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Patent 5731661: Passivation of electroluminescent organic devices
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Solid-state type : With particular phosphor or electrode material : Organic phosphor : With shield or additional electrode)
Patent 5731662: Metal halide lamp with getter
(ELECTRIC LAMP AND DISCHARGE DEVICES : HAVING HEATING MEANS TO CONTROL GAS/VAPOR, GAS OR VAPOR GENERATING MEANS, OR GETTER MEANS : Discharge device gettering : Immersed in liquid electrode)
Patent 5731663: Variable power control lamp adapter
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : REGULATION OF THE CONTROL CURRENT AND/OR POTENTIAL APPLIED TO DISCHARGE CONTROL DISCHARGE DEVICE LOADS BY PHASE SHIFTING MEANS : Christmas lights)
Patent 5731664: Electrical switched load relocation apparatus
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : REGULATION OF THE CONTROL CURRENT AND/OR POTENTIAL APPLIED TO DISCHARGE CONTROL DISCHARGE DEVICE LOADS BY PHASE SHIFTING MEANS : Christmas lights)
Patent 5731665: Power regulator for fluorescent lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : With power factor control device : Strobe lights)
Patent 5731666: Integrated-magnetic filter having a lossy shunt
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Transformer in the supply circuit : Condenser in the control circuit)
Patent 5731667: Hybrid sequence start ballast for an instant start discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL LOAD DEVICE SYSTEMS : Sequential starting : Alternate circuit closing)
Patent 5731668: Device for locking a driving motor of a disc player
(ELECTRICITY: MOTIVE POWER SYSTEMS : WITH PARTICULAR MOTOR-DRIVEN LOAD DEVICE : Power- or motion-transmitting mechanism : Mechanical gearing : Gearing)
Patent 5731669: Control apparatus for electric vehicle
(ELECTRICITY: MOTIVE POWER SYSTEMS : BATTERY-FED MOTOR SYSTEMS : By auxiliary motor)
Patent 5731670: Method for driving a brushless DC electric motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)
Patent 5731671: Method and circuit arrangement for controlling fans
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)
Patent 5731672: Control apparatus of DC servo motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : MOTOR-REVERSING : Armature or primary circuit control : Armature or primary current reversal : Reversing polarity of current supplied to armature circuit : Automatic stopping means less responsive during acceleration)
Patent 5731673: Electrical power tool having a motor control circuit for increasing the effective torque output of the power tool
(ELECTRICITY: MOTIVE POWER SYSTEMS : CONSTANT MOTOR CURRENT, LOAD AND/OR TORQUE CONTROL : Initial, "cracking" or "starting from rest" torque control)
Patent 5731674: Motor with variable edge steepness
(ELECTRICITY: MOTIVE POWER SYSTEMS : MOTOR COMMUTATION CONTROL SYSTEMS : Control of motor load or device driven)
Patent 5731675: Adjustable motor control circuit for power windows
(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 5731676: Energy conversion apparatus for converting radiant energy to rotary force
(ELECTRICITY: MOTIVE POWER SYSTEMS : AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) : Responsive to thermal conditions : Magnitude of movement or revolutions)
Patent 5731677: Integrated circuit for controlling an information storage disk
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Adaptive or optimizing systems including "bang-bang" servos : Mechanical gearing)
Patent 5731678: Processing head for semiconductor processing machines
(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 5731679: Off-line programming system for control of industrial robots
(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 particular coordinate transformation means : Including velocity control)
Patent 5731680: Method and apparatus for registering a sheet with an image-bearing member
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular motor control system responsive to the "actuating signal" : "Step-by-step" motors in closed-loop servos : Rotating amplifier (e.g., "Ward Leonard" control))
Patent 5731681: Motor control system for centrifugal machine
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Power-factor control : Having a plurality of windings or winding portions)
Patent 5731682: Control unit and control method for motors
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Responsive to motor condition : Responsive to motor voltage : With controlled magnetic reactance)
Patent 5731683: Electronic apparatus
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Having plug for A-C receptacle : Employing "jumper" cable)
Patent 5731684: Method and apparatus for regenerating primary cells
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Vehicle battery charging)
Patent 5731685: Battery management system
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : With thermal condition detection : Hysteresis type (e.g., antichattering, etc.))
Patent 5731686: Embedded battery overtemperature protection and voltage regulator circuitry
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : With thermal condition detection : Thermal switch (e.g., thermostat, bimetallic switch, etc.) : Temperature compensation)
Patent 5731687: Generator assembly
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : PORTABLY MOUNTED :)
Patent 5731688: Control system and circuits for distributed electrical-power generating stations
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS : Plural conditions : Electric motor)
Patent 5731689: Control system for A.C. 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 5731690: Electric power supply system for vehicle
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS : Voltage of generator or circuit supplied : Including an electrical condition)
Patent 5731691: Power supply circuitry for a transponder and operable with infinitesimal power from receiving antenna
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using impedance)
Patent 5731692: System and method for limiting overshoot in a voltage and current control circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Linearly acting : With threshold detection : Parallel connected)
Patent 5731693: Power supply for cellular communication stations
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Linearly acting : With threshold detection : Parallel connected)
Patent 5731694: Control circuit and method for maintaining high efficiency over broard current ranges in a switching regulator circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Switched (e.g., switching regulators) : With plural condition sensing : Including filter sensing : In flyback path : Having base-emitter of transistor coupled across sensor)
Patent 5731695: Voltage limiter circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : INPUT LEVEL RESPONSIVE : Using an impedance as the final control device)
Patent 5731696: Voltage reference circuit with programmable thermal coefficient
(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 5731697: In-situ monitoring of the change in thickness of films
(ELECTRICITY: MEASURING AND TESTING : DETERMINING NONELECTRIC PROPERTIES BY MEASURING ELECTRIC PROPERTIES : Semiconductors for nonelectrical property : Mechanically actuated switch)
Patent 5731698: Apparatus for detecting the amplitude and phase of an a.c. signal
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Phase comparison (e.g., between cyclic pulse voltage and sinusoidal current, etc.) : With space discharge device)
Patent 5731699: Apparatus and method for simultaneous measuring of narrow and wideband RF transmission statistics
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Analysis of complex waves : Frequency spectrum analyzer : Nonscanning : With particular sweep circuit)
Patent 5731700: Quiescent power supply current test method and apparatus for integrated circuits
(ELECTRICITY: MEASURING AND TESTING : MISCELLANEOUS : Combined)
Patent 5731701: Analog autonomous test bus framework for testing integrated circuits on a printed circuit board
(ELECTRICITY: MEASURING AND TESTING : MISCELLANEOUS : Combined)
Patent 5731702: High accuracy angle based rotation sensor with time based back up
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Magnetoresistive : Electrically energized)
Patent 5731703: Micromechanical d'arsonval magnetometer
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetometers : Energized movable sensing coil magnetometers : Peak voltage type)
Patent 5731704: Method and arrangement for measuring and controlling the basic field of a magnet of a nuclear magnetic tomography apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Polarizing field magnet : With homogeneity control :)
Patent 5731705: Electromagnetic lifting device
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Work or object holding type : Electromagnet type (e.g., electromagnetic chuck) : Lifting or attracting type (e.g., for lifting pigiron or pulling hairpins) : Sectional plunger)
Patent 5731706: Method for efficient calculation of power sum cross-talk loss
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Parameter related to the reproduction or fidelity of a signal affected by a circuit under test : Shielding effectiveness (SE) : Circuit interference (e.g., crosstalk) measurement : Field effect transistor)
Patent 5731707: Method and apparatus for synthesizing spatial waveforms in an electronic position encoder
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : With variable electrode area : Using a bridge circuit)
Patent 5731708: Unpackaged semiconductor testing using an improved probe and precision X-Y table
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Probe alignment or positioning : Of reflected test signal)
Patent 5731709: Method for testing a ball grid array semiconductor device and a device for such testing
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : With temperature control : Of reflected test signal)
Patent 5731710: Contact probe apparatus used in electric tests for a circuit board
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Pin : Of reflected test signal)
Patent 5731711: Integrated circuit chip with adaptive input-output port
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Bus or line termination (e.g., clamping, impedance matching, etc.) : With field effect-transistor)
Patent 5731712: Programmable gate array for relay ladder logic
(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 5731713: TTL to CMOS level translator with voltage and threshold compensation
(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 5731714: Off-chip driver circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : Integrated Injection Logic (I2L))
Patent 5731715: Glitch-free clock enable circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : CLOCKING OR SYNCHRONIZING OF LOGIC STAGES OR GATES : Current driving (e.g., fan in/out, off chip driving, etc.))
Patent 5731716: Programmable multibit register for coincidence and jump operations and coincidence fuse cell
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Decoding : With field-effect transistor : MOSFET)
Patent 5731717: Logic or memory element based on n-stable phase-locking of single-electron tunneling oscillation, and computer using the same
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MISCELLANEOUS : Negative resistance device)
Patent 5731718: Evaluation and amplifier circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : With sensing amplifier : With logic or bistable circuit)
Patent 5731719: Phase detector for a ternary signal
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Input signal compared to plural fixed references : With logic or bistable circuit : With single output)
Patent 5731720: Semiconductor integrated circuit device capable of reducing power consumption
(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 5731721: Integratable comparator circuit with adjustable response threshold
(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 determined by threshold of single circuit element : With transistor : Cross-coupled)
Patent 5731722: Low power capacitive load driving circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Current driver : Having capacitive load : Sample and hold)
Patent 5731723: Half symbol delay calibration for phase window centering
(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 5731724: Power short pulse generator having an input delay and a feedback delay in generating the output pulse
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Monostable : With single electron tube)
Patent 5731725: Precision delay circuit
(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 5731726: Controllable precision on-chip delay element
(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 5731727: Voltage control type delay circuit and internal clock generation circuit using the same
(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., complementary transistors, etc.) : Field-effect transistor : Resistor in cross-coupling path)
Patent 5731728: Digital modulated clock circuit for reducing EMI spectral density
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Clock or pulse waveform generating : Single clock output with single clock input or data input : Clock bus)
Patent 5731729: Voltage transient suppression circuit for preventing overvoltages in power transistor systems
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : By limiting, clipping, or clamping : Transient or signal noise reduction : By feedback limiting-clamping : Resistor in cross-coupling path)
Patent 5731730: Zero level setting circuit for A/D converter in a magnetic disk drive
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : By limiting, clipping, or clamping : Feedback : Of output current)
Patent 5731731: High efficiency switching regulator with adaptive drive output circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Parallel controlled paths : Including negative resistance device in delay circuit (e.g., unijunction transistor, etc.))
Patent 5731732: Gate drive technique for a bidirectional blocking lateral MOSFET
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Field-effect transistor : Insulated gate FET (e.g., MOSFET, etc.) : Bi-CMOS)
Patent 5731733: Static, low current sensing circuit for sensing the state of a fuse device
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Fusible link or intentional destruct circuit : Gaseous tube)
Patent 5731734: Zero power fuse circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Fusible link or intentional destruct circuit : Gaseous tube)
Patent 5731735: Power supply circuit for driving an integrated circuit, wherein the power supply is adjusted based on temperature so that a delay variation
(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 5731736: Charge pump for digital potentiometers
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Having particular substrate biasing : Having stabilized bias or power supply level : Charge pump details : With emitter follower)
Patent 5731737: Method and apparatus for reducing clock switching noise in continuous time filters
(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 5731738: Method and mechanism of weak pull-up for use with a microcontroller in an integrated circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Integrated structure : With specific layout or layout interconnections : With field-effect transistor)
Patent 5731739: Class A operational amplifier with area efficient MOS capacitor frequency compensation
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having field effect transistor :)
Patent 5731740: Circuit bias via transformer
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including push-pull amplifier : Having transformer : To eliminate crossover distortion)
Patent 5731741: Receiver frequency synthesizer-tuner providing high speed tuning
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Plural A.F.S. for a single oscillator : Plural comparators or discriminators :)
Patent 5731742: External component programming for crystal oscillator temperature compensation
(OSCILLATORS : WITH FREQUENCY CALIBRATION OR TESTING : With particular signal combining means (e.g., cavity mixer))
Patent 5731743: Frequency synthesizer having phase error feedback for waveform selection
(OSCILLATORS : RING OSCILLATORS : Parallel connected)
Patent 5731744: Voltage controlled oscillator
(OSCILLATORS : ELECTROMECHANICAL RESONATOR : Crystal : With sync, trigger, or pulsing circuit (e.g., self-pulsing))
Patent 5731745: High frequency oscillator circuits operable as frequency modulators and demodulators
(MODULATORS : FREQUENCY MODULATOR : Including stabilization or alternatively distortion, noise or other interference prevention, reduction, or compensation : Including electron discharge device)
Patent 5731746: Multi-frequency ceramic block filter with resonators in different planes
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : For providing frequency separation : Utilizing long line element : Using TEM lines)
Patent 5731747: Electronic component having a thin-film structure with passive elements
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : RC or RL type : With variable response)
Patent 5731748: Saw filter with specified electrode dimensions
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Using surface acoustic waves : Plural coupled vibrators)
Patent 5731749: Transmission line resonator filter with variable slot coupling and link coupling #10
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Coaxial : Tunable)
Patent 5731750: Spherical cavity mode transcendental control methods and systems
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Waveguide : Tunable : Monolithic structure)
Patent 5731751: Ceramic waveguide filter with stacked resonators having capacitive metallized receptacles
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Waveguide : Including directly coupled resonant sections : Monolithic structure)
Patent 5731752: Microwave signal frequency multiplier
(WAVE TRANSMISSION LINES AND NETWORKS : FREQUENCY MULTIPLIERS : Waveguide type)
Patent 5731753: Ceramic resonator, for microwave ceramic filters, having at least one chamfer which provides for overtone suppression
(WAVE TRANSMISSION LINES AND NETWORKS : RESONATORS (DISTRIBUTED PARAMETER TYPE) : Coaxial or shielded : With tuning)
Patent 5731754: Transponder and sensor apparatus for sensing and transmitting vehicle tire parameter data
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Tire deflation or inflation : With particular telemetric coupling : Radio wave : Specifying particular start/destination)
Patent 5731755: Vehicular U-turn indicator
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External alarm or indicator of movement : Turning or steering : With particular display means)
Patent 5731756: Universal encrypted radio transmitter for multiple functions
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular coupling link : Radio : Including remote residential device : Tracking location (e.g., GPS, etc.))
Patent 5731757: Portable tracking apparatus for continuous position determination of criminal offenders and victims
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))
Patent 5731758: Toilet water economizer
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Material level : Pressure)
Patent 5731759: Combination flashlight, smoke detector and emergency alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Particle suspension in fluid : Smoke : Float sensor)
Patent 5731760: Apparatus for preventing accidental or intentional fuse blowing
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Fuse or circuit breaker : Wet cell type)
Patent 5731761: Inclination sensor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Position responsive : Tilt : Conveyor belt)
Patent 5731762: Data medium for identifying objects, scanning device for interrogation of the data medium and process for controlling the data medium
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Interrogation response : Response signal detail : Identification only : Audible)
Patent 5731763: Video/TV access controller
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Pulse responsive actuation : Serial : Radio link : Counting chain)
Patent 5731764: Power control system for connecting and verifying slave connections
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Monitoring in addition to control (e.g., supervisory) : Control then monitoring : Having manual control input)
Patent 5731765: Mains signalling systems
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With meter reading : Having plural transmitters : Having acoustic sensor)
Patent 5731766: Route guide system and method
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : Rudder position indicator)
Patent 5731767: Information encoding method and apparatus, information decoding method and apparatus, information recording medium, and information
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)
Patent 5731768: Method and apparatus for implementing codes with maximum transition run length
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from run length limited codes : Binary to or from ternary)
Patent 5731769: Multi-rate digital filter apparatus and method for sigma-delta conversion processes
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Data rate conversion : Binary to or from ternary)
Patent 5731770: Digital data buffering device
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Data rate conversion : Binary to or from ternary)
Patent 5731771: Circuit for locking a signal to a reference value
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)
Patent 5731772: Method and apparatus for compensation for a DC voltage offset of a digital to analog converter
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)
Patent 5731773: Half-order hold direct digital frequency synthesis
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5731774: Digital-to-analog converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5731775: Subranging converter with plurality of resistor strings and transistor switches
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using ladder network)
Patent 5731776: Analog-to-digital converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Parallel type :)
Patent 5731777: Radio-frequency absorbing fin blanket
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADIO WAVE ABSORBER : With particular geometric configuration :)
Patent 5731778: FM-CW radar apparatus for measuring relative speed of and distance to an object
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS EXTERNAL DEVICE : Radar mounted on and controls land vehicle : With terrain avoidance or alarm)
Patent 5731779: Detection range adjusting system of obstacle detection apparatus for vehicle
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS EXTERNAL DEVICE : Radar mounted on and controls land vehicle : With terrain avoidance or alarm)
Patent 5731780: Radar system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS RADAR SYSTEM : Antenna control : Physical orientation : With VOR/TACAN)
Patent 5731781: Continuous wave wideband precision ranging radar
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DISTANCE : With pulse modulation : Digital (e.g., with counter) : Combined with pulse modulation (e.g., frequency agile))
Patent 5731782: Ranging systems
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DISTANCE : With correlation : Combined with determining direction)
Patent 5731783: Method and apparatus for estimating radar signal polarisation
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : With polarization : With sweep expansion)
Patent 5731784: Adaptive pulse shaping implementation and method for control of solid state transmitter spectrum and time sidelobes
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : For pulse modulation : With pulse shaping : Cursor)
Patent 5731785: System and method for locating objects including an inhibiting feature
(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) : Tracking or monitoring (i.e., lost or stolen vehicles) :)
Patent 5731786: Compaction of SATPS information for subsequent signal processing
(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) : Determining relative position (e.g., distance or direction) :)
Patent 5731787: Iode changeover coverage for GPS signals
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : With accuracy enhancing : Using differential correction :)
Patent 5731788: Global positioning and communications system and method for race and start line management
(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) : Tracking or monitoring (i.e., lost or stolen vehicles) :)
Patent 5731790: Compact optical controller for phased array systems
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : Eliptical)
Patent 5731791: Antenna connecting device for portable radio sets
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)
Patent 5731792: Electrocapillary color display sheet
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Color)
Patent 5731794: Color panel display device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Color : Including transformer)
Patent 5731795: Matrix display device having low power consumption characteristics
(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) : Resistor-diode arrangement)
Patent 5731796: Liquid crystal display driving method/driving circuit capable of being driven with equal voltages
(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) : Waveform generation : Field period polarity reversal : Smooth or continuous)
Patent 5731797: Driving method for spatial light modulator and projection display 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) : Light-controlling display elements : Liquid crystal display elements (LCD) : Waveform generation : Ferroelectric liquid crystal elements : Smooth or continuous)
Patent 5731798: Circuit for outputting a liquid crystal display-controlling signal in inputting data enable signal
(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) : Specific display element control means (e.g., latches, memories, logic) : Particular timing circuit : Smooth or continuous)
Patent 5731799: Pixel-wise video registration system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Merge or overlay : Image based : Augmented reality (real-time))
Patent 5731800: Output method and apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Character generating : Alteration of stored font : Character generation using control points or hints)
Patent 5731801: Two-handed method of displaying information on a computer display
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Menu or selectable iconic array (e.g., palette) : Sub-menu structure : Tear off : Scrolling (e.g., spin dial))
Patent 5731802: Time-interleaved bit-plane, pulse-width-modulation digital display system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Intensity or color driving control (e.g., gray scale) : Temporal processing (e.g., pulse width variation over time : Binary weighted : Photosensor encoder)
Patent 5731803: Array with light active units sized to eliminate artifact from size difference
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Color)
Patent 5731804: Method and apparatus for providing high bandwidth, low noise mechanical I/O for computer systems
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Animation)
Patent 5731805: Method and apparatus for eyetrack-driven text enlargement
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Animation)
Patent 5731806: Interrupt based positioning system for joysticks and method therefor
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Joystick : Scaling)
Patent 5731807: Apparatus and method for customizing the shape of a computer mouse to an individual's hand
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Scaling)
Patent 5731808: Ergonomic keyboard
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Trackball)
Patent 5731809: Adaptive display memory management system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Shared memory : Unified memory architecture (e.g., UMA) : Data transfer between system memory display memory)
Patent 5731810: Display device with character masking function
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Frame buffer : Character memory : Multiple planes)
Patent 5731811: Window-based memory architecture for image compilation
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Plural storage devices : Memory arbitration)
Patent 5731812: Liquid crystal display (LCD) protection circuit
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Display power source : Having three or more voltage levels)
Patent 5731813: Graphical user interface for graphically representing, organizing, and selecting application programs and documents
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Menu or selectable iconic array (e.g., palette) : Window memory structure)
Patent 5731814: Method and apparatus for identifying an object selected on a computer output display
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Interface represented by 3D space : Shortcut)
Patent 5731815: Method for automatically restoring consistency in a hierarchical object structure in a computer after a user interaction, and computer
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Hierarchy or network structure : Picking 3D objects)
Patent 5731816: System and method for direct modeling of fillets and draft angles
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension :)
Patent 5731817: Method and apparatus for generating a hexahedron mesh of a modeled structure
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension : Tessellation : Z buffer (depth buffer))
Patent 5731818: Method and apparatus for constrained gamut clipping
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Gamut clipping or adjustment :)
Patent 5731819: Deformation of a graphic object to emphasize effects of motion
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Distortion : Hierarchy of transformations (e.g., hierarchy of global and local coordinate))
Patent 5731820: Curve-length approximation apparatus and method
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Shape generating : Curve : Image based (addressing))
Patent 5731821: Computer user interface for step-driven character animation
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Animation : Motion planning or control : Scaling)
Patent 5731822: Picture display device, projection device provided with three such picture display devices, and picture tube suitable for use in such a
(TELEVISION : VIDEO DISPLAY : Cathode-ray tube : Support : Implosion protection)
Patent 5731823: Automatic optimization of hardcopy output for enhanced appearance and throughput
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : With conveyed object)
Patent 5731824: Ink level sensing system for an ink jet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of fluid (e.g., ink flow rate, viscosity, etc.) : Fluid content (e.g., moisture or solvent content, ink refilling, liquid level) :)
Patent 5731825: Image recording apparatus and method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Creating plural tones : Full-line array)
Patent 5731826: Ink jet recording apparatus, ink jet recording head therefor and method for determining the ejection state thereof
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Measuring and testing (e.g., diagnostics) : With particular cooling means)
Patent 5731827: Liquid ink printer having apparent 1XN addressability
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : With oscillatory motion)
Patent 5731828: Ink jet head, ink jet head cartridge and ink jet apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Thermal force generators : Resistor specifics : Integrated)
Patent 5731829: Information processing and recording apparatus with two recording medium conveyance routes
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Medium and processing means : Physical handling : Ink)
Patent 5731830: Electrophotography recording method and recording apparatus using the method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Hand-held)
Patent 5731831: Dynamic-pressure gas bearing structure and optical deflection scanning apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : Having lens : Including deflector : For detecting color)
Patent 5731832: Apparatus and method for detecting motion in a video signal
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Intrusion detection : Motion detection : Motion detection)
Patent 5731833: Solid-state image pick-up device with reference level clamping and image pick-up apparatus using the same
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Using distinct luminance image sensor)
Patent 5731834: Replaceable CCD array and method of assembly
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Support or housing : For internal camera components : Periodic shuttering)
Patent 5731835: Dynamic coding rate control in a block-based video coding system
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Including one conventional or compatible channel (e.g., two channel NTSC systems))
Patent 5731836: Method of video encoding by accumulated error processing and encoder therefor
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)
Patent 5731837: Quantization circuitry as for video signal compression systems
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Quantization : Having SAW or charge-transfer device)
Patent 5731838: Apparatus for decoding moving picture data
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)
Patent 5731839: Bitstream for evaluating predictive video decoders and a method of generating same
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Bidirectional : Subband coding)
Patent 5731840: Video coding/decoding apparatus which transmits different accuracy prediction levels
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)
Patent 5731841: High performance data tuner for video systems
(TELEVISION : NONPICTORIAL DATA PACKET IN TELEVISION FORMAT : Full field : Frequency change of subcarrier)
Patent 5731842: TV signal codec with amplitude limitation and a shift
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)
Patent 5731843: Apparatus and method for automatically adjusting frequency and phase of pixel sampling in a video display
(TELEVISION : SYNCHRONIZATION : Automatic phase or frequency control : Of sampling or clock : Noise inversion)
Patent 5731844: Television scheduling system for displaying a grid representing scheduled layout and selecting a programming parameter for display or
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : OPERATOR INTERFACE : To facilitate tuning or selection of video signal : Electronic program guide : For displaying additional information :)
Patent 5731845: Method and apparatus for correcting contour of color image signal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Transition or edge sharpeners : Color television processing : Including horizontal transition)
Patent 5731846: Method and system for perspectively distoring an image and implanting same into a video stream
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Geometric transformation : Size change : Compression)
Patent 5731847: Subtitle encoding/decoding method and apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Including insertion of characters or graphics (e.g., titles) : Including hue detection (e.g., chroma key))
Patent 5731848: Digital VSB detector with bandpass phase tracker using Ng filters, as for use in an HDTV receiver
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Ghost elimination (e.g., multipath) : Complementary system (e.g., preemphasis - deemphasis))
Patent 5731849: Movement vector detecting apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Motion vector generation : Diode)
Patent 5731850: Hybrid hierarchial/full-search MPEG encoder motion estimation
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Motion vector generation : Diode)
Patent 5731851: Method for determining feature points based on hierarchical block searching technique
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Motion vector generation : Diode)
Patent 5731852: Image/audio information recording and reproducing apparatus using a semiconductor memory
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : With details of static storage device : Accessing circuitry : Including processor interface (e.g., CPU) : Keyed)
Patent 5731853: Display device
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Stereoscopic : For protection)
Patent 5731854: Method of effectively dispersing static electricity in LCD production by placing a short line in the end region of one substrate which extends
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With antistatic elements : In active matrix with separate dedicated capacitor line)
Patent 5731855: Liquid crystal display device having a film for protecting interface between interlayer insulating film and underlying layer and
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With particular switching device : Transistor : Structure of transistor :)
Patent 5731856: Methods for forming liquid crystal displays including thin film transistors and gate pads having a particular structure
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With particular switching device : Transistor : Structure of transistor :)
Patent 5731857: Picture display device with microlens array and beam refracting element array on each side or opposite reflector
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Microlenses : Formed by particular technique)
Patent 5731858: Reflection type liquid crystal display device and method of manufacturing the same
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Diffuser (on viewer side of liquid crystal) : Opaque mask or black mask)
Patent 5731859: Cholestric liquid crystal device and a method for its manufacture
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Particular nonoptical film or layer (e.g., adhesive layer, barrier layer) : Alignment layer : With different alignments on opposite substrates : Having structure produced by rubbing under particular rubbing conditions (e.g., particular direction, rubbing force, by using named rubbing material or roller, etc.))
Patent 5731860: Method of manufacturing liquid crystal panel and press device to be adopted in the method
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Substrate : Plural types in single liquid crystal cell)
Patent 5731861: Composite material, display device using the same and process of manufacturing the same
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL : Utilizing change within liquid crystal phase (e.g., Grandjean to focal conic, etc.) : Nonchiral additive in the liquid crystal material)
Patent 5731862: Hyperocular lens assembly attachable to an eyeglass lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With antiglare or shading : Removable and/or adjustable filters or screens (e.g., clip-on type) : Having support or cabinet)
Patent 5731863: Ophthalmic apparatus for inspecting a refractive power of an eye
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Subjective type : Including illuminator)
Patent 5731864: Focus detecting photoelectric converting apparatus for a camera
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Plural focusing or rangefinding areas : With Position Sensitive Device (PSD))
Patent 5731865: Photometric system for a photographic printing apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Multicolor picture : Regulating light intensity or exposure time : Including detailed diaphragm)
Patent 5731866: Apparatus and a method for irradiating a section of a length of a sheet-like material
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for original : Including adjustable or selective masking frame)
Patent 5731867: Analyzer for analyzing erythrocytes in urine with flow cytometry
(OPTICS: MEASURING AND TESTING : PLURAL TEST : Lamp attachments)
Patent 5731868: Method for characterizing the nature of fluid in machine for washing articles
(OPTICS: MEASURING AND TESTING : PLURAL TEST : Lamp attachments)
Patent 5731869: Optical fiber testing method for measuring connection location and connection loss
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)
Patent 5731870: Intelligent sensor method and apparatus for an optical wheel alignment machine
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Wheel alignment with photodetection : With photodetection of reflected beam angle with respect to a unidirectional source beam)
Patent 5731871: Light quantity measuring device that can accurately measure quantity regardless of polarization of measured light
(OPTICS: MEASURING AND TESTING : PHOTOMETERS : Photoelectric : Plural detectors : With light detector)
Patent 5731872: Plasma manipulator
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With sample excitation (e.g., burning) : By high frequency field (e.g., plasma discharge) : Including sputtering)
Patent 5731873: Fluorescent spectrophotometer system with automatic calibration and improved optics block
(OPTICS: MEASURING AND TESTING : SAMPLE, SPECIMEN, OR STANDARD HOLDER OR SUPPORT (E.G., PLATES OR SLIDES) : Surface standard)
Patent 5731874: Discrete wavelength spectrometer
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrometer : Having beam modulation)
Patent 5731875: Particle sensor with fiber optic conductor
(OPTICS: MEASURING AND TESTING : FOR SIZE OF PARTICLES : By particle light scattering : Having adjustable color or bandwidth)
Patent 5731876: Method and apparatus for on-line determination of the thickness of a multilayer film using a partially reflecting roller and low coherence
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Thickness : Surface displacement due to acoustic wave propagation))
Patent 5731877: Automated system utilizing self-labeled target by pitch encoding
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Position transverse to viewing axis : Special mark or target on object : Moire)
Patent 5731878: Measuring apparatus with transmitter and receiver optically coupled with windshield surface
(OPTICS: MEASURING AND TESTING : OF LIGHT REFLECTION (E.G., GLASS) : By comparison : With scanning, sweeping, or moving detector over film)
Patent 5731879: Simplex/duplex image forming apparatus with document memory
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5731880: Image processing apparatus for discriminating an original having a predetermined pattern
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5731881: Engraving method and apparatus using cooled magnetostrictive actuator
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Engraving or perforating material to form a printing surface (e.g., printing plate, cylinder, or stencil) : Mechanical arrangement for forming a printing surface : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5731882: Image communication apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Reduced time or bandwidth for static image communication : Condition based selection or control of image coding technique or communication arrangement : Communication error rate or level : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5731883: Apparatus and method for producing integral image elements
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Picture size conversion : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5731884: Method of an apparatus for outputting halftone dot image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Multi-level image reproduction (e.g., gray level reproduction) : Halftoning (e.g., a pattern of print elements used to represent a gray level) : Adaptive error diffusion)
Patent 5731885: Recording apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Linear scanning pattern : Document moves during scanning : Internal scan)
Patent 5731886: Birefringent compensator for reflective polarizers
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : By changing physical characteristics (e.g., shape, size or contours) of an optical element : Shape or contour of light control surface altered : Amplitude modulation)
Patent 5731887: System and method for photonic facility and line protection switching
(OPTICAL COMMUNICATIONS : FAULT RECOVERY : Bypass inoperative element : Spare channel or standby optical fiber : Using a secondary ring or loop)
Patent 5731888: Apparatus for performing exposure by scanning with optical beams
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Utilizing plural light beams : Having a common axis of rotation)
Patent 5731889: Wavelength division demultiplexing device, and system using it
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Modulation of polarized light via modulating input signal : Kerr cell : Liquid medium)
Patent 5731890: Aromatic rings with rotated adjacent chromophores
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Having particular chemical composition or structure : Electro-optic)
Patent 5731891: Optical amplifier
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Optical fiber : Bi-directional : Interferometer or interference)
Patent 5731892: Article comprising hybrid optical fiber amplifier
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Correction of deleterious effects : Complementary, adjusting stages : Interferometer or interference)
Patent 5731893: Portable microscope for inspecting fiber optic cable
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Spacing of optical elements axially adjustable : Plural oculars)
Patent 5731894: Multi-purpose microscope objective
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Illuminator : Using polarized light : Binocular)
Patent 5731895: Post mounted reflector
(OPTICAL: SYSTEMS AND ELEMENTS : SIGNAL REFLECTOR : Sealing)
Patent 5731896: Microscope
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : By movable refractive structure : Having plural reflecting surfaces)
Patent 5731897: Zoom lens with an image stabilizing function
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : By movable refractive structure : Having plural reflecting surfaces)
Patent 5731898: Optical filter arrangement
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT INTERFERENCE : Produced by coating or lamina : Layers having specified index of refraction : Plural layer groups lateral in parallel light paths : With single transparent coating between spheres and atmosphere)
Patent 5731899: Lenslet array system incorporating an integral field lens/reimager lenslet array
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By surface composed of lenticular elements : Plural lenticular plates : Adjustable)
Patent 5731900: Optical reflector
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By surface composed of lenticular elements : Reflective : Serially disposed along optic axis)
Patent 5731901: Dual focusing optical pickup device
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Noncircular cross section)
Patent 5731902: Head-up display combiner binocular test fixture
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Superimposing visual information on observer`s field of view (e.g., head-up arrangement, etc.) : Serially disposed along optic axis)
Patent 5731903: Virtual image instrument panel display
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Superimposing visual information on observer`s field of view (e.g., head-up arrangement, etc.) : With additional reflector (e.g., serial reflections, etc.) : Cylindrical lenslets)
Patent 5731904: Fabricating an optical device having at least an optical filter and a mirror
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Wavelength selective (e.g., dichroic mirror, etc.) : With additional reflector (e.g., serial reflections, etc.))
Patent 5731905: Eyepiece lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Eyepiece : Having two components : With additional reflector (e.g., serial reflections, etc.))
Patent 5731906: Gradient index optical element
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With graded refractive index : Projection type)
Patent 5731907: Auxiliary lens with liquid element for correcting secondary color
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Fluid : Having less than four components)
Patent 5731908: Photographic lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Anamorphic : With gas)
Patent 5731909: Method for increasing the power of an elastically deformable lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : To the rear of a basic lens)
Patent 5731910: Optical system with variable image scale
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Three groups : + - - + Arrangement)
Patent 5731911: Zoom lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Three groups : + - - + Arrangement)
Patent 5731912: Photographing lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Two groups : + - + Arrangement)
Patent 5731913: Lens barrel with improved cam ring structure
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : Having cam device : Cam groove type : Auto focusing)
Patent 5731914: Zoom lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With multipart element : Echelon (e.g., Fresnel lens, etc.) : Between lens components)
Patent 5731915: Readout lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Multiple component lenses : Four components : First component positive : + - - + Arrangement : With multiple element component : With single or parallel objectives)
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