Patents 5270617 - 5270875
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Patent 5270617: Planar type display device and its driving method
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL POWER SUPPLIES : Plural cathode and/or anode load device : Diverse type current supplies)
Patent 5270618: Magnetic-electronic dual-frequency ballast
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL POWER SUPPLIES : Diverse-type current supplies : Simultaneous application to the load device : Gas display panel device)
Patent 5270619: Novelty inert gas device having separable components
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Induction-type discharge device load : Strobe lights)
Patent 5270620: High frequency resonant converter for operating metal halide lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Circuit interrupter in the inductance circuit)
Patent 5270621: Procedure controlling the motor of a crane
(ELECTRICITY: MOTIVE POWER SYSTEMS : PLURAL, DIVERSE OR DIVERSELY CONTROLLED ELECTRIC MOTORS : Plural, diverse motor controls : Motor-reversing : With running-speed control : With a bridge in the feedback circuit)
Patent 5270622: Brushless motor control system
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)
Patent 5270623: Method of controlling speed of rotation of motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : PLURAL DIVERSE MOTOR CONTROLS : Running-speed control : With automatic starting and/or stopping)
Patent 5270624: Apparatus and method for enhancing torque of power wheelchair
(ELECTRICITY: MOTIVE POWER SYSTEMS : CONSTANT MOTOR CURRENT, LOAD AND/OR TORQUE CONTROL : Initial, "cracking" or "starting from rest" torque control)
Patent 5270625: Pneumatic/electric actuator
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Power- or motion-transmitting mechanism)
Patent 5270626: Method of controlling multitasking excavator system
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Adaptive or optimizing systems including "bang-bang" servos : Mechanical gearing)
Patent 5270627: Machine tool control system
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Multiple axes analog systems : Contouring systems)
Patent 5270628: Method and apparatus for automatic robotic control of a vehicle
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Vehicular guidance systems with single axis control : Land vehicles : Multiple pass systems)
Patent 5270629: Automatic vertical blind controller with memory
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Digital or numerical systems : Slewing systems)
Patent 5270630: Method and apparatus for antirotation encoder interfaces
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Digital or numerical systems : Digital comparison : Commutating switch-type encoder : Optical or photoelectric line followers)
Patent 5270631: Linear DC motor driving device
(ELECTRICITY: MOTIVE POWER SYSTEMS : LINEAR-MOVEMENT MOTORS : Energizing winding circuit control)
Patent 5270632: Driving system for an induction motor having a circuit for generating a slip pulse and a phase shifting pulse
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Responsive to motor condition : Responsive to speed or rotation phase angle : Phase splitting using stator winding mutual inductance or saturable winding)
Patent 5270633: Ternary energy supply circuit with a high frequency rejection filter
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Frequency control : With voltage pulse time control : With controlled magnetic reactance)
Patent 5270634: Polyphase alternating current motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Voltage control : With impedance control : Saturable reactor : Including inverter)
Patent 5270635: Universal battery charger
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : SERIALLY CONNECTED BATTERIES OR CELLS : Having variable number of cells or batteries in series : Bypassable battery cell :)
Patent 5270636: Regulating control circuit for photovoltaic source employing switches, energy storage, and pulse width modulation controller
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : WIND, SOLAR, THERMAL, OR FUEL-CELL SOURCE :)
Patent 5270637: Impulse direction detector for ac power systems
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Transient or portion of cyclic : Automatic)
Patent 5270638: Probe device for testing polarity of a power supply and polarity of test element with respect to the power supply
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Nonquantitative (e.g., hot-line indicator, polarity tester) : Selective filter)
Patent 5270639: Time of use register for use with a utility meter
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Plural inputs (e.g., summation, ratio) : Watts : Digital voltmeters)
Patent 5270640: Method for incipient failure detection in electric machines
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Motor or generator fault tests : With barrier layer)
Patent 5270641: Dual side access test fixture
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Probe contact enhancement : Of reflected test signal)
Patent 5270642: Partitioned boundary-scan testing for the reduction of testing-induced damage
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Scan path testing (e.g., level sensitive scan design (LSSD)) : Boundary scan : Bus or I/O channel device fault)
Patent 5270643: Pulsed laser photoemission electron-beam probe
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : System sensing fields adjacent device under test (DUT) : Using electron beam probe : Of reflected test signal)
Patent 5270644: Magnetometer for use in the in-situ measurement of magnetotactic bacteria in aquatic environments and method of using same for
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Fluid material examination : Using thermionic emission)
Patent 5270645: Linear-output, temperature-stable rotational sensor including magnetic field responsive device disposed within a cavity of a flux concentrator
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Compensation for measurement : With axially arranged electrodes)
Patent 5270646: Method and apparatus for determinig position and width of metallic material using a pulsed electromagnetic technique
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Inductive : Electrically energized : Pulsating or alternating current for the anode)
Patent 5270647: Pipe electromagnetic field simulation apparatus using Born's approximation rule
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : Induced voltage-type sensor : Material flaw testing : Material flaw testing)
Patent 5270648: Single core triaxial flux-gate magnetometer
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetometers : Saturable core magnetometers : Plural sensors)
Patent 5270649: Method and apparatus for the predication of earthquakes
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE :)
Patent 5270650: Non-destructive detection of spoilage using nuclear magnetic resonance spectroscopy
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : Including a test sample and control sample :)
Patent 5270651: Method and apparatus for diagnosing osteoporosis
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : Including a test sample and control sample :)
Patent 5270652: MR method and apparatus employing magnetization transfer contrast inducing fat-selective RF pulse
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5270653: Selective three dimensional excitation for magnetic resonance applications
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5270654: Ultra-fast multi-section MRI using gradient and spin echo (grase) imaging
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5270655: Semiconductor integrated circuit having light emitting devices
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Test of semiconductor device : With barrier layer : Diode : Differential bridge circuit)
Patent 5270656: Biplanar RF coils for magnetic resonance imaging or spectroscopy
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)
Patent 5270657: Split gradient amplifier for an MRI system
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Electronic circuit elements : With homogeneity control)
Patent 5270658: Means and method for testing and monitoring a circuit breaker panel assembly
(ELECTRICITY: MEASURING AND TESTING : ELECTROMECHANICAL SWITCHING DEVICE : Circuit breaker : To evaluate contact response time)
Patent 5270659: Apparatus for measuring deposition speed of electroless plating
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a conductivity determining device : Which includes current and voltage electrodes : Including an integrating device)
Patent 5270660: Electrostatic voltmeter employing high voltage integrated circuit devices
(ELECTRICITY: MEASURING AND TESTING : ELECTROSTATIC FIELD : For flaw detection)
Patent 5270661: Method of detecting a conductor anomaly by applying pulses along the conductor in opposite directions
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : For fault location : By applying a test signal : Using a bridge circuit)
Patent 5270663: Apparatus for detecting a liquid mixing ratio
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : With pulse signal processing circuit : By frequency signal response, change or processing circuit)
Patent 5270664: Probe for measuring surface roughness by sensing fringe field capacitance effects
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : With a capacitive sensing means : Including a probe type structure : Including a tuned or resonant circuit)
Patent 5270665: Demodulator for continuously and accurately carrying out demodulating operation by a frequency multiplication method
(DEMODULATORS : PHASE SHIFT KEYING OR QUADRATURE AMPLITUDE DEMODULATOR : Input signal combined with local oscillator or carrier frequency signal :)
Patent 5270666: Method and circuitry for demodulation of angle modulated signals by measuring cycle time
(DEMODULATORS : FREQUENCY MODULATION DEMODULATOR : Input signal converted to and processed in pulse form (e.g., pulse counter or digital type demodulator) : Including plural detector diodes (e.g., ratio detector type))
Patent 5270667: Impedance matching and bias feed network
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including field effect transistor : Having transformer)
Patent 5270668: Semiconductor amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including distributed parameter-type coupling : Having particular biasing means)
Patent 5270669: Local oscillating frequency synthesizer for use in a TDMA system
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Plural oscillators controlled :)
Patent 5270670: High frequency producing device and oscillator comprising differential amplifiers
(OSCILLATORS : COMBINED WITH PARTICULAR OUTPUT COUPLING NETWORK : Piezoelectric crystal resonator)
Patent 5270671: Negative slope phase skewer
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Delay lines including long line elements : Planar line structure (e.g., stripline) : Having mechanically movable delay control means)
Patent 5270672: Connecting arrangement for providing a releasable connection between two striplines
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Strip type : Including spaced, electrically compensated, internal support means)
Patent 5270673: Surface mount microcircuit hybrid
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Strip type : Including spaced, electrically compensated, internal support means)
Patent 5270674: Electromagnetic relay
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Polarity-responsive : With locking, latch or tripping structure)
Patent 5270675: Highly conductive magnetic material
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : Simultaneously actuated : By pivotal or rockable armature : Reciprocating or linearly sliding)
Patent 5270676: Method of making elements of a magnetic circuit in a loudspeaker
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With permanent magnet : Polarized electromagnet : Varying alternating current amplitude responsive : Rotary armature)
Patent 5270678: Magnetic rail chuck
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Work or object holding type : Electromagnet type (e.g., electromagnetic chuck) : Angularly adjustable fixture)
Patent 5270679: Split end plate fuse assembly
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Fuse link carrier or holder : Cartridge or tube : Contact or terminal structure : Attaching or securing means (to the tube or to the fusible element) : With strain member)
Patent 5270680: Loud horn with respiration pipe and in particular for motor vehicles
(COMMUNICATIONS: ELECTRICAL : AUDIBLE INDICATION : Diaphragm (e.g., horn or buzzer) : Housing or mounting : Having spring)
Patent 5270681: Bicycle and bicycle elements theft alarm apparatus
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Of motorcycles or bicycles : Intersection turn guidance)
Patent 5270682: Display devices of the reflection type for vehicle
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Curb)
Patent 5270684: Oil consumption counter
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Flame : By radiant energy : Specified device housing or attachment means)
Patent 5270685: Syringe pressure monitor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Pressure : Liquid)
Patent 5270686: Pizza delivery container with tilt alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Position responsive : Tilt : Conveyor belt)
Patent 5270687: Palette devices, computer graphics systems and method with parallel lookup and input signal splitting
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Color bit data modification or conversion : Using look up table : Plural look up tables :)
Patent 5270688: Apparatus for generating a cursor or other overlay which contrasts with the background on a computer output display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Merge or overlay : Image based : Weighted : Plural look up tables)
Patent 5270689: Multi-function operating device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Temporal interpolation or processing)
Patent 5270690: Bidimensional input control system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Scaling)
Patent 5270692: Digitizer cursor/mouse with unitary switch actuators
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Scaling)
Patent 5270693: Enlarged area addressable matrix
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Physically integral with display elements : Having common base or substrate : Read/Write address generator)
Patent 5270694: Content addressable video system for image display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Translation : Image based (addressing) : Scrolling : Weights vary across image (e.g., transition from foreground to background))
Patent 5270695: Reduction technique for display of a radiographic image
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Scaling : Image based (addressing) : Reduction only : Weights vary across image (e.g., transition from foreground to background))
Patent 5270696: LCD driver circuit
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Addressing)
Patent 5270697: Display apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Waveform generation : Field period polarity reversal : Smooth or continuous)
Patent 5270698: Emergency signaling device
(COMMUNICATIONS: ELECTRICAL : VISUAL INDICATION : Movable : By electromagnetically releasable latch : Vane indicator)
Patent 5270699: Fault tolerant signaling
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Spare channel : Having specified mounting structure)
Patent 5270701: Service processing system with distributed data bases
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MULTICOMPUTER DATA TRANSFERRING : MULTICOMPUTER DATA TRANSFERRING VIA SHARED MEMORY : Master accessing slave storage)
Patent 5270702: Battery door for a selective call receiver
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Housing detail : Audible)
Patent 5270703: Bipolar signal amplification or generation
(COMMUNICATIONS: ELECTRICAL : WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.) : Using a specific transmission medium (e.g., conductive fluid, annular spacing, etc.) : Drill string or tubing support signal conduction : Control of drilling apparatus using magnetic field)
Patent 5270704: Autonomous pulse reading and recording system
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With meter reading : Acoustic or vibratory (e.g., sonic, fluidic, etc.))
Patent 5270705: Telemetry data word selector and processor
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Plural transmitters : Time division multiplex : Having acoustic sensor)
Patent 5270706: Passive aircraft proximity detector for use in highway vehicles
(COMMUNICATIONS: ELECTRICAL : EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM : Transmitter in another vehicle (e.g., emergency vehicle) : With discharge device (e.g., CRT))
Patent 5270707: Process and apparatus for the avoidance of bird impacts on airplanes
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Aircraft beacons : Indicator visible in pilot's line of sight through windscreen)
Patent 5270708: Accident information providing system for automotive vehicle
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : Map display : Including landmark information : Intersection turn guidance)
Patent 5270709: Keyboard unit for handling processor units
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Actuated by physical projection)
Patent 5270710: Switch device with operating modes of capacitive proximity and mechanical actuation
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Capacitive actuation : With rollover feature (i.e., antidoublestrike))
Patent 5270711: Touch sensor array systems and display systems incorporating such
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Pressure sensitive actuation : With rollover feature (i.e., antidoublestrike))
Patent 5270712: Sort order preserving method for data storage compression
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)
Patent 5270713: Decode circuit capable of decreasing the amount of hardware required by selectively using one of a plurality of clock signals
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Substituting specified bit combinations for other prescribed bit combinations : Bit represented by discrete frequency)
Patent 5270714: Encoding and decoding circuit for run-length-limited coding
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from run length limited codes : Binary to or from ternary)
Patent 5270715: Multichannel D/A converter
(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 5270716: Digital-to-analog converter with high linearity
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Coarse and fine conversions : With rollover feature (i.e., antidoublestrike))
Patent 5270717: Extended range RF-ID transponder
(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 5270718: Method and apparatus for tracking targets from direct and multipath reflected radar signals
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DIRECTION : Combined with determining direction)
Patent 5270719: Transmission/reception module for an electronically phase-controlled antenna
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DIRECTION : With frequency or phase steering : Combined with beam steering)
Patent 5270720: FMCW radar range calibration
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : TESTING OR CALIBRATING OF RADAR SYSTEM : By monitoring : Calibrating : With CRT display)
Patent 5270721: Planar antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5270722: Patch-type microwave antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5270723: Near field antenna measurement systems and methods
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Measuring signal energy :)
Patent 5270724: Multifrequency phased array aperture
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Plural separate diverse type : Light)
Patent 5270725: Rotating antenna with wire dipoles
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Balanced doublet - centerfed (e.g., dipole) : Plural : Parallel arrangement : Parallel and collinear arrangement :)
Patent 5270726: Rectangular aperture reflector for radar cross section and antenna pattern compact ranges
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna components : Reflector or director : Dielectric type)
Patent 5270727: Method for image formation
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Multicolor : Having deflecting means)
Patent 5270728: Raster imaging device speed-resolution product multiplying method and resulting pixel image data structure
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : With conveyed object)
Patent 5270729: Ionographic beam positioning and crosstalk correction using grey levels
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : By information carrying flow of invisible charged particles : Including driving circuitry : Laminated head including charged particle generation layer)
Patent 5270730: Jet recording method and apparatus for discharging normally solid recording material by causing generated bubble to communicate with
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Movement)
Patent 5270731: Laser thermal printer with positive air flow
(RECORDERS : COMBINED WITH RECORD RECEIVER SEVERER : Speed indicator or alarm)
Patent 5270732: Chart recorder
(RECORDERS : PLURAL-FUNCTION RECORDER, DISTINGUISHABLE RECORDINGS : Records distinguishable by color : And indicator or alarm)
Patent 5270733: Material transport that selectively contacts different materials
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Record receiver and transfer medium feeding or driving means : Specific conductor means (e.g., electrode, conducting pattern, etc.))
Patent 5270734: Auto-focus detector mask
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : Having lens : Specific lens)
Patent 5270735: Printer drive
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Multicolor : Housing or mounting)
Patent 5270736: Light modulation method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Feedback of light for intensity control : Housing or mounting)
Patent 5270737: Light deflecting apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : Having deflector : Including deflector)
Patent 5270738: Liquid jet recording apparatus having rotary transmitting member for recording medium
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : For color : Full-line array)
Patent 5270739: Liquid container having an elastic dome-shaped pressure control device with a slit
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : With integral ejector : Drop sensors)
Patent 5270740: Ink jet head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With piezoelectric force ejection : Layers, plates : Plural piezoelectric laminate : Integrated)
Patent 5270741: Apparatus for generating ions in solid ion recording head with improved stability
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : By information carrying flow of invisible charged particles : Specific ionographic head : Fluid assisted charged particle flow or generation : Drop sensors)
Patent 5270742: Image forming apparatus for forming electrostatic latent image using ions as medium, with high-speed driving means
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : By information carrying flow of invisible charged particles : Including driving circuitry : Laminated head including charged particle generation layer)
Patent 5270743: Eyeglass frame
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Continuous rim mounting : With lens retaining or locking means : Fluid-filled or suction type)
Patent 5270744: Multifocal ophthalmic lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Eye contact type : Multifocal : Spring between lens and strap)
Patent 5270745: Progressive multifocal ophthalmic lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Multifocal : Gradually varying focal power : Spring between lens and strap)
Patent 5270746: Eyeglass lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Focus and/or astigmatism correction : Multiple elements)
Patent 5270747: Stereomicroscope with first and second illuminating systems
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Of abnormal muscular functioning)
Patent 5270748: High-speed eye tracking device and method
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including eye movement detection : Using photodetector :)
Patent 5270749: Opthalmic apparatus for measuring the refractive power of a lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including projected target image : Using photodetector)
Patent 5270750: Apparatus and method for finding of scotomas in the eye of a person tested
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Subjective type : Perimeter type : On rotary disc)
Patent 5270751: Steroscopic optical apparatus for use with television and video recording equipment
(OPTICS: IMAGE PROJECTORS : STEREOSCOPIC : Stereoscopic)
Patent 5270752: Method and apparatus for a fog screen and image-forming method using the same
(OPTICS: IMAGE PROJECTORS : PROJECTED IMAGE COMBINED WITH REAL OBJECT : Plural picture rows on single microcard)
Patent 5270753: Optical aperture device for manufacturing color cathode ray tubes
(PHOTOGRAPHY : EXPOSING MULTICOLOR CATHODE-RAY TUBE TARGETS : Vignetter)
Patent 5270754: Viewfinder lens mount for compact camera with flip-up flash/viewfinder unit
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having flash built into camera : Folding flash : And reflector or refractor)
Patent 5270755: Trimming information recordable camera
(PHOTOGRAPHY : WITH DATA RECORDING : Data for control of subsequent processing of film : Images recorded on separate films)
Patent 5270756: Method and apparatus for generating high resolution vidicon camera images
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Aerial viewing : Including line to line comparison)
Patent 5270757: Toggle-operated, self-contained camera flash unit
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having flash built into camera : Pop-up flash : And reflector or refractor)
Patent 5270758: Waist level finder optical system
(PHOTOGRAPHY : WITH VIEWFINDER : With prism : Variable orientation of finder image)
Patent 5270759: Apparatus for stopping down diaphragm to an intermediate setting, upon setting diaphragm to a desired setting
(PHOTOGRAPHY : CAMERA DETAIL : Diaphragm : Diaphragm opens for focusing or viewing : Cable release)
Patent 5270760: Film cassette with internal film drive
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Film cassette or cartridge : Cable release)
Patent 5270761: Camera assembly
(PHOTOGRAPHY : CAMERA DETAIL : Body structure or housing : Ergonomic design : Having viewing port)
Patent 5270762: Slot impingement for a photographic processing apparatus
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having fluid-circulating means : Having electrical circuit : Plural stations)
Patent 5270763: Auto-focusing device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having accumulation photoarray and time control means : With mechanical rangefinder)
Patent 5270764: Remote controlled camera system providing indication of flash capability
(PHOTOGRAPHY : HAVING WIRELESS REMOTE CONTROL CIRCUIT : Camera release : And means to move film)
Patent 5270765: Automatic focusing system for a camera having a range finder
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Plural focusing or rangefinding areas : Automatic area selection : Mirror type)
Patent 5270766: Operation control apparatus of electric zoom camera
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Manually selected preset zoom position or range : Motorized lens displacement)
Patent 5270767: Camera with camera-shake detection apparatus
(PHOTOGRAPHY : CAMERA SHAKE SENSING : With photoarray : And means to move film)
Patent 5270768: Charging member containing reduced titanium oxide and device using same
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Contact : Roller : Toner cartridge)
Patent 5270769: Electrophotographic apparatus for formation of color image on intermediate transfer device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Color : Registration : Having electrode)
Patent 5270770: Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus
(RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF : ELECTRIC OR MAGNETIC IMAGERY, E.G., XEROGRAPHY, ELECTROGRAPHY, MAGNETOGRAPHY, ETC., PROCESS, COMPOSITION, OR PRODUCT : Post imaging process, finishing, or perfecting composition or product : Transfer of image to different surface : Using fur brush)
Patent 5270771: Aligner and exposure method for manufacturing semiconductor device
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)
Patent 5270772: Image-forming apparatus having a body formed of vertically separable blocks
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Seal)
Patent 5270773: Image producing device with security to prevent disclosure of sensitive documents
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Malfunction detection responsive : Purge : On or adjacent to platen)
Patent 5270774: Testing device for electrophotographic imaging apparatus
(ELECTROPHOTOGRAPHY : REMOTE MONITORING : With diverse image formation)
Patent 5270775: Recording apparatus managing system
(ELECTROPHOTOGRAPHY : REMOTE MONITORING : With diverse image formation)
Patent 5270776: Method for fusing developed image
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of fixing : Conveyance of copy : Detection of toner in developing unit)
Patent 5270777: Fixing apparatus having heat conducting member inside a fixing roller
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Heated roller : Composition or layers : Cyclically (e.g., with movement of copy))
Patent 5270778: Sheet curl control apparatus
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Delivering from transfer position : Curl correction : Having intermediate storage)
Patent 5270779: Image forming apparatus operable in plural operation modes
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Job mode : Having mode change : Warmup or standby mode)
Patent 5270780: Dual detector lidar system and method
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having one or more return pulse gates or windows : Including a displayed image :)
Patent 5270781: Method of determining shear stress employing a monomer-polymer laminate structure
(OPTICS: MEASURING AND TESTING : MATERIAL STRAIN ANALYSIS : Axes determination)
Patent 5270782: Single-component development system with intermediate donor member
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Loading : Web or belt)
Patent 5270783: Image forming equipment having improved toner sensing
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : Detection of toner in developing unit : Concentration detection :)
Patent 5270784: Image forming apparatus having means for measuring the amount of developing agent on the image carrier
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Of plural processes : Having detection of toner (e.g., patch) : By concentration detector)
Patent 5270785: Toner hopper
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Supplying new toner : Vibration : Optical detector)
Patent 5270786: Developing device using developing roller having specific structure
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Details : By magnetic brush)
Patent 5270787: Electro-optical methods and apparatus for high speed, multivariate measurement of individual entities in fiber or other samples
(OPTICS: MEASURING AND TESTING : BY MONITORING OF WEBS OR THREAD : Of containers)
Patent 5270788: Apparatus for measuring polarization of bathochromically shifted fluorescence
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With sample excitation (e.g., burning) : By light : Monochromatic (e.g., laser) : Including an alternating reference path)
Patent 5270789: White light interferometric device adapted to define an absolute reference position
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Using fiber or waveguide interferometer : Resonant cavity : By dithering (suspensions, drives, flexures))
Patent 5270790: Moving reflector driving part of a Michelson inteferometer
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Spectroscopy : Having particular linear mirror drive or configuration : With diffraction grating means)
Patent 5270791: Fibre optic measuring device, rate gyro, stabilization system and magnetic field or current sensor
(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 5270792: Dynamic lateral shearing interferometer
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having shearing : Having Schlieren effect)
Patent 5270793: Symmetrical carrier frequency interferometer
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having light beams of different frequencies (e.g., heterodyning) : For dimensional measurement (e.g., thickness gap, alignment, profile) : Displacement or distance : Polarization : With specific counter type timing of returns)
Patent 5270794: Fine structure evaluation apparatus and method
(OPTICS: MEASURING AND TESTING : SURFACE ROUGHNESS : With screen)
Patent 5270795: Validation of optical ranging of a target surface in a cluttered environment
(OPTICS: MEASURING AND TESTING : SHAPE OR SURFACE CONFIGURATION : By focus detection : Scan)
Patent 5270796: Apparatus for inspecting a phase shift mask
(OPTICS: MEASURING AND TESTING : BY CONFIGURATION COMPARISON : With comparison to master, desired shape, or reference voltage : For comparison with master or desired configuration)
Patent 5270797: Method and apparatus for determining a material's characteristics by photoreflectance using improved computer control
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : With color transmitting filter : Included with sample excitation : Including liquid filter comparison)
Patent 5270798: High electron mobility transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Combined with field effect transistor : J-FET (junction field effect transistor) : Recombination centers or deep level dopants)
Patent 5270799: Manual reset thermostat switch
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : THERMALLY ACTUATED SWITCHES : With bimetallic element : With manual or other mechanical contact control means : Reciprocating or slidable motion means : Including cam and follower)
Patent 5270800: Subliminal message generator
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Including insertion of characters or graphics (e.g., titles) : Including hue detection (e.g., chroma key))
Patent 5270802: White balance adjusting device for video camera
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Color balance or temperature (e.g., white balance) : By phase change of chrominance signal or subcarrier)
Patent 5270803: Inverse hyperbolic comb filter
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Including comb filter (e.g., using line, field, frame delays) : Including feedback control)
Patent 5270804: Color display system utilizing optical valves
(TELEVISION : VIDEO DISPLAY : Projection device : Plural parallel light modulators : Liquid crystal : Keyed)
Patent 5270805: Data communication apparatus for converting data in accordance with a discriminated function of a destination station
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)
Patent 5270806: Image editing system and method having improved multi-dimensional editing controls
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)
Patent 5270807: Color image processing apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)
Patent 5270808: Color image processing with adjustment of computed recording color to match original color
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color photography previewer : With memory for storage of conversion data)
Patent 5270809: Data return for a television transmission system
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH UPSTREAM COMMUNICATION : Server or headend : Link transmission (e.g., URL sent to user))
Patent 5270810: Still image control in an electronic endoscope
(TELEVISION : SPECIAL APPLICATIONS : With endoscope : Image magnifying)
Patent 5270811: Telemetry monitoring method and device therefor for transmitting information by means of asynchronous transfer mode technique in
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : With camera and object moved relative to each other)
Patent 5270812: Method of encoding image pixel values for storage as compressed digital data and method of decoding the compressed digital data
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive)
Patent 5270813: Spatially scalable video coding facilitating the derivation of variable-resolution images
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Bidirectional : Subband coding)
Patent 5270814: Method and apparatus for measuring the linearity of a transmission system by detecting the strength of an intercarrier frequency
(TELEVISION : MONITORING, TESTING, OR MEASURING : Setup)
Patent 5270815: Image compression processing apparatus having means for removing jitter contained at boundary between image and mask portions
(TELEVISION : FORMAT CONVERSION : Scan rate variation)
Patent 5270816: TV signal transmission systems and methods
(TELEVISION : FORMAT : Adapted to reduce noise or for frequency modulation (e.g., variable gain) : Frequency change of subcarrier)
Patent 5270817: Television signal processing apparatus for separating an auxiliary signal from a letterbox signal
(TELEVISION : FORMAT : Including additional information : For controlling video processing (e.g., digitally assisted video) : Field or frame sequential to simultaneous)
Patent 5270818: Arrangement for automatically controlling brightness of cockpit displays
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Display controlled by ambient light : Combining plural sources)
Patent 5270819: Single loop analog-to-digital conversion and video clamping circuit compatible with automated diagnostics
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : DC insertion : Level inserted during keying signals (e.g., keyed clamp) : Delayed AGC)
Patent 5270820: Method and apparatus for tracking a pointing device in a video field
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Foreground/background insertion : Color signal)
Patent 5270821: Video display adjustment and on-screen menu system
(TELEVISION : COMBINED WITH DIVERSE ART DEVICE (E.G., COMPUTER, TELEPHONE) : Of mechanical scan)
Patent 5270822: Receiver control circuit for a television for controlling programs to be supplied for viewing
(TELEVISION : RECEIVER CIRCUITRY : Modulator)
Patent 5270823: Run/standby control with switched mode power supply
(TELEVISION : RECEIVER CIRCUITRY : Power supply : Color television)
Patent 5270824: AGC circuit for double conversion digital television tuner
(TELEVISION : RECEIVER CIRCUITRY : Tuning : Color television)
Patent 5270825: Imaging optical system having a moire elimination effect
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Fiber optics : Servo unit structure or mechanism)
Patent 5270826: Implosion-resistant cathode-ray tube having implosion protection means with integral mounting loops
(TELEVISION : VIDEO DISPLAY : Cathode-ray tube : Protective device : Implosion protection : Tensioned band : Secondary emission sensor)
Patent 5270827: Optical recording system for controlling recording light quantity based on pixel patterns in an image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Multi-level image reproduction (e.g., gray level reproduction) : Print element property varied to represent gray level :)
Patent 5270828: Recording and reproducing method and apparatus utilizing a signal format for simplifying special operations and assisting efficient signal
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Audio signal : Time compressing : Plurality of audio channels)
Patent 5270829: Automatically reserve-recording and reserve-playing back a broadcasted program
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Including programmable apparatus : Disc)
Patent 5270830: Facsimile transmission system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific image-processing circuitry)
Patent 5270831: Storage and playback of digitized images in digital database together with presentation control file to define image orientation/aspect ratio
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Document filing and retrieval system : Composite image)
Patent 5270832: System for compression and decompression of video data using discrete cosine transform and coding techniques
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Lossless compression : Huffman or variable-length coding : With a multilevel classifier)
Patent 5270833: Facsimile communication method and system for transmitting received and memorized data in a memory of one facsimile unit to another facsimile
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Coding for digital facsimile equipment (e.g., Group 3 or 4))
Patent 5270834: Facsimile apparatus with message-board function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Telephone number or address of designator : Auxiliary signal controls apparatus at both transmitter and receiver)
Patent 5270835: Method for forming halftone screen and apparatus therefor
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Multi-level image reproduction (e.g., gray level reproduction) : Halftoning (e.g., a pattern of print elements used to represent a gray level) : Screen property or geometry (e.g., shape, period, symmetry, aspect ratio) : Stochastic or random dithering)
Patent 5270836: Resolution conversion of bitmap images
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Multi-level image reproduction (e.g., gray level reproduction) : Halftoning (e.g., a pattern of print elements used to represent a gray level) : Rescreening (e.g., converting spatial resolution) :)
Patent 5270837: Method and apparatus for enabling intelligent post-processing of differing data types
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Processing based on at least two different image attributes (e.g., character, graphic, photo, line, edge, gray-level, color) :)
Patent 5270838: Document scanning apparatus for scanning image information on a single sided document whether the document is right side up or upside down
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Carrier wave modulation)
Patent 5270839: Dual imaging station photoprint scanner
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Picture signal thresholding)
Patent 5270840: Image sensor and machine equipped therewith
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Solid state : Including a polygon reflector)
Patent 5270841: Image reading apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Linear scanning pattern : Document moves during scanning : Internal scan)
Patent 5270842: Holographic recording and scanning system and method
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Copying by holographic means : Spatial, phase or amplitude modulation)
Patent 5270843: Directly formed polymer dispersed liquid crystal light shutter displays
(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 second material between liquid crystal and encapsulating medium : With particular insulating layer)
Patent 5270844: Liquid crystal optical element with minute insulation portions on the electrodes
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Particular nonoptical film or layer (e.g., adhesive layer, barrier layer) : Alignment layer : For parallel alignment : With chiral smectic liquid crystal (includes ferroelectric liquid crystal) : With gate electrode between liquid crystal and semiconductor layer)
Patent 5270845: Liquid crystal display unit manufacturing method including forming one of two gate line layers of display electrode material
(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) : Matrix electrodes : Multilayer electrodes : With particular pretilt angle (i.e., with liquid crystal other than chiral smectic))
Patent 5270846: Ferroelectric liquid crystal device having plural inorganic insulating layers
(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) : Insulating layer : For parallel alignment)
Patent 5270847: Liquid crystal display panel assembly with resilient display panel support
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Holder, support, frame, or housing : Including resilient support member : Laser links)
Patent 5270848: Liquid crystal ITO connector having a metal layer
(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 : With detail of terminals to external circuit : With particular pretilt angle (i.e., with liquid crystal other than chiral smectic))
Patent 5270849: Prevention of stray light reflections in a raster output scanner (ROS) using an overfilled polygon design
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Having particular focusing element to receive scanned light : High distortion lens (e.g., fO lens, etc.) :)
Patent 5270850: Laser 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 : High distortion lens (e.g., fO lens, etc.) :)
Patent 5270851: Achromatic-type laser scanning optical system
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Having particular focusing element to receive scanned light : High distortion lens (e.g., fO lens, etc.) :)
Patent 5270852: Optical shutter-camera
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) : Opto-optical device : Light control surface formed or destroyed)
Patent 5270853: Method and apparatus for imaging an object in or through a scattering medium by using multiple-wave mixing
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Having particular chemical composition or structure)
Patent 5270854: Narrow band selective absorption filter
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Multilayer filter or multilayer reflector : Infrared lens)
Patent 5270855: Microscope having a focus-adjusting mechanism
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Two or more in a series)
Patent 5270856: Apparatus for the observation of processes
(OPTICAL: SYSTEMS AND ELEMENTS : PROTECTION FROM MOISTURE OR FOREIGN PARTICLE : Extension of tubular element adjustable)
Patent 5270857: Optical system for stabilizing an image
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : Emergency or temporary reflectors (i.e., portable self standing))
Patent 5270858: D.C. reactively sputtered antireflection coatings
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT INTERFERENCE : Produced by coating or lamina : Layers having specified index of refraction : Laminated or layered)
Patent 5270859: Optical instrument with micro-lenses
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By surface composed of lenticular elements : Plural lenticular plates : Serially disposed along optic axis : Translucent or other semitransmitting panel selectively positioned in front of mirror)
Patent 5270860: Objective for microscopes
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Microscope objective : Having four components : In a variable media (e.g., gas, elastomer, etc.))
Patent 5270861: Zoom lens system for use in a compact camera
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : To the rear of a basic lens)
Patent 5270862: Guide apparatus for vertical movement of a stage
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Stage or slide carrier : Adjustable along optical axis : Binocular)
Patent 5270863: Zoom lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Reverse telephoto : Having seven or less components : Cylindrical lenslets)
Patent 5270864: Zoom lens system for use in copying apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With fixed conjugates : In a variable media (e.g., gas, elastomer, etc.))
Patent 5270865: Compact zoom lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Four groups : Cylindrical lenslets)
Patent 5270866: Compact zoom lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Three groups : + - - + Arrangement)
Patent 5270867: Compact zoom lens having a weak front lens group
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Two groups : + - Arrangement : Having crossed axes)
Patent 5270868: Zoom lens barrel and camera incorporating such barrel
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : Having cam device : Cam groove type : Auto focusing)
Patent 5270869: Passively athermalized optical assembly incorporating laminate fiber compensation ring
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : With temperature compensation or control : With third component biconvex)
Patent 5270870: Athermalized beam source and collimator lens assembly
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : With temperature compensation or control : With third component biconvex)
Patent 5270871: Stand up practice mirror
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Fracture resistant (e.g., shatterproof, etc.) : Concave)
Patent 5270872: Superconducting submicron filter
(OPTICAL: SYSTEMS AND ELEMENTS : ABSORPTION FILTER : With selective absorption or transparent overcoating)
Patent 5270873: Signal recording and editing apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Editing : Using static memory or delay means)
Patent 5270874: Dropout simulation in a magnetic tape subsystem
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : MONITORING OR TESTING THE PROGRESS OF RECORDING : Frequency)
Patent 5270875: Programmable filter/equalizer for duel speed and density magnetic recording devices
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Head amplifier circuit : Intra-cell transition)
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