Patents 5155340 - 5155595

 

 

Patent 5155340: Thin high temperature heater
(ELECTRIC HEATING : HEATING DEVICES : With heating unit structure : With resistive-element attaching, securing or electrical insulation means : Comprising coating printed or deposited on core sheath or support means : Fusible link)

Patent 5155341: Image recording apparatus
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Vote counters)

Patent 5155342: Prepaid card processing device
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Credit or identification card systems : Price determination)

Patent 5155343: Omnidirectional bar code reader with method and apparatus for detecting and scanning a bar code symbol
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Bar code location or selection : 2-D bar code :)

Patent 5155344: Method and device for reading a bar code of variable orientation on a substantially motionless medium
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Reader processing circuitry : Auto-focusing)

Patent 5155345: Data read device
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Scanner power on/off : Including object detection : Using an imager (e.g., CCD or camera-type reader))

Patent 5155346: Device for converting hand-held scanner to hands-free scanner
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specified housing or mounting detail : Hand-held (e.g., portable) : Using a moving mirror)

Patent 5155347: Object detector for an optical instrument
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Automatic focus control : Based on image shift : With optical storage medium; e.g., optical disc, etc.)

Patent 5155348: Read-out circuit for a photodetector
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive image detecting element arrays : With comparison)

Patent 5155349: X-ray image intensifier with shrink-fitting parts
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Outside periphery of package having specified shape or configuration : With electrical isolation means)

Patent 5155350: Light gate with adjustable light transmitter
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Controlling light source intensity : Self-luminous target)

Patent 5155351: Photoelectric transfer device
(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 : With optical shield or mask means : With window means)

Patent 5155352: Optically activated sub-nanosecond hybrid pulser
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Special photocell or electron tube circuits : Special photocell : Light amplifier type)

Patent 5155353: High dynamic range integrated opto-electronic sensor and MOSFET amplifiers for pulsed light
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Special photocell or electron tube circuits : With specific relative positional geometry of photosensitive elements (e.g., an annular photosensitive element surrounding a coaxially mounted photosensitive element))

Patent 5155354: Target detector capable of rejecting close-in objects
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Special photocell or electron tube circuits)

Patent 5155355: Photoelectric encoder having a grating substrate with integral light emitting elements
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Hoods, grating, baffles, diaphragms, masks : Gratings (moire fringes) : Rotary motion)

Patent 5155356: Apparatus and method for detecting subterranean leakage from a large storage vessel
(RADIANT ENERGY : GEOLOGICAL TESTING OR IRRADIATION :)

Patent 5155357: Portable mass spectrometer
(RADIANT ENERGY : IONIC SEPARATION OR ANALYSIS : Cyclically varying ion selecting field means : Circular ion path : For material recovery)

Patent 5155358: Double wall camera housing with thermostatic cooler
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Temperature control of photocell : Hoods, grating, baffles, diaphragms, masks)

Patent 5155359: Atomic scale calibration system
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Radioactive tracer methods)

Patent 5155361: Potentiostatic preparation of molecular adsorbates for scanning probe microscopy
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Methods : Magnetic field path-bending means)

Patent 5155362: Infra-red radiation imaging device arrangements
(RADIANT ENERGY : INFRARED-TO-VISIBLE IMAGING : Including detector array : With conveyance)

Patent 5155363: Method for direct phase measurement of radiation, particularly light radiation, and apparatus for performing the method
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : With imaging : With coherent interferrometric light)

Patent 5155364: Solid-liquid reversible scintillator and method of using the same
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : With or including a luminophor : With relative movement means)

Patent 5155365: Emission-transmission imaging system using single energy and dual energy transmission and radionuclide emission data
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : With or including a luminophor : With radiant energy source : Body scanner or camera : Plural temperature sensitive signalling means)

Patent 5155366: Method and apparatus for detecting and discriminating between particles and rays
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : With or including a luminophor : With optics : Ultraviolet light source)

Patent 5155367: Gas contamination-measuring apparatus for use with an ultraviolet-emitting laser source
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Ultraviolet light responsive means : Methods)

Patent 5155368: Ion beam blanking apparatus and method
(RADIANT ENERGY : WITH CHARGED PARTICLE BEAM DEFLECTION OR FOCUSSING : Housings (in addition to cell casing))

Patent 5155369: Multiple angle implants for shallow implant
(SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS : INTRODUCTION OF CONDUCTIVITY MODIFYING DOPANT INTO SEMICONDUCTIVE MATERIAL : Ion implantation of dopant into semiconductor region : Using oblique beam : And contact formation (i.e., metallization))

Patent 5155370: Device for detecting the relative position of first and second objects
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Controlling web, strand, strip, or sheet : Self-luminous target)

Patent 5155371: Apparatus for detecting deformations in pressed members
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : Detection of diffuse light : With discrimination of discrete light diffusing region : With moving reticle in optical path)

Patent 5155372: Optical inspection system utilizing wedge shaped spatial filter
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : Evaluation by regions, zones, or pixels : Self-luminous target)

Patent 5155373: Driving apparatus for starting an engine with a starting motor energized by a capacitor
(PRIME-MOVER DYNAMO PLANTS : ELECTRIC CONTROL : Electric-starting motor : Automatic starters including centrifugally operated contactors)

Patent 5155374: Driving apparatus for starting an engine with starter motor energized by a capacitor
(PRIME-MOVER DYNAMO PLANTS : ELECTRIC CONTROL : Electric-starting motor : Automatic starters including centrifugally operated contactors)

Patent 5155375: Speed control system for a variable speed wind turbine
(PRIME-MOVER DYNAMO PLANTS : ELECTRIC CONTROL : Fluid-current motors : Wind : Stop cranking responsive to generator output)

Patent 5155376: Vehicle safety device actuating circuit with monitoring current regulator
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Series-connected)

Patent 5155377: Charge domain differential conductance synapse cell for neural networks
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : NEURAL NETWORK : Structure : Semiconductor neural network : Single-layer)

Patent 5155378: Process and apparatus for establishing a unique address code on an individual module
(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 5155379: Clocked driver circuit stabilized against changes due to fluctuations in R.C. time constant
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Clock or pulse waveform generating : Clock fault compensation or redundant clocks : Electron tube)

Patent 5155380: Clock switching circuit and method for preventing glitch during switching
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : Having selection between plural continuous waveforms : With logic or bistable circuit)

Patent 5155381: Capacitive load driver with binary output
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Current driver : Having capacitive load : Sample and hold)

Patent 5155382: Two-stage CMOS latch with single-wire clock
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Circuit having only two stable states (i.e., bistable) : Master-slave bistable latch : Including field-effect transistor : With digital element)

Patent 5155383: Circuit and method of resetting a master/slave flipflop
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Initializing, resetting, or protecting a steady state condition : Four or more layer device, (e.g., trigistor, etc.))

Patent 5155384: Bias start-up circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Having particular substrate biasing : Having stabilized bias or power supply level : With field-effect transistor : With emitter follower)

Patent 5155385: Semiconductor integrated circuit device having a bias supply current
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Nonlinear amplifying circuit : With operational amplifier : With field-effect transistor : Selective type signal filtering (e.g., from low pass to high pass, etc.))

Patent 5155386: Programmable hysteresis comparator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Comparison between plural varying inputs : Differential input : Having feedback : Cross-coupled)

Patent 5155387: Circuit suitable for differential multiplexers and logic gates utilizing bipolar and field-effect transistors
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Bipolar transistor : Field effect transistor)

Patent 5155388: Logic gates with controllable time delay
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : THRESHOLD (E.G., MAJORITY, MINORITY, OR WEIGHTED INPUTS, ETC.) : Signal level or switching threshold stabilization)

Patent 5155389: Programmable logic cell and array
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : With field effect-transistor)

Patent 5155390: Programmable block architected heterogeneous integrated circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : Significant integrated structure, layout, or layout interconnections : With clocking)

Patent 5155391: Synchronous internal clock distribution
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : CLOCKING OR SYNCHRONIZING OF LOGIC STAGES OR GATES : Field-effect transistor : Two or more clocks (e.g., phase clocking, etc.) : With capacitive or inductive bootstrapping)

Patent 5155392: Low di/dt BiCMOS output buffer with improved speed
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : Bi-CMOS : TTL to/from CMOS)

Patent 5155393: Clock selection for storage elements of integrated circuits
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Circuit having only two stable states (i.e., bistable) : Having at least two cross-coupling paths : D type input : Plural independent clock inputs (i.e., non complementary ))

Patent 5155394: Bias distribution circuit and method using FET and bipolar
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Field-effect transistor : With bipolar transistor : MESFET (i.e., metal semiconductor field-effect transistor))

Patent 5155395: Filter circuit comprising an amplifier and a capacitor
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Unwanted signal suppression : Active filter : With field-effect transistor)

Patent 5155396: Integrated interface circuit for processing the signal supplied by a capacitive sensor
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : By limiting, clipping, or clamping : Clock bus)

Patent 5155397: C-MOS differential sense amplifier
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : With sensing amplifier : Differential amplifier : Having feedback :)

Patent 5155398: Control circuit for high power switching transistor
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Field-effect transistor : Insulated gate FET (e.g., MOSFET, etc.) : Plural devices in series : Using diode)

Patent 5155399: Coil assembly for an electromechanical actuator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Reciprocating : With other elements : Motion-converting mechanism : Solenoid and core type : Plural armatures)

Patent 5155400: Displacement control motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Electric circuit elements : Motion responsive (e.g., centrifugal switches) : Distributor or timer (e.g., ignition magnetos))

Patent 5155401: Recorder motor with attached encoder and cover
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Mechanical shields or protectors : Housings, windows or covers : Impulse coupling)

Patent 5155402: Bearing radially and axially supporting rotor of large radial dimensions
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Magnetic bearing : Impulse coupling)

Patent 5155403: Coil winding armatures and arrangement of parallel coils
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Armature or primary : Coils : Wave)

Patent 5155404: Squirrel-cage induction motor with rotor slot magnetic bridges
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Secondary windings or conductors : Squirrel cage : Wave)

Patent 5155405: Electrode roller with flexible current transmitting disc
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Rotary structure : Commutators : Disc : Multifrequency)

Patent 5155406: Multiple nearest neighbor filter bank
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Surface acoustic wave devices : Interdigitated electrodes :)

Patent 5155407: Vibration driven apparatus
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with resonant structure : Direct mechanical coupling : Motor producing continual motion : Traveling wave motor : Stator : Oval track :)

Patent 5155408: Piezoelectric transducer having piezoelectric elements free from stress concentrations
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : Voltage, spark or current generator : Underwater type)

Patent 5155409: Integral conductor for a piezoelectric actuator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Electrode arrangement : More than two : More than one poling direction (e.g., Rosen transformer))

Patent 5155410: Shadow mask type color cathode ray tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Shadow mask, support or shield : Monoscope)

Patent 5155411: Color CRT assembly having an improved envelope
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Envelope : Support)

Patent 5155412: Method for selectively scaling a field emission electron gun and device formed thereby
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Plural concentrating, accelerating, and/or de-accelerating stages : Storage tubes)

Patent 5155413: Method and system for controlling the brightness of a vacuum fluorescent display
(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 5155414: Driving method of plasma display panels
(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 : Gas display panel device : Discharge control discharge device)

Patent 5155415: High voltage driver for gas discharge lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Impedance or current regulator in the supply circuit : Condenser or inductance in the primary circuit)

Patent 5155416: Electron beam emitting device and image displaying device by use thereof
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : For flat cathode-ray tube : Intermediate stage at lower potential)

Patent 5155417: S-shaped correction capacitor switching device for automatic tracking monitor
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : With ray deflection distortion correction or reduction : By modulation of deflection waveform : Adjacent to or integral with deflection winding or housing structure therefor)

Patent 5155418: Actuator device
(ELECTRICITY: MOTIVE POWER SYSTEMS : NONMAGNETIC MOTOR : Series connected motors)

Patent 5155419: Brushless motor drive circuit having a highly accurate sinusoidal output signal
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 5155420: Switching circuits employing field emission devices
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD : Discharge control discharge device load : Pulsating or A.C. supply to the electromagnet)

Patent 5155421: Power wrench for tightening screw joints
(ELECTRICITY: MOTIVE POWER SYSTEMS : LIMITATION OF MOTOR LOAD, CURRENT, TORQUE OR FORCE (E.G., PREVENTING OVERLOAD) : Control of motor load or device driven)

Patent 5155422: Self-tuning adaptive bandwidth regulator
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Power- or motion-transmitting mechanism)

Patent 5155423: Industrial robot with servo
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : With program recording or composing means : Multifunction manipulator (i.e., Robot) : Differential type)

Patent 5155424: Numerical control method
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Digital or numerical systems : Multifunction manipulator (i.e., Robot))

Patent 5155425: NC data execution method
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Digital or numerical systems : Contouring systems : With "feed-rate" control : Including display device)

Patent 5155426: Vehicle steering control apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Vehicular guidance systems with single axis control : Land vehicles : Multiple pass systems)

Patent 5155427: Drive controller for stepping motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : OPEN-LOOP STEPPING MOTOR CONTROL SYSTEMS : Having commutating switch-type transmitter)

Patent 5155428: Overdischarge and overvoltage protection circuit for a battery in a portable and mobile communication system
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL DISCHARGING : Regulated discharging : With battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.) : Time control)

Patent 5155429: Threshold voltage generating circuit
(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 5155430: Switching power supply with constant or sinusoidal input current and with fixed or variable output voltage
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using a three or more terminal semiconductive device : With additional series regulator : Static switch)

Patent 5155431: Very fast autoscale topology for digitizing oscilloscopes
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Cathode ray (e.g., magic eye) : Hall effect)

Patent 5155432: System for scan testing of logic circuit networks
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : DUT including test circuit : Cantilever)

Patent 5155433: Method and apparatus for testing bipolar magnets having a circular curvature
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Permanent magnet testing : Using thermionic emission)

Patent 5155434: Superconducting quantum interference magnetometer having a plurality of gated channels
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetometers : Superconductive magnetometers : Plural sensors)

Patent 5155435: Method and apparatus for performing interventional medical procedures using MR imaging of interventional device superimposed with ghost
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5155436: Method and apparatus for stabilizing uniformity of static magnetic field in magnetic resonance imaging apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Polarizing field magnet : With homogeneity control :)

Patent 5155437: Diagnostic device for gas turbine ignition system
(ELECTRICITY: MEASURING AND TESTING : INTERNAL-COMBUSTION ENGINE IGNITION SYSTEM OR DEVICE : In situ testing of spark plug : Wherein a measured electric quantity indicates spark plug condition : With air gap in ground circuit)

Patent 5155438: Spark map for a resistive material using magnetic field detection
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : In an ignitor or detonator : With support for article)

Patent 5155439: Method of detecting and characterizing anomalies in a propagative medium
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : For fault location : By reflection technique : Using time measuring)

Patent 5155440: Hand-held cable tester
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Multiconductor cable : With barrier layer)

Patent 5155441: Automatic insulation tester for grounded and ungrounded electrical equipment
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Insulation : Transformer)

Patent 5155442: Position and orientation locator/monitor
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : With a capacitive sensing means : Including a probe type structure : Including a tuned or resonant circuit)

Patent 5155443: Machine for inspecting the wall thickness of glass containers
(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 5155444: Trim bar gap verification tool and method using a flexible capacitor sensor having a magnetic metallic laminate
(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 5155445: Vernier voltage-to-digital converter with a storage capacitance selectable in magnitude
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using capacitive type measurement : With pulse signal processing circuit : Including charge or discharge cycle circuit : Including a tuned or resonant circuit)

Patent 5155446: Digital FSK demodulator
(DEMODULATORS : FREQUENCY SHIFT KEYING OR MINIMUM SHIFT KEYING DEMODULATOR :)

Patent 5155447: Multi-stage amplifier with capacitive nesting and multi-path forward feeding for frequency compensation
(AMPLIFIERS : SIGNAL FEEDBACK : Phase shift means in loop path : Positive and negative feedback)

Patent 5155448: Feed-forward amplifier having increased compression point
(AMPLIFIERS : HUM OR NOISE OR DISTORTION BUCKING INTRODUCED INTO SIGNAL CHANNEL : Electron tube or diode as impedance)

Patent 5155449: FET buffer amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including field effect transistor : Having transformer)

Patent 5155450: Interface circuit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including balanced to unbalanced circuits and vice versa : Bipolar or unipolar (FET))

Patent 5155451: Circuit and method for dynamically generating a clock signal
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : AFC with logic elements : Reactance device (e.g., variable capacitors, saturable inductors, reactance tubes, etc.))

Patent 5155452: Linearized and delay compensated all CMOS VCO
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Relaxation oscillator : Inductor controlled AFC)

Patent 5155453: Low-power crystal oscillator
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Electromechanical resonator controlled : Field-effect transistor active element : Converter using silicon control rectifiers)

Patent 5155454: MSK modulator using a VCO to produce MSK signals
(MODULATORS : FREQUENCY SHIFT KEYING MODULATOR OR MINIMUM SHIFT KEYING MODULATOR :)

Patent 5155455: AM/FM modulator in which AM can be converted to FM by vector addition
(MODULATORS : FREQUENCY MODULATOR : Plural modulation : Including amplitude modulation :)

Patent 5155456: Microwave switch arrangement
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : Including switching means : Having mechanical switching means : Using rotary switching means :)

Patent 5155457: Line filter assembly
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : Transformer coupled : Including specific frequency rejection means)

Patent 5155458: Normally closed AC relay
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Polarity-responsive : Armature structure : Comprising energy storage means (e.g., wound spring))

Patent 5155459: Electromagnetic relay
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : Simultaneously actuated : By pivotal or rockable armature : Reciprocating or linearly sliding)

Patent 5155460: Switch housing with magnetic roller plunger
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : PERMANENT MAGNET-ACTUATED SWITCHES : Through conductor type (i.e., conductor field actuates armature))

Patent 5155461: Solenoid stator assembly for electronically actuated fuel injectors and method of manufacturing same
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With plunger-type armature : With sealed enclosure (e.g., dust or moistureproof) : Special armature construction or mounting means (e.g., to assure positive seating of armature))

Patent 5155462: Sub-miniature electrical component, particularly a fuse
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : WITH SEPARATE DISTINCT DIVERSE ART-TYPE SWITCHING DEVICE (E.G., FLUID- OR MECHANICAL-ACTUATED) : Bimetallic device with other :)

Patent 5155463: Thermal protector
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : With bimetallic elements (i.e., motion takes place in a plane at right angles to its major axis) : Housing, casing or support means : Significant heating element structure or composition)

Patent 5155464: Varistor of generally cylindrical configuration
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Current and/or voltage (e.g., ballast resistor) : Voltage surge-responsive or lightning arrester type :)

Patent 5155465: Variable resistor with a switching mechanism
(ELECTRICAL RESISTORS : MECHANICALLY VARIABLE (E.G., RHEOSTAT) : Movable contact electrically adjustable over length of resistance element : Contact slides along in contact with element : Contact angularly slidable : With switching :)

Patent 5155466: Automatic frequency control system
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal over power line : Modulation technique : With independent manual controller)

Patent 5155467: Inclination angle detection apparatus and automobile theft alarm apparatus using the same
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Responsive to inertia, vibration, or tilt : Intersection turn guidance)

Patent 5155468: Alarm condition detecting method and apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Pivoting)

Patent 5155469: Wireless alarm system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular coupling link : Radio : Including central station detail : And remote station detail : Specifying particular start/destination)

Patent 5155470: Mailbox signaling apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular coupling link : Radio : Combined with power line)

Patent 5155471: Low pressure burst disk sensor with weakened conductive strips
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Flow rate : Pressure : Having means locking device to article)

Patent 5155472: Contact type liquid level sensing system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Material level : Liquid : Having sonic sensor : Laser)

Patent 5155473: Torque and thrust overload detection system for a machine tool
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Machine condition : Machine tool : Conveyor belt)

Patent 5155474: Photographic security system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specified indicator structure : Plural : Diverse : Conveyor belt)

Patent 5155476: Liquid crystal display device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Segmented display elements : Light-controlling display elements : Liquid crystal elements : Photosensor encoder)

Patent 5155477: Video signal display apparatus with a liquid crystal display unit
(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 5155478: Method and apparatus for converting gray scale
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Repeating pattern)

Patent 5155479: Radio receiver with adaptive on-off control
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Power control or battery saving : Based on received signal : Frame based timing : Using additional record or carrier code)

Patent 5155480: Event reporting using a two-wire non-blocking bus structure
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Monitoring in addition to control (e.g., supervisory) : Quiescent : Collision avoidance : Step-by-step)

Patent 5155481: Two and three wire utility data communications system
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With meter reading : Acoustic or vibratory (e.g., sonic, fluidic, etc.))

Patent 5155482: Aircraft fluid vessel testing
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Sonic or ultrasonic)

Patent 5155483: Channel switching system
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative channel : Spare channel : Using a spare channel)

Patent 5155484: Fast data compressor with direct lookup table indexing into history buffer
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Substituting specified bit combinations for other prescribed bit combinations : Bit represented by discrete frequency)

Patent 5155485: Digital modulating apparatus and digital demodulating apparatus
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Byte length changed : To or from Hollerith code)

Patent 5155486: Asynchronous serial data receiver with capability for sampling the mid-point of data bits
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Serial to parallel : Binary to Gray)

Patent 5155487: Cell delineation method and cell delineation circuit
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Serial to parallel : Binary to Gray)

Patent 5155488: D/A conversion circuit
(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 5155489: Segmented encoder and digital memory particularly for flash analog-to-digital converters
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Parallel type : Including priority encoder :)

Patent 5155490: Geodetic surveying system using multiple GPS base stations
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : With accuracy enhancing : Using differential correction :)

Patent 5155491: Satellite radio signal tracking method for GPS receivers
(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) : Satellite selection (i.e., tracking or acquisition) :)

Patent 5155492: Dual mode active aperture
(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 5155493: Tape type microstrip patch antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)

Patent 5155494: Vehicle antenna system
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body :)

Patent 5155495: Radio antennas
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Plural separate diverse type : Light)

Patent 5155496: Device for automatically expanding and contracting antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Rod type : Telescoping : Flexible rod actuated : Quarter-wave transformer)

Patent 5155497: Service station for ink-jet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Wiping : Movement)

Patent 5155498: Method of operating an ink jet to reduce print quality degradation resulting from rectified diffusion
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Drive waveform : Plural pulses :)

Patent 5155499: Image-edge-printing controller
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Array : Plural pulses)

Patent 5155500: Magnetic recording device using magnetic fluid developing agent
(RECORDERS : MAGNETOGRAPHIC : Electrochemical)

Patent 5155501: Electrophotographic apparatus with frequency and duty ratio control
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : With medium for receiving an image or feeding means therefor : Including toner delivery means : Fixing or fusing)

Patent 5155502: Ink-jet cartridge
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : With integral ejector : Drop sensors)

Patent 5155503: Ink jet recording apparatus with detection of environmental condition used to control dot thinning rate
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Responsive to condition : Full-line array)

Patent 5155504: Thermal ink jet printing apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Head separate from fluid supply : Flow path)

Patent 5155506: Electrophotographic apparatus maintaining exposure device in a fixed relationship to the photosensitive member when paper jams are cleared
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Housing or mounting : Lens)

Patent 5155507: Mounting for resilient glasses temples
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Temples : Brace arm extends along edge of lens)

Patent 5155508: Ophthalmic prismatic image relocating eye glasses for persons having retinitis pigmentosa and hemianopia and method for making same
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Combined : Neck retainers)

Patent 5155509: Oblique illumination device for use with an ophthalmic microscope
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Of abnormal muscular functioning)

Patent 5155510: Digital sound system for motion pictures with analog sound track emulation
(OPTICS: MOTION PICTURES : WITH SOUND ACCOMPANIMENT : Common picture and sound record carrier systems : Flexible strip type : On picture and sound records)

Patent 5155511: Camera using film with magnetic memory
(PHOTOGRAPHY : WITH DATA RECORDING : Magnetically on film or film cassette : Recording head position control : Having auxiliary illumination)

Patent 5155512: Camera with handgrip
(PHOTOGRAPHY : CAMERA SUPPORT : Operator supported : Integral with camera body : Having film transport mechanism locked by perforation sensing pawl)

Patent 5155513: Data imprinting device for camera
(PHOTOGRAPHY : WITH DATA RECORDING : Optical : Segmented alphanumeric indicia : Having auxiliary illumination)

Patent 5155514: Cartridge loading chamber
(PHOTOGRAPHY : MAGAZINE CAMERA : Plate camera)

Patent 5155515: Camera having motor-driven zoom lens
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Manually selected preset zoom position or range : Motorized lens displacement)

Patent 5155516: View finder optical system with eye direction detection device
(PHOTOGRAPHY : WITH VIEWFINDER : Rear plates replaceable)

Patent 5155517: Optical system with improved field mask
(PHOTOGRAPHY : WITH VIEWFINDER : Selective or adjustable viewfinder field : Zoom : Base guide)

Patent 5155518: Focus detecting apparatus
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Reliability of focus/distance signal : With mechanical rangefinder)

Patent 5155519: Camera having a synchronized-shutter-time control device for flash photography
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Exposure control circuit with illumination mode : Shutter speed function only : And reflector or refractor)

Patent 5155520: Camera apparatus having image correcting function against instability of shooting thereof
(PHOTOGRAPHY : CAMERA SHAKE SENSING : With accelerometer : And means to move film)

Patent 5155521: Counter-driven shutter actuator control circuit
(PHOTOGRAPHY : EXPOSURE CONTROL CIRCUIT : Pulse train type : Having indicator)

Patent 5155522: Self centering bi-directional electromagnetic actuator
(PHOTOGRAPHY : EXPOSURE CONTROL CIRCUIT : Direct drive galvanometer control device : Circuit detail : Indicating power source status)

Patent 5155523: Workpiece supporting mechanism
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)

Patent 5155524: Photographic copier with masking device and copying method
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Including photocell or phototube : Vertical optical path)

Patent 5155525: Method of exposing sensitized graphic art film and paper
(PHOTOCOPYING : CONTACT PRINTING : Methods : With platen)

Patent 5155526: Electrophotographic copying apparatus having axially aligned developing elements
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Combined or plural functions by single component : Film process head)

Patent 5155527: Changeable process cartridge used in an image forming apparatus having a useable life determining means
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Toner : Deterioration or developability of toner : On or adjacent to platen)

Patent 5155528: Apparatus for controlling concentration of toner in the liquid toner of a recording apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : Detection of toner in developing unit : Concentration detection : Optical detector :)

Patent 5155529: Detection of transfer and fusing problems in electrostatographic machines
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Image forming component : Toner)

Patent 5155530: Toner process control system based on toner developed mass, reflectance density and gloss
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Bias control : By concentration detector)

Patent 5155531: Apparatus for decomposing ozone by using a solvent mist
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Forced air circulation : Having filtering (e.g., ozone removal) : Having priority interrupt)

Patent 5155532: Method for developing an electrostatic latent image
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Regulating (e.g., doctor) : By magnetic brush)

Patent 5155533: Bias application control device for image forming equipment
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Development prevention : Bias voltage : Opposite polarity)

Patent 5155534: Apparatus for forming and developing latent electrostatic images with liquid developer and release agent
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Liquid development : Bias voltage)

Patent 5155535: Transfer apparatus having a transfer member with vacuum means
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Color : Copy medium carrier (e.g., drum or belt) : Having gripper : Vacuum or pneumatic : By magnetic brush)

Patent 5155536: Image forming apparatus including toner image fixing device using fusing sheets
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Continuous web : Cleaning member)

Patent 5155537: Sheet feeding apparatus with a plurality of easily loaded cassettes
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Feeding to transfer position : Plural copy medium sources : Length adjustment)

Patent 5155538: Automatic mode change to enhance document copier efficiency
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Original and copy : Duplex : Lamination)

Patent 5155539: Sheet separating mechanism
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Electrostatic : Having copy medium guide : Retractable : Vacuum or pneumatic)

Patent 5155540: Automatic duplex recording apparatus having detectors for controlling feeding and refeeding of a recording sheet
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Delivering from transfer position : Re-fed for additional image : Having intermediate storage : Cyclically (e.g., with movement of copy))

Patent 5155541: Single pass digital printer with black, white and 2-color capability
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Plural diverse (e.g., color) : Toner images overlapped : Opposite polarity : Optical detector)

Patent 5155542: Doublet pulse phase conjugate atmospheric energy transfer system
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having different frequency sources)

Patent 5155543: Adjustable flow cytometer
(OPTICS: MEASURING AND TESTING : PLURAL TEST : Lamp attachments)

Patent 5155544: Foucault method for testing an optical surface
(OPTICS: MEASURING AND TESTING : LENS OR REFLECTIVE IMAGE FORMER TESTING : With lamp focusing)

Patent 5155545: Method and apparatus for the spectroscopic concentration measurement of components in a gas mixture
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Lamp attachments)

Patent 5155546: Method for quantitative detection of organic materials in rocks and sediments using visible light spectra
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Lamp attachments)

Patent 5155547: Power control circuit for inductively coupled plasma atomic emission spectroscopy
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With sample excitation (e.g., burning) : By high frequency field (e.g., plasma discharge) : Including sputtering)

Patent 5155548: Passive fiber optic sensor with omnidirectional acoustic sensor and accelerometer
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Using fiber or waveguide interferometer : Multiplexed sensor array : By dithering (suspensions, drives, flexures))

Patent 5155549: Method and apparatus for determining the physical properties of materials using dynamic light scattering techniques
(OPTICS: MEASURING AND TESTING : FOR SIZE OF PARTICLES : By particle light scattering : Having adjustable color or bandwidth)

Patent 5155550: Accurate correlator of rotational and translational motions and control method and apparatus
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having light beams of different frequencies (e.g., heterodyning) : For dimensional measurement (e.g., thickness gap, alignment, profile) : Displacement or distance : Polarization : With specific counter type timing of returns)

Patent 5155551: Laser referencing system for refractively scanning interferometer
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Spectroscopy : Having a rotating, pendulous, or wedge scanning element : With diffraction grating means)

Patent 5155552: Interferometric device for detecting and measuring the concentration of an absorbing gas, particularly in the infrared
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Spectroscopy : Polarization : With diffraction grating means)

Patent 5155553: Multiple-color null lens employing refractive and diffractive optical elements
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Holography : Imaging)

Patent 5155554: Large aperture reflective interferometer for measuring convex spherical surfaces
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having polarization : For dimensional measurement : Contour or profile : Having wavefront division (e.g., by diffraction))

Patent 5155555: Monitoring of film formers
(OPTICS: MEASURING AND TESTING : DIMENSION : Thickness : Of light permeable material : Moire)

Patent 5155556: Hand-held drill bit tester
(OPTICS: MEASURING AND TESTING : BY CONFIGURATION COMPARISON : With object being compared and scale superimposed : For comparison with master or desired configuration)

Patent 5155557: Optical alignment detection apparatus
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With registration indicia (e.g., scale) : For comparison with master or desired configuration)

Patent 5155558: Method and apparatus for analyzing the appearance features of a surface
(OPTICS: MEASURING AND TESTING : OF LIGHT REFLECTION (E.G., GLASS) : With diffusion : With scanning, sweeping, or moving detector over film)

Patent 5155559: High temperature refractory silicide rectifying contact
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Layered : At least one layer of silicide or polycrystalline silicon : Silicide of refractory or platinum group metal : With polycrystalline connecting region (e.g., polysilicon base contact))

Patent 5155560: Semiconductor index guided laser diode having both contacts on same surface
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Light responsive structure : Having narrow energy band gap (<<1eV) layer (e.g., PbSnTe, HgCdTe, etc.) : Layer is a group III-V semiconductor compound : Enhancement mode (e.g., so-called SITs))

Patent 5155561: Permeable base transistor having an electrode configuration for heat dissipation
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified configuration : Solder composition)

Patent 5155562: Semiconductor device equipped with a conductivity modulation MISFET
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Short channel insulated gate field effect transistor : Active channel region has a graded dopant concentration decreasing with distance from source region (e.g., double diffused device, DMOS transistor) : All contacts on same surface (e.g., lateral structure) : With means to reduce ON resistance)

Patent 5155563: Semiconductor device having low source inductance
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Short channel insulated gate field effect transistor : Multiple insulator layers (e.g., MNOS structure))

Patent 5155564: Thin-film transistor array
(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 : With heavily doped regions contacting amorphous semiconductor material (e.g., heavily doped source and drain) : High temperature (i.e., >30o Kelvin))

Patent 5155565: Method for manufacturing an amorphous silicon thin film solar cell and Schottky diode on a common substrate
(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 : With particular contact geometry (e.g., ring or grid, or bonding pad arrangement) : With particular contact geometry (e.g., ring or grid))

Patent 5155566: Organic thin film element
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : ORGANIC SEMICONDUCTOR MATERIAL : Tunneling through region of reduced conductivity)

Patent 5155567: Amorphous photoconductive material and photosensor employing the photoconductive material
(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 : With active region having effective impurity concentration less than 10 12 atoms/cm 3)

Patent 5155568: High-voltage semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Bidirectional rectifier with control electrode (gate) (e.g., Triac) : With means to increase reverse breakdown voltage : Guard ring or groove)

Patent 5155569: Thyristor device with improved turn-off characteristics
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Bidirectional rectifier with control electrode (gate) (e.g., Triac) : Switching speed enhancement means : Guard ring or groove)

Patent 5155570: Semiconductor integrated circuit having a pattern layout applicable to various custom ICs
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Including high voltage or high power devices isolated from low voltage or low power devices in the same integrated circuit : Including dielectric isolation means : Connected across base-collector junction of transistor (e.g., Baker clamp))

Patent 5155571: Complementary field effect transistors having strained superlattice structure
(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 : Superlattice : Strained layer superlattice : Si x Ge 1-x :)

Patent 5155572: Vertical isolated-collector PNP transistor structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With enlarged emitter area (e.g., power device) : With means to reduce transistor action in selected portions of transistor (e.g., heavy base region doping under central web of emitter to prevent secondary breakdown) : With current ballasting means (e.g., emitter ballasting resistors or base current ballasting means))

Patent 5155573: Ferroelectric capacitor and a semiconductor device having the same
(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 in trench : Storage node isolated by dielectric from semiconductor substrate : Si x Ge 1-x)

Patent 5155574: Semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : Light responsive or combined with light responsive device : Electrode structures or materials)

Patent 5155575: Chip carrier for a microwave semiconductor component
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : On integrated circuit)

Patent 5155576: Semiconductor integrated circuit having a multilayer wiring structure
(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) : Including organic insulating material between metal levels : With polycrystalline connecting region (e.g., polysilicon base contact))

Patent 5155577: Integrated circuit carriers and a method for making engineering changes in said carriers
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified configuration : Solder composition)

Patent 5155578: Bond wire configuration and injection mold for minimum wire sweep in plastic IC packages
(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 5155579: Molded heat sink for integrated circuit package
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With provision for cooling the housing or its contents : With gas coolant : With fins : Pin grid type)

Patent 5155580: Side panel signal processor for a widescreen television system
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : For removal of low amplitude random noise (e.g., variable bandwidth) : For color television)

Patent 5155581: Electronic still video camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Color balance (e.g., white balance) : With means for preventing colored object from effecting color balance : Monitor (including for controlling camera))

Patent 5155582: Dot crawling interference elimination device and color subcarrier vertical correlation detection device
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Masking (e.g., R, G, B to R`, G`, B`))

Patent 5155583: Video signal processing system with selective signal extraction and delay
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Including comb filter (e.g., using line, field, frame delays) : Including feedback control)

Patent 5155584: Image recording reproducing apparatus switching image sensor signals or reproduced signals to an A/D converter
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : With details of static memory for output image (e.g., for a still camera) : Storage of additional data : Processing or camera details :)

Patent 5155585: Image pickup apparatus for receiving light and converting to an electrical signal corresponding to the light
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Lens or filter substitution : Servo unit structure or mechanism)

Patent 5155586: Method and apparatus for flare correction
(TELEVISION : SPECIAL APPLICATIONS : Film, disc or card scanning : Motion picture film scanner : Color TV : With modification of scanner sweep)

Patent 5155587: Color conversion method for reproducing an image and an image reproducing device incorporating the same
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Black signal synthesis : With memory for storage of conversion data)

Patent 5155588: Color correction and apparatus for photographic reproduction
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Gamma correction : With plural sensors)

Patent 5155589: Storage and retrieval of images from a grey image having artificially enhanced color regions
(TELEVISION : IMAGE FALSIFICATION TO IMPROVE VIEWER PERCEPTION OF SELECTIVE OBJECT (E.G., MOVING OBJECT OR TARGET) : False color : Field or frame difference (e.g., moving frame))

Patent 5155590: System for data channel level control
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH UPSTREAM COMMUNICATION : Remote testing of cable system : Server or headend)

Patent 5155591: Method and apparatus for providing demographically targeted television commercials
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : PROGRAM, MESSAGE, OR COMMERCIAL INSERTION OR SUBSTITUTION : Based on demographics or geographical area : Combined with detecting VCR operation)

Patent 5155592: Image processing system
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Transform : Discrete cosine : Half-pixel refinement)

Patent 5155593: Video signal coding method
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Intra/inter selection : Subband coding)

Patent 5155594: Hierarchical encoding method and apparatus employing background references for efficiently communicating image sequences
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Plural : Subband coding)

Patent 5155595: Genlock frequency generator
(TELEVISION : SYNCHRONIZATION : Specified color)

 

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