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Patent 5574429: Self-contained, programmable non-position-sensitive vibration detecting alarm system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Alarm on protected article : Specified connector (e.g., phone jack-type plug))
Patent 5574430: Monitoring sensor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Signal-carrying conduit between sensor and article (e.g., cable, power cord, or data link) : Electromagnetic energy)
Patent 5574431: Deactivateable security tag
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Detectable device on protected article (e.g., "tag") : Deactivatable by means other than mere removal : Fence)
Patent 5574432: Apparatus attachable to a shoe for deploying a rescue signal
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))
Patent 5574433: Watch alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Holdup : Specified device housing or attachment means)
Patent 5574434: Alarm for heat multistaged detecting
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular coupling link : Wired : Coded message : Capacitor)
Patent 5574435: Photoelectric type fire detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Particle suspension in fluid : Smoke : Photoelectric : Pivoted arm)
Patent 5574436: Smoke detector including an indicator for indicating a missing primary power source which is powered by a substantially nonremovable secondary
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Electrical characteristic : Voltage : Undervoltage : Including temperature detection)
Patent 5574437: Safety device for a printing machine
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Machine condition : Strand)
Patent 5574438: Method for transferring information, and in particular for performing a logic operation, using electron beams
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having electron beam device : Semiconductor crosspoint)
Patent 5574439: Paging receiver which displays canned and general messages
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Message presentation : Canned message (audible or visual) : News information provider (e.g., sports, weather, etc.))
Patent 5574440: RF switching with remote controllers dedicated to other devices
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Pulse responsive actuation : Printout or display)
Patent 5574441: Mass transit inductive data communication system
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With particular transmitter (e.g., piezoelectric, dynamo) : Inductive transmitter : Pulse duration (e.g., pulse train))
Patent 5574442: Inclination angle sensor
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With particular transmitter (e.g., piezoelectric, dynamo) : Resistive transmitter : Mutual inductance)
Patent 5574443: Vehicle monitoring apparatus with broadly and reliably rearward viewing
(COMMUNICATIONS: ELECTRICAL : EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM : With particular receiver (e.g., ratiometer))
Patent 5574444: Method and apparatus for decoding signals containing encoded information
(CODED DATA GENERATION OR CONVERSION : DIGITAL PATTERN READING TYPE CONVERTER :)
Patent 5574445: Digital absolute position encoders
(CODED DATA GENERATION OR CONVERSION : DIGITAL PATTERN READING TYPE CONVERTER : Having combined (e.g., denominational, combination code) coding pattern : Constant distance code :)
Patent 5574446: Keyboard
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)
Patent 5574447: Method and apparatus for modifying characters entered on a computer keyboard
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)
Patent 5574448: Method and apparatus for encoding data with variable block lengths
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from run length limited codes : Binary to or from ternary)
Patent 5574449: Signal processing with hybrid variable-length and entropy encodidng
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from number of pulses : To or from Huffman codes : With rollover feature (i.e., antidoublestrike))
Patent 5574450: Synchronization adder circuit
(CODED DATA GENERATION OR CONVERSION : PHASE OR TIME OF PHASE CHANGE : Synchro or resolver signal : "N" out of "M" to "X" out of "Y")
Patent 5574451: Digital circuit for the introduction of dither into an analog signal
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Increasing converter resolution (e.g., dithering) : Plural slope analog to digital converter)
Patent 5574452: Single bit bandpass analog-to-digital converter
(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 5574453: Digital audio recording apparatus
(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 5574454: Digital phase-locked loop utilizing a high order sigma-delta modulator
(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 5574455: Digital to analog converter and frequency synthesizer using the converter
(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 5574456: Signal processing method and apparatus therefor
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Intermediate conversion to frequency or number of pulses : With rollover feature (i.e., antidoublestrike))
Patent 5574457: Switched capacitor gain stage
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using charge transfer devices (e.g., charge coupled devices, charge transfer by switched capacitances) : Input signal compared with nonlinear ramp)
Patent 5574458: Automatic RF countermeasures dispensing module controller
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR EW (ELECTRONIC WARFARE) : Chaff)
Patent 5574459: Device for the detection and characterizing of radar pulses
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : AIR TRAFFIC CONTROL : Secondary Surveilance Radar (SSR) or Air Traffic Control Radar Beacon System (ATCRBS) : With defruiting or degarbling : By varying gain or blocking receiver)
Patent 5574460: Manual probe acquisition system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS EXTERNAL DEVICE : Missile or spacecraft guidance : Distance measuring equipment (DME))
Patent 5574461: Radar apparatus for connecting to a gun
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS EXTERNAL DEVICE : Gun (e.g., fire control) : With terrain avoidance or alarm)
Patent 5574462: Proximity detonator
(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 5574463: Obstacle recognition system for a vehicle
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS EXTERNAL DEVICE : Radar mounted on and controls land vehicle : With terrain avoidance or alarm)
Patent 5574464: High-speed switching device for monostatic impulse radar
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : For receiver protection : With video quantizer)
Patent 5574465: Portable Astronomic/meteoric observation system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With pulse shaping)
Patent 5574466: Method for wireless communication system planning
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including antenna orientation : With satellite signal correction)
Patent 5574467: Doppler positioning using non-planar movement of transmitting source and receiving source
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : With transmisson of bearing or position determinative signals : Rotating beacon signal : Decca)
Patent 5574468: Phase-equivalent interferometer arrays
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : Direction-finding receiver only : Having a phase detector : Including a goniometer)
Patent 5574469: Locomotive collision avoidance method and system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : Traffic : Having collision avoidance : Unequal distance between at least three antennas)
Patent 5574470: Radio frequency identification transponder apparatus and method
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Spiral or helical type : Antenna on bracket)
Patent 5574471: Electromagnetic energy shield
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna components : Refracting means and radio wave energy filters (e.g., lenses and polarizers) : Flexible rod actuated)
Patent 5574472: Simplified spacecraft antenna reflector for stowage in confined envelopes
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna components : Reflector or director : Collapsible, foldable or adjustable : Luneberg type)
Patent 5574473: Image display apparatus
(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 5574474: Liquid crystal driving circuit
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Waveform generation : Three or more voltages : Smooth or continuous)
Patent 5574475: Signal driver circuit for liquid crystal displays
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Specific display element control means (e.g., latches, memories, logic) : Particular row or column control (e.g., shift register) : Smooth or continuous)
Patent 5574476: Data processing system and apparatus with graphic event priority levels for storage and retrieval of different graphic event data
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Specific display element control means (e.g., latches, memories, logic) : Particular row or column control (e.g., shift register) : Smooth or continuous)
Patent 5574477: Direct-vision/projection type liquid-crystal display
(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) : Backlight control : Particular row or column control (e.g., shift register))
Patent 5574478: VGA color system for personal computers
(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 5574479: Optical system for determining the roll orientation of a remote unit relative to a base unit
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Including orientation sensors (e.g., infrared, ultrasonic, remotely controlled) : Scaling)
Patent 5574480: Computer pointing device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Optical detector : Photosensor encoder)
Patent 5574481: Detachable folding keyboard device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Trackball)
Patent 5574482: Method for data input on a touch-sensitive screen
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Having programmable function key)
Patent 5574483: Display control unit and display control method thereof
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : For storing condition code, flag or status : Character memory)
Patent 5574484: Level detection for ink cartridges of ink-jet printers
(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 5574485: Ultrasonic liquid wiper for ink jet printhead maintenance
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Vibration : Full-line array)
Patent 5574486: Ink jet print heads and methos for preparing them
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Discharge means : Surface treated : Movement)
Patent 5574487: Substrate with an etched silicon compound film and an ink jet head utilizing the substrate
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Thermal force generators : Resistor specifics : Integrated)
Patent 5574488: Liquid jet head, liquid jet head cartridge, and liquid jet apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Composite ejector : Resistor specifics)
Patent 5574489: Ink cartridge system for ink-jet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : Drop correction)
Patent 5574490: Ink jet hard copy apparatus ink cartridge
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : With integral ejector : Drop sensors)
Patent 5574491: Apparatus spot position control in an output device employing a linear array of light sources
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Synchronization of light with medium : Housing or mounting)
Patent 5574492: Imaging method and semiconductor device manufacturing method using the same
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : By varying dotting density)
Patent 5574493: Vacuum collection system for dye-ablation printing process
(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 5574494: Method for automatically navigating a complex struture at an interactive user station
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : OPERATOR INTERFACE : Insertion of local commercial or local program at headend or network affiliate)
Patent 5574495: Cable television data path error analyzer located at the set-top terminal
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH UPSTREAM COMMUNICATION : Remote testing of cable system : Server or headend)
Patent 5574496: Techniques for minimizing co-channel interference in a received ATV signal
(TELEVISION : PLURAL TRANSMITTER SYSTEM CONSIDERATIONS (E.G., INTERFERENCE REDUCTION) : User positioning (e.g., parallax))
Patent 5574497: Multi-camera closed circuit television system for aircraft
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Aerial viewing : Including line to line comparison)
Patent 5574498: Target tracking system
(TELEVISION : OBJECT TRACKING : Infrared)
Patent 5574499: Integrated circuit for testing a plurality of 1H memories
(TELEVISION : MONITORING, TESTING, OR MEASURING : Setup)
Patent 5574500: Video quality evaluating equipment for reproduced image of video signal subject to digital compression
(TELEVISION : MONITORING, TESTING, OR MEASURING : Setup)
Patent 5574502: Automatic focusing apparatus which adjusts the speed of focusing based on a change in the rate of the focus evaluating value
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Focus control : With zoom position detection or interrelated iris control : With dichroic layer or air gap between prism sections)
Patent 5574503: Adaptive interframe video data compression and start-up techniques
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)
Patent 5574504: Methods and systems for encoding and decoding picture signals and related picture-signal recording media
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Intra/inter selection : Subband coding)
Patent 5574505: Method and apparatus for operating a transport stream encoder to produce a stream of packets carrying data representing a plurality of component
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Associated signal processing : Discrete cosine)
Patent 5574506: Bi-directional television format digital signal converter with improved luminance signal-to-noise ratio
(TELEVISION : FORMAT CONVERSION : Changing number of fields for standard conversion : Frequency change of subcarrier)
Patent 5574507: Circuit and method for compensating for position of main picture
(TELEVISION : SYNCHRONIZATION : Control of picture position : Including demodulator)
Patent 5574508: Vertical panning for interlaced video
(TELEVISION : SYNCHRONIZATION : Control of picture position : Including demodulator)
Patent 5574509: Antenna orientation system for digital TV receiver
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : For display of additional information : Receiver indicator (e.g., on screen display) : Picture in picture)
Patent 5574510: Multi-component video signal mixer
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Rotation)
Patent 5574511: Background replacement for an image
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Foreground/background insertion : Color signal)
Patent 5574512: Motion adaptive video noise reduction system
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : For removal of low amplitude random noise (e.g., variable bandwidth) : Averaging type : Using frame or field delays (e.g., motion adaptive) : Window signal generator (e.g., rectangle))
Patent 5574513: Color selection aperture correction circuit
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Hue control : Fleshtone corrector (e.g., fixed) : Picture responsive (e.g., overload))
Patent 5574514: Audio/video device for a communication system
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Switching : receiver type : Level derived within feedback path)
Patent 5574515: Voltage controlled oscillator circuit and automatic fine tuning circuit for TV
(TELEVISION : RECEIVER CIRCUITRY : Tuning : Color television)
Patent 5574516: Color image display device
(TELEVISION : VIDEO DISPLAY : Color sequential : Tuning voltage)
Patent 5574517: Aid for color vision deficiencies
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With antiglare or shading : For contact lens fitting)
Patent 5574518: System incorporation two different sphero-non-spherical contact lenses for correcting presbytia
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Eye contact type : Multifocal : Spring between lens and strap)
Patent 5574519: Talking photoalbum
(PHOTOGRAPHY : CAMERA COMBINED WITH OR CONVERTIBLE TO DIVERSE ART DEVICE : Adjustable support)
Patent 5574520: Camera changing magnetic recording upon detection of abnormal camera state
(PHOTOGRAPHY : CAMERA SHAKE SENSING : Including film processing tank)
Patent 5574521: Optical film encoding apparatus
(PHOTOGRAPHY : WITH DATA RECORDING : Optical : Having transfer strip)
Patent 5574522: Camera
(PHOTOGRAPHY : WITH FILM DRIVE : Mechanical detail : Rewind)
Patent 5574523: Camera capable of varying size of image plane
(PHOTOGRAPHY : VARIABLE FRAME MASKING : With radio or clock)
Patent 5574524: Single use camera auto wind motor control mechanism
(PHOTOGRAPHY : WITH FILM DRIVE : Mechanical detail : Rewind)
Patent 5574525: Double exposure prevention apparatus
(PHOTOGRAPHY : CAMERA DETAIL : Body structure or housing : Film chamber detail : Having viewing port)
Patent 5574526: Lens barrel
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Lens drive circuit or motor structure : Image correlation type)
Patent 5574527: Multiple use of a sensor in a printing machine
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : With diverse image formation)
Patent 5574528: Camera having inside-illuminating light source
(PHOTOGRAPHY : CAMERA DETAIL : Body structure or housing : Rear door or latch detail : Having electrical contact detail)
Patent 5574529: Method of inspecting a negative film in a photographic processing apparatus
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Photographic medium or cartridge sensing : Photographic medium length, width, area, or amount sensing : Rotary)
Patent 5574530: Device for applying solvent for forming an image
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Fluid application to one side only of photographic medium : Having film support or handling means)
Patent 5574531: Method of and apparatus for lighttight transferring of film
(PHOTOGRAPHY : SELF-DEVELOPING CAMERA : Including means to treat superimposed material : Including pressure means : Roller :)
Patent 5574532: Automatic developing apparatus for silver halide photographic photosensitive material
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having fluid-circulating means : Plural stations)
Patent 5574533: Laboratory system
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Photographic medium processing vessel : Attachment or accessory : Visual photographic medium scanner : Crane type)
Patent 5574534: Apparatus for determining noise factor of optical amplifier
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Correction of deleterious effects : Third harmonic)
Patent 5574535: Auto-focusing device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having pursuit mode : With mechanical rangefinder)
Patent 5574536: Automatic focus adjustment camera
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having accumulation photoarray and time control means : With mechanical rangefinder)
Patent 5574537: Apparatus for controlling light quantity using acousto-optic modulator for selecting 0th-order diffracted beam
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Including shutter, diaphragm, polarizer or filter : Vertical optical path)
Patent 5574538: Method and apparatus for removing image forming substance from image holding member forming processing situation mark
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of cleaning : Temperature control)
Patent 5574539: Toner maintenance subsystem for a printing machine
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : Detection of toner in developing unit : Concentration detection :)
Patent 5574540: Dual use charging devices
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Corona : Having grid : Toner cartridge)
Patent 5574541: Corona dual-use for color image formation
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Corona : Having grid : Toner cartridge)
Patent 5574542: Scanner cover
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Original : Holder : Platen : Having cover : Cyclically (e.g., with movement of copy))
Patent 5574543: Image forming apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : Setting of reference value : On or adjacent to platen)
Patent 5574544: Image forming apparatus having image density gradation correction means
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : Detection of developed image : On or adjacent to platen)
Patent 5574545: Method for transferring toner from developer carrying member to image bearing member using chains of magnetic particles formed on developer
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Having applied bias : Including sample holder)
Patent 5574546: Developing apparatus for an electrophotographic machine
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Sleeve : Having stationary magnet)
Patent 5574547: Liquid electrophotographic reproduction machine employing heated carrier liquid
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Liquid development : Drying (e.g., warming, heating) : Fountain)
Patent 5574548: Method and device for developing with a liquid
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Liquid development : Application member (e.g., roller, belt) : Having applied bias : Optical detector)
Patent 5574549: Container coupling member
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Supplying new toner : Cartridge : Optical detector)
Patent 5574550: Transfer device for image forming machine
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Electrostatic : Roller or belt : Having belt transporting copy)
Patent 5574551: Print media supply apparatus with media parameter detection capability
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Responsive to copy media characteristic : Single detector for plural toners)
Patent 5574552: Self-calibrating precision timing circuit and method for a laser range finder
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having pulse transmission trigger significance : Including a displayed image)
Patent 5574553: Ladar receiver incorporating an optical amplifier and polarization optical mixer
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of CW phase delay : Having specific IF mixing of returns : Including an alternating reference path)
Patent 5574554: Contact lens inspection apparatus and lens mold for use in such apparatus
(OPTICS: MEASURING AND TESTING : LENS OR REFLECTIVE IMAGE FORMER TESTING : With lamp focusing)
Patent 5574555: Lens inspection method and apparatus
(OPTICS: MEASURING AND TESTING : LENS OR REFLECTIVE IMAGE FORMER TESTING : Focal length measuring : Including polarimeters)
Patent 5574556: Stage mechanism in exposure apparatus
(OPTICS: MEASURING AND TESTING : SAMPLE, SPECIMEN, OR STANDARD HOLDER OR SUPPORT (E.G., PLATES OR SLIDES) : Surface standard)
Patent 5574557: Apparatus and method for performing sub-poissonian interference measurements using an intensity-squeezed state
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : With photocell detection)
Patent 5574558: Optical encoding apparatus for measuring displacement of an object using diffraction gratings and twice-diffracted and twice-transmitted light
(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 5574559: Displacement detection apparatus using multiple displacement detection signals formed by a multiple phase combination grating
(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 5574560: Dual-beam interferometer with a phase grating
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Displacement or distance : Contour or profile)
Patent 5574561: Kinematic mounting of optical and optoelectronic elements on silicon waferboard
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With object being compared and light beam moved relative to each other (e.g., scanning))
Patent 5574562: Method and apparatus for evaluation of high temperature superconductors
(OPTICS: MEASURING AND TESTING : FOR LIGHT TRANSMISSION OR ABSORPTION : For flaws or imperfections)
Patent 5574563: Method and apparatus for forming images at different degrees of resolution
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5574564: Reading apparatus for reading a record carrier on which coded pictures have been recorded
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using disc)
Patent 5574565: Data placement on tape for a digital video tape recorder suitable for high speed picture playback
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Tape : Using control signal on the recording medium)
Patent 5574566: Apparatus of digitally recording and reproducing video signals
(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 5574567: System and method for controlling play of multiple versions of the same motion picture stored on an optical disk
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using disc)
Patent 5574568: Video recording and reproducing 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 : Digital compressing : Including television camera)
Patent 5574569: Image signal transmission apparatus for repeatedly reproducing and transmitting a main image and a sub-image using an optical disc
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Digital technique)
Patent 5574570: Video signal recording/reproduction apparatus and method for recording/reproducing two kinds of video signals carrying different
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Audio signal : On a different substrate of the recording medium : Plurality of audio channels)
Patent 5574571: Facsimile machine with diverse communication facilities
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific image-processing circuitry)
Patent 5574572: Video scaling method and device
(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 5574573: Compression method for a standardized image library
(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 5574574: Method of displaying the same information on a plurality of image display apparatuses
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Facsimile control unit : Picture signal thresholding)
Patent 5574575: Facsimile machine
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Picture signal thresholding)
Patent 5574576: Coherent light driven display device
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Fiber optics or optical waveguides : Charge coupled device)
Patent 5574577: Method and apparatus for digitally archiving analog images
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile transparency image scanning : Charge coupled device)
Patent 5574578: Method and apparatus for holding a film transparency in a rotary drum scanner
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Helical scanning pattern : Transparent drum : Stochastic or random dithering)
Patent 5574579: Heads-up and heads-down displays employing holographic stereograms
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : For producing or reconstructing images from multiple holograms (e.g., color, etc.) : Holographic stereogram : Multiple point hologram (e.g., fly-eye lens, etc.))
Patent 5574580: LCD with integral light confinement having a pair of afocal lenslets positioned between liquid crystal cells and color polarizers
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Exposure device for lithography)
Patent 5574581: LCD having hydrophobic resin or urethane oligomer columnar spacers or having orientation film surface tension > columnar spacer surface
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Microencapsulated or polymer dispersed liquid crystal : With particular encapsulating medium : With color formed by different color polarizer or color filter associated with each cell)
Patent 5574582: Active matrix liquid crystal display panel with scanning electrodes acting as capacitor electrode and black matrix
(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 5574583: Liquid crystal display device having a compensation layer and method for fabricating the same
(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) : With particular non-zero angle between compensator optical axis and orientation direction)
Patent 5574584: Wavelength division multiplexing passive optical network with bi-directional optical spectral slicing
(OPTICAL COMMUNICATIONS : MULTIPLEX : Broadcast and distribution system : WDM : Hub or central office : Including subscribers : Bidirectional :)
Patent 5574585: Transmission method and apparatus for an infrared remote control system
(OPTICAL COMMUNICATIONS : REMOTE CONTROL : Cable repeater)
Patent 5574586: Simultaneous optical compression and decompression apparatus
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Time : Including delay :)
Patent 5574587: Process for increasing the interference suppression
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Power)
Patent 5574588: Phase lock loop circuit using optical correlation detection
(OPTICAL COMMUNICATIONS : TRANSMITTER : Including specific optical elements : Including feedback)
Patent 5574589: Self-amplified networks
(OPTICAL COMMUNICATIONS : MULTIPLEX : Wavelength division or frequency division (e.g., Raman, Brillouin, etc.) : Different sources : Including pumping : Filter)
Patent 5574590: Optical amplifying transmitting system
(OPTICAL COMMUNICATIONS : OPTICAL REPEATER SYSTEM : Specific optical waveguide : Modulation conversion)
Patent 5574591: Polygon scanner and production process thereof
(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 5574592: Rotatable polygon mirror
(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) : Including transmissive type moving element : Having moving prism :)
Patent 5574593: Liquid crystal display element and laminated retardation film applied thereto
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Plural modulation cells : Kerr cell)
Patent 5574594: Automated microscope slide marking device
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Stage or slide carrier : With illuminator support)
Patent 5574595: Optical isolator
(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 5574596: Optical circulator
(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 5574597: Light scanner and multi-beam generator using the same
(OPTICAL: SYSTEMS AND ELEMENTS : DIFFRACTION : From grating : Including particular grating characteristic : Including a threaded member)
Patent 5574598: Varifocal lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Fluid : With variable magnification : In a variable media (e.g., gas, elastomer, etc.))
Patent 5574599: Zoom lens and zooming method
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Three groups : + - - + Arrangement)
Patent 5574600: Light assembly having interconnected housing parts and a lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : With clamp or grip : Monocular loupe type)
Patent 5574601: Optical beam expander
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : With successive reflections : Including curved mirror surfaces in series : With concave and convex mirrors in series : Sliding barrels)
Patent 5574602: Processing servo signals concurrently read from plural spaced-apart servo areas for a magnetic tape having serpentine data track scanning
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Elongated web carrier (i.e., tape) : By tracking signal recorded on or immediately beneath surface)
Patent 5574603: Magnetic tape recording and playback device with spring actuated head placement
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head into/out of transducing position : Tape record having linear head retraction movement : Cam type : Partial contact)
Patent 5574604: Inner diameter disk drive head/slider load/unload device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head into/out of transducing position : Disk record : Arcuate track change type : Fixed lifter : Lifter surface detail : Dithering)
Patent 5574605: Antiferromagnetic exchange coupling in magnetoresistive spin valve sensors
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having Giant Magnetoresistive (GMR) or Colossal Magnetoresistive (CMR) sensor formed of multiple thin films : Having one film pinned (e.g., spin valve) : Detail of pinned film or additional film for affecting or biasing the pinned film : Voice coil adjuster)
Patent 5574606: Magnetic head having dust handling tape slide surface
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Record guide : Tape record : Using conductor)
Patent 5574607: Magnetic disk cartridge
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)
Patent 5574608: Brushless motor lock detection apparatus
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Motor protective condition responsive circuits : Voltage responsive)
Patent 5574609: Fail-safe MOS shutdown circuitry
(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 5574610: Electrical isolation device
(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 5574611: Service interruption minimizing system for power distribution line
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Feeder protection in distribution networks : With current responsive fault sensor : With communication between feeder disconnect points : With sequentially inserted impedance)
Patent 5574612: Power connection system for service panel utilizing a quick plug-in electrical receptacle
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : Undervoltage)
Patent 5574613: Lightning arrester having machinery built-in
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Pneumatically operated circuit breaker)
Patent 5574614: Protection plug
(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 5574615: Air spark gap for determining the maximum voltage at a voltage surge suppressor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Vacuum or gas filled space discharge : In communication systems)
Patent 5574616: Degaussing technique
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : Systems for magnetizing, demagnetizing, or controlling the magnetic field : Demagnetizing : Calibration or permanent magnet)
Patent 5574617: Fuel injection valve drive control apparatus
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : Systems for magnetizing, demagnetizing, or controlling the magnetic field : Including particular drive circuit : Including means to establish plural distinct current levels (e.g., high, low) : By separating contacts)
Patent 5574618: ESD protection using SCR clamping
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : DISCHARGING OR PREVENTING ACCUMULATION OF ELECTRIC CHARGE (E.G., STATIC ELECTRICITY) : For relays or solenoids)
Patent 5574619: Apparatus for generating anions in video appliances
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTRIC CHARGE GENERATING OR CONDUCTING MEANS (E.G., CHARGING OF GASES) : By charged gas irradiation)
Patent 5574620: Electrical component resistant to damage by infrared radiation
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Variable : Responsive to external condition : Thermal : Threshold device (neon tube))
Patent 5574621: Integrated circuit capacitor having a conductive trench
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Ceramic, glass, or oxide particles : Ceramic and glass)
Patent 5574622: Power truck
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Distribution or control unit : Portable : Shutter type)
Patent 5574623: Device panel with in-molded applique
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Distribution or control panel board : Having fuse or relay)
Patent 5574624: Ventilation system for arc-resistant switchgear enclosure
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : With cooling means : Tamper resistant)
Patent 5574625: Portable information processing apparatus having multiple rotatable port covers
(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 5574626: Add-on heat sink
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : For relays or solenoids : With magnetic amplifier or saturable reactor : Electromechanical delay means)
Patent 5574627: Apparatus for preventing the formation of condensation on sub-cooled integrated circuit devices
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : For active solid state devices : For integrated circuit : Circuit board mounted : With heat sink or cooling fins)
Patent 5574628: Rigid PCMCIA frame kit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : IC card or card member : Selective connections)
Patent 5574629: Solderless printed wiring devices
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With mounting pad : Capacitor and resistor)
Patent 5574630: Laminated electronic package including a power/ground assembly
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Plural : Plural contiguous boards : Multiple contact pins)
Patent 5574631: Magnetic filter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With means to introduce or eliminate frequency components : In inverter systems : Double-ended type (i.e., push-pull))
Patent 5574632: Power supply comprising a circuit for limiting inrush currents
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With starting arrangement : In rectifier systems)
Patent 5574633: Multi-phase charge sharing method and apparatus
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With voltage multiplication means (i.e., V out > V in) : For inverters)
Patent 5574634: Regulator for pumped voltage generator
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With voltage multiplication means (i.e., V out > V in) : For inverters)
Patent 5574635: AC-DC converter comprising a filtering device
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In chopper converter systems : With discharge control means (e.g., grid))
Patent 5574636: Zero-voltage-transition (ZVT) 3-phase PWM voltage link converters
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In transistor inverter systems : Bridge type : With magnetic control means)
Patent 5574637: Control apparatus for an automated production system workcell
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Plural processors :)
Patent 5574638: Method of optimal scaling of variables in a multivariable predictive controller utilizing range control
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Feed-forward (e.g., predictive) : Combined with feedback : Proportional-Integral-Derivative (P-I-D))
Patent 5574639: System and method for constructing filters for detecting signals whose frequency content varies with time
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Logarithmic/exponential)
Patent 5574640: Case-based scheduling method for creating a schedule
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Design or planning : Resource allocation : Proportional-Integral-Derivative (P-I-D))
Patent 5574641: Apparatus and method for improving the awareness of vehicle drivers
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION :)
Patent 5574642: Track trencher information system and process
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Construction or agricultural-type vehicle (e.g., crane, forklift) : Vehicle equipment position control (e.g., seat, mirror, door, window, headrest, or headlamp))
Patent 5574643: Traction control for a machine with electronic engine and transmission controls
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Antispin, traction control, or drive slip control : Restricting differential operation : Having fuel cutting or ignition timing retarding)
Patent 5574644: Automatic brake control system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Vehicle speed control (e.g., cruise control) : Fail-safe system)
Patent 5574645: Manifold absolute pressure sensor emulator
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : With indicator or control of power plant (e.g., performance) : Internal-combustion engine : Digital or programmed data processor : By transmission shifting control)
Patent 5574646: Gear noise evalutation system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : With indicator or control of power plant (e.g., performance) : Internal-combustion engine : Digital or programmed data processor : Vibration, roughness, knock : Detection of O2 concentration)
Patent 5574647: Apparatus and method for computing wind-sensitive optimum altitude steps in a flight management system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Aeronautical vehicle : Altitude or attitude control or indication : Threshold or reference value : Angle of attack)
Patent 5574648: Airport control/management system using GNSS-based methods and equipment for the control of surface and airborne traffic
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Traffic analysis or control of aircraft : With determination of traffic speed)
Patent 5574649: Position-locating method and apparatus including corrections for elevational changes
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : Great circle route)
Patent 5574650: Method and apparatus for calibrating the gyros of a strapdown inertial navigation system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : Using inertial sensor : Means to improve accuracy of position or location)
Patent 5574651: Method and system for machining muntin sections and seating bars
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Having particular tool or tool operation : Control or detection of a particular condition)
Patent 5574652: Automated control system for machine tool
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Having operator interface feature : Protective or diagnostic feature)
Patent 5574653: Switchboard
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Electrical power generation or distribution system : Flow control (e.g., valve or pump control))
Patent 5574654: Electrical parameter analyzer
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Power parameter : Power logging (e.g., metering) : Including communication means : Hydrocarbon prospecting)
Patent 5574655: Method of allocating logic using general function components
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Programmable integrated circuit (e.g., basic cell, standard cell, macrocell) : PLA, PLD, FPGA, OR MCM)
Patent 5574656: System and method of automatically generating chemical compounds with desired properties
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Chemical process control or monitoring system : Synthesis process : Using Jacobian computation)
Patent 5574657: Electronic rate meter controller and method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Mechanical control system : Flow control (e.g., valve or pump control) : Dispensing management (e.g., spraying) : Movable (e.g., rotatable))
Patent 5574658: Method of designing optimum skeleton and plate structures
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : STRUCTURAL DESIGN :)
Patent 5574659: Dye transfer prints utilizing digital technology
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5574660: Communication method and apparatus
(TELECOMMUNICATIONS : CARRIER WAVE REPEATER OR RELAY SYSTEM (I.E., RETRANSMISSION OF SAME INFORMATION) : Portable or mobile repeater : Space satellite : With plural repeater or relay systems : Based on service quality (e.g., bandwidth, etc.))
Patent 5574661: System and method for inverse discrete cosine transform implementation
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MULTICOMPUTER DATA TRANSFERRING : COMPUTER-TO-COMPUTER DATA MODIFYING : Compressing/decompressing : Congestion avoiding)
Patent 5574662: Disk-based digital video recorder
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MULTICOMPUTER DATA TRANSFERRING : REMOTE DATA ACCESSING : Accessing a remote server :)
Patent 5574663: Method and apparatus for regenerating a dense motion vector field
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MULTICOMPUTER DATA TRANSFERRING : COMPUTER-TO-COMPUTER DATA MODIFYING : Compressing/decompressing : Congestion avoiding)
Patent 5574664: Method for calibrating computer monitors used in the printing and textile industries
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Circuit tuning (e.g., potentiometer, amplifier) : Tare weight adjusted)
Patent 5574665: Receiver apparatus and method for frequency tagging
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Waveform analysis : Frequency : Signal-in-signal determination)
Patent 5574666: Color printing method and apparatus using gamut mapping in Munsell space
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) :)
Patent 5574667: Temperature independent fan-error correction circuit
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Specific application of temperature responsive control system : For heating or cooling : By voltage regulation)
Patent 5574668: Apparatus and method for measuring ball grid arrays
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Orientation or position : By distance and time measurement)
Patent 5574669: Device for measuring foot motion and method
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Speed : By distance and time measurement : Specific mathematical operation performed)
Patent 5574670: Apparatus and method for determining a number of digits leading a particular digit
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Determining number of like-valued leading or trailing bits : Normalization)
Patent 5574671: True/complementer for a half-band filter
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Format conversion : Zero suppression)
Patent 5574672: Combination multiplier/shifter
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Shifting : Normalization)
Patent 5574673: Parallel architecture for generating pseudo-random sequences
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Random number generation : More than two operands)
Patent 5574674: Fourier transform processing for digital filters or other spectral resolution devices
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Transform : Fourier : Equalizer)
Patent 5574675: State-controlled half-parallel array walsh transform
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Transform : Walsh : Butterfly circuit)
Patent 5574676: Integer multiply instructions incorporating a subresult selection option
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Compensation for finite word length : Round off or truncation : Sticky bit)
Patent 5574677: Adaptive non-restoring integer divide apparatus with integrated overflow detect
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Division : Binary : Repeated subtraction : Multiple digit)
Patent 5574678: Continuous time programmable analog block architecture
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL ANALOG CALCULATING COMPUTER : Particular function performed : Arithmetical operation)
Patent 5574679: Memory data protection for a ferroelectric memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Ferroelectric : Same size apertures)
Patent 5574680: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Capacitors : Same size apertures)
Patent 5574681: Method for DRAM sensing current control
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Capacitors : Same size apertures)
Patent 5574682: PC card
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Electrical contacts : Josephson)
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