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Patent 5157375: Electronic vehicle security system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Responsive to inertia, vibration, or tilt : Intersection turn guidance)
Patent 5157376: Method and device for monitoring direction indicator lights of a vehicle trailer
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Lamp or lamp circuit condition : Of service interval expiration)
Patent 5157377: Hood scoop assembly
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External signal light system : Acceleration or deceleration)
Patent 5157378: Integrated firefighter safety monitoring and alarm system
(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 : Vertical axis)
Patent 5157379: Method for monitoring a protective garment
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Radio)
Patent 5157380: Overheated electrical insulation detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Insulation : Thermal or magnetic current sensors)
Patent 5157381: Computer mouse
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Scaling)
Patent 5157382: Directional information conveying method and apparatus
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External signal light system : Turn signal : Portable signal)
Patent 5157383: Remote responsive system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Holdup : Specified device housing or attachment means)
Patent 5157384: Advanced user interface
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Animation)
Patent 5157385: Jagged-edge killer circuit for three-dimensional display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Anti-aliasing or image smoothing : Subpixel processing : Change in number of bits for a designated color (e.g., 4 bits to 8 bits, 8 bits to 4 bits))
Patent 5157386: Circuit for driving a liquid crystal display panel
(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 5157387: Method and apparatus for activating a liquid crystal display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Waveform generation : Redundancy (e.g., plural control elements or electrodes))
Patent 5157388: Method and apparatus for graphics data interpolation
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Translation : Averaging technique : Enlargement only)
Patent 5157389: Keyless vehicle lock system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Having indication of improper access : Rule based input)
Patent 5157390: Method for providing network service in a communication system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Addressing : Designated priority)
Patent 5157391: Apparatus and method for displaying a plurality of function indicators in a selective call receiver
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Message presentation : Display : Including graphics : Using additional record or carrier code)
Patent 5157392: Telemetry network for downhole multistation seismic recording tools
(COMMUNICATIONS: ELECTRICAL : WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.) : Including detail of subsurface signal storage (e.g., memory, recorder, register, etc.) : Control of drill bit or apparatus (e.g., steering, speed, etc.))
Patent 5157393: Communication system for transmitting data between a transmitting antenna utilizing leaky coaxial cable and a receive antenna in relative
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With particular transmitter (e.g., piezoelectric, dynamo) : Photoelectric cell pickup)
Patent 5157394: Data acquisition system with multiple simultaneous sample rates obtained from a single analog-to-digital converter
(CODED DATA GENERATION OR CONVERSION : SAMPLE AND HOLD : Trimming control circuits)
Patent 5157395: Variable decimation architecture for a delta-sigma analog-to-digital converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation) : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5157396: D/A conversion apparatus
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5157397: Quantizer and related method for improving linearity
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Parallel type :)
Patent 5157398: A/D convertor of the pipeline type having additional comparators for use in setting a specified reference voltage
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Acting sequentially : Including priority encoder)
Patent 5157399: Neural network quantizer
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Recirculating : Including priority encoder)
Patent 5157400: Automatic reference voltage controller of integral analog/digital converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Intermediate conversion to time interval : Single comparator and digital storage)
Patent 5157401: Jog detector
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR EW (ELECTRONIC WARFARE) : ECM (Electronic countermeasures, i.e., jamming) : Decoy or tow target)
Patent 5157402: Method and apparatus for calculating motional characteristics
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING VELOCITY : Receiver)
Patent 5157403: Noise correction in radars for diffuse targets
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING VELOCITY : Combined with determining distance : With plural receiver frequency band separation : Phase)
Patent 5157404: Phased arrays
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With electronic scanning : Controlled : Satellite selection (i.e., tracking or acquisition))
Patent 5157405: Hunting arrow tracking system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : With transmisson of bearing or position determinative signals : Mixing each antenna channel signal)
Patent 5157406: Radar apparatus
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Display : Scan conversion : Cursor)
Patent 5157407: Tracking antenna apparatus on vehicle for satellite communication
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including antenna orientation : With satellite signal correction)
Patent 5157408: Low probability of interception relative position determination system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : With transmisson of bearing or position determinative signals : Tacan : Decca)
Patent 5157409: Cam lock antenna mounting assembly
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body : Rod type :)
Patent 5157410: Adjustable cellular mobile communications antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body : Rod type :)
Patent 5157411: Recording head and a recording device utilizing the recording head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Array : Full-line array :)
Patent 5157412: Laser beam-induced color printing
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Multicolor : Having deflecting means)
Patent 5157413: Thermal inked ribbon printer mechanism
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Electroconductive recording means : Adjustable)
Patent 5157414: Thick film type thermal head and thermal recording device
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Specific resistance recording element type : Having auxiliary means for conducting heat : Using pulse width modulation)
Patent 5157415: Stationary thermal printer for using detachable cassette
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Recording means engaging or holding means : By history of recording elements)
Patent 5157416: Laser scanner protecting mechanism
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Housing or mounting : Having deflector)
Patent 5157417: Printing apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Tone marking : By clock deviation)
Patent 5157418: Ink jet recording head with through-hole wiring connector
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Drive signal application : Wiring :)
Patent 5157419: Recording head substrate having a functional element connected to an electrothermal transducer by a layer of a material used in a heater
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Drive signal application : Wiring : Integrated :)
Patent 5157420: Ink jet recording head having reduced manufacturing steps
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : With oscillatory motion)
Patent 5157421: Ink cartridge
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : Drop correction)
Patent 5157422: Solid imaging member with matrix of connected photoelectric conversion devices, providing exposure surface, and charge storage devices,
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Having selection of area to be charged : Alignment or tensioning)
Patent 5157423: Apparatus for pattern generation on a dielectric substrate
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : By information carrying flow of invisible charged particles : Single head using light as exposure means)
Patent 5157424: Method and apparatus for manufacturing tamper-resistant identification cards
(RECORDERS : LIGHT OR BEAM RECORDING : Including camera : With coordinated marking)
Patent 5157425: Eyeglass retainer having friction increasing means
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With support or holder (e.g., on hat or cap) : With head embracing bow or chain : With clamping arms)
Patent 5157426: False color viewing device
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : With light filtering means : Hydrophilic)
Patent 5157427: Objective refractor
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Of abnormal muscular functioning)
Patent 5157428: Spectral division of reflected light in complex optical diagnostic and therapeutic systems
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including eye photography :)
Patent 5157429: Lens shutter camera including zoom lens
(PHOTOGRAPHY : FLASH SYSTEM RESPONSIVE TO FOCAL LENGTH OR DISTANCE : Illumination angle responds to focal length or distance : And means to move film)
Patent 5157430: Supporting apparatus of optical element
(PHOTOGRAPHY : WITH VIEWFINDER : Rear plates replaceable)
Patent 5157431: Interchangeable-lens type camera system
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Having focus operation : Including focus/distance detecting circuit : Plural tanks)
Patent 5157432: Camera having a zoom lens unit
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Having focus operation : Including focus/distance detecting circuit : And focal length responsive memory : Operating on rolled material)
Patent 5157433: Method and apparatus for controlling continuous photography
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Lens resetting : Having position sensor)
Patent 5157434: Autofocusing system for camera
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Having focus operation : Including focus/distance detecting circuit : And focal length responsive memory : Operating on rolled material)
Patent 5157435: Automatic focusing apparatus for a video camera and the method thereof
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : With electronic filtering : With mechanical rangefinder)
Patent 5157436: Apparatus for making a color proof
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : With developing : Book page copying)
Patent 5157437: Apparatus and method for checking coincidence between frame specification data and an actual frame of an auto-printer
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Including photocell : Including)
Patent 5157438: Workpiece support and clamping means
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for photosensitive paper : Including shutter, diaphragm, polarizer or filter)
Patent 5157439: Film processing apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : With developing : And film severing :)
Patent 5157440: Toner density sensing device for image forming equipment
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Densitometer detail : Temperature control)
Patent 5157441: Dark decay control system utilizing two electrostatic voltmeters
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Color balance : Of overlapped toner images : By concentration detector)
Patent 5157442: Image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Sleeve : Having stationary magnet)
Patent 5157443: Moving belt liquid development method and device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Applicator speed : Bias voltage)
Patent 5157444: Apparatus for controlling the lateral shifting of an endless belt by detecting belt position
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Continuous web : Cleaning member)
Patent 5157445: Fixing device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : Offset prevention : Parting agent applicator : Retractable)
Patent 5157446: Heating apparatus with a film having high and low electrical resistance layers
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Continuous web : Cleaning member)
Patent 5157447: Method and apparatus for preheating and pressure-fixing a toner image
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Heated roller : Pressure rollers : Vacuum or pneumatic)
Patent 5157448: Automatic copier or printer paper tray lock
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Copy medium supply : Misstrip of copy)
Patent 5157449: Method and device for xerographic printing
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Feeding to transfer position : In registration with image : Skew correction : Cyclically (e.g., with movement of copy))
Patent 5157450: Apparatus for reversely turning copied sheets for a copying machine
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Delivering from transfer position : Discharge of copy (e.g., exit tray) : Having intermediate storage)
Patent 5157451: Laser imaging and ranging system using two cameras
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having pulse transmission trigger significance : Including a displayed image)
Patent 5157452: Method and apparatus for liquid content detection with refractive index and temperature signal mixing
(OPTICS: MEASURING AND TESTING : REFRACTION TESTING (E.G., REFRACTOMETERS) : Optical center, cylinder axis, or prism measuring or determining)
Patent 5157453: Liquid content detecting device for alcohol regular gasoline and premium gasoline fuel mixture
(OPTICS: MEASURING AND TESTING : REFRACTION TESTING (E.G., REFRACTOMETERS) : Optical center, cylinder axis, or prism measuring or determining)
Patent 5157454: Differential refractometer
(OPTICS: MEASURING AND TESTING : REFRACTION TESTING (E.G., REFRACTOMETERS) : Differential : Deflecting or interrupting optical path)
Patent 5157455: Apparatus for the calibration and quality control of a spectrophotometer
(OPTICS: MEASURING AND TESTING : STANDARD : Surface standard : Light intensity : On patterned or topographical surface (e.g., wafer, mask, circuit board))
Patent 5157456: Double monochromator
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With monochromator structure : Having adjustable color or bandwidth : In a double monochromator : Including an alternating reference path)
Patent 5157457: Calorimetric fiber optic chemical sensor
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Using fiber or waveguide interferometer : Resonant cavity : By dithering (suspensions, drives, flexures))
Patent 5157458: Polarization interferometer spectrometer
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Spectroscopy : Polarization : With diffraction grating means)
Patent 5157459: Wave front aberration measuring apparatus
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having shearing : Having Schlieren effect)
Patent 5157460: Method and apparatus for measuring rotary speed using polarized light
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : With birefringent element : Having Schlieren effect)
Patent 5157461: Interface configuration for rate sensor apparatus
(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) : Multi-axis (X-Y-Z) having multiplexing : Including an alternating reference path)
Patent 5157462: Split-gain multimode ring laser gyroscope output optics detection system
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : Four frequency, multi-oscillator, non-planar cavity : 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 5157463: Method for determining solder quality
(OPTICS: MEASURING AND TESTING : BY CONFIGURATION COMPARISON : With comparison to master, desired shape, or reference voltage : For comparison with master or desired configuration)
Patent 5157464: Apparatus for viewing
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : With registration indicia (e.g., scale))
Patent 5157465: Universal fiber-optic C.I.E. colorimeter
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : Tristimulus examination : For comparison with master or desired configuration)
Patent 5157466: Grain boundary junctions in high temperature superconductor films
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) : Tunneling through region of reduced conductivity : Josephson : Particular electrode material : High temperature (i.e., >30o Kelvin) : Si x Ge 1-x)
Patent 5157467: Quantum interference device and method for processing electron waves utilizing real space transfer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) : Heterojunction : Quantum well : Field effect device : With specified semiconductor materials)
Patent 5157468: Light emitting diode resistant to change in operating temperature
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : With reflector, opaque mask, or optical element (e.g., lens, optical fiber, index of refraction matching layer, luminescent material layer, filter) integral with device or device enclosure or package : Plural heterojunctions in same device)
Patent 5157469: Field effect transistor having a multilayer interconnection layer therein with tapered sidewall insulators
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Capacitor coupled to, or forms gate of, insulated gate field effect transistor (e.g., non-destructive readout dynamic memory cell structure) : With shield, filter, or lens)
Patent 5157470: Thin film transistor, manufacturing method thereof and matrix circuit board and image display device each using the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : NON-SINGLE CRYSTAL, OR RECRYSTALLIZED, SEMICONDUCTOR MATERIAL FORMS PART OF ACTIVE JUNCTION (INCLUDING FIELD-INDUCED ACTIVE JUNCTION) : Amorphous semiconductor material : Field effect device in amorphous semiconductor material : In array having structure for use as imager or display, or with transparent electrode : High temperature (i.e., >30o Kelvin))
Patent 5157471: Semiconductor non-volatile memory device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : Multiple insulator layers (e.g., MNOS structure) : With means to facilitate light erasure)
Patent 5157472: Semiconductor acceleration sensor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Physical deformation : Strain sensors : Polysilicon laminated with silicide)
Patent 5157473: Avalanche photodiode having guard ring
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Electromagnetic or particle radiation : Light : Avalanche junction : Antireflection coating)
Patent 5157474: Static memory
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : Overlapping gate electrodes)
Patent 5157475: Semiconductor device having a particular conductive lead structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Wire contact, lead, or bond : With adhesive means)
Patent 5157476: Tape carrier having improved test pads
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : On insulating carrier other than a printed circuit board : Details of insulating layer electrical charge (e.g., negative insulator layer charge))
Patent 5157477: Matched impedance vertical conductors in multilevel dielectric laminated wiring
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Layered : Multiple metal levels on semiconductor, separated by insulating layer (e.g., multiple level metallization for integrated circuit) : Silicide of refractory or platinum group metal)
Patent 5157478: Tape automated bonding packaged semiconductor device incorporating a heat sink
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : ENCAPSULATED : With heat sink embedded in encapsulant : Including glass)
Patent 5157479: Semiconductor device being capable of improving the packing density with a high heat radiation characteristics
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : For high frequency (e.g., microwave) device : With electrical isolation means)
Patent 5157480: Semiconductor device having dual electrical contact sites
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With contact or lead : With particular lead geometry : External connection to housing : Polyimide or polyamide)
Patent 5157481: Registration and contour correction circuit and method for solid-state camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With plural image scanning devices : Color imagery registration : With bias illumination)
Patent 5157482: Use of pre-scanned low resolution imagery data for synchronizing application of respective scene balance mapping mechanisms during high
(TELEVISION : SPECIAL APPLICATIONS : Film, disc or card scanning : Motion picture film scanner : Alignment or positioning)
Patent 5157483: Multicolor image forming method and apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color separation : Solid-state)
Patent 5157484: Single camera autosteroscopic imaging system
(TELEVISION : STEREOSCOPIC : Picture signal generator : Single camera from multiple positions : More than two cameras)
Patent 5157485: Video spin art machine
(TELEVISION : SPECIAL APPLICATIONS : Stereoscopic display device)
Patent 5157486: High resolution camera sensor having a linear pixel array
(TELEVISION : SPECIAL APPLICATIONS : Manufacturing : Position detection : Color TV)
Patent 5157487: Distance information obtaining device
(TELEVISION : SPECIAL APPLICATIONS : Object or scene measurement : Projected scale on object : Including line to line comparison)
Patent 5157488: Adaptive quantization within the JPEG sequential mode
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Quantization : Feed forward :)
Patent 5157489: Apparatus and method for reducing quantizing distortion
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Including one conventional or compatible channel (e.g., two channel NTSC systems))
Patent 5157490: Television signal scanning line converting apparatus
(TELEVISION : FORMAT CONVERSION : Changing number of lines for standard conversion : Frequency change of subcarrier)
Patent 5157491: Method and apparatus for video broadcasting and teleconferencing
(TELEVISION : TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE) : Conferencing (e.g., loop) :)
Patent 5157492: Sync validity detecting utilizing a microcomputer
(TELEVISION : SYNCHRONIZATION : Sync separation : Field or frame identification : Color television)
Patent 5157493: Synch responsive agc utilizing A-D converter
(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 5157494: Apparatus and method for combining video signals to provide an output signal with full field coverage
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : For display of additional information : Simultaneously and on same screen (e.g., multiscreen) : Color processing)
Patent 5157495: Multi-mode video standard selection circuit and selection method
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Switching : Composite color signal)
Patent 5157496: Portable television receiver equipped with remote controller
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : OPERATOR INTERFACE : To facilitate tuning or selection of video signal : Channel guide (i.e., channel-specific as opposed to program-specific guide) : Provided on recordable medium)
Patent 5157497: Method and apparatus for detecting and compensating for white shading errors in a digitized video signal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Blackspot or shading correction (e.g., corrects for fixed pattern defects) : Complementary system (e.g., preemphasis - deemphasis))
Patent 5157498: Image sensing device with non-linear converting means
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Moving reflector)
Patent 5157499: High-speed video camera using solid-state image sensor
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Cathode-ray tube)
Patent 5157500: Amplifier-return-driven CCD offset control for scanning arrays
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Using distinct luminance image sensor)
Patent 5157501: Blooming measuring method for solid state image pick-up device, and apparatus suitable for the measuring
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Cathode-ray tube)
Patent 5157502: Solid-state imaging device with continuously adjusted discharging in the high shutter speed range
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Electronic shuttering : Frequency separable signals)
Patent 5157503: Near-infinity image display system
(TELEVISION : VIDEO DISPLAY : Projection device : Cathode-ray tube image source : With optical element : Mirror arrangement : Concave mirror :)
Patent 5157504: Copy cassette supplying apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5157505: Apparatus for and method of image recording and reading, apparatus for and method of image recording, and apparatus for and method of image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5157506: Standardized color calibration of electronic imagery
(IMAGE ANALYSIS : COLOR IMAGE PROCESSING : Color correction : Alphanumerics)
Patent 5157507: Image forming apparatus that discriminates an image portion and a character portion
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Electrostatic or electrolytic : Document feed)
Patent 5157508: Television signal equipment assignment matrix including passive switching
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Editing : Using static memory or delay means)
Patent 5157509: Information signal recording apparatus performing a cueing function
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Track searching : Numerical code)
Patent 5157510: Method and apparatus for disabling anti-copy protection system in video signals using pulse narrowing
(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 5157511: Image control apparatus for providing an index number to a video reproducer to cause the reproducer to search for and to reproduce a
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Having auxiliary dynamic memory means)
Patent 5157512: Video tape recorder having built-in camera detachable hand grip member
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Including television camera : Housing or mounting : Crosstalk)
Patent 5157513: Circuit and method for reducing the timebase correction requirements of an optical videodisc player in scan mode
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Time (e.g., phase or frequency) correction : Using recorded reference (e.g., pilot signal) : By controlling speed of record medium)
Patent 5157514: Data communication apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile relay system : Composite image)
Patent 5157515: Image reading apparatus using a plurality of phase excitation modes
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Synchronization : Phase or speed regulation : Halftone screening)
Patent 5157516: Method of incorporating a scanned image into a page layout
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Picture size conversion : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5157517: Parallel interpolator for high speed digital image enlargement
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Image editing : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5157518: Image data control system for image reading equipment
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Shade correction : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5157519: Serial computer peripheral for facsimile image and ascii text communication
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Coded character : Carrier wave modulation)
Patent 5157520: Device for transporting documents
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Document feed : Scanning element moves relative to a flat stationary document)
Patent 5157521: Both-surface transmitting facsimile utilizing one CIS
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Document feed : Scanning element moves relative to a flat stationary document)
Patent 5157522: Method and apparatus for providing correction of hologon transmission efficiency variations
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Scanner : Flat rotating disk :)
Patent 5157523: Projection type liquid crystal display unit including orthogonal phase plates
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Plural light path projectors :)
Patent 5157524: Apparatus and method for displaying levels of greys on a matrix type display screen
(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 : Split pixels : With particular pretilt angle (i.e., with liquid crystal other than chiral smectic))
Patent 5157525: Control of liquid crystal display visual properties to compensate for variation in the characteristics of the liquid crystal
(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) : Resistor-diode arrangement)
Patent 5157526: Unabsorbing type polarizer, method for manufacturing the same, polarized light source using the same, and apparatus for liquid crystal display
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Polarizer : Formed by particular technique)
Patent 5157527: Device comprising a color filter and top coat
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Filter : Color filter : For supertwisted nematic liquid crystal)
Patent 5157528: Devices and process for producing microfilm and microfiche records
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Optical excitation : With photoconductive layer (e.g., spatial light modulator(SLMs)) : Wherein liquid crystal cells include microencapsulated or polymer dispersed liquid crystal)
Patent 5157529: Display device having wavelength-dependent birefringence compensation
(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) : Cholesteric reflector)
Patent 5157530: Optical fiber system
(OPTICAL COMMUNICATIONS : MULTIPLEX : Wavelength division or frequency division (e.g., Raman, Brillouin, etc.) : Multiple Access (e.g., CDMA))
Patent 5157531: Hybrid transmission network
(OPTICAL COMMUNICATIONS : OPTICAL TRANSCEIVER : Specific transducer)
Patent 5157532: Post-objective type optical scanner
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Logic gate)
Patent 5157533: Multi-beam optical system
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Utilizing plural light beams : Having a common axis of rotation)
Patent 5157534: Optical scanner
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Including reflective type moving element : Having moving prism)
Patent 5157535: Monolithic optical scanner
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Including reflective type moving element : Having multifaceted rotating element : Single plane mirror element)
Patent 5157536: Optical apparatus having spring holding means for lenses
(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 : With facets parallel to rotation axis : With imaging lens)
Patent 5157537: Distributed resonant cavity light beam modulator
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Opto-optical device)
Patent 5157538: Silicon spatial light modulator
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Opto-optical device)
Patent 5157539: Multi-element electrooptic modulators with crystal axes oriented obliquely to direction of electric field
(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 : With particular direction of the field in relation to the medium, beam direction or polarization : Semiconductor)
Patent 5157540: Electrochromic display device with improved absorption spectrum and method of producing it
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Electrochromic : Reflection-type (e.g., display device) : Particular electrochromic layer structure :)
Patent 5157541: Optical article for reflection modulation
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Amplitude modulation : Transmission-type (e.g., windows))
Patent 5157542: Optical FM modulation system
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Frequency modulation : Within display element)
Patent 5157543: Optical beam deflector
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) : By changing physical characteristics (e.g., shape, size or contours) of an optical element)
Patent 5157544: Waveguide optical element and its driving method
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Particular active medium (e.g., crystal, plasma, fluid, etc.) : Semiconductor : Fault detection)
Patent 5157545: Laser amplifier chain
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Particular pumping type (e.g., electrical, optical, nuclear, magnetic, etc.) : Semiconductor)
Patent 5157546: Volume display system and method for inside-out viewing
(OPTICAL: SYSTEMS AND ELEMENTS : STEREOSCOPIC : Roll up screen)
Patent 5157547: Transparent coating having a medium refractivity
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT INTERFERENCE : Produced by coating or lamina : By transmissive coating on lens : Laminated or layered)
Patent 5157548: Optical device designed for the introduction of a collimated image into an observer's visual field and enbaling night vision
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Superimposing visual information on observer`s field of view (e.g., head-up arrangement, etc.) : Serially disposed along optic axis)
Patent 5157549: Automotive headup display apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Superimposing visual information on observer`s field of view (e.g., head-up arrangement, etc.) : With additional reflector (e.g., serial reflections, etc.) : Cylindrical lenslets)
Patent 5157550: Vari-focal lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Four groups : Cylindrical lenslets)
Patent 5157551: Mirror wiper apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : PROTECTION FROM MOISTURE OR FOREIGN PARTICLE : Fluid directed across optical element : With color filter)
Patent 5157552: Zoom lens system for a limited conjugate distance
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Three groups : + - + Arrangement : Having crossed axes)
Patent 5157553: Collimator for binocular viewing system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Afocal (e.g., Galilean telescopes, etc.) : Echelon (e.g., Fresnel lens, etc.))
Patent 5157554: Projecting lens unit
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : With temperature compensation or control : With third component biconvex)
Patent 5157555: Apparatus for adjustable correction of spherical aberration
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With axial adjustment (e.g., adjustable focus, etc.) : With multiple element component)
Patent 5157556: Primary reflector for a reflector telescope
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Including specified control or retention of the shape of a mirror surface : Including a plurality of adjustable mirror supports : Roof or roof-angle)
Patent 5157557: Multitrack system for PCM recording and playback of audio signals and supersonic waves
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : CONVERTING AN ANALOG SIGNAL TO DIGITAL FORM FOR RECORDING; REPRODUCING AND RECONVERTING : Frequency)
Patent 5157558: Video recording unit featuring switching logic means for generating phase shifting matrix groups
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Recorder or reproducer fault condition compensation : Noise reduction : Crosstalk : Disc)
Patent 5157559: Adjustable bandwidth differentiating amplifier for a magnetic disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Head amplifier circuit : Intra-cell transition)
Patent 5157560: Data recording and reproducing device designed to reduce power consumption
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Specifics of the amplifier)
Patent 5157561: Digital signal reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Synchronizing moving-head moving-record recorders : Recording amplifier)
Patent 5157562: High-speed magnetic tape transfer apparatus allowing use of a smaller capacity reel motor by assisting the high-speed transfer with a capston
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Speed : Linear carrier : Plural speed transport : Automatic change between fixed speeds :)
Patent 5157563: Magnetic recording and reproducing apparatus using an electromagnetic actuator for automatic tracking
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Elongated web carrier (i.e., tape) : Transverse scan path : Having head deflection drive (e.g., piezoelectric bimorph) : Plural pilot signals along single transverse path)
Patent 5157564: Storage module changer for a computer data storage drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Plural tapes : Tape in container : Drum)
Patent 5157565: Tape cassette loading mechanism
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Plural tapes : Tape in container : Drum)
Patent 5157566: Magnetic disk drive having a lock mechanism for preventing rotation of a disk spindle after the disk spindle is stopped
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Rotational drive detail : Motorized)
Patent 5157567: Composite disk drive head assembly having an improved core-to-slider bond
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Head attachment to slider : In slot of rail : With pivotal holder)
Patent 5157568: Floating type magnetic head device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Head attachment to slider : Motorized)
Patent 5157569: Thin film magnetic head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)
Patent 5157570: Magnetic pole configuration for high density thin film recording head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)
Patent 5157571: Circuit arrangement for protecting an input of an integrated circuit fed from a supply voltage source from overvoltages
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Load shunting by fault responsive means (e.g., crowbar circuit) : Prime mover control)
Patent 5157572: Apparatus suitable for use in protecting electrical installations from transients
(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 5157573: ESD protection circuit with segmented buffer transistor
(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 5157574: Overvoltage protector for rectifier/inverter bridges
(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 5157575: Circuit breaker failure relay system for power transmission line systems
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Feeder protection in distribution networks : With current responsive fault sensor : With more than two wires)
Patent 5157576: Composite electric part of stacked multi-layer structure
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Ceramic, glass, or oxide particles : With multilayer ceramic capacitor : With stabilizer or modifying substance)
Patent 5157577: Sealed electrical switchgear cabinet
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Cabinet-type housing : Thermal conduction)
Patent 5157578: Hybrid printed circuit board
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Plural : Having semiconductive device)
Patent 5157579: Heat flow detector for recessed incandescent fixtures
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Circuit interruption by thermal sensing : With mechanical circuit breaker)
Patent 5157580: Protective plug for connector banks of telecommunication and data systems
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Surge prevention (e.g., choke coil) : In communication systems : With multiple timing characteristics (e.g., short, long))
Patent 5157581: Conductive ceramics, conductors thereof and methods
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Ceramic, glass, or oxide particles : Composition : Composition)
Patent 5157582: Composite electronic part
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Ceramic, glass, or oxide particles : Ceramic and glass)
Patent 5157583: Series wound capacitive structure
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Multiple capacitors : Distinct physically : Oxide film)
Patent 5157584: Power distribution apparatus with "H" shaped bus bar arrangements
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Distribution or control panel board : Busbar or conductor arrangements : U-shaped member : Composition)
Patent 5157585: Compact AC-powerable portable computer having a CPU and expansion bay in an upper housing pivotally attached to a lower housing
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including keyboard support : Fluid)
Patent 5157586: Separator for electrolytic capacitors, and capacitors made therewith
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Fibrous or fabric (e.g., paper, etc.) : Oxide film)
Patent 5157587: Sealing arrangement
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : For active solid state devices : Plural)
Patent 5157588: Semiconductor package and manufacture thereof
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : Stacked)
Patent 5157589: Mutliple lamination high density interconnect process and structure employing thermoplastic adhesives having sequentially decreasing T.sub.G '
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Plural : Plural contiguous boards : Plural dielectric layers : Circuit board mounted)
Patent 5157590: Mounting bracket for a programmable logic controller control module
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : Support brackets : With protective device or unit)
Patent 5157591: Attachable auxiliary vehicle lighting system
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Portable : Baggage rack)
Patent 5157592: DC-DC converter with adaptive zero-voltage switching
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Bridge type : Including plural anode/single cathode device)
Patent 5157593: Constant frequency resonant dc/dc converter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Bridge type : Including plural anode/single cathode device)
Patent 5157594: Temperature-based inverter control system
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With means to introduce or eliminate frequency components : In inverter systems : By pulse modulation technique (e.g., PWM, PPM, etc.) : With automatic control of the magnitude of output voltage or current)
Patent 5157595: Distributed logic control system and method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Plural processors : Including sequence or logic processor : Shared memory)
Patent 5157596: Adaptive noise cancellation in a closed loop control system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Having particular compensation or stabilization feature : Filtering : Proportional-Integral-Derivative (P-I-D))
Patent 5157597: Method of detecting oscillation of a servo system and automatically adjusting speed loop gain thereof
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Specific criteria of system performance : Gain (e.g., tuning) : Economic (e.g., cost))
Patent 5157598: Rough machining NC data creation method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Having preparation of program : Positional (e.g., joystick))
Patent 5157599: Serial data communication system and apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Carrier wave modulation)
Patent 5157600: System for numerical description of computer program logic
(DATA PROCESSING: SOFTWARE DEVELOPMENT, INSTALLATION, AND MANAGEMENT : SOFTWARE PROGRAM DEVELOPMENT TOOL (E.G., INTEGRATED CASE TOOL OR STAND-ALONE DEVELOPMENT TOOL) : Code generation : Component based : Distributed)
Patent 5157601: Method for estimating body alcohol concentration
(SURGERY : DIAGNOSTIC TESTING :)
Patent 5157602: Apparatus and method for generating number sets
(AMUSEMENT DEVICES: GAMES : INCLUDING MEANS FOR PROCESSING ELECTRONIC DATA (E.G., COMPUTER/VIDEO GAME, ETC.) : In a chance application : Lot generator (e.g., card distribution, simulated dice, random number generator, etc.) : Plural lots (e.g., keno, etc.))
Patent 5157603: Control system for ophthalmic surgical instruments
(SURGERY : INSTRUMENTS : Light application : Ophthalmic :)
Patent 5157604: Heart rate monitoring system for plural persons using radio telemetry
(SURGERY : DIAGNOSTIC TESTING : Cardiovascular : Heart : By detecting volume of body portion)
Patent 5157605: Induction logging method and apparatus including means for combining on-phase and quadrature components of signals received at varying
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Earth science : Well logging or borehole study : By induction or resistivity logging tool :)
Patent 5157606: System for translation of source language data into multiple target language data including means to prevent premature termination of
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : LINGUISTICS : Translation machine :)
Patent 5157607: Control and method for controlling AMT system including in-gear fault detection and tolerance
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Transmission control : Fail-safe control (e.g., preventing a gear shift) : Feedback control (e.g., closed loop))
Patent 5157608: Electronic control system for multiple ratio transmission including circuit pressure control
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Transmission control : Adaptive control : Having a plurality of preset maps, schedules, or patterns)
Patent 5157609: Method and apparatus for controlling an automatically shifting transmission
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Transmission control : By changing shift map, schedule, or pattern : Having a plurality of preset maps, schedules, or patterns : Inner/outer loop)
Patent 5157610: System and method of load sharing control for automobile
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle diagnosis or maintenance indication : Vehicle or device ID : Modification or correction of route information)
Patent 5157611: Traction control system for four-wheel steerable vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Antispin, traction control, or drive slip control : Having particular slip threshold, target slip ratio, or target engine torque determining means : Having fuel cutting or ignition timing retarding)
Patent 5157612: Anti-lock control method and apparatus for vehicles
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Antiskid, antilock, or brake slip control : Having particular means to determine a reference value for wheel slippage or pseudo-vehicle speed : Using a transmission ratio as feedback control)
Patent 5157613: Adaptive control system for an engine
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : With indicator or control of power plant (e.g., performance) : Internal-combustion engine : Digital or programmed data processor : Vibration, roughness, knock : Detection of O2 concentration)
Patent 5157614: On-board navigation system capable of switching from music storage medium to map storage medium
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Determining balance or center of gravity (e.g., load distribution of vehicle))
Patent 5157615: Aircraft traffic alert and collision avoidance device
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : RELATIVE LOCATION : Collision avoidance : With radar or optical ground scanner)
Patent 5157616: Method for filling the valve quantity memory of a franking machine
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : FOR COST/PRICE : Postage meter system : Recharging : With paper check handling)
Patent 5157617: Assembling apparatus including means for matching coded sheets
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Article handling : Associating or disassociating plural articles : Collating or sorting : Having an identification code)
Patent 5157618: Programmable tiles
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Routing (e.g., routing map, netlisting) : PLA, PLD, FPGA, OR MCM : Timing analysis (e.g., delay time, path delay, latch timing))
Patent 5157619: Abnormal thermal loading effects monitoring system
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Mechanical measurement system : Force or torque measurement : Stress or strain measurement : Torsional, shear, tensile, or compression : Hydrocarbon prospecting)
Patent 5157620: Method for simulating a logic system
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : SIMULATING ELECTRONIC DEVICE OR ELECTRICAL SYSTEM : Circuit simulation : Including logic : Event-driven :)
Patent 5157621: Circuit and method for forming pulse train output in response to carry/borrow output of count pulse train
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Pulse repetition rate : Digital differential analyzer : Piece-wise linear synthesis)
Patent 5157622: Input-weighted transversal filter
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Transversal : Tone detection)
Patent 5157623: Digital filter with dynamically variable filter characteristics
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Recursive : Tone detection)
Patent 5157624: Machine method to perform newton iterations for reciprocal square roots
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Floating point : Reciprocal : Sticky bit)
Patent 5157625: Radiation resistant sram memory cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Flip-flop (electrical) : Nuclear induction or spin echo)
Patent 5157626: Semiconductor memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Reference signal (e.g., dummy cell) : Weak inversion injection)
Patent 5157627: Method and apparatus for setting desired signal level on storage element
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Semiconductive)
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