Patents 5144155 - 5144411

 

 

Patent 5144155: Power source apparatus using time sensitive switching
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Bipolar transistor : Plural : Control circuit in cascade : Control circuit in totem pole)

Patent 5144156: Phase synchronizing circuit with feedback to control charge pump
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With feedback : Phase lock loop : With charge pump : With digital element)

Patent 5144157: Pin diode driver circuit for radar system
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Current driver : Having digital device (e.g., logic gate, flip-flop, etc.))

Patent 5144158: ECL latch circuit having a noise resistance circuit in only one feedback path
(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) : Four or more layer device, (e.g., trigistor, etc.))

Patent 5144159: Power-on-reset (POR) circuit having power supply rise time independence
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Initializing, resetting, or protecting a steady state condition : Four or more layer device, (e.g., trigistor, etc.))

Patent 5144160: Fully differential sample and hold adder circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Including details of sampling or holding : Sample and hold : With differential amplifier : Cross-coupled)

Patent 5144161: Logic circuit for switching noise reduction
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Output switching noise reduction : With field effect-transistor)

Patent 5144162: High speed signal driving scheme
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : Having plural output pull-up or pull-down transistors : Having plural output pull-up or pull-down transistors)

Patent 5144163: Dynamic BiCMOS logic gates
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Bipolar and FET : Bi-CMOS : CMOS)

Patent 5144164: BiCMOS current switching circuit having a plurality of resistors of a specified value
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Bipolar and FET : With field-effect transistor)

Patent 5144165: CMOS off-chip driver circuits
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Supply voltage level shifting (i.e., interface between devices of a same logic family with different operating voltage levels) : Bipolar transistor)

Patent 5144166: Programmable logic cell and array
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : Significant integrated structure, layout, or layout interconnections : With clocking)

Patent 5144167: Zero power, high impedance TTL-to-CMOS converter
(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 5144168: Self latching input buffer
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : Having plural output pull-up or pull-down transistors : Having plural output pull-up or pull-down transistors)

Patent 5144169: Operational amplifier circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Bipolar transistor : Plural : Control circuit with common emitter : With current mirror : Plural paths)

Patent 5144170: Circuit and method of aligning clock signals
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With amplitude control)

Patent 5144171: High-speed differential-feedback cascode sense amplifier
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : With sensing amplifier : Differential amplifier : Having feedback :)

Patent 5144172: Detection circuit of the current in an MOS type power transistor
(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 5144173: Programmable delay line integrated circuit having programmable resistor circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Single output with variable or selectable delay : Including delay line or charge transfer device : Electron tube)

Patent 5144174: Programmable delay circuit having a buffer stage connected in cascode between the outputs of a plurality of differential amplifiers and the
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Single output with variable or selectable delay : Including delay line or charge transfer device : Electron tube)

Patent 5144175: Cooling fan for electric motors
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Cooling or fluid contact : Circulation : Self-forced : Pressure pump or fan : Output member detail)

Patent 5144176: Three-mass electromagnetic vibrating system
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Drive mechanism : Motion conversion : Unbalanced weight (e.g., vibrators) : Ignition systems)

Patent 5144177: Canned motor pump with heat exchanger in rotor chamber
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Mechanical shields or protectors : Shield in air gap : Impulse coupling)

Patent 5144178: Brushless generator with magnet and claw-tooth dual rotor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Plural rotary elements : Motor-generator sets)

Patent 5144179: Superconducting brushless homopolar motor with multiple winding rotor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : D.C. : Homopolar : Single phase)

Patent 5144180: Two-stator induction synchronous motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Secondary windings or conductors : Squirrel cage : Inherently variable impedance (double squirrel cage) : Multifrequency)

Patent 5144181: Carbon brush for miniature motors and method of making same
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Fixed structure : Brushes : Structure (e.g., composite material) : Axial spring)

Patent 5144182: Skewed rotor assembly
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Core features : Securing laminae : Inherently variable impedance (double squirrel cage))

Patent 5144183: Flat motor of reduced length
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Rotor structure : Armatures : Disc : With composition feature)

Patent 5144184: Micromechanical device with a trimmable resonant frequency structure and method of trimming same
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Adding or subtracting mass : Friction)

Patent 5144185: SAW device
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Surface acoustic wave devices : Interdigitated electrodes :)

Patent 5144186: Ultrasonic sandwich transducer with an astigmatic sonic lobe
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with damping structure : Sandwich or Langevin type)

Patent 5144187: Piezoelectric motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : On back of piezoelectric element)

Patent 5144188: Spark plug for internal combustion engine
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH TEMPERATURE MODIFIER : Spark plug type : Plural control electrode units)

Patent 5144189: Automotive high voltage discharge lighting system and assembly
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH DETACHABLE ELECTRICAL CONNECTOR OR SUPPORT : Electrical connector : Radiating type surface)

Patent 5144190: Light source having desired color temperature and chromaticity
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE : Reflector : With integrant display electrode)

Patent 5144191: Horizontal microelectronic field emission devices
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGE DEVICES HAVING THREE OR MORE ELECTRODES : Discharge control electrode : Plural interelectrode discharge spaces)

Patent 5144192: High-pressure discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH ENVELOPE : Having a connector : Having a reflector in combination with base)

Patent 5144193: High field pulsed microwiggler comprising a conductive tube with periodically space slots
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Combined cathode ray tube and circuit element structure : Inductor or distributed parameter-type inductive structure : Line with plural characteristics or plural lines)

Patent 5144194: Quasi-optical gyrotron having angularly spaced quasi-optical resonators lying in a common plane
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Combined cathode ray tube and circuit element structure : Inductor or distributed parameter-type inductive structure : Ray passes in or through a hollow distributed parameter device :)

Patent 5144195: Circuit for driving at least one gas discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH CATHODE OR CATHODE HEATER SUPPLY CIRCUIT : With current shifting switch)

Patent 5144196: Particle source, especially for reactive ionic etching and plasma-supported CVD processes
(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 5144197: Display device having walls for passage of electron beams
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : Flat tube type : Including non-planar elements)

Patent 5144198: Electron feeder for flat-type luminous device
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : Flat tube type : Including non-planar elements)

Patent 5144199: Microwave discharge light source device
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Three or more)

Patent 5144200: Plasma display panel and manufacturing method thereof
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Three or more electrode discharge device : Multiple gaseous discharge display panel : Having intersecting electrode sets : Composite)

Patent 5144201: Low watt metal halide lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Envelope with particular structure : Cathode or anode)

Patent 5144202: High-frequency power supply for incandescent lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH RADIANT ENERGY SENSITIVE CONTROL MEANS : Load device irradiating the radiant energy responsive device : Discharge control discharge device)

Patent 5144203: Circuit for driving an electric field luminous lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL POWER SUPPLIES : Plural cathode and/or anode load device : Diverse-type energizing or bias supplies to different electrodes : Electroluminescent device : Discharge control discharge device)

Patent 5144204: Tapped-inductor boost convertor for operating a gas discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Flashers)

Patent 5144205: Compact fluorescent lamp dimming system
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CONDENSER IN THE SUPPLY CIRCUIT : Inductance in the condenser circuit : Strobe lights)

Patent 5144206: Electrodeless HID lamp coupling structure with integral matching network
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Induction-type discharge device load : Strobe lights)

Patent 5144207: Circuit and method for igniting and operating an arc lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Circuit interrupter in the inductance circuit)

Patent 5144208: Device for adjusting a nominal value of the dimension of an actuator, the longitudinal dimension of which can be changed by applying an
(ELECTRICITY: MOTIVE POWER SYSTEMS : MAGNETOSTRICTIVE MOTOR : Thermoelectric motor)

Patent 5144209: Brushless DC motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 5144210: Capstan servo device
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Power- or motion-transmitting mechanism)

Patent 5144211: Multiaxis robot controller having workpoint torque control
(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) : Differential type)

Patent 5144212: Display processing apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Digital or numerical systems : Multifunction manipulator (i.e., Robot))

Patent 5144213: Brake control method of gravity axis
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Digital or numerical systems : Multifunction manipulator (i.e., Robot))

Patent 5144214: Numerical control system for moving work or cutter in synchronism with the rotation of a spindle
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Digital or numerical systems : Slewing systems)

Patent 5144215: Current supply control apparatus for an inductance load
(ELECTRICITY: MOTIVE POWER SYSTEMS : SYNCHRONOUS MOTOR SYSTEMS : Hysteresis or reluctance motor systems : Cyclically varying or repeated speed schedules)

Patent 5144216: High speed flux feedback for tuning a universal field oriented controller capable of operating in direct and indirect field
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Frequency control : Responsive to motor voltage)

Patent 5144217: Cordless tool battery housing and charging system
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : For diverse sizes of cells, batteries, or battery packs : Employing "jumper" cable)

Patent 5144218: Device for determining the charge condition of a battery
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : Pulsed : With battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.))

Patent 5144219: Voltage-regulator for generator
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS : Plural conditions : Including an electrical condition : Plural electrical conditions : Voltage and current :)

Patent 5144220: Vehicle AC generator control system
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS : Voltage of generator or circuit supplied : Including an electrical condition)

Patent 5144222: Apparatus for controlling the input impedance of a power converter
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Including plural final control devices : Switched (e.g., on-off control) : Including an electronic tube or a three or more terminal semiconductive device in control circuit)

Patent 5144223: Bandgap voltage generator
(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 5144224: Millimeter wave flow cytometer
(ELECTRICITY: MEASURING AND TESTING : DETERMINING NONELECTRIC PROPERTIES BY MEASURING ELECTRIC PROPERTIES : Particle counting : Mechanically actuated switch)

Patent 5144225: Methods and apparatus for acquiring data from intermittently failing circuits
(ELECTRICITY: MEASURING AND TESTING : PLURAL, AUTOMATICALLY SEQUENTIAL TESTS : Voltage probe)

Patent 5144226: Multi-mode measuring system
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Nonlinear (e.g., Thyrite) : Selective filter)

Patent 5144227: Digital high-voltage meter for detecting a load to source voltage and a neutral position of a utility voltage regulator
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : With probe, prod or terminals : Soft iron vane)

Patent 5144228: Probe interface assembly
(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 5144229: Method for selectively conditioning integrated circuit outputs for in-circuit test
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Structural (in-circuit test) : Clock or synchronization)

Patent 5144230: Method and system for testing integrated circuits by cycle stealing
(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 5144231: Eddy current detector for detecting an object with offset compensation
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including speed analog electrical signal generator : Eddy current generator type (e.g., tachometer) : Device or apparatus determines conductivity effects)

Patent 5144232: Testing device for an electric generator
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including motor current or voltage sensor : Including radiant energy detector)

Patent 5144233: Crankshaft angular position voltage developing apparatus having adaptive control and diode control
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Rotary : Magnetoresistive)

Patent 5144234: Hall-effect sensor with integrally molded frame and plate supported Hall element
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : Electrically energized nonforce type sensor : Noncoil type : Electrically energized)

Patent 5144235: Method of decomposing NMR images by chemical species
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5144236: Method and apparatus for r.f. tomography
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5144237: Method and apparatus of nuclear magnetic resonance imaging with optimized gradient magnetic field power source
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5144238: Magnetic resonance imaging apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using an electron resonance spectrometer system : With sample resonant frequency and temperature interdependence)

Patent 5144239: Circularly polarizing RF antenna for an MRI apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5144240: NMR spectroscopy and imaging coil
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5144241: Circularly polarizing RF antenna for an MRI apparatus having a C-magnet
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5144242: Continually loadable microcode store for MRI control sequencers
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : By spectrum storage and analysis :)

Patent 5144243: RF coil system for use in magnetic resonance imaging apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5144244: Error-proof decoupling of transmission and reception antennas in a nuclear magnetic resonance apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Electronic circuit elements : With homogeneity control)

Patent 5144245: Method for evaluating a borehole formation based on a formation resistivity log generated by a wave propagation formation evaluation
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : With radiant energy or nonconductive-type transmitter : With separate pickup : Within a borehole :)

Patent 5144246: Vacuum tube characterization apparatus
(ELECTRICITY: MEASURING AND TESTING : ELECTRIC LAMP OR DISCHARGE DEVICE : Vacuum tube : Using a pressure chamber)

Patent 5144247: Method and apparatus for reducing IR error in cathodic protection measurements
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Circuit breaker)

Patent 5144248: Method and apparatus for measuring the voltage and charge of a battery
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a battery testing device : To determine ampere-hour charge capacity : Including an integrating device : Pulsating or alternating current or potential for the discharge control means)

Patent 5144249: Oxygen sensor
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a conductivity determining device : Including probe structure)

Patent 5144250: Power amplifier time domain reflectometer
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : For fault location : By applying a test signal : Using time measuring : Of reflected test signal : Differential bridge circuit)

Patent 5144251: Three-axis particle impact probe
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : With variable distance between capacitor electrodes : Using a bridge circuit)

Patent 5144252: Method and apparatus for transducer measurements on a metallic pair
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With voltage or current signal evaluation : Including a digital or logic circuit)

Patent 5144253: Method and apparatus for determining interactions due to direct currents on adjacent buried metal structures
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With voltage or current signal evaluation : Including a particular probing technique (e.g., four point probe) : Including corrosion or erosion)

Patent 5144254: Dual synthesizer including programmable counters which are controlled by means of calculated input controls
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synthesizer : Having digital device (e.g., logic gate, flip-flop, etc.) : Sample and hold)

Patent 5144255: Multiple synchronized agile pulse generator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synthesizer : Having stored waveform data (e.g., in ROM, etc.) : Sample and hold)

Patent 5144256: Method and apparatus for demodulating a GMSK signal
(DEMODULATORS : FREQUENCY SHIFT KEYING OR MINIMUM SHIFT KEYING DEMODULATOR : Input signal combined with local oscillator or carrier frequency signal :)

Patent 5144257: Distributed arrays of microelectronic amplifiers
(AMPLIFIERS : WITH DISTRIBUTED PARAMETER-TYPE COUPLING MEANS : Distributed amplifier : Having different configurations)

Patent 5144258: Power amplifier system for radio transmitter and method for using the same
(AMPLIFIERS : WITH CONTROL OF POWER SUPPLY OR BIAS VOLTAGE : With control of input electrode or gain control electrode bias : D.C. coupling)

Patent 5144259: Amplifier having a push-pull out-put stage
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having push-pull amplifier stage :)

Patent 5144260: Method and apparatus for perturbation cancellation of a phase locked oscillator
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Plural A.F.S. for a single oscillator : Plural controls)

Patent 5144261: Optically injection locked resonant tunnel diode oscillator
(OSCILLATORS : WITH DEVICE RESPONSIVE TO EXTERNAL PHYSICAL CONDITION : Temperature or light responsive : Diverse-type oscillators)

Patent 5144262: Acoustic charge transport selectable delay line and delay line oscillator formed therewith
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Acoustoelectric device oscillators : Coaxial type)

Patent 5144263: Method for amplitude control of an oscillator output signal, and circuit configuration for performing the method
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Amplitude stabilization and control : Inductor controlled AFC)

Patent 5144264: Wideband voltage controlled oscillator having open loop gain compensation
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : L-C type : Electromechanical resonators other than piezoelectric crystals)

Patent 5144265: Pulse width modulation technique
(MODULATORS : PULSE OR INTERRUPTED CONTINUOUS WAVE MODULATOR : Pulse width modulator :)

Patent 5144266: Broadband high frequency active MMIC circulator
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS :)

Patent 5144267: Variable slope network for off-premises CATV system
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Equalizers : Having long line elements)

Patent 5144268: Bandpass filter utilizing capacitively coupled stepped impedance resonators
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Stripline or microstrip : Plural mechanically coupled disk resonators)

Patent 5144269: Dielectric filter having external connection formed on dielectric substrate
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Coaxial : Tunable)

Patent 5144270: Electromagnetic power relay with actuation slide
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Polarity-responsive : Armature structure : Comprising energy storage means (e.g., wound spring))

Patent 5144271: Electromagnetic power relay
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Polarity-responsive : Contact structure of composition : Floating (i.e., no fixed pivot))

Patent 5144272: Electromagnetic solenoid for oil hydraulic control valves
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With plunger-type armature : With latch-control winding)

Patent 5144273: 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 5144274: Sealed variable resistor
(ELECTRICAL RESISTORS : MOVABLE MAGNET ACTUATES RESISTOR THROUGH HOUSING OR PARTITION : With additional compensating resistor or resistance element)

Patent 5144275: Positioning cylinder, especially for subterranean mining
(ELECTRICAL RESISTORS : WITH DIVERSE NONELECTRICAL DEVICE (E.G., MECHANICAL OR CHEMICAL) : Mechanically variable resistor)

Patent 5144276: Rotary potentiometer
(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 5144277: Sealing structure for electrical parts
(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 : Hermetically sealed housing :)

Patent 5144278: Variable impedance device and circuit for sensing adjustment thereof
(ELECTRICAL RESISTORS : MECHANICALLY VARIABLE (E.G., RHEOSTAT) : With switch actuated by resistor actuator : With intervening connector between contact and element (e.g., taps))

Patent 5144279: Resistor element with thin porous metallic layer covered with glass coating
(ELECTRICAL RESISTORS : INCASED, EMBEDDED, OR HOUSED : Helical or wound element : Element coiled on a core : Element coiled on a core)

Patent 5144280: Bi-directional multi-frequency ripple control system
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal over power line : Modulation technique : With independent manual controller)

Patent 5144281: Hood ornament theft alarm
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including specified sensor : Trunk or hood : Off course, route re-search)

Patent 5144282: Adaptive lamp monitor with first and second comparison rates
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Lamp or lamp circuit condition : Of service interval expiration)

Patent 5144283: Energy efficient alarm system and regulative central control unit
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Alarm system supervision : With ringback)

Patent 5144284: Patient-monitoring bed covering device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))

Patent 5144285: Pulsed ultra sonic swimming pool alarm apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Water safety alarm : Specified device housing or attachment means)

Patent 5144286: Photosensitive switch with circuit for indicating malfunction
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Gas)

Patent 5144287: Current level sensing circuit for use with gyrator circuitry
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Electrical characteristic : Current : Undervoltage)

Patent 5144288: Color liquid-crystal display apparatus using delta configuration of picture elements
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Filter : Color filter : With unequal areas for different colors or with fractional shift between one line of colors and the next : With particular insulating layer)

Patent 5144289: Indication display unit for vehicles
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Three-dimensional arrays)

Patent 5144290: Display unit attachment device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Animation)

Patent 5144291: Means for eliminating hidden surface
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension : Hidden line/surface determining : Z buffer (depth buffer) :)

Patent 5144292: Liquid crystal display system with variable backlighting for data processing machine
(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) : Backlight control : Particular row or column control (e.g., shift register))

Patent 5144293: Serial link communication system with cascaded switches
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Tree or cascade : Having specified mounting structure)

Patent 5144294: Radio frequency message apparatus for aiding ambulatory travel of visually impaired persons
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Location indication : Housing detail)

Patent 5144295: Interruption processing system in time division multiplex transmission system
(MULTIPLEX COMMUNICATIONS : DUPLEX : Transmit/receive interaction control : Frequency division)

Patent 5144296: Adaptive battery saving controller with signal quality detecting means
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Power control or battery saving : Based on received signal : Address based : Using additional record or carrier code)

Patent 5144297: Digital cross connection apparatus
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Path selection : Channel selecting matrix : Having master control element : Having master control element)

Patent 5144298: Dynamometric measuring assembly for a drill pipe equipped with means of radiotransmission
(COMMUNICATIONS: ELECTRICAL : WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.) : Using a specific transmission medium (e.g., conductive fluid, annular spacing, etc.) : Electromagnetic energy (e.g., radio frequency, etc.) : Control of drilling apparatus using magnetic field)

Patent 5144299: Telemetry power carrier pulse encoder
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Using a particular modulation (e.g., phase, frequency, or amplitude) : Temperature)

Patent 5144300: Starting evice for marine propulsion engine
(COMMUNICATIONS: ELECTRICAL : WATERCRAFT ALARM OR INDICATING SYSTEMS : Obstruction beacon)

Patent 5144301: School bus locator system
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : At remote location : Vehicle's arrival or expected arrival at remote location along route indicated at that remote location (e.g., bus arrival systems) : Glide slope or path)

Patent 5144302: Modular keyboard
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Actuated by physical projection)

Patent 5144303: Stacked computer keyboard function key multiple template retainers
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Variable key legends :)

Patent 5144304: Data and forward error control coding techniques for digital signals
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from minimum d.c. level codes : Binary to or from ternary)

Patent 5144305: Transmission arrangement comprising a block code encoded main channel and an auxiliary channel
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from NRZ (nonreturn-to-zero) codes : To or from coded mark inversion : With rollover feature (i.e., antidoublestrike))

Patent 5144306: Noise shaping circuit
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from differential codes : To or from double density code)

Patent 5144307: Method of controlling double integral A-D converter
(CODED DATA GENERATION OR CONVERSION : CONVERTER CALIBRATION OR TESTING : Temperature compensation)

Patent 5144308: Idle channel tone and periodic noise suppression for sigma-delta modulators using high-level dither
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Increasing converter resolution (e.g., dithering) : Plural slope analog to digital converter)

Patent 5144309: Analog-to-digital converter to be used along with a resistive sensor
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using ladder network)

Patent 5144310: A/D converter utilizing successive approximation
(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 5144311: Apparatus for converting analog signals into digital signals
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Intermediate conversion to time interval : Single comparator and digital storage)

Patent 5144312: Locating system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Secondary Surveilance Radar (SSR) or Air Traffic Control Radar Beacon System (ATCRBS))

Patent 5144313: Method for processing transmitted and reflected signals for removing unwanted signals and noise from wanted signals
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Unique identity : With defruiting or degarbling)

Patent 5144314: Programmable object identification transponder system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Unique identity : With defruiting or degarbling)

Patent 5144315: System for accurately monitoring aircraft position during training exercises
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Navigational : Distance measuring equipment (DME) : With VOR/TACAN :)

Patent 5144316: Efficient batched-report gating technique
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : For correlation : With sweep expansion)

Patent 5144317: Method of determining mining progress in open cast mining by means of satellite geodesy
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using Global Positioning Satellite (GPS or Glonass) : Attitude determination :)

Patent 5144318: Apparatus and method for navigating vehicle using GPS
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using Global Positioning Satellite (GPS or Glonass) : Satellite selection (i.e., tracking or acquisition) :)

Patent 5144319: Planar substrate ferrite/diode phase shifter for phased array applications
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With electronic scanning : Controlled : Satellite selection (i.e., tracking or acquisition))

Patent 5144320: Switchable scan antenna array
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a switch : Controlled)

Patent 5144321: Method device and microwave antenna system for applying discrete delays to a signal
(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 5144322: Large-aperture sparse array detector system for multiple emitter location
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Utilizing correlation techniques : Sum of each antenna signal : Mixing each antenna channel signal)

Patent 5144323: Protected switch for emergency location system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : With transmisson of bearing or position determinative signals : Mixing each antenna channel signal)

Patent 5144324: Antenna arrangement for a portable transceiver
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)

Patent 5144325: Detachable wrist band antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Body-attached or connected : Supported underneath vehicle)

Patent 5144326: Whip tilt adapter
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body : Rod type :)

Patent 5144327: Source of microwave radiation for an electronic sweeping antenna which absorbs reflected energy
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Traveling wave type : Including balanced doublet-type antenna)

Patent 5144328: Method for producing an image on a substrate having the same spectral content with front and back illumination
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Medium and processing means : Fluid (e.g., fluid specifics))

Patent 5144329: Recording apparatus and method which takes into account image information being recorded
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Record receiver and transfer medium feeding or driving means : Specific conductor means (e.g., electrode, conducting pattern, etc.))

Patent 5144330: Method and apparatus for printing on pipe
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Combined :)

Patent 5144331: Drive control method for thermal transfer printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Multicolor : Single-head type (e.g., multipass) : Having single layer colored transfer material : Including sensor means : For detecting color : Integrated)

Patent 5144332: Method of controlling head in image recording apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : Nozzles)

Patent 5144333: Process for the storage of information in an organic recording layer
(RECORDERS : RECORD RECEIVERS AND/OR DRIVING MEANS THEREFOR : Laminated, impregnated, or coated bases : Card receiver)

Patent 5144334: Thermosensitive recording method using sublimation-type thermosensitive image receiving recording medium
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Record receiver and transfer medium feeding or driving means : Specific conductor means (e.g., electrode, conducting pattern, etc.))

Patent 5144335: Thermal printer donor guide roller
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : With transfer medium or driving means therefor : Including separating means)

Patent 5144336: Method and apparatus for controlling the temperature of thermal ink jet and thermal printheads that have a heating matrix system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Specific resistance recording element type : Specific conductor means (e.g., electrode, conducting pattern, etc.) : With means for driving or supplying current to the resistive heating elements : Including sensor means)

Patent 5144337: Image forming apparatus capable of forming an image by dots having various diameters
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Tone marking : By adjusting pulse width of light beam : Specific lens)

Patent 5144338: Image recorder using pulse width modulation
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Tone marking : By adjusting pulse width of light beam : Specific lens)

Patent 5144339: Laser scanner with deflector and photosensitive drum control
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : Having deflector : Polygon : For detecting color)

Patent 5144340: Inkjet printer with an electric curtain force
(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 5144341: Thermal ink jet drivers device design/layout
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Drive signal application : Wiring :)

Patent 5144342: Head for ink-jet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With piezoelectric force ejection : With vibratory plate : Flow path)

Patent 5144343: Image recording method and apparatus
(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 5144344: Spectacles for stereoscopic pictures
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With antiglare or shading : For contact lens fitting)

Patent 5144345: Hanger for displaying eyeglasses
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Combined : Neck retainers)

Patent 5144346: Ophthalomological apparatus for alignment and refraction
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including eye photography : Having means to detect proper distance or alignment (i.e., eye to instrument) :)

Patent 5144348: Image bearing template for instant film assemblages
(PHOTOGRAPHY : WITH DATA RECORDING : Optical : Mask or stencil : Using stepping motor)

Patent 5144349: Real image mode variable magnification finder optical system
(PHOTOGRAPHY : WITH VIEWFINDER : Selective or adjustable viewfinder field : Zoom : Base guide)

Patent 5144350: Photographic film cartridge
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Film cassette or cartridge : Film or spool locking means : Opposite movement)

Patent 5144352: Control apparatrus of focus and shutter of camera
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Dual purpose motor : Image correlation type)

Patent 5144353: Optical system driving device of camera
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Lens drive circuit or motor structure : Image correlation type)

Patent 5144355: Camera having automatic focus adjusting apparatus
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having pursuit mode : With mechanical rangefinder)

Patent 5144356: Temperature compensated infrared optical imaging system
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Temperature compensating : With mechanical rangefinder)

Patent 5144357: Automatic focus detecting means
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Reliability of focus/distance signal : With mechanical rangefinder)

Patent 5144358: Automatic focusing camera
(PHOTOGRAPHY : ATTITUDE SENSING : Including film processing tank)

Patent 5144359: Aperture value determining device for a flash system
(PHOTOGRAPHY : FLASH SYSTEM RESPONSIVE TO FOCAL LENGTH OR DISTANCE : Camera release)

Patent 5144360: Thermal fixing device in an image recording apparatus
(PHOTOCOPYING : USING MICROCAPSULES : Heating (e.g., thermal fixing) : Of selected area or border)

Patent 5144361: Image recording apparatus capable of detecting medium loading failure
(PHOTOCOPYING : USING MICROCAPSULES : Sheet feeding : Having document handling detection :)

Patent 5144362: Projection aligner
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)

Patent 5144363: Apparatus for and method of projecting a mask pattern on a substrate
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)

Patent 5144364: Power supply for electrophotography apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Electricity to lamp controlled : Vertical optical path)

Patent 5144365: Device for reproducing images, by contact, on an unexposed photographic film from a transparent original
(PHOTOCOPYING : CONTACT PRINTING : Fluid pressure retention of carrier and receiver in exposure position : With plural webs of indeterminate length (e.g., motion picture film))

Patent 5144366: Cooling system for use in an image forming machine
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Forced air circulation : Supplying power to charger)

Patent 5144367: Printing member for electrostatic photocopying
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Photoconductive member : To produce outline image)

Patent 5144368: Charging device and image forming apparatus having same
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Contact : Roller : Toner cartridge)

Patent 5144369: Developer unit alignment, removal and interchange system
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Developing unit : Drum mount)

Patent 5144370: Apparatus for detecting the vibration of electrode wires and canceling the vibration thereof
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Having cloud-forming application : Having internal rotary member)

Patent 5144371: Dual AC/dual frequency scavengeless development
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Having cloud-forming application : Having internal rotary member)

Patent 5144372: Copying machine operable in simultaneous multi-color mode
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Exposure : Having image editing : Selectable area : Color : Optical detector)

Patent 5144373: Detection of range discontinuities in stereoscopic imagery
(OPTICS: MEASURING AND TESTING : CONTOUR PLOTTING :)

Patent 5144374: Optical spectroscopy system
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrometer : Having beam modulation)

Patent 5144375: Sagnac optical logic gate
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) : Electro-optic : Switching : Having multiple electrodes)

Patent 5144376: Compound semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Bipolar transistor : Doping on side of heterojunction with lower carrier affinity (e.g., high electron mobility transistor (HEMT)))

Patent 5144377: High-speed heterojunction light-emitting diode
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : With heterojunction : With electrical isolation means in integrated circuit structure)

Patent 5144378: High electron mobility transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Field effect transistor : Doping on side of heterojunction with lower carrier affinity (e.g., high electron mobility transistor (HEMT)) : Layer is a group III-V semiconductor compound)

Patent 5144379: Semiconductor device having a group III-V epitaxial semiconductor layer on a substrate
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Field effect transistor : Doping on side of heterojunction with lower carrier affinity (e.g., high electron mobility transistor (HEMT)) : Layer is a group III-V semiconductor compound)

Patent 5144380: Diamond semiconductor device with a non-doped diamond thin film between a diamond active layer and a substrate
(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 5144381: Semiconductor light detector utilizing an avalanche effect and having an improved guard ring structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Light responsive structure : Avalanche photodetection structure : With lead feedthrough means on side of housing)

Patent 5144382: Developing device with a scraping unit arranged to form a stirring area
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Mixing : Having new toner : Optical detector)

Patent 5144383: Transfer assembly of electrophotographic printer
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Electrostatic : Having copy medium guide : Having belt transporting copy)

Patent 5144384: Automatic sheet feeder having means for resuming continuous copying after power stoppage
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Malfunction detection responsive : Job recovery : On or adjacent to platen)

Patent 5144385: Curl removing device for an image recorder
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Delivering from transfer position : Curl correction : Having intermediate storage)

Patent 5144386: Image-forming apparatus having a manual paper supply port located above a paper discharging port
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Holder)

Patent 5144387: Color image forming apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Color selection : By concentration detector)

Patent 5144388: Semiconductor device having a plurality of FETs formed in an element area
(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 : With means to prevent parasitic conduction channels : Selected groups of complete field effect devices having different threshold voltages (e.g., different channel dopant concentrations))

Patent 5144389: Insulated gate field effect transistor with high breakdown voltage
(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) : With means to increase breakdown voltage : With complementary field effect transistor)

Patent 5144390: Silicon-on insulator transistor with internal body node to source node connection
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Single crystal semiconductor layer on insulating substrate (SOI) : Gate electrode overlaps the source or drain by no more than depth of source or drain (e.g., self-aligned gate))

Patent 5144391: Semiconductor device which relieves internal stress and prevents cracking
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : With lattice constant mismatch (e.g., with buffer layer to accommodate mismatch) : Having narrow energy band gap (<<1eV) layer (e.g., PbSnTe, HgCdTe, etc.))

Patent 5144392: Thin-film transistor circuit
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Single crystal semiconductor layer on insulating substrate (SOI) : Insulated electrode device is combined with diverse type device (e.g., complementary MOSFETs, FET with resistor, etc.) : All contacts on same surface (e.g., lateral structure))

Patent 5144393: Structure for a PSD type field effect 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 5144394: Semiconductor device and method for fabricating same
(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 : With means to prevent parasitic conduction channels : Thick insulator portion : Recessed into semiconductor surface : As thin film structure (e.g., polysilicon resistor))

Patent 5144395: Optically driven semiconductor device
(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 5144396: Capping layer fabrication
(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 contact geometry (e.g., ring or grid))

Patent 5144397: Light responsive semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH SPECIFIED IMPURITY CONCENTRATION GRADIENT : With high resistivity (e.g., "intrinsic") layer between P and N layers (e.g., PIN diode) : Details of insulating layer electrical charge (e.g., negative insulator layer charge))

Patent 5144398: Semiconductor device and photoelectric conversion apparatus using 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) : Non-single crystal, or recrystallized, material forms active junction with single crystal material (e.g., monocrystal to polycrystal pn junction or heterojunction) : Three or more electrode device)

Patent 5144399: Color image pickup apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Transition or edge sharpeners : For color television)

Patent 5144400: Power semiconductor device with switch-off facility
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Combined with field effect transistor : Having controllable emitter shunt : Having gate turn off (GTO) feature : Enhancement mode (e.g., so-called SITs))

Patent 5144401: Turn-on/off driving technique for insulated gate thyristor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Combined with field effect transistor : Having controllable emitter shunt : Having gate turn off (GTO) feature : Enhancement mode (e.g., so-called SITs))

Patent 5144402: Semiconductor switching device and method of controlling a carrier life time in a semiconductor switching device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Combined with field effect transistor : J-FET (junction field effect transistor) : Vertical (i.e., where the source is located above the drain or vice versa) : Enhancement mode (e.g., so-called SITs) : Si x Ge 1-x)

Patent 5144403: Bipolar transistor with trench-isolated emitter
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Including dielectric isolation means : Combined with pn junction isolation (e.g., isoplanar, LOCOS) : Dielectric in groove : Vertical walled groove : With active junction abutting groove (e.g., "walled emitter") : Silicide of refractory metal)

Patent 5144404: Polysilicon Schottky clamped transistor and vertical fuse devices
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : SCHOTTKY BARRIER : In integrated structure : With bipolar transistor : External physical configuration of semiconductor (e.g., mesas, grooves))

Patent 5144405: Temperature compensation apparatus for logic gates
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Signal level or switching threshold stabilization : Temperature compensation : With clocking)

Patent 5144406: Diode devices and active matrix addressed display devices incorporating them
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH SPECIFIED IMPURITY CONCENTRATION GRADIENT : With high resistivity (e.g., "intrinsic") layer between P and N layers (e.g., PIN diode) : Details of insulating layer electrical charge (e.g., negative insulator layer charge))

Patent 5144407: Semiconductor chip protection layer and protected chip
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Insulating material : Of high thermal conductivity ceramic (e.g., BeO) : Housing entirely of metal except for feedthrough structure)

Patent 5144408: Semiconductor integrated circuit device and method of manufacturing the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Lateral bipolar transistor structure : With bipolar transistor structure)

Patent 5144409: Isotopically enriched semiconductor devices
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Lateral bipolar transistor structure : With bipolar transistor structure)

Patent 5144410: Ohmic contact for III-V semiconductor devices
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : For compound semiconductor material : Contact for III-V material : Pin grid type)

Patent 5144411: Method and structure for providing improved insulation in VLSI and ULSI circuits
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Insulating material : Multiple contact layers separated from each other by insulator means and forming part of a package or housing (e.g., plural ceramic layer package))

 

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