Logarithmically periodic : Doublet type)
Patent 5274391: Broadband directional antenna having binary feed network with microstrip transmission line
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Balanced doublet - centerfed (e.g., dipole) : With coupling network or impedance in the leadin : With reflector and director)
Patent 5274392: Tilted antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Loop type : Balanced coupling network to balanced antenna)
Patent 5274393: Adjustable helical antenna for a VHF radio
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Spiral or helical type : Antenna on bracket)
Patent 5274394: Electronic adjustment of slow scan image registration in an image recording apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Driving circuitry : Including switching means)
Patent 5274395: Thermal transfer recording apparatus switchable between sublimable and fusible ink sheets
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Gradational recording : Sequentially)
Patent 5274396: Bar code printing apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Synchronization of light with medium : Including switching means)
Patent 5274397: Large-format plotter using segmented raster-scanning
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Record receiver or conveyor means therefor : Lens)
Patent 5274398: Image forming device
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Multicolor : Having deflecting means)
Patent 5274399: Recording apparatus with shiftable conveying unit
(RECORDERS : RECORD RECEIVERS AND/OR DRIVING MEANS THEREFOR : Receiver, only movable during recording)
Patent 5274400: Ink path geometry for high temperature operation of ink-jet printheads
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : Color type : Movement)
Patent 5274401: Electrostatic printhead
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Specific electrostatic head : Printed circuit or wiring : Block driving)
Patent 5274402: Image forming apparatus with fixer temperature control
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Beam generator driving means : Having feedback or environmental control : Modified or specific fluid (e.g., heated, dehumidified, specified gas))
Patent 5274403: Lens useful in inhibiting the production of melatonin and lens produced thereby
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With antiglare or shading : Removable and/or adjustable filters or screens (e.g., clip-on type) : Having support or cabinet)
Patent 5274404: Molded eyeglasses with molded in bridge
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Bridges : Flexible : Screwless lens mounting)
Patent 5274405: Wide angle viewing system
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Combined : Neck retainers)
Patent 5274406: Image projecting device
(OPTICS: IMAGE PROJECTORS : DISTORTION COMPENSATION : For projection axis inclined to screen : Cabinet encloses projector and one side of screen)
Patent 5274407: Camera
(PHOTOGRAPHY : WITH FILM DRIVE : Having significant electronic circuit detail : Rewind)
Patent 5274408: Electronic camera
(PHOTOGRAPHY : WITH FILM DRIVE : Having significant electronic circuit detail : Rewind : Having film transport mechanism locked by perforation sensing pawl)
Patent 5274409: Camera with multiple lens driving modes
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Having focus operation : Constant image size)
Patent 5274410: Camera having a lens barrier which is opened only during photographing
(PHOTOGRAPHY : CAMERA DETAIL : Lens cover : Shutter charging lever on lens housing)
Patent 5274411: Shutter release
(PHOTOGRAPHY : CAMERA DETAIL : Shutter : Release or actuator means : Plural oscillating blades)
Patent 5274412: Film cassette with frangible spool lock and cam
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Film cassette or cartridge : Film or spool locking means : Opposite movement)
Patent 5274413: Mount assembly of optical devices
(PHOTOGRAPHY : CAMERA DETAIL : Lens mount : Plate or cut film holder)
Patent 5274414: Camera having a varifocal lens
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Having focus operation : Constant image size)
Patent 5274415: Range finder for passive type autofocussing device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Processing circuit : Image correlation type : Mirror type)
Patent 5274416: Photographing lens
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Lens characteristic compensating : Having position sensor)
Patent 5274417: Exposing apparatus and method of forming image
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : With temperature or foreign particle control : And film severing)
Patent 5274418: Image processing system
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Regulating light intensity or exposure time)
Patent 5274419: Camera and photosensitive material feed unit useful therefor
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Original moves continuously : Reflector between original and photo-sensitive paper : Reflector between original and photo-sensitive paper)
Patent 5274420: Beamsplitter type lens elements with pupil-plane stops for lithographic systems
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Reflector between original and photo-sensitive paper)
Patent 5274421: Image forming apparatus having auto/manual exposure amount setting mode changing means
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Electricity to lamp controlled : Vertical optical path)
Patent 5274422: Print processing method
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Methods : Including vacuum, fluid or spring pressure)
Patent 5274423: Image forming apparatus having temperature control at a fixing unit
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of fixing : Temperature control : Detection of toner in developing unit)
Patent 5274424: Image forming apparatus controlled according to smallest non-zero toner density
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Of plural processes : Having detection of toner (e.g., patch) : By concentration detector)
Patent 5274425: Toner sealing material
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Seal : Developer seal : Toner cartridge : Optical detector)
Patent 5274426: Developing apparatus and developer carrying member therefor
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Sleeve : Having stationary magnet)
Patent 5274427: Scanning exposure apparatus having cutting structure for severing photosensitive web
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Photoconductive member : Belt : Alignment or tensioning : Toner cartridge)
Patent 5274428: Single pass direct transfer color printer
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Color : From multiple positions : Having electrode)
Patent 5274429: Distance measuring device
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : Triangulation ranging to a point with one projected beam : Using a source beam with a fixed axial direction or plane : With a single staring photodetector having one element :)
Patent 5274430: Process and a system for taking distance images
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having one or more return pulse gates or windows : Including a displayed image :)
Patent 5274431: Method and apparatus for counting particles
(OPTICS: MEASURING AND TESTING : WITH SAMPLE PREPARATION : By light interference detector (e.g., interferometer))
Patent 5274432: Tow vehicle alignment method and apparatus
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Prism engaging specimen)
Patent 5274433: Laser-based wheel alignment system
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : With screen : Wheel alignment : Gyroscope or pendulum stabilized optical element)
Patent 5274434: Method and apparatus for inspecting foreign particles on real time basis in semiconductor mass production line
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Surface condition : Detection of object or particle on surface : On patterned or topographical surface (e.g., wafer, mask, circuit board) : Contained)
Patent 5274435: Grating monochromators and spectrometers based on surface normal rotation
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrometer : Having diffraction grating means : Prior to testing)
Patent 5274436: Laser interferometer for measuring distance using a frequency difference between two laser beams
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having light beams of different frequencies (e.g., heterodyning) : For dimensional measurement (e.g., thickness gap, alignment, profile) : Displacement or distance : Polarization : With specific counter type timing of returns)
Patent 5274437: Apparatus and procedure for measuring the cross-section of a hollow space
(OPTICS: MEASURING AND TESTING : SHAPE OR SURFACE CONFIGURATION : Triangulation : Line of light projected : Pattern is series of non-intersecting lines)
Patent 5274438: Can-measuring densitomer
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : With registration indicia (e.g., scale))
Patent 5274439: Apparatus for clipping or limiting color signals to maintain color balance
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance signal amplitude control (e.g., saturation) : Including chrominance signal amplitude control)
Patent 5274440: Automatic white balance control apparatus capable of performing white balance with a subject of a monochromatic color other than white
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Color balance or temperature (e.g., white balance) : By phase change of chrominance signal or subcarrier)
Patent 5274442: Adaptive blocking image signal coding system
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Transform : Discrete cosine : Half-pixel refinement)
Patent 5274443: Moving picture image encoder with continuously changing quantization step size
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)
Patent 5274444: Video signal processor
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Subsampling : Discrete cosine)
Patent 5274445: Three-dimensional testing of video codes
(TELEVISION : MONITORING, TESTING, OR MEASURING : Test signal generator : Color match comparator)
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