Patents 5051574 - 5051826

 

 

Patent 5051574: Optical coordinate detection apparatus
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Controlled by article, person, or animal : Volume or level)

Patent 5051575: Optical surface roughness measuring apparatus using double-focus lens for producing parallel and converged beams for measurement
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Polarizing : Inanimate article)

Patent 5051576: Finger surface image enhancement having a liquid layer on the finger touching surface of the platen
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : Electronic switch)

Patent 5051577: Faraday effect current sensor having two polarizing fibers at an acute angle
(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) : Causing polarization change in fiber : Vacuum tube type)

Patent 5051578: Self calibrating fiber optic sensor system with optimized throughput
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : With spectral frequency/wavelength discrimination : Keyboard or other manual switch controlled)

Patent 5051579: Optical scale encoder with light intensity alarm
(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 : Using phase difference of output signals from plural photodetectors :)

Patent 5051580: Neutral particle beam velocity vector sensing system
(RADIANT ENERGY : ELECTRICALLY NEUTRAL MOLECULAR OR ATOMIC BEAM DEVICES AND METHODS :)

Patent 5051581: Method and apparatus for epithermal neutron porosity well logging
(RADIANT ENERGY : GEOLOGICAL TESTING OR IRRADIATION : Well testing apparatus and methods : Plural detectors : With spacing or direction of detectors : With detection in plural consecutive time intervals)

Patent 5051582: Method for the production of size, structure and composition of specific-cluster ions
(RADIANT ENERGY : IONIC SEPARATION OR ANALYSIS : Methods : With collection of ions : With spacing or direction of detectors)

Patent 5051583: Atmospheric pressure ionization type mass spectrometer
(RADIANT ENERGY : IONIC SEPARATION OR ANALYSIS : With sample supply means : With time-of-flight indicator)

Patent 5051584: Plasma mass spectrometer
(RADIANT ENERGY : IONIC SEPARATION OR ANALYSIS : With sample supply means : With time-of-flight indicator)

Patent 5051585: Apparatus and method of pattern detection based on a scanning transmission electron microscope
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Radioactive tracer methods)

Patent 5051586: Corona charging of plastic and apparatus therefor
(RADIANT ENERGY : CORONA IRRADIATION : Thermal copying of documents)

Patent 5051587: Radiation image read-out method
(RADIANT ENERGY : SOURCE WITH RECORDING DETECTOR : Using a stimulable phosphor : With image read-out : For specialized application)

Patent 5051588: Radiation image read-out apparatus
(RADIANT ENERGY : SOURCE WITH RECORDING DETECTOR : Using a stimulable phosphor : With image read-out : Including emission detection : With adjustment of conditions :)

Patent 5051589: Stimulable phosphor sheet and energy subtraction processing method using the same
(RADIANT ENERGY : SOURCE WITH RECORDING DETECTOR : Using a stimulable phosphor : With conveying means)

Patent 5051590: Fiber optic flame detection and temperature measurement system having one or more in-line temperature dependent optical filters
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With selection of plural discrete wavelengths or bands : Including temperature determining means : With adjustment of conditions)

Patent 5051591: Reflective chopper for infrared imaging systems
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With periodic beam varying means : With periodic beam varying means)

Patent 5051592: Photoconductive detectors of ionizing radiation, and methods of implementation
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Including a radiant energy responsive gas discharge device : With periodic electrode bias supply : Spark chambers)

Patent 5051593: Electrostatic multipole lens for charged-particle beam
(RADIANT ENERGY : WITH CHARGED PARTICLE BEAM DEFLECTION OR FOCUSSING : Housings (in addition to cell casing))

Patent 5051594: Fine positioning device, as for the stage of a scanning tunneling microscope
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Analyte supports : With object moving or positioning means : With detector)

Patent 5051595: Fiber optic flame detection and temperature measurement system employing doped optical fiber
(RADIANT ENERGY : LUMINOPHOR IRRADIATION : With source support)

Patent 5051596: Autography marking tape
(RADIANT ENERGY : LUMINOPHOR IRRADIATION : With source support)

Patent 5051597: Radiation dosage indicator
(RADIANT ENERGY : INVISIBLE RADIATION RESPONSIVE NONELECTRIC SIGNALLING : Optical change type : Reticles, gun sights or with optical element)

Patent 5051598: Method for correcting proximity effects in electron beam lithography
(RADIANT ENERGY : IRRADIATION OF OBJECTS OR MATERIAL : Irradiation of semiconductor devices : With optical member of material to directly modify luminous energy)

Patent 5051599: Device for recognizing the impact site of a charge carrier beam on a target
(RADIANT ENERGY : MEANS TO ALIGN OR POSITION AN OBJECT RELATIVE TO A SOURCE OR DETECTOR : Luminescent device)

Patent 5051600: Particle beam generator
(RADIANT ENERGY : IRRADIATION OF OBJECTS OR MATERIAL : Ion or electron beam irradiation : Photocathode projection)

Patent 5051601: Electronic apparatus with light communication
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Signal isolator : Controlling light source intensity)

Patent 5051602: Optical system and method for sample analyzation
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : Detection of diffuse light : With plural detectors)

Patent 5051603: Method and apparatus for matching turn-off times of parallel connected semiconductor switching devices
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Diverse or unlike electrical characteristics : Differing frequencies : With intervening dynamoelectric machine)

Patent 5051604: Electrically normally closed switch device
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Plural switches : Selectively actuated : Attainment of voltage, frequency or phase relationship)

Patent 5051605: Switch for electronic sports equipment
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Condition responsive : Selectively actuated)

Patent 5051606: Method of connecting and disconnecting a board in a hot state
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : With operation facilitating feature : Miscellaneous)

Patent 5051607: Switch time delay apparatus
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Switch actuation : With time delay or retardation means : Polarity reversing)

Patent 5051608: Circuit arrangement for supplying a periodic, substantially parabolic signal
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Generating parabolic or hyperbolic output : Frequency multiplication (e.g., harmonic generation, etc.))

Patent 5051609: Simplified driver circuit for solid-state power switches
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Current driver : Having semiconductive load : Sample and hold)

Patent 5051610: SR latch circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Circuit having only two stable states (i.e., bistable) : Including field-effect transistor : CMOS : With digital element)

Patent 5051611: Power-up circuit with hysteresis for an output buffer
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Reset (e.g., initializing, starting, stopping, etc.) : Responsive to power supply : Selective)

Patent 5051612: Prevention of parasitic mechanisms in junction isolated devices
(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 : Hyperconductive diode)

Patent 5051613: Low voltage DC one-shot circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Power conservation or pulse type : Using field-effect transistor)

Patent 5051614: Dropout detecting apparatus
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Phase shift by less than period of input : Quadrature related (i.e., 90 degrees) : With passive time delay element)

Patent 5051615: Monolithic resistor comparator 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 5051616: Zero crossing detector arrangements
(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 : Reference level crossover detecting : Zero crossover : Cross-coupled)

Patent 5051617: Multilayer semiconductor waveguide device for sum frequency generation from contra-propagating beams
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Harmonic generator : Magneto-optic crystal material)

Patent 5051618: High voltage system using enhancement and depletion field effect transistors
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Signal level or switching threshold stabilization : With field effect-transistor : With clocking)

Patent 5051619: Predrive circuit having level sensing control
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : ACCELERATING SWITCHING : Parasitic prevention in integrated circuit structure)

Patent 5051620: Precharged logic systems with protection against current leakage
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : CLOCKING OR SYNCHRONIZING OF LOGIC STAGES OR GATES : Field-effect transistor : Two or more clocks (e.g., phase clocking, etc.) : MOSFET : Having plural output pull-up or pull-down transistors)

Patent 5051621: Area-efficient low-power bipolar current-mode logic
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Bipolar transistor (e.g., RTL, DCTL, etc.) : Emitter-coupled or emitter-follower logic : Current mode logic (CML) : Having plural output pull-up or pull-down transistors)

Patent 5051622: Power-on strap inputs
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Having details of setting or programming of interconnections or logic functions : With field effect-transistor)

Patent 5051623: TTL tristate circuit for output pulldown transistor
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : TRI-STATE (I.E., HIGH IMPEDANCE AS THIRD STATE) : With field-effect transistor)

Patent 5051624: High speed level converter to convert a TTL logic signal to a CMOS logic 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) : Field-effect transistor (e.g., JFET, MOSFET, etc.) : TTL to/from MOS : TTL to/from CMOS :)

Patent 5051625: Output buffer circuits for reducing noise
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Output switching noise reduction : With field effect-transistor : Depletion or enhancement)

Patent 5051626: Buffer circuit for logic level conversion
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Logic level shifting (i.e., interface between devices of different logic families) : Field-effect transistor (e.g., JFET, MOSFET, etc.) : ECL to/from GaAs FET (e.g., MESFET, etc.) :)

Patent 5051627: Superconducting nonhysteretic logic design
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SUPERCONDUCTOR (E.G., CRYOGENIC, ETC.) : Tunneling device : Josephson tunneling device : Plural devices (e.g., distributive device, etc.) :)

Patent 5051628: Integrated filter circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Unwanted signal suppression : Active filter : Adjustable : With field-effect transistor)

Patent 5051629: Signal delay and reproduction device and method
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Single output with variable or selectable delay : Having specific active circuit element or structure(e.g., FET, complementary transistors, etc.))

Patent 5051630: Accurate delay generator having a compensation feature for power supply voltage and semiconductor process variations
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Including significant compensation (e.g., temperature compensated delay, etc.) : Non-overlapping)

Patent 5051631: Electromagnetic solenoid valve with variable force motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Solenoid and core type : Sphere or hemisphere)

Patent 5051632: Assembling electric motors with reduced end-play
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With assembling, metal casting or machining feature : Solenoid and core)

Patent 5051633: Multipolar stepping motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Magnetic motors : Step-by-step : Successively energized solenoid coils)

Patent 5051634: Motor stator heat spike
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Cooling or fluid contact : Circulation : Heat-exchange structure : Hollow passages)

Patent 5051635: Ball-splined shaft assembly
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Drive mechanism : Motion conversion : Distributor or timer (e.g., ignition magnetos))

Patent 5051636: Dynamic electric machine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Housings, windows or covers)

Patent 5051637: Flux control techniques for magnetic bearing
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Magnetic bearing : Impulse coupling)

Patent 5051638: Magnetically variable air resistance wheel for exercise devices
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Torque-transmitting clutches or brakes : Magnetic field type : Induced or eddy current type : Impulse coupling)

Patent 5051639: Y-delta conversion switches on dual stator induction motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Plural units, structurally united : Magnetic field type)

Patent 5051640: Heteropolar excited synchronous machine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : A.C. : Synchronous : Squirrel cage)

Patent 5051641: Transversal flow machine in accumulator arrangement
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : A.C. : Synchronous : Reaction type : Including a flux barrier)

Patent 5051642: Apparatus for fixing the winding ends of a stator winding in a dynamo-electrical machine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Stator structure : Frame and core type : End turn supports : With composition feature)

Patent 5051643: Electrostatically switched integrated relay and capacitor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Charge accumulating : Electrostatic :)

Patent 5051644: Electrode structure with constant velocity and predetermined reflectivity
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Surface acoustic wave devices : Interdigitated electrodes :)

Patent 5051645: Acoustic wave H.sub.2 O phase-change sensor capable of self-cleaning and distinguishing air, water, dew, frost and ice
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Surface acoustic wave devices : Interdigitated electrodes : Grating or reflector in wave path :)

Patent 5051646: Method of driving a piezoelectric scanner linearly with time
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Electrical systems : Input circuit for mechanical output from piezoelectric element : Charging and discharging)

Patent 5051647: Ultrasonic motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with resonant structure : Direct mechanical coupling : Motor producing continual motion : Langevin or pencil type motor : Specific material or composition)

Patent 5051648: Flat type low pressure gas discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH TEMPERATURE MODIFIER : Having control means for the temperature modifier : Plural control electrode units)

Patent 5051649: Arc discharge lamp with liquid metal and heating means
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH TEMPERATURE MODIFIER : Electric heater : Plural control electrode units)

Patent 5051650: Ultraviolet-suppressed light source, coating agent used in the same, and method for manufacturing the 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 5051651: Ignition plug with a hollow cylindrical ground electrode and an ignition process by the use thereof
(ELECTRIC LAMP AND DISCHARGE DEVICES : SPARK PLUGS : Ring or disk electrode (e.g., sector) : Non-shortest line spark and surface spark type)

Patent 5051652: Panel with anti-reflective multi-layered film thereon
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Envelope : Coating or shielding : Light conducting fiber or rod)

Patent 5051653: Silicon dioxide selectively reflecting layer for mercury vapor discharge lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : With protective coating or filter : Plural)

Patent 5051654: Electroluminescent lamp and method of manufacture
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Solid-state type : Plural layers : Organic phosphor)

Patent 5051655: Electrodes for single ended arc discharge tubes
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Having particular electrode structure : Coil type)

Patent 5051656: Travelling-wave tube with thermally conductive mechanical support comprising resiliently biased springs
(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 5051657: Safety filament assembly for double-enveloped arc 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 5051658: Electric high-pressure discharge lamp for use as a motor vehicle headlamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : SPECIAL APPLICATION : Vehicle : Head light systems : Steering mechanism controlled)

Patent 5051659: Bulk plasma generation
(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 5051660: Circuit arrangement for operating a gas discharge lamp on a direct-current source
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Periodic switch in the primary circuit of the supply transformer : Periodic switch selectively connectable to plural load device circuits)

Patent 5051661: Protective circuit for fluorescent lamp stabilizer
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Periodic switch cut-out : Condenser or inductance in the primary circuit)

Patent 5051662: Fluorescent lamp system
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : With power factor control device : Strobe lights)

Patent 5051663: Electrodeless lamp with improved bulb mounting arrangement
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Induction-type discharge device load : Strobe lights)

Patent 5051664: Ignitor circuit for discharge lamps with novel ballast
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Transformer in the supply circuit : Three or more coil-type transformers : With condenser in the control circuit)

Patent 5051665: Fast warm-up ballast for arc discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Periodic-type current and/or voltage regulator in the supply circuit : Variable inductance)

Patent 5051666: Circuit for starting and operating a gas discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Automatic regulation : Plural field-type generator)

Patent 5051667: Arc interrupting lamp ballast
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Automatic regulation : Plural field-type generator)

Patent 5051668: Sine wave deflecting 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 5051669: Voice coil motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : RECIPROCATING OR OSCILLATING MOTOR : Thermoelectric motor)

Patent 5051670: Aircraft DC starter-generator torque controller
(ELECTRICITY: MOTIVE POWER SYSTEMS : LIMITATION OF MOTOR LOAD, CURRENT, TORQUE OR FORCE (E.G., PREVENTING OVERLOAD) : Control of motor load or device driven)

Patent 5051671: Proximity sensor and control
(ELECTRICITY: MOTIVE POWER SYSTEMS : AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) : Movement, position, or limit-of-travel : In excess of a predetermined valve)

Patent 5051672: Automatic window/door system
(ELECTRICITY: MOTIVE POWER SYSTEMS : AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) : Movement, position, or limit-of-travel : Limit-of-travel control means : Overloading limit-of-travel-type control means : Voltage and current (e.g., watts))

Patent 5051673: Patient support structure
(ELECTRICITY: MOTIVE POWER SYSTEMS : AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) : Pressure in a fluid or granular material : Voltage)

Patent 5051674: Apparatus for preventing an overrun of a spindle motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Adaptive or optimizing systems including "bang-bang" servos : Mechanical gearing)

Patent 5051675: Direct teaching type robot
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : With program recording or composing means : Gearing)

Patent 5051676: Robot program checking method
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : With program recording or composing means : Multifunction manipulator (i.e., Robot) : With reliability enhancement means (e.g., monitoring, redundant circuits, etc.) : Including program modification)

Patent 5051677: Apparatus for processing rotary member
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Digital or numerical systems : Contouring systems : With interpolating means : Including display device)

Patent 5051678: Drive device for a reciprocating part
(ELECTRICITY: MOTIVE POWER SYSTEMS : OPEN-LOOP STEPPING MOTOR CONTROL SYSTEMS : Having commutating switch-type transmitter)

Patent 5051679: Step motor control device
(ELECTRICITY: MOTIVE POWER SYSTEMS : OPEN-LOOP STEPPING MOTOR CONTROL SYSTEMS : Having commutating switch-type transmitter)

Patent 5051680: Simple starting sequence for variable reluctance motors without rotor position sensor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SYNCHRONOUS MOTOR SYSTEMS : Hysteresis or reluctance motor systems : Cyclically varying or repeated speed schedules)

Patent 5051681: Electronic circuit for a single phase induction motor starting
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Starting control : Operating from a single phase source : Start winding removed during running operation : By electronic switch : Plural switches connected in series)

Patent 5051682: System for detecting load on generator
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : WITH SIGNALS, INDICATORS, RECORDERS, TESTING, ETC. : With armature or primary circuit control)

Patent 5051683: Reactive power controller without initial abrupt disturbance on power source
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : FOR REACTIVE POWER CONTROL : Using converter :)

Patent 5051684: Three-phase voltage stiff convertor
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : FOR REACTIVE POWER CONTROL : Using converter :)

Patent 5051685: Waveform corrector
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : FOR REACTIVE POWER CONTROL : Using impedance :)

Patent 5051686: Bandgap voltage reference
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : To derive a voltage reference (e.g., band gap regulator) : Including a ferrocapacitor across a tertiary winding)

Patent 5051687: Transimpedance circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : INCLUDING A TRANSFORMER OR AN INDUCTOR : With compensation : For current transformer : Selective)

Patent 5051688: Crossed coil meter driving device having a plurality of input parameters
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Plural active motor elements (e.g., for two crossed pointers) : Ratio)

Patent 5051689: Test head with improved shielding
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Using electro-optic device)

Patent 5051690: Apparatus and method for detecting vertically propagated defects in integrated circuits
(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 5051691: Zero power dissipation laser fuse signature circuit for redundancy in vlsi design
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Fuse : Transformer)

Patent 5051692: Processing apparatus for measuring the speed of a rotating body
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including speed-related frequency generator : Including radiant energy detector : Permanent magnet type)

Patent 5051693: Bearing seat encoder mount for rotational parameter sensor apparatus
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensed object : Magnetoresistive)

Patent 5051694: Device having oppositely spaced coils for determining a shape of screw parts
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : Plural magnetic fields in material : With backing member)

Patent 5051695: Thin film vector magnetometer
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetometers : Thin film magnetometers : Plural sensors)

Patent 5051696: Surface testing device with reciprocating sensor
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetic test structure elements : With support for article)

Patent 5051697: Flow angiology with static signal suppression
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Determine fluid flow rate : Having particular optical cell structure)

Patent 5051698: NMR imaging systems
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5051699: Magnetic resonance imaging system
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5051700: Feedback circuit for noiseless damping of the Q of an MRI receiver coil antenna
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Electronic circuit elements : With homogeneity control)

Patent 5051701: Pyroelectric sensing apparatus substantially independent of noise output caused by mechanical shock or electrical shock
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : EXTERNAL EFFECT : Temperature : With compensation for temperature fluctuations : Inverse parallel connection)

Patent 5051702: Automatic phase controlling circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With feedback : Phase lock loop : Phase lock loop)

Patent 5051703: FM demodulator with tracking filter
(DEMODULATORS : FREQUENCY MODULATION DEMODULATOR : Having specific distortion, noise or other interference prevention, reduction or compensation : Using feedback to reduce distortion, noise or other interference : With parallel signal combiners (e.g., Costas loop))

Patent 5051704: Feedforward distortion cancellation circuit
(AMPLIFIERS : WITH PILOT FREQUENCY CONTROL MEANS : Having signal applied to magnetic means)

Patent 5051705: Gain-tilt amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including field effect transistor : Having transformer)

Patent 5051706: High frequency power amplifier circuit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including field effect transistor : Having transformer)

Patent 5051707: Gain control circuit for amplifier having stepwise variable gain
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including gain control means : And significant control voltage developing means : To eliminate crossover distortion)

Patent 5051708: Amplifier arrangement with output power boosting
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including particular power supply circuitry : Having frequency-responsive means or phase-shift means in feedback path)

Patent 5051709: Saw device tapped delay line and equalizer
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Equalizers : Having long line elements)

Patent 5051710: Variable Z.sub.o transmission line transformer
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : With impedance matching : Control of delay with semiconductive means)

Patent 5051711: Variable bandwidth crystal filter with varactor diodes
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Using bulk mode piezoelectric vibrator : With means for varying response : Resiliently mounted components)

Patent 5051712: LC filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : Having significant physical structure : Monolithic structure)

Patent 5051713: Waveguide filter with coupled resonators switchably coupled thereto
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Waveguide : Including directly coupled resonant sections : Monolithic structure)

Patent 5051714: Modular resonant cavity, modular dielectric notch resonator and modular dielectric notch filter
(WAVE TRANSMISSION LINES AND NETWORKS : RESONATORS (DISTRIBUTED PARAMETER TYPE) : Cavity resonator : With tuning)

Patent 5051715: Coupling-out window for linearly polarized microwaves
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Waveguide elements and components : Window : Having movable element)

Patent 5051716: Method of manufacturing of an electromagnetic relay and relay obtained thereby
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : Core or pole shape, structure or material : Balls, filings or granular material)

Patent 5051717: High limit thermostat apparatus
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : THERMALLY ACTUATED SWITCHES : With bimetallic element : Housing, casing or support structure : With position adjusting means)

Patent 5051718: Thermistor element and gas sensor using the same
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Gas, vapor, or moisture absorbing or collecting : Superconductors)

Patent 5051719: Thick-film non-step resistor with accurate resistance characteristic
(ELECTRICAL RESISTORS : MECHANICALLY VARIABLE (E.G., RHEOSTAT) : Movable contact electrically adjustable over length of resistance element : Contact slides along in contact with element : Contact angularly slidable : Rectilinearly operated)

Patent 5051720: Remote control system using power line of remote site
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal over power line : Modulation technique : With independent manual controller)

Patent 5051721: Supplemental turn signal apparatus for vehicles
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External signal light system : Turn signal : Portable signal)

Patent 5051722: Central address and programming unit for fire alarm detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Selection from a plurality of sensed conditions : Condition position indicator : Combined for response)

Patent 5051723: Signalling system with ambient condition reference monitoring
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Responsive to intruder energy : Vibration : Fence)

Patent 5051724: Key security device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Responsive to intruder energy)

Patent 5051725: Security container
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Alarm on protected article : Specified connector (e.g., phone jack-type plug))

Patent 5051726: Electronic article surveillance system with antenna array for enhanced field falloff
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Detectable device on protected article (e.g., "tag") : Specified antenna structure : Fence)

Patent 5051727: Shoplifting detection system of the transmission type
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Detectable device on protected article (e.g., "tag") : Specified processing arrangement for detected signal : Fence)

Patent 5051728: Music poster
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : System having rectifier)

Patent 5051729: Pressure responsive encoder
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Pressure : Liquid)

Patent 5051730: Circuit arrangement for charging rectifiers for DC energy storage devices in telecommunications systems, particularly telephone switching
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Gas)

Patent 5051731: Blown circuit breaker indicator with light emitting diode
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Fuse or circuit breaker : Wet cell type)

Patent 5051732: Power outlet ground integrity and wriststrap monitor circuit
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Undesired circuit ground or short : Thermal or magnetic current sensors)

Patent 5051733: High voltage indicator device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Electrical characteristic : Voltage : Electrical socket)

Patent 5051734: Special effects using polar image coordinates
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Addressing : Address manipulation : Address translation (e.g., between virtual and physical addresses) : Photosensor encoder)

Patent 5051735: Heads-up display system for a road vehicle
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Three-dimensional arrays)

Patent 5051736: Optical stylus and passive digitizing tablet data input system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Light pen for CRT display : With alignment or calibration capability (i.e., parallax problem))

Patent 5051737: Efficient graphics process for clipping polygons
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Clipping : Based on model of objects : Testing or using bounding shape (e.g., bounding box sphere) : Plural look up tables)

Patent 5051738: Imaging system
(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) : Solid body light emitter (e.g., LED) : Optical addressing (e.g., photodetection))

Patent 5051739: Driving circuit for an image display apparatus with improved yield and performance
(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) : Control means at each display element : Including transformer)

Patent 5051740: Paging terminal
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Paging terminal (i.e., element prior to the transmitter) : Queuing : Zoned)

Patent 5051741: Locating system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Location indication : Housing detail)

Patent 5051742: Queueing protocol
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Lockout or priority (programmed or variable) : Location indication)

Patent 5051743: High precision, high frequency current sensing and analog signal decoding network
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With calibration : Having plural transmitters)

Patent 5051744: Boat alarm system
(COMMUNICATIONS: ELECTRICAL : WATERCRAFT ALARM OR INDICATING SYSTEMS : Obstruction beacon)

Patent 5051745: String searcher, and compressor using same
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Adaptive coding : Pressure sensitive actuation)

Patent 5051746: Interpolation circuit for use in an A/D converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Parallel type :)

Patent 5051747: Interface for cables
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADIO WAVE ABSORBER :)

Patent 5051748: Device for transmitting and receiving microwave radiation, for forming images of buried objects
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : TRANSMISSION THROUGH MEDIA OTHER THAN AIR OR FREE SPACE : Detection of surveilance)

Patent 5051749: Synthetic aperture radar assembly and a method of creating a radar image of a planet surface using such an assembly
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : SYNTHETIC APERTURE RADAR : Mapping or imaging using synthetic aperture radar (EPO) : Radar reacts to jamming)

Patent 5051750: Winds aloft estimation through radar observation of aircraft
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR FOR METEOROLOGICAL USE (EPO) : Ground based (EPO) : Particular SAR processing techniques (e.g., squint mode, doppler beam-sharpening mode, spotlight mode, bistatic SAR, inverse SAR) (EPO))

Patent 5051751: Method of Kalman filtering for estimating the position and velocity of a tracked object
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING VELOCITY : Combined with determining distance and direction : Frequency)

Patent 5051752: Angle measurement compensation technique for amplitude comparison monopulse receiver
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DIRECTION : Monopulse : With channel equalization : With CRT display)

Patent 5051753: Array antenna system with direction finding capability
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DIRECTION : Scanning : Combined with beam steering)

Patent 5051754: Optoelectronic wide bandwidth photonic beamsteering phased array
(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 5051755: Thermal printing apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Gradational recording : Look up table : Having single layer colored transfer material)

Patent 5051756: Thermal printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Density control : In accordance with ambient temperature : Having single layer colored transfer material)

Patent 5051757: Optical scanning with cylindrical lens and beam slit
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : Having lens : Specific lens)

Patent 5051758: Clean printhead cleaner
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Solvent : Full-line array)

Patent 5051759: Ink jet cartridge and ink tank
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : With integral ejector : Drop sensors)

Patent 5051760: Direct image recording apparatus using toner
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With electric field ejection (applied to fluid) : Movement)

Patent 5051761: Ink jet printer having a paper handling and maintenance station assembly
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Nozzle cap, cover, or protection : Suction :)

Patent 5051762: Production of images using an array of light emitting diodes
(PHOTOGRAPHY : SENSITOMETRY : Photographic medium handling)

Patent 5051763: Camera with orienting flash
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having preexposure illumination : Including focusing screen)

Patent 5051764: Mounting apparatus of flexible printed circuit board of lens
(PHOTOGRAPHY : CAMERA DETAIL : Shutter : Having shutter between lens components : Diaphragm blades open for focusing or viewing)

Patent 5051765: Camera
(PHOTOGRAPHY : FOLDING OR COLLAPSIBLE CAMERA : Having axially moving lens : Having self-erecting lens holder)

Patent 5051766: Automatic focusing camera with multiple distance measuring function
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Manually selected preset focus position or range : With mechanical rangefinder)

Patent 5051767: Distance measuring device
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Having focus operation : Including focus/distance detecting circuit : Plural tanks)

Patent 5051768: Electronic flash apparatus for reducing the incidence of human eyelid closures during exposure
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having preexposure illumination : Including focusing screen)

Patent 5051769: Flash system
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Activated under low light condition : Having indicator)

Patent 5051770: Image processing device for controlling the transfer function of an optical system
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Processing circuit : Automatic area selection)

Patent 5051771: Image forming apparatus having control unit for controlling rewinding operation of recording medium
(PHOTOCOPYING : USING MICROCAPSULES : Sheet feeding : Of selected area or border)

Patent 5051772: Color image recording apparatus
(PHOTOCOPYING : USING MICROCAPSULES : Exposure : Using mask original :)

Patent 5051773: Method and apparatus for storing information about images
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Regulating light intensity or exposure time)

Patent 5051774: Microfilm camera
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Image transferred from individual documents to film strip : Vertical optical path)

Patent 5051775: Image forming apparatus provided with a device for covering and uncovering a sheet magazine
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for photosensitive paper : Including shutter, diaphragm, polarizer or filter)

Patent 5051776: Calibration method for color photographic printing
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Methods : Including vacuum, fluid or spring pressure)

Patent 5051777: Graphic arts apparatus
(PHOTOCOPYING : CONTACT PRINTING : Fluid pressure retention of carrier and receiver in exposure position : Pivoted frame : Fluid pressure)

Patent 5051778: Electrophotographic copying machine which integrates components having substantially equal service lives into respective detachable units
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Process cartridge : Misstrip of copy)

Patent 5051779: Job control sheet for image processing system
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Job mode : Key sheet : Warmup or standby mode)

Patent 5051780: Fusing temperature control device for a printer or similar apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of fixing : Temperature control : Warmup or standby mode : Concentration detection)

Patent 5051781: Xerographic setup and operating system for electrostatographic reproduction machines
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : Detection of developed image : On or adjacent to platen)

Patent 5051782: Electrostatic latent image developing apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Having applied bias : Including sample holder)

Patent 5051783: Cam for shifting a transfer device and a cleaning device
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Toner removal : Transfer member : Concentration detection)

Patent 5051784: Image fixing apparatus with roughened film in sliding contact with heater
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Continuous web : Cleaning member)

Patent 5051785: N-type semiconducting diamond, and method of making the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : SPECIFIED WIDE BAND GAP (1.5EV) SEMICONDUCTOR MATERIAL OTHER THAN GAASP OR GAALAS : Diamond or silicon carbide : In array having structure for use as imager or display, or with transparent electrode)

Patent 5051786: Passivated polycrystalline semiconductors quantum well/superlattice structures fabricated thereof
(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 5051787: Superconductor storage device and memory using superconductor storage devices as memory cells
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) : Tunneling through region of reduced conductivity : Josephson : Weak link (e.g., narrowed portion of superconductive line) : High temperature (i.e., >30o Kelvin))

Patent 5051788: Light-emitting apparatus
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : With reflector, opaque mask, or optical element (e.g., lens, optical fiber, index of refraction matching layer, luminescent material layer, filter) integral with device or device enclosure or package : Plural heterojunctions in same device)

Patent 5051789: Device having two optical ports for switching applications
(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 : Light : PIN detector, including combinations with non-light responsive active devices : With particular contact geometry (e.g., ring or grid))

Patent 5051790: Optoelectronic interconnections for integrated circuits
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : In combination with or also constituting light responsive device : In array having structure for use as imager or display, or with transparent electrode)

Patent 5051791: Apparatus comprising refractive means for elections
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : With housing or external electrode)

Patent 5051792: Epitaxial intermetallic contact for compound for compound semiconductors
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : With Schottky gate : With devices vertically spaced in different layers of semiconductor material (e.g., "3-dimensional" integrated circuit))

Patent 5051793: Coplanar flash EPROM cell and method of making same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : With floating gate electrode : With additional contacted control electrode : With capacitor electrodes connection portion located centrally thereof (e.g., fin electrodes with central post))

Patent 5051794: Non-volatile semiconductor memory device and method for manufacturing the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : With floating gate electrode : With additional contacted control electrode : With capacitor electrodes connection portion located centrally thereof (e.g., fin electrodes with central post))

Patent 5051795: EEPROM with trench-isolated bitlines
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : With floating gate electrode : With additional contacted control electrode : With irregularities on electrode to facilitate charging or discharging of floating electrode :)

Patent 5051796: Cross-point contact-free array with a high-density floating-gate structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : With floating gate electrode : With additional contacted control electrode : With capacitor electrodes connection portion located centrally thereof (e.g., fin electrodes with central post))

Patent 5051797: Charge-coupled device (CCD) imager and method of operation
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Charge transfer device : Non-electrical input responsive (e.g., light responsive imager, input programmed by size of storage sites for use as a read-only memory, etc.) : Having structure to improve output signal (e.g., exposure control structure) : With blooming suppression structure : Si x Ge 1-x)

Patent 5051798: Solid state image sensing device having an overflow drain structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Charge transfer device : Non-electrical input responsive (e.g., light responsive imager, input programmed by size of storage sites for use as a read-only memory, etc.) : Having structure to improve output signal (e.g., exposure control structure) : Having structure to improve output signal (e.g., antiblooming drain))

Patent 5051799: Digital output transducer
(PULSE OR DIGITAL COMMUNICATIONS : PULSE CODE MODULATION : Pulse code modulation)

Patent 5051800: Thin film semiconductor device and liquid crystal display apparatus using thereof
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Light responsive or combined with light responsive device : Schottky gate in groove)

Patent 5051801: Position-sensitive radiation detector
(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 : Light : Light responsive pn junction : Geometric configuration of junction (e.g., fingers) : Schottky metallic layer is a silicide)

Patent 5051802: Compact image sensor
(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 : Light : With housing or encapsulation : With window means : Combined with heavily doped channel stop portion)

Patent 5051803: Diode and producing method thereof and contact image sensor device comprising the same
(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 : Responsive to nonelectrical external signals (e.g., light) : Three or more electrode device)

Patent 5051804: Photodetector having high speed and sensitivity
(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 : Light : Light responsive pn junction : With particular doping concentration : Schottky metallic layer is a silicide)

Patent 5051805: Sub-micron bipolar devices with sub-micron contacts
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With specified electrode means : Including polycrystalline semiconductor as connection : With current ballasting means (e.g., emitter ballasting resistors or base current ballasting means))

Patent 5051806: Gate turn-off thyristor of multi-emitter type
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : With extended latchup current level (e.g., gate turn off "GTO" device) : With extended latchup current level (e.g., COMFET device))

Patent 5051807: Integrated semiconductor structure with incorporated alignment markings
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : PHYSICAL CONFIGURATION OF SEMICONDUCTOR (E.G., MESA, BEVEL, GROOVE, ETC.) : With peripheral feature due to separation of smaller semiconductor chip from larger wafer (e.g., scribe region, or means to prevent edge effects such as leakage current at peripheral chip separation area) : Deep level dopant other than gold or platinum)

Patent 5051808: Semiconductor device with low inductance of wirings connecting individual elements of the device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : Complementary insulated gate field effect transistors : Combined with bipolar transistor : For operation as bipolar or punchthrough element)

Patent 5051809: Memory cell array of planar cell structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : GATE ARRAYS : With particular signal path connections : Multi-level metallization : Combined with diverse type device)

Patent 5051810: Semiconductor device operating in high frequency range
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Configuration or pattern of bonds : With adhesive means)

Patent 5051811: Solder or brazing barrier
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Solder wettable contact, lead, or bond : Cross-over arrangement, component or structure)

Patent 5051812: Semiconductor device and method for manufacturing the same
(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 5051813: Plastic-packaged semiconductor device having lead support and alignment structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : ALIGNMENT MARKS : With heat sink embedded in encapsulant)

Patent 5051814: Method of providing stress-free thermally-conducting attachment of two bodies
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With provision for cooling the housing or its contents : Liquid coolant : Directly attached to semiconductor device)

Patent 5051815: Laser beam emitting unit with high frequency noise shutoff
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH SHIELDING (E.G., ELECTRICAL OR MAGNETIC SHIELDING, OR FROM ELECTROMAGNETIC RADIATION OR CHARGED PARTICLES) : Stepped profile)

Patent 5051816: Pixel generator test set
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Device response compared to expected fault-free response : Clock or synchronization)

Patent 5051817: Superimposing system
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : For display of additional information : Receiver indicator (e.g., on screen display) : Picture in picture)

Patent 5051818: Video signal processing apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Including comb filter (e.g., using line, field, frame delays) : Adaptive comb filter : Selects or blends two or more separated signals to derive output : Window signal generator (e.g., rectangle))

Patent 5051819: Colored image reading apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)

Patent 5051820: Color image recording apparatus capable of recording color gradation pattern
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Intermediate storage : With memory for storage of conversion data)

Patent 5051821: Low light level color image television system including electronic contrast enhancement system
(TELEVISION : PSEUDO COLOR : Multispectral to color conversion (e.g., infrared and visible, infrared bands, etc.) : Hue expander)

Patent 5051822: Telephone access video game distribution center
(AMUSEMENT DEVICES: GAMES : INCLUDING MEANS FOR PROCESSING ELECTRONIC DATA (E.G., COMPUTER/VIDEO GAME, ETC.) : Credit/debit monitoring or manipulation (e.g., game entry, betting, prize level, etc.) : Lot generator (e.g., card distribution, simulated dice, random number generator, etc.))

Patent 5051823: Dental instrument including laser device and electronic video dental camera
(TELEVISION : SPECIAL APPLICATIONS : With endoscope : Dental : Separation by color (i.e., anaglyphic))

Patent 5051824: Electronic scope having detachable frame to which solid state imaging device is fastened
(TELEVISION : SPECIAL APPLICATIONS : With endoscope : Illumination : Separation by color (i.e., anaglyphic))

Patent 5051825: Dual image video inspection apparatus
(IMAGE ANALYSIS : APPLICATIONS : Manufacturing or product inspection : Inspection of semiconductor device or printed circuit board : Alignment, registration, or position determination : Faulty soldering)

Patent 5051826: Vertical edge detection circuit for a television image motion adaptive progressive scanning conversion circuit
(TELEVISION : FORMAT CONVERSION : Line doublers type (e.g., interlace to progressive IDTV type) : Specified chrominance signal)

 

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