Patents 5331285 - 5331540

 

 

Patent 5331285: Resistively programmable interface for an analog device
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With voltage or current signal evaluation : Including a digital or logic circuit)

Patent 5331286: Method for continuously monitoring the soundness of the protective covering on underground metal structures, and devices for its
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With voltage or current signal evaluation : Including a particular probing technique (e.g., four point probe) : To detect a flaw or defect : For temperature variations)

Patent 5331287: Device and method for sensing water and/or acid in the presence of water in non-aqueous media
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : Device or apparatus determines conductivity effects : Using a probe type structure : To detect a flaw or defect)

Patent 5331288: Railroad rail signal receiver having frequency conversion and a resonant tuned transformer secondary
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Frequency or repetition rate conversion or control : Frequency multiplication (e.g., harmonic generation, etc.) : Having discrete active device (e.g., transistor, triode, etc.))

Patent 5331289: Translinear f.sub.T multiplier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Electron beam device)

Patent 5331290: Variable gain amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having gain control means :)

Patent 5331291: Circuit and method for adjusting the bias of an amplifier based upon load current and operating temperature
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including temperature compensation means : Of diode type)

Patent 5331292: Autoranging phase-lock-loop circuit
(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 5331293: Compensated digital frequency synthesizer
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS :)

Patent 5331294: Oscillation circuit including a ring oscillator having a changeable number of inverter circuits
(OSCILLATORS : RING OSCILLATORS : Parallel connected)

Patent 5331295: Voltage controlled oscillator with efficient process compensation
(OSCILLATORS : RING OSCILLATORS : Parallel connected)

Patent 5331296: Oscillator having controllable frequency compensation for suppressing undesired frequency of oscillation
(OSCILLATORS : ELECTROMECHANICAL RESONATOR : Crystal : With sync, trigger, or pulsing circuit (e.g., self-pulsing))

Patent 5331297: Josephson device a.c. power supply circuit and circuit substrate for mounting same
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : With impedance matching : Including long line element : Using TEM lines : For TEM lines)

Patent 5331298: Inductive device for an electromagnetic delay line and method for fabricating the same
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Delay lines including a lumped parameter : Audio tone control)

Patent 5331299: Adaptive tracking notch filter system
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : Resonant, discrete frequency selective type : With variable response)

Patent 5331300: Dielectric filter device
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Magnetostrictive wave transmission path)

Patent 5331301: Circuit breaker
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Automatic circuit-interrupting devices (e.g., circuit-protective devices) : Voltage responsive (under, over or no voltage) : Zero current)

Patent 5331302: Miniature transfer relay
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Polarity-responsive : With locking, latch or tripping structure)

Patent 5331303: Power transformer for cycloconverters
(INDUCTOR DEVICES : POLYPHASE : Interconnected windings :)

Patent 5331304: Amorphous metal transformer core
(INDUCTOR DEVICES : CORE (E.G., COMPRESSED POWDER) : Laminated type (includes bundles of rods or wires) : Coils of different windings interposed)

Patent 5331305: Chip network resistor
(ELECTRICAL RESISTORS : WITH TERMINAL : Plural resistors)

Patent 5331306: Security tool absence alarm system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Prerecorded message describes position)

Patent 5331307: Vehicle anti-theft system including a gear shift lock and an anti-theft device operated thereby
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including specified sensor : Exterior of vehicle)

Patent 5331308: Automatically adjustable and self-testing dual technology intrusion detection system for minimizing false alarms
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Selection from a plurality of sensed conditions : Plural diverse conditions : Combined for response : Specifying particular start/destination)

Patent 5331309: Drip detecting device and drip alarming device and drip rate control device which incorporate drip detecting device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Flow rate : Bridge circuit)

Patent 5331310: Amperometric carbon monoxide sensor module for residential alarms
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Gas : Lubricant)

Patent 5331311: Railroad wheel temperature sensor with infrared array
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External alarm or indicator of movement : Plural conditions)

Patent 5331312: Obstacle-detecting apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Including location of misplaced item)

Patent 5331313: Marker assembly for use with an electronic article surveillance system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Disturbance of magnetic field : Plural doors or windows)

Patent 5331314: Circuit for monitoring of loads
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Electrical characteristic : Voltage : Comparison : Including temperature detection)

Patent 5331315: Switch for serial or parallel communication networks
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Tree or cascade : Having specified mounting structure)

Patent 5331316: Communication system including allocating free signalling channels to individual substations having data to transmit
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : FDM switching)

Patent 5331317: Selective call receiver having anti-theft disablement
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Message presentation : Tone code (i.e., frequency code))

Patent 5331318: Communications protocol for digital telemetry system
(COMMUNICATIONS: ELECTRICAL : WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.) : Pulse or digital signal transmission : Cable or wire (e.g., conductor as support, etc.))

Patent 5331319: Device for signalling the position of a mobile member
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Via radiant energy beam (via particular energy) : Pulse)

Patent 5331320: Coding method and apparatus using quaternary codes
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from multi-level codes : Bit represented by discrete frequency)

Patent 5331321: A/D converter and D/A converter employing a rodix smaller than a two, and calibration thereof
(CODED DATA GENERATION OR CONVERSION : ANALOG TO DIGITAL CONVERSION FOLLOWED BY DIGITAL TO ANALOG CONVERSION : To or from code based on probability)

Patent 5331322: Current cell for digital-to-analog converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : With particular solid state devices (e.g., Gunn effect device, Josephson device, drift transistor, using solid state active devices as impedances) with other at longer intervals) : Field effect transistor : With rollover feature (i.e., antidoublestrike))

Patent 5331323: Analog-to-digital connecter using multi-gate field effect transistors
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : With particular solid state devices (e.g., Gunn effect device, Josephson device, drift transistor, using solid state active devices as impedances) with other at longer intervals) : Field effect transistor : With rollover feature (i.e., antidoublestrike))

Patent 5331324: A/D converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Multiplex : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))

Patent 5331325: Remote control transmitter configured as an article of utility
(CODED DATA GENERATION OR CONVERSION : CODE GENERATOR OR TRANSMITTER : Transmitter for remote control signal : Using charge transfer devices (e.g., charge coupled devices, charge transfer by switched capacitances))

Patent 5331326: Correcting errors in crossfeed radar systems
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DIRECTION : Low angle processing : Combined with determining direction)

Patent 5331327: Radar detector performance verification method and apparatus
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : TESTING OR CALIBRATING OF RADAR SYSTEM : By monitoring : With delay)

Patent 5331328: Method of phased magnitude correlation using binary sequences
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : For correlation : With sweep expansion)

Patent 5331329: Satellite-aided radio navigation positioning method and radio navigation system therefor
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Cursor)

Patent 5331330: Apparatus and method for detecting and displaying lightning
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : Storm or atomic explosion location : Having traffic control)

Patent 5331331: Electromagnetic propagation tool using dipole antennas
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Buried underground or submerged under water : Supported underneath vehicle)

Patent 5331332: Waveguide coupling structure
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Wave guide type (e.g., horn) : With horn : With main and subreflector (Casse-grain type))

Patent 5331333: Display apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Three-dimensional arrays)

Patent 5331334: Vacuum fluorescent display device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Segmented display elements : Fluorescent elements : Light-emitting diodes)

Patent 5331335: Panning control device for controlling area of display image in computer aided design system
(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 5331337: Data processing apparatus with self-repeat function
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Having programmable function key : Optical detector)

Patent 5331338: Web steering for an image recorder
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Synchronization of light with medium : Housing or mounting)

Patent 5331339: Ink jet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : With recirculation : With integral ejector)

Patent 5331340: Thermal head with control means for maintaining head temperature within a range
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Responsive to condition : Full-line array)

Patent 5331341: Image forming apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : Having deflector : Polygon : For detecting color)

Patent 5331342: Video clock generating circuit and horizontal synchronizing signal generating device in image forming apparatus using laser beam
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Synchronization of light with medium : By clock deviation : Specific lens)

Patent 5331343: Optical apparatus with improved lens mounting device
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : Having mounting or supporting means : Specific lens)

Patent 5331344: Method for producing liquid-discharging recording head, liquid-discharging recording head produced by said method, and
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Composite ejector : Flow path : Integrated)

Patent 5331345: Television camera device
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Accumulation or integration time responsive to light or signal intensity : Frequency separable signals)

Patent 5331346: Approximating sample rate conversion system
(TELEVISION : FORMAT CONVERSION : Scan rate variation)

Patent 5331347: Television sync and phase detector disable circuit
(TELEVISION : SYNCHRONIZATION : Automatic phase or frequency control : Noise reduction)

Patent 5331348: Adaptive leak HDTV encoder
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)

Patent 5331349: Picture-out-picture control apparatus and method thereof
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : For display of additional information : Simultaneously and on same screen (e.g., multiscreen) : Picture in picture : Memory : Different mode during vertical blanking)

Patent 5331350: Image processing apparatus and method using time base modulation to give motion to an arbitrary image
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Color change type)

Patent 5331351: Wide-screen picture indication signal detector for a television receiver
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : Multimode (e.g., composite, Y, C; baseband RF) : Format detection : Color processing)

Patent 5331352: Contrast control wherein reference pulse detection occurs every other line period and wherein clamping occurs in remaining line periods
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Gray scale transformation : Automatic range control (e.g., AGC, automatic contrast control) : Sync or blanking : Selects or blends two or more separated signals to derive output)

Patent 5331353: Device for limiting the amount of time an electrical appliance such as a television may be used
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : ACCESS CONTROL OR BLOCKING : Time dependent (e.g., time spent viewing program, time of day, etc.) : Combined with detecting VCR operation)

Patent 5331354: Power supply apparatus for television receiver set and television receiver set including the same
(TELEVISION : RECEIVER CIRCUITRY : Power supply : Color television)

Patent 5331355: Plastic frame for eyeglasses
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Methods of use)

Patent 5331356: Portable spectacles
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Methods of use)

Patent 5331357: Illumination assembly
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Combined : Neck retainers)

Patent 5331358: Vision testing system for testing the sight function of a patient
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Subjective type : With light polarzing lens : Removably attachable to eye glass frame)

Patent 5331359: Method for creating and storing a theatrical design and apparatus for implementing same
(OPTICS: IMAGE PROJECTORS : PROJECTED IMAGE COMBINED WITH REAL OBJECT : Plural picture rows on single microcard)

Patent 5331360: Adaptor for overhead projector
(OPTICS: IMAGE PROJECTORS : FILM GATE : And lens support : Dissolve type)

Patent 5331361: Synchronized filter device
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having exposure synchronizer : Multiple illumination units for single exposure : And reflector or refractor)

Patent 5331362: Photographic camera with flash unit capable of changing illumination angle and separation from taking lens
(PHOTOGRAPHY : FLASH SYSTEM RESPONSIVE TO FOCAL LENGTH OR DISTANCE : Illumination angle responds to focal length or distance : And means to move film)

Patent 5331363: Photographic camera with switchable film masking mechanism
(PHOTOGRAPHY : VARIABLE FRAME MASKING : Having wide aspect ratio : Having release actuator on support)

Patent 5331364: Apparatus for diluting and mixing chemicals and automatically feeding the diluted chemicals to a photographic processor on demand
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having fluid-circulating means : Having electrical circuit : Plural stations)

Patent 5331365: Camera shaking detection apparatus
(PHOTOGRAPHY : EYE TRACKING : Including film processing tank)

Patent 5331366: Camera
(PHOTOGRAPHY : EXPOSURE CONTROL CIRCUIT : Bracketing : Plural blades)

Patent 5331367: Camera system having power zoom lens
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Automatic change of focal length : Motorized lens displacement)

Patent 5331368: Photomicrographic apparatus
(PHOTOGRAPHY : EXPOSURE CONTROL CIRCUIT : Shutter speed function only : Stepping motor type)

Patent 5331369: Method of forming patterns and apparatus for carrying out the same
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)

Patent 5331370: Method and apparatus for determining a feature-forming variant of a lithographic system
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)

Patent 5331371: Alignment and exposure method
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)

Patent 5331372: Process cartridge and image forming apparatus on which process cartridge is mountable
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Including cover : Toner cartridge)

Patent 5331373: Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Developer seal)

Patent 5331374: Image forming apparatus capable of opening a main body on one side
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Paper path access : New and waste toner container)

Patent 5331375: Image forming apparatus for writing a plurality of additional data on a single copy sheet
(ELECTROPHOTOGRAPHY : COMBINED WITH DIVERSE SUBJECT MATTER : With diverse image formation : Electrostatic : Light (e.g., laser, LED, LCD) : Composite image :)

Patent 5331376: System and method for editing a document image
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Exposure : Having image editing : Selectable area : Toner cartridge)

Patent 5331377: Toner supplement control device operative concurrent with image forming apparatus active status
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Toner : Misstrip of copy)

Patent 5331378: Toner cartridge with independent driven systems
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Developer seal)

Patent 5331379: Image forming apparatus capable of changing the surface potential of a photosensitive member
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Operator adjusted density : Of residual toner)

Patent 5331380: Copy reproduction holding and alignment layout apparatus
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Original : Holder : For continuous or fanfold paper)

Patent 5331381: Image forming apparatus having a toner replenishing container
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Supplying new toner : Auger)

Patent 5331382: Toner cartridge for image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Supplying new toner : Cartridge : Having internal rotary member : Including sample holder)

Patent 5331383: Conductive roller transfer device with improved transfer efficiency and pollution control
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Electrostatic : Roller or belt : Having belt transporting copy)

Patent 5331384: Fixing apparatus having temperature controller which controls temperature according to width size and number of recording sheets
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Responsive to copy media characteristic : Single detector for plural toners)

Patent 5331385: Fixing rotatable member having conductive parting layer and fixing apparatus using same
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Heated roller : Pressure rollers : Vacuum or pneumatic)

Patent 5331386: Recording sheet conveyance device for use with an image forming apparatus
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Job mode : User access)

Patent 5331387: Printing and binding apparatus
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Continuous (e.g., roll, fanfold) : Having cutting : Having cover)

Patent 5331388: Simple reliable counter assembly of reduced parts for a toner cartridge
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Toner : Misstrip of copy)

Patent 5331389: Image forming apparatus with sheet discharging device
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Delivering from transfer position : Having collating : Having intermediate storage)

Patent 5331390: Image forming equipment having a revolver type developing device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Plural diverse (e.g., color) : Plural applicators single position : Rotary type : Optical detector)

Patent 5331391: Method of determining the optical loss in reflected radiation in a fibre-optic light guide
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)

Patent 5331392: Method of identifying an optical cable
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)

Patent 5331393: Method and apparatus for locating a specific location on a vehicle headlamp
(OPTICS: MEASURING AND TESTING : LAMP BEAM DIRECTION OR PATTERN : With light attenuation)

Patent 5331394: Automated lensometer
(OPTICS: MEASURING AND TESTING : LENS OR REFLECTIVE IMAGE FORMER TESTING : With lamp focusing)

Patent 5331395: Device for aligning a laser leveling instrument along a building line
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Prism engaging specimen)

Patent 5331396: Foreign matter detection device
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Transparent or translucent material : Surface condition : Detection of an object or particle on surface : Contained)

Patent 5331397: Inner lead bonding inspecting method and inspection apparatus therefor
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Integrating spheres)

Patent 5331398: Apparatus for photometric analysis
(OPTICS: MEASURING AND TESTING : SAMPLE, SPECIMEN, OR STANDARD HOLDER OR SUPPORT (E.G., PLATES OR SLIDES) : Fluid containers (e.g., cells or cuvettes) : Light intensity)

Patent 5331399: Method for measuring and determining a rotation angle of a rotating object
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Spectroscopy : Having a rotating, pendulous, or wedge scanning element : With diffraction grating means)

Patent 5331400: Heterodyne interferometer arrangement
(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 5331401: Method and apparatus for controlling dither in a multiple gyro system
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : Lock-in prevention : Having dither signal control : Including an alternating reference path)

Patent 5331402: Dither signal remover for a dithered ring laser angular rate sensor utilizing an adaptive digital filter
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : Lock-in prevention : Having dither signal removal from output : Including an alternating reference path)

Patent 5331403: Pulsed diode ring laser gyroscope
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : For optical configuration)

Patent 5331404: Low noise fiber gyroscope system which includes excess noise subtraction
(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 5331405: Method and apparatus for measuring fibre flexibility
(OPTICS: MEASURING AND TESTING : DIMENSION : Focus)

Patent 5331406: Multi-beam laser sensor for semiconductor lead measurements
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Position transverse to viewing axis : Occulting a projected light beam : Moire)

Patent 5331407: Method and apparatus for detecting a circuit pattern
(OPTICS: MEASURING AND TESTING : BY CONFIGURATION COMPARISON : With comparison to master, desired shape, or reference voltage : For comparison with master or desired configuration)

Patent 5331408: On-line micro formation sensor
(OPTICS: MEASURING AND TESTING : BY MONITORING OF WEBS OR THREAD : Of containers)

Patent 5331409: Tunable diode laser gas analyzer
(OPTICS: MEASURING AND TESTING : FOR LIGHT TRANSMISSION OR ABSORPTION : Of fluent material : Gas : With plural detectors (e.g., simultaneous viewing))

Patent 5331410: Field effect transistor having a sandwiched channel layer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Field effect transistor : Having narrow energy band gap (<<1eV) layer (e.g., PbSnTe, HgCdTe, etc.))

Patent 5331411: Integrated circuit for processing digital signals in video camera having electronic zooming function
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Color television signal processing : receiver type)

Patent 5331412: Tamper resistant apparatus for a CATV system
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : ACCESS CONTROL OR BLOCKING : By passively monitoring receiver operation)

Patent 5331413: Adjustable control station with movable monitors and cameras for viewing systems in robotics and teleoperations
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Plural cameras : Motion detection)

Patent 5331414: Method and apparatus for encoding a digital motion video signal using pyramid specific filtering
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Including one conventional or compatible channel (e.g., two channel NTSC systems))

Patent 5331415: Noise reduction apparatus for reducing noise in an input video signal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Specified color (e.g., saturation and contrast control))

Patent 5331416: Methods for operating ghost-cancelation circuitry for TV receiver or video recorder
(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 5331417: System and method of displaying a plurality of digital video images
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Rotation)

Patent 5331419: Size display system for electronic camera
(TELEVISION : SPECIAL APPLICATIONS : Combined electronic sensing and photographic film cameras : Image magnifying)

Patent 5331420: Pixel signal non-uniformity correcting device
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Defective pixel (e.g., signal replacement) : Using dummy pixels)

Patent 5331421: Solid state image pickup apparatus
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With plural image scanning devices : With DC level control)

Patent 5331422: Video camera having an adaptive automatic iris control circuit
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Exposure control : Automatic control of iris, stop, or diaphragm : By analyzing high frequency component)

Patent 5331423: Disc player with an automatic initialization function
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using disc : Selective mode (e.g., still or motion))

Patent 5331424: Facsimile system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile memory monitoring : Composite image)

Patent 5331425: Image data encoding apparatus providing increased encoding efficiency with reduced dependency on image content
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Reduced time or bandwidth for static image communication : Condition based selection or control of image coding technique or communication arrangement : Transfer rate of an uncoded or decoded image : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5331426: Image encoding method
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Predictive coding : Checking spelling for recognition)

Patent 5331427: Image reproducing apparatus
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Adaptive coding (i.e., changes based upon history, activity, busyness, etc.) : Checking spelling for recognition)

Patent 5331428: Automatic offset and gain control in a document scanner
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Signal voltage or gain control : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5331429: Digital generation of halftone images with error diffusion and frequency matched periodic screen rulings
(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) : Dithering (e.g., spatial distribution of print elements by threshold matrix) : Ordered dithering (e.g., deterministic or systematic) : Dispersed pattern :)

Patent 5331430: Electronic high-fidelity screenless conversion system
(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) : Print element property varied to effect halftone pattern : Density of print element (e.g., multi-level halftone) :)

Patent 5331431: Method and apparatus for transmitting and receiving encoded data
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Text and image detection and processing : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5331432: Image forming apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Picture signal thresholding : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5331433: Image reader
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Carrier wave modulation)

Patent 5331434: Integral computer scanning system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Picture signal thresholding)

Patent 5331435: Digitizer for raster digitizing an image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile video : Stylus type)

Patent 5331436: Encoder and decoder
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Reduced time or bandwidth for static image communication : Condition based selection or control of image coding technique or communication arrangement : Communication error rate or level : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5331438: Method and apparatus for improving full color images using process black and printer black
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)

Patent 5331439: Apparatus and method for color transformation
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)

Patent 5331440: Color image processing method and apparatus capable of properly determining black quantity
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Black signal synthesis : With memory for storage of conversion data)

Patent 5331441: Color image reading apparatus having color correction coefficients
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : With memory for storage of conversion data)

Patent 5331442: Identification of graphic and character areas in color image processor
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : Sharpness emphasizing : With plural sensors)

Patent 5331443: Laser engraved verification hologram and associated methods
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Authentication :)

Patent 5331444: Moisture-insensitive holograms and method for making the same
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium :)

Patent 5331445: Increased Bragg angle sensitivity hologram system and method
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Holograph on curved substrate)

Patent 5331446: Liquid crystal optical element and a laser projection apparatus using polymer dispersed liquid crystal
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Exposure device for lithography)

Patent 5331447: TFT active matrix liquid crystal display devices with plural TFTs in parallel per pixel
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : Matrix including additional element (s) which correct or compensate for electrical fault : Two terminal nonlinear switching device (e.g., N-I-N, S-I-S, Ferroelectric, etc.))

Patent 5331448: Liquid crystal display device and preparation and use thereof
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Liquid crystal window : For protection)

Patent 5331449: Optical fiber tree and branch network for AM signal distribution
(OPTICAL COMMUNICATIONS : MULTIPLEX : Subcarrier multiplexing : Time and wavelength division)

Patent 5331450: Infrared transmitter and receiver and method
(OPTICAL COMMUNICATIONS : MULTIPLEX : Wavelength division or frequency division (e.g., Raman, Brillouin, etc.) : Different sources : Including pumping : Filter)

Patent 5331451: Optical time-division multiplexing
(OPTICAL COMMUNICATIONS : MULTIPLEX : Time division : Repeater)

Patent 5331452: Optical detector
(OPTICAL COMMUNICATIONS : RECEIVER : Including specific optical elements)

Patent 5331453: Millimeter wave fiber-optically linked antenna receiver device
(OPTICAL COMMUNICATIONS : RECEIVER : Heterodyne : Including feedback)

Patent 5331454: Low reset voltage process for DMD
(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 : Reflective element moved by deformable support : Having planar rotating reflector with rotation axis in its plane)

Patent 5331455: Electrical pulse operated laser sampling light amplifier
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Particular active medium (e.g., crystal, plasma, fluid, etc.) : Semiconductor : Fault detection)

Patent 5331456: Radiation microscope
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Beam combination or separation)

Patent 5331457: Stereomicroscope wherein the distance between a pair of beams remains unchanged when the magnification is changed
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : With plural optical axes : Plural oculars : Binocular : Stereoscopic : With single or parallel objectives :)

Patent 5331458: Compact specimen inspection station
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Stage or slide carrier : With plural transverse movements : Binocular)

Patent 5331459: Night vision system and mounting assembly
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Telescope : Binocular : Body supported or with handle : Extensible structure)

Patent 5331460: Optical rotation device
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : With relay : With prism or U-shaped optical path)

Patent 5331461: Rain hood assembly for exteriorly mounted rearview mirror
(OPTICAL: SYSTEMS AND ELEMENTS : PROTECTION FROM MOISTURE OR FOREIGN PARTICLE : Extension of tubular element adjustable)

Patent 5331462: Zoom lens having a long back focal length
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Three groups : + - - + Arrangement)

Patent 5331463: Wide angle zoom lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Three groups : + - - + Arrangement)

Patent 5331464: Zoom lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Two groups : + - + Arrangement)

Patent 5331465: Macro lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : With macro-type focusing : + - Arrangement)

Patent 5331466: Method and apparatus for homogenizing a collimated light beam
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Selective wavelength transmitting or blocking : With separate filter : Objective for laser (e.g., optical disc, etc.))

Patent 5331467: Reflex lens system having the antivibration function
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With reflecting element : Including concave or convex reflecting surface : Reflectors in series : With concave and convex reflectors in series : Auto focusing)

Patent 5331468: Intensity redistribution for exposure correction in an overfilled symmetrical laser printer
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With light limiting or controlling means : Multiple component lenses)

Patent 5331469: Precision linear actuator
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With axial adjustment (e.g., adjustable focus, etc.) : Electromagnetic or piezoelectric drive : Having a biconvex single element component)

Patent 5331470: Fast folded wide angle large reflective unobscured system
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : With successive reflections : Including curved mirror surfaces in series : With concave and convex mirrors in series : Sliding barrels)

Patent 5331471: Discrete mirror drive assembly
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : With support : Mirror movable relative to support : With rotary to linear motion converting mirror adjustment : With rotation of mirror about perpendicular axes : Sliding barrels)

Patent 5331472: Method and apparatus for measuring hair density
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL APERTURE OR TUBE, OR TRANSPARENT CLOSURE : With support or frame)

Patent 5331473: Controlled reflection viewing system
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL APERTURE OR TUBE, OR TRANSPARENT CLOSURE : With support or frame)

Patent 5331474: Editing apparatus and method in video tape duplicating system
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD EDITING : Motion picture film)

Patent 5331475: Electronic splicing operation control device for a four head type magnetic recording and/or reproducing apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Digital technique)

Patent 5331476: Apparatus and method for dynamically performing knowledge-based error recovery
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data verification : With incremental movement between record and head)

Patent 5331477: Low voltage, constant current magnetic transducer drive system for digital recording
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Thermomagnetic recording or transducers : With incremental movement between record and head)

Patent 5331478: Magnetoresistive head amplifier
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Specifics of the amplifier : Between heads in alternate engagement with medium)

Patent 5331479: Capacitor assisted low voltage write circuit
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Specifics of the amplifier : Recording amplifier :)

Patent 5331480: Dynamic tracking reproduction apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Elongated web carrier (i.e., tape) : Transverse scan path : Having head deflection drive (e.g., piezoelectric bimorph) : Dithering :)

Patent 5331481: Tape drive and winding mechanism for tape player/recorder
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)

Patent 5331482: Cam arrangement for cassette loading mechanism having reduced slippage
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)

Patent 5331483: Axially compact direct drive for storage disk hub
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Disk record : Rotating head)

Patent 5331484: Magnetic tape cassette apparatus having a control rod, switching transmitters, and a catch rod
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Plural reels : Container mounting details : With common capstan drive)

Patent 5331485: Auto-loading cartridge tape drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Plural reels : Container mounting details : With common capstan drive)

Patent 5331486: Disk unit with a device to divert leads from the head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Tape in container)

Patent 5331487: Direct access storage device with vapor phase lubricant system and a magnetic disk having a protective layer and immobile physically bonded
(STOCK MATERIAL OR MISCELLANEOUS ARTICLES : MAGNETIC RECORDING COMPONENT OR STOCK : Thin film media : Single magnetic layer with plural overcoat layers : Polymeric underlayer (e.g., polymeric adhesion layer, plasma polymerized carbon, etc.))

Patent 5331488: Fixed hard disk drive having a removable integrated disc stack structure
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Plural disks : Seating of disks : Mechanical detail)

Patent 5331489: Gimbal for a flexure for top-terminated heads
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Gimbal detail : Plural axis components : Pivot/load button detail)

Patent 5331490: Tape head fine positioning system for a tape backup drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For adjusting head position : Tape record : Screw adjuster : Contact type transformer)

Patent 5331491: High-density magnetic recording and reproducing head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Disk record)

Patent 5331492: Magnetic disk system having a magnetoresistive head provided therein
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Detail of sense conductor : In horizontal head configuration)

Patent 5331493: Bidirectional thin-film magnetoresistive tape head assembly
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having multiple independent MR sensors : Plural actuators)

Patent 5331494: Head core slider for rigid magnetic disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Head attachment to slider : Motorized)

Patent 5331495: Thin film magnetic head and methods for producing same
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)

Patent 5331496: Thin-film magnetic transducer with a multitude of magnetic flux interactions
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)

Patent 5331497: Thin film magnetic head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)

Patent 5331498: Tape cassette including a locking slider
(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 particular housing construction : Shiftable closure (e.g., door) : Spool or coil engaging)

Patent 5331499: Installable write-protect button for floppy disk
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)

Patent 5331500: Circuit breaker comprising a card interfacing with a trip device
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : Rating plug : Protection for thyristor)

Patent 5331501: Electrical switching apparatus with digital trip unit and memory reset
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : With time delay protective means : Protection for thyristor)

Patent 5331502: Static charge eliminator for protection of electronic gasoline pumps and teller machines
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : DISCHARGING OR PREVENTING ACCUMULATION OF ELECTRIC CHARGE (E.G., STATIC ELECTRICITY) : For relays or solenoids)

Patent 5331503: Grounded magnetic device for removing static charges
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : DISCHARGING OR PREVENTING ACCUMULATION OF ELECTRIC CHARGE (E.G., STATIC ELECTRICITY) : Of paper or paper handling machine : Particular relay or solenoid)

Patent 5331504: Film capacitor and method for manufacturing the same
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Mechanically variable)

Patent 5331505: Multi-coplanar capacitor for electrical connector
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Details of electrical connection means (e.g., terminal or lead) : For multilayer capacitor : Rotary plates)

Patent 5331506: Electronic apparatus wherein components are detachably arranged in a housing having a recess with a sliding and clamping cover
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)

Patent 5331507: Clip for mounting a heat sink on an electronic device package
(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 5331508: Portable electronic apparatus having a removable keyboard unit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including keyboard support : Fluid)

Patent 5331509: Modular notebook computer having a planar array of module bays and a pivotally attached flat-panel display
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Input/output device support : Disk drive support)

Patent 5331510: Electronic equipment and computer with heat pipe
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : With cold plate or heat sink : Change of physical state)

Patent 5331511: Electrically and thermally enhanced integrated-circuit package
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : Through support means : Electrically insulating thermally conductive : Cooling plate or bar)

Patent 5331512: Surface-mount LED
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With lock or interlock)

Patent 5331513: Method of mounting electronic part on circuit substrate and circuit substrate including electronic parts mounted thereon
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With lock or interlock)

Patent 5331514: Integrated-circuit package
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With lock or interlock)

Patent 5331515: Module with leads from multiple chips shorted together only at edge contact locations
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With lock or interlock)

Patent 5331516: Portable semiconductor apparatus
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Plural : With separable connector or socket means : With specific connection material)

Patent 5331517: Retrofit card file adapter assembly
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Plural : With housing or chassis : Plural dielectric layers)

Patent 5331518: Visor mirror cover assembly
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Automobile : Interior : Sun visor or vanity mirror : Through link and lever transmission means)

Patent 5331519: Aiming mechanism for vehicle lamps
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Adjustable lamp or lamp support : Manually operable (e.g., remote manual actuation) : Plural or diverse motion : Having ball and socket mechanism)

Patent 5331520: Headlights for motor vehicles
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Tie rod element controlled)

Patent 5331521: Motor vehicle headlamp fitted with improved fixing means
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Specific lamp mounting or retaining : Including specific light bulb mounting)

Patent 5331522: Signalling light mounted on a back shelf of a motor vehicle
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Automobile : Windshield or window : Turn signal indicator)

Patent 5331523: Gas dispensing flashlight apparatus
(ILLUMINATION : WITH FLUID DISTRIBUTER : With door-controlled switch)

Patent 5331524: Umbrella with lighting device
(ILLUMINATION : WITH CANE, BATON, UMBRELLA OR CLUB : Notepad)

Patent 5331525: Low profile sun visor system with remote lighting
(ILLUMINATION : WITH VIEWING MIRROR : With plural light sources or diverse light modifiers : Adjustable)

Patent 5331526: Device for lighting and suspension of a hanging-rod and modular assembly for lighting and suspension of hanging-rods
(ILLUMINATION : WITH STATIC STRUCTURE : Wall or ceiling : Repositionable as a unit)

Patent 5331527: Decorative outdoor light
(ILLUMINATION : WITH STATIC STRUCTURE : Pavement : Subceiling)

Patent 5331528: Flashlight
(ILLUMINATION : SELF POWERED LAMP : Cylindrical flashlight casing : With switch : Tube structure)

Patent 5331529: Electrical lamp base system
(ILLUMINATION : QUICK DISCONNECT-TYPE LIGHT UNIT : Particular engagement : Push to engage : Ornamental or decorative : Christmas light : Through link and lever transmission means)

Patent 5331530: Operating theatre lamp
(ILLUMINATION : LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER : Including selected wavelength modifier (e.g., filter) : Including nonparallel modifying surfaces)

Patent 5331531: Mounting arrangement for recessed lighting fixtures
(ILLUMINATION : HOUSING : Recessed : With mounting means : Hollow body open at both sides)

Patent 5331532: High voltage regulating circuit
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, separately-driven type : With automatic control of the magnitude of output voltage or current)

Patent 5331533: Zero voltage switching power converters
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, separately-driven type : With automatic control of the magnitude of output voltage or current)

Patent 5331534: Power supply apparatus
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, separately-driven type : With automatic control of the magnitude of output voltage or current)

Patent 5331535: Power conversion control apparatus
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including an A.C.-D.C.-A.C. converter : By semiconductor rectifier and inverter : Double-ended type (i.e., push-pull))

Patent 5331536: Low leakage high current transformer
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In rectifier systems : Diode : Grid-like electrode)

Patent 5331537: Method of controlling electric valves of a converter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In thyristor inverter systems : Bridge type : D.C. to plural phase : With commutation means : With plural control windings)

Patent 5331538: Mail processing system controller
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Plural processors : Parallel : Shared memory :)

Patent 5331539: Mailing machine including multiple channel pulse width modulated signal circuit
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Sequential or selective : Of analog controllers)

Patent 5331540: Symbol definition system and method a programmable machine controller
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Sequential or selective : Operator interface (e.g., display with control) : Specific programming (e.g., relay or ladder logic) : Clock-calendar (e.g., time of day))

 

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