Patents 5691662 - 5691920
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Patent 5691662: Method for minimizing clock skew in integrated circuits and printed circuits
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Clock or pulse waveform generating : Clock fault compensation or redundant clocks : Electron tube)
Patent 5691663: Single-ended supply preamplifier with high power supply rejection ratio
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Nonlinear amplifying circuit : Active filter)
Patent 5691664: Programmable analog array and method for establishing a feedback loop therein
(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 5691665: PPM demodulation device
(DEMODULATORS : PULSE OR INTERRUPTED CONTINUOUS WAVE DEMODULATOR : Pulse position, frequency, phase or spacing demodulator : Including phase or frequency locked loop)
Patent 5691666: Full threshold FM deviation compression feedback demodulator and method
(DEMODULATORS : FREQUENCY MODULATION DEMODULATOR : Having specific distortion, noise or other interference prevention, reduction or compensation : Using feedback to reduce distortion, noise or other interference : With parallel signal combiners (e.g., Costas loop))
Patent 5691667: RF radiation absorbing material disposed between the cathode and anode of an electron beam tube
(AMPLIFIERS : WITH ELECTRON BEAM TUBE AMPLIFYING DEVICE : Including plural stages cascaded)
Patent 5691668: Feedforward amplifier
(AMPLIFIERS : WITH AMPLIFIER BYPASS MEANS (E.G., FORWARD FEED) : Electron tube or diode as impedance)
Patent 5691669: Dual adjust current controlled phase locked loop
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Particular error voltage control (e.g., intergrating network) : Motor control of oscillator)
Patent 5691670: Integrated microwave-silicon component
(OSCILLATORS : WITH DISTRIBUTED PARAMETER RESONATOR : With distributed parameter resonator)
Patent 5691671: Method and apparatus for a crystal oscillator using piecewise linear odd symmetry temperature compensation
(OSCILLATORS : ELECTROMECHANICAL RESONATOR : Crystal : With sync, trigger, or pulsing circuit (e.g., self-pulsing))
Patent 5691672: Magnetic coupling device between a TEM line main conductor and a waveguide forming a .lambda.g/2 resonator
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Balanced to unbalanced circuits : Having long line elements : Using waveguide)
Patent 5691673: Semiconductor integrated circuit apparatus having input/output portions impedance-matched for transmission lines
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : With impedance matching : Having long line elements : Having plural concentric helices)
Patent 5691674: Dielectric resonator apparatus comprising at least three quarter-wavelength dielectric coaxial resonators and having capacitance
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Magnetostrictive wave transmission path)
Patent 5691675: Resonator with external conductor as resonance inductance element and multiple resonator filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Magnetostrictive wave transmission path)
Patent 5691676: Strip line filter, receiver with strip line filter and method of tuning the strip line filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Stripline or microstrip : Plural mechanically coupled disk resonators)
Patent 5691677: Tunable resonator for microwave oscillators and filters
(WAVE TRANSMISSION LINES AND NETWORKS : RESONATORS (DISTRIBUTED PARAMETER TYPE) : Dielectric type : Providing negative resistance)
Patent 5691678: Electromagnets
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Superconductive type : With coil structure)
Patent 5691679: Ceramic superconducting lead resistant to moisture and breakage
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Superconductive type : With coil structure)
Patent 5691680: Method of recognizing the impingement of a reciprocating armature in an electromagnetic actuator
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With plunger-type armature : Plural coils controlling a single armature : Special armature construction or mounting means (e.g., to assure positive seating of armature))
Patent 5691681: Method of producing a field magnet for a DC motor and a field magnet for a DC motor
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : For magnetizing or demagnetizing : Coil shape, structure or material)
Patent 5691682: Very high field micro magnetic roller and method of making same
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Permanent magnets : With cooling means)
Patent 5691683: Multi-pole composite magnet
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Permanent magnets : Plural magnets : With outer casing or housing)
Patent 5691684: Article storage container with bar code scanning
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Inventory : Permitting access)
Patent 5691685: High frequency water cooled induction heating transformer
(INDUCTOR DEVICES : WITH TEMPERATURE MODIFIER : Heat exchanging surfaces :)
Patent 5691686: Transformer zero-phase current transformer
(INDUCTOR DEVICES : WITH OUTER CASING OR HOUSING : Adjustable inductor)
Patent 5691687: Contactless magnetic slip ring
(INDUCTOR DEVICES : RELATIVELY MOVABLE COILS : With core : Coil and core movable as a unit : Angularly movable :)
Patent 5691688: PTC device
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Current and/or voltage (e.g., ballast resistor) : Thermistor type :)
Patent 5691689: Electrical circuit protection devices comprising PTC conductive liquid crystal polymer compositions
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Current and/or voltage (e.g., ballast resistor) : Thermistor type :)
Patent 5691690: Chip type jumper
(ELECTRICAL RESISTORS : WITH BASE EXTENDING ALONG RESISTANCE ELEMENT : Resistance element coated on base : Terminal coated on : Element coiled on a core)
Patent 5691691: Power-line communication system using pulse transmission on the AC line
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal over power line : Modulation technique : With independent manual controller)
Patent 5691692: Portable machine with machine diagnosis indicator circuit
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Curb)
Patent 5691693: Impaired transportation vehicle operator system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Operation efficiency (e.g., engine performance, driver habits) : Accessory (e.g., speaker, radio face plate, etc.))
Patent 5691694: Method for alarming of tire deflation and apparatus therefor
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Tire deflation or inflation : Accessory (e.g., speaker, radio face plate, etc.))
Patent 5691695: Vehicle information display on steering wheel surface
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Plural conditions : With particular display means : Inductive)
Patent 5691696: System and method for broadcasting colored light for emergency signals
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External signal light system : Hazard warning or distress signalling : With particular display means)
Patent 5691697: Security system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Disturbance of fluid pressure : Permutation)
Patent 5691698: Identification and/or sensor system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Detectable device on protected article (e.g., "tag") : Having tuned resonant circuit : Fence)
Patent 5691699: Security detector with optical data transmitter
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Flame : By radiant energy : Specified device housing or attachment means)
Patent 5691700: Apparatus and method using non-contact light sensing with selective field of view, low input impedance, current-mode amplification and/or
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Radiant energy : Current modifier or generator)
Patent 5691701: Fluid or vapor diagnostic device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Moisture or humidity (e.g., rain))
Patent 5691702: Pneumatic pressure detector for fire and ground fault detection
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Pressure : Liquid)
Patent 5691703: Multi-signature fire detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Particle suspension in fluid : Smoke : Float sensor)
Patent 5691704: Practical and improved fire detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Particle suspension in fluid : Smoke : Float sensor)
Patent 5691705: Alarm apparatus for use on a toilet and method
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Position responsive : Cranes)
Patent 5691706: Transformer leak alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Transformer : Thermal or magnetic current sensors)
Patent 5691707: Sensory fitting for monitoring bearing performance
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Machine condition : Bearing : Conveyor belt)
Patent 5691708: Text abstraction method and apparatus
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Paging terminal (i.e., element prior to the transmitter) : Terminal connected to other network (e.g., Internet) : Zoned)
Patent 5691709: Communication transceiver providing unscheduled acknowledge back responses and method therefor
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Two-way paging : Acknowledgment of message receipt : Voice)
Patent 5691710: Self learning IR remote control transmitter
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Frequency responsive actuation : Wireless link : Radio link)
Patent 5691711: Digital electronic key and lock system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Coded record input (e.g., IC card or key) : Mechanical coded record : Including timing means (e.g., clock))
Patent 5691712: Multiple wellbore tool apparatus including a plurality of microprocessor implemented wellbore tools for operating a corresponding plurality of
(COMMUNICATIONS: ELECTRICAL : WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.) : Selective control of subsurface equipment :)
Patent 5691713: Communication apparatus allowing a receiver to recognize a generalized situation of a sender
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Including particular sensor)
Patent 5691714: Process for the serial transmission of digital measurement values
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With calculation : Having plural transmitters)
Patent 5691715: Method and apparatus for detecting fraudulent power line communications signal
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Combined (TM system with other system) : With alarm or annunciator (concurrent with TM) : Having acoustic sensor)
Patent 5691716: Keyboard with keys for moving cursor
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)
Patent 5691717: Database record compression system and method therefor including first and second dictionaries
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)
Patent 5691718: Dual 4-wire analog data multiplexer
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Sampled and held input signal with nonlinear return to datum)
Patent 5691719: Analog/digital converter capable of defining and storing A/D converted data
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Multiplex : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5691720: Delta sigma analog-to-digital converter having programmable resolution/bias current circuitry and method
(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 5691721: Digital/analog converter having separately formed voltage dividing resistance regions
(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 5691722: Direct-digitizing, self stabilizing analog to digital converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Acting sequentially : Including priority encoder)
Patent 5691723: Apparatus and method for encoding and decoding data on tactical air navigation and distance measuring equipment signals
(CODED DATA GENERATION OR CONVERSION : CODE GENERATOR OR TRANSMITTER : With variable pulse spacing or grouping : Using charge transfer devices (e.g., charge coupled devices, charge transfer by switched capacitances))
Patent 5691724: Police traffic radar using FFT processing to find fastest target
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING VELOCITY : Receiver)
Patent 5691725: Distance measuring apparatus capable of measuring plural distance data for calculated angle ranges
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DISTANCE : Triangulation : FM type)
Patent 5691726: GPS/radio antenna combination
(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) : Combined with telecommunication :)
Patent 5691727: Adaptive polarization diversity system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including polarized signal communication transmitter or receiver : With satellite signal correction)
Patent 5691728: Method and apparatus for bias error reductioon in an N-port modeformer of the butler matrix type
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a matrix : Controlled)
Patent 5691729: Aperture-to-receiver gain equalization in multi-beam receiving systems
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a switch : Controlled)
Patent 5691730: Retractable broad-band antenna for portable telephones
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)
Patent 5691731: Closed slot antenna having outer and inner magnetic loops
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : High frequency type loops : Plural : With feedback)
Patent 5691732: Surface mounted chassis antenna atop dielectric base plate and having removable edge portions for tuning resonance
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With variable reactance for tuning antenna : With series reactance in loop)
Patent 5691734: Dual polarizating antennae
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Balanced doublet - centerfed (e.g., dipole) : Sheet or wing type : With main and subreflector (Casse-grain type))
Patent 5691735: Dipole antenna having coupling tabs
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Balanced doublet - centerfed (e.g., dipole) : Sheet or wing type : With main and subreflector (Casse-grain type))
Patent 5691736: Radome with secondary heat shield
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With housing or protective covering : With collapsible or foldable frame)
Patent 5691737: System for explaining an exhibit using spectacle-type displays
(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 5691738: Thin-film electroluminescent display and method of fabricating same
(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) : Electroluminescent : Field emissive (e.g., FED, Spindt, microtip, etc.))
Patent 5691739: Driving device for a liquid crystal display which uses compensating pulses to correct for irregularities in brightness due to cross talk
(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) : Crosstalk elimination : Having endless belt or tape reader)
Patent 5691740: Liquid crystal apparatus and driving method
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Waveform generation : Field period polarity reversal : Smooth or continuous)
Patent 5691741: Display apparatus with data communication channel
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Adjusting display pixel size or pixels per given area (i.e., resolution) : Including optical means)
Patent 5691742: Software battery gauge for portable computers
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Menu or selectable iconic array (e.g., palette) : Selectable iconic array : With specific input device)
Patent 5691743: Image display device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Gamut clipping or adjustment :)
Patent 5691744: Processor system comprising a processor and a memory field for containing a computer interface
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : For plural users or sites (e.g., network) : Interface customization or adaption (e.g., client server) : Based on stored usage or user profile (e.g., frequency of use, cookies) : Hierarchical)
Patent 5691745: Low power pixel-based visual display device having dynamically changeable number of grayscale shades
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Intensity or color driving control (e.g., gray scale) : Temporal processing (e.g., pulse width variation over time : Binary weighted : Photosensor encoder)
Patent 5691746: Digital video format conversion by upsampling decompressed data using on-the-fly interpolation and color conversion
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Color bit data modification or conversion : Color space transformation (e.g., RGB to YUV) : Plural look up tables)
Patent 5691747: Electronic pointing device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Trackball : Optical detector)
Patent 5691748: Computer system having multi-device input system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Having programmable function key)
Patent 5691749: Image display apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Light pen for CRT display : CRT having tracking capability : Optical detector)
Patent 5691750: Ink level sensing for disposable ink jet print head cartridges
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of fluid (e.g., ink flow rate, viscosity, etc.) : Fluid content (e.g., moisture or solvent content, ink refilling, liquid level) :)
Patent 5691752: Perovskite thin-film ink jet transducer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With piezoelectric force ejection : With additional feature)
Patent 5691753: Valving connector and ink handling system for thermal ink-jet printbar
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : With aerosol formation)
Patent 5691754: Rigid tube off-axis ink supply
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : With aerosol formation)
Patent 5691755: Collapsible ink cartridge
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : Drop correction)
Patent 5691756: Printer media preheater and method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Medium and processing means : Drying or curing : Ink)
Patent 5691757: Laser marking method and aqueous laser marking composition
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : With medium for receiving an image or feeding means therefor : Pre or post treatment : Block driving)
Patent 5691758: Thermal recording apparatus using recording sheet made of thermal reversible material
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : By electrochemical)
Patent 5691759: Method and apparatus for interleaving raster scan lines in a multi-beam laser imaging device
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Having deflecting means)
Patent 5691760: Photosensitive silicon chip having photosites spaced at varying pitches
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific light source (e.g., LEDs assembly) : Including switching means)
Patent 5691761: Method and apparatus for multi-channel printing in a 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 switching means)
Patent 5691763: Terminated cable portion inspection device for stripped terminal crimping machine
(TELEVISION : SPECIAL APPLICATIONS : Manufacturing : Borehole)
Patent 5691764: Apparatus for examining target objects such as LCD panels
(TELEVISION : SPECIAL APPLICATIONS : Manufacturing : Borehole)
Patent 5691765: Image forming and processing device and method for use with no moving parts camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Power saving mode)
Patent 5691766: Video camera with vented light
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With object or scene illumination : Changing viewing angle via optics)
Patent 5691767: Video conferencing system with high resolution still image capability
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive)
Patent 5691768: Multiple resolution, multi-stream video system using a single standard decoder
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive)
Patent 5691769: Apparatus for encoding a contour of an object
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Transform : Motion vector)
Patent 5691770: Device and method for coding video pictures
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Quantization : Feed forward :)
Patent 5691771: Processing of redundant fields in a moving picture to achieve synchronized system operation
(TELEVISION : SPECIAL APPLICATIONS : Film, disc or card scanning : Motion picture film scanner : Alignment or positioning)
Patent 5691772: White balance adjustment device
(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 5691773: Anti-hand-jittering dataform readers and methods
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Smear : In charge coupled type sensor :)
Patent 5691774: Apparatus for detecting motion vector and encoding picture signals
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Plural : Subband coding)
Patent 5691775: Reduction of motion estimation artifacts
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Bidirectional : Subband coding)
Patent 5691776: Method of transmitting teltext pages including an index table with a code for selecting particular and common extension pages to enhance
(TELEVISION : NONPICTORIAL DATA PACKET IN TELEVISION FORMAT : Data format : Frequency change of subcarrier)
Patent 5691777: Method and apparatus for simultaneous compression of video, audio and data signals
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Transform : Motion vector)
Patent 5691778: Double-wide television set having double-deck videocassette recorder and CD-OK system and method of controlling the same using graphic-remote
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : OPERATOR INTERFACE : To facilitate tuning or selection of video signal : Selecting from multiple inputs or sources : Provided on recordable medium)
Patent 5691779: Color conversion apparatus that restricts the color reproduction range of primary color signals
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance signal amplitude control (e.g., saturation) : Including chrominance signal amplitude control)
Patent 5691780: Phase error control for color wheel
(TELEVISION : VIDEO DISPLAY : Color sequential : With moving color filters : Including processor interface (e.g., CPU))
Patent 5691781: Fixation of cathode ray tube in TV receiver cabinet
(TELEVISION : VIDEO DISPLAY : Cathode-ray tube : Support : CRT position adjustable by user : Protective glass or panel)
Patent 5691782: Liquid-crystal display with inter-line short-circuit preventive function and process for producing same
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With particular switching device : Transistor : Structure of transistor : With particular gate electrode structure : With gate electrode between liquid crystal and semiconductor layer :)
Patent 5691783: Liquid crystal display device and method for driving the same
(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 : Plural nonredundant transistors per pixel : With particular gate electrode structure)
Patent 5691784: Apparatus for the projection of fringe-like light patterns
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM :)
Patent 5691785: Color projection type display apparatus having three liquid displays of same structure
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Plural light path projectors :)
Patent 5691786: Liquid crystal display device having compensating capacitive element for defective pixels
(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 : In active matrix with separate dedicated capacitor line : With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure)
Patent 5691787: Active matrix type LCD having short resistors made of microcrystalline n+Si
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With antistatic elements : In active matrix with separate dedicated capacitor line)
Patent 5691788: LCD having a polarization or diffusion plate with an irregularly coated first opaque material and a black matrix of a second opaque material
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Polarizer : Formed by particular technique)
Patent 5691789: Single-layer reflective super broadband circular polarizer and method of fabrication therefor
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Polarizer : Circular : Formed with particular alignment technique)
Patent 5691790: Colored liquid crystal display having a reflector which reflects different wavelengths of light for different incident angles
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Reflector : Opaque mask or black mask)
Patent 5691791: Reflective liquid crystal display device and reflector
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Reflector : Opaque mask or black mask)
Patent 5691792: Method for producing a liquid crystal display apparatus by irradiating an aligning film with light to reduce pretilt angles of liquid crystal
(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.) : With particular insulating layer)
Patent 5691793: Liquid crystal display apparatus having gap adjusting means under the sealing region
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Spacer : With particular injection port or injection plug)
Patent 5691794: Liquid crystal display device
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Substrate : Plural types in single liquid crystal cell)
Patent 5691795: Polymer stabilized liquid crystalline light modulating device and material
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL : Utilizing change within liquid crystal phase (e.g., Grandjean to focal conic, etc.) : Nonchiral additive in the liquid crystal material)
Patent 5691796: Ophthalmic mounting for bifocal lenses
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With vertical adjustment of multifocal lenses : Detachably secured)
Patent 5691797: Multifocal contact lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Eye contact type : Multifocal : Spring between lens and strap)
Patent 5691798: Progressive power ophthalmic lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Multifocal : Gradually varying focal power : Spring between lens and strap)
Patent 5691799: Method and apparatus for measuring vertical and horizontal pupillary decentration
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : For interpupillary distance measuring or lens positioning : Of abnormal muscular functioning)
Patent 5691800: Ophthalmologic apparatus
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including projected target image : For cornea curvature measurement :)
Patent 5691801: Hand-held viewer for motion picture cassettes
(OPTICS: MOTION PICTURES : CAMERA AND/OR PROJECTOR DRIVE MECHANISMS : With continuous feed and intermittent film arresting means : By braking)
Patent 5691802: Catadioptric optical system and exposure apparatus having the same
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)
Patent 5691803: Advanced exposure apparatus and exposure method using the same
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Focus or magnification control : Reflector between original and photo-sensitive paper)
Patent 5691805: Multiple format 3D photographic printer
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for photosensitive paper : Including shutter, diaphragm, polarizer or filter)
Patent 5691806: Projection exposure apparatus containing an enclosed hollow structure
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for photosensitive paper : Including shutter, diaphragm, polarizer or filter)
Patent 5691807: Process cartridge and image forming apparatus with indicating means
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Exposure or charging (e.g., fatigue treatment))
Patent 5691808: Laser range finder receiver
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having different frequency sources)
Patent 5691809: Method and apparatus for studying organic deposition
(OPTICS: MEASURING AND TESTING : WITH PLURAL DIVERSE TEST OR ART : Lamp attachments)
Patent 5691810: Dual-bed scanner with reduced transport time
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Integrating spheres)
Patent 5691811: Method of and apparatus for detecting defect of transparent sheet as sheet glass
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Transparent or translucent material : Detection of foreign material (e.g., trash, splinters, contaminants, etc.))
Patent 5691812: Calibration standard for calibrating a defect inspection system and a method of forming same
(OPTICS: MEASURING AND TESTING : STANDARD : Surface standard : On patterned or topographical surface (e.g., wafer, mask, circuit board))
Patent 5691813: Valve position sensor
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Position transverse to viewing axis : Special mark or target on object : Moire)
Patent 5691814: Position measuring instrument
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Triangulation : Position of detected arrangement relative to projected beam)
Patent 5691815: Laser inspection tool system
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Triangulation : Position of detected arrangement relative to projected beam)
Patent 5691816: Compact densitometer device
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : With registration indicia (e.g., scale))
Patent 5691817: Apparatus and method for calibration in a spectrophotometer
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : Tristimulus examination : For comparison with master or desired configuration)
Patent 5691818: System and method for enhancing edges and the like for engraving
(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 5691819: Apparatus for producing a legible video image during high speed reproduction of a digital video signal
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Compressing in recording or decompressing in reproducing : Television signal)
Patent 5691820: Data communication system and facsimile machine in the data communication system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Coding for digital facsimile equipment (e.g., Group 3 or 4))
Patent 5691821: A/D converting apparatus and image sensing apparatus
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Low light level : With image intensifier : Video teleconferencing (including access or authorization))
Patent 5691822: Rapid variable angle electronic halftone screening using unrotated threshold matrices
(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) : Screen property or geometry (e.g., shape, period, symmetry, aspect ratio) : Stochastic or random dithering)
Patent 5691823: Apparatus and method for random screening
(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) : Dithering (e.g., spatial distribution of print elements by threshold matrix) : Size of print element)
Patent 5691824: Scanning system for scanning reflective and transmissive images
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile transparency image scanning : Charge coupled device)
Patent 5691825: Optical image scanner
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Linear scanning pattern : Scanning element moves relative to a flat stationary document : Internal scan)
Patent 5691826: Transmission mechanism for a scanner
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Document feed : Scanning element moves relative to a flat stationary document)
Patent 5691827: Image processing apparatus for converting a color image into a pattern image with a line having a width which is equal to or less than a
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : With memory for storage of conversion data)
Patent 5691828: Apparatus and technique for generating a screen reproduction of an image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : Halftone processing : With plural sensors)
Patent 5691829: Method for fixing optical information in crystals and for quasi-phase matching in frequency mixing
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium : Recyclable : Crystalline material :)
Patent 5691830: Holographic optical system including waveplate and aliasing suppression filter
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Holograph on curved substrate)
Patent 5691831: Optical beam scanning device with hologram disc
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Scanner : Flat rotating disk :)
Patent 5691832: Coherence multiplexed transmission system
(OPTICAL COMMUNICATIONS : MULTIPLEX : Wavelength division)
Patent 5691833: Rotary polygon mirror 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) : Particular mount or driver for element : Bearing or shaft for rotary driver :)
Patent 5691834: Ultra compact scanning system for a wide range of speeds, angles and field depth
(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 : X-Y scanner :)
Patent 5691835: Scanning lens
(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 : High distortion lens (e.g., fO lens, etc.) :)
Patent 5691836: Optically addressed spatial light modulator and method
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Modulation of polarized light via modulating input signal : Using reflective or cavity structure :)
Patent 5691837: Magneto-optical element and optical magnetic field sensor using the same
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Having particular chemical composition or structure : Magneto-optic crystal material : PLZT material)
Patent 5691838: Infrared-blocking optical fiber
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Multilayer filter or multilayer reflector : Infrared lens)
Patent 5691839: Laser scanning optical microscope
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Illuminator : Focus adjustment)
Patent 5691840: Video microscope
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Illuminator : Using polarized light : Binocular)
Patent 5691841: Stage driving apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Stage or slide carrier : With illuminator support)
Patent 5691842: Optical sight assembly
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Variable magnification : With prism or U-shaped optical path)
Patent 5691843: Enhanced depth perception in a two-dimensional image
(OPTICAL: SYSTEMS AND ELEMENTS : STEREOSCOPIC : With right and left channel discriminator (e.g., polarized or colored light) : Lenticular)
Patent 5691844: Reflection mirror
(OPTICAL: SYSTEMS AND ELEMENTS : STEREOSCOPIC : With right and left channel discriminator (e.g., polarized or colored light) : Using polarized light : Stereoscopic imaging or three dimensional imaging)
Patent 5691845: Optical isolator, optical isolator with fiber and method for making the same
(OPTICAL: SYSTEMS AND ELEMENTS : POLARIZATION WITHOUT MODULATION : Light polarization without any external input : By birefringent element : Using plural elements : Using film strips)
Patent 5691846: Ultra-flexible retroreflective cube corner composite sheetings and methods of manufacture
(OPTICAL: SYSTEMS AND ELEMENTS : SIGNAL REFLECTOR : 3-Corner retroreflective (i.e., cube corner, trihedral, or triple reflector type) : Unitary plate or sheet comprising plural reflecting elements : Wind driven)
Patent 5691847: Athermalized and achromatized optical systems employing diffractive optical element
(OPTICAL: SYSTEMS AND ELEMENTS : DIFFRACTION : From zone plate : With photographic media)
Patent 5691848: Electrical control system for vehicle options
(OPTICAL: SYSTEMS AND ELEMENTS : GLARE OR UNWANTED LIGHT REDUCTION : With reflection)
Patent 5691849: Rear-view assembly for a vehicle and an adaptor therefor
(OPTICAL: SYSTEMS AND ELEMENTS : GLARE OR UNWANTED LIGHT REDUCTION : With mirror (e.g., mirror with glare screen, etc.) : Anti-glare mirror : Having another filter)
Patent 5691850: Eyepiece
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Eyepiece : Having four components : With additional reflector (e.g., serial reflections, etc.))
Patent 5691851: Zoom lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Having seven or less components)
Patent 5691853: Objective lens for endoscopes
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With light limiting or controlling means : Diaphragm : Between lens components : With concave and convex reflectors in series)
Patent 5691854: Zoom lens with differential focal compensation for visible, IR, and UV light
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With axial adjustment (e.g., adjustable focus, etc.) : With multiple element component)
Patent 5691855: Motor vehicle wide angle rear view mirror
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : Wide angle segmented mirrors : Including an adjustable mirror)
Patent 5691856: Apparatus and method for providing selective hysteresis for zero crossings of a disk drive spindle motor
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Speed : Rotary carrier :)
Patent 5691857: Method using matched filters for determining head positioner micro-jog in hard disk drive employing magneto-resistive heads
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Rotary carrier : Reproduced data signal used for tracking : By signal derived from transport)
Patent 5691858: Magnetic recording and reproducing apparatus having a single master gear and slide member
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)
Patent 5691859: Drive with features which adjust and actuate cartridge transport and library with such drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Plural tapes : Tape in container : Drum)
Patent 5691860: Self sealing structure for a removable disk hard disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Environmental control (e.g., air filter, temperature control) : Plural reels)
Patent 5691861: Actuator arm assembly having side wall projection for carrying juxtaposed head wires
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Electrical connection detail : Motion limiter detail)
Patent 5691862: Recording/reproducing apparatus with an integrated inductive write, magnetoresistive read head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Head urging detail)
Patent 5691863: Power feeding device for VTR rotating drum
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head during transducing : Tape record having rotary head : Power supply : Electrical connection detail)
Patent 5691864: Magnetoresistive head
(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 5691865: Magnetic device and method for locally controllably altering magnetization direction
(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 tunnel junction effect : Detail of free layer or additional film for affecting or biasing the free layer)
Patent 5691866: Magnetic head and method of manufacturing the same
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)
Patent 5691867: Complex type thin film magnetic head and production method thereof
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)
Patent 5691868: Disk cartridge with shutter and slider, and method of connecting them
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)
Patent 5691869: Low cost apparatus for detecting arcing faults and circuit breaker incorporating same
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Ground fault protection : Transformer with structurally combined protective device)
Patent 5691870: Circuit for monitoring and disabling power supply signals to a microprocessor in a computer system utilizing secondary voltage
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific quantity comparison means : Voltage : With time delay protective means)
Patent 5691871: Test circuit for electrical switching device
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : With time delay protective means : With instantaneous override : With multiple timing characteristics (e.g., short, long) :)
Patent 5691872: Single line, multiple line telecommunications surge protector
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Surge prevention (e.g., choke coil) : In communication systems : With multiple timing characteristics (e.g., short, long))
Patent 5691873: Apparatus to generate magnetism
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : For relays or solenoids : Plural relays or solenoids sequentially operated : Thermistor)
Patent 5691874: Power switch control apparatus of equipment
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : For relays or solenoids : Condition responsive (e.g., external circuit condition) : Pulse responsive)
Patent 5691875: Systems for preventing electrostatic accumulation
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : DISCHARGING OR PREVENTING ACCUMULATION OF ELECTRIC CHARGE (E.G., STATIC ELECTRICITY) : Specific conduction means or dissipator : Rod-type structure : Chain-type grounding means)
Patent 5691876: High temperature polyimide electrostatic chuck
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTRIC CHARGE GENERATING OR CONDUCTING MEANS (E.G., CHARGING OF GASES) : Use of forces of electric charge or field : Pinning : Liquid type)
Patent 5691877: Chip type thick film capacitor and method of making the same
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Plural dielectrics : Layered : With adjustment means)
Patent 5691878: Snap-lockable housing for fluorescent lamp ballasts
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : For ballast elements : Tamper resistant)
Patent 5691879: Locking apparatus including key actuated movable locking bar for disk drive carriers
(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 5691880: Portable electronic apparatus having a hinge mechanism which rotatably connects a flat display unit to a housing incorporating a frame for
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including display support : Fluid)
Patent 5691881: Electronic device having E-PAC chassis for spatial arrangement of components and cable organization including channel with retaining wall
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including display support : CRT support : Air)
Patent 5691882: PCMCIA mounting structure
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Memory unit support : Air)
Patent 5691883: Multiple intake duct microprocessor cooling system
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : Air : With air circulating means : Fan or blower : With heat sink or cooling fins :)
Patent 5691884: Semiconductor device with removably fixed lead frame
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : Through support means : Containing silicon or aluminum)
Patent 5691885: Three-dimensional interconnect having modules with vertical top and bottom connectors
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : Plural : Stacked : Selective connections)
Patent 5691886: Programmable rotatable gobo system
(ILLUMINATION : LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER : Adjustable or repositionable modifier : Angularly adjustable or respositionable : Plural, relatively movable : Diffusing type)
Patent 5691887: Self-timing power-up circuit
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With starting arrangement : In rectifier systems)
Patent 5691888: Power controlling unit for a trolley pole switch controller
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Having plural converters for single conversion : Including semiconductor means)
Patent 5691889: Controller having feed-forward and synchronization features
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For rectifier system : With transistor control means in the line circuit : For full wave rectifier with at least 1 three electrode device)
Patent 5691890: Power supply with power factor correction circuit
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For rectifier system : With transistor control means in the line circuit : For full wave rectifier with at least 1 three electrode device)
Patent 5691891: Current balancing arrangement for paralleled diode arrangements
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For rectifier system : With inductive control means in the line circuit : Saturable reactor (e.g., magnetic amplifier) : With plural control windings : Having particular pulse-width modulation circuit)
Patent 5691892: Rectifier arrangement for a three-phase generator
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With conductive support mounting : Adapted for use with alternators : Double ended (i.e., push-pull) type)
Patent 5691893: Adaptive control system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Sequence program response)
Patent 5691894: Cylinder positioning control apparatus
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Sequence program response)
Patent 5691895: Mechanism and architecture for manufacturing control and optimization
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Having model : Having status indication)
Patent 5691896: Field based process control system with auto-tuning
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Specific criteria of system performance : Gain (e.g., tuning) : Economic (e.g., cost))
Patent 5691897: Motion control systems
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Digital positioning (other than machine tool) : Having particular compensation or stabilization feature)
Patent 5691898: Safe and low cost computer peripherals with force feedback for consumer applications
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Having operator control interface (e.g., control/display console) : Positional (e.g., joystick) : Positional with nonpositional)
Patent 5691899: Automotive vehicle suspension control system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Suspension control : Attitude change suppressive control (e.g., antiroll or antipitch) : Inner/outer loop)
Patent 5691900: Method and system for turning detection
(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 5691902: Moving body measuring device and an image processing device for measuring traffic flows
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Traffic analysis or control of surface vehicle : With determination of traffic speed : Digital or programmed data processor)
Patent 5691903: Integrated cable navigation and control system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : Great circle route)
Patent 5691904: Process and device for determining the condition of machines with several measuring points
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : RELATIVE LOCATION : Space orbits or paths)
Patent 5691905: Prosthetic teeth and mold making and polishing therefor
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Design or planning : 3-D product design (e.g., solid modeling) : Proportional-Integral-Derivative (P-I-D))
Patent 5691906: Method of management of a production line and a system for use in the management
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Performance monitoring : Material requirement)
Patent 5691907: Device for programming multiple arrays of semiconductor devices
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Integrated circuit production or semiconductor fabrication : Rapid prototyping (e.g., layer-by-layer, material deposition))
Patent 5691908: Method for actuator identification during the transverse profile control of a continuous material web
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Continuous material having indeterminate length (e.g., web, strand, strip, or sheet) : Rapid prototyping (e.g., layer-by-layer, material deposition))
Patent 5691909: Method of virtual machining to predict the accuracy of part to be made with machine tools
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : IS (individual section) machine)
Patent 5691910: Generic gate level model for characterization of glitch power in logic cells
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Power parameter : Fault location)
Patent 5691911: Method for pre-processing a hardware independent description of a logic circuit
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Logical circuit synthesizer : PLA, PLD, FPGA, OR MCM)
Patent 5691912: Method for entering state flow diagrams using schematic editor programs
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Floorplanning : Layout editor (e.g., updating) : Timing analysis (e.g., delay time, path delay, latch timing))
Patent 5691913: Layout designing apparatus for circuit boards
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Floorplanning : Design verification (e.g., wiring line capacitance, fan-out checking, minimum path width))
Patent 5691914: Fluid flow measurement correcting system, and methods of constructing and utilizing same
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Fluid or fluid flow measurement : Coordinate positioning)
Patent 5691915: Data transmission device
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Finance (e.g., banking, investment or credit) : Including funds transfer or credit transaction : Tax strategies)
Patent 5691916: Method and device for calculating the quality of transmission media containing codecs
(MULTIPLEX COMMUNICATIONS : DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION) : Determination of communication parameters : Having dedicated test line or channel)
Patent 5691917: Event-processing system and method of constructing such a system
(DATA PROCESSING: SOFTWARE DEVELOPMENT, INSTALLATION, AND MANAGEMENT : SOFTWARE PROGRAM DEVELOPMENT TOOL (E.G., INTEGRATED CASE TOOL OR STAND-ALONE DEVELOPMENT TOOL) : Testing or debugging : Monitoring program execution : Syntax based)
Patent 5691918: Circuit and method for determining quantification coefficients in picture compression chains
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Quantization : Having SAW or charge-transfer device)
Patent 5691919: System and method for collecting data on tissue consumption
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Dimensional determination : Linear distance or length : By rotary encoding means : For wheel speed)
Patent 5691920: Method and system for performance monitoring of dispatch unit efficiency in a processing system
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Performance or efficiency evaluation : Computer and peripheral benchmarking : Cause or fault identification)
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