Patents 5311143 - 5311396
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Patent 5311143: RF amplifier bias control method and apparatus
(AMPLIFIERS : WITH CONTROL OF POWER SUPPLY OR BIAS VOLTAGE : Redundant amplifier circuits)
Patent 5311144: Ultra-fast differential amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Electron beam device)
Patent 5311145: Combination driver-summing circuit for rail-to-rail differential amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having push-pull amplifier stage :)
Patent 5311146: Current mirror for low supply voltage operation
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including current mirror amplifier : Of diode type)
Patent 5311147: High impedance output driver stage and method therefor
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including D.C. feedback bias control for stabilization : Of diode type)
Patent 5311148: Thermally optimized interdigitated transistor
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including plural amplifier channels : Having frequency-responsive means or phase-shift means in feedback path)
Patent 5311149: Integrated phase locked loop local oscillator
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : AFC with logic elements : Reactance device (e.g., variable capacitors, saturable inductors, reactance tubes, etc.))
Patent 5311150: Convertible oscillator circuit
(OSCILLATORS : CONVERTIBLE (E.G., OSCILLATOR TO AMPLIFIER, ETC.) : Parallel connected)
Patent 5311151: I/Q modulator and demodulator having a single bridge
(MODULATORS : PHASE SHIFT KEYING MODULATOR OR QUADRATURE AMPLITUDE MODULATOR : Including discrete semiconductor device :)
Patent 5311152: Phase locked loop with D.C. modulation
(MODULATORS : FREQUENCY MODULATOR : Including stabilization or alternatively distortion, noise or other interference prevention, reduction, or compensation : Automatic frequency stabilization or control : Phase or frequency locked loop :)
Patent 5311153: Integrated waveguide/stripline transition
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Balanced to unbalanced circuits : Having long line elements : Using waveguide)
Patent 5311154: Waveguide converter for transmitting input radio wave with proceeding direction thereof changed to waveguide path
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Balanced to unbalanced circuits : Having long line elements : Using waveguide)
Patent 5311155: Method and apparatus for imparting a linear frequency response to a signal
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Equalizers : Having long line elements)
Patent 5311156: High frequency double pole double throw switch
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : Including switching means : Having semiconductor operating means :)
Patent 5311157: System for filtering signals of high and low frequency bands, and relevant implementation device
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : For providing frequency separation : Using coupled windings)
Patent 5311158: High power tuning device using layered varactors
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : With variable response : With variable response)
Patent 5311159: Bandpass type filter having tri-plate line resonators
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Stripline or microstrip : Plural mechanically coupled disk resonators)
Patent 5311160: Mechanism for adjusting resonance frequency of dielectric resonator
(WAVE TRANSMISSION LINES AND NETWORKS : RESONATORS (DISTRIBUTED PARAMETER TYPE) : Dielectric type : Providing negative resistance)
Patent 5311161: Molded case circuit breaker motor operator interface assembly
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : With motor : Adjustable or regulatable)
Patent 5311162: Solenoid device
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With plunger-type armature : With sealed enclosure (e.g., dust or moistureproof) : Special armature construction or mounting means (e.g., to assure positive seating of armature))
Patent 5311163: Electrically operated magnetic switch designed to display reduced leakage inductance
(INDUCTOR DEVICES : WINDINGS : Overlapping laminations (e.g., "Break Joint"))
Patent 5311164: Surge absorber
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Space discharge device (gaps, lightning arrester, etc.) : With significant contact structure or composition)
Patent 5311165: Modular electric/gas oven thermostat and assembly method
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : THERMALLY ACTUATED SWITCHES : Expansible or vaporizable fluid actuated : With operating range calibration or adjustment means : Combined with capillary tube or bore)
Patent 5311166: Security vestibule
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Including location of misplaced item)
Patent 5311167: UV/IR fire detector with dual wavelength sensing IR channel
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Flame : By radiant energy : Specified device housing or attachment means)
Patent 5311168: Lock set with self-contained door alarm and annunciator system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Lock : Dosimeter)
Patent 5311169: Method and apparatus for driving capacitive display device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Electroluminescent : Brightness or intensity control : Resistor-diode arrangement)
Patent 5311170: Method and system for making bipolar switching to protection channel
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Spare channel : Having specified mounting structure)
Patent 5311171: Quad channel unit registers for channel pairs
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Details of circuit or interface for connecting user to the network)
Patent 5311172: Communication control system
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Carrier sense multiple access (CSMA) : Arbitration for access between contending stations : Using weighted back-off timing : Including a ring or loop for interconnecting inputs and outputs)
Patent 5311173: Navigation system and method using map data
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : Map display : Route determination and display on map : Intersection turn guidance : Off course, route re-search : Pattern matching :)
Patent 5311175: Method and apparatus for pre-identification of keys and switches
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Pressure sensitive actuation : With rollover feature (i.e., antidoublestrike))
Patent 5311176: Method and apparatus for generating Walsh codes
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)
Patent 5311177: Code transmitting apparatus with limited carry propagation
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Adaptive coding : Pressure sensitive actuation)
Patent 5311178: Method for processing sample values in an RLL channel
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from run length limited codes : Binary to or from ternary)
Patent 5311179: Method for amending the effect of offset voltage variations from the output voltage in a D/A converter
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)
Patent 5311180: Digital circuit for the introduction and later removal of dither from an analog signal
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Increasing converter resolution (e.g., dithering) : Plural slope analog to digital converter)
Patent 5311181: Sigma delta modulator
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation) : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5311182: Method and apparatus for regenerating a distorted binary signal stream
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using ladder network)
Patent 5311183: Windshear radar system with upper and lower elevation radar scans
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR FOR METEOROLOGICAL USE (EPO) : Mounted on aircraft (EPO) : Particular SAR processing techniques (e.g., squint mode, doppler beam-sharpening mode, spotlight mode, bistatic SAR, inverse SAR) (EPO))
Patent 5311184: Airborne weather radar system with aircraft altitude and antenna tilt angle dependent sensitivity time control
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR FOR METEOROLOGICAL USE (EPO) : Mounted on aircraft (EPO) : Particular SAR processing techniques (e.g., squint mode, doppler beam-sharpening mode, spotlight mode, bistatic SAR, inverse SAR) (EPO))
Patent 5311185: Supervised personnel monitoring system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Unique identity : With defruiting or degarbling)
Patent 5311186: Transponder for vehicle identification device
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Radar transponder only : Distance measuring equipment (DME))
Patent 5311187: Search radar system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : PLURAL RADAR : With transmission to a remote station)
Patent 5311188: Radar apparatus provided with a coherent clutter map
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS RADAR SYSTEM : Receiver : Automatic target detection : Function of distance)
Patent 5311189: Method for distinguishing between at least two targets
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS RADAR SYSTEM : Receiver : Gating : Automatic range tracking : With constant beat frequency)
Patent 5311190: Transmit and receive antenna element with feedback
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DIRECTION : With frequency or phase steering : Combined with beam steering)
Patent 5311191: Automatic anechoic chamber calibrator
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : TESTING OR CALIBRATING OF RADAR SYSTEM : MTI (Moving target indicator))
Patent 5311192: Polarization ECCM technique for radar systems
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : With polarization : With sweep expansion)
Patent 5311193: Digital chirp generator
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : For frequency modulation : Combined with pulse modulation : Cursor)
Patent 5311194: GPS precision approach and landing system for aircraft
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using Global Positioning Satellite (GPS or Glonass) : With ambiguity resolving)
Patent 5311195: Combined relative and absolute positioning method and apparatus
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using Global Positioning Satellite (GPS or Glonass) : Combined with secondary navigation system (i.e., LORAN, gyroscope, inertial, dead reckoning, etc.) :)
Patent 5311196: Optical system for microwave beamforming using intensity summing
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : Eliptical)
Patent 5311197: Event-activated reporting of vehicle location
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : Land vehicle location (e.g., bus, police car : Having traffic control)
Patent 5311198: Active antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Having electric space discharge device :)
Patent 5311199: Honeycomb cross-polarized load
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Rotary or rotary oscillatory motion)
Patent 5311200: Millimeter wave variable width waveguide scanner
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Plural : With wave guide coupling :)
Patent 5311201: Multi-band antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Active sleeve surrounds feed line : With coaxial active rod : With main and subreflector (Casse-grain type))
Patent 5311202: Frequency-selective surface structure having H-shaped slots
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna components : Refracting means and radio wave energy filters (e.g., lenses and polarizers) : Flexible rod actuated)
Patent 5311203: Viewing and display apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Three-dimensional arrays)
Patent 5311204: Offset electrodes
(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 5311205: Color liquid-crystal display apparatus with rectilinear arrangement
(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) : Color : Including transformer)
Patent 5311206: Active row backlight, column shutter LCD with one shutter transition per row
(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) : Gray scale capability (e.g., halftone) : Including transformer)
Patent 5311207: Image drawing apparatus for displaying input image on display means
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Color bit data modification or conversion : Using look up table : Spatial)
Patent 5311208: Mouse that prints
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Scaling)
Patent 5311209: Assembled photomechanical mouse structure
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Rotatable ball detector : Photosensor encoder : Attribute changes during scrolling)
Patent 5311210: Ergonomic keyboard and operator's chair
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Trackball)
Patent 5311211: Apparatus and method for providing a raster-scanned display with converted address signals for VRAM
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Addressing : Memory addresses arranged in matrix row and column addresses) : Address translation (e.g., between virtual and physical addresses))
Patent 5311212: Functional color selection system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Color processing in perceptual color space :)
Patent 5311213: Display control device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Addressing : Address generator : Address translation (e.g., between virtual and physical addresses))
Patent 5311214: Ink jet recording apparatus having means for removing foreign material from an ink supply path by first introducing an into the ink supply path
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of fluid (e.g., ink flow rate, viscosity, etc.) :)
Patent 5311215: Apparatus and method for forming digital image
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Dot density or dot size control (e.g., halftone) : Laminated head including charged particle generation layer)
Patent 5311216: Exposure device having means for correcting intensity of laser beam dependent on variation in rotational speed of photosensitive member
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Beam generator driving means : Laminated head including charged particle generation layer)
Patent 5311217: Variable attenuator for dual beams
(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 5311218: Ink jet print head and method of fabricating the same
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With piezoelectric force ejection : Layers, plates : Flow path)
Patent 5311219: Ink jet print head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With piezoelectric force ejection : With additional feature)
Patent 5311220: Autostereoscopic display
(TELEVISION : STEREOSCOPIC : Stereoscopic display device : Single display with optical path division : Separation by time division :)
Patent 5311221: Electromagnetic wave modulator equipped with coupled quantal wells, and application to an electromagnetic wave detector
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Modulation of polarized light via modulating input signal : Using reflective or cavity structure : Semiconductor :)
Patent 5311222: Prism assembly
(OPTICAL: SYSTEMS AND ELEMENTS : SIGNAL REFLECTOR : 3-Corner retroreflective (i.e., cube corner, trihedral, or triple reflector type) : Vibration)
Patent 5311223: Ophthalmic lens polymer incorporating acyclic monomer
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Eye contact type : Hydrophilic : Spring between lens and strap)
Patent 5311224: Optical ophthalmic treatment apparatus
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including diaphram or slit : For cornea curvature measurement)
Patent 5311225: Device for determining the portion of a field seen by the eye of an observer
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including illuminator : On rotary disc)
Patent 5311226: Toy projector
(OPTICS: IMAGE PROJECTORS : COMPOSITE PROJECTED IMAGE : Plural picture rows on single microcard)
Patent 5311227: Liquid crystal projection display device with mirror
(OPTICS: IMAGE PROJECTORS : COMPOSITE PROJECTED IMAGE : Reflector between lamp and screen : Prism)
Patent 5311228: Camera with optical film metering and image frame data encodement
(PHOTOGRAPHY : WITH DATA RECORDING : Optical : Having transfer strip)
Patent 5311229: Camera with camoperated mirror driving mechanism
(PHOTOGRAPHY : SINGLE LENS REFLEX CAMERA : With mirror support or drive : Having self-erecting lens holder)
Patent 5311230: Zoom lens camera
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Power zoom : Speed control or step driving : Focus position adjusted according to focal length)
Patent 5311231: Lens-fitted photographic film unit and method for assembling the same
(PHOTOGRAPHY : DISPOSABLE OR RECYCLABLE CAMERA : Object support)
Patent 5311232: Film magazine for feeding film developing machines and device for preparing said magazine
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Photographic medium or cartridge sensing : Photographic medium length, width, area, or amount sensing : Rotary)
Patent 5311233: Photosensitive material drying device
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Photographic medium handling)
Patent 5311234: Developing apparatus
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Fluid application to one side only of photographic medium : By roller : Film immersed and removed)
Patent 5311235: Driving mechanism for a photographic processing apparatus
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having photographic medium feed : And photographic medium immersed and removed : Having band, belt, or chain : Film in spaced spiral for processing)
Patent 5311236: Process and device for the feeding of fluid additives, and in particular the feeding of replenishers to a photographic processing fluid
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having fluid-circulating means : Having electrical circuit : Plural stations)
Patent 5311237: Film container and automatic developing apparatus
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Photographic medium holding device : Spool : For plate)
Patent 5311238: Zoom lens bearing camera
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Automatic change of focal length : Constant image size : Plural tanks)
Patent 5311239: Camera mechanism for setting focus and aperture
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Dual purpose motor : Image correlation type)
Patent 5311240: Technique suited for use in multi-zone autofocusing cameras for improving image quality for non-standard display sizes and/or different
(PHOTOGRAPHY : PSEUDO ZOOM : Camera release)
Patent 5311241: Focus detecting apparatus detecting focus to a plurality of areas
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Reliability of focus/distance signal : With mechanical rangefinder)
Patent 5311242: Autofocus camera and method of focus control therefor
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having pursuit mode : With mechanical rangefinder)
Patent 5311243: Flash photographing system
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Focus lock : Image correlation type)
Patent 5311244: Exposure control device for a camera
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having artificial illumination termination control : Including exposure control circuit : And reflector or refractor)
Patent 5311245: Camera system operable by carrying data from a camera accessory to a camera body
(PHOTOGRAPHY : EXPOSURE CONTROL CIRCUIT : Manually selective exposure mode : More than two photometering areas)
Patent 5311246: Frequency modulated acutance guide and method of use
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Regulating light intensity or exposure time)
Patent 5311247: Plate making machine
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Including reflector between original and photosensitive paper : Including)
Patent 5311248: Copying area display device for a copier
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Focus or magnification control : Including indicator or scale : Including a cam or a screw with nonuniform pitch)
Patent 5311249: Projection exposure apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Including shutter, diaphragm, polarizer or filter : Vertical optical path)
Patent 5311250: Pellicle mounting apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for original : Including vacuum, fluid or spring pressure : Vertical optical path)
Patent 5311251: Automatic setup of photographic printer
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Methods : Including vacuum, fluid or spring pressure)
Patent 5311252: Method of proximity imaging photolithographic structures for ink jet printers
(PHOTOCOPYING : CONTACT PRINTING : Frames : With diffusing or masking (e.g., vignetting) : Continuous running)
Patent 5311253: Image-forming apparatus with detachable imaging unit
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Component present or mounted : Electrostatic)
Patent 5311254: Image forming apparatus having a paper jam detecting system for the automatic document handler
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Of original : Light (e.g., laser, LED, LCD))
Patent 5311255: Real-time diagnostic system for detecting non-linear movement of an imaging member using optical fibers
(ELECTROPHOTOGRAPHY : COMBINED WITH DIVERSE SUBJECT MATTER : With diverse image formation : Electrostatic : Light (e.g., laser, LED, LCD) : Composite image :)
Patent 5311256: Image forming apparatus maintaining image density stability against humidity
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Having temperature or humidity detection : Single detector for plural toners)
Patent 5311257: Image forming apparatus
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Operator interface (e.g., display control panel) : User access)
Patent 5311258: On-the-fly electrostatic cleaning of scavengeless development electrode wires with D.C. bias
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Having cloud-forming application : Having internal rotary member)
Patent 5311259: Image forming apparatus
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Job mode : Having mode change : Auto copy size or magnification : Concentration detection)
Patent 5311260: Developing device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Plural diverse (e.g., color) : Plural applicators single position : Lock or clamp)
Patent 5311261: Toner density control method for image recording apparatus and apparatus for the same
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : Detection of toner in developing unit : Concentration detection : Magnetic detector :)
Patent 5311262: Developing device for use in an image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Sleeve : Having stationary magnet)
Patent 5311263: Developing apparatus for image forming equipment using developer carrier for forming microfields
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Sleeve : Having stationary magnet)
Patent 5311264: Developing apparatus for developing electrostatic latent image using one component developer
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Loading : Web or belt)
Patent 5311265: Toner loading system and method
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Seal : Developer seal : Toner cartridge : Optical detector)
Patent 5311266: Image forming apparatus having particle modulator
(RECORDERS : WRITERS : Receiver and marker movable : Time-driven record receiving disc : Marker pivotally movable, only : Work-driven marker, only)
Patent 5311267: Method and apparatus for supporting photoreceptive belt and copy paper to reduce transfer deletions
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Photoconductive member : Belt : Having backing support : Toner cartridge)
Patent 5311268: Fixing device using fuzzy inference
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Artificial intelligence : Single detector for plural toners)
Patent 5311269: Toner image finishing apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Continuous web : Cleaning member)
Patent 5311270: Paper cassette having a plurality of switches for selecting an input data port
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Unit or part identification : Electrostatic)
Patent 5311271: Golf course range finder
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of CW phase delay : Having pulse transmission trigger significance)
Patent 5311272: Optical buoys for oceanographic measurements by imaging lidar
(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 5311273: Method and apparatus for calibrating spectral radiometers
(OPTICS: MEASURING AND TESTING : OPTICAL PYROMETERS : Hemoglobin concentration)
Patent 5311274: Fiber optic refractometer
(OPTICS: MEASURING AND TESTING : REFRACTION TESTING (E.G., REFRACTOMETERS) : Refractive rod engages specimen : With servo controlled optical member)
Patent 5311275: Apparatus and method for detecting particles on a substrate
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Surface condition : Detection of object or particle on surface : Detection of an object or particle on surface)
Patent 5311276: Apparatus for detecting cut-edge flaws in glass plates
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Transparent or translucent material : Detection of foreign material (e.g., trash, splinters, contaminants, etc.))
Patent 5311277: Atomic absorption spectroscopic analytic apparatus
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With sample excitation (e.g., burning) : By electrical resistance heating (e.g., graphite tube) : With particular electrical switching)
Patent 5311278: Spectrometer
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrometer : Having beam modulation)
Patent 5311279: Integrated optical apparatus for the interferometric measurement of light waves
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Using fiber or waveguide interferometer : Lock-in prevention)
Patent 5311280: Laser light length control assembly for ring laser gyro
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : Cavity mirror details : Having m x n loop coupler where (m is greater than 2) and (n is greater than or equal to 2) (e.g., passive bias))
Patent 5311281: Interferometer gyroscope with electro-optical modulation and reduced reset frequency
(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 5311282: High precision stepping aligner having a spiral stepping pattern
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Displacement or distance : X-Y and/or Z table : Having wavefront division (e.g., by diffraction))
Patent 5311283: Fiber optic probe and method for detecting optically active materials
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : Having wavefront division (by diffraction))
Patent 5311284: Method of measuring optical characteristics of thin film and apparatus therefor
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : Having wavefront division (by diffraction))
Patent 5311285: Measuring method for ellipsometric parameter and ellipsometer
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : Of surface reflection : Including polarimeters)
Patent 5311286: Apparatus and method for optically measuring a surface
(OPTICS: MEASURING AND TESTING : SHAPE OR SURFACE CONFIGURATION : Triangulation : Projection of structured light pattern : Pattern is series of non-intersecting lines : Moire : Planar surface)
Patent 5311287: Direct access storage device with head-disc dynamics monitor
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Silhouette)
Patent 5311288: Method and apparatus for detecting surface deviations from a reference plane
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Triangulation : Position of detected arrangement relative to projected beam)
Patent 5311289: Picture processing method in optical measuring apparatus
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Triangulation : Position of detected arrangement relative to projected beam)
Patent 5311290: Imaging apparatus and method of fiber analysis
(OPTICS: MEASURING AND TESTING : DIMENSION : Length : Of light permeable material)
Patent 5311291: Measuring method and device, in particular for measuring cigarettes, using a laser beam
(OPTICS: MEASURING AND TESTING : DIMENSION : Width or diameter : Shadow or beam blocking : Scanning : Single beam scans entire width or diameter : Planar surface)
Patent 5311292: Transmissivity measuring apparatus for a color separation prism
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : Trichromatic examination : For comparison with master or desired configuration)
Patent 5311293: Method and instrument for selecting personal compatible colors
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : With reflective multicolor chart or standard : Included with colored light sources)
Patent 5311294: Method and apparatus for setting the color balance of a color display device
(TELEVISION : MONITORING, TESTING, OR MEASURING : Setup)
Patent 5311295: RGB display of a transcoded serial digital signal
(TELEVISION : MONITORING, TESTING, OR MEASURING : Setup)
Patent 5311296: Video signal generator circuit and video image processing device using the same
(TELEVISION : SYNCHRONIZATION : Phase locking regenerated subcarrier to color burst : With line rate switch (e.g., SECAM))
Patent 5311297: HDTV to conventional TV signal converting apparatus with non-linear level correction
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Gray scale transformation : Nonlinear amplitude modification (e.g., gamma) : Color television : Selects or blends two or more separated signals to derive output)
Patent 5311298: Chroma adjustment circuit
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Color television signal processing : Differential phase or amplitude responsive : Level derived within feedback path)
Patent 5311299: Recursive comb filter
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : For removal of low amplitude random noise (e.g., variable bandwidth) : Noise component generator, limiter, subtractor type : For color television)
Patent 5311300: Circuit arrangement for accurately adjusting each color channel of a picture signal generator using digital control signals
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : White limiter : With DC clamping)
Patent 5311301: Apparatus for automatically discriminating between at least three different broadcasting systems
(TELEVISION : FORMAT CONVERSION : Specified chrominance processing : Motion adaptive)
Patent 5311302: Entertainment and data management system for passenger vehicle including individual seat interactive video terminals
(TELEVISION : TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE) : User interface (e.g., touch screen menu) :)
Patent 5311303: Image processing apparatus having a memory for storing information relating to color
(TELEVISION : PSEUDO COLOR : False color)
Patent 5311304: Apparatus for the positioning of components on a printed circuit board or the like
(TELEVISION : SPECIAL APPLICATIONS : Manufacturing : Electronic circuit chip or board (e.g., positioning) : Color sequential illumination)
Patent 5311305: Technique for edge/corner detection/tracking in image frames
(TELEVISION : OBJECT TRACKING : Infrared)
Patent 5311306: Motion detecting circuit for video signal processor
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Motion dependent key signal generation or scene change detection : Composite color signal : Level derived within feedback path)
Patent 5311307: Image processing method
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : With beam energy determining color)
Patent 5311308: Method and device for encoding-decoding a narrow band high definition digital television signal
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive)
Patent 5311309: Luminance processing system for compressing and expanding video data
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)
Patent 5311310: High efficiency coder and method employing overlapped motion compensation and perfect reconstruction filter banks
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Intra/inter selection : Subband coding)
Patent 5311311: Encoder for superimposing encoded character data or command data in the vertical blanking interval for regulating video receiver functions
(TELEVISION : FORMAT : Including additional information : During sync, blanking, or overscan : Field or frame sequential to simultaneous)
Patent 5311312: Ghost cancelling method and apparatus which perform a correlative operation to speed processing
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Ghost elimination (e.g., multipath) : Complementary system (e.g., preemphasis - deemphasis))
Patent 5311313: Apparatus for removing ghost from television signals including a transversal filter using coefficient data with unnecessary high
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Ghost elimination (e.g., multipath) : Complementary system (e.g., preemphasis - deemphasis))
Patent 5311314: Method of and arrangement for suppressing noise in a digital signal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Specified color (e.g., saturation and contrast control))
Patent 5311315: Ghost detector with time reversal processing
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Ghost elimination (e.g., multipath) : Complementary system (e.g., preemphasis - deemphasis))
Patent 5311316: On-screen displaying apparatus having zoom function
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Rotation)
Patent 5311317: Video signal processing apparatus for displaying stored video signal during channel selection
(TELEVISION : RECEIVER CIRCUITRY : Modulator)
Patent 5311318: Double conversion digital tuning system using separate digital numbers for controlling the local oscillators
(TELEVISION : RECEIVER CIRCUITRY : Tuning : Color television)
Patent 5311319: Solid state image pickup device having feedback voltage to amplifier
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : With amplifier : In charge coupled type image sensor)
Patent 5311320: Solid state image pickup apparatus
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Dark current : For single sensor type camera supplying plural color signals)
Patent 5311321: Laser video imaging system with pulse backtrack and method
(TELEVISION : VIDEO DISPLAY : Projection device : Single light modulator : Color TV : Beam combining)
Patent 5311322: Video camera with negative-positive reversal function
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Color balance (e.g., white balance) : Video teleconferencing (including access or authorization))
Patent 5311323: Video signal recording system
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Record protection (e.g., anti-copying) : Digital technique)
Patent 5311324: Apparatus with frame check capability for reproducing images by combining outputs of concurrently operating disk players storing
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Drop-out correction : Color signal in nonpictorial form)
Patent 5311325: Method and apparatus for providing periodic subscription television services
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : BILLING IN VIDEO DISTRIBUTION SYSTEM : Having variable cost or free preview period : Coin operated)
Patent 5311326: Image-information transmission method and its control circuit
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Coding for digital facsimile equipment (e.g., Group 3 or 4))
Patent 5311327: Facsimile machine including image memory capable of efficient transmission/reception
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Memory interface : Auxiliary signal controls apparatus at both transmitter and receiver)
Patent 5311328: Image processing apparatus for performing an edge correction process and digital copying machine comprising said image processing apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Signal enhancing : Auxiliary signal controls apparatus at both transmitter and receiver)
Patent 5311329: Digital filtering for lenticular printing
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Auxiliary signal controls apparatus at both transmitter and receiver)
Patent 5311330: Document guide roller assembly in a scanner
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Document feed : Scanning element moves relative to a flat stationary document)
Patent 5311331: Image scanning and video printing apparatus and method of controlling the same
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Image reproduction : Page or frame memory)
Patent 5311332: Interpolation method and color correction method using interpolation
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)
Patent 5311333: Image processing apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)
Patent 5311334: Method and apparatus for color conversion of an original image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : Image editing : Halftone screening)
Patent 5311335: Method for generating holographic images
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : For producing or reconstructing images from multiple holograms (e.g., color, etc.) : Lens)
Patent 5311336: Color-converting an outline or other portion, with or without spreading of the portion
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : Image portion selection : Halftone screening)
Patent 5311337: Color mosaic matrix display having expanded or reduced hexagonal dot pattern
(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 : Nonrectilinear rows and columns : With particular pretilt angle (i.e., with liquid crystal other than chiral smectic))
Patent 5311338: Liquid crystal light valve with anodized aluminum light blocking/reflecting layer
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Optical excitation : With photoconductive layer (e.g., spatial light modulator(SLMs)) : With particular light blocking layer for separating read and write lights : With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure)
Patent 5311339: Liquid crystal display having a double-refracting compensation layer
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Interconnection of plural cells in series : For compensation of birefringence effects : Of twisted (or chiral) nematic or supertwisted nematic liquid crystal : Varistor)
Patent 5311340: Liquid crystal display device having compensator and thin film with maximum refractive index parallel and perpendicular to compensator,
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Compensator or retarder (i.e., not using liquid crystal cell) : Multiple compensators : Conductive mask)
Patent 5311341: Connection structure between a tab film and a liquid crystal 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 : Featuring flexible circuit (i.e., tape automated bonding (TAB), etc.) : With particular pretilt angle (i.e., with liquid crystal other than chiral smectic))
Patent 5311342: Liquid crystal display device with particular common electrode connector
(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 5311343: Liquid crystal device with at least two liquid crystal compounds, one having and one not having a chiral smectic phase
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL : Within smectic phase : Within chiral smectic phase (includes ferroelectric) : Nonspacer particles significantly smaller than liquid crystal thickness (e.g., scattering centers, ferromagnetic particles, etc.))
Patent 5311344: Bidirectional lightwave transmission system
(OPTICAL COMMUNICATIONS : MULTIPLEX : Broadcast and distribution system : WDM : Hub or central office : Including subscribers : Bidirectional :)
Patent 5311345: Free space optical, growable packet switching arrangement
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Time : Including photonic packet switching :)
Patent 5311346: Fiber-optic transmission polarization-dependent distortion compensation
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Including optical waveguide : Soliton : Redundant fibers)
Patent 5311347: Optical communication system with automatic gain control
(OPTICAL COMMUNICATIONS : DIAGNOSTIC TESTING : Determination of communication parameter : Using supervisory signal : Different wavelengths for diagnostic and communication :)
Patent 5311348: Cylindrical lens system for use in laser beam scanning apparatus and scanning apparatus including same
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Including reflective type moving element : Having multifaceted rotating element : Single plane mirror element)
Patent 5311349: Unfolded optics for multiple row spatial light modulators
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : By moving a reflective element : Including reflective type moving element)
Patent 5311350: Optical device and apparatus using the optical device
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : By reflection : Kerr cell)
Patent 5311351: Optical pulse source, and a soliton optical transmission system including the source
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Pulse modulation : Kerr cell)
Patent 5311352: Increasing the birefringence of KTP and its isomorphs for type II phase matching
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Having particular chemical composition or structure)
Patent 5311353: Wide dynamic range optical receivers
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Dielectric optical waveguide type)
Patent 5311354: Telescope
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Telescope : Focusing or relatively sliding barrels : Internal focusing : Spacing of optical elements axially adjustable)
Patent 5311355: Afocal zooming optical system
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Variable magnification : With prism or U-shaped optical path)
Patent 5311356: Apparatus for simulating effects of optical lenses and methods for production and use
(OPTICAL: SYSTEMS AND ELEMENTS : STEREOSCOPIC : Stereo-viewers : View changers : Stereoscopic imaging or three dimensional imaging)
Patent 5311357: Device for the creation of three-dimensional images
(OPTICAL: SYSTEMS AND ELEMENTS : RELIEF ILLUSION : Reflected line of sight : Supporting, mounting, enclosing or light shielding structure)
Patent 5311358: Universal microscope drape
(OPTICAL: SYSTEMS AND ELEMENTS : PROTECTION FROM MOISTURE OR FOREIGN PARTICLE : Microscope drape : With color filter)
Patent 5311359: Reflective optical correlator with a folded asymmetrical optical axis
(OPTICAL: SYSTEMS AND ELEMENTS : DIFFRACTION : Using Fourier transform spatial filtering : For correlation : Including a threaded member)
Patent 5311360: Method and apparatus for modulating a light beam
(OPTICAL: SYSTEMS AND ELEMENTS : DIFFRACTION : From grating : Including particular grating characteristic : Reflection grating (e.g., retrodirective) : With single transparent coating between spheres and atmosphere)
Patent 5311361: Small three-unit zoom lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Three groups : + - + Arrangement : Having crossed axes)
Patent 5311362: Projection exposure apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With light limiting or controlling means : Multiple component lenses)
Patent 5311363: Fixed-focal-length lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Reverse telephoto : With five or less components : Having curvilinear lens)
Patent 5311364: Reading lens for scanner
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Multiple component lenses : Six components : Having curvilinear lens)
Patent 5311365: Combination tool
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With viewed object support : Magnifier)
Patent 5311366: Mirror adapted for use in self-catheterizing procedures
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : With support : Mirror movable relative to support : Body or apparel mirror support : Fluid pressure actuated)
Patent 5311367: Optical device including a transparent material between two relatively adjustable transparent members
(OPTICAL: SYSTEMS AND ELEMENTS : PRISM (INCLUDING MOUNT) : Fluid filled : Lens mounts)
Patent 5311368: Mirror drive unit
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : With support : Mirror movable relative to support : With rotary to linear motion converting mirror adjustment : With rotation of mirror about perpendicular axes : Sliding barrels)
Patent 5311369: Method for suppressing solar background in a receiver of laser light
(OPTICAL: SYSTEMS AND ELEMENTS : ABSORPTION FILTER : Fluid : Laminated or layered mirror support)
Patent 5311370: Recording apparatus having continual and single-memory-portion recording modes
(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 5311371: Magnetic tape data recovery method
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD COPYING : Contact transfer :)
Patent 5311372: Method of recording digital signals in an interleaving array form with enhanced error interpolation
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Simultaneously recording of a plurality of television signals : Digital technique)
Patent 5311373: Video tape recorder
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Audio signal : Digital audio signal : Plurality of audio channels)
Patent 5311374: Recording/reproducing system using memory functions of digital audio tape recorder (DAT) and method thereof
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : CONVERTING AN ANALOG SIGNAL TO DIGITAL FORM FOR RECORDING; REPRODUCING AND RECONVERTING : Frequency)
Patent 5311375: Recording head arrangement for video signal recording and/or reproducing device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Signal switching : Between heads in alternate engagement with medium :)
Patent 5311376: Information detecting system
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data clocking : Intra-cell transition)
Patent 5311377: Driver device of magnetic heads for magnetic record and reproduction
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Signal switching : With incremental movement between record and head)
Patent 5311378: Dual very-high density magnetic head assembly with optical servo positioning for very high density floppy disk recording and high
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Rotary carrier : By nonmagnetic sensing (e.g., optical, capacitive) : By signal derived from transport)
Patent 5311379: Method and system for positioning head on target cylinder of disk
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Rotary carrier : Conductive)
Patent 5311380: Magnetic head positioning device and method
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Elongated web carrier (i.e., tape) : By tracking signal recorded on or immediately beneath surface)
Patent 5311381: Method and apparatus of automatically tracking a recording medium
(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 : Continuous servo signal)
Patent 5311382: Pinch roller urging device for video information recording/reading apparatus
(WINDING, TENSIONING, OR GUIDING : UNWINDING AND REWINDING A MACHINE CONVERTIBLE INFORMATION CARRIER (E.G., MAGNETIC TAPE OR PHOTOGRAPHIC FILM) : With particular drive : Particular linear feeder (e.g., capstan or sprocket) : Multiple carrier speeds)
Patent 5311383: Disk driving motor and chucking mechanism for disk drive apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Rotational drive detail : Motorized)
Patent 5311384: Wire tubing catching member is integral with the gimbal
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Electrical connection detail : Motion limiter detail)
Patent 5311385: Magnetoresistive head with integrated bias and magnetic shield layer
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Detail of magnetic shielding : In horizontal head configuration)
Patent 5311386: Transducer with improved inductive coupling
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)
Patent 5311387: Three-pole magnetic recording head with high readback resolution
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)
Patent 5311388: Composite tape cassette
(WINDING, TENSIONING, OR GUIDING : UNWINDING AND REWINDING A MACHINE CONVERTIBLE INFORMATION CARRIER (E.G., MAGNETIC TAPE OR PHOTOGRAPHIC FILM) : Cartridge system (i.e., cartridge work station or cartridge) : Coil-to-coil cartridge : With brake or lock : Acting on plural coils)
Patent 5311389: Hydroentangled fabric diskette liner
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)
Patent 5311390: Apparatus for precise positioning of a tape head and programming thereof
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : MISCELLANEOUS : Drum)
Patent 5311391: Electrostatic discharge protection circuit with dynamic triggering
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Load shunting by fault responsive means (e.g., crowbar circuit) : Voltage responsive : With more than two wires)
Patent 5311392: Dual processor electric power trip unit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : Digital control : Protection for thyristor)
Patent 5311393: Transient voltage surge suppressor with I.sup.2 R/I.sup.2 T overcurrent protection switch
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Circuit interruption by thermal sensing : With fuse : With transistor circuit interrupter)
Patent 5311394: Water-actuated pressurized gas release device
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : IGNITING SYSTEMS : For explosive devices : Phase comparison)
Patent 5311395: Surface mount heat sink
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : For printed circuit board : For integrated circuit)
Patent 5311396: Smart card chip-based electronic circuit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : Stacked)
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