Patents 5543703 - 5543956

 

 

Patent 5543703: Generator motor for vehicles
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : COMBINED CONTROL OF GENERATOR AND DRIVING MEANS : Simultaneous control : Electric motor :)

Patent 5543704: Pulse width modulated DC-to-DC boost converter
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using choke and switch across source : In bridge)

Patent 5543705: Voltage regulating circuit and PTC element for automotive vehicles
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : INCLUDING AN IMPEDANCE : Thermistor or resistor : Resistor only)

Patent 5543706: Circuit and method for measuring current in a circuit
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Plural ranges, scales or registration rates : Tape, sheet (e.g., disk) or wire (e.g., magnetic) storage)

Patent 5543707: Digital tester
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Plural ranges, scales or registration rates : Tape, sheet (e.g., disk) or wire (e.g., magnetic) storage)

Patent 5543708: Method and apparatus for controlling continuously conveyed printed products
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Nonquantitative (e.g., hot-line indicator, polarity tester) : Selective filter)

Patent 5543709: Magnetic resonance imaging method and apparatus for generating a plurality of single spin echoes
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5543710: NMR conformal solenoidal coil
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5543711: Multiple quadrature volume coils for magnetic resonance imaging
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5543712: Parasitic compensating matching circuit integral with ground breaker for MRI RF coils
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5543713: Ground breaker for multiple control lines
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Electronic circuit elements : With homogeneity control)

Patent 5543714: Three dimensional magnetic mapping process and apparatus with data filtering using an inverse computation
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : By magnetic means : With separate pickup)

Patent 5543715: Method and apparatus for measuring formation resistivity through casing using single-conductor electrical logging cable
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : Using electrode arrays, circuits, structure, or supports : Coupled to artificial current source : Including separate pickup of generated fields or potentials : For well logging : Cased borehole :)

Patent 5543716: Sparkplug voltage probe for use with an internal combustion engine by clamping sparkplug cables with an insulation base
(ELECTRICITY: MEASURING AND TESTING : INTERNAL-COMBUSTION ENGINE IGNITION SYSTEM OR DEVICE : Apparatus for coupling a measuring instrument to an ignition system : Using a pressure chamber)

Patent 5543717: Integrable conductivity measuring device
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a conductivity determining device : Which includes current and voltage electrodes : Including an integrating device)

Patent 5543718: Cable testing device
(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 5543719: Barrier leak detection using electrokinetic ION transport
(ELECTRICITY: MEASURING AND TESTING : FOR INSULATION FAULT OF NONCIRCUIT ELEMENTS : Instruments and devices for fault testing)

Patent 5543720: Device for gauging the level of a fluid
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : Where energy is reflected (e.g., reflectometry) : To determine water content : Differential bridge circuit)

Patent 5543721: Method and device for extending the dynamic range in measurements c arried out with a directional coupler
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using a comparison or difference circuit : Where energy is reflected (e.g., reflectometry))

Patent 5543722: Channel forming fuel permittivity sensor with automatic temperature compensation
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : Where a material or object forms part of the dielectric being measured : By frequency signal response, change or processing circuit : Including a tuned or resonant circuit : For temperature variations)

Patent 5543723: Apparatus for electro-optic sampling measuring of electrical signals in integrated circuits with improved probe positioning accuracy
(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 light probe : Of reflected test signal)

Patent 5543724: Method and apparatus for locating conductive features and testing semiconductor devices
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Using electro-optic device)

Patent 5543725: Reusable carrier for burn-in/testing on non packaged die
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Internal of or on support for device under test (DUT) : Of reflected test signal)

Patent 5543726: Open frame gantry probing system
(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 5543727: Run-in test system for PC circuit board
(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 5543728: Low leakage diode switches for a tester circuit for integrated circuits
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : DUT including test circuit : Cantilever)

Patent 5543729: Testing apparatus and connector for liquid crystal display substrates
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Liquid crystal device test : With barrier layer)

Patent 5543730: Techniques for programming programmable logic array devices
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Having details of setting or programming of interconnections or logic functions : With field effect-transistor)

Patent 5543731: Dynamic and preset static multiplexer in front of latch circuit for use in static circuits
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : With flip-flop or sequential device : With clocking)

Patent 5543732: Programmable logic array devices with interconnect lines of various lengths
(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 5543733: High voltage tolerant CMOS input/output circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Supply voltage level shifting (i.e., interface between devices of a same logic family with different operating voltage levels) : CMOS : Integrated Injection Logic (I2L))

Patent 5543734: Voltage supply isolation buffer
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : Integrated Injection Logic (I2L))

Patent 5543735: Method of controlling signal transfer between self-resetting logic circuits
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : CLOCKING OR SYNCHRONIZING OF LOGIC STAGES OR GATES : Current driving (e.g., fan in/out, off chip driving, etc.))

Patent 5543736: Gate array architecture and layout for deep space applications
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNIFICANT INTEGRATED STRUCTURE, LAYOUT, OR LAYOUT INTERCONNECTIONS : Field-effect transistor)

Patent 5543737: Logical operation circuit employing two-terminal chalcogenide switches
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Field-effect transistor)

Patent 5543738: Multi-stage sense amplifier for read-only memory having current comparators
(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 5543739: Control, reduction and equalization of delays in a driver stage
(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 5543740: Integrated half-bridge driver circuit
(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 5543741: Reset circuit for generating reset pulse over an interval of reduced voltage supply
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Reset (e.g., initializing, starting, stopping, etc.) : Responsive to power supply : Selective)

Patent 5543742: Phase shifting circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Phase shift by less than period of input : Dependent on frequency : With external feedback (i.e., output to input))

Patent 5543743: Adjustable reference signal delay device and method
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Delay interval set by rising or falling edge : Non-overlapping)

Patent 5543744: Driver/receiver circuit for reducing transmission delay
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : Interstage coupling (e.g., level shift, etc.) : With feedback)

Patent 5543745: Voltage controlled current source and bias generation circuit using such current source
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Stabilized (e.g., compensated, regulated, maintained, etc.) : Having stabilized bias or power supply level)

Patent 5543746: Programmable CMOS current source having positive temperature coefficient
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Stabilized (e.g., compensated, regulated, maintained, etc.) : Using field-effect transistor : With field-effect transistor)

Patent 5543747: Bipolar integrated device having parasitic current detector
(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 5543748: Flip-flop circuit with resonant tunneling diode
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Negative resistance type : Having "N"-shape curve on I-V plot (e.g., tunnel diode type, etc.) : Having field-effect transistor device)

Patent 5543749: Resonant tunneling transistor
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Negative resistance type : Having "N"-shape curve on I-V plot (e.g., tunnel diode type, etc.) : Having field-effect transistor device)

Patent 5543750: Bootstrap circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With bootstrap circuit : Bridge circuit)

Patent 5543751: Power combiner for use in a radio frequency system and a method of constructing a power combiner
(AMPLIFIERS : WITH PLURAL AMPLIFIER CHANNELS (E.G., PARALLEL AMPLIFIER CHANNELS) : Redundant amplifier circuits : D.C. coupling)

Patent 5543752: Microwave amplifier circuit having reduced harmonic distortion
(AMPLIFIERS : WITH PLURAL AMPLIFIER CHANNELS (E.G., PARALLEL AMPLIFIER CHANNELS) : Power or bias supply circuits and control thereof)

Patent 5543753: Audio frequency power amplifiers with actively damped filter
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including particular power supply circuitry : Having frequency-responsive means or phase-shift means in feedback path)

Patent 5543754: Capacitor and resistor controlled oscillator timing lock loop for precision time constants
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : With reference oscillator or source : Signal or phase comparator : With motor comparator)

Patent 5543755: Indictive component with zig zag parts and an opening in the exterior mold
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : Having significant physical structure : Monolithic structure)

Patent 5543756: Combined crystal and LC filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Having significant physical structure)

Patent 5543757: Surface acoustic wave filter including alternate open and shorted reflector grating
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Using surface acoustic waves : With wave-modifying means (e.g., reflectors, resonators, diffractors, multistrip couplers, etc.) : Monolithic structure)

Patent 5543758: Asymmetric dual-band combine filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Digital structure : Plural mechanically coupled disk resonators)

Patent 5543759: Audio amplification circuits
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including gain control means : Having feedback means acting as variable impedance : With time constant means)

Patent 5543760: Protection circuit for a power amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including protection means : Having frequency-responsive means or phase-shift means in feedback path)

Patent 5543761: Prepackaged crystal oscillator calibration and configuration interface
(OSCILLATORS : WITH FREQUENCY CALIBRATION OR TESTING : With particular signal combining means (e.g., cavity mixer))

Patent 5543762: N-way impedance transforming power divider/combiner
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : With impedance matching : Including long line element : Using TEM lines : Stripline :)

Patent 5543763: Piezoelectric component for ladder type filter and method of manufacturing thereof
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Using bulk mode piezoelectric vibrator : Plural coupled vibrators : Resiliently mounted components)

Patent 5543764: Filter having an electromagnetically tunable transmission zero
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Magnetostrictive wave transmission path)

Patent 5543765: Integrated electronic elements with variable electrical characteristics, especially for microwave frequencies
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Strip type : Including spaced, electrically compensated, internal support means)

Patent 5543766: Operating device for a circuit breaker
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Plural magnets or flux sources : Magnetically operated)

Patent 5543767: Electrical switch
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : PERMANENT MAGNET-ACTUATED SWITCHES : Through conductor type (i.e., conductor field actuates armature))

Patent 5543768: Composite of high-temperature superconductive bulk form with coil magnet
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Superconductive type : With coil structure)

Patent 5543769: Fast superconducting magnetic field switch
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Superconductive type : With coil structure)

Patent 5543770: Apparatus for generating uniform and parallel magnetic field, the intensity of which is variable
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Coil structure or material : Movable or adjustable cores)

Patent 5543771: Phase shifting transformer or autotransformer
(INDUCTOR DEVICES : POLYPHASE : ADJUSTABLE INDUCTOR :)

Patent 5543772: High voltage connection to ignition coils
(INDUCTOR DEVICES : WINDING WITH TERMINALS, TAPS, OR COIL CONDUCTOR END ANCHORING MEANS : Basket weave (single layer))

Patent 5543773: Transformers and coupled inductors with optimum interleaving of windings
(INDUCTOR DEVICES : WINDING FORMED OF PLURAL COILS (SERIES OR PARALLEL) : Two windings (e.g., transformer) : Coils of different windings interposed : Angularly movable)

Patent 5543774: Method and a device for protecting a printed circuit board against overcurrents
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Fusible link or element structure or material : With nonconductive core (e.g., printed circuit) : Rotary selector means)

Patent 5543775: Thin-film measurement resistor and process for producing same
(ELECTRICAL RESISTORS : WITH BASE EXTENDING ALONG RESISTANCE ELEMENT : Element on frame or support)

Patent 5543776: Vehicle security system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including specified sensor : Plural diverse sensors : Off course, route re-search)

Patent 5543777: Smoke detector with individual sensitivity calibration and monitoring
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Testing : Diode)

Patent 5543778: Security system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular coupling link : Radio : Including remote residential device : Tracking location (e.g., GPS, etc.))

Patent 5543779: EMI source detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular coupling link : Radio : Specific environmental sensor : Including video)

Patent 5543780: Monitoring tag with removal detection
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Detectable device on protected article (e.g., "tag") : Specified connector (e.g., phone jack-type plug))

Patent 5543781: Method and apparatus for user selectable quick data access in a selective call receiver
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Message presentation : Storing or retrieving message (e.g., received message database handling) : News information provider (e.g., sports, weather, etc.))

Patent 5543782: Security device for merchandise and the like
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Signal-carrying conduit between sensor and article (e.g., cable, power cord, or data link) : Electromagnetic energy)

Patent 5543783: Glass break detector and a method therefor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Partition penetration : Plural doors or windows)

Patent 5543784: Oven occupancy warning apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Responsive to intruder energy)

Patent 5543785: Distributed multi-outlet paging
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Transmitting configuration : Multiple transmitters : Including reply to query)

Patent 5543786: Keyboard scanning circuit
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)

Patent 5543787: Keyboard with translating sections
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Actuated by physical projection)

Patent 5543788: Map management system in geographic information management system
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : At remote location : With map display : Glide slope or path)

Patent 5543789: Computerized navigation system
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : Map display : Transmission of map data to vehicle : Glide slope or path)

Patent 5543790: Keyboard
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)

Patent 5543791: Non-volatile parallel-to-serial converter system utilizing thin-film floating-gate, amorphous transistors
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Parallel to serial : Binary to Gray)

Patent 5543792: Method and apparatus to enhance the efficiency of storing digitized analog signals
(CODED DATA GENERATION OR CONVERSION : SAMPLE AND HOLD : Having variable sampling rate : Digital signal to analog resolver or synchro signal)

Patent 5543793: Analog/digital conversion system
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using ladder network)

Patent 5543794: Successive approximation analog-to-digital converter using CMOS inverter with pull-up and/or pull-down switches
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Acting sequentially : Including priority encoder)

Patent 5543795: Hybrid analog-to-digital convertor for low power applications, such as use in an implantable medical device
(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 5543796: Broadband microwave absorber
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADIO WAVE ABSORBER : With particular geometric configuration :)

Patent 5543797: Supervised personnel monitoring system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Interrogation response : Contention avoidance : Housing detail)

Patent 5543798: Method of providing a synchronized data stream suitable for use in a combined FDX and HDX RF-ID system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Secondary Surveilance Radar (SSR) or Air Traffic Control Radar Beacon System (ATCRBS))

Patent 5543799: Swept range gate radar system for detection of nearby objects
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS RADAR SYSTEM : Transmitter : Signal phase or frequency other than pulse repetition frequency (PRF) : Function of distance :)

Patent 5543800: Radar decoder
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Digital processing : With video quantizer : Cursor)

Patent 5543801: Digitally controlled beam former for a spacecraft
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With beam steering : Cursor)

Patent 5543802: Position/navigation device and method
(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) : With ambiguity resolving)

Patent 5543803: Fail safe receiver system
(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 5543804: Navagation apparatus with improved attitude determination
(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 5543805: Phased array beam controller using integrated electro-optic circuits
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : Eliptical)

Patent 5543806: Adaptive antenna arrays for HF radio beamforming communications
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : Eliptical)

Patent 5543807: Electronic commutation switch for cylindrical array antennas
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a switch : Controlled)

Patent 5543808: Dual band EHF, VHF vehicular whip antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Plural separate diverse type : Including balanced doublet-type antenna : Running board)

Patent 5543809: Reflectarray antenna for communication satellite frequency re-use applications
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With spaced or external radio wave refractor (e.g., lens) : Reactance at free end of active antenna)

Patent 5543810: Common aperture dual polarization array fed by rectangular waveguides
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Plural : With wave guide coupling :)

Patent 5543811: Triangular pyramid phased array antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Plural antennas spaced a fractional or full wave length apart : Loop-type antenna)

Patent 5543812: Active deflection compensator
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With signal, indicator or alarm : Antenna on bracket)

Patent 5543813: System for determining and registering location of mobile terminal for communication system with non-geosynchronous satellites
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using low Earth orbit (telecommunication) satellites : Satellite selection (i.e., tracking or acquisition))

Patent 5543814: Dielectric-supported antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna with parasitic reflector : Parabolic-type reflector with active antenna at focus : Including a screening reflector)

Patent 5543815: Shielding screen for integration of multiple antennas
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna components : Refracting means and radio wave energy filters (e.g., lenses and polarizers) : Flexible rod actuated)

Patent 5543816: Head mounted display system with aspheric optics
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Operator body-mounted heads-up display (e.g., helmet mounted display) : Number of pixels per row or column conversion (i.e., resolution conversion))

Patent 5543817: Data processing system and 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) : Specific display element control means (e.g., latches, memories, logic) : Particular row or column control (e.g., shift register) : Smooth or continuous)

Patent 5543818: Method and apparatus for entering text using an input device having a small number of keys
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Trackball)

Patent 5543819: High resolution display system and method of using same
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Intensity or color driving control (e.g., gray scale) : Spatial processing (e.g., patterns or subpixel configuration) : Non-binary weighted)

Patent 5543820: Method and apparatus for linear color processing
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Repeating pattern)

Patent 5543821: Track ball mounted on keyboard
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Trackball : Optical detector)

Patent 5543822: Method for increasing the video throughput in computer systems
(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 5543823: Data storing method of a row buffer in on-screen display and control circuit thereof
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Row buffer (e.g., line memory) : Character memory)

Patent 5543824: Apparatus for selecting frame buffers for display in a double buffered display system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Plural storage devices : Double buffered : Data transfer between system memory display memory)

Patent 5543825: High efficiency multispot facet tracked raster output scanning system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific optical structure : Including deflector : For detecting color)

Patent 5543826: Ink jet apparatus and method for recovery thereof
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Responsive to condition : Full-line array)

Patent 5543827: Ink jet print head nozzle cleaning coinciding with nozzle vibration
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Vibration : Full-line array)

Patent 5543828: Recording apparatus having a print head drive apparatus with an IC drive circuit employing shift registers for handling drive data in sequential
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Density control : By history of recording elements : Having single layer colored transfer material)

Patent 5543829: Method and apparatus for adjusting the curvature of a folding mirror in a raster scanning system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific optical structure : Including switching means)

Patent 5543830: Apparatus with light emitting element, microlens and gradient index lens characteristics for imaging continuous tone images
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific optical structure : Including switching means)

Patent 5543831: Endoscope system having reduced noise emission/permeation
(TELEVISION : SPECIAL APPLICATIONS : With endoscope : Image magnifying)

Patent 5543832: Video display system for projecting an image on to a tilted screen adjacent a surgical field
(TELEVISION : SPECIAL APPLICATIONS : With endoscope : Image magnifying)

Patent 5543833: Scanner focussing method and apparatus concurrently displaying multiple partial scans with different focus settings
(TELEVISION : SPECIAL APPLICATIONS : Film, disc or card scanning : Slide : Color TV)

Patent 5543835: Electronic camera featuring single image processing
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Moving reflector)

Patent 5543836: White balance using combined feedback and external color information for control
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Color balance (e.g., white balance) : Video teleconferencing (including access or authorization))

Patent 5543837: Dual-type imaging device having multiple light sensitive elements
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With plural image scanning devices : Scanning devices offset in the image plane : With bias illumination)

Patent 5543838: Signal multiplexing system for an image sensor array
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Charge-coupled architecture : Exclusively passive light responsive elements in the matrix)

Patent 5543839: Focus adjusting device wherein effective focal length is derived by detecting low frequency changes in image signals
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Focus control : Using image signal : With dichroic layer or air gap between prism sections)

Patent 5543840: Method and apparatus for flange back adjustment of camera inner focus lens assembly
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Focus control : Exclusively dichroic elements)

Patent 5543841: Side grip for a video camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Support or housing : For specified accessory : Periodic shuttering)

Patent 5543842: Apparatus and method for providing multiple video data streams from a single source
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Plural video programs in single channel : Color television : Periodic shuttering)

Patent 5543843: Communication jack nose cleaning tool
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Involving hybrid transform and difference coding : Subband encoding (e.g., low horizontal/low vertical frequency, low horizontal/high vertical frequency))

Patent 5543844: Method and apparatus for coding image data
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Transform : Discrete cosine : Half-pixel refinement)

Patent 5543845: High efficiency encoding apparatus
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Accumulator or up/down counter)

Patent 5543846: Motion picture encoding system
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Intra/inter selection : Subband coding)

Patent 5543847: Picture coding and decoding method for random accessing
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Bidirectional : Subband coding)

Patent 5543848: Method and apparatus for filtering and coding images based on characteristics of an input image signal
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Involving difference transmission (e.g., predictive) : Including temporal prediction (e.g., frame difference) : Including motion vector : Including motion vector)

Patent 5543849: Synchronization of prerecorded audio/video signals with multi-media controllers
(TELEVISION : DIVERSE DEVICE CONTROLLED BY INFORMATION EMBEDDED IN VIDEO SIGNAL : Changing number of fields for standard conversion)

Patent 5543850: System and method for displaying closed caption data on a PC monitor
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Dropout compensator (e.g., replacement type) : For color television : Adaptive)

Patent 5543851: Method and apparatus for translating closed caption data
(TELEVISION : NONPICTORIAL DATA PACKET IN TELEVISION FORMAT : Including teletext decoder or display : Frequency change of subcarrier)

Patent 5543852: Apparatus and methods for avoiding loss of closed caption data when using extended data services
(TELEVISION : FORMAT : Including additional information : During sync, blanking, or overscan : During vertical blanking : During vertical blanking interval)

Patent 5543853: Encoder/decoder buffer control for variable bit-rate channel
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Associated signal processing : Synchronization : Half-pixel refinement)

Patent 5543854: Video signal processing apparatus, video signal processing method, and video signal recording/reproduction apparatus
(TELEVISION : SYNCHRONIZATION : Locking of video or audio to reference timebase : Including demodulator)

Patent 5543855: Image processing method and apparatus with error diffusion
(TELEVISION : VIDEO DISPLAY : Projection device : Plural parallel light modulators : Using birefringent or polarizing medium (e.g., Kerr cell, Pockel`s cell, etc.) : Electron beam addressed : Including frame or field delays (e.g., motion adaptive))

Patent 5543856: System and method for downstream application and control electronic billboard system
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Color change type)

Patent 5543857: Graphical menu for a television receiver
(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 5543858: Method of and apparatus for reducing noise in a motion detector signal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : For removal of low amplitude random noise (e.g., variable bandwidth) : For color television)

Patent 5543859: Horizontal contour emphasizing signal processor
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Transition or edge sharpeners : For color television)

Patent 5543860: Video signal processing circuit using adaptive control
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Including comb filter (e.g., using line, field, frame delays) : Including adaptive artifacts removal (e.g., switchable trap or LPF in luma channel) : Including optical sensor to observe display (e.g., CRT))

Patent 5543861: Multichannel video data storage including buffers for reading data at fast rates and supplying data at slower rates
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : With details of static storage device : Accessing circuitry : Of color signal)

Patent 5543862: Video display and image intensifier system
(TELEVISION : VIDEO DISPLAY : Sound circuit)

Patent 5543863: Eye protecting mask of computer video display
(TELEVISION : VIDEO DISPLAY : Cathode-ray tube : With optical element : Filters : Yoke)

Patent 5543864: Method and kit for attaching side shields to eyeglass temples
(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 5543865: Fundus camera with partially common coaxial observation and photographing optical systems
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including eye photography :)

Patent 5543866: Scanning laser ophthalmoscope for binocular imaging and functional testing
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including illuminator : On rotary disc)

Patent 5543867: Method and apparatus for the amelioration for visual stress and dyslexia
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Methods of use : Including test chart or target)

Patent 5543868: Method and apparatus of reproducing a digital signal recorded on a movie film
(OPTICS: MOTION PICTURES : WITH SOUND ACCOMPANIMENT : Common picture and sound record carrier systems : Flexible strip type : On picture and sound records)

Patent 5543869: Frame registration
(OPTICS: MOTION PICTURES : CAMERA AND/OR PROJECTOR DRIVE MECHANISMS : With continuous feed and intermittent film arresting means : By braking)

Patent 5543870: Rear projection screen with high off-axis sunlight rejection
(OPTICS: IMAGE PROJECTORS : CABINET ENCLOSES PROJECTOR AND ONE SIDE OF SCREEN : Plural reflectors between lamp and screen)

Patent 5543871: Camera capable of magnetically recording photograph information on a film
(PHOTOGRAPHY : WITH DATA RECORDING : Magnetically on film or film cassette : Recording head position control : Having auxiliary illumination)

Patent 5543872: Camera equipped with an information recording apparatus
(PHOTOGRAPHY : WITH DATA RECORDING : Magnetically on film or film cassette : Segmented alphanumeric indicia)

Patent 5543873: Instant printer for volumetric imaging of data from a sonic signal source apparatus
(PHOTOGRAPHY : PLURAL IMAGE RECORDING : Stereoscopic : Having lenticular screen : Having film feed or guide)

Patent 5543874: Instant printer for volumetric imaging of data from electromagnetic radiation output device
(PHOTOGRAPHY : PLURAL IMAGE RECORDING : Stereoscopic : Having lenticular screen : Having film feed or guide)

Patent 5543875: Multi-motor camera for normal and trimming photography having variable focal length photographing lens and finder and variable illuminating
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Power zoom : Having mechanical interlock)

Patent 5543876: Camera
(PHOTOGRAPHY : UNDERWATER, WATERPROOF, OR WATER-RESISTANT CAMERA : Having illumination device : Having stabilizing (e.g., gyroscope, etc.))

Patent 5543877: Means for controlling driving of a driving fork and take-up spool for automatic feeding and rewinding of a film in a camera
(PHOTOGRAPHY : WITH FILM DRIVE : Mechanical detail : Rewind : Having film transport mechanism locked by perforation sensing pawl)

Patent 5543878: Film feed device with film velocity detector and deceleration and braking control
(PHOTOGRAPHY : WITH FILM DRIVE : Having significant electronic circuit detail : Film feed error detection or end of film detection : Having film transport mechanism locked by perforation sensing pawl)

Patent 5543879: Driving apparatus
(PHOTOGRAPHY : CAMERA SHAKE SENSING : Having stabilization system : And means to move film)

Patent 5543880: Friction member for brake mechanism in camera shutter
(PHOTOGRAPHY : CAMERA DETAIL : Shutter : Between the lens components)

Patent 5543881: Lens barrier mechanism of optical apparatus
(PHOTOGRAPHY : CAMERA DETAIL : Shutter : Pivoting or rotating blade type : Having auxiliary light blocking : Vertical motion)

Patent 5543882: Method and apparatus for processing photosensitive film
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Dark cabinet : Having film-holding cabinet insertable into developing tank : Having ventilation)

Patent 5543883: Calibration of sensitometers
(PHOTOGRAPHY : SENSITOMETRY : Photographic medium handling)

Patent 5543884: Photographic processing chemicals
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having fluid-circulating means : Plural stations)

Patent 5543885: Camera system
(PHOTOGRAPHY : HAVING OPERATOR CONTROLLED DATA ENTRY INTO CAMERA : Manual data entry using peripheral device : Having plural pointers or match needle)

Patent 5543886: Focus state detection apparatus
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Optical detail with photoelement system : Dual reimage lens type : Focus position adjusted according to focal length)

Patent 5543887: Device for detecting line of sight
(PHOTOGRAPHY : EYE TRACKING : Including film processing tank)

Patent 5543888: Control device for preventing red-eye effect on camera
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having preexposure illumination : For red-eye reduction : And reflector or refractor)

Patent 5543889: Camera with pointing aid
(PHOTOGRAPHY : CAMERA COMBINED WITH OR CONVERTIBLE TO DIVERSE ART DEVICE : With light beam projector for delineating field of view : Having release actuator on support)

Patent 5543890: Process and device for adjusting the distance between a workpiece and a mask
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)

Patent 5543891: Electrophotographic image forming apparatus with a process cartridge mounting feature
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Developer seal)

Patent 5543892: Image forming apparatus connected to an information management apparatus through a communication line
(ELECTROPHOTOGRAPHY : REMOTE MONITORING : With diverse image formation)

Patent 5543893: Copier apparatus and method with improved jam recovery
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Malfunction detection responsive : Light (e.g., laser, LED, LCD))

Patent 5543894: Correction for surface velocity mismatch in multiple servo paper paths
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Sequential control : Reference signal (e.g., pulse train) : Warmup or standby mode)

Patent 5543895: Method of adjusting density detecting device used for image forming apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : Setting of reference value : On or adjacent to platen)

Patent 5543896: Method for measurement of tone reproduction curve using a single structured patch
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Of plural processes : Having detection of toner (e.g., patch) : By concentration detector)

Patent 5543897: Reproduction apparatus having touch screen operator interface and auxiliary keyboard
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Operator interface (e.g., display control panel) : User access)

Patent 5543898: Process cartridge, method for assembling process cartridge and image forming apparatus
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Developer seal)

Patent 5543899: Charging member having a foamed layer of a material with specified density and pore properties, charging device, process cartridge and
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Contact : Roller : Toner cartridge)

Patent 5543900: Image forming apparatus which reduces toner fusion on an image bearing member
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Contact : Roller : Toner cartridge)

Patent 5543901: Electrophotographic developing method using magnetic developing material and apparatus employed therefor
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Having internal rotary member)

Patent 5543902: Developing device for an image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Regulating (e.g., doctor) : By magnetic brush)

Patent 5543903: Heat roller type toner image fixing device having cleaning roller
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : Cleaning of fixing member : Parting agent applicator)

Patent 5543904: Fixating device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat : Heated roller)

Patent 5543905: Toner fixing device for image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Parting agent applicator)

Patent 5543906: Cleaning apparatus disposed on an image forming apparatus
(ELECTROPHOTOGRAPHY : CLEANING OF IMAGING SURFACE : Blade : Having treatment of image)

Patent 5543907: Copying apparatus which can prohibit the sorting process
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Job mode : Having mode change : Warmup or standby mode)

Patent 5543908: Image forming apparatus having endless recording material carrying member
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Delivering from transfer position : Stripping from photoconductive member : Speed control of conveyance)

Patent 5543909: Two step, large latitude, stalled roll registration system
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Feeding to transfer position : In registration with image : Manual feed)

Patent 5543910: Passive submarine range finding device and method
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : Triangulation ranging with photodetection, but with no projected beam : Using at least a pair of viewing axes : With at least one paired set of staring photodetectors)

Patent 5543911: Method of currency or document validation by use of an anti-counterfeiting magnetic viewing strip
(OPTICS: MEASURING AND TESTING : DOCUMENT PATTERN ANALYSIS OR VERIFICATION : Lamp attachments)

Patent 5543912: Reflectometry of an optical waveguide using a low coherence reflectometer
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)

Patent 5543913: Device for measuring the spatial characteristics of a light source
(OPTICS: MEASURING AND TESTING : LAMP BEAM DIRECTION OR PATTERN : With light attenuation)

Patent 5543914: Apparatus and methods employing harmonic analysis for measuring the difference in phase between two coherent beams
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having light beams of different frequencies (e.g., heterodyning) : For dimensional measurement (e.g., thickness gap, alignment, profile) : Displacement or distance : Polarization : With specific counter type timing of returns)

Patent 5543915: Autofocusing system and method for positioning an interferometric fringe over a target in an image
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Using fiber or waveguide interferometer : Lock-in prevention)

Patent 5543916: Interferometer with alignment assembly and with processor for linearizing fringes for determining the wavelength of laser light
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Spectroscopy : Using plural photocells)

Patent 5543917: Object detector
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : Having wavefront division (by diffraction))

Patent 5543918: Through-the-lens confocal height measurement
(OPTICS: MEASURING AND TESTING : SHAPE OR SURFACE CONFIGURATION : By focus detection : Scan)

Patent 5543919: Apparatus and method for performing high spatial resolution thin film layer thickness metrology
(OPTICS: MEASURING AND TESTING : DIMENSION : Thickness : Of light permeable material : Moire)

Patent 5543920: System and method for sensing color and preventing use of unauthorized color formulation software
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : With registration indicia (e.g., scale))

Patent 5543921: Aligning method utilizing reliability weighting coefficients
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With registration indicia (e.g., scale) : For comparison with master or desired configuration)

Patent 5543922: Method and apparatus for on-press color measurement
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : With registration indicia (e.g., scale))

Patent 5543923: Sensor device
(OPTICS: MEASURING AND TESTING : OF LIGHT REFLECTION (E.G., GLASS) : Of photographic film)

Patent 5543924: Method and apparatus for evaluating pummeled glass
(OPTICS: MEASURING AND TESTING : OF LIGHT REFLECTION (E.G., GLASS) : With diffusion : With scanning, sweeping, or moving detector over film)

Patent 5543925: Playback apparatus with selective user preset control of picture presentation
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Digital recording or reproducing : Separately recorded)

Patent 5543926: Recording and reproducing apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Recorder or reproducer fault condition compensation : Noise reduction : Including television camera)

Patent 5543927: Variable speed playback of digital video stored in a non-tape media
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast reproducing : Including switching means and delay means)

Patent 5543928: Digital recording and/or reproducing apparatus which rearranges error correction blocks representing video signal and corresponding to data
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Recorder or reproducer fault condition compensation : Digital technique : Crosstalk)

Patent 5543929: Television for controlling a video cassette recorder to access programs on a video cassette tape
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using disc)

Patent 5543930: Video data management method and apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using disc)

Patent 5543931: Apparatus for and method of reproducing digital video signals at a varied speed
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Having auxiliary dynamic memory means)

Patent 5543932: Digital video signal recording apparatus and digital video signal reproducing apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Tape : Using control signal on the recording medium)

Patent 5543933: Reserve-recording method and apparatus for VCR
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Including programmable apparatus : Disc)

Patent 5543934: Apparatus and method for respectively recording digital video and audio signals in both ends portions and middle portion of each inclined track
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Audio signal : Digital audio signal : Plurality of audio channels)

Patent 5543935: Halftoning method using space filling curves
(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) : Rescreening (e.g., converting spatial resolution) :)

Patent 5543936: Image adjustment system for translating raw input levels to adjusted input levels
(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 5543937: Apparatus for recording and playing back digital data
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Audio signal : On a different substrate of the recording medium : Plurality of audio channels)

Patent 5543938: Facsimile apparatus and method for transmitting information to a plurality of destinations
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile relay system : Composite image)

Patent 5543939: Video telephone systems
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Accumulator or up/down counter)

Patent 5543940: Method and apparatus for converting color scanner signals into colorimetric values
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)

Patent 5543941: Method and apparatus for halftone rendering of a gray image using a blue noise mask
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : Halftone processing : With plural sensors)

Patent 5543942: LCD microlens substrate with a lens array and a uniform material bonding member, each having a thermal resistance not lower than 150.degree.C
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Exposure device for lithography)

Patent 5543943: Chiral smectic device subjected to a simultaneous thermal and AC field treatment
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Thermal excitation : For protection)

Patent 5543944: Method of imbibing a component into a liquid crystal composite
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Microencapsulated or polymer dispersed liquid crystal : With particular encapsulating medium : With color formed by different color polarizer or color filter associated with each cell)

Patent 5543945: Method of driving an LCD employing combining two voltages which change polarity at different times in a frame
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Variable or rotatable retarder used with other retarders to produce filtering effects (Solc, Lyot, Partial))

Patent 5543946: Liquid crystal device and display apparatus with multilayer electrodes
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Electrode or bus detail (i.e., excluding supplemental capacitor and transistor electrodes) : Insulating layer)

Patent 5543947: Method of driving an LCD employing an active matrix with short pulses for gray scale
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Control means at each display element : Thin film tansistor (TFT) : Smooth or continuous)

Patent 5543948: Thermoplastic saturated norbornene resin phase plate
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Compensator or retarder (i.e., not using liquid crystal cell) : Cholesteric reflector)

Patent 5543949: LCD polymer orienting film with a dipole moment greater than 20 debye and is bound to the substrate surface through a surface treating agent
(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 : Including at least one with negative intrinsic birefringence)

Patent 5543950: Liquid crystalline electrooptical device
(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 : For perpendicular alignment : Having structure produced by rubbing under particular rubbing conditions (e.g., particular direction, rubbing force, by using named rubbing material or roller, etc.))

Patent 5543951: Method for receive-side clock supply for video signals digitally transmitted with ATM in fiber/coaxial subscriber line networks
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Including synchronization : Dispersion compensation)

Patent 5543952: Optical transmission system
(OPTICAL COMMUNICATIONS : TRANSMITTER : Having particular modulation : Hybrid modulation : Using optical phase conjugation)

Patent 5543953: Servo control mechanism with wide input dynamic range and fast response
(OPTICAL COMMUNICATIONS : RECEIVER : Including specific optical elements)

Patent 5543954: Method and apparatus for selectively scanning for or aiming a signal
(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) : Plural moving scanning elements : Bearing or shaft for rotary driver)

Patent 5543955: Optical scanning system
(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 5543956: Torsional vibrators and light deflectors using the torsional vibrator
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : By moving a reflective element : Pivoting or moving in circular arc : Having planar rotating reflector with rotation axis in its plane)

 

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