Patents 5057675 - 5057927

 

 

Patent 5057675: Patch cord length calculator
(REGISTERS : CALCULATORS : Bar : Slide rules : Special use slide rule : Control of functions from platen or paper feed)

Patent 5057676: Portable electronic apparatus
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Vote counters)

Patent 5057677: Transaction monitoring and security control system for the sale and distribution of articles
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Credit or identification card systems : Price determination)

Patent 5057678: Magnetic sensor and card reader containing it
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Magnetic : Raised or depressed portions on record)

Patent 5057679: Technique for attaching an electronic module to a card body to form an electronic memory card
(REGISTERS : RECORDS : Conductive : Aligning records)

Patent 5057680: Ultrafast gating apparatus having characteristic impedance of strip line smaller on its input side than the output side
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Electron multiplier : With comparison)

Patent 5057681: Long range triangulating coordinate finder
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive nonimage detecting elements : With comparison)

Patent 5057682: Quiescent signal compensated photodetector system for large dynamic range and high linearity
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Special photocell or electron tube circuits : Compensation : Light amplifier type)

Patent 5057683: Error preventive circuit for a photoelectric switch
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Special photocell or electron tube circuits : Ambient light desensitizing means : Light amplifier type)

Patent 5057684: Unitary aligning and gapping apparatus for modular optical shaft encoder
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light valve (e.g., iris diaphragm) : Actuated by dynamic external physical quantity : Shaft angle transducers : Bottles)

Patent 5057685: Optical rotation detector including a disk having slits with concave and convex parts and method of manufacturing
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light valve (e.g., iris diaphragm) : Actuated by dynamic external physical quantity : Shaft angle transducers : Incremental shaft readers; i.e., with means to generate increments of angular shaft rotation :)

Patent 5057686: Self-stabilizing photoelectric displacement detector
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light valve (e.g., iris diaphragm) : Actuated by dynamic external physical quantity : Shaft angle transducers : Incremental shaft readers; i.e., with means to generate increments of angular shaft rotation : Using phase difference of output signals from plural photodetectors :)

Patent 5057687: Detector assembly with plural optical axes
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Housings (in addition to cell casing) : Hoods, grating, baffles, diaphragms, masks)

Patent 5057688: Method for the determination of the element concentration in electron beam melting
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Methods : Magnetic field path-bending means)

Patent 5057689: Scanning electron microscope and a method of displaying cross sectional profiles using the same
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Electron probe type : Magnetic field path-bending means)

Patent 5057690: Battery driven 8 channel pulse height analyzer with compact, single gamma-peak display
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Including means for scanning field of view)

Patent 5057691: Dilution material, filter and accessory for measuring infrared spectra
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With selection of plural discrete wavelengths or bands : With radiation source : Measuring infrared radiation reflected from sample : Including Fourier transform infrared spectrometry)

Patent 5057692: High speed, radiation tolerant, CT scintillator system employing garnet structure scintillators
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : With or including a luminophor : With relative movement means)

Patent 5057693: Radiation dose reading apparatus
(RADIANT ENERGY : INVISIBLE RADIATION RESPONSIVE NONELECTRIC SIGNALLING : Luminescent device : Requiring an additional energy source to cause luminescence : With optically-stimulated phosphor : Dosimeter : Incremental shaft readers; i.e., with means to generate increments of angular shaft rotation)

Patent 5057694: Optoelectronic relay circuit having charging path formed by a switching transistor and a rectifying diode
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Signal isolator : Controlling light source intensity)

Patent 5057695: Method of and apparatus for measuring the inside information of substance with the use of light scattering
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Fluent material in optical path : Plural paths : Tape, drum, or disc types)

Patent 5057696: Vertical windmill with omnidirectional diffusion
(PRIME-MOVER DYNAMO PLANTS : ELECTRIC CONTROL : Fluid-current motors : Wind : Stop cranking responsive to generator output)

Patent 5057697: DC uninterrupted power supply having instantaneous switching followed by low impedance switching
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Substitute or emergency source : Storage battery or accumulator : Serially connected sources)

Patent 5057698: Shunt circuit for reducing audible noise at low loading conditions of a power supply employing a high frequency resonant converter
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Substitute or emergency source : Storage battery or accumulator : Serially connected sources)

Patent 5057699: Switch interface for determining position of a plurality of switches using a determined time
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : COMBINED IMPEDANCE AND SWITCH SYSTEMS : Condition responsive)

Patent 5057700: Light control circuit for camcorder
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Condition responsive : Electrical : Speed, centrifugal or kinetic force)

Patent 5057701: High speed low skew clock circuit
(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 5057702: Duty radio control circuit apparatus
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Rectangular (e.g., clock, etc.) or pulse waveform width control : Duty cycle control : By phase)

Patent 5057703: Working/standby clock pulse supply for digital systems
(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 5057704: Semiconductor integrated circuit having substrate potential detecting circuit commonly used
(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 : With battery connected across rectifier)

Patent 5057705: Clock formation circuit with phase locked loop control
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With feedback : Phase lock loop : Phase lock loop)

Patent 5057706: One-shot pulse generator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Rectangular (e.g., clock, etc.) or pulse waveform width control : Having digital device (e.g., logic gate, flip-flop, etc.) : By phase)

Patent 5057707: Charge pump including feedback circuitry for eliminating the requirement of a separate oscillator
(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 : Charge pump details : With emitter follower)

Patent 5057708: Duplex system having a function to suppress radio wave radiation
(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 5057709: Current threshold detector circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Input signal compared to single fixed reference : With logic or bistable circuit)

Patent 5057710: Electret materials and the method for preparing the electret materials
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : ELECTRETS : Connecting or disconnecting)

Patent 5057711: Noise reducing output buffer circuit for an integrated circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Output switching noise reduction : With field effect-transistor : Depletion or enhancement)

Patent 5057712: Address transition detector for programmable logic array
(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 : Bus driving : Having plural output pull-up or pull-down transistors)

Patent 5057713: Bipolar MOS logic circuit and semiconductor integrated circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Bipolar and FET : Bi-CMOS : CMOS)

Patent 5057714: BiCMOS integrated circuit device utilizing Schottky diodes
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Bipolar and FET : Bi-CMOS : CMOS)

Patent 5057715: CMOS output circuit using a low threshold device
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Field-effect transistor (e.g., JFET, etc.) : MOSFET (i.e., metal-oxide semiconductor field-effect transistor) : CMOS : Having plural output pull-up or pull-down transistors)

Patent 5057716: Linearly compensated slope multiplier
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : Combining of plural signals : Product : Having feedback : Field-effect type device)

Patent 5057717: Logarithmic amplifier circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : Logarithmic : With cascade network : RMS)

Patent 5057718: CMOS regenerative sense amplifier with high speed latching
(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 : With transformer)

Patent 5057719: Passively forced current sharing among transistors
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Parallel controlled paths : Field-effect transistor : Including negative resistance device in delay circuit (e.g., unijunction transistor, etc.))

Patent 5057720: Output buffering H-bridge circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Bridge circuit : Field-effect transistor : With complementary transistor devices)

Patent 5057721: Level shift circuit for controlling a driving circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Parallel controlled paths : Field-effect transistor : Including negative resistance device in delay circuit (e.g., unijunction transistor, etc.))

Patent 5057722: Delay circuit having stable delay time
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Having specific active circuit element or structure (e.g., complementary transistors, etc.) : Field-effect transistor : Electron tube)

Patent 5057723: Linear motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Piezoelectric element shape)

Patent 5057724: Ceramic magnet motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Reciprocating : With other elements : Sphere or hemisphere)

Patent 5057725: Rotary electric machine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Vibration or noise suppression : Step-by-step)

Patent 5057726: Structureborne vibration-compensated motor arrangement having back-to-back twin AC motors
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Inbuilt or incorporated unit : Heat-exchange structure)

Patent 5057727: Shaft position sensor employing a wiegand-effect device
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Electric circuit elements : Condition responsive (e.g., position, torque, etc.) : Distributor or timer (e.g., ignition magnetos))

Patent 5057728: Three step electric brake
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Drive mechanism : Brake : Distributor or timer (e.g., ignition magnetos))

Patent 5057729: Resin-sealed rotary actuator for variable shock absorber
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Mechanical shields or protectors : Housings, windows or covers : Impulse coupling)

Patent 5057730: Structure for locating permanent magnets in dynamic electric machine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Supports : Magnetic bearing)

Patent 5057731: Simplified spindle motor for disc drive
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Field or excitation windings or structure : Single phase)

Patent 5057732: Electric motor having a molded housing and connector plates projected thereon
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Armature or primary : Coils : Wave)

Patent 5057733: Modular coil cores for electric motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Rotor structure : Armatures : Salient pole : With composition feature)

Patent 5057734: Apparatus for driving piezoelectric element for closing and opening valve member
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Electrical systems : Input circuit for mechanical output from piezoelectric element : Charging and discharging)

Patent 5057735: Reflector lamp unit with independently adjustable lamp mount
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH ENVELOPE : Having base and connector : Having a reflector in combination with base : Resilient mechanical means for attaching the base to the envelope)

Patent 5057736: Directly-heated cathode structure
(ELECTRIC LAMP AND DISCHARGE DEVICES : ELECTRODE AND SHIELD STRUCTURES : Filament or resistance heated electrodes : Coated : Resilient mechanical means for attaching the base to the envelope)

Patent 5057737: Color picture tube mask frame
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Screen : Phosphor composition : Plural)

Patent 5057738: Soft magnetic MgMnZn-ferrite material, deflection ring manufactured from said material, and as a cathode-ray tube comprising a deflection coil
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : With yoke : Electrostatic)

Patent 5057739: Matrix array of cathode ray tubes display device
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Envelope : Support)

Patent 5057740: Photoemissive trigger for backlighted thyratron switches
(ELECTRIC LAMP AND DISCHARGE DEVICES : PHOTOSENSITIVE : Photocathode : Having plural dynodes)

Patent 5057741: Glow discharge starter having dual gaps
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Negative or cathode glow device : With positive ion or cathode shield)

Patent 5057742: Discharge tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Having electrode lead-in or electrode support sealed to envelope : With positive ion or cathode shield)

Patent 5057743: Metal halide discharge lamp with improved color rendering properties
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : With particular gas or vapor : With metal vapor : Mercury vapor : Plural serial apertured electrodes)

Patent 5057744: System for the display of luminous data with improved readability
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : With radiant energy sensitive control means : Plural cathode-ray tubes or ray-type tubes)

Patent 5057745: Low-pressure discharge lamp driving circuit
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH CATHODE OR CATHODE HEATER SUPPLY CIRCUIT : Plural cathodes or heaters in the load device : Pulsating or A.C. supply to the cathode or heater circuit)

Patent 5057746: Current sensing relay
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH CATHODE OR CATHODE HEATER SUPPLY CIRCUIT : Pulsating or A.C. supply to the cathode or heater circuit : Automatic cut-out or voltage regulator in the cathode or heater circuit : Thermostatic switch in the series circuit)

Patent 5057747: Arc lamp stabilization
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH RADIANT ENERGY SENSITIVE CONTROL MEANS : Radiant energy controlled regulation of the current supply for the load device : Selective energization of the load devices)

Patent 5057748: Power supply circuit for gas discharge tube
(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 5057749: Electronic power factor correction for ballasts
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : With power factor control device : Strobe lights)

Patent 5057750: Two-stage resonant starting circuit for an electrodeless high intensity discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Induction-type discharge device load : Strobe lights)

Patent 5057751: Protective coating for high-intensity metal halide discharge lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Induction-type discharge device load : Strobe lights)

Patent 5057752: Circuit arrangement for igniting and operating gas-discharge lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : SURGE GENERATOR OR INDUCTANCE IN THE SUPPLY CIRCUIT : Periodic-type current and/or voltage regulator in the supply circuit)

Patent 5057753: Phase commutation circuit for brushless DC motors using a spike insensitive back EMF detection method
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 5057754: Moisture-sensing window cleaning control system
(ELECTRICITY: MOTIVE POWER SYSTEMS : AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) : Moisture content or wetness : Voltage)

Patent 5057755: Numerical control machining system
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : With program recording or composing means : Gearing)

Patent 5057756: Acceleration/deceleration control apparatus for servo control
(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 5057757: DC motor control in electronic sewing machine
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Pulse-width modulated power input to motor (e.g., "duty cycle" systems) : Slewing systems)

Patent 5057758: Passive payload for a cartridge handling system
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Digital or numerical systems : Pulse-counting systems : Commutating switch-type encoder)

Patent 5057759: Discrete-time AC motor control apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With stabilizing features (e.g., anti-hunting, damping) : By auxiliary feedback loop : Rate feedback : Optical or photoelectric line followers)

Patent 5057760: Torque determination for control of an induction motor apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Frequency control : Responsive to motor voltage)

Patent 5057761: Means for distinguishing between batteries capable of being fast charged and other batteries and for charging same accordingly
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : For diverse sizes of cells, batteries, or battery packs : Employing "jumper" cable)

Patent 5057762: System for determining battery charge states and charging sequence for a battery charger
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : SERIALLY CONNECTED BATTERIES OR CELLS : For handheld device)

Patent 5057763: High power supply for motor vehicle
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : COMBINED CONTROL OF GENERATING MEANS AND LOAD CIRCUIT : Including load circuit-making and breaking :)

Patent 5057764: Idling engine speed controlling apparatus for an engine
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : COMBINED CONTROL OF GENERATOR AND DRIVING MEANS : Electric motor as driving means)

Patent 5057765: Current regulation circuit for inductive loads
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Switched (e.g., switching regulators) : With ramp generator or controlled capacitor charging : Including filter sensing)

Patent 5057766: Apparatus for detecting position of charged particle
(ELECTRICITY: MEASURING AND TESTING : DETERMINING NONELECTRIC PROPERTIES BY MEASURING ELECTRIC PROPERTIES : Beam of atomic particles : Mechanically actuated switch)

Patent 5057767: Optical communications light shield for energy meter
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Using radiant energy : Conductive field (e.g., mercury))

Patent 5057768: Measuring device with variable color display
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Plural ranges, scales or registration rates : Tape, sheet (e.g., disk) or wire (e.g., magnetic) storage)

Patent 5057769: AC current sensor
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : With coupling means (e.g., attenuator, shunt) : Transformer (e.g., split core admits conductor carrying unknown current) : Digital voltmeters)

Patent 5057770: Electrical probe
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : With probe, prod or terminals : Soft iron vane)

Patent 5057771: Phase-locked timebase for electro-optic sampling
(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 electro-optic device : Of reflected test signal)

Patent 5057772: Method and system for concurrent electronic component testing and lead verification
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Using electro-optic device)

Patent 5057773: Method for opens/shorts testing of capacitively coupled networks in substrates using electron beams
(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 5057774: Apparatus for measuring the quiescent current of an integrated monolithic digital circuit
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : By spark or arc discharge)

Patent 5057775: Method of testing control matrices for flat-panel displays
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Liquid crystal device test : With barrier layer)

Patent 5057776: Pulsed field MRI system with non-resonant excitation
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5057777: Quadrature coil construction
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5057778: Double tuned NMR coils
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Electronic circuit elements : With homogeneity control)

Patent 5057779: Temperature independent voltage monitor for use in a battery operated electronic device
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a battery testing device : With temperature compensation of measured condition : Including an integrating device)

Patent 5057780: Method and apparatus for measuring trigger and latchback voltage of a semiconductor device
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : By spark or arc discharge)

Patent 5057781: Measuring and controlling the thickness of a conductive coating on an optical fiber
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using resonant frequency : To determine dimension (e.g., distance or thickness) : Field effect transistor)

Patent 5057782: Microwave spectrometer
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : Where energy is transmitted through a test substance : Field effect transistor)

Patent 5057783: Automatic impedance matching
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With pulse signal processing circuit : Including a tuned or resonant circuit)

Patent 5057784: Automatic reading apparatus for capstan reproducing speed mode
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Speed : Responsive to tape transport)

Patent 5057785: Method and circuitry to suppress additive disturbances in data channels
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : By limiting, clipping, or clamping : Transient or signal noise reduction : By filtering : Resistor in cross-coupling path)

Patent 5057786: Quadrature amplitude modulation wave demodulator provided with band-pass filters for fixed equalizer
(DEMODULATORS : PHASE SHIFT KEYING OR QUADRATURE AMPLITUDE DEMODULATOR : Including logic element (e.g., logic gate or flip-flop)

Patent 5057787: Variable gain differential amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having gain control means :)

Patent 5057788: 2-stage differential amplifier connected in cascade
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having particular biasing arrangement :)

Patent 5057789: Class AB CMOS amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including push-pull amplifier : Having complementary symmetry : And field effect transistor :)

Patent 5057790: High efficiency class A amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including push-pull amplifier : Having complementary symmetry : And particular biasing arrangement : To eliminate crossover distortion :)

Patent 5057791: Device and method for bi-directional amplification with a JFET
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including field effect transistor : Having transformer)

Patent 5057792: Current mirror
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including current mirror amplifier : Of diode type)

Patent 5057793: Frequency synthesizer PLL having digital and analog phase detectors
(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 5057794: Phase-locked loop with pattern controlled bandwidth circuit
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : AFC with logic elements : Reactance device (e.g., variable capacitors, saturable inductors, reactance tubes, etc.))

Patent 5057795: Digital gaussian white noise generation system and method of use
(OSCILLATORS : ELECTRICAL NOISE OR RANDOM WAVE GENERATOR : Wave filter)

Patent 5057796: Digital frequency modulation system in which high and low frequency portions are processed separately
(MODULATORS : PULSE OR INTERRUPTED CONTINUOUS WAVE MODULATOR : Pulse position, frequency, phase, or spacing modulator : Including electron discharge device :)

Patent 5057797: System for transmitting broadband data and/or instructions between an element moving in one plane and a control station
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Fluid-cooling)

Patent 5057798: Space-saving two-sided microwave circuitry for hybrid circuits
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : With impedance matching : Having long line elements : Having plural concentric helices)

Patent 5057799: Damping device
(WAVE TRANSMISSION LINES AND NETWORKS : ATTENUATORS : Having negative impedance)

Patent 5057800: Apparatus and method for diffracting MSW in a garnet film using SAW
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : For providing frequency separation : Utilizing electromechanical transducer : Using TEM lines)

Patent 5057801: Filter device of piezo-electric type including divided co-planar electrodes
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Using bulk mode piezoelectric vibrator : Monolithic structure)

Patent 5057802: Ladder-type electric filter apparatus and housing therefor
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Using bulk mode piezoelectric vibrator : Plural coupled vibrators : Resiliently mounted components)

Patent 5057803: Stripline split ring resonator bandpass filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Stripline or microstrip : Plural mechanically coupled disk resonators)

Patent 5057804: Dielectric resonator circuit
(WAVE TRANSMISSION LINES AND NETWORKS : RESONATORS (DISTRIBUTED PARAMETER TYPE) : Dielectric type : Providing negative resistance)

Patent 5057805: Microwave semiconductor device
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Strip type : Semiconductor mounts : Having movable element)

Patent 5057806: Crossbar assembly
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Automatic circuit-interrupting devices (e.g., circuit-protective devices) : Multipole or polyphase : With individual latch or trip means in each leg :)

Patent 5057807: Keyboard switch
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : PERMANENT MAGNET-ACTUATED SWITCHES : Plural magnets : Pivoted or relatively movable independently of the armature)

Patent 5057808: Transformer with voltage balancing tertiary winding
(INDUCTOR DEVICES : POLYPHASE : Interconnected windings :)

Patent 5057809: Variable inductance RF coil assembly
(INDUCTOR DEVICES : WITH MEANS TO CHANGE COIL LENGTH OR CONNECTIONS : With variable number of short-circuited turns : With contactor guide track)

Patent 5057810: Arrester isolator-disconnector
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Space discharge device (gaps, lightning arrester, etc.) : With explosive or combustible material : Bimetallic element)

Patent 5057811: Electrothermal sensor
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Current and/or voltage (e.g., ballast resistor) : Thermistor type :)

Patent 5057812: Noise-suppressing high-tension resistance cable
(ELECTRICAL RESISTORS : IGNITION INTERFERENCE SUPPRESSOR TYPE : Mechanically variable resistor)

Patent 5057813: Oil level sensor for an internal combustion engine
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Fluid level : Of lubricant (e.g., engine oil) : Inductive)

Patent 5057814: Electrical malfunction detection system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Lamp or lamp circuit condition : Of service interval expiration)

Patent 5057815: Combat vehicle light signaling system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External signal light system : Acceleration or deceleration)

Patent 5057816: Multizone intruder detection system with forced walk-test
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Alarm system supervision : With ringback)

Patent 5057817: Intruder detection system with passive self-supervision
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Alarm system supervision : With ringback)

Patent 5057818: Security map display and alarm monitor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Selection from a plurality of sensed conditions : Condition position indicator : Display board : Specifying particular start/destination)

Patent 5057819: Alarmed safety cushion
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))

Patent 5057820: Optical warning system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Radiant energy : Current modifier or generator)

Patent 5057821: Filter sentry apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Flow rate : Vane in flow path : Having means locking device to article)

Patent 5057822: Medical gas alarm system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Flow rate : Pressure : Having means locking device to article)

Patent 5057823: Probe for sensing the presence of liquid in a container
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Material level : Liquid : Electrode probe : Laser)

Patent 5057824: Electronic apparatus with on-switch to conserve battery before closing switch
(TELECOMMUNICATIONS : TRANSMITTER : Power control, power supply, or bias voltage supply : Automatic adjustment of tuning)

Patent 5057825: Window display control device
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Window or viewpoint : Window memory structure : On-screen link or communication (e.g., cue))

Patent 5057826: Digital TV raster scan waveform display device with images of selectable size and position
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graph generating : Real-time waveform display : Image based (addressing))

Patent 5057827: Means and method for producing an optical illusion
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Physically movable array : Addressing)

Patent 5057828: Display device comprising rotating display elements having a plurality of faces, and display panel composed of such devices
(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) : Plural mechanically movable display elements : With a permanent magnet placed on movable display elements : Input/output liquid crystal display panel)

Patent 5057829: Computer networking apparatus
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal over power line : Separate diverse device deactivated by timer)

Patent 5057830: Locking device operative with sequence of electric signals
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Having indication of improper access : Rule based input)

Patent 5057831: Vehicle simulation circuit for loop traffic signal control system
(COMMUNICATIONS: ELECTRICAL : VEHICLE DETECTORS : Inductive : Electromechanical movable auxiliary indicator)

Patent 5057832: Audible glide speed indicator apparatus
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Flight alarm : Stall : Magnetic field guide)

Patent 5057833: Passive optical air traffic alert system
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Potential collision with other aircraft : Particular energy guide source (e.g., sound, electric field, radio))

Patent 5057834: Method and device for monitoring the steering performance of vehicle operator
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Flight alarm : Particular energy guide source (e.g., sound, electric field, radio))

Patent 5057835: Map and text display system for vehicle navigation
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : Map display : Including particular display feature (e.g., indication of direction, mileage, road type, etc.) : Intersection turn guidance)

Patent 5057836: Data input apparatus having a microcomputer
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : With particular key scanning feature : With rollover feature (i.e., antidoublestrike))

Patent 5057837: Instruction storage method with a compressed format using a mask word
(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 5057838: D/A converter having centered switching sequence and centered arrangement of converter segment groups
(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 5057839: Integratable switched-capacitor sigma-delta modulator
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation) : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))

Patent 5057840: .SIGMA.-.DELTA.modulator for digital-to-analog converter
(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 5057841: Analog-to-digital converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Coarse and fine conversions : With rollover feature (i.e., antidoublestrike))

Patent 5057842: Outer wall of a structure located near a radar station
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADIO WAVE ABSORBER : With particular geometric configuration :)

Patent 5057843: Method for providing a polarization filter for processing synthetic aperture radar image data
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : SYNTHETIC APERTURE RADAR : Mapping or imaging using synthetic aperture radar (EPO) : Radar reacts to jamming)

Patent 5057844: Insulated underground antenna and method for utilizing same
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Radar transponder only : Distance measuring equipment (DME))

Patent 5057845: Radar apparatus employing different kinds of pulses
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DISTANCE : With pulse modulation : With variable pulse repetition frequency (PRF) or pulse width : With plural fixed range gates)

Patent 5057846: Efficient operation of probing radar in absorbing media
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : For pulse modulation : With pulse shaping : Cursor)

Patent 5057847: RF connector for connecting a mobile radiotelephone to a rack
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)

Patent 5057848: Broadband frequency meter probe
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Measuring signal energy :)

Patent 5057849: Rod antenna for multi-band television reception
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With lumped reactance filter in active antenna : Light)

Patent 5057850: Foreshortened log-periodic dipole antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Logarithmically periodic : Doublet type)

Patent 5057851: Method of exposing photosensitive medium for optimum density of reproduced image
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Feedback of light for intensity control : Housing or mounting)

Patent 5057852: Printhead for color printer providing image edge enhancement
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : Color type : Movement)

Patent 5057853: Thermal ink jet printhead with stepped nozzle face and method of fabrication therefor
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Composite ejector : Resistor specifics)

Patent 5057854: Modular partial bars and full width array printheads fabricated from modular partial bars
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : Full-line type : Movement)

Patent 5057855: Thermal ink jet printhead and control arrangement therefor
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Drive signal application :)

Patent 5057856: Liquid jet head, substrate of (TiZrHfNb) FeNiCr and liquid jet head and apparatus using the same
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Composite ejector : Protective : Integrated)

Patent 5057857: Photographic camera system having a pseudo focal length mode
(PHOTOGRAPHY : PSEUDO ZOOM : Camera release)

Patent 5057858: Developer recycler in connection with photo processing machine
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having fluid-circulating means : Having electrical circuit : Plural stations)

Patent 5057859: Camera having high-precision stop function for movable unit
(PHOTOGRAPHY : SELF-ORGANIZING SYSTEM : Including film processing tank)

Patent 5057860: Pressure developing device provided in an image recording apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Magnet)

Patent 5057861: Color image recorder and image projector useful therefor
(PHOTOCOPYING : USING MICROCAPSULES : Exposure :)

Patent 5057862: Alignment technique for a photographic enlarger
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Including reflector between original and photosensitive paper : Including)

Patent 5057863: Variable magnification optics for an image forming apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Focus or magnification control : Automatic or semiautomatic focusing when varying image size : Reflector between original and photo-sensitive paper :)

Patent 5057864: Apparatus for controlling the quantity of light of a copying apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Including shutter, diaphragm, polarizer or filter : Vertical optical path)

Patent 5057865: Burnout frame with UV-absorption
(PHOTOCOPYING : CONTACT PRINTING : Fluid pressure retention of carrier and receiver in exposure position : With plural webs of indeterminate length (e.g., motion picture film))

Patent 5057866: Remotely accessible copier calculator
(ELECTROPHOTOGRAPHY : REMOTE MONITORING : With diverse image formation)

Patent 5057867: Image forming apparatus which corrects the image forming factors in response to density sensing means and duration of inactive state
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Responsive to number of copies or passage of time : Single detector for plural toners)

Patent 5057868: Developing apparatus having a sealing construction for preventing a toner leakage
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Seal : Developer seal : Elastic material : Optical detector)

Patent 5057869: System for scanning signature pages
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Scan rate or document movement variation in accordance with data presence : Charge coupled device)

Patent 5057870: Toner density control device for an image forming apparatus
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Toner : Deterioration or developability of toner : On or adjacent to platen)

Patent 5057871: Developing device having a conductive porous toner-removing roller
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Unloading (e.g., scraper) : By magnetic brush)

Patent 5057872: Developer supplying device for supplying approximately constant amounts of developer
Patent 5057873: Method of cleaning a transfer drum of an electrophotographic apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Color : Copy medium carrier (e.g., drum or belt) : Having electrode)

Patent 5057874: Paper conveying apparatus
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Feeding to transfer position : In registration with image : Speed control of conveyance : Cyclically (e.g., with movement of copy))

Patent 5057875: Image forming apparatus provided with an image bearing film and a movable transfixing station
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Having overlayer : Film process head)

Patent 5057876: Image forming apparatus with an image editing function
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Exposure : Having image editing : Selectable area : Color : Optical detector)

Patent 5057877: Superconductor interconnection apparatus
(SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS : HIGH TEMPERATURE (TC GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING : Semiconductor thin film device or thin film electric solid-state device or system (i.e., active or passive) : Having optical waveguide)

Patent 5057878: M-I-M' device and fabrication method
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) : Tunneling through region of reduced conductivity : Ballistic transport device)

Patent 5057879: Noise reduction technique for breakdown diodes
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : AVALANCHE DIODE (E.G., SO-CALLED "ZENER" DIODE HAVING BREAKDOWN VOLTAGE GREATER THAN 6 VOLTS) : With specified housing or contact)

Patent 5057880: Semiconductor device having a heteroepitaxial substrate
(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 :)

Patent 5057881: Light emitting compositional semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : With heterojunction : Plural heterojunctions in same device : With heterojunction)

Patent 5057882: Thermally optimized interdigitated transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : Junction field effect transistor in integrated circuit : With means to adjust barrier height (e.g., doping profile))

Patent 5057883: Permeable base transistor with gate fingers
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : With multiple channels or channel segments connected in parallel, or with channel much wider than length between source and drain (e.g., power JFET) : Schottky gate in groove)

Patent 5057884: Semiconductor device having a structure which makes parasitic transistor hard to operate
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Combined with field effect transistor : With extended latchup current level (e.g., COMFET device) : Cathode emitter or cathode electrode feature : Enhancement mode (e.g., so-called SITs))

Patent 5057885: Memory cell system with first and second gates
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : Multiple insulator layers (e.g., MNOS structure) : With additional, non-memory control electrode or channel portion (e.g., accessing field effect transistor structure) : With charging or discharging by control voltage applied to source or drain region (e.g., by avalanche breakdown of drain junction))

Patent 5057886: Non-volatile memory with improved coupling between gates
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : With floating gate electrode : With additional contacted control electrode : With irregularities on electrode to facilitate charging or discharging of floating electrode :)

Patent 5057887: High density dynamic RAM cell
(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 : With means to insulate adjacent storage nodes (e.g., channel stops or field oxide) : Si x Ge 1-x)

Patent 5057888: Double DRAM cell
(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 : Stacked capacitor : Si x Ge 1-x)

Patent 5057889: Electronic device including thin film transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Single crystal semiconductor layer on insulating substrate (SOI) : Substrate is single crystal insulator (e.g., sapphire or spinel) : Single crystal islands of semiconductor layer containing only one active device : With means to reduce ON resistance)

Patent 5057890: Hall element
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Magnetic field : Magnetic field sensor in integrated circuit (e.g., in bipolar transistor integrated circuit) : With means to concentrate stress)

Patent 5057891: Planar heterojunction avalanche photodiode
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Light responsive structure : Avalanche photodetection structure : With lead feedthrough means on side of housing)

Patent 5057892: Light responsive avalanche diode
(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 : Light responsive pn junction : With particular contact geometry (e.g., ring or grid))

Patent 5057893: Static RAM cell with soft error immunity
(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) : Imaging array)

Patent 5057894: Semiconductor integrated circuit device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : Complementary insulated gate field effect transistors : Combined with bipolar transistor : For operation as bipolar or punchthrough element)

Patent 5057895: Trench conductor and crossunder architecture
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Including dielectric isolation means : Full dielectric isolation with polycrystalline semiconductor substrate : Dielectric in groove)

Patent 5057896: Semiconductor device and method of producing same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With multiple channels or channel segments connected in parallel, or with channel much wider than length between source and drain (e.g., power JFET))

Patent 5057897: Charge neutralization using silicon-enriched oxide layer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH MEANS TO CONTROL SURFACE EFFECTS : Insulating coating : Multiple layers : Three or more insulating layers : Thin film ballasting means (e.g., polysilicon resistor))

Patent 5057898: Double-gated semiconductor memory device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : Complementary insulated gate field effect transistors : Including resistor element)

Patent 5057899: Semiconductor device with improved wiring contact portion
(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 : Pin grid type)

Patent 5057900: Electronic device and a manufacturing method for the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Layered : With adhesion promoting means (e.g., layer of material) to promote adhesion of contact to an insulating layer : Pin grid type)

Patent 5057901: Lead frame for semi-conductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : By pressure alone : With adhesive means)

Patent 5057902: Self-aligned semiconductor devices
(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 : Polysilicon laminated with silicide : With polycrystalline connecting region (e.g., polysilicon base contact))

Patent 5057903: Thermal heat sink encapsulated integrated circuit
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Insulating material : With heat sink : Directly attached to semiconductor device : Pin grid type)

Patent 5057904: Socket unit for package having pins and pads
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With contact or lead : With particular lead geometry : External connection to housing : Polyimide or polyamide)

Patent 5057905: Container package for semiconductor element
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Ball shaped)

Patent 5057906: Plastic molded type semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Insulating material : With heat sink : Housing entirely of metal except for feedthrough structure)

Patent 5057907: Method and structure for forming vertical semiconductor interconnection
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Of specified material other than copper (e.g., Kovar (T.M.)))

Patent 5057908: High power semiconductor device with integral heat sink
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With provision for cooling the housing or its contents : Liquid coolant : Directly attached to semiconductor device)

Patent 5057909: Electronic device and heat sink assembly
(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 5057910: Method of displaying video signal phase characteristics
(TELEVISION : MONITORING, TESTING, OR MEASURING : Setup)

Patent 5057911: System and method for conversion of digital video signals
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Color encoder or chrominance signal modulator : For quadrature signal (e.g., NTSC))

Patent 5057912: Cathode-ray tube with interference filter and projection television system employing same
(TELEVISION : VIDEO DISPLAY : Projection device : Cathode-ray tube image source : With optical element : With screen or absorption filter : Concave mirror)

Patent 5057913: Hard copy simulator with stored data to correct for lighting conditions
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Photographic : Document feed)

Patent 5057914: Method of processing colored image in multilevel gradations
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : With memory for storage of conversion data)

Patent 5057915: System and method for attracting shoppers to sales outlets
(AMUSEMENT DEVICES: GAMES : INCLUDING MEANS FOR PROCESSING ELECTRONIC DATA (E.G., COMPUTER/VIDEO GAME, ETC.) : In a game requiring strategy or problem solving by a participant (e.g., problem eliciting response, puzzle, etc.) : Martial-art type (e.g., boxing, fencing, wrestling, etc.))

Patent 5057916: Method and apparatus for refreshing motion compensated sequential video images
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)

Patent 5057917: Real-time data compression of broadcast video signals
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)

Patent 5057918: Arrangement for encoding two-dimensional information, grouped in periodical information clusters using motion vector processing in a
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Involving hybrid transform and difference coding : With prior difference coding : Including motion vector : Contrast)

Patent 5057919: Picture signal interpolation circuit with gamma compensation
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Gray scale transformation : Nonlinear amplitude modification (e.g., gamma) : Including frame or field delays)

Patent 5057920: Video signal clamping circuit operating in the digital domain for removing excess noise on the black level and for providing d c
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : DC insertion : Insertion level derived by key signals : Level derived within feedback path : Keyed)

Patent 5057921: Process and device for temporal image interpolation, with corrected movement compensation
(TELEVISION : FORMAT CONVERSION : Changing number of fields for standard conversion : Frequency change of subcarrier)

Patent 5057922: Black level clamping circuit including video output stage
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : DC insertion : Level inserted during keying signals (e.g., keyed clamp) : Delayed AGC)

Patent 5057923: Image pickup device capable of picking up images while electronically enlarging the same
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Zoom : Electronic zoom : Details of communication between memory and camera)

Patent 5057924: Electronic still camera for converting and recording still image signal into a plurality of streams
(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 5057925: Still picture recorder utilizing a switch controlled timer
(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 5057926: Driving method for discharging overflow charges in a solid state imaging device
(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 5057927: Image sensing apparatus
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Exposure control : Automatic control of iris, stop, or diaphragm : By analyzing high frequency component)

 

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