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Patent 5668471: Rotational sensor with robust axial alignment tolerance
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Magnetoresistive : Electrically energized)
Patent 5668472: Multichannel flux measuring apparatus having function for compensating interference due to crosstalk
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetometers : Superconductive magnetometers : Plural sensors)
Patent 5668473: Magnetoresistive sensor including shortened measuring layers
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetometers : Semiconductor type solid-state or magnetoresistive magnetometers : Plural sensors)
Patent 5668474: Method in the form of a pulse sequence for fast nuclear magnetic resonance imaging
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5668475: Induction logging sonde including a folded array apparatus having a plurality of receiver cowound coils and bucking coils
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : With radiant energy or nonconductive-type transmitter : With separate pickup : Within a borehole : By induction logging :)
Patent 5668476: Method of detecting when a moving compoment attains a final position
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Winding or coil : For insulation fault)
Patent 5668477: Noise detecting apparatus for magnetic heads
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Parameter related to the reproduction or fidelity of a signal affected by a circuit under test : Noise : Including a remote type circuit)
Patent 5668478: Windshield rain sensor
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : With a capacitive sensing means : Including a probe type structure : Including a tuned or resonant circuit)
Patent 5668479: Multipurpose sensor for belt conveyor
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With object or substance characteristic determination using conductivity effects : To determine water content : Where the object moves while under test : For temperature variations)
Patent 5668480: Variable-phase resistive transducer, and method of operating same
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With phase signal processing circuit : Including a tuned or resonant circuit)
Patent 5668481: Multiple pattern sequence generation based on inverting non-linear autonomous machine
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : WITH TEST FACILITATING FEATURE : Parasitic prevention in integrated circuit structure)
Patent 5668482: Bus maintenance circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Signal level or switching threshold stabilization : With field effect-transistor)
Patent 5668483: CMOS buffer having stable threshold voltage
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Signal level or switching threshold stabilization : With field effect-transistor : With clocking)
Patent 5668484: High frequency clock signal distribution circuit with reduced clock skew
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : CLOCKING OR SYNCHRONIZING OF LOGIC STAGES OR GATES : Current driving (e.g., fan in/out, off chip driving, etc.))
Patent 5668485: Row decoder with level translator
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Decoding : With field-effect transistor : CMOS : Having plural output pull-up or pull-down transistors)
Patent 5668486: Strobed comparator for a large common mode range
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Comparison between plural varying inputs : Differential input : Current mirror : Cross-coupled)
Patent 5668487: Circuit detecting electric potential of semiconductor substrate by compensating fluctuation in threshold voltage of transistor
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Input signal compared to single fixed reference : Reference determined by threshold of single circuit element : Zero crossover)
Patent 5668488: Input buffer for a high density programmable logic device
(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 5668489: Dead-time generating circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Rectangular (e.g., clock, etc.) or pulse waveform width control : Pulse narrowing : By phase)
Patent 5668490: Flip-flop with full scan capability
(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) : Master-slave bistable latch : Including field-effect transistor : With digital element)
Patent 5668491: Variable delay circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Single output with variable or selectable delay : Including delay line or charge transfer device : Electron tube)
Patent 5668492: Integrated circuit clocking technique and circuit therefor
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Clock or pulse waveform generating : Having specific passive circuit element or structure (e.g., RLC circuit, etc.))
Patent 5668493: Circuits and methods for increasing switch turn-off speed in high-speed switching regulator drive circuits
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : By limiting, clipping, or clamping : Clock bus)
Patent 5668494: Circuit and method for driving alternatively electric loads with low impedance
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Diverging with single input and plural outputs : Field-effect transistor : Push-pull circuit)
Patent 5668495: BiCMOS reprogrammable logic
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Field-effect transistor : With bipolar transistor : MESFET (i.e., metal semiconductor field-effect transistor))
Patent 5668496: Circuit arrangement for limiting the current to be switched of an electrical load
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Four or more layer device (e.g., thyristor, etc.) : AC supply : Silicon controlled rectifier (SCR) : Triac : Combined with diac :)
Patent 5668497: Direct-current voltage generating circuit intermittently activated for reducing electric power consumption
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Power conservation or pulse type : Using field-effect transistor)
Patent 5668498: Controlling FPLL polarity using pilot signal and polarity inverter
(DEMODULATORS : AMPLITUDE MODULATION DEMODULATOR : Input signal combined with local oscillator or carrier frequency signal (e.g., synchronous demodulator) : Including phase or frequency locked loop : Including LC resonant circuits tuned above and below input signal carrier frequency)
Patent 5668499: Tube type power amplifier with distortion control
(AMPLIFIERS : INCLUDING A PUSH-PULL STAGE : Applied to filamentary cathode)
Patent 5668500: CMOS buffer amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having field effect transistor :)
Patent 5668501: Transconductance amplifier having a digitally variable transconductance as well as a variable gain stage and an automatic gain control circuit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having gain control means :)
Patent 5668502: Amplifier stage having a switchable gain and reduced distortion
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having gain control means :)
Patent 5668503: System and method for calibrating damping factor or analog PLL
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : AFC with logic elements : Reactance device (e.g., variable capacitors, saturable inductors, reactance tubes, etc.))
Patent 5668504: Frequency synthesizer
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : AFC with logic elements : Reactance device (e.g., variable capacitors, saturable inductors, reactance tubes, etc.))
Patent 5668505: Ring oscillator having two rings whose outputs are combined
(OSCILLATORS : PLURAL OSCILLATORS : Selectively connected to common output or oscillator substitution : With filter in mixer output circuit)
Patent 5668506: Temperature compensated crystal oscillator
(OSCILLATORS : WITH DEVICE RESPONSIVE TO EXTERNAL PHYSICAL CONDITION : Temperature or light responsive : Diverse-type oscillators)
Patent 5668507: Noise generator for evaluating mixed signal integrated circuits
(OSCILLATORS : ELECTRICAL NOISE OR RANDOM WAVE GENERATOR : Wave filter)
Patent 5668508: Oscillator circuit having oscillation frequency independent from the supply voltage value
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Relaxation oscillator : Inductor controlled AFC)
Patent 5668509: Modified coaxial to GCPW vertical solderless interconnects for stack MIC assemblies
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : With impedance matching : Having long line elements : Having plural concentric helices)
Patent 5668510: Four way RF power splitter/combiner
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : With impedance matching : Including long line element : Using TEM lines : For TEM lines)
Patent 5668511: Low-pass filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Stripline or microstrip : Plural mechanically coupled disk resonators)
Patent 5668512: Coplanar waveguide-mounted flip chip having coupled ground conductors
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Strip type : Semiconductor mounts : Having movable element)
Patent 5668513: Hermetically sealed structure for junction of two waveguides
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Waveguide elements and components : Window : Having movable element)
Patent 5668514: Signal transmission device
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Connectors and interconnections : Rotary coupling : Mechanically movable)
Patent 5668515: Superconductive magnet apparatus
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Superconductive type : With coil structure)
Patent 5668516: Simplified active shield superconducting magnet assembly for magnetic resonance imaging
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Superconductive type : With coil structure)
Patent 5668517: Solenoid impact control device
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With plunger-type armature : With shock-absorbing means (e.g., means to absorb the shock of armature or plunger) : Special armature construction or mounting means (e.g., to assure positive seating of armature))
Patent 5668518: Wire wound drum
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : With magnetic-hold control means (e.g., means to control the hold strength))
Patent 5668519: Magnet roll and method of producing same
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Permanent magnets : With cooling means)
Patent 5668520: Transducer for a stringed musical instrument
(INDUCTOR DEVICES : WITH ELECTRIC AND/OR MAGNETIC SHIELDING MEANS : Movable with respect to another coil)
Patent 5668521: Three piece female blade fuse assembly having fuse link terminal with a clip receiving portion
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Housing, casing or support means : Comprising or including heat storage or accumulator means)
Patent 5668522: Slowly-breaking fuse and method of production
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Housing, casing or support means : With external circuit connection means : Prong or blade (e.g., plug-type housing) : Door or closure controlled)
Patent 5668523: Magnetoresistive sensor employing an exchange-bias enhancing layer
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Magnetic field or compass (e.g., Hall effect type) : Mechanically adjustable or variable)
Patent 5668524: Ceramic resistor and electrostatic chuck having an aluminum nitride crystal phase
(ELECTRICAL RESISTORS : WITH BASE EXTENDING ALONG RESISTANCE ELEMENT : Resistance element coated on base : Element extends in or through openings or grooves in frame or support)
Patent 5668525: Comparator circuit using two bit to four bit encoder
(COMMUNICATIONS: ELECTRICAL : DIGITAL COMPARATOR SYSTEMS : Electromagnetically actuated mechanical signal)
Patent 5668526: Infant monitoring system for automobiles
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Plural (e.g., concurrent auxiliary) single indications (e.g., light flashes when bell rings) : Bowling)
Patent 5668527: Doorbell base
(COMMUNICATIONS: ELECTRICAL : AUDIBLE INDICATION : Percussion-type sound producer (e.g., signal chimes or bells) : Housing or mounting : Having spring)
Patent 5668528: Apparatus for actuating the safety devices for vehicle occupants
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of collision or contact with external object : Including keyless entry)
Patent 5668529: Method of statistically determining brake lining wear using temperature sensing
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Brake or clutch condition : Wear : Inductive)
Patent 5668530: Van rear three-light display
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External signal light system : Hazard warning or distress signalling : With particular display means)
Patent 5668531: Synchronized alarm holding system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Alarm system supervision : With ringback)
Patent 5668532: Fault tolerant cooling in electrical apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Alarm system supervision : With ringback)
Patent 5668533: High security balanced-type, magnetically-actuated proximity switch system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Door or window movement : Specified sensor : Magnetic sensor :)
Patent 5668534: Containment failure detection device and method
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Leakage : Bridge circuit)
Patent 5668535: Filter condition sensor and indicator
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Flow rate : Filter clogging : Having means locking device to article)
Patent 5668536: Fluid level sensing apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Material level : Liquid : Electrode probe : Laser)
Patent 5668537: Theatrical lighting control network
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Monitoring in addition to control (e.g., supervisory) : Including indicator : Interrupted)
Patent 5668538: Modular electricity meter arrangement having remotely controllable switch
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With meter reading : Acoustic or vibratory (e.g., sonic, fluidic, etc.))
Patent 5668539: Thermal emitted radiation detecting device
(COMMUNICATIONS: ELECTRICAL : EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM : Transmitter in another vehicle (e.g., emergency vehicle) : Relative distence between vehicles (e.g., collision alert) : Follow-up (e.g., circuit rebalanced when upset))
Patent 5668540: Detection device for data relating to the passage of vehicles on a road
(COMMUNICATIONS: ELECTRICAL : VEHICLE DETECTORS : Pivoted)
Patent 5668541: System for deriving an anomaly signal during the take-off of an aircraft
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Takeoff indicator : Particular energy guide source (e.g., sound, electric field, radio))
Patent 5668542: Color cockpit display for aircraft systems
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Nonalarm flight indicator : Altitude)
Patent 5668543: Advance notification system and method utilizing passenger calling report generator
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : At remote location : Vehicle's arrival or expected arrival at remote location along route indicated at that remote location (e.g., bus arrival systems) : Glide slope or path)
Patent 5668544: Compound type of keyboard detector
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : With particular key scanning feature : With rollover feature (i.e., antidoublestrike))
Patent 5668545: Simplified encoding apparatus and method for pilot tone modulation in automatic-track-following
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)
Patent 5668546: M=6 (3,6) runlength limited code for multi-level 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 5668547: Runlength coding method and apparatus for use in a video signal encoding system
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from bit count codes : Binary to or from ternary)
Patent 5668548: High performance variable length decoder with enhanced throughput due to tagging of the input bit stream and parallel processing of contiguous
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from variable length codes : To or from Morse code)
Patent 5668549: Radix 2 architecture and calibration technique for pipelined analog to digital converters
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)
Patent 5668550: Weighted current source for a digital-to-analog converter
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Temperature compensation : Digital signal to analog resolver or synchro signal)
Patent 5668551: Power-up calibration of charge redistribution analog-to-digital converter
(CODED DATA GENERATION OR CONVERSION : CONVERTER CALIBRATION OR TESTING : Temperature compensation)
Patent 5668552: Analogue-to-digital converters
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation) : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5668553: R2R digital to analog converter with common shutdown mode
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Using ladder network : With rollover feature (i.e., antidoublestrike))
Patent 5668554: Radar detector display
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR EW (ELECTRONIC WARFARE) : Detection of surveilance : Radar reacts to jamming)
Patent 5668555: Imaging system and apparatus
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Display : Image production : With CRT display)
Patent 5668556: Low-orbit satellite communications system for terminals
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With beam steering : Cursor)
Patent 5668557: Surface-mount antenna and communication device using same
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5668558: Apparatus capable of receiving circularly polarized signals
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5668559: Antenna for portable radio devices
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)
Patent 5668560: Wireless electronic module
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)
Patent 5668561: Antenna coupler
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)
Patent 5668562: Measurement-based method of optimizing the placement of antennas in a RF distribution system
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Measuring signal energy :)
Patent 5668563: Integral type flat antenna provided with converter function
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body :)
Patent 5668564: Combined AM/FM/cellular telephone antenna system
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Active sleeve surrounds feed line : With coaxial active rod : With main and subreflector (Casse-grain type))
Patent 5668565: Flexible feed line for an antenna system
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Spiral or helical type : Antenna on bracket)
Patent 5668566: Wireless computer picture transmission device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL DISPLAY SYSTEMS : Remotely located : Wireless connection : Changing of subpixel location over time)
Patent 5668567: Electro-optical display device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Fluid light emitter (e.g., gas, liquid, or plasma) : Having endless belt or tape reader)
Patent 5668568: Interface for LED matrix display with buffers with random access input and direct memory access output
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Solid body light emitter (e.g., LED) : Color : Resistor-diode arrangement)
Patent 5668569: Tiled, flat-panel displays with luminance-correcting capability
(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) : Grouped electrodes (e.g., matrix partitioned into sections) : Particular row or column control (e.g., shift register))
Patent 5668570: Desktop computer with adjustable flat panel screen
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Having programmable function key)
Patent 5668571: Method and apparatus for generating hardware icons and cursors
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Window or viewpoint : Layout modification (e.g., move or resize) : Overlap control : Priority or overlap change (e.g., z-order) :)
Patent 5668572: Color temperature compensation for digital display system with color wheel
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Intensity or color driving control (e.g., gray scale) : Including optical means : Changing of subpixel location over time)
Patent 5668573: Management method for a man-machine interaction system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Animation)
Patent 5668574: Palm-top wireless trackball
(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 5668575: Device for securing a mouse ball
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Scaling)
Patent 5668576: Transparent touch panel with contractible resin layer used to maintain visibility
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Having programmable function key)
Patent 5668577: Video circuit for generating special fast dynamic displays
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Logical operations : Mask data operation : Multiple planes)
Patent 5668578: Method for fabricating ferrolelectric domain reversals, and optical wavelength converter element
(RECORDERS : MAGNETOGRAPHIC : Physical reorientation of magnetic particles : Under discrete element control)
Patent 5668579: Apparatus for and a method of driving an ink jet head having an electrostatic actuator
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Drive waveform :)
Patent 5668580: De-coupleable print position indicator
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With means to scan fluid ejector relative to the receiving medium : Waste storage)
Patent 5668581: Ink jet printing apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With means to scan fluid ejector relative to the receiving medium : Waste storage)
Patent 5668582: Printer with interchangeable printing heads
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Modular : Nozzles)
Patent 5668583: Ink printer head composed of individual ink printer modules
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With piezoelectric force ejection : Layers, plates : Flow path)
Patent 5668584: Method of multiple zone heating of inkjet media using screen platen
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Medium and processing means : Drying or curing : Ink)
Patent 5668585: Variable platen pressure control for a thermal transfer printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Platen or engaging means therefor : Including tensioning means)
Patent 5668586: Recording medium for use in thermal transfer printing operations and hot-melting-type thermal transfer print system using the same
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : With recording medium : Including tensioning means)
Patent 5668587: Automatic LED printbar uniformity and adjustment
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Driving circuitry : Including switching means)
Patent 5668588: Spiral scanning image recording apparatus and image recording method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific optical structure : Having mounting or supporting means : For detecting color)
Patent 5668589: Thermal recording device with controller for correcting laser beam intensity
(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 5668590: Optical beam scanning system with rotating beam compensation
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : By varying dotting density)
Patent 5668591: Information terminal apparatus that is remotely programmed by radio waves and that displays input keys of program functions on a display
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH LOCAL INTERACTION : Receiver (e.g., set-top box) : Programmable or upgradeable : Diplex filter)
Patent 5668592: Interactive television terminal responsive to user commands which combines static service data and recurrently broadcast dynamic service
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH UPSTREAM COMMUNICATION : Receiver (e.g., set-top box) : Having particular storage feature : Diplex filter)
Patent 5668593: Method and camera system for step frame reconnaissance with motion compensation
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Aerial viewing : With rotating reflector : With modification of scanner sweep)
Patent 5668594: Method and apparatus for aligning and synchronizing a remote video signal and a local video signal
(TELEVISION : MONITORING, TESTING, OR MEASURING : Synchronization (e.g., H-sync to subcarrier) : Signal to noise ratio)
Patent 5668595: Multi-lens imaging apparatus having a mechanism for combining a plurality of images without displacement of registration
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Unitary image formed by compiling sub-areas of same scene (e.g., array of cameras) : With image intensifier)
Patent 5668596: Digital imaging device optimized for color performance
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Exposure control)
Patent 5668597: Electronic camera with rapid automatic focus of an image upon a progressive scan image sensor
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Focus control : Using image signal : With auxiliary sensor or separate area on imager : Using multiple output registers)
Patent 5668598: Motion video compression system with guaranteed bit production limits
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Bidirectional : Subband coding)
Patent 5668599: Memory management for an MPEG2 compliant decoder
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Bidirectional : Subband coding)
Patent 5668600: Method and apparatus for encoding and decoding a video signal using feature point based motion estimation
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)
Patent 5668601: Audio/video decoding system
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Specific decompression process : Discrete cosine)
Patent 5668602: Real-time television image pixel multiplication methods and apparatus
(TELEVISION : FORMAT CONVERSION : Line doublers type (e.g., interlace to progressive IDTV type) : Specified chrominance signal)
Patent 5668603: Video finger print method and apparatus
(TELEVISION : FORMAT : Including additional information : Pulse code modulation)
Patent 5668604: Horizontal magnifying circuit for video signals
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : For magnification of part of image : Color television : Color processing)
Patent 5668605: Object keying in video images based on distance from camera
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Rotation)
Patent 5668606: Contour restoration apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Transition or edge sharpeners : For color television)
Patent 5668608: Motion vector estimation method and apparatus for use in an image signal encoding system
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Motion vector generation : Diode)
Patent 5668609: Motion detector and key signal interpolator using same
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Motion dependent key signal generation or scene change detection : Diode)
Patent 5668610: LMDS transmitter array with polarization-diversity sub-cells
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : CELLULAR VIDEO DISTRIBUTION SYSTEM : Interactive program selection)
Patent 5668611: Full color sequential image projection system incorporating pulse rate modulated illumination
(TELEVISION : VIDEO DISPLAY : Projection device : Single light modulator : Deformable medium : Including solid-state deflection elements (e.g., deformable mirror device (DMD)) : Fluid)
Patent 5668612: Pivotable protective screen structure which is height-adjustable and forward/backward shiftable
(TELEVISION : VIDEO DISPLAY : Cathode-ray tube : Protective device : With color specific optical device)
Patent 5668613: Liquid crystal display with a plurality of contiguous pixels or pixel groups with the same or different storage capacitances
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With supplemental capacitor : With particular dielectric mirror for spatial light modulator (i.e., SLM))
Patent 5668614: Pixelized liquid crystal display materials including chiral material adopted to change its chirality upon photo-irradiation
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Reflector : Cholesteric reflector : Conductive mask)
Patent 5668615: LCD device with alignment films having a pretilt changing characteristic
(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 : Formed by particular technique (e.g., Langmuir Blodgett, stretching, etc.) : Having structure produced by rubbing under particular rubbing conditions (e.g., particular direction, rubbing force, by using named rubbing material or roller, etc.) : With gate electrode between liquid crystal and semiconductor layer)
Patent 5668616: Ferroelectric liquid crystal device with alignment layers having surface unevenness different from each other
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Particular nonoptical film or layer (e.g., adhesive layer, barrier layer) : Alignment layer : With different alignments on opposite substrates : Having structure produced by rubbing under particular rubbing conditions (e.g., particular direction, rubbing force, by using named rubbing material or roller, etc.))
Patent 5668617: Thin film-liquid crystal display panel and manufacturing method thereof
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Spacer : Formed as walls (e.g., between pixels) or integral with substrate : With detail of terminals to external circuit)
Patent 5668618: Multilayer lens particularly for sunglasses
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With antiglare or shading : For contact lens fitting)
Patent 5668619: Device for locking an interchangeable, length-adjustable spectacle side-piece
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Temples : Extensible (e.g., with adjustable sleeve member : Screwless lens mounting)
Patent 5668620: Variable focal length lenses which have an arbitrarily shaped periphery
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Combined : Neck retainers)
Patent 5668621: Hand-held fundus camera with shared light path
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including eye photography :)
Patent 5668622: Device for measuring the position of the fixing point of an eye on a target, method for illuminating the eye and application for displaying
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including eye movement detection : Having means to detect proper distance or alignment (i.e., eye to instrument))
Patent 5668623: Corneal shape measuring apparatus
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including projected target image : For cornea curvature measurement :)
Patent 5668624: Scan type exposure apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)
Patent 5668625: Apparatus for and method for handling film in a photographic printer
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for photosensitive paper : Including vacuum or fluid pressure : Vertical optical path)
Patent 5668626: Distance measuring apparatus
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : Triangulation ranging to a point with one projected beam : Using a source beam with a fixed axial direction or plane : With at least one paired set of staring photodetectors : Having electronic scanning of the photodetector)
Patent 5668627: Optical line testing device and method for automatically and efficiently measuring properties of the optical line
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)
Patent 5668628: Detection angle control method for laser sensor
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Relative attitude indication along 3 axes with photodetection : With reticle or slot)
Patent 5668629: Remote tracking system particulary for moving picture cameras and method
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Automatic following or aligning while indicating measurement : With optical elements moving relative to fixed housing to follow or align : Reflective optical member)
Patent 5668630: Dual-bed scanner with reduced transport time
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Surface condition : On patterned or topographical surface (e.g., wafer, mask, circuit board) : On patterned or topographical surface (e.g., wafer, mask, circuit board))
Patent 5668631: Measuring system with improved method of reading image data of an object
(OPTICS: MEASURING AND TESTING : SHAPE OR SURFACE CONFIGURATION : Triangulation : Scan : Scan)
Patent 5668632: Method of measuring the soiling of flooring surfaces
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : With registration indicia (e.g., scale))
Patent 5668633: Method and system for formulating a color match
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : With registration indicia (e.g., scale))
Patent 5668634: Quality control and grading system for meat
(OPTICS: MEASURING AND TESTING : OF LIGHT REFLECTION (E.G., GLASS) : Of photographic film)
Patent 5668635: Facsimile system operable in toner save mode, depending upon type of original image data
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5668636: Embedded data controlled digital highlight color copier
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5668637: Image processing apparatus having a copy function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5668638: Error diffusion method with symmetric enhancement
(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) : Print element property varied to effect halftone pattern : Density of print element (e.g., multi-level halftone) :)
Patent 5668639: Method for video editing
(CRYPTOGRAPHY : ELECTRIC SIGNAL MODIFICATION : Including particular structure or housing (e.g., display, keyboard) : By perforated record)
Patent 5668640: Facsimile equipment
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Coding for digital facsimile equipment (e.g., Group 3 or 4))
Patent 5668641: Facsimile apparatus for error retransmission
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Transmitter and receiver both supply auxiliary signal(s) : Auxiliary signal controls apparatus at both transmitter and receiver : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5668642: Image data communication apparatus capable of receiving image data during power failure
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Interruption detection and control : Auxiliary signal controls apparatus at both transmitter and receiver)
Patent 5668643: Recording apparatus having a text processing mode using a threshold and an image processing mode using a mean valve of pixel data samples as
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Adaptive image reproduction : Look-up table for image processing or print attribute data (e.g., threshold value, print element property))
Patent 5668644: Video clock signal generator in an optical scanner in which a mask including a linear scale provides timing for controlling the amplitude
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Coherent light : Stylus type)
Patent 5668645: Method and apparatus for printing films
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile transparency image scanning : Charge coupled device)
Patent 5668646: Apparatus and method for decoding differently encoded multi-level and binary image data, the later corresponding to a color in the original
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : With memory for storage of conversion data)
Patent 5668647: Method and apparatus and for processing ultrafast optical signals
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium : Recyclable :)
Patent 5668648: Computer-assisted holographic display apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : For synthetically generating a hologram : Having nonplanar recording medium surface)
Patent 5668649: Structure of liquid crystal display device for antireflection
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With particular switching device : Transistor : With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure)
Patent 5668650: Thin film transistor panel having an extended source electrode
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With particular switching device : Transistor : With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure)
Patent 5668651: Polymer-wall LCD having liquid crystal molecules having a plane-symmetrical bend orientation
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Spacer : Formed as walls (e.g., between pixels) or integral with substrate : With detail of terminals to external circuit)
Patent 5668652: Optical WDM (wavelength division multiplexing) transmission system and method for configuring the same
(OPTICAL COMMUNICATIONS : MULTIPLEX : Broadcast and distribution system : WDM : Repeater)
Patent 5668653: High-speed switch for fast routing of data packets
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Time : Including delay :)
Patent 5668654: Package for an infrared communications adapter
(OPTICAL COMMUNICATIONS : OPTICAL TRANSCEIVER : Including optical fiber or waveguide : Including optical fiber or waveguide)
Patent 5668655: Tilt mirror arrangement
(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) : Particular mount or driver for element : Sequential frames on moving film)
Patent 5668656: Light supplying optical device
(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) : Having particular focusing element to receive scanned light : Concave reflector :)
Patent 5668657: PLZT based electro-optic phased array optical scanner
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) : Electro-optic : Particular cell orientation)
Patent 5668658: Transfer of repeater information signals in in-line optical amplifier repeater system
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Optical fiber : Feedback : Surge protection : Adjusting input signal power)
Patent 5668659: Optical fibers for optical amplifiers
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Optical fiber : Composition (e.g., Tm, Tb, Eu, Ho, Dy, Nd) : Fault detection)
Patent 5668660: Microscope with plural zoom lens assemblies in series
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Spacing of optical elements axially adjustable : Variable magnification : Binocular)
Patent 5668661: Microscope
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Spacing of optical elements axially adjustable : Variable magnification : Binocular)
Patent 5668662: Front projection screen with lenticular front surface
(OPTICAL: SYSTEMS AND ELEMENTS : PROJECTION SCREEN : Embedded particles : Movable or adjustable)
Patent 5668663: Electrochromic mirrors and devices
(OPTICAL: SYSTEMS AND ELEMENTS : GLARE OR UNWANTED LIGHT REDUCTION : With mirror (e.g., mirror with glare screen, etc.) : Anti-glare mirror : Adjustable : Translucent or other semitransmitting panel selectively positioned in front of mirror : Reversible)
Patent 5668664: Color separation prism assembly for C-mount camera
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Wavelength selective (e.g., dichroic mirror, etc.) : With additional reflector (e.g., serial reflections, etc.))
Patent 5668665: Telecentric, parfocal, multiple magnification optical system for videoinspection apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Telecentric system : Having less than four components)
Patent 5668666: Zoom lens with an anamorphic converter
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Selective magnification by exchanging or adding a lens component : To the middle of a basic lens : In a variable media (e.g., gas, elastomer, etc.))
Patent 5668667: Zoom lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Having seven or less components)
Patent 5668668: Zoom lens with five lens groups
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Having seven or less components)
Patent 5668669: Compact wide-angle objective lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Other than first group moves for focusing (internal focus type) : Cylindrical lenslets)
Patent 5668670: Zoom lens barrel
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : With macro-type focusing)
Patent 5668671: Dioptric lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Including a nonspherical surface : Having three components : With macro type focusing)
Patent 5668672: Catadioptric system and exposure apparatus having the same
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With reflecting element : Including concave or convex reflecting surface : Objective for laser (e.g., optical disc, etc.))
Patent 5668673: Catadioptric reduction projection optical system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With reflecting element : Including concave or convex reflecting surface : Reflectors in series : With concave and convex reflectors in series : Auto focusing)
Patent 5668674: Reflecting prism and a finder system having a reflecting prism
(OPTICAL: SYSTEMS AND ELEMENTS : PRISM (INCLUDING MOUNT) : With reflecting surface : Plural reflecting surfaces : For binocular or porro-prism : Bayonet coupling)
Patent 5668675: Opto-electronic aid for alignment of exterior vehicle mirrors to minimize blind spot effects
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Automatically adjustable in response to vehicle position, control, or indicator : Plural reflecting surfaces)
Patent 5668676: Magnetic head write amplifier including current mirrors and switchable current sources
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Head amplifier circuit : Intra-cell transition)
Patent 5668677: Apparatus for recording and reproducing variable length codes
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data in specific format : Intra-cell transition)
Patent 5668678: Detecting servo data and servo bursts from discrete time samples of an analog read signal in a sampled amplitude read channel
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data clocking : Intra-cell transition)
Patent 5668679: System for self-servowriting a disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Stopping or reversing)
Patent 5668680: Time optimal control of a disc drive actuator with vibro-acoustic constraints
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track changing : For rotary carrier (e.g., disc) : Specified velocity pattern during access : Controlled by memory device : Dithering)
Patent 5668681: Automatic-reverse tape player with a switchable rotational gear assembly
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Plural reels : Reel drive details : With common capstan drive : Dithering)
Patent 5668682: Head lift mechanism implemented in a removable magnetic disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head into/out of transducing position : Disk record : Arcuate track change type : Moving lifter : Three or more rails/pads)
Patent 5668683: Counter balanced rotary airlock actuator latch assembly for disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head into/out of transducing position : Disk record : Latch : Air vane : Actuator side detail)
Patent 5668684: Electrical interconnect for a head/arm assembly of computer disk drives
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For shifting head between tracks : Disk record : Arcuate head movement : Electrical connection detail onto actuator arm : Actuator side detail)
Patent 5668685: Magnetic disc apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having Anisotropic Magnetoresistive (AMR) sensor formed of a single thin film : Detail of longitudinal biasing : Using exchange couple biasing : Voice coil adjuster)
Patent 5668686: Magneto-resistive reading head with reduced side-lobe
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Detail of magnetic shielding : In horizontal head configuration)
Patent 5668687: Magnetoresistive sensor employing an exchange-bias enhancing layer with a variable-composition transition region
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having Anisotropic Magnetoresistive (AMR) sensor formed of a single thin film : Detail of longitudinal biasing : Using exchange couple biasing : Voice coil adjuster)
Patent 5668688: Current perpendicular-to-the-plane spin valve type magnetoresistive transducer
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having Giant Magnetoresistive (GMR) or Colossal Magnetoresistive (CMR) sensor formed of multiple thin films : Having one film pinned (e.g., spin valve) : Pivot/load button detail)
Patent 5668689: Inverted magnetoresistive head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Combined with inductive write head in piggyback/merged configuration : Plural actuators)
Patent 5668690: Method and apparatus for lifetime prediction of gas lubricated interfaces in data storage devices
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : MISCELLANEOUS : Drum)
Patent 5668691: Arrangement for gas circuit breaker with reactor and capacitor connected in series and method for setting its circuit parameter
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Arc suppression at switching point (i.e., includes solid-state switch) : Shunt bypass of main switch : By arc stretching (e.g., horn gap))
Patent 5668692: Self-powered circuit interruption arrangement
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : Automatic reset after trip : Protection for thyristor)
Patent 5668693: Method of monitoring a contactor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : For relays or solenoids : Condition responsive (e.g., external circuit condition) : Voltage or current level discriminators : Specific frequency responsive relay)
Patent 5668694: Multilayer ceramic chip capacitor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Ceramic, glass, or oxide particles : With multilayer ceramic capacitor : Composition : Including halogen (e.g., chlorinated))
Patent 5668695: Portable computer utilizable by an over head projector and tilting mechanism thereof
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)
Patent 5668696: Carrier-based mounting structure for computer peripheral chassis
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Memory unit support : Disk drive support : With plug-in circuit breakers)
Patent 5668697: Data storage module having cradles on housing and elastomeric member mounted on data storage mechanism
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Memory unit support : Disk drive support : With plug-in circuit breakers)
Patent 5668698: Smart connector for an electrical device
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : With housing or chassis : With particular conductive material or coating)
Patent 5668699: System and method for providing uniform solder jiunt height for printed circuit boards and their assemblies
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : With housing or chassis : Specific chassis or ground : Welded connection)
Patent 5668700: Panel assembly structure capable of connecting wiring line with electrode at fine pitch
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : By specific pattern on board : With specific connection material : Circuit board mounted)
Patent 5668701: Up-down tuner having a grounding plate provided with generally L-shaped soldering portions
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Shielding : Tube mounting)
Patent 5668702: Combination axial and surface mount cylindrical package containing one or more electronic components
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : For semiconductor device : EMI)
Patent 5668703: Boost converter for driving a capacitive load
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : With dynamic rectifier in phase 2 to D.C. stage (e.g., commutator type))
Patent 5668704: Self-exciting flyback converter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, self-oscillating type : With automatic control of the magnitude of output voltage or current :)
Patent 5668705: Wide range single-phase/polyphase switching power supply
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, separately-driven type : With automatic control of the magnitude of output voltage or current : For flyback-type converter : Having feedback winding inductively coupled to inverter inductive device (e.g., tertiary winding, etc.) : Having particular pulse-width modulation circuit)
Patent 5668706: Load driving circuit
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, separately-driven type : With automatic control of the magnitude of output voltage or current : For forward-type converter : Having digital logic :)
Patent 5668707: Multi-phase power converter with harmonic neutralization
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With means to introduce or eliminate frequency components : In rectifier systems : By step-wave, amplitude summation technique)
Patent 5668708: DC power supply with reduced ripple
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With means to introduce or eliminate frequency components : In rectifier systems : Including means for reducing ripples from the output : With ripple responsive, automatic control : Utilizing pulse-width modulation)
Patent 5668709: Switched capacitor current source
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With voltage multiplication means (i.e., V out > V in) : Including semiconductor means : Thyristor inverter)
Patent 5668710: Charge pump circuit having independent inverted and non-inverted terminals
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With voltage multiplication means (i.e., V out > V in) : Including semiconductor means : Thyristor inverter)
Patent 5668711: Electronic circuit for converting electrical energy, and a power supply installation making use thereof
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With voltage division by storage type impedance (i.e., V out) : Including semiconductor means)
Patent 5668712: Circuit for controlling a DCC converter in a power supply circuit for a discharge lamp of a motor vehicle headlight
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For inverter : With electron tube or valve control means in the line circuit)
Patent 5668713: Inverter control method and inverter control device performing feedback control by suppressing delay
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For inverter : With electron tube or valve control means in the line circuit)
Patent 5668714: Control system for multi-processor apparatus
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Plural processors :)
Patent 5668715: Multiple output, zero voltage switching, series resonant VHF inverter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In transistor inverter systems : Thyristor)
Patent 5668716: Controller for two-way serial transmission and adapter for serial port
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Plural processors :)
Patent 5668717: Method and apparatus for model-free optimal signal timing for system-wide traffic control
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Statistical process control (SPC) : Neural network)
Patent 5668718: Generating growth alternatives
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Operations research : Allocating resources or scheduling for an administrative function : Including a payment switch or gateway)
Patent 5668719: Method of fertilizer application and field treatment
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Earth science :)
Patent 5668720: Air bag controlling apparatus
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Series-connected)
Patent 5668721: Electric power steering motor control
(MOTOR VEHICLES : STEERING GEAR : Each wheel steerable : With electric power assist : With condition modulated steering)
Patent 5668722: Electric power steering control
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Steering control : Artificial intelligence (e.g., fuzzy logic))
Patent 5668723: Method and apparatus for sensing a vehicle crash using crash energy
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Control of vehicle safety devices (e.g., airbag, seat-belt, etc.) : Artificial intelligence (e.g., fuzzy logic))
Patent 5668724: Method for improving the controllabilty of motor vehicles
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Antiskid, antilock, or brake slip control : Control of brake pressure : Having coefficient of friction or road condition determining means :)
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