Patents 5272404 - 5272659

 

 

Patent 5272404: Miniature motor having a built-up commutator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Rotary structure : Commutators : Field-distortion)

Patent 5272405: Commutator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Rotary structure : Commutators : Cylindrical or drum : Multifrequency)

Patent 5272406: Miniature low-wattage neon light source
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH TEMPERATURE MODIFIER : Double wall, jacket or casing for envelope : Sealed casing for envelope : Flow directing means in casing)

Patent 5272407: Electric lamp having screens for reducing photo electron emission
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH TEMPERATURE MODIFIER : Double wall, jacket or casing for envelope : Sealed casing for envelope : Flow directing means in casing)

Patent 5272408: Lamp and reflector assembly
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE : Reflector : With integrant display electrode)

Patent 5272409: Capped lamp/reflector unit
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE : Reflector : With integrant display electrode)

Patent 5272410: Radiation-emitting panels and display assemblies
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE : Reflector : With integrant display electrode)

Patent 5272411: Coaxial triode apparatus
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGING DEVICES WITH APERTURED ELECTRODE (E.G., GRID) INTERPOSED BETWEEN TWO ELECTRODES : Plural interposed apertured electrodes : Electrode formed by coating on envelope)

Patent 5272412: Method for the production of extraction grids for ion generation and grids produced according to said method
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH POSITIVE OR NEGATIVE ION ACCELERATION : Plural apertured electrodes : Radiating type surface)

Patent 5272413: Flat panel display device and a method of making the same
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Vacuum-type tube : Phosphor on envelope wall)

Patent 5272414: Discharge element, method of producing the same and apparatus comprising the same
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Having particular electrode structure : Coil type)

Patent 5272415: Combustion ignitor
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : COMBINED LOAD DEVICE OR LOAD DEVICE TEMPERATURE MODIFYING MEANS AND ELECTRICAL CIRCUIT DEVICE STRUCTURE : Discharge device load : Discharge device and circuit impedance : Plural inductive impedances)

Patent 5272416: Headlight extender and intensifier
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : SPECIAL APPLICATION : Vehicle : Head light systems : Steering mechanism controlled)

Patent 5272417: Device for plasma process
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Plasma generating : Automatic cut-out or voltage regulator in the cathode or heater circuit)

Patent 5272418: Time enabled photosensing circuit
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH RADIANT ENERGY SENSITIVE CONTROL MEANS : Electric switch controlled by the radiant energy responsive device : Selective energization of the load devices)

Patent 5272419: Flat visible display device and method of forming a picture
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL POWER SUPPLIES : Plural cathode and/or anode load device : Diverse-type energizing or bias supplies to different electrodes : Simultaneous application to a load device)

Patent 5272420: Biasing system for reducing ion loss in lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD : Plural discharge device loads)

Patent 5272421: Digital image correction device
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Including color convergence control : Including specified signal storage (e.g., memory, register, etc.) : Device tunable)

Patent 5272422: Head equipment with articulated arm
(ELECTRICITY: MOTIVE POWER SYSTEMS : WITH PARTICULAR MOTOR-DRIVEN LOAD DEVICE : Manual driving means)

Patent 5272423: Velocity control method for a synchronous AC servo motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Power- or motion-transmitting mechanism)

Patent 5272424: Generating device of phase current instruction value for alternating current servomotor and the generating method thereof
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Power- or motion-transmitting mechanism)

Patent 5272425: A.C. motor control
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Frequency- or phase-modulated systems : Analogue comparison)

Patent 5272426: Control loop for motorized shutter operation
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular "error-detecting" means : Photoelectric or optical-type measuring instruments : A.C. networks)

Patent 5272427: Furnace control apparatus and method
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular motor control system responsive to the "actuating signal" : Discontinuous or "on-off" control : Contact resistance)

Patent 5272428: Fuzzy logic integrated control method and apparatus to improve motor efficiency
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Responsive to motor condition : Responsive to speed or rotation phase angle : With controlled power conversion : Including inverter : Responsive to an additional condition : With controlled a.c. to d.c. circuit in inverter supply :)

Patent 5272429: Air gap flux measurement using stator third harmonic voltage and uses
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Frequency control : With voltage magnitude control : With controlled magnetic reactance)

Patent 5272430: System for controlling an inverter through pulse width modulation
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Voltage control : With voltage pulse time control)

Patent 5272431: Automatic power connector for recharging electric vehicles
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Charging station for electrically powered vehicle : Employing "jumper" cable)

Patent 5272432: DAC current source with stabilizing bias
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : Including parallel paths (e.g., current mirror) : With additional stage)

Patent 5272433: Polarmetric electric field sensor with electro-optical crystal cut disposed to measure electric field direction
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Using radiant energy : Conductive field (e.g., mercury))

Patent 5272434: Method and apparatus for electro-optically testing circuits
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : System sensing fields adjacent device under test (DUT) : Using electron beam probe : Of reflected test signal)

Patent 5272435: Apparatus for timing aquatic craft for water skiing competition
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including "event" sensing means : Magnetic field sensor : Permanent magnet type)

Patent 5272436: Optical pumping, resonance magnetometer using a light beam with controlled polarization
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using optical pumping or sensing device : To determine direction)

Patent 5272437: RF coil system in a magnetic resonance imaging apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Electronic circuit elements : With homogeneity control)

Patent 5272438: Field test unit for circuit breaker
(ELECTRICITY: MEASURING AND TESTING : ELECTROMECHANICAL SWITCHING DEVICE : Circuit breaker : To evaluate contact response time)

Patent 5272439: Method and apparatus for the detection and location of faults and partial discharges in shielded cables
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : For fault location : By frequency sensitive or responsive detection : Using a particular sensing electrode)

Patent 5272440: Isolation monitors and measuring device for an electrical power system with isolated neutral
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : For fault location : By voltage or current measuring : Using a particular sensing electrode)

Patent 5272441: Transmission system solenoid controlled actuator fault detection system and method
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Winding or coil : For insulation fault)

Patent 5272442: Electrical feed-through bushing cavity insulation detector
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Insulation : Bushing : Field effect transistor)

Patent 5272443: Chatter and profile measuring using capacitor sensors
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : With variable distance between capacitor electrodes : To determine dimension (e.g., thickness or distance) : Differential bridge circuit)

Patent 5272444: Dielectric cross-plot water cut monitoring apparatus and method
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With object or substance characteristic determination using conductivity effects : To determine oil qualities : With a probe structure)

Patent 5272445: Resistance tester utilizing regulator circuits
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With comparison or difference circuit : Including a bridge circuit : Including corrosion or erosion)

Patent 5272446: Digitally implemented fast frequency estimator/demodulator for low bit rate maritime and mobile data communications without the use of an
(DEMODULATORS : PHASE SHIFT KEYING OR QUADRATURE AMPLITUDE DEMODULATOR : Including logic element (e.g., logic gate or flip-flop)

Patent 5272447: Demodulator and demodulation method for a digital phase modulated signal
(DEMODULATORS : PHASE SHIFT KEYING OR QUADRATURE AMPLITUDE DEMODULATOR : Including logic element (e.g., logic gate or flip-flop)

Patent 5272448: Method and apparatus to perform digital demodulation by measuring periods between zero crossings
(DEMODULATORS : PULSE OR INTERRUPTED CONTINUOUS WAVE DEMODULATOR : Pulse width demodulator : Including phase or frequency locked loop)

Patent 5272449: Vertical amplifier system for multitrace oscilloscope and method for calibrating the same
(AMPLIFIERS : WITH AMPLIFIER CONDITION INDICATING OR TESTING MEANS : With process control system)

Patent 5272450: DC feed network for wideband RF power amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including particular power supply circuitry : Having frequency-responsive means or phase-shift means in feedback path)

Patent 5272451: Clock reproducing circuit for eliminating an unnecessary spectrum
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Plural oscillators controlled :)

Patent 5272452: PLL frequency synthesizer with variable bandwidth loop filter
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Particular error voltage control (e.g., intergrating network) : Motor control of oscillator)

Patent 5272453: Method and apparatus for switching between gain curves of a voltage controlled oscillator
(OSCILLATORS : RING OSCILLATORS : Parallel connected)

Patent 5272454: Digital FM modulator using direct digital synthesizer
(MODULATORS : FREQUENCY MODULATOR : Pulse amplitude modulator)

Patent 5272455: Trunk cable coupling using non-linear elements
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : Plural balanced circuits)

Patent 5272456: High-frequency bias supply circuit
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Strip type : Including spaced, electrically compensated, internal support means)

Patent 5272457: High isolation integrated switch circuit
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Switch : Rotary coupling)

Patent 5272458: Solenoid actuator
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Plural magnets or flux sources : Of diverse magnetic characteristics (e.g., permanent plus electromagnet) : With adjusting or regulating means)

Patent 5272459: Standardized and self-contained transformer battery charger assembly
(INDUCTOR DEVICES : WITH TEMPERATURE MODIFIER : Heat exchanging surfaces :)

Patent 5272460: Current and voltage transformer for a metal-encapsulated, gas-insulated high-voltage installation
(INDUCTOR DEVICES : WITH OUTER CASING OR HOUSING : Potted type : Angularly movable)

Patent 5272461: Coding circuit
(COMMUNICATIONS: ELECTRICAL : DIGITAL COMPARATOR SYSTEMS : Electromagnetically actuated mechanical signal)

Patent 5272462: Remote transmission device by on-line carrier currents designed for control and monitoring of an electrical power distribution system,
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal over power line : Separate diverse device deactivated by timer)

Patent 5272463: Display device for vehicles
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Curb)

Patent 5272464: Centralized automotive resource management system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Curb)

Patent 5272465: Automatic alarm code converter
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular coupling link : Radio : Having plural distinct sensors (i.e., for surrounding conditions) : Signal strength)

Patent 5272466: Method and apparatus for defining a perimeter
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Domestic animal training, monitoring, or controlling : Specified device housing or attachment means)

Patent 5272467: Apparatus for detecting and reporting liquids
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Wetness : Bridge circuit)

Patent 5272468: Image processing for computer color conversion
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Color bit data modification or conversion : Color space transformation (e.g., RGB to YUV) : Plural look up tables)

Patent 5272469: Process for mapping high resolution data into a lower resolution depiction
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Having programmable function key)

Patent 5272470: Apparatus and method for reducing system overhead while inking strokes in a finger or stylus-based input device of a data processing system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Having programmable function key)

Patent 5272471: Display system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Intensity or color driving control (e.g., gray scale) : Spatial processing (e.g., patterns or subpixel configuration) : Non-binary weighted)

Patent 5272472: Apparatus for addressing data storage elements with an ionizable gas excited by an AC energy source
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Fluid light emitter (e.g., gas, liquid, or plasma) : Having endless belt or tape reader)

Patent 5272473: Reduced-speckle display system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Three-dimensional arrays)

Patent 5272474: Method and apparatus for monitoring the status of tables
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Space allocation (e.g., vehicle seat, hotel reservation) : Remote terminal : Having manual control input)

Patent 5272475: Alerting system for a communication receiver
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Power control or battery saving : Message input)

Patent 5272476: Data acquisition system having novel, low power circuit for time-division-multiplexing sensor array signals
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Plural transmitters : Time division multiplex : Having acoustic sensor)

Patent 5272477: Remote control card and remote control system
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Condition responsive : With plural receiver)

Patent 5272478: Method and apparatus for entropy coding
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from code based on probability : "N" out of "M" to "X" out of "Y")

Patent 5272479: High sensitivity superconductive digitizer
(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) : Plural slope analog to digital converter)

Patent 5272480: Track and hold circuit with continuously suppressed Josephson effect
(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) : Plural slope analog to digital converter)

Patent 5272481: Successive approximation analog to digital converter employing plural feedback digital to analog converters
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Single comparator and digital storage : Including priority encoder)

Patent 5272482: Radar apparatus
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Display : Calibrating)

Patent 5272483: Navigation system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using Global Positioning Satellite (GPS or Glonass) : Combined with secondary navigation system (i.e., LORAN, gyroscope, inertial, dead reckoning, etc.) :)

Patent 5272484: Recirculating delay line true time delay phased array antenna system for pulsed signals
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a delay line (e.g., serpentine transmission line, frequency scanning) : Controlled)

Patent 5272485: Microstrip antenna with integral low-noise amplifier for use in global positioning system (GPS) receivers
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)

Patent 5272486: Antenna erector for a towed buoyant cable
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Buried underground or submerged under water : Supported underneath vehicle)

Patent 5272487: Elliptically polarized antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Plural separate diverse type : Including balanced doublet-type antenna : Running board)

Patent 5272488: Press device for printing head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Platen or engaging means therefor : Including tensioning means)

Patent 5272489: Thermal head and electronic apparatus using the same
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Specific resistance recording element type : Heating resistive elements : Using pulse width modulation)

Patent 5272490: Image forming apparatus with driving circuit elements at ends of an LED array simultaneously transmitting supplied data in opposing directions
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Driving circuitry : Including switching means)

Patent 5272491: Thermal ink jet print device having phase change cooling
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of temperature or pressure of device or component thereof : With particular cooling means : Full-line array)

Patent 5272492: Compensation of magnification mismatch in single pass color printers
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Multicolor : Registration : With carrier)

Patent 5272493: Method and apparatus for registration of sequential images in a single pass, multi-LED printbar printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Multicolor : Registration : With carrier)

Patent 5272494: Synthetic resin temple with a longitudinal core member for eyeglasses
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Temples : Brace arm extends along edge of lens)

Patent 5272495: Progressive multifocal ophthalmic lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Multifocal : Gradually varying focal power : Spring between lens and strap)

Patent 5272496: Image projector with optimized luminous efficiency
(OPTICS: IMAGE PROJECTORS : COMPOSITE PROJECTED IMAGE : Plural projection paths with single light source : Prism)

Patent 5272497: Light source apparatus for endoscope
(PHOTOGRAPHY : BODY EXAMINATION PHOTOGRAPHY : Endoscope : Having stabilizing (e.g., gyroscope, etc.))

Patent 5272498: Magnetic recording apparatus in a camera
(PHOTOGRAPHY : WITH DATA RECORDING : Magnetically on film or film cassette : Recording head position control : Having auxiliary illumination)

Patent 5272499: Photographic silver halide photosensitive material processing apparatus
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having photographic medium feed : And photographic medium immersed and removed : Having detail of feed mechanism cleaning : Film in spaced spiral for processing)

Patent 5272500: Flash photographing system
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having viewfinder)

Patent 5272501: Projection exposure apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)

Patent 5272502: Double-surface concurrent exposure device
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for original : Including vacuum, fluid or spring pressure : Vertical optical path)

Patent 5272503: Replaceable sub-assemblies for electrostatographic reproducing machines
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Process cartridge : Misstrip of copy)

Patent 5272504: Device for erasing residual charge on photosensitive member
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Having temperature or humidity detection : Single detector for plural toners)

Patent 5272505: Charging device, process unit having same and image forming apparatus using process unit
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Contact : Needle type)

Patent 5272506: Contactable charging device for applying an oscillating voltage, process cartridge and image forming apparatus using the same
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Contact : Roller : Toner cartridge)

Patent 5272507: Charging device for electrophotographic equipment
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Corona : Having grid : Toner cartridge)

Patent 5272508: Electrophotographic photosensitive member and apparatus incorporating the same
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Photoconductive member : To produce outline image)

Patent 5272509: Liquid dispensing apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : Offset prevention : Parting agent applicator : Retractable)

Patent 5272510: Enhanced toner reclaim method and apparatus for a plural color xerographic system
(ELECTROPHOTOGRAPHY : CLEANING OF IMAGING SURFACE : Having handling of removed material : Having forced air (e.g., vacuum))

Patent 5272511: Sheet inserter and methods of inserting sheets into a continuous stream of sheets
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Interleaving (e.g., cover or partitioning sheet) : Platen)

Patent 5272512: Displacement information detection apparatus
(OPTICS: MEASURING AND TESTING : VELOCITY OR VELOCITY/HEIGHT MEASURING : With light detector (e.g., photocell) : Vibrating or oscillating element)

Patent 5272513: Laser doppler velocimeter
(OPTICS: MEASURING AND TESTING : VELOCITY OR VELOCITY/HEIGHT MEASURING : With light detector (e.g., photocell) : Of light interference (e.g., interferometer) : With displaced images)

Patent 5272514: Modular day/night weapon aiming system
(OPTICS: MEASURING AND TESTING : FIDUCIAL INSTRUMENTS : Reticle lies outside viewing path : Pendular suspension of optical element or reticle)

Patent 5272516: Fiber optic rotation sensor including a temperature sensor and logic circuit storing at least two correlation maps
(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 5272517: Height measurement apparatus using laser light beam
(OPTICS: MEASURING AND TESTING : DIMENSION : Focus)

Patent 5272518: Colorimeter and calibration system
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : Tristimulus examination : For comparison with master or desired configuration)

Patent 5272519: Recording/reproducing apparatus employing sum and difference sequential circuitry for lines adjacent in the second or third dimensional
(TELEVISION : FORMAT CONVERSION : Scan rate variation)

Patent 5272520: CIF converter with reduced multipliers
(TELEVISION : FORMAT CONVERSION : Specified chrominance processing : Motion adaptive)

Patent 5272521: White balance control based upon negative or positive mode selection
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Color balance (e.g., white balance) : Video teleconferencing (including access or authorization))

Patent 5272522: Video signal processing circuits
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Matrixing or mixing : Receiver type)

Patent 5272523: Matrix circuit for separating color signal of a video camera into color-difference signals
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Matrixing or mixing : Digital : Including feedback control)

Patent 5272524: Solid state camera apparatus with sample rate conversion to D1 and D2 formats
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Moving reflector)

Patent 5272525: System for local wireless transmission of signals at frequencies above 900 MHz
(TELEVISION : RECEIVER CIRCUITRY : Television receiver adapted to receive radio broadcast or in combination with radio receiver : Color television)

Patent 5272526: Television conference system
(TELEVISION : TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE) : Conferencing (e.g., loop) : Motion image conferencing :)

Patent 5272527: Picture image monitoring system
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Intrusion detection : Using plural cameras : Motion detection :)

Patent 5272528: Information recording apparatus
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Transform : Discrete cosine : Half-pixel refinement)

Patent 5272529: Adaptive hierarchical subband vector quantization encoder
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Vector quantization : Discrete cosine)

Patent 5272530: Method and apparatus for coding motion pictures utilizing motion compensation
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)

Patent 5272531: Automatic gain control system for use in positive modulation which detects the peak white voltage level slowly while simultaneously
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Gray scale transformation : Automatic range control (e.g., AGC, automatic contrast control) : With specified DC level control)

Patent 5272532: Horizontal AFC (automatic frequency control) circuit
(TELEVISION : SYNCHRONIZATION : Automatic phase or frequency control : Horizontal sync component : Color)

Patent 5272533: Image control apparatus for a television receiver
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Specified color (e.g., saturation and contrast control))

Patent 5272534: Television receiver with automatic tuning control
(TELEVISION : RECEIVER CIRCUITRY : Tuning : Color television)

Patent 5272535: Image sensor with exposure control, selectable interlaced, pseudo interlaced or non-interlaced readout and video compression
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Charge-coupled architecture : With excess charge removal (e.g., overflow drain) : With diode in series with photocell)

Patent 5272536: Dark current and defective pixel correction apparatus
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Dark current : For single sensor type camera supplying plural color signals)

Patent 5272537: Solid state imaging device for obtaining normal and mirror images from a single output
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : X - Y architecture : With charge transfer type output register : With overflow gate or drain)

Patent 5272538: Exposure control device
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Exposure control : Automatic)

Patent 5272539: Video camera with flicker cancellation
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Combined automatic gain control and exposure control (i.e., sensitivity control) : Responsive to output signal)

Patent 5272540: Temperature compensating lens system for projection television
(TELEVISION : VIDEO DISPLAY : Projection device : Cathode-ray tube image source : With optical element : With optical element)

Patent 5272541: Circuit for controlling picture quality in a video reproducing apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Noise reducing circuit : Disc)

Patent 5272542: Remote tracking control system for a video cassette tape recorder
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Time (e.g., phase or frequency) correction : By controlling relative transducer/record medium speed : Color killer)

Patent 5272543: Method and system for reproducing natural image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Document filing and retrieval system : Composite image)

Patent 5272544: Digital/analog converter and image processing apparatus using the same
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Signal sampling and conversion : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5272545: Image scanner having improved pixel convolution operation
(IMAGE ANALYSIS : IMAGE SEGMENTATION : Distinguishing text from other regions : Alphanumerics)

Patent 5272546: Laser beam controller
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile illumination control : Variable thresholding technique)

Patent 5272547: Video image reading apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile video : Stylus type)

Patent 5272548: Photosensor and image reading device with improved correction means for signal correction and image reading method
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Solid state : Including a polygon reflector)

Patent 5272549: Apparatus for electronic editing of integrated color images with related text material and employing an image frame
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color photography previewer : With memory for storage of conversion data)

Patent 5272550: Hologram system
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium :)

Patent 5272551: Optical system for the reproduction of color video images
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Lens : Flat rotating disk)

Patent 5272552: Optical modulation device and method using modulation layer of helical polymer liquid crystal having a helical chiral smectic C phase
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : CELL CONTAINING LIQUID CRYSTAL OF SPECIFIC COMPOSITION : Polymer liquid crystal : Twisted (or chiral) nematic or supertwisted nematic)

Patent 5272553: Projection type liquid crystal display device with twisted nematic liquid crystal layers
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Plural light path projectors :)

Patent 5272554: Liquid crystal light valve having a SiO.sub.2 /TiO.sub.2 dielectric mirror and a Si/SiO.sub.2 light blocking layer
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Optical excitation : With photoconductive layer (e.g., spatial light modulator(SLMs)) : With silicon photoconductive layer :)

Patent 5272555: Bidirectional optical transmission method and apparatus therefor
(OPTICAL COMMUNICATIONS : DUPLEX : Determination of communication parameter)

Patent 5272556: Optical networks
(OPTICAL COMMUNICATIONS : MULTIPLEX : Broadcast and distribution system : WDM : Hub or central office : Including subscribers :)

Patent 5272558: Two level fiber optic communication from three-value electronic signal source
(OPTICAL COMMUNICATIONS : OPTICAL REPEATER SYSTEM : Monitoring : Modulation conversion)

Patent 5272559: Truncated frequency discriminator
(OPTICAL COMMUNICATIONS : RECEIVER : Heterodyne : Including feedback)

Patent 5272560: Variable spectral width multiple pass optical noise source
(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 : Compensation technique : Semiconductor)

Patent 5272561: Electrooptic device
(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 electrode structure or arrangement, or medium mounting structure or arrangement : Liquid medium)

Patent 5272562: Cube-corner retroreflective articles
(OPTICAL: SYSTEMS AND ELEMENTS : SIGNAL REFLECTOR : 3-Corner retroreflective (i.e., cube corner, trihedral, or triple reflector type) : Vibration)

Patent 5272563: Car head-up displays including an adjustable plane mirror lensless non-diffractive
(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.) : Including curved reflector : Cylindrical lenslets)

Patent 5272564: Zoom lens of internal focusing system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : To the rear of a basic lens)

Patent 5272565: Compact zoom lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Reverse telephoto : Having seven or less components : Cylindrical lenslets)

Patent 5272566: Varifocal lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Four groups : Cylindrical lenslets)

Patent 5272567: Lens barrel having reference shafts movably supporting lenses
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : Motor driven : + - Arrangement)

Patent 5272568: High aperture finite conjugate lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Multiple component lenses : Six components : First component positive : + - + + - + Arrangement : Auto focusing)

Patent 5272569: Apparatus for a fine adjustment focus actuator in an optical information storage system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens movable in its plane : Electromagnetic motive power : With third component biconvex)

Patent 5272570: Illuminating reflection apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : Composite or echelon mirrors or light concentrating array : Light concentrating (e.g., heliostat, etc.), concave, or paraboloidal structure : Bayonet coupling)

Patent 5272571: Stenotype machine with linked audio recording
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : MANUAL INPUT RECORDING : Motion picture film)

Patent 5272572: Apparatus and method for use in appending data to data previously written on a tape in a helical scan tape recorder system
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD EDITING : Motion picture film)

Patent 5272573: High-speed magnetic tape duplicator apparatus having an array of permanent magnets productive of a spatially varying transfer field of
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD COPYING : Contact transfer : With magnetic bias :)

Patent 5272574: Recording/playback circuit in a video tape recorder capable of recording a plurality of video signals
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Simultaneously recording of a plurality of television signals : Digital technique)

Patent 5272576: Magnetic recording and reproducing apparatus with recording inhibition operation
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Recording-or erasing-prevention : With incremental movement between record and head)

Patent 5272577: Index adjustment circuit for floppy disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Specifics of the amplifier)

Patent 5272578: Method for writing a uniform servo code into a magnetic disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Stopping or reversing)

Patent 5272579: Mechanism for loading tape cartridge into tape driving apparatus
(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 5272580: Three-point top cover with limiter for a disc drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Environmental control (e.g., air filter, temperature control) : Plural reels)

Patent 5272581: Disk-type recording medium and storage apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Plural disks : Flexible disk)

Patent 5272582: Magneto-resistance effect magnetic head with static electricity protection
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Electrostatic Discharge (ESD) protection : In horizontal head configuration)

Patent 5272583: Collapsible magnetic tape cassette
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : Pressure element)

Patent 5272584: Hot-plugging circuit for the interconnection of cards to boards
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Impedance insertion : Current responsive)

Patent 5272585: System to prevent electrical shorts by a microprocessor breaker box
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Feeder protection in distribution networks : With current responsive fault sensor : With communication between feeder disconnect points : With sequentially inserted impedance)

Patent 5272586: Technique for improving ESD immunity
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Transient responsive : Plural conductors in single sheath (e.g., compound))

Patent 5272587: Extension socket
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Transient responsive : Plural conductors in single sheath (e.g., compound))

Patent 5272588: Surge protector
(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 5272589: Power control in relay coils
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : Systems for magnetizing, demagnetizing, or controlling the magnetic field : Including particular drive circuit : Magnetic tape)

Patent 5272590: Integrated circuit package having an internal cavity for incorporating decoupling capacitor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Details of electrical connection means (e.g., terminal or lead) : For decoupling type capacitor : Rotary plates)

Patent 5272591: Protective cover for electrical bus bars
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Distribution or control unit : Having isolating switch)

Patent 5272592: Panelboard interior assembly
(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 : Plug-in or removable)

Patent 5272593: Housing for an electronic circuit with improved heat dissipation means
(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 : Containing silicon or aluminum)

Patent 5272594: Telephone line overvoltage protection device having aligned, bent terminals supporting a circuit board
(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 5272595: Terminal structure for an electronic device
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With specific lead configuration : Having particular material)

Patent 5272596: Personal data card fabricated from a polymer thick-film circuit
(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 : Plugboards : With switch actuating arrangements)

Patent 5272597: Attachment for surface-mounting a resonator crystal on a circuit board
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Shielding : Tube mounting)

Patent 5272598: Portable electronic apparatus having an interchangeable detachable battery and optional component for expanding a function
(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 5272599: Microprocessor heat dissipation apparatus for a printed circuit board
(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 : Heat sink : Details : With heat sink or cooling fins)

Patent 5272600: Electrical interconnect device with interwoven power and ground lines and capacitive vias
(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 : Multiple contact pins)

Patent 5272601: Backlighting for liquid crystal displays
(ILLUMINATION : ILLUMINATED SCALE OR DIAL : Edge illuminated modifier or light rod/pipe : Plural light sources : Indexing (i.e., dynamic))

Patent 5272602: Device for mounting a supplemental stop lamp or the like to a windowpane with ease of connection to a power supply
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Specific lamp mounting or retaining : Including specific light bulb mounting)

Patent 5272603: Light fixture
(ILLUMINATION : WITH SWITCH PLATE OR SOCKET : With door-controlled switch)

Patent 5272604: Cyclonic liquid ornament
(ILLUMINATION : WITH FLUID DISTRIBUTER : With door-controlled switch)

Patent 5272605: Canopy mounting device for exit signs and the like
(ILLUMINATION : WITH STATIC STRUCTURE : Wall or ceiling : Repositionable as a unit)

Patent 5272606: Dual circuit lantern
(ILLUMINATION : SELF POWERED LAMP : Bag, purse or trunk)

Patent 5272607: Lighting fixture
(ILLUMINATION : ELONGATED SOURCE LIGHT UNIT OR SUPPORT : With means to position plural light sources colinearly : With switch)

Patent 5272608: Hospital room lamp
(ILLUMINATION : ELONGATED SOURCE LIGHT UNIT OR SUPPORT : Plural sources or supports therefor : Plural members)

Patent 5272609: Portable lighting unit
(ILLUMINATION : PLURAL LIGHT SOURCES : With support : Adjustable : Shielding type modifier)

Patent 5272610: Light fixture with trim strip retainer
(ILLUMINATION : LIGHT MODIFIER : Translucent or opaque (e.g., "shade") : Curved surface)

Patent 5272611: Electrical cord assembly for illumination-adjustable lighting fixture
(ILLUMINATION : HOUSING : With cooling means : Arm or bracket)

Patent 5272612: X-ray power supply utilizing A.C. frequency conversion to generate a high D.C. voltage
(ELECTRIC POWER CONVERSION SYSTEMS : CASCADED OR COMBINED, DIVERSE CONVERSIONS IN WHICH THE FREQUENCY OR PHASE OR COMBINED CONVERSION IS WITHOUT INTERMEDIATE CONVERSION TO D.C. : Current and frequency (e.g., f1-f2-D.C.) : Phase 1 to phase 2 to D.C.)

Patent 5272613: Cascaded rectifier and two switched voltage converter circuits with harmonics suppression
(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 : For forward-type converter : Utilizing pulse-width modulation :)

Patent 5272614: Microprocessor-controlled DC-DC converter
(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 : For forward-type converter : Having digital logic :)

Patent 5272615: Digital controlled inverter and method
(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 5272616: Single phase to three phase power converter for motor loads
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With starting arrangement : In rectifier systems)

Patent 5272617: Apparatus for detecting short-circuit for use in bi-polar d.c. transmission system
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including automatic or integral protection means : For high voltage D.C. transmission systems : Including means for reducing ripples from the output)

Patent 5272618: Filament current regulator for an X-ray system
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : Including plural sensing or control means : Including semiconductor device)

Patent 5272619: Invertor systems utilizing inductive or capacitive reactance
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using impedance-type converter : In thyristor inverter systems)

Patent 5272620: Irrigation controller with rain delay feature
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Sequential or selective : State of condition or parameter (e.g., on/off) : Time responsive (duration) : Clock-calendar (e.g., time of day) :)

Patent 5272621: Method and apparatus using fuzzy logic for controlling a process having dead time
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Feed-forward (e.g., predictive) : Combined with feedback : Proportional-Integral-Derivative (P-I-D))

Patent 5272622: Numerical control information generating apparatus
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Having preparation of program : Positional (e.g., joystick))

Patent 5272623: Software programming method for forming Government contracting documents
(DATA PROCESSING: SOFTWARE DEVELOPMENT, INSTALLATION, AND MANAGEMENT : SOFTWARE PROGRAM DEVELOPMENT TOOL (E.G., INTEGRATED CASE TOOL OR STAND-ALONE DEVELOPMENT TOOL) :)

Patent 5272624: Current patterns for impedance tomography
(SURGERY : DIAGNOSTIC TESTING : Measuring electrical impedance or conductance of body portion : With feedback of signal to patient)

Patent 5272625: Medical image data managing system
(DATA PROCESSING: DATABASE AND FILE MANAGEMENT OR DATA STRUCTURES : DATABASE OR FILE ACCESSING :)

Patent 5272626: Frequency processing method for radiation images
(IMAGE ANALYSIS : IMAGE ENHANCEMENT OR RESTORATION : Edge or contour enhancement : Recursive filter)

Patent 5272627: Data converter for CT data acquisition system
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Computerized tomography :)

Patent 5272628: Method and system for aggregating tables having dissimilar formats
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT : Spreadsheet :)

Patent 5272629: Method for determining the slowing down length and the porosity of a formation surrounding a borehole
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Earth science : Well logging or borehole study : By radiation (e.g., nuclear, gamma, X-ray) :)

Patent 5272630: Automatic transmission control and strategy for neutral idle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Clutch control : Adaptive control : Responsive to faulty sensor)

Patent 5272631: Shift control system and method for vehicular automatic transmissions
(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 5272632: Method of suppressing gear-shifting shock in an automatic-transmission vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Transmission control : Adaptive control : Model or learning means (e.g., neural network) : Inner/outer loop)

Patent 5272633: Vehicle seat
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Vehicle equipment position control (e.g., seat, mirror, door, window, headrest, or headlamp) : By frequency or waveform analysis)

Patent 5272634: Anti-block system for the two driven wheels of a vehicle
(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 : Correction or modification :)

Patent 5272635: Torque distribution control apparatus for four wheel drive
(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 : Four wheel drive vehicle : Having fuel cutting or ignition timing retarding)

Patent 5272636: Circuit configuration for a brake system with anti-lock or traction slip control
(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 : During cornering or turning of vehicle : Using a transmission ratio as feedback control)

Patent 5272637: Method and apparatus for controlling the supply of fuel to a gas turbine during load rejection
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : With indicator or control of power plant (e.g., performance) : Gas turbine, compressor : Artificial intelligence (e.g., fuzzy logic))

Patent 5272638: Systems and methods for planning the scheduling travel routes
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Location monitoring : At system equipment (i.e., base station) : Based on service quality (e.g., bandwidth, etc.))

Patent 5272639: Terrain referenced navigation electromagnetic-gravitational correlation
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : Great circle route)

Patent 5272640: Automatic mail-processing device with full functions
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : FOR COST/PRICE : Postage meter system : With specific mail handling means : With paper check handling)

Patent 5272641: Parts insertion machine control system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Design or planning : Positional with nonpositional)

Patent 5272642: CAD/CAM device with hierarchical data structure
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Having operator interface feature : Including CAD, CAM, or CIM technique : Tool/workpiece interference prevention)

Patent 5272643: Press brake with crown adjustment and movable table adjustment calculate from first and second die contiguous position
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Having particular tool or tool operation : Bending (e.g., press brake) : Thickness control)

Patent 5272644: Apparatus for controlling a heating temperature
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Heating : Monitoring, inspection, or control of a particular condition)

Patent 5272645: Channel routing method
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Routing (e.g., routing map, netlisting) : Layout editor (e.g., updating))

Patent 5272646: Method for locating leaks in a fluid pipeline and apparatus therefore
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Mechanical measurement system : Fluid measurement (e.g., mass, pressure, viscosity) : Leak detecting : Torsional, shear, tensile, or compression)

Patent 5272647: Valve diagnostic apparatus and method
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Mechanical measurement system : Flow metering : Mechanical work or power measurement)

Patent 5272648: Method of detecting a position of a robot
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Specific application of positional responsive control system : For heating or cooling)

Patent 5272649: Video method and apparatus for measuring and controlling dimensional stability
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Quality evaluation : Quality control : Frequency)

Patent 5272650: Self correcting time base for inaccurate oscillators
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Mechanical control system : HVAC control : Specific thermally responsive controller : Movable (e.g., rotatable))

Patent 5272651: Circuit simulation system with wake-up latency
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : SIMULATING ELECTRONIC DEVICE OR ELECTRICAL SYSTEM : Circuit simulation : Including logic : Event-driven :)

Patent 5272652: Expanded field of view (EFOV) display for real-time, manned, interactive air combat simulation, including close-in combat
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : SIMULATING NONELECTRICAL DEVICE OR SYSTEM : Mechanical : Vehicle :)

Patent 5272653: Multilane keyboard for inch calculators
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Having specialized input : Including specific keyboard-type information entry : Business)

Patent 5272654: System for converting a floating point signed magnitude binary number to a two's complement binary number
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Format conversion : Zero suppression)

Patent 5272655: Sample rate converting filter
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Decimation/interpolation : Tone detection)

Patent 5272656: System and method of producing adaptive FIR digital filter with non-linear frequency resolution
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Patent 5272657: Fuzzy pattern comparator having automatic update threshold function
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Correlation : Cyclic/circular)

Patent 5272658: Long-term integrator
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Integration : Vector resolver)

Patent 5272659: Engine control with fixed point digital overflow prevention
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