Patents 5539357 - 5539610
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Patent 5539357: 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 5539358: Oscillating circuit arrangement implemented on a printed circuit board using an integrated circuit
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Acoustoelectric device oscillators : Coaxial type)
Patent 5539359: Voltage-controlled oscillator having voltage-sensitive capacitor with bias supply circuit
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : L-C type : Distributed parameter resonator transistor oscillators : Converter using silicon control rectifiers)
Patent 5539360: Differential transmission line including a conductor having breaks therein
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : With balanced circuits : Line substitution)
Patent 5539361: Electromagnetic wave transfer
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Balanced to unbalanced circuits : Having long line elements : Using waveguide)
Patent 5539362: Surface mounted directional coupler
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : Using directional coupler : Having TEM lines : Using stripline : For TEM lines)
Patent 5539363: Dielectric resonator apparatus having adjustable external structure and method of adjusting same
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Coaxial : Tunable)
Patent 5539364: Relay
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : Simultaneously actuated : By pivotal or rockable armature : Reciprocating or linearly sliding)
Patent 5539365: Electrical protection apparatus with circuit breaker and effector
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : With arc-suppression or extinguishing means : Pivoted or relatively movable independently of the armature)
Patent 5539366: Magnet having contoured pole faces for magnetic field homogeneity
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Core structure : Lifting or attracting type (e.g., for lifting pigiron or pulling hairpins))
Patent 5539367: Superconducting gradient shields in magnetic resonance imaging magnets
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : With electric- or magnetic-shielding means : With cooling means)
Patent 5539368: 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 5539369: Multiple-toroid induction device
(INDUCTOR DEVICES : PLURAL PART CORE : Coil on a preformed suport or mount)
Patent 5539370: Inductive motor protective circuit breaker
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : WITH SEPARATE DISTINCT DIVERSE ART-TYPE SWITCHING DEVICE (E.G., FLUID- OR MECHANICAL-ACTUATED) : Fusible element device with other : Manually operable mechanical device : Multiphase of multipole)
Patent 5539371: Fuseless breaking switch
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : With bimetallic elements (i.e., motion takes place in a plane at right angles to its major axis) : With manual or other mechanical contact controlling means : With spring or other energy storage device : Reciprocating or slidable motion device : With push-button actuating means : With common trip-bar means)
Patent 5539372: Magnetic resistance element, method for preparing the same and magnetic sensor using the same
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Magnetic field or compass (e.g., Hall effect type) : Mechanically adjustable or variable)
Patent 5539373: Rotor structure for a position sensor
(ELECTRICAL RESISTORS : MECHANICALLY VARIABLE (E.G., RHEOSTAT) : With resistor actuator position indicator : With intervening connector between contact and element (e.g., taps))
Patent 5539375: Apparatus for transmitting instrumentation signals over power conductors
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal over power line : Separate diverse device deactivated by timer)
Patent 5539376: Anti-tamper shield for auto alarm
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Prerecorded message describes position)
Patent 5539377: Vehicle security system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including immobilization : Intersection turn guidance)
Patent 5539378: Lock with remote alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Lock : Dosimeter)
Patent 5539379: Security enclosure manufacture
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Partition penetration : Plural doors or windows)
Patent 5539380: Metallic glass alloys for mechanically resonant marker surveillance systems
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Disturbance of magnetic field : Plural doors or windows)
Patent 5539381: Fixed threshold and rate of rise heat detector with dynamic thermal reference
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Thermal : Photoelectric)
Patent 5539382: System for monitoring the operation of a condenser unit
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Thermal : Refrigerated storage : Specified device housing or attachment means)
Patent 5539383: Water detection alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Wetness : Bridge circuit)
Patent 5539384: Electronic water utility safety apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Leakage : Bridge circuit)
Patent 5539385: System for monitoring condenser pressure
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Pressure : Liquid)
Patent 5539386: Sensor for detecting air/liquid transitions in a transparent tubing
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Gas : Lubricant)
Patent 5539387: Earthquake sensor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Position responsive : Geophysical (e.g., fault slip) : Conveyor belt)
Patent 5539388: Telemetry and control system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Monitoring in addition to control (e.g., supervisory) : Synchronization : Hunting)
Patent 5539389: Enhanced group addressing system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Addressing : Designated priority)
Patent 5539390: Method for setting addresses for series-connectd apparatuses
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Addressing : Designated priority)
Patent 5539391: Remote controller for controlling turning appliances on and off
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Frequency responsive actuation : Wireless link : Radio link)
Patent 5539392: Method for coordinating radio paging transmissions on local and nationwide channels
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Transmitting configuration : Multiple transmitters : Including reply to query)
Patent 5539393: Information system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Addressing : Designated priority)
Patent 5539394: Time division multiplexed batch mode item identification system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Interrogation response : Interrogation signal detail : Group call : Audible)
Patent 5539395: Location dependent information receiving device and method
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Particular message and address format (e.g., POCSAG, FLEX, etc.) : Over the air)
Patent 5539396: Remote monitoring system for instrumentation
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Including particular sensor)
Patent 5539397: Driving control system for vehicle
(COMMUNICATIONS: ELECTRICAL : EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM : With particular receiver (e.g., ratiometer))
Patent 5539398: GPS-based traffic control preemption system
(COMMUNICATIONS: ELECTRICAL : TRAFFIC CONTROL INDICATOR : Highway information (e.g., weather, speed limits, etc.))
Patent 5539399: Display device for electric vehicle
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : Map display : Including particular display feature (e.g., indication of direction, mileage, road type, etc.) : Intersection turn guidance)
Patent 5539400: Ultra-low power, scan on demand keypad encoder
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)
Patent 5539401: Variable-length code table and variable-length coding device
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from variable length codes : To or from Morse code)
Patent 5539402: System for memorizing maximum values
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Detecting analog signal peak : Plural slope analog to digital converter)
Patent 5539403: D/A conversion apparatus and A/D conversion apparatus
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5539404: Digital to analog converter using recursive signal dividing charge coupled devices
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Using charge coupled devices or switched capacitances : With rollover feature (i.e., antidoublestrike))
Patent 5539405: DAC achieving monotonicity with equal sources and shift array therefor
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Using weighted impedances : With rollover feature (i.e., antidoublestrike))
Patent 5539406: Series-parallel type A-D converter for realizing high speed operation and low power consumption
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using ladder network)
Patent 5539407: Radar apparatus provided with ECCM facilities
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR EW (ELECTRONIC WARFARE) : ECCM (Electronic counter-countermeasures, i.e., antijamming) : Radar reacts to jamming :)
Patent 5539408: Method for the detection, localization and velocity determination of moving targets from raw radar data from a coherent, single- or
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : SYNTHETIC APERTURE RADAR : Mapping or imaging using synthetic aperture radar (EPO) : Specially adapted for moving target detection (EPO) : By varying gain or blocking receiver)
Patent 5539409: Apparatus and method for windshear data processing
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR FOR METEOROLOGICAL USE (EPO) : Mounted on aircraft (EPO) : Particular SAR processing techniques (e.g., squint mode, doppler beam-sharpening mode, spotlight mode, bistatic SAR, inverse SAR) (EPO))
Patent 5539410: Pulse doppler proximity sensor
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS EXTERNAL DEVICE : Proximity fuze : With terrain avoidance or alarm)
Patent 5539411: Multistatic radar signature measurement apparatus
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : TESTING OR CALIBRATING OF RADAR SYSTEM : By monitoring : With delay)
Patent 5539412: Radar system with adaptive clutter suppression
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Spectrum analysis : Mapping)
Patent 5539413: Integrated circuit for remote beam control in a phased array antenna system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With electronic scanning : Controlled : Satellite selection (i.e., tracking or acquisition))
Patent 5539414: Folded dipole microstrip antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5539415: Antenna feed and beamforming network
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5539416: Antenna mounting assembly
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)
Patent 5539417: Antenna clip assembly and antenna control circuit for cellular phone
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)
Patent 5539418: Broad band mobile telephone antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Vehicle part of active antenna or vice versa :)
Patent 5539419: Antenna system for mobile communication
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With means for moving directive antenna for scanning, sweeping or orienting : Reflector and antenna relatively movable : With feedback)
Patent 5539420: Multilayered, planar antenna with annular feed slot, passive resonator and spurious wave traps
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Ring-shaped slot : Motor-driven)
Patent 5539421: Planar antenna with helical antenna array and waveguide
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Spiral or helical type : Antenna on bracket)
Patent 5539422: Head mounted display system
(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 5539423: Three dimensional viewing system for use with a video cassette recorder
(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 5539424: Thin-film electroluminescence 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) : Electroluminescent : Field emissive (e.g., FED, Spindt, microtip, etc.))
Patent 5539425: Display unit
(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 : Brightness or intensity control : Resistor-diode arrangement)
Patent 5539426: Image display system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Merge or overlay : Image based : Non-overlapping : Plural look up tables)
Patent 5539427: Graphic indexing system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Clipping : Based on model of objects : Testing or using bounding shape (e.g., bounding box sphere) : Plural look up tables)
Patent 5539428: Video font cache
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Character generating : Alteration of stored font : Character generation using control points or hints)
Patent 5539429: Touch device panel
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Having programmable function key)
Patent 5539430: Pipelined read write operations in a high speed frame buffer system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Frame buffer : Unified memory architecture (e.g., UMA))
Patent 5539431: Display controller for a flat display apparatus
(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 : Using look up table : Spatial)
Patent 5539432: Method of and apparatus of converting a set of attributes of display data into code
(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 : Spatial)
Patent 5539433: Recording apparatus having a recording head driven in plural blocks
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Array : Full-line array :)
Patent 5539434: Ink jet recording apparatus and method therefor
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Measuring and testing (e.g., diagnostics) : With particular cooling means)
Patent 5539435: Ink jet recording blade with rounded tip
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Wiping : Movement)
Patent 5539436: Modular carriage assembly for an inkjet printer
(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 5539437: Hybrid thermal/hot melt ink jet print head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : Nozzles)
Patent 5539438: Image forming apparatus having an aperture electrode and low friction toner supplying device
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With electric field ejection (applied to fluid) : Movement)
Patent 5539439: Thermal transfer recording apparatus in which the recording medium and ink sheet can be restrained
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Continuous stream (includes dispersion) : With individual drop generation and/or control : Drop charge means : Plural piezoelectric laminate)
Patent 5539440: Image forming apparatus having colorant holding regions and a colorant repelling region
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Hand-held)
Patent 5539441: Jitter reduction in an overfilled raster output polygon scanner system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Optical elements interposed between record receiver and beam generator : Having feedback or environmental control)
Patent 5539442: Wax transfer type thermal printing method and apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Gradational recording : Sequentially)
Patent 5539443: Printer utilizing temperature evaluation and temperature detection
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Density control : In accordance with temperature of the recording means : Having single layer colored transfer material)
Patent 5539444: Apparatus for recording an image by irradating a plurality of light beams on a recording surface
(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 5539445: Image reading apparatus with document feeding means for feeding a plurality of documents to a planten
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : With record receiver or handling means therefor : Having deflector)
Patent 5539446: Light beam position detection and control apparatus employing diffraction patterns
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : With record receiver or handling means therefor : Having deflector)
Patent 5539447: Optical scanning unit and image forming apparatus using the same with rotating lever attached to a cover for light emission and prevention
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Housing or mounting : Having deflector)
Patent 5539448: Video server that adapts video signals from memory to a format compatible with a communication system in a video-on-demand network
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : USER-REQUESTED VIDEO PROGRAM SYSTEM : Video-on-demand : Server or headend : Control process : Combined at local receiver)
Patent 5539449: Integrated television services system
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH UPSTREAM COMMUNICATION : Telephony via television distribution network : Server or headend)
Patent 5539450: Methods and systems for providing additional service applications in pay television
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : BILLING IN VIDEO DISTRIBUTION SYSTEM :)
Patent 5539451: Method and apparatus for channel spinning off a channel
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH LOCAL INTERACTION : Headend : Teletext)
Patent 5539452: Video telephone system
(TELEVISION : TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE) : Transmission control (e.g., resolution or quality) : Compression or decompression :)
Patent 5539453: Photographic self-portrait installations
(TELEVISION : SPECIAL APPLICATIONS : Human body observation : Physical structure of circuit element)
Patent 5539454: Video event trigger and tracking system using fuzzy comparators
(TELEVISION : OBJECT TRACKING : Infrared)
Patent 5539455: Digital electronic still-video camera and method of controlling same to reduce power consumption during playback
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Exposure control)
Patent 5539456: Video camera and camera system with white balance control
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Color balance (e.g., white balance) : Dependent upon operation or characteristic of iris, flash, lens, or filter) : Monitor (including for controlling camera))
Patent 5539457: Signal processing circuit for solid state image sensor having a structure for suppresing a reset noise
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Using distinct luminance image sensor)
Patent 5539458: TFT-drive image sensor capable of producing an offset-free image signal
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Dark current : For single sensor type camera supplying plural color signals)
Patent 5539459: Optimal tone scale mapping in electronic cameras
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Gray scale transformation (e.g., gamma correction) : Color TV)
Patent 5539460: Image pickup apparatus and drive method which controls exposure by controlling a charge accumulation time
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Electronic shuttering : Frequency separable signals)
Patent 5539461: Solid state image sensor and a driving method thereof
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : X - Y architecture : Including switching transistor and photocell at each pixel site (e.g., "MOS-type" image sensor) : With overflow gate or drain)
Patent 5539462: Camera auto focus system with detector circuits for generating evaluation functions
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Focus control : Using image signal : With dichroic layer or air gap between prism sections)
Patent 5539463: Cassette eject mechanism, battery loading mechanism and mechanical chassis supporting mechanism
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Support or housing : For specified accessory : Periodic shuttering)
Patent 5539464: Apparatus, systems and methods for generating displays from dual source composite data streams
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Multiple channel (e.g., plural carrier) : Data rate reduction)
Patent 5539465: Apparatus, systems and methods for providing multiple video data streams from a single source
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Multiple channel (e.g., plural carrier) : Data rate reduction)
Patent 5539466: Efficient coding apparatus for picture signal and decoding apparatus therefor
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Bidirectional : Subband coding)
Patent 5539467: B-frame processing apparatus including a motion compensation apparatus in the unit of a half pixel for an image decoder
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Bidirectional : Subband coding)
Patent 5539468: Coding device and decoding device adaptive to local characteristics of an image signal
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Transform : Discrete cosine : Half-pixel refinement)
Patent 5539469: Apparatus for determining motion vectors through the use of an adaptive median filtering technique
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Plural : Subband coding)
Patent 5539470: Image processing apparatus
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Format type : Added video information in standard channel format : Including information in sync, blanking, or overscan : Motion adaptive)
Patent 5539471: System and method for inserting and recovering an add-on data signal for transmission with a video signal
(TELEVISION : FORMAT : Including additional information : Pulse code modulation)
Patent 5539472: Waveform analyzer for separating an eight field sequence of a PAL video signal
(TELEVISION : SYNCHRONIZATION : Phase locking regenerated subcarrier to color burst : Burst gate : Dot sequential)
Patent 5539473: Dot clock generation with minimal clock skew
(TELEVISION : SYNCHRONIZATION : Automatic phase or frequency control : Of sampling or clock : Noise inversion)
Patent 5539474: Method and apparatus for shifting a display position of a small-sized picture on a display screen of a television receiver
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : Multimode (e.g., composite, Y, C; baseband RF) : For receiving more than one format at will (e.g., NTSC/PAL) : For format with different aspect ratio : Locking rates)
Patent 5539475: Method of and apparatus for deriving a key signal from a digital video signal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Specified details of key signal generation or processing : Self keyers (e.g., key generated from video being mixed : Different mode during vertical blanking)
Patent 5539476: Color signal processing with luminance signal correction
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Color television signal processing : Luminance channel circuitry : Level derived within feedback path)
Patent 5539477: Video-signal transmitter-receiver and a signal transmission apparatus utilizing the same
(TELEVISION : RECEIVER CIRCUITRY : Power supply : Color television)
Patent 5539478: Video receiver display and three axis remote control
(TELEVISION : RECEIVER CIRCUITRY : Remote control : Tuning voltage)
Patent 5539479: Video receiver display of cursor and menu overlaying video
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : OPERATOR INTERFACE : Insertion of local commercial or local program at headend or network affiliate)
Patent 5539480: Sunglasses incorporating a fluid sunscreen dispenser
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Combined : Neck retainers)
Patent 5539481: Acuity therapy apparatus and method thereof
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Eye exercising or training type : Of abnormal muscular functioning)
Patent 5539482: Glaucoma testing using non-linear systems identification techniques
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Methods of use : Including test chart or target)
Patent 5539483: Panoramic projection apparatus
(OPTICS: IMAGE PROJECTORS : PLURAL : Dissolve type)
Patent 5539484: Camera for use with film-use-state indicating film cartridge
(PHOTOGRAPHY : WITH FILM DRIVE : Having mechanically actuated circuit : Film feed error detection or end of film detection : Having film transport mechanism locked by perforation sensing pawl)
Patent 5539485: Illumination device for providing continuous diffuse light on and off an observing axis
(PHOTOGRAPHY : CAMERA COMBINED WITH OR CONVERTIBLE TO DIVERSE ART DEVICE : With light beam projector for delineating field of view : Having release actuator on support)
Patent 5539486: Camera equipped with data imprinting device
(PHOTOGRAPHY : WITH DATA RECORDING : Optical : Having transfer strip)
Patent 5539487: Method and apparatus for recording stereoscopic images and lenticular recording material used therefor
(PHOTOGRAPHY : PLURAL IMAGE RECORDING : Stereoscopic : Having lenticular screen : Having film feed or guide)
Patent 5539488: Rotary shutter
(PHOTOGRAPHY : CAMERA DETAIL : Shutter : Pivoting or rotating blade type : Rectilinear reciprocation)
Patent 5539489: Single-lens reflex camera
(PHOTOGRAPHY : CAMERA BACK OR FILM CARRIER ANGULARLY ADJUSTABLE : Having wide aspect ratio)
Patent 5539490: Camera finder system and related control method
(PHOTOGRAPHY : FOLDING OR COLLAPSIBLE CAMERA : Hinged linkage between objective mount and housing)
Patent 5539491: Back-driven type autofocus camera
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Lens drive circuit or motor structure : Image correlation type)
Patent 5539492: Camera having the self-timer photographing function
(PHOTOGRAPHY : CAMERA RELEASE CONTROL CIRCUIT : Self-timer : Electro-optical element)
Patent 5539493: Autofocus camera
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having accumulation photoarray and time control means : With mechanical rangefinder)
Patent 5539494: Focus condition detecting device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Processing circuit : Automatic area selection)
Patent 5539495: Camera system
(PHOTOGRAPHY : CONTROL CIRCUIT FOR SEQUENCING AT LEAST THREE FUNCTIONS : Including film processing tank)
Patent 5539496: Camera with vibration detection and correction units with overriding shutter release
(PHOTOGRAPHY : CAMERA SHAKE SENSING : Having stabilization system : And means to move film)
Patent 5539497: Projection exposure apparatus and exposure method
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)
Patent 5539498: Paper receptor material conditioning apparatus and method
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Having temperature or humidity detection : Single detector for plural toners)
Patent 5539499: Image forming apparatus with improved warning indication for plurality of troubles
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : With diverse image formation)
Patent 5539500: Image forming apparatus with humidity controlling device
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Humidity : Photoconductive member)
Patent 5539501: High slope AC charging device having groups of wires
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Corona : Having grid : Toner cartridge)
Patent 5539502: Multi-chamber electro-photographic developing unit for image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Loading : Auxiliary electrode)
Patent 5539503: Magnetic drive for a liquid toner cartridge and the liquid supply system for the cartridge
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Liquid development : Bias voltage)
Patent 5539504: Liquid toner extraction apparatus for electrophotographic equipment
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Liquid development : Application member (e.g., roller, belt) : Opposite polarity)
Patent 5539505: Commutating method for SCD donor roll bias
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Having applied bias : By magnetic brush)
Patent 5539506: Edge raggedness and background removal by post development member
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Having applied bias : Including sample holder)
Patent 5539507: Image forming apparatus having transfer material bearing member
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Color : Cascade)
Patent 5539508: Variable length transfer assist apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Corona : Alignment or tensioning)
Patent 5539509: Sheet transportation system in magnetic-toner xerographic image fixing apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Photoconductive member : To produce outline image)
Patent 5539510: Image forming apparatus having a rotating detection lever operable in vertical and horizontal positions
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : With diverse image formation)
Patent 5539511: Multilevel/duplex image sheet decurling apparatus
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Having handling of removed material)
Patent 5539512: Multi-range media size visual indicator
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Original : Having detection of size : For continuous or fanfold paper)
Patent 5539513: System and associated method for determining and transmitting positional data utilizing optical signals
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having different frequency sources)
Patent 5539514: Foreign particle inspection apparatus and method with front and back illumination
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Surface condition : Detection of object or particle on surface : On patterned or topographical surface (e.g., wafer, mask, circuit board) : Contained)
Patent 5539515: Apparatus and methods for measurement and classification of trash in fiber samples
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Textile inspection : Detection of foreign material (e.g., trash, splinters, contaminants, etc.) : Standard movable)
Patent 5539516: Scanning pulsed profilometer
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : With photocell detection)
Patent 5539517: Method for simultaneously measuring the spectral intensity as a function of wavelength of all the pixels of a two dimensional scene
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Spectroscopy : Imaging : With diffraction grating means)
Patent 5539518: Method for determining and displaying the spacial distribution of a spectral pattern of received light
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Spectroscopy : Having particular linear mirror drive or configuration : With diffraction grating means)
Patent 5539519: Compact, high resolution optical displacement detector
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Displacement or distance : Having wavefront division (e.g., by diffraction) : Having wavefront division (e.g., by diffraction))
Patent 5539520: Interferometer using frequency modulation of the carrier frequency
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having light beams of different frequencies (e.g., heterodyning) : For dimensional measurement (e.g., thickness gap, alignment, profile) : Displacement or distance : Polarization : With specific counter type timing of returns)
Patent 5539521: Method of and apparatus for measuring pattern positions
(OPTICS: MEASURING AND TESTING : SHAPE OR SURFACE CONFIGURATION : With screen)
Patent 5539522: Color copying machine provided with color correcting circuit
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5539523: Image forming device making color corrections on stored image data
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5539524: Image processing apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5539525: Image printing method and non-impact printer wherein a received video signal has a higher resolution than the printer printing head
(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) : Print element property varied to represent gray level :)
Patent 5539526: Image recording apparatus which corrects an image signal according to characteristic data of a recording element
(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) : Error diffusion in gray level or halftone generation : Adaptive error diffusion :)
Patent 5539527: System for non-linear video editing
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Editing : Using static memory or delay means)
Patent 5539528: Intermittent recording method and intermittent recording apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Compressing in recording or decompressing in reproducing : Line, field, or frame skipping : Including television camera)
Patent 5539529: Facsimile communication with selective call receivers
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific image-processing circuitry)
Patent 5539530: Facsimile machine with custom operational parameters
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Electronic mailbox : Composite image)
Patent 5539531: System and method for facsimile data transmission
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Reduced time or bandwidth for static image communication : Condition based selection or control of image coding technique or communication arrangement : Bandwidth or property of a communication medium : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5539532: Image reading apparatus with varied subscanning speed
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Facsimile alarm)
Patent 5539533: Facsimile machine
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Picture size conversion : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5539534: Method of scaling an image capable of line width preservation
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Image editing : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5539535: Portable electronic still camera recording optical images of subjects in a memory which facilitates memory access from an external request
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Facsimile control unit : Picture signal thresholding)
Patent 5539536: Linear imaging sensor having improved charged transfer circuitry
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Solid state : Charge coupled device : Stochastic or random dithering)
Patent 5539537: Facsimile apparatus having a white-line skipping function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Scan rate or document movement variation in accordance with data presence : Charge coupled device)
Patent 5539538: Facsimile machine having a single feeding path for document and recording sheet
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Document feed : Scanning element moves relative to a flat stationary document)
Patent 5539539: Color converting circuit for use in an image forming apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)
Patent 5539540: Method and associated apparatus for transforming input color values in an input color space to output color values in an output color space
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)
Patent 5539541: Image processing apparatus including noise elimination circuits
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : With memory for storage of conversion data)
Patent 5539542: Photorefractive device having an electro-optical material between two photoconductive materials
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium : Recyclable : Sandwich having photoconductor :)
Patent 5539543: Reconfigurable optical interconnections via dynamic computer-generated holograms
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Holograph on curved substrate)
Patent 5539544: Holographic filter for protection from radiation, notably laser radiation
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Holograph on curved substrate)
Patent 5539545: Method of making LCD in which resin columns are cured and the liquid crystal is reoriented
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Microencapsulated or polymer dispersed liquid crystal : With each cell displaying a different pattern)
Patent 5539546: Ferroelectric liquid crystal display device in which partition walls formed on an electrode create differently sized partition areas for
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Microencapsulated or polymer dispersed liquid crystal : With each cell displaying a different pattern)
Patent 5539547: Liquid crystal device with plural polymer network films
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Microencapsulated or polymer dispersed liquid crystal : With each cell displaying a different pattern)
Patent 5539548: Electro-optical device with laminated layers of liquid crystal an light scattering support layers
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Interconnection of plural cells in series : Fluorescent light source)
Patent 5539549: Active matrix substrate having island electrodes for making ohmic contacts with MIM electrodes and pixel electrodes
(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 : Two terminal nonlinear switching device (e.g., N-I-N, S-I-S, Ferroelectric, etc.) : Metal-insulator-metal (i.e., MIM) : With particular gate electrode structure)
Patent 5539550: Liquid crystal display having adhered circuit tiles
(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 5539551: LCD TFT drain and source electrodes having ohmic barrier, primary conductor, and liquid impermeable layers and method of making
(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 5539552: Protective member for display system having 99% UV light blocking ability and improved thermal coefficient of expansion
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Filter : With particular non-zero and non-90 angle between opposite polarization axes)
Patent 5539553: Liquid crystal device with an electrically neutral interface between the liquid crystal and orientation layer
(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 5539554: Integrated electro-optic package for reflective spatial light
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Holder, support, frame, or housing : Matrix including additional element (s) which correct or compensate for electrical fault)
Patent 5539555: High contrast distorted helex effect electro-optic devices and tight ferroelectric pitch ferroelectric liquid crystal compositions useful
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL : Within smectic phase : Nonchiral additive in the liquid crystal material)
Patent 5539556: Light-scattering mode liquid crystal display device, and a process for production thereof, having a transparent insoluble liquid material
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : CELL CONTAINING LIQUID CRYSTAL OF SPECIFIC COMPOSITION : Within nematic phase)
Patent 5539557: Supervisory signal receiving method and apparatus
(OPTICAL COMMUNICATIONS : DIAGNOSTIC TESTING : Determination of communication parameter : Using supervisory signal : Dispersion)
Patent 5539558: System of detecting troubles of an optical communication line
(OPTICAL COMMUNICATIONS : DIAGNOSTIC TESTING : Fault detection : Stop transmission or reduce power)
Patent 5539559: Apparatus and method for photonic contention resolution in a large ATM switch
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Wavelength : Including photonic packet switching :)
Patent 5539560: Optical router with optical control
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Wavelength : Router :)
Patent 5539561: Eyeglass having removable temple/lens connector
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Connectors : With cover or coating)
Patent 5539562: Spatial optical transmission apparatus and method
(OPTICAL COMMUNICATIONS : OPTICAL COMMUNICATION OVER FREEE SPACE : Transmitter and receiver : Including alignment : Feedback control)
Patent 5539563: System and method for simultaneously compensating for chromatic dispersion and self phase modulation in optical fibers
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Including optical waveguide : Dispersion compensation : Using dispersion compensation optical fiber (e.g., DCOF) : Filter)
Patent 5539564: Point-to-multipoint optical transmission system
(OPTICAL COMMUNICATIONS : FAULT RECOVERY : Bypass inoperative element :)
Patent 5539565: Method and apparatus for a selective optical retroreflector
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Retroreflection : Retroreflection)
Patent 5539566: Optical transmission method and apparatus and optical amplification method and apparatus for optical communication system
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Particular pumping type (e.g., electrical, optical, nuclear, magnetic, etc.) : Semiconductor)
Patent 5539567: Photolithographic technique and illuminator using real-time addressable phase shift light shift
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Magneto-optic : Modulation of polarized light via modulating input signal : Within display element)
Patent 5539568: Method of exposing a light sensitive material
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Acousto-optic : Amplitude modulation)
Patent 5539569: Optoelectric articles and a process for producing the same
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Having particular chemical composition or structure : Electro-optic crystal material : Switching)
Patent 5539570: Monitoring state of optical elements in an optical amplifier
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Optical fiber : Feedback : Fault detection : Adjusting input signal power)
Patent 5539571: Differentially pumped optical amplifer and mopa device
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Particular active medium (e.g., crystal, plasma, fluid, etc.) : Semiconductor : Fault detection)
Patent 5539572: Microscope illumination and stereo viewing
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Two or more in a series)
Patent 5539573: Universal folding condenser for microscopes
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Imaging elements movable in and out of optical axis : Variable magnification)
Patent 5539574: Optical isolator with fabry-perot ripple reduction
(OPTICAL: SYSTEMS AND ELEMENTS : POLARIZATION WITHOUT MODULATION : Time invariant electric, magnetic, or electromagnetic field responsive (e.g., electro-optical, magneto-optical) : Supporting, mounting, enclosing or light shielding structure)
Patent 5539575: Image stabilized optical system
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : Emergency or temporary reflectors (i.e., portable self standing))
Patent 5539576: Shiftable lens system
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : By movable refractive structure : Having plural reflecting surfaces)
Patent 5539577: Means to lessen unwanted reflections in an optical device
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Noncircular cross section)
Patent 5539578: Image display apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Superimposing visual information on observer`s field of view (e.g., head-up arrangement, etc.) : Serially disposed along optic axis)
Patent 5539579: Projection lens assembly and projection display apparatus
(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 5539580: Projection optical system for a liquid crystal projector
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With field curvature shaping : Projection type : With additional reflector (e.g., serial reflections, etc.))
Patent 5539581: Zoom lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : To the rear of a basic lens)
Patent 5539582: Zoom lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Three groups : + - - + Arrangement)
Patent 5539583: Lens barrel with rotation amount detecting encoder and asssembling method thereof
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : Having cam device : Condition responsive)
Patent 5539584: Power pack for an automotive exterior mirror assembly
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : With support : Mirror movable relative to support : With rotary to linear motion converting mirror adjustment : With rotation of mirror about perpendicular axes : Sliding barrels)
Patent 5539585: Apparatus for recording an information signal in a normal record mode and an edit mode
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Editing : Audio signal : Interpolation)
Patent 5539586: Method and apparatus for recording digital data on a recording medium by recording ODD-numbered and even-numbered data segments and compressed
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Audio signal : Time compressing : Plurality of audio channels)
Patent 5539587: Digital signal recording apparatus having sampling rate converter
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORDING OR REPRODUCING AN INFORMATION SIGNAL AND A CONTROL SIGNAL FOR CONTROLLING ELECTRONICS OF REPRODUCER : Time division)
Patent 5539588: Magnetic recording/reproducing with added intersymbol interference to obtain a partial-response code
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Head amplifier circuit : Intra-cell transition)
Patent 5539589: Magnetic reproduction device and method for ensuring reproduction of recorded information by a magnetic head of a same azimuth angle as used
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Signal switching : Between heads in alternate engagement with medium :)
Patent 5539590: Floppy disk controller allowed to detect status change of floppy disk driver in standby mode
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Specifics of the amplifier)
Patent 5539591: Integrated, multi-track driven, two device control system
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Locating specific areas :)
Patent 5539592: System and method for monitoring friction between head and disk to predict head disk interaction failure in direct access storage devices
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Stopping or reversing)
Patent 5539593: Cassette loading mechanism having a configuration to protect the head drum
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)
Patent 5539594: Cassette player
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Plural tapes : Tape in container : Drum)
Patent 5539595: Structure and enclosure assembly for a disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Tape in container)
Patent 5539596: Integrated suspension, actuator arm and coil assembly with common structural support layer
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Load beam detail : Nonmetallic beam : Pivot structure detail)
Patent 5539597: Press-fit glueless bearing pivot assembly for a rotary actuator
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For shifting head between tracks : Disk record : Arcuate head movement : Bearing : Mounting detail : Winding detail)
Patent 5539598: Electrostatic protection for a shielded MR sensor
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Electrostatic Discharge (ESD) protection : In horizontal head configuration)
Patent 5539599: Fastener for flexible disk cartridges
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)
Patent 5539600: Write protection for memory diskettes
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)
Patent 5539601: Apparatus and method for thermal protection of electric motors
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Motor protective condition responsive circuits : Voltage responsive)
Patent 5539602: Ground fault interrupter
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Ground fault protection : Transformer with structurally combined protective device)
Patent 5539603: Current protection method and apparatus and current protected low dropout voltage circuits
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Load shunting by fault responsive means (e.g., crowbar circuit) : Voltage responsive : With more than two wires)
Patent 5539604: Transient voltage suppressor apparatus
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Load shunting by fault responsive means (e.g., crowbar circuit) : Voltage responsive : With more than two wires)
Patent 5539605: Digital circuit interrupter undervoltage release accessory
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific voltage responsive fault sensor : Undervoltage : Protection for thyristor)
Patent 5539606: Electronic circuit breaker
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : With time delay protective means : Protection for thyristor)
Patent 5539607: Tank-shape arrester
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Current limiting material in discharge path : With cutout (e.g., blowout type))
Patent 5539608: Electronic interlock for electromagnetic contactor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : Systems for magnetizing, demagnetizing, or controlling the magnetic field : Including particular drive circuit : Magnetic tape)
Patent 5539609: Electrostatic chuck usable in high density plasma
(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 5539610: Floating drive technique for reverse battery protection
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : POLARITY REVERSING : Automatic : Phase comparison)
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