Patents 5684449 - 5684702

 

 

Patent 5684449: Compatible interface for domestic industrial and professional devices control
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal over power line : Separate diverse device deactivated by timer)

Patent 5684450: Electricity distribution and/or power transmission network and filter for telecommunication over power lines
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal over power line : Modulation technique : With independent manual controller)

Patent 5684451: Communication system and method
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal over power line : Bidirectional (e.g., with transceiver) : Zero crossing)

Patent 5684452: Multi-purposes warning device
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Portable self-contained (e.g., movie usher's signalling flashlight) : Automatic rebalancing)

Patent 5684453: Basketball training apparatus
(GAMES USING TANGIBLE PROJECTILE : PLAYING FIELD OR COURT GAME; GAME ELEMENT OR ACCESSORY THEREFOR OTHER THAN PROJECTOR OR PROJECTILE, PER SE : Practice or training device : For game using apertured or pocketed goal or target (e.g., for hockey, soccer, polo, lacrosse, etc.) : For game using elevated, horizontally disposed goal or target (e.g., for basketball, etc.) : Dummy mounted on support enabling traverse over ground or floor during training (e.g., charging sled, etc.))

Patent 5684454: Anti-vehicle-thief apparatus
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including immobilization : User activated (e.g., car-jacking, etc.) : Off course, route re-search)

Patent 5684455: Driver alert apparatus
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Operation efficiency (e.g., engine performance, driver habits) : Accessory (e.g., speaker, radio face plate, etc.))

Patent 5684456: Tilt-sensor
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Tilt, imbalance, or overload : Accessory (e.g., speaker, radio face plate, etc.))

Patent 5684457: Tamper indication system for combination locks
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Lock : Permutation : Programmable)

Patent 5684458: Microwave sensor with adjustable sampling frequency based on environmental conditions
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Disturbance of electromagnetic waves : Doppler effect : Inertia-type sensor (e.g., mercury or pendulum switch))

Patent 5684459: Curvature-reduction annealing of amorphous metal alloy ribbon
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Detectable device on protected article (e.g., "tag") : Specified connector (e.g., phone jack-type plug))

Patent 5684460: Motion and sound monitor and stimulator
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))

Patent 5684461: Sleep prevention device for a driver of a vehicle
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Sleep : Specified device housing or attachment means)

Patent 5684462: Driver attention alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Drive capability : Specified device housing or attachment means)

Patent 5684463: Electronic refrigeration and air conditioner monitor and alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Thermal : Photoelectric)

Patent 5684464: Process and system for controlling a windshield wiper, particularly for a motor vehicle
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Meteorological condition : Moisture or humidity (e.g., rain) : Bridge circuit)

Patent 5684465: Method and means for supervision of valve units
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Electrical characteristic : Voltage : Electrical socket)

Patent 5684466: Electrical strike system control for subsurface boring equipment
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Electrical characteristic : Voltage : Overvoltage : Including temperature detection)

Patent 5684467: Universal mounting plate for audible-visual alarms
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specified housing : Having specified mounting structure : Inserted battery required for housing closure)

Patent 5684468: Illuminating display device
(COMMUNICATIONS: ELECTRICAL : VISUAL INDICATION : Transparent or translucent indicator with means for blocking light : Having optical device : Including spring)

Patent 5684469: Method of configuring a furniture utility distribution system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Addressing : Designated priority)

Patent 5684470: Control apparatus for powered vehicle door systems
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Pulse responsive actuation : Serial : Radio link : Counting chain)

Patent 5684471: IR remote control transmitter with power saving feature
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Frequency responsive actuation : Wireless link : Radio link)

Patent 5684472: Method and apparatus for remotely accessing meter status information in a meter reading system
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With meter reading : Acoustic or vibratory (e.g., sonic, fluidic, etc.))

Patent 5684473: Measuring apparatus for detecting distance between vehicles and related warning system
(COMMUNICATIONS: ELECTRICAL : EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM : Transmitter in another vehicle (e.g., emergency vehicle) : Relative distence between vehicles (e.g., collision alert) : Follow-up (e.g., circuit rebalanced when upset))

Patent 5684474: Collision avoidance detector
(COMMUNICATIONS: ELECTRICAL : EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM : Transmitter in another vehicle (e.g., emergency vehicle) : Relative distence between vehicles (e.g., collision alert) : Follow-up (e.g., circuit rebalanced when upset))

Patent 5684475: Method for recognizing disruptions in road traffic
(COMMUNICATIONS: ELECTRICAL : VEHICLE DETECTORS : Density : Electromechanical movable auxiliary indicator)

Patent 5684476: Field navigation system
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : Rudder position indicator)

Patent 5684477: Electronic systems interfacing
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)

Patent 5684478: Method and apparatus for adaptive data compression
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Adaptive coding : Pressure sensitive actuation)

Patent 5684479: Communication device performing code conversion between binary data and serial data
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from "N" out of "M" codes : Binary to Gray)

Patent 5684480: Wide dynamic range analog to digital conversion
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Nonlinear : Automatic control for increasing converter range (e.g., gain ranging, automatic gain control) : With rollover feature (i.e., antidoublestrike))

Patent 5684481: Rail-to-rail DAC drive circuit
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Nonlinear : Automatic control for increasing converter range (e.g., gain ranging, automatic gain control) : With rollover feature (i.e., antidoublestrike))

Patent 5684482: Spectral shaping of circuit errors in digital-to-analog converters
(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 5684483: Floating point digital to analog converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Using ladder network : With rollover feature (i.e., antidoublestrike))

Patent 5684484: Method and apparatus for multi-channel digital reception and apparatus of ultrasonic diagnosis
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using ladder network)

Patent 5684485: Multi-comparison analog-to-digital converters using the interpolation principle
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Parallel type :)

Patent 5684486: Flash A/D converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Parallel type :)

Patent 5684487: A/D converter with charge-redistribution DAC and split summation of main and correcting DAC outputs
(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 5684488: Rearview mirror mounted detection signal sensor system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR EW (ELECTRONIC WARFARE) : Detection of surveilance : Radar reacts to jamming)

Patent 5684489: Position-finding apparatus for locating a vehicle travelling along means for propagating electromagnetic waves
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : TRANSMISSION THROUGH MEDIA OTHER THAN AIR OR FREE SPACE : Detection of surveilance)

Patent 5684490: Highway vehicle guidance system
(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 5684491: High gain antenna systems for cellular use
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a switch : Controlled)

Patent 5684492: Antenna device having a band pass filter
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)

Patent 5684493: Support base for submarine antenna mast
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Waterborne (e.g., buoyant or with watercraft) : Aircraft part of active antenna or vice versa)

Patent 5684494: Reflector antenna, especially for a communications satellite
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Wave guide type (e.g., horn) : With external reflector or director : Plural reflectors :)

Patent 5684495: Microwave transition using dielectric waveguides
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Wave guide type (e.g., horn) : Dielectric type (e.g., polystyrene rod) : With main and subreflector (Casse-grain type))

Patent 5684496: Device for substituting an artificial image shown to an aircraft pilot by the corresponding real image
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Three-dimensional arrays)

Patent 5684497: Twice folded compound magnified virtual image electronic display
(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 5684498: Field sequential color head mounted display with suppressed color break-up
(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 5684499: Method of driving plasma display panel having improved operational margin
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Fluid light emitter (e.g., gas, liquid, or plasma) : Having endless belt or tape reader)

Patent 5684500: Multiplexed control active matrix display screen
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Control means at each display element : Thin film tansistor (TFT) : Smooth or continuous)

Patent 5684501: Active matrix display device and method of driving such
(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 : Redundancy (e.g., plural control elements or electrodes))

Patent 5684502: Driving apparatus for 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) : Waveform generation : Three or more voltages : Smooth or continuous)

Patent 5684503: Method of driving a liquid crystal 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) : Light-controlling display elements : Liquid crystal display elements (LCD) : Waveform generation : Ferroelectric liquid crystal elements : Smooth or continuous)

Patent 5684504: 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) : Light-controlling display elements : Liquid crystal display elements (LCD) : Waveform generation : Ferroelectric liquid crystal elements : Smooth or continuous)

Patent 5684505: Display device integrated with an input 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) : Light-controlling display elements : Liquid crystal display elements (LCD) : Input/output liquid crystal display panel : Particular row or column control (e.g., shift register))

Patent 5684506: Digital recorder apparatus with graphical display representation and method
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Menu or selectable iconic array (e.g., palette) : Selectable iconic array : With specific input device)

Patent 5684507: Method of displaying continuously acquired data on a fixed length display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graph generating : Real-time waveform display : Image based (addressing))

Patent 5684508: Method of displaying continuously acquired data as multiple traces on a fixed length display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graph generating : Real-time waveform display : Image based (addressing))

Patent 5684509: Method and apparatus for processing image
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Anti-aliasing or image smoothing : Convolving technique : Change in number of bits for a designated color (e.g., 4 bits to 8 bits, 8 bits to 4 bits))

Patent 5684510: Method of font rendering employing grayscale processing of grid fitted fonts
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Shape generating : Straight line : Image based (addressing))

Patent 5684511: Consumer apparatus provided with a programming system by means of a form-filling type display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Temporal interpolation or processing)

Patent 5684512: Ergonomic apparatus for controlling video or computer equipment
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Joystick : Scaling)

Patent 5684513: Electronic luminescence keyboard system for a portable device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Trackball)

Patent 5684514: Apparatus and method for assembling content addressable video
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Frame buffer : Memory for storing video data : Data transfer between system memory display memory)

Patent 5684515: Method for placing indicia on substrates having an enamel band thereon
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Combined :)

Patent 5684516: Print station in an ink jet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of spacing between fluid ejector and receiving medium : Fluid content (e.g., moisture or solvent content, ink refilling, liquid level))

Patent 5684517: Method of dot printing and corresponding ink jet print head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : Color type : Movement)

Patent 5684518: Interconnect scheme for mounting differently configured printheads on the same carriage
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Electrical connector means : Nozzles)

Patent 5684519: Ink jet head with buckling structure body
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : Nozzles)

Patent 5684520: Ink jet recording head in which an actuator is offset from a center of an effective displacement region of a vibration plate
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With piezoelectric force ejection : With vibratory plate : Flow path)

Patent 5684521: Compact fluid coupler for thermal inkjet print cartridge ink reservoir
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : With integral ejector : Drop sensors)

Patent 5684522: Method of recording information on ferroelectric material using polarization
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Specific electrostatic head : Signal switching : Lens)

Patent 5684523: Optical line printhead and an LED chip used therefor
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Driving circuitry : Housing or mounting)

Patent 5684524: Write start position detecting device for light beam scanning device
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : Having lens : Including deflector : For detecting color)

Patent 5684525: Merging multi-source information in a television system
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : OPERATOR INTERFACE : To facilitate tuning or selection of video signal : Electronic program guide : Combined from plural information providers (e.g., combined terrestrial and satellite sources) : User customization of display content)

Patent 5684526: System and method for responding to two-way broadcast programs
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH UPSTREAM COMMUNICATION : Receiver (e.g., set-top box) : Power signal over network)

Patent 5684527: Adaptively controlled multipoint videoconferencing system
(TELEVISION : TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE) : Conferencing (e.g., loop) : Conferencing with multipoint control unit :)

Patent 5684528: Camera controlling apparatus for television conference system
(TELEVISION : TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE) : Conferencing (e.g., loop) : Motion image conferencing :)

Patent 5684529: Stereoscopio display using movement direction detection
(TELEVISION : STEREOSCOPIC : Signal formatting : Hue expander)

Patent 5684530: Continuous diffuse illumination method and apparatus
(TELEVISION : SPECIAL APPLICATIONS : Flaw detector : With specific illumination detail : With stored representation of reference object)

Patent 5684531: Ranging apparatus and method implementing stereo vision system
(TELEVISION : SPECIAL APPLICATIONS : Object or scene measurement : Multiple cameras on baseline (e.g., range finder, etc.) : Including line to line comparison)

Patent 5684532: Video camera with improved zoom capability
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Zoom : Detachable)

Patent 5684533: Color video camera capable of improving gradation of dark signal level
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Gray scale transformation (e.g., gamma correction) : Color TV)

Patent 5684534: Task-splitting dual-processor system for motion estimation processing
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Specific decompression process : Discrete cosine)

Patent 5684536: Orthogonal transform coding apparatus and decoding apparatus
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Transform : Discrete cosine : Half-pixel refinement)

Patent 5684537: Method of calculating discrete cosine transform at high speed
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Transform : Discrete cosine : Half-pixel refinement)

Patent 5684538: System and method for performing video coding/decoding using motion compensation
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Half-pixel refinement :)

Patent 5684539: Method and apparatus for processing encoded video data to reduce the amount of data used to represent a video image
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Block coding : Discrete cosine)

Patent 5684540: Video signal decoding apparatus for use with varying helper signal levels
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Format type : Added video information in standard channel format : Using two or more frames)

Patent 5684541: Transmitter station for transmitting a plurality of television programs, and receiver for receiving the programs
(TELEVISION : NONPICTORIAL DATA PACKET IN TELEVISION FORMAT : Changing number of fields for standard conversion)

Patent 5684542: Video subtitle processing system
(TELEVISION : NONPICTORIAL DATA PACKET IN TELEVISION FORMAT : Including teletext decoder or display : Frequency change of subcarrier)

Patent 5684543: Input and output signal converter with small-sized connection crosspoint
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Switching : Composite color signal)

Patent 5684544: Apparatus and method for upsampling chroma pixels
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Color television signal processing : receiver type)

Patent 5684545: Adaptive optics wave measurement and correction system
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM :)

Patent 5684546: Electrostatic discharge protective circuit in a liquid crystal display
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With antistatic elements : In active matrix with separate dedicated capacitor line)

Patent 5684547: Liquid crystal display panel and method for fabricating the same
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : Matrix including additional element (s) which correct or compensate for electrical fault : Two terminal nonlinear switching device (e.g., N-I-N, S-I-S, Ferroelectric, etc.))

Patent 5684548: Liquid crystal display element and micro-lens arrangement and a display using the same
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Lens or prism separate from projection system (i.e., it is not integral part of illumination system) : Matrix including additional element (s) which correct or compensate for electrical fault)

Patent 5684549: Display device with electro-optic cell especially for an automotive dashboard
(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 5684550: Liquid crystal display device having a diffuser integrally formed with a prism plate
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Particular illumination : With integral optical element for guiding or distributing light from the light source : Laser links)

Patent 5684551: Reflective type liquid crystal display device with phase compensator and reflector with undulating surface
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Polarizer : With particular non-zero angle between polarization axis and orientation direction : Formed with particular alignment technique)

Patent 5684552: Color liquid crystal display having a color filter composed of multilayer thin films
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Filter : Color filter : For supertwisted nematic liquid crystal)

Patent 5684553: Method for manufacturing color filter and multiple color liquid crystal display devices
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Filter : Opaque mask or black mask : With unequal areas for different colors or with fractional shift between one line of colors and the next)

Patent 5684554: Liquid crystal display
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Reflector : Opaque mask or black mask)

Patent 5684555: Liquid crystal display panel
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Electrode or bus detail (i.e., excluding supplemental capacitor and transistor electrodes) : Having connection detail to external circuit : Resistance reducing electrodes)

Patent 5684556: Process for producing liquid crystal device
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Substrate : Plural types in single liquid crystal cell)

Patent 5684557: Apparatus for minimizing and discharging electrostatic charges on a surface of an LCD panel or electronic part
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : NOMINAL MANUFACTURING METHODS OR POST MANUFACTURING PROCESSING OF LIQUID CRYSTAL CELL : In nematic phase)

Patent 5684558: Semi-rimless spectacles
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Brace arm or semi-rimless mounting : Screwless lens mounting : Screwless lens mounting)

Patent 5684559: Lens positioning device for spectacles
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Rimless mounting : Brace arm extends along edge of lens)

Patent 5684560: Concentric ring single vision lens designs
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Eye contact type : With clamping arms)

Patent 5684561: Device and method for evaluation of refraction of the eye
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including eye movement detection : Having means to detect proper distance or alignment (i.e., eye to instrument))

Patent 5684562: Ophthalmic apparatus
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including projected target image : For cornea curvature measurement :)

Patent 5684563: Creating an image as perceived by a person with color-deficient vision
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Multicolor picture : And film severing)

Patent 5684564: Film handling apparatus for a multipass photographic film scanner and printer
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Regulating light intensity or exposure time)

Patent 5684565: Pattern detecting method, pattern detecting apparatus, projection exposing apparatus using the same and exposure system
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)

Patent 5684566: Illumination system and method employing a deformable mirror and diffractive optical elements
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Reflector between original and photo-sensitive paper)

Patent 5684567: Exposure apparatus and device manufacturing method for projecting light from a secondary light source onto a mask or pattern
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Reflector between original and photo-sensitive paper)

Patent 5684568: Image printer
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Including photocell or phototube : Vertical optical path)

Patent 5684569: Position detecting apparatus and projection exposure apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Including shutter, diaphragm, polarizer or filter : Vertical optical path)

Patent 5684570: Method and apparatus for manipulation of large format media supply cassettes
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for photosensitive paper : Including shutter, diaphragm, polarizer or filter)

Patent 5684571: Apparatus for and method of exposing photosensitized plates
(PHOTOCOPYING : CONTACT PRINTING : Machine (i.e., having at least partly automatic feed) : With flat exposure station structure : Fluid pressure)

Patent 5684572: Method for determining the velocity of a flow
(OPTICS: MEASURING AND TESTING : VELOCITY OR VELOCITY/HEIGHT MEASURING : With light detector (e.g., photocell) : Of light interference (e.g., interferometer) : With displaced images)

Patent 5684573: Device and method for measuring a three-dimensional surface structure
(OPTICS: MEASURING AND TESTING : WITH SAMPLE PREPARATION : By light interference detector (e.g., interferometer))

Patent 5684574: In-process film thickness monitoring system
(OPTICS: MEASURING AND TESTING : WITH PLURAL DIVERSE TEST OR ART : Lamp attachments)

Patent 5684575: Optical arrangement for flow cytometer to facilitate large angle light-scattering measurement
(OPTICS: MEASURING AND TESTING : PLURAL TEST : Lamp attachments)

Patent 5684576: Lens meter
(OPTICS: MEASURING AND TESTING : LENS OR REFLECTIVE IMAGE FORMER TESTING : With lamp focusing)

Patent 5684577: Satellite terminal warning system
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Star/Sun/Satellite position indication with photodetection : Plural prisms)

Patent 5684578: Laser alignment head for use in shaft alignment
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Apex of angle at observing or detecting station : With photodetection : With unidirectional or planar source beam directed at the photodetecting station : Of transmission (e.g., lens))

Patent 5684579: Automatic tilt angle compensator
(OPTICS: MEASURING AND TESTING : FIDUCIAL INSTRUMENTS : Artificial reference : Liquid surface (e.g., bubble level) : On patterned or topographical surface (e.g., wafer, mask, circuit board))

Patent 5684580: Hydrocarbon analysis and control by raman spectroscopy
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With Raman type light scattering : With particular illumination means)

Patent 5684581: Torch for inductively coupled plasma spectrometry
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With sample excitation (e.g., burning) : By high frequency field (e.g., plasma discharge) : Including sputtering)

Patent 5684582: Spectrophotometry
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrometer : Having diffraction grating means : Prior to testing)

Patent 5684583: Apparatus for detecting foreign matter in a fluid
(OPTICS: MEASURING AND TESTING : FOR SIZE OF PARTICLES : With monochromator structure)

Patent 5684584: Apparatus for analyzing cells in urine
(OPTICS: MEASURING AND TESTING : FOR SIZE OF PARTICLES : By particle light scattering : Having adjustable color or bandwidth)

Patent 5684585: Optical particle counter employing a field-calibrator
(OPTICS: MEASURING AND TESTING : FOR SIZE OF PARTICLES : By particle light scattering : Having adjustable color or bandwidth)

Patent 5684586: Apparatus for characterizing short optical pulses
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : With photocell detection)

Patent 5684587: Device and process for interferometric sizing of particles using spatial filtering of scattered radiation
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : For dimensional measurement)

Patent 5684588: Homodyne and hetrodyne imaging in a light scattering medium
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Holography : For optical configuration : With diffraction grating means)

Patent 5684589: Loop controller for fiber optic gyro with distributed data processing
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : By fiber or waveguide interferometer (e.g., Sagnac effect) : Having null feedback loop : Including an alternating reference path)

Patent 5684590: Fiber optic gyroscope source wavelength control
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : By fiber or waveguide interferometer (e.g., Sagnac effect) : With diffraction grating means)

Patent 5684591: Fiber optic gyroscope with reduced non-linearity at low angular rates
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : By fiber or waveguide interferometer (e.g., Sagnac effect) : Having null feedback loop : Including an alternating reference path)

Patent 5684592: System and method for detecting ultrasound using time-delay interferometry
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having polarization : For dimensional measurement : Displacement or distance : Polarization)

Patent 5684593: Easy to align interferometric reference reflectors
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : For orientation or alignment : Between slider/disc (e.g., flying height))

Patent 5684594: Object fixturing in interferometer
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having wavefront division (by diffraction) : Having Schlieren effect)

Patent 5684595: Alignment apparatus and exposure apparatus equipped therewith
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With registration indicia (e.g., scale) : For comparison with master or desired configuration)

Patent 5684596: Method and apparatus for measuring axial and torsional loads on a valve stem
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Silhouette)

Patent 5684597: Method and device for coin diameter discrimination
(OPTICS: MEASURING AND TESTING : DIMENSION : Width or diameter : Of light permeable material)

Patent 5684598: Process for monitoring a moving yarn sheet and apparatus for the execution of this process
(OPTICS: MEASURING AND TESTING : BY MONITORING OF WEBS OR THREAD : For flaws or imperfections : Drum or endless tape)

Patent 5684599: Wafer notch dimension measuring apparatus
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With light detector (e.g., photocell) : For comparison with master or desired configuration)

Patent 5684600: Image processor for smoothing and differentiating periodic areas and character areas using coefficients
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Adaptive image reproduction : Look-up table for image processing or print attribute data (e.g., threshold value, print element property))

Patent 5684601: Image reading apparatus which varies a number of reading operations according to image density
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile transparency image scanning : Charge coupled device)

Patent 5684602: Facsimile apparatus with coding/decoding interrupt
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile memory monitoring : Composite image)

Patent 5684603: Coding apparatus for bi-level images halftoned with error diffusion algorithm
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Quantization : Error diffusion or dispersion : With a multilevel classifier)

Patent 5684604: Image transmission method and apparatus therefor
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Coding for digital facsimile equipment (e.g., Group 3 or 4))

Patent 5684605: Facsimile apparatus having a file transfer function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Transmitter and receiver both supply auxiliary signal(s) : Coded image communication rate)

Patent 5684606: Data communication apparatus which processes first and second communication data based on a determined relationship between the first
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Interruption detection and control : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5684607: Facsimile apparatus using a small computer system interface
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile system interface : Facsimile alarm)

Patent 5684608: Cordless communication facsimile system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile system interface : Facsimile alarm)

Patent 5684609: D.C. offset restoration for image scanners
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Solid state : Including a polygon reflector)

Patent 5684610: Method and apparatus for rapid scanning of color images
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Document feed : Scanning element moves relative to a flat stationary document)

Patent 5684611: Photorefractive systems and methods
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium : Recyclable : Crystalline material :)

Patent 5684612: Method and system for maintaining and controlling the signal-to-noise ratio of hologams recorded in ferroelectric photorefractive materials
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium : Recyclable : Crystalline material :)

Patent 5684613: LCD with stripe-shaped insulating projections covering gap entirely between stripe-shaped electrodes
(OPTICAL COMMUNICATIONS : MULTIPLEX : Wavelength division or frequency division (e.g., Raman, Brillouin, etc.) : Dispersion compensation : Bus)

Patent 5684614: Optical space communication apparatus
(OPTICAL COMMUNICATIONS : OPTICAL COMMUNICATION OVER FREEE SPACE : Transmitter and receiver : Including alignment : Feedback control)

Patent 5684615: Optical system
(OPTICAL COMMUNICATIONS : OPTICAL REPEATER SYSTEM : Specific optical waveguide : Soliton : Using optical phase conjugation)

Patent 5684616: Moving mirror apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Particular mount or driver for element : Sequential frames on moving film)

Patent 5684617: Device for treating substrates, in particular for perforating paper
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Having particular focusing element to receive scanned light : Having a common axis of rotation)

Patent 5684618: Image forming mirror for equal speed optical scan and optical scanner
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Having particular focusing element to receive scanned light : Concave reflector :)

Patent 5684619: Ruthenium oxide counterelectrode for electrochromic devices
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Electrochromic : Reflection-type (e.g., display device) : Particular electrochromic layer structure :)

Patent 5684620: High resolution imaging system and method of imaging using the same
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) : By changing physical characteristics (e.g., shape, size or contours) of an optical element)

Patent 5684621: Method and system for three-dimensional display of information based on two-photon upconversion
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Having particular chemical composition or structure)

Patent 5684622: Process for the production of self-organized, transparent, organic polymer structures for optical frequency conversion
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Having particular chemical composition or structure)

Patent 5684623: Narrow-band tunable optical source
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Particular resonator cavity (e.g., scanning, confocal or folded mirrors, etc.) : Semiconductor)

Patent 5684624: Lens change-over device with centerable reception rings
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : With rotatable adjustment : Focus adjustment)

Patent 5684625: Illumination device for microscopes
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Illuminator : Focus adjustment)

Patent 5684626: Center masking illumination system and method
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Illuminator : With optical switching means : Binocular)

Patent 5684627: Microscope with a multi-functional adjustment knob
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Illuminator : With optical switching means : Binocular)

Patent 5684628: Orthogonal motion microscope stage
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Stage or slide carrier : With illuminator support)

Patent 5684629: Optical system for endoscope
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : With relay : Repetitious lens structure : Equatorial mount)

Patent 5684630: Polarization converter
(OPTICAL: SYSTEMS AND ELEMENTS : POLARIZATION WITHOUT MODULATION : Light polarization without any external input : By reflection or refraction (e.g., Brewster angle) : Pictures offset, transposed or have respective right or left sides adjacent)

Patent 5684631: Optical modulator/switch including reflective zone plate and related method of use
(OPTICAL: SYSTEMS AND ELEMENTS : DIFFRACTION : From zone plate : With photographic media)

Patent 5684632: Variable wavelength optical filter
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT INTERFERENCE : Electrically or mechanically variable (e.g., tunable, adjustable) : Including particular grating characteristic)

Patent 5684633: Polymeric reflective materials utilizing a back light source
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT INTERFERENCE : Produced by coating or lamina : Layers having specified index of refraction : Filter having four or more layers : With single transparent coating between spheres and atmosphere)

Patent 5684634: Head-up displays
(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 5684635: Eyepiece lens of wide visual field
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Eyepiece : Including prismatic element)

Patent 5684636: Polymer-optical liquid matrix for use as a lens element
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Fluid : Having less than four components)

Patent 5684637: Fluid filled and pressurized lens with flexible optical boundary having variable focal length
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Fluid : With variable magnification : In a variable media (e.g., gas, elastomer, etc.))

Patent 5684638: Two-unit zoom lens system having high zoom ratio
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Two groups : + - Arrangement : Having crossed axes)

Patent 5684639: Zoom lens capable of focusing on close range
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : With macro-type focusing : + - Arrangement)

Patent 5684640: Camera with vibration compensation device having anti-vibration lens urging mechanism and feed screw mechanism
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : With macro-type focusing)

Patent 5684641: Objective lens and optical head apparatus using the objective lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Including a nonspherical surface : Having one component : Objective for laser (e.g., optical disc, etc.) : With specific ring means)

Patent 5684642: Optical transmission system and light radiating method
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With light limiting or controlling means : Diaphragm : Between lens components : With concave and convex reflectors in series)

Patent 5684643: Fast wide-angle lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Reverse telephoto : With seven components : Having curvilinear lens)

Patent 5684644: Variable-length line projecting optics
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With axial adjustment (e.g., adjustable focus, etc.) : With multiple element component)

Patent 5684645: Lens moving apparatus preventing resonance without using yoke bridge and counterweight
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With axial adjustment (e.g., adjustable focus, etc.) : Electromagnetic or piezoelectric drive : Having a biconvex single element component)

Patent 5684646: Exterior mirror with single pivot power fold
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Retractable vehicle mirror : Plural reflecting surfaces)

Patent 5684647: Automatic mirror positioning system for truck-trailers and the like
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Automatically adjustable in response to vehicle position, control, or indicator : Plural reflecting surfaces)

Patent 5684648: Digital signal recording apparatus with means for detecting an ID signal and controlling the number of signal samples
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Frequency)

Patent 5684649: Recording/reproducing apparatus with read-after-write capability
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Signal switching : Between heads in alternate engagement with medium :)

Patent 5684650: Digital servo control system for use in disk drives
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Rotary carrier : Reproduced data signal used for tracking : By signal derived from transport)

Patent 5684651: Magnetic disk system having servo signal detecting function depending on recording density of servo data
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Rotary carrier : By tracking signal recorded on or immediately beneath surface : Distinct servo sector : From separate track)

Patent 5684652: Rotary magnetic head device using plural magnets and coils to position plural magnetic heads
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Elongated web carrier (i.e., tape) : Transverse scan path : Having head deflection drive (e.g., piezoelectric bimorph) : Plural pilot signals along single transverse path)

Patent 5684653: Method and apparatus for minimizing seek time in a disk drive by increasing power amplifier power based on power amplifier voltage head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track changing : For rotary carrier (e.g., disc) : Plural tapes)

Patent 5684654: Device and method for storing and retrieving data
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Plural tapes : Tape in container : Drum)

Patent 5684655: Loading unit, for data writing and/or reading device, having improved reliability in loading/ejecting operation and having function enabling
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Tape in container)

Patent 5684656: Head drum for a recording/reproduction device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head during transducing : Tape record having rotary head : Signal transfer to/from head : Plural transformers : Hydrodynamic)

Patent 5684657: Linear guide arrangement, device comprising a linear guide arrangement and a head for reading and/or writing information from/on a medium, and
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For adjusting head position : Tape record : Signal transfer to/from head)

Patent 5684658: High track density dual stripe magnetoresistive (DSMR) head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having multiple interconnected single film MR sensors (e.g., dual magnetoresistive sensor) : Plural actuators)

Patent 5684659: Magnetic head with coil formed by thin film
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : For cross-talk prevention)

Patent 5684660: Thin film coil head assembly with protective planarizing cocoon structure
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)

Patent 5684661: Magnetic head assembly and method for reading and/or writing data onto a thin magnetic layer placed on a photographic element
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Pressure element : Tape record : Rotating head)

Patent 5684662: Driving apparatus for stabilizing operation of an extensible-retractable power antenna
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Motor protective condition responsive circuits : With time delay : With thermistor sensor)

Patent 5684663: Protection element and method for protecting a circuit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Circuit interruption by thermal sensing : With thermistor : With transistor circuit interrupter)

Patent 5684664: Method for the production of an insulator
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Pneumatically operated circuit breaker)

Patent 5684665: Modular electrical assembly with conductive strips
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Pneumatically operated circuit breaker)

Patent 5684666: Photoelectric switch
(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 5684667: Full failure protector module
(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 5684668: Magnetic contactor having phase angle adjuster
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : For relays or solenoids : Condition responsive (e.g., external circuit condition) : Phase : Specific frequency responsive relay)

Patent 5684669: Method for dechucking a workpiece from an electrostatic chuck
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTRIC CHARGE GENERATING OR CONDUCTING MEANS (E.G., CHARGING OF GASES) : Use of forces of electric charge or field : Pinning : Liquid type)

Patent 5684670: Control switch or signaling unit control panel mounting arrangement
(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 5684671: Packaging architecture for a data server
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)

Patent 5684672: Laptop computer with an integrated multi-mode antenna
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)

Patent 5684673: Electronic system having a portable electronic apparatus and an extention unit for extending functions of the portable electronic
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Input/output device support : Disk drive support)

Patent 5684674: Circuit board mounting brackets with convective air flow apertures
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : Air : With air circulating means : Fan or blower : With stabilizer or modifying substance)

Patent 5684675: Semiconductor device unit having holder
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : With cooling fins)

Patent 5684676: Clip for securing heat dissipator to computer central processing unit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : With cooling fins)

Patent 5684677: Electronic circuit device
(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 : Having spacer : Circuit board mounted)

Patent 5684678: Resonant converter with controlled inductor
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Bridge type : Including plural anode/single cathode device)

Patent 5684679: Switching mode power supply capable of reducing the response time thereof
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, separately-driven type : With automatic control of the magnitude of output voltage or current :)

Patent 5684680: Extended range switch mode power supply
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Double-ended (i.e., push-pull), separately-driven type : With automatic control of the magnitude of output voltage or current : Utilizing pulse-width modulation : Utilizing pulse-width modulation)

Patent 5684681: Drive circiut of switching element for switching mode power supply device
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Double-ended (i.e., push-pull), separately-driven type : With automatic control of the magnitude of output voltage or current : Utilizing pulse-width modulation : Utilizing pulse-width modulation)

Patent 5684682: Method and apparatus for selectable DC to DC conversion
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With voltage multiplication means (i.e., V out > V in) : For inverters)

Patent 5684683: DC-to-DC power conversion with high current output
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Having plural converters for single conversion : Including semiconductor means)

Patent 5684684: DC or capacitively coupled bi-directional sync
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Having plural converters for single conversion : Plural inverters : In parallel)

Patent 5684685: High voltage power supply for image transfer and image forming apparatus using the same
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For inverter : With electron tube or valve control means in the line circuit)

Patent 5684686: Boost-input backed-up uninterruptible power supply
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For inverter : With transistor control means in the line circuit : Saturable reactor (e.g., magnetic amplifier))

Patent 5684687: Driver circuit for inverter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For inverter : With transistor control means in the line circuit : Saturable reactor (e.g., magnetic amplifier))

Patent 5684688: Soft switching three-level inverter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In transistor inverter systems : Bridge type : With magnetic control means)

Patent 5684689: Interchangeable plug power supply with automatically adjusting input voltage receiving mechanism
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Encased in plug housing : Adapted for use with alternators)

Patent 5684690: Integrated electrical power supply system for propulsion and service control
(ELECTRIC POWER CONVERSION SYSTEMS : MISCELLANEOUS : By circuit interrupter converter)

Patent 5684691: Method and apparatus for controlling draft of an agricultural implement
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Digital positioning (other than machine tool) : Having particular compensation or stabilization feature)

Patent 5684692: Multipaneled digitizer
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Digital positioning (other than machine tool) : Alignment or registration : Having position marking : Proportional-Integral-Derivative (P-I-D))

Patent 5684693: Method for bit-stream data compression
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Earth science : Well logging or borehole study : Lightning)

Patent 5684694: System for controlling a hydrostatic-mechanical transmission when an oil pressure exceeds a relief pressure
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Transmission control : Vehicle equipment position control (e.g., seat, mirror, door, window, headrest, or headlamp))

Patent 5684695: Method and apparatus for constructing an environment map of a self-propelled, mobile unit
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Automatic route guidance vehicle : Railway vehicle speed control)

Patent 5684696: System and method for enabling an autonomous vehicle to track a desired path
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Automatic route guidance vehicle : Storage or planning of route information : Profile of descent)

Patent 5684697: Driver emulative vehicle control system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Automatic route guidance vehicle : Having image processing : Modification or correction of route information)

Patent 5684698: Vehicle attitude and average height control apparatus
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Suspension control : Attitude change suppressive control (e.g., antiroll or antipitch) : Inner/outer loop)

Patent 5684699: Travel characteristic control system for automotive vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Steering control : Artificial intelligence (e.g., fuzzy logic))

Patent 5684700: Adaptive steering control using vehicle slip angle and steering rate
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Steering control : Artificial intelligence (e.g., fuzzy logic))

Patent 5684701: Method and apparatus for sensing a vehicle crash
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Control of vehicle safety devices (e.g., airbag, seat-belt, etc.) : Artificial intelligence (e.g., fuzzy logic))

Patent 5684702: Control system having data correlation for controlling a vehicular anti-lock braking system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Antiskid, antilock, or brake slip control : Fail-safe system : Correction or modification)

 

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