Patents 5637931 - 5638186

 

 

Patent 5637931: Safety apparatus for an electrical iron
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Condition responsive : Selectively actuated)

Patent 5637932: Power consumption control system
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Condition responsive : Electrical : Speed, centrifugal or kinetic force)

Patent 5637933: Electrical systems and connectors
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : CONDUCTOR ARRANGEMENTS OR STRUCTURE : Switch actuation)

Patent 5637934: High expansion magnetohydrodynamic liquid metal generator of electricity
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Conducting fluid : Piezoelectric element shape)

Patent 5637935: Double-duct liquid metal magnetohydrodynamic engine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Conducting fluid : Piezoelectric element shape)

Patent 5637936: Electromagnetically powered engine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Reciprocating : With other elements : Motion-converting mechanism : Solenoid and core type : Plural cores : Output member detail)

Patent 5637937: Super-miniature motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Miniature motors : Banding)

Patent 5637938: Tuned dynamic vibration absorber
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Vibration or noise suppression : Step-by-step)

Patent 5637939: Pocket attachment to rim
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Inertia or fly-wheel device : Motion responsive (e.g., centrifugal switches))

Patent 5637940: Electric Actuator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Drive mechanism : Motion conversion : Distributor or timer (e.g., ignition magnetos))

Patent 5637941: Shaftless spinning rotor for an open-end spinning machine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Magnetic bearing : Impulse coupling)

Patent 5637942: Aerodynamic drag reduction arrangement for use with high speed rotating elements
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : A.C. : Induction : D.C. excited)

Patent 5637943: Rotor groove
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Secondary windings or conductors : Squirrel cage : Wave)

Patent 5637944: Flat disk commutator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Rotary structure : Commutators : Disc : Multifrequency)

Patent 5637945: Brushless motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Rotor structure : Armatures : Disc : With composition feature)

Patent 5637946: Thermally energized electrical power source
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Thermal or pyromagnetic : Direct charge particle emission)

Patent 5637947: Method and apparatus for operating a generator supplying a high-frequency power to an ultrasonic transducer
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Electrical systems : Input circuit for simultaneous electrical and mechanical output from piezoelectric element : Grating or reflector in wave path)

Patent 5637948: Ultrasonic motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with resonant structure : Direct mechanical coupling : Motor producing continual motion : Traveling wave motor : Stator :)

Patent 5637949: Piezoelectric actuator sensitive to reducing gas
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : Bending type : Detector (e.g., sensor))

Patent 5637950: Field emission devices employing enhanced diamond field emitters
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGE DEVICES HAVING A THERMIONIC OR EMISSIVE CATHODE : Discharge control electrode)

Patent 5637951: Electron source for multibeam electron lithography system
(ELECTRIC LAMP AND DISCHARGE DEVICES : ELECTRODE AND SHIELD STRUCTURES : Point source cathodes : Rod electrode or shield)

Patent 5637952: High-current cathode for picture tubes including a grid 3-electrode having a diaphragm with reduced apertures
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Plural beam generating or control : Convergence : With studs)

Patent 5637953: Cathode assembly for a line focus electron beam device
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : Plural)

Patent 5637954: Flat-panel type picture display device with electron transport ducts and a double selection structure
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : Flat tube type : Including non-planar elements)

Patent 5637955: Deflection yoke for cathode-ray tube comprising a separator made out of ferrite and plastic materials
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : With yoke : Electrostatic)

Patent 5637956: Color cathode ray tube with reduced halo
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Ray generating or control : Including cathode assembly : With control grid adjacent cathode : With support)

Patent 5637957: Cathode-anode spacer comprising a projection of a length limited relative to its distance to the cathode
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Vacuum-type tube : Phosphor on envelope wall)

Patent 5637958: Grooved anode plate for cathodoluminescent display device
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Vacuum-type tube : Phosphor on anode segments : Envelope structure or material)

Patent 5637959: Position sensitive photomultiplier
(ELECTRIC LAMP AND DISCHARGE DEVICES : PHOTOSENSITIVE : Photomultiplier : Having plural dynodes : Light conducting fiber or rod)

Patent 5637960: Ceramic discharge vessel for a high-pressure discharge lamp, having a filling bore sealed with a plug, and method of its manufacture
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Having electrode lead-in or electrode support sealed to envelope : End plug seal : Substantially the full length of discharge path)

Patent 5637961: Concentric rings with different RF energies applied thereto
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Plasma generating : With magnetic field : Induction type : Discharge control discharge device)

Patent 5637962: Plasma wake field XUV radiation source
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Plasma generating : Automatic cut-out or voltage regulator in the cathode or heater circuit)

Patent 5637963: Electrodeless lamp having a narrow gap between a sealed tube and the arc chamber so as to form a consistent cold spot
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Induction-type discharge device load : Strobe lights)

Patent 5637964: Remote control system for individual control of spaced lighting fixtures
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Plural load device regulation : Regulator selectively connectable to plural circuits : Relatively movable core and coil-type inductance)

Patent 5637965: Low pressure sodium-mercury lamp yielding substantially white light
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD : Plural gases or vapors in the discharge device : Condenser in the control circuit)

Patent 5637966: Method for generating a plasma wave to accelerate electrons
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : HIGH ENERGY PARTICLE ACCELERATOR TUBE : With injection or extraction means : Linear accelerator (Linac))

Patent 5637967: Regeneration control device using brake inertia in industrial electric vehicles and method therefor
(ELECTRICITY: MOTIVE POWER SYSTEMS : BRAKING : Dynamic braking : Regenerative : Speed, acceleration, movement or position of motor or driven device)

Patent 5637968: Power tool with automatic downshift feature
(ELECTRICITY: MOTIVE POWER SYSTEMS : CONSTANT MOTOR CURRENT, LOAD AND/OR TORQUE CONTROL : Initial, "cracking" or "starting from rest" torque control)

Patent 5637969: Vibration control method
(ELECTRICITY: MOTIVE POWER SYSTEMS : CONSTANT MOTOR CURRENT, LOAD AND/OR TORQUE CONTROL : Initial, "cracking" or "starting from rest" torque control)

Patent 5637970: Motor speed control apparatus and motor speed control method
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Adaptive or optimizing systems including "bang-bang" servos : Mechanical gearing)

Patent 5637971: Suppression of multiple noise-related signals in pulse width modulated signals
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Pulse-width modulated power input to motor (e.g., "duty cycle" systems) : Slewing systems)

Patent 5637972: Rotor position encoder having features in decodeable angular positions
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With stabilizing features (e.g., anti-hunting, damping) : By auxiliary feedback loop : Rate feedback : Optical or photoelectric line followers)

Patent 5637973: Noncontacting electric power transfer apparatus, noncontacting signal transfer apparatus, split-type mechanical apparatus employing these
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular "error-detecting" means : Photoelectric or optical-type measuring instruments : A.C. networks)

Patent 5637974: Method and apparatus for hybrid direct-indirect control of a switched reluctance motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SYNCHRONOUS MOTOR SYSTEMS : Hysteresis or reluctance motor systems : Cyclically varying or repeated speed schedules)

Patent 5637975: Power factor corrector for A.C. induction motors
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Power-factor control : Having a plurality of windings or winding portions)

Patent 5637976: Method and apparatus for RMS current measurement in induction motors without a current transformer
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Frequency control : With voltage phase angle control : With controlled magnetic reactance)

Patent 5637977: Connector assembly used in supplying electricity to a receiver
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Charging station for electrically powered vehicle : Employing "jumper" cable)

Patent 5637978: Battery booster
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : ONE CELL OR BATTERY CHARGES ANOTHER : Vehicle battery charging :)

Patent 5637979: Rechargeable battery charging method and apparatus
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : SERIALLY CONNECTED BATTERIES OR CELLS : For handheld device)

Patent 5637980: Battery charging/discharging switching control protective circuit
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL DISCHARGING : With charging : Bypassable battery cell)

Patent 5637981: Method for charging a secondary battery and charger used therefor using constant current and constant voltage
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : Multi-rate charging (e.g., plural charge rates before a maintenance charge, etc.) : Detection of current or voltage amplitude)

Patent 5637982: Method and system for detecting full charge of a rechargeable battery in a portable computer system
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : With thermal condition detection : Hysteresis type (e.g., antichattering, etc.))

Patent 5637983: Charger for electric accumulators
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : With detection of current or voltage amplitude : Detection of current or voltage amplitude)

Patent 5637984: Pseudo-mechanical system incorporating ohmic electromechanical transducer and electrical generator
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : COMBINED CONTROL OF GENERATING MEANS AND LOAD CIRCUIT : Including load circuit-making and breaking :)

Patent 5637985: Alternator control system
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS : Voltage of generator or circuit supplied : Including an electrical condition)

Patent 5637986: Power control device of alternator for vehicle
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS : Voltage of generator or circuit supplied : Including an electrical condition)

Patent 5637987: Regenerative vehicle launch
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : POWER TRANSMITTING MECHANISM CONTROL : Electric motor control)

Patent 5637988: Switching power supply attaining sinusoidal input current
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using choke and switch across source : In bridge)

Patent 5637989: Energy savings apparatus
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using a three or more terminal semiconductive device : In bridge)

Patent 5637990: High speed, large-current power control apparatus
(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 plural condition sensing : For protective system : With current sensor :)

Patent 5637991: Power supply including a detection and switch system for uni-plane and split-plane devices
(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 reference voltage circuitry)

Patent 5637992: Voltage regulator with load pole stabilization
(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 : Including parallel paths (e.g., current mirror) : With additional stage)

Patent 5637993: Error compensated current mirror
(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 : Including parallel paths (e.g., current mirror) : With additional stage)

Patent 5637994: Waveform measurement
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Analysis of complex waves : Amplitude distribution : Permanent magnet type)

Patent 5637995: Magnetic detection device having a magnet including a stepped portion for eliminating turbulence at the MR sensor
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including speed-related frequency generator : Including magnetic detector : Permanent magnet type : High voltage speed signal type)

Patent 5637996: Toy system with movable vehicles
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including "event" sensing means : Including radiant energy detector)

Patent 5637997: Angular displacement sensor with movable inductance affecting component
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Inductive : Electrically energized : Pulsating or alternating current for the anode)

Patent 5637998: Digital system for detecting angular position
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Rotary : Magnetoresistive)

Patent 5637999: Opamp based broad band phase shifter for use in detecting flaws in the media of disks for use in disk drives
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetic information storage element testing : Dynamic information element testing : Magnetoresistive)

Patent 5638000: Method and apparatus for electro-magnetically testing elongated objects
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : Electrically energized nonforce type sensor : Material flaw testing : Material flaw testing)

Patent 5638001: Magnetic resonance apparatus including a monitor
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5638002: Measurement circuit for a modular system of electrical cells connected in series, in particular for a system of the storage batterytype
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a battery testing device : To determine plural cell condition : Including an integrating device)

Patent 5638003: Method and apparatus for testing surface breakdown of dielectric materials caused by electrical tracking
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : For fault location : Where component moves while under test : By exposing component to liquid or gas while under test : Plural sensors)

Patent 5638004: Multiconductor continuity and intermittent fault analyzer with dynamic stimulation
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Multiconductor cable : With barrier layer)

Patent 5638005: Predictive waveform acquisition
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : System sensing fields adjacent device under test (DUT) : Using electron beam probe : Of reflected test signal)

Patent 5638006: Method and apparatus for wafer level prediction of thin oxide reliability using differentially sized gate-like antennae
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Test of semiconductor device : Cantilever)

Patent 5638007: Method and apparatus for limiting the slew rate of output drivers of an integrated circuit by using programmable flash cells
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Output switching noise reduction : With field effect-transistor : Depletion or enhancement)

Patent 5638008: Method and apparatus for generating an asynchronously clocked signal in a synchronously clocked programmable device
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : With field effect-transistor)

Patent 5638009: Three conductor asynchronous signaling
(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 5638010: Digitally controlled oscillator for a phase-locked loop providing a residue signal for use in continuously variable interpolation and
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synthesizer : With logic or bistable circuit)

Patent 5638011: Digital to analog converter (DAC) current source arrangement
(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 5638012: Write driver circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Current driver : Having inductive load (e.g., coil, etc.) : Sample and hold)

Patent 5638013: Charge redistribution circuit and method
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Generating staircase output : Frequency multiplication (e.g., harmonic generation, etc.))

Patent 5638014: Clock pulse generator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With amplitude control)

Patent 5638015: Avoiding instability
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Using multiple clocks : Responsive to power supply)

Patent 5638016: Adjustable duty cycle clock generator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Rectangular (e.g., clock, etc.) or pulse waveform width control : Duty cycle control : By phase)

Patent 5638017: Pulse width modulation circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Rectangular (e.g., clock, etc.) or pulse waveform width control : Having digital device (e.g., logic gate, flip-flop, etc.) : By phase)

Patent 5638018: P-type flip-flop
(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) : Having at least two cross-coupling paths : With clock input)

Patent 5638019: Accurately generating precisely skewed clock signals
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Clock or pulse waveform generating : Plural outputs : With common output)

Patent 5638020: Switched capacitor differential circuits
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Signal transmission integrity or spurious noise override : Parasitic prevention or compensation (e.g., parasitic capacitance, etc.) : Temperature control)

Patent 5638021: Power semiconductor component with temperature sensor
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : EXTERNAL EFFECT : Temperature : With compensation for temperature fluctuations : Inverse parallel connection)

Patent 5638022: Control system for periodic disturbances
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Unwanted signal suppression : With particular filament heating circuit)

Patent 5638023: Charge pump circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With bootstrap circuit : Bridge circuit)

Patent 5638024: Waste energy control and management in power amplifiers
(AMPLIFIERS : SIGNAL FEEDBACK : Plural amplifier channels : Including D.C. path for signal feedback)

Patent 5638025: Amplified output stage containing N-channel output transistors and capacitive coupling stage
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having push-pull amplifier stage :)

Patent 5638026: High input impedance circuit and semiconductor integrated device provided therewith
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having signal feedback means :)

Patent 5638027: Integrated circuit amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including frequency-responsive means in the signal transmission path : And bandpass, broadband (e.g., wideband) or sidepass means : Having emitter degeneration)

Patent 5638028: Circuit for generating a low power CPU clock signal
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : With reference oscillator or source : Signal or phase comparator : With motor comparator)

Patent 5638029: Circuit for externally overdriving an internal clock
(OSCILLATORS : WITH FREQUENCY CALIBRATION OR TESTING : With particular signal combining means (e.g., cavity mixer))

Patent 5638030: High frequency differential VCO with common biased clipper
(OSCILLATORS : RING OSCILLATORS : Parallel connected)

Patent 5638031: Precision oscillator circuit
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Relaxation oscillator : Inductor controlled AFC)

Patent 5638032: Nonreciprocal circuit element
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Nonreciprocal gyromagnetic type (e.g., circulators) :)

Patent 5638033: Three port slot line circulator
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Nonreciprocal gyromagnetic type (e.g., circulators) :)

Patent 5638034: Method and arrangement for tuning a combiner filter
(WAVE TRANSMISSION LINES AND NETWORKS : AUTOMATICALLY CONTROLLED SYSTEMS : Having branched circuits)

Patent 5638035: Coaxial cable distribution network having a reversible directional coupler
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : Including switching means :)

Patent 5638036: Acoustic wave ladder filter with unequal series and shunt transducer periodicities and method of making
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Using surface acoustic waves : Including spurious signal prevention or reduction means : Monolithic structure)

Patent 5638037: TM dual mode dielectric resonator and filter utilizing different size resonators
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Magnetostrictive wave transmission path)

Patent 5638038: Switch including breaker
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Automatic circuit-interrupting devices (e.g., circuit-protective devices) : With coaxial components)

Patent 5638039: Coil body made of synthetic material, an injection mold and method of making the coil body
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Contact composition or structure : Adjustable or readily detachable : Convertible from normally open to normally closed and vice versa : Movable contacts on circular card or comb structure)

Patent 5638040: Magnetic wiggler
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Electron or ion beam deflecting type : Pivoted or relatively movable independently of the armature)

Patent 5638041: Electromagnetic assembly
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : Alternating current type : Flux phase displacement or varying means : Shading coil : With armature-locking means)

Patent 5638042: Magnetic apparatus for extending the life of blade cuttng edges
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Permanent magnets : Plural magnets : With outer casing or housing)

Patent 5638043: Warning apparatus
(COMMUNICATIONS: ELECTRICAL : AUDIBLE INDICATION : Piezoelectric : By electromagnetically releasable latch)

Patent 5638044: Apparatus and method for preventing car-jacking
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including immobilization : User activated (e.g., car-jacking, etc.) : Off course, route re-search)

Patent 5638045: Vehicle signal light system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External signal light system : Brake light : With plural bulbs sequentially flashed)

Patent 5638046: Security system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular coupling link : Radio : Including central station detail : And remote station detail : Specifying particular start/destination)

Patent 5638047: Sound activated transmitter
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular coupling link : Radio : Including central station detail : Parent/child device)

Patent 5638048: Alarm system for swimming pools
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Disturbance of electromagnetic waves : Plural doors or windows)

Patent 5638049: Crime prevention display device, exhibit crime prevention alarm control method and apparatus therefor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Article on pedestal, in display case, or mounted on wall (e.g., work of art) : Specified connector (e.g., phone jack-type plug))

Patent 5638050: System for locating an object
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Alarm on protected article : Specified connector (e.g., phone jack-type plug))

Patent 5638051: Method and apparatus for monitoring an electrical drive
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Gas)

Patent 5638052: LED matrix display with LED control switches adjacent to each LED
(COMMUNICATIONS: ELECTRICAL : VISUAL INDICATION : Using light emitting diodes : With specified colors)

Patent 5638053: Model airplane channel extender
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via frequency channels : Channel assignment)

Patent 5638054: Paging receiver with modifiable features or functions
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Programming the receiver : Time based)

Patent 5638055: Communication resource allocation by interrupt status
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SEPARATE STATIONS : Plural transmitters or receivers (i.e., more than two stations) : Central station (e.g., master, etc.) : Channel allocation : Based on priority :)

Patent 5638056: Remote control apparatus
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Varying authorization : Code programming : Including temperature detection)

Patent 5638057: Ground fault detection and measurement system for airfield lighting system
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Land-based landing guidance : Electromechanical movable auxiliary indicator)

Patent 5638059: Audible altimeter for parachutists
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Flight alarm : Altitude : Magnetic field guide)

Patent 5638060: System switch device
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Actuated by physical projection)

Patent 5638061: Track ball mechanism and switch arrangement
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Actuated by physical projection)

Patent 5638062: Ergonomic input device
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Actuated by physical projection)

Patent 5638063: Code modulation method, code demodulation method, and code detection method
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)

Patent 5638064: Digital modulating/demodulating method and apparatus using same
(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 5638065: Maximum-likelihood symbol detection for RLL-coded data
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from run length limited codes : Binary to or from ternary)

Patent 5638066: Efficient packed encoding method for ASN.1
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from packed format : Binary to or from ternary)

Patent 5638067: Variable length coder
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from variable length codes : To or from Morse code)

Patent 5638068: Processing images using two-dimensional forward transforms
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from variable length codes : To or from Morse code)

Patent 5638069: High throughput variable length decoder and apparatus comprising such decoder
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from variable length codes : To or from Morse code)

Patent 5638070: Signal processing method and apparatus for transforming N-bit codes to M-bit codes wherein M is greater than N
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Byte length changed : To or from Hollerith code)

Patent 5638071: Efficient architecture for correcting component mismatches and circuit nonlinearities in A/D converters
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)

Patent 5638072: Multiple channel analog to digital converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Multiplex : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))

Patent 5638073: Method of linearizing variations in the transfer characteristic of a D/A converter, as well as an arrangement and use thereof
(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 5638074: Method and apparatus for slew limiting
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using ladder network)

Patent 5638075: Successive approximation ADC with rounding to vary bit number output
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Recirculating : Including priority encoder)

Patent 5638076: Automatic range reducing gating system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS RADAR SYSTEM : Receiver : Gating : Constant false alarm rate (CFAR))

Patent 5638077: Differential GPS for fleet base stations with vector processing mechanization
(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 5638078: Arrangement for providing communication and positioning in a guidance installation
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : Direction-finding receiver only)

Patent 5638079: Slotted waveguide array antennas
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Plural : Motor-driven)

Patent 5638080: Manufacture of a flexible antenna, with or without an inner permeable magnetic layer
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Including magnetic material : Loop type : With main and subreflector (Casse-grain type))

Patent 5638081: Antenna for enhanced radio coverage
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Balanced doublet - centerfed (e.g., dipole) : With parasitic element (e.g., reflector or director) : With parasitic element (e.g., reflector or director))

Patent 5638082: Vision testing system for stereoscopic viewing by a test person
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : SINGLE DISPLAY SYSTEM HAVING STACKED SUPERIMPOSED DISPLAY DEVICES (E.G., TANDEM) : Three-dimensional arrays : Number of pixels per row or column conversion (i.e., resolution conversion))

Patent 5638083: System for allowing synchronous sleep mode operation within a computer
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DATA RESPONSIVE CRT DISPLAY CONTROL : Plural image superposition)

Patent 5638084: Lighting-independent color video display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Physically movable array : Addressing)

Patent 5638085: Timing control for a matrixed scanned array
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Cathodolulminescent type : Field emissive (e.g., FED, Spindt, microtip, etc.) : Resistor-diode arrangement)

Patent 5638086: Matrix display with peripheral drive signal sources
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Cathodolulminescent type : Field emissive (e.g., FED, Spindt, microtip, etc.) : Resistor-diode arrangement)

Patent 5638087: Dot matrix type liquid crystal display apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Resistor-diode arrangement)

Patent 5638088: Method of driving STN liquid crystal panel and apparatus therefor
(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 : Three or more voltages : Smooth or continuous)

Patent 5638089: Coordinative detecting methods and apparatus for liquid crystal display unit and liquid crystal integral type tablet
(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) : Input/output liquid crystal display panel : Particular row or column control (e.g., shift register))

Patent 5638090: Window-dependent brightness/tint control for video digital-to-analog converters
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension :)

Patent 5638091: Process for the display of different grey levels and system for performing this process
(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 5638092: Cursor control system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Including orientation sensors (e.g., infrared, ultrasonic, remotely controlled) : Scaling)

Patent 5638093: Touch panel input device and control method thereof
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Having programmable function key)

Patent 5638094: Method and apparatus for displaying motion video images
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Addressing : Address generator : Plural address generators : Photosensor encoder)

Patent 5638095: Graphic pattern processing apparatus having a parallel to serial conversion unit
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Frame buffer : Unified memory architecture (e.g., UMA))

Patent 5638096: Computer screen frame
(SUPPORTS : EASEL; BOOK, COPY OR MUSIC SCORE HOLDER : Copyholder with writing machine engaging means : Including manipulatable latch)

Patent 5638097: Recording apparatus to which recording head is detachably mounted
(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 5638098: Document processing apparatus for controlling fixation of recorded ink
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Fluid content (e.g., moisture or solvent content, ink refilling, liquid level))

Patent 5638099: Removable service station sled for inkjet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : With particular cooling means)

Patent 5638100: Ink jet and ink preliminary ejecting method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Purging without a cap : Movement)

Patent 5638101: High density nozzle array for inkjet printhead
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Composite ejector : Flow path : Integrated)

Patent 5638102: Printer comprising a stack of strain responsive and voltage responsive films
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Specific electrostatic head : Developer or charger mechanism)

Patent 5638103: Method for recording and reproducing information, apparatus therefor and recording medium
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : By electrochemical : With record receiver or handling means therefor : Including toner delivery means)

Patent 5638104: Thermal line printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : By electrochemical)

Patent 5638105: Erasing method for image recorded on reversible heat-sensitive recording medium
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : By electrochemical)

Patent 5638106: Method and apparatus for adjusting a printhead
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Recording means engaging or holding means : Adjustable : Using pulse width modulation)

Patent 5638107: Interlace formatting in a hyperacuity printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Synchronization of light with medium : Including switching means)

Patent 5638108: Lower resolution led bars used for 600 SPI printing
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific light source (e.g., LEDs assembly) : Including switching means)

Patent 5638109: Method of recording image with laser beam
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Tone marking : By clock deviation)

Patent 5638110: Two dimensional slope thresholding in a hyperacuity printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Tone marking : By varying intensity of light beam : Specific lens)

Patent 5638111: Optical probe element, and a recording and reproduction device using the optical probe element
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : By varying dotting density)

Patent 5638112: Hybrid analog/digital STB
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM COMPONENTS : Receiver (e.g., set-top box) : Power signal over network)

Patent 5638113: Transaction based interactive television system
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH LOCAL INTERACTION : Receiver (e.g., set-top box) : With diverse device (e.g., personal computer, game player, VCR, etc.) : Diplex filter)

Patent 5638114: Multi-location control apparatus, television conference terminal unit, and multi-location television conference system
(TELEVISION : TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE) : Conferencing (e.g., loop) : Conferencing with multipoint control unit :)

Patent 5638115: Film image input system for reproducing a film image on a TV screen
(TELEVISION : SPECIAL APPLICATIONS : Film, disc or card scanning : Motion picture film scanner : Mechanical optical scanning : With alternating polarization)

Patent 5638116: Object recognition apparatus and method
(TELEVISION : SPECIAL APPLICATIONS : Navigation : Land vehicle : Color TV)

Patent 5638117: Interactive method and system for color characterization and calibration of display device
(TELEVISION : DISPLAY OR RECEIVER WITH BUILT-IN TEST SIGNAL GENERATOR, TEST PATTERN, OR ADJUSTING ADJUNCT : Setup : Color match comparator : With rotating reflector)

Patent 5638118: Image sensing device with diverse storage times used in picture composition
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Still and motion modes of operation : Exposure control : Video teleconferencing (including access or authorization))

Patent 5638119: Device for increasing the dynamic range of a camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Combined automatic gain control and exposure control (i.e., sensitivity control) : Responsive to output signal)

Patent 5638120: Electron shutter control with exposure control responsive to shutter gain differences
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Electronic shuttering : Frequency separable signals)

Patent 5638121: High-speed output of video image data from an array of photosensors
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Charge-coupled architecture : With timing pulse generator : With diode in series with photocell)

Patent 5638122: Video camera apparatus and automatic focusing circuit
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Focus control : Using image signal : With dichroic layer or air gap between prism sections)

Patent 5638123: Exposure control circuit apparatus
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Exposure control : Automatic control of iris, stop, or diaphragm : Based on image signal : Detection of peak or slope of image signal)

Patent 5638124: Video signal processing apparatus having an image inserting and extracting circuit for inserting an image into or extracting an image
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)

Patent 5638125: Quantization step size control apparatus using neural networks
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Quantization : Having SAW or charge-transfer device)

Patent 5638126: Method and apparatus for deciding quantization parameter
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Quantization : Having SAW or charge-transfer device)

Patent 5638127: Adaptive blocking image signal coding system
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Involving difference transmission (e.g., predictive) : Plural predictors : Including temporal predictor (e.g., frame difference) : Contrast)

Patent 5638128: Pixel interpolation filters for video decompression processor
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Bidirectional : Subband coding)

Patent 5638129: Image processing apparatus using a pixel-by-pixel motion estimation based on feature points
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)

Patent 5638130: Display system with switchable aspect ratio
(TELEVISION : FORMAT CONVERSION : Conversion between standards with different aspect ratios : Specified chrominance signal)

Patent 5638131: Method to synchronize video modulation using a constant time base
(TELEVISION : SYNCHRONIZATION : Automatic phase or frequency control : Of sampling or clock : Noise inversion)

Patent 5638132: Image sensing and display system and image pick up and display system
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : Multimode (e.g., composite, Y, C; baseband RF) : For receiving more than one format at will (e.g., NTSC/PAL) : For format with different aspect ratio : Locking rates)

Patent 5638133: Method of creating video effects by use of keyframes
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Specified details of key signal generation or processing : Including hue detection (e.g., chroma key))

Patent 5638134: Digital filter for picture data and digital filter system
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Specified color (e.g., saturation and contrast control))

Patent 5638135: Digital color encoder with improved circuitry
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Color encoder or chrominance signal modulator : For quadrature signal (e.g., NTSC))

Patent 5638136: Method and apparatus for detecting flesh tones in an image
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Hue control : Fleshtone corrector (e.g., fixed) : By phase change of chrominance signal or subcarrier : For color television)

Patent 5638137: Configurable video output channel architecture
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Gray scale transformation : Combined contrast control and brightness or DC level control : Including frame or field delays)

Patent 5638138: Method for electronic image dynamic range and contrast modification
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Gray scale transformation : Automatic range control (e.g., AGC, automatic contrast control) : With specified DC level control)

Patent 5638139: Motion adaptive scan-rate conversion using directional edge interpolation
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Motion dependent key signal generation or scene change detection : Specified processing of frame or field difference signal (e.g., noise reduction, key signal spreading) : Level derived within feedback path)

Patent 5638140: FPLL having AFC filter with limited phase shift
(TELEVISION : RECEIVER CIRCUITRY : Automatic frequency control : Tuning voltage)

Patent 5638141: Broadcast signal receiver having a low-noise amplifier inserted before a tuner
(TELEVISION : RECEIVER CIRCUITRY : Automatic frequency control : Tuning voltage)

Patent 5638142: Spatial light modulator system including a plurality of tiltable mirror devices and reflective means for equalizing the number of reflections
(TELEVISION : VIDEO DISPLAY : Projection device : Plural parallel light modulators : With optical element : Electron beam addressed)

Patent 5638143: Ferroelectric liquid crystal display device with a particular angle between the polarizer optical axes and the molecular director
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Polarizer : With particular non-zero angle between polarization axis and orientation direction : For ferroelectric liquid crystal : With particular insulating layer)

Patent 5638144: Back vision eyeglasses
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With rear-view reflectors : Polarizing)

Patent 5638145: Vented eyeglass lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With moisture prevention or absorption : Spring biased or secured by friction members)

Patent 5638146: Collapsible spectacles
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Folding : Spring biased or secured by friction members)

Patent 5638147: Eyeglass frame assembly with angle-adjustable temples
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Temples : Inclined to lens plane : Screwless lens mounting)

Patent 5638148: Hinge for spectacles having resilient mechanism contained in stationary part associated with frame
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Connectors : With particular hinge : With clamping arms)

Patent 5638149: Motorized applanation tonometer
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT :)

Patent 5638150: Hand-held slit lamp apparatus and associated methods
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including lens selectively insertable in optical path : On rotary disc : Hand held type :)

Patent 5638151: Self-contained electroluminescent back-lit clap board/slate having an LCD clock display
(OPTICS: MOTION PICTURES : WITH SOUND ACCOMPANIMENT : Sound stages, methods and accessories :)

Patent 5638152: Bi-directional spring device for opening and closing light shield of film cassette
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Film cassette or cartridge : Light seal : Opposite movement)

Patent 5638153: Masking of transparencies for copying
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Multicolor picture : Regulating light intensity or exposure time : Including detailed diaphragm)

Patent 5638154: Printing plate mounting device
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Regulating light intensity or exposure time)

Patent 5638155: Photographic printer and method for controlling photographic printer
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Including shutter, diaphragm, polarizer or filter : Vertical optical path)

Patent 5638156: Sequential display mosaic fabrication fixture and method of making mosaics
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for photosensitive paper : Including shutter, diaphragm, polarizer or filter)

Patent 5638157: Film processing apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for original : Including adjustable or selective masking frame)

Patent 5638158: Image formation apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Contact : Needle type)

Patent 5638159: Developing unit for an image forming apparatus and method of collecting bicomponent developer therefrom
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Conditioning of toner : Fountain)

Patent 5638160: Transport device for developer powder
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Supplying new toner : Auger)

Patent 5638161: Process cartridge, method for assembling process cartridge and image forming apparatus
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Developer seal)

Patent 5638162: Optical signal enhancement system
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of a simulation or test : With moving optical elements in all viewing axes)

Patent 5638163: Low cost laser range finder system architecture
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having different frequency sources)

Patent 5638164: Apparatus and method for laser imaging
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having different frequency sources)

Patent 5638165: Crack detection system
(OPTICS: MEASURING AND TESTING : MATERIAL STRAIN ANALYSIS : Axes determination)

Patent 5638166: Apparatus and method for rapid detection of explosives residue from the deflagration signature thereof
(OPTICS: MEASURING AND TESTING : WITH SAMPLE PREPARATION : By light interference detector (e.g., interferometer))

Patent 5638167: Method of measuring the light amount of a display picture element, display screen inspecting method and display screen inspecting apparatus
(OPTICS: MEASURING AND TESTING : LAMP BEAM DIRECTION OR PATTERN : With light attenuation)

Patent 5638168: Lens evaluating device
(OPTICS: MEASURING AND TESTING : LENS OR REFLECTIVE IMAGE FORMER TESTING : For optical transfer function : Including polarimeters)

Patent 5638169: Method and apparatus for centering optical lens mount
(OPTICS: MEASURING AND TESTING : LENS OR REFLECTIVE IMAGE FORMER TESTING : Optical center, cylinder axis, or prism measuring or determining : Deflecting or interrupting optical path)

Patent 5638170: Punched carrier specimen sample processor
(OPTICS: MEASURING AND TESTING : SAMPLE, SPECIMEN, OR STANDARD HOLDER OR SUPPORT (E.G., PLATES OR SLIDES) : Surface standard)

Patent 5638171: Spectrophotometer with self-contained module
(OPTICS: MEASURING AND TESTING : SAMPLE, SPECIMEN, OR STANDARD HOLDER OR SUPPORT (E.G., PLATES OR SLIDES) : Surface standard)

Patent 5638172: On-line quantitative analysis of chemical compositions by raman spectrometry
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With Raman type light scattering : With particular illumination means)

Patent 5638173: Spectrum splitting spectroscopic apparatus
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With Raman type light scattering : With particular illumination means)

Patent 5638174: Fluid sensing apparatus with a rotatable member utilizing different length light pipes for alternately transmitting a light beam
(OPTICS: MEASURING AND TESTING : BY PARTICLE LIGHT SCATTERING : With photocell detection : Using plural photocells : With diffraction grating means)

Patent 5638175: Differential phase contrast inspection system with multiple detectors
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having shearing : Having Schlieren effect)

Patent 5638176: Inexpensive interferometric eye tracking system
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having partially reflecting plates in series (e.g., Fabry-Perot type) : Having Schlieren effect)

Patent 5638177: Laser interferometer for measuring object displacement over large distances
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Displacement or distance : Contour or profile)

Patent 5638178: Imaging polarimeter detector for measurement of small spacings
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : Of surface reflection : Including polarimeters)

Patent 5638179: Method for measuring amount of bend of moving mirror
(OPTICS: MEASURING AND TESTING : SHAPE OR SURFACE CONFIGURATION : Triangulation : Projection of structured light pattern : Gyroscope or pendulum stabilized optical element)

Patent 5638181: Duplex copier capable of digitally rotating an image on at least one side of a duplex copy sheet
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)

Patent 5638183: Image forming apparatus with selectively controlled resolution
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Electrostatic or electrolytic : Document feed)

Patent 5638184: Electronic video camera with recording and reproducing functions
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Compressing in recording or decompressing in reproducing : Digital compressing : Including television camera)

Patent 5638185: Mobile facsimile machine
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Coding for digital facsimile equipment (e.g., Group 3 or 4))

Patent 5638186: Multi-function machine for combining and routing image data
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Auxiliary signal controls apparatus at both transmitter and receiver)

 

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