|
Patent 5120986: Sine wave synthesis controller circuit for use with a neutral-point clamped inverter
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Generating sinusoidal output : With rectifying element)
Patent 5120987: Tunable timer for memory arrays
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Rectangular (e.g., clock, etc.) or pulse waveform width control : Having negative resistance device (e.g., tunnel diode, etc.))
Patent 5120988: Clock generator circuit providing reduced current consumption
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Using multiple clocks : Responsive to power supply)
Patent 5120989: Simplified clock distribution in electronic systems
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Frequency or repetition rate conversion or control : Of output rectangular waveform : Push-pull)
Patent 5120990: Apparatus for generating multiple phase clock signals and phase detector therefor
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By phase :)
Patent 5120991: Driver circuit for converting a CMOS level signal to a high-voltage level
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Current driver : Having digital device (e.g., logic gate, flip-flop, etc.))
Patent 5120992: CMOS output driver with transition time control circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Current driver : Having capacitive load : Sample and hold)
Patent 5120993: Substrate bias voltage detection circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Including signal protection or bias preservation : With field-effect transistor : With field-effect transistor)
Patent 5120994: BiCMOS voltage generator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Stabilized (e.g., compensated, regulated, maintained, etc.) : With diverse type transistor devices : With field-effect transistor)
Patent 5120995: Switched peak detector
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Maximum or minimum amplitude : By diode-capacitor network : With reference signal)
Patent 5120996: Synaptic element and array
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Including details of sampling or holding : Sample and hold : With transistor)
Patent 5120997: Spread spection signal detector
(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 : Reference level crossover detecting : Zero crossover : Cross-coupled)
Patent 5120998: Source terminated transmission line driver
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Bus or line termination (e.g., clamping, impedance matching, etc.) : With field effect-transistor)
Patent 5120999: Output-buffer noise-control circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Output switching noise reduction : With field effect-transistor : Depletion or enhancement)
Patent 5121000: Edge-rate feedback CMOS output buffer circuits
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Signal level or switching threshold stabilization : Bias or power supply level stabilization : With clocking)
Patent 5121001: Low power push-pull driver
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Bipolar transistor : With capacitive or inductive bootstrapping)
Patent 5121002: Dynamic logic gates
(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 5121003: Zero overhead self-timed iterative logic
(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 5121004: Input buffer with temperature compensated hysteresis and thresholds, including negative input voltage protection
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Bipolar transistor (e.g., RTL, DCTL, etc.) : With semiconductor diode or negative resistance device)
Patent 5121005: Programmable logic array with delayed active pull-ups on the column conductors
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : Field effect transistor : Emitter-coupled logic or emitter-follower logic)
Patent 5121006: Registered logic macrocell with product term allocation and adjacent product term stealing
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Having details of setting or programming of interconnections or logic functions : With field effect-transistor)
Patent 5121007: Step-down unit incorporated in large scale integrated circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Power conservation or pulse type : Using field-effect transistor)
Patent 5121008: Circuit for generating or demodulating a square wave and other wave forms
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Phase shift by less than period of input : Phase inversion (i.e., 180 degrees between input and output) : 90 degrees between input and output)
Patent 5121009: Linear phase low pass filter
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Unwanted signal suppression : Active filter : With field-effect transistor)
Patent 5121010: Phase detector with deadzone window
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By phase : Comparison between plural inputs (e.g., phase angle indication, lead-lag discriminator, etc.) :)
Patent 5121011: Driver circuit for driving an analog device
(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 5121012: Circuit for measuring elapsed time between two events
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL :)
Patent 5121013: Noise reducing output buffer circuit with feedback path
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Output switching noise reduction : With field effect-transistor)
Patent 5121014: CMOS delay circuit with controllable delay
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Single output with variable or selectable delay : Having specific active circuit element or structure(e.g., FET, complementary transistors, etc.))
Patent 5121015: Voltage controlled delay element
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Single output with variable or selectable delay : Having specific active circuit element or structure (e.g., complementary transistors, etc.) : Field-effect transistor : Resistor in cross-coupling path)
Patent 5121016: Linear motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Solenoid and core type : Sphere or hemisphere)
Patent 5121017: Stepping motor and manufacturing method thereof
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Magnetic motors : Step-by-step : Successively energized solenoid coils)
Patent 5121018: Latching brake using permanent magnet
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Drive mechanism : Brake : Distributor or timer (e.g., ignition magnetos))
Patent 5121019: Rotary to linear drive unit
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Drive mechanism : Motion conversion : Gearing : Ignition systems)
Patent 5121020: Rotor for an electric motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Permanent magnet machines : Permanent magnet rotor : Mounting (such as on a surface of a shaft) : With an axial end clamp : Spring mounted flux shunt)
Patent 5121021: Frame and magnet assembly for a dynamoelectric machine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Permanent magnet machines : Permanent magnet stator : Means for securing magnet : Wedging between : With a magnetic wedge : With an integral wedge :)
Patent 5121022: Rotor core structure for an electromagnetic rotating machine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Core features : Securing laminae : Inherently variable impedance (double squirrel cage))
Patent 5121023: Ultrasonic generator with a piezoelectric converter
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Electrical systems : Input circuit for simultaneous electrical and mechanical output from piezoelectric element : Grating or reflector in wave path)
Patent 5121024: Piezoelectric device operable in the thickness shear vibratory mode and manufacturing method therefor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Piezoelectric slab having different resonant frequencies at different areas : Electrical output circuit)
Patent 5121025: Vibrator-type actuator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Orientation of piezoelectric polarization : Ceramic composition (e.g., barium titanate) : Spring bias)
Patent 5121026: Electrode for ignition plug
(ELECTRIC LAMP AND DISCHARGE DEVICES : SPARK PLUGS : Particular electrode structure or spacing : Gap on and along axis : Spark plugs with semiconductive material at the gap)
Patent 5121027: Oxide-coated cathode for CRT and manufacturing method thereof
(ELECTRIC LAMP AND DISCHARGE DEVICES : ELECTRODE AND SHIELD STRUCTURES : Cathodes containing and/or coated with electron emissive material : Coated)
Patent 5121028: Deflection winding with spaces or tabs intermediate its front and rear ends
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : With yoke : Electrostatic)
Patent 5121029: Electroluminescence device having an organic electroluminescent element
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Solid-state type : With particular phosphor or electrode material : Organic phosphor : With shield or additional electrode)
Patent 5121030: Absorption filters for chlor display devices
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Screen : With optics : Dot type)
Patent 5121031: Microwave electron gun
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Combined cathode ray tube and circuit element structure : Inductor or distributed parameter-type inductive structure : Ray passes in or through a hollow distributed parameter device : Plural hollow devices : Accelerating or decelerating the ray between the hollow devices : Plural hollow devices)
Patent 5121032: Power supply for turning on small fluorescent light of liquid crystal display TV
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Periodic switch in the primary circuit of the supply transformer : Periodic switch selectively connectable to plural load device circuits)
Patent 5121033: Strobe circuit utilizing optocoupler in DC-to-DC converter
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CONDENSER IN THE SUPPLY CIRCUIT : Condenser in shunt to the load device and the supply : Condenser in the control circuit)
Patent 5121034: Acoustic resonance operation of xenon-metal halide lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Arc machining)
Patent 5121035: High speed gallium arsenide latch using depletion mode logic
(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) : Including field-effect transistor : With clock input : With clock input)
Patent 5121036: Semiconductor integrated circuit with pads and power supply lines
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Integrated structure : With specific layout or layout interconnections : With field-effect transistor)
Patent 5121037: Circular zig-zag scan video format
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Circular, spiral, or radial sweeps : With post deflection phosphor selection)
Patent 5121038: Window regulating apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : MOTOR-REVERSING : Acceleration control)
Patent 5121039: Index control apparatus for tool rest of NC lathe
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Adaptive or optimizing systems including "bang-bang" servos : Mechanical gearing)
Patent 5121040: Positioning control apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Digital or numerical systems : Contouring systems : Multiple axes point to point systems : Including display device)
Patent 5121041: Tracing control system
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Multiple axes analog systems : Cam or template followers : Optical or photoelectric line followers)
Patent 5121042: Electro-hydraulic servo mechanism
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular "error-detecting" means : With particular position measuring instruments : Differential transformer systems : Linear differential transformer : Including display device)
Patent 5121043: PWM control in the pulse dropping region
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Responsive to motor condition : Responsive to motor voltage : With controlled magnetic reactance)
Patent 5121044: Electrical energy system
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Charging station for electrically powered vehicle : Employing "jumper" cable)
Patent 5121045: EMI proof battery pack for night vision goggles
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : For handheld device : With charger stand or base adapted to hold battery pack)
Patent 5121046: Automatic series/parallel battery connecting arrangement
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : SERIALLY CONNECTED BATTERIES OR CELLS : Switchable to parallel connection : With charger stand or base)
Patent 5121047: Battery charging system
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : Multi-rate charging (e.g., plural charge rates before a maintenance charge, etc.) : Detection of current or voltage amplitude)
Patent 5121048: Feedback control system for static volt ampere reactive compensator with thyristor controlled reactances
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : FOR REACTIVE POWER CONTROL : Using impedance : Switched impedance : Static switch :)
Patent 5121049: Voltage reference having steep temperature coefficient and method of operation
(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 : To derive a voltage reference (e.g., band gap regulator) : Including a ferrocapacitor across a tertiary winding)
Patent 5121050: Method of measuring physical properties by super-thin liquid membrane forming mode and interface reaction detection type boisensor by
(ELECTRICITY: MEASURING AND TESTING : DETERMINING NONELECTRIC PROPERTIES BY MEASURING ELECTRIC PROPERTIES : Semiconductors for nonelectrical property : Mechanically actuated switch)
Patent 5121051: Method and apparatus for measuring small electrical signals
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : With storage means for voltage or current (e.g., condenser banks) : Positive, negative or zero sequence)
Patent 5121052: Automated handler for semiconductor devices
(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 5121053: Tab frame and process of testing same
(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 5121054: Method and apparatus for determining the angular velocity of a shaft using a pair of proximity sensors
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Inaccessible (at test point) conductor (e.g., buried in wall))
Patent 5121055: Verification of the operation of a biomagnetometer
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Calibration : Using thermionic emission)
Patent 5121056: Pulse generator for use in a speed sensor
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Inductive : Pulsating or alternating current or potential for the discharge control means)
Patent 5121057: Media flaw detection apparatus for a magnetic disk drive with squaring and summing of in-phase and quadrature-phase detected signals
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetic information storage element testing : Dynamic information element testing : Magnetoresistive)
Patent 5121058: Method and apparatus for using magneto-acoustic remanence to determine embrittlement
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : Electrically energized nonforce type sensor : Noncoil type : Electrically energized)
Patent 5121059: Magnetic resonance spectroscopie imaging method
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5121060: Magnetic field homogenization in NMR spectroscopy
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Polarizing field magnet : With homogeneity control :)
Patent 5121061: Phase correction for streaming current signal
(ELECTRICITY: MEASURING AND TESTING : A MATERIAL PROPERTY USING ELECTROSTATIC PHENOMENON : In a liquid : Which includes particular cell container structure)
Patent 5121062: Streaming current detector probe
(ELECTRICITY: MEASURING AND TESTING : A MATERIAL PROPERTY USING ELECTROSTATIC PHENOMENON : In a liquid : Which includes particular cell container structure)
Patent 5121063: Arrangement for determining on approximation the equivalent circuit diagram of an electrical or electronic element at high frequencies
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Calibration : Having a lamp or light indicator)
Patent 5121064: Method and apparatus for calibrating resistance bridge-type transducers
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Calibration : Having a lamp or light indicator)
Patent 5121065: Mixed domain mixed ratio frequency response sampling
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : With auxiliary means to condition stimulus/response signals : For response signal evaluation or processing : Including a conversion (e.g., A->D or D-> A) process : Field effect transistor)
Patent 5121066: Variable load dump simulator system
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Parameter related to the reproduction or fidelity of a signal affected by a circuit under test : Transfer function type characteristics : Transient response or transient recovery time (e.g., damping) : Field effect transistor)
Patent 5121067: Directional sampling bridge
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : With a resonant cavity)
Patent 5121068: Sensor for sensing the wall thickness of an object
(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 5121069: Low frequency sinewave generator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Generating sinusoidal output : With rectifying element)
Patent 5121070: Phase demodulator for PSK-modulated signals
(DEMODULATORS : PHASE SHIFT KEYING OR QUADRATURE AMPLITUDE DEMODULATOR : Including logic element (e.g., logic gate or flip-flop)
Patent 5121071: Lock detector for unbalanced QPSK demodulators
(DEMODULATORS : PHASE SHIFT KEYING OR QUADRATURE AMPLITUDE DEMODULATOR : Input signal combined with local oscillator or carrier frequency signal : Including phase or frequency locked loop :)
Patent 5121072: Digital demodulator for amplitude or angle modulation using truncated nonlinear power series approximations
(DEMODULATORS : FREQUENCY MODULATION DEMODULATOR : Plural demodulation : Including amplitude demodulation : With parallel signal combiners (e.g., Costas loop))
Patent 5121073: FM demodulator arrangement including hold, delay and switching circuits to compensate for signal disturbances
(DEMODULATORS : FREQUENCY MODULATION DEMODULATOR : Having specific distortion, noise or other interference prevention, reduction or compensation : Including amplitude demodulation)
Patent 5121074: Power amplifier
(AMPLIFIERS : WITH AMPLIFIER CONDITION INDICATING OR TESTING MEANS : With process control system)
Patent 5121075: Precision programmable attenuator
(AMPLIFIERS : WITH PLURAL AMPLIFIER CHANNELS (E.G., PARALLEL AMPLIFIER CHANNELS) : Amplifying different frequencies in different channels : D.C. coupling)
Patent 5121076: Plural time constant signal control
(AMPLIFIERS : WITH CONTROL OF POWER SUPPLY OR BIAS VOLTAGE : With control of input electrode or gain control electrode bias : Time constant circuit in bias control circuit : A feedback to input of a prior stage)
Patent 5121077: Circuit for reducing distortion produced by an r.f. power amplifier
(AMPLIFIERS : HUM OR NOISE OR DISTORTION BUCKING INTRODUCED INTO SIGNAL CHANNEL : Electron tube or diode as impedance)
Patent 5121078: Filtering cell and corresponding filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : Bridge type : Quarter-wave transformer type)
Patent 5121079: Driven-common electronic amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having common mode rejection circuit :)
Patent 5121080: Amplifier with controlled output impedance
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having signal feedback means :)
Patent 5121081: Output waveform control circuit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including gain control means : And significant control voltage developing means : To eliminate crossover distortion)
Patent 5121082: Buffer circuit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including signal feedback means : Having negative feedback : Having emitter degeneration)
Patent 5121083: High frequency transistor power amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including plural amplifier channels : Having frequency-responsive means or phase-shift means in feedback path)
Patent 5121084: Balance and protection for stacked RF amplifiers
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including plural amplifier channels : Having frequency-responsive means or phase-shift means in feedback path)
Patent 5121085: Dual-charge-pump bandwidth-switched phase-locked loop
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Transistorized controls : Plural controls)
Patent 5121086: PLL including static phase error responsive oscillator control
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Plural A.F.S. for a single oscillator : Plural comparators or discriminators :)
Patent 5121087: Electronic resonator employing an FED resonator element
(OSCILLATORS : ELECTROMECHANICAL RESONATOR : With sync, trigger or pulsing circuit)
Patent 5121088: Frequency response equalizer
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Equalizers : Having long line elements)
Patent 5121089: Micro-machined switch and method of fabrication
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : Including switching means : Having mechanical switching means : Using rotary switching means : For TEM lines :)
Patent 5121090: Balun providing dual balanced outputs
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : With impedance matching : Having coaxial element)
Patent 5121091: Panel switch
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : COMBINED DIVERSE SWITCHES (E.G., MANUAL-ACTUATED AND ART TYPE) :)
Patent 5121092: Molded case circuit breaker thermal-magnetic trip accelerator
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Tripping means : Including spring-biasing or energy-storage means)
Patent 5121093: Electromagnetic coil assembly for an electromagnetic clutch
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : With magnetic-hold control means (e.g., means to control the hold strength))
Patent 5121094: Dual condition responsive switch apparatus
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : WITH SEPARATE DISTINCT DIVERSE ART-TYPE SWITCHING DEVICE (E.G., FLUID- OR MECHANICAL-ACTUATED) :)
Patent 5121095: Thermally responsive switch
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : THERMALLY ACTUATED SWITCHES : With bimetallic element : Bimetallic element unitary with or directly actuates contacts : Snap-action : Alternately or selectively actuated)
Patent 5121096: Position locating device
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Plural (e.g., concurrent auxiliary) single indications (e.g., light flashes when bell rings) : Bowling)
Patent 5121097: System for preventing fraud in the use of a taximeter
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : For taxi : Including keyless entry)
Patent 5121098: Multi-function car door closure warning system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Reminder : Wear)
Patent 5121099: Two-page automotive virtual image display
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Plural conditions : With particular display means : Inductive)
Patent 5121100: Brake light
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External alarm or indicator of movement : Acceleration or deceleration : With particular display means)
Patent 5121101: Apparatus and method for a smoke alarm device with integrated testing circuits
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Testing : Simulation of condition : Vertical axis)
Patent 5121102: Programmable voltage source with isolation network
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Selection from a plurality of sensed conditions : Plural diverse conditions : Vertical axis)
Patent 5121103: Load isolated article surveillance system and antenna assembly
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Disturbance of magnetic field : Plural doors or windows)
Patent 5121104: Pool alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Responsive to intruder energy : Vibration : Fence)
Patent 5121105: Metal detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Disturbance of magnetic field : Plural doors or windows)
Patent 5121106: Electronic article surveillance markers with diagonal deactivation elements
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Detectable device on protected article (e.g., "tag") : Having "soft" magnetic element (e.g., Permalloy) : Fence)
Patent 5121107: Intravenous supply alarm assembly
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Material level : Liquid : Having means locking device to article)
Patent 5121108: Circuit arrangement for monitoring two operating voltages
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Electrical characteristic : Voltage : Electrical socket)
Patent 5121109: Adjustable set point signalling gauge
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Position responsive : Meter dial : Conveyor belt)
Patent 5121110: Soft sensor mounting
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specified housing : Having specified mounting structure : Inserted battery required for housing closure)
Patent 5121111: Broadband signal switching network with respective threshold-value holding feedback member
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Path selection : Channel selecting matrix : Within another housing)
Patent 5121112: Display apparatus for vehicle
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Condition responsive : With plural receiver)
Patent 5121113: Printer status and control panel
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Trackball)
Patent 5121114: Information processing apparatus having a specified-area confirming function
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Translation : Image based (addressing) : Scrolling : Attribute changes during scrolling : Smooth or continuous)
Patent 5121115: Method of transmitting information using programmed channels
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Tree or cascade : Having specified mounting structure)
Patent 5121116: Absolute position encoder
(CODED DATA GENERATION OR CONVERSION : PHASE OR TIME OF PHASE CHANGE : Synchro or resolver signal : Analog resolver or synchro signal to digital signal : With rollover feature (i.e., antidoublestrike))
Patent 5121117: Balanced A/D converter
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)
Patent 5121118: Method and apparatus for achieving controlled supplemental signal processing during analog-to-digital signal conversion
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)
Patent 5121119: Analog-to-digital conversion method and system with correction of analog gain and offset
(CODED DATA GENERATION OR CONVERSION : CONVERTER CALIBRATION OR TESTING : Temperature compensation)
Patent 5121120: Programmable digital measuring and control instrument for a vacuum gauge
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Intermediate conversion to time interval : Dual slope : Including priority encoder)
Patent 5121121: Fast A/D converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using charge transfer devices (e.g., charge coupled devices, charge transfer by switched capacitances) : Input signal compared with nonlinear ramp)
Patent 5121122: Facade construction for high structures
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADIO WAVE ABSORBER :)
Patent 5121124: Microwave camera
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Display : Image production : With CRT display)
Patent 5121125: Optimum matched illumination waveform design process
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : For pulse modulation : With pulse shaping : Cursor)
Patent 5121126: Beacon enhanced telecommunications system and method
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : Direction-finding receiver only : Portable : Distinctive frequencies equi-signal type)
Patent 5121127: Microstrip antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5121128: Glide-slope aerial system
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : High frequency type loops : Balanced type)
Patent 5121129: EHF omnidirectional antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With spaced or external radio wave refractor (e.g., lens) : Reactance at free end of active antenna)
Patent 5121130: Thermal ink jet printing apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of temperature or pressure of device or component thereof : With particular cooling means : Full-line array)
Patent 5121131: Instant high contrast imaging system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid (e.g., fluid specifics) : With recirculation)
Patent 5121132: Ink delivery system for printers
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : With integral ejector : Drop sensors)
Patent 5121133: Marking method showing a sequence of side-by-side conductors in series for information purposes
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Combined :)
Patent 5121134: Providing a surface with solvent-wettable and solvent-non-wettable zone
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Discharge means : Surface treated : Movement)
Patent 5121135: Thermal head having integral analog drive compensation
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Density control : In accordance with temperature of the recording means : Having single layer colored transfer material)
Patent 5121136: Recorder for thermal transfer recording operations
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Record receiver and transfer medium feeding or driving means : Specific conductor means (e.g., electrode, conducting pattern, etc.))
Patent 5121137: Color exposing device having optical modulator for producing modulated light beams for two or more colors
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Multicolor : Having deflecting means)
Patent 5121138: Resonant scanner control system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Scan synchronization (e.g., start-of-scan, end-of-scan) : By clock deviation)
Patent 5121139: Compact ink jet printer having a drum drive mechanism
(RECORDERS : RECORD RECEIVERS AND/OR DRIVING MEANS THEREFOR : Drum : Card receiver)
Patent 5121140: Writing pressure-changing device for recording device or the like
(RECORDERS : MARKERS AND/OR DRIVING MEANS THEREFOR : Drum)
Patent 5121141: Acoustic ink printhead with integrated liquid level control layer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Discharge means : Free surface : Movement)
Patent 5121142: Reciprocating color printing system with specified positioning of printing heads relative to a printing sheet
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : Interlace : Movement)
Patent 5121143: Ink printing head with variable-size heat elements
(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 5121144: Method to eliminate cross coupling between blackness points at printers and a device to perform the method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With electric field ejection (applied to fluid) : Movement)
Patent 5121145: Line printhead device for nonimpact printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Multicolor : Plural heads : Using light as exposure means : Drop sensors)
Patent 5121146: Imaging diode array and system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific light source (e.g., LEDs assembly) : Including switching means)
Patent 5121147: Video camera carrying handle supporting battery and accessories
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having adapter unit : Actuated by shutter movement)
Patent 5121148: Single lens reflex camera
(PHOTOGRAPHY : CAMERA DETAIL : Shutter : Having braking or damping : Having pneumatic or electromagnetic braking or damping : Operating on rolled material)
Patent 5121150: Driving and timing belt for a photographic film processor
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having photographic medium feed : And photographic medium immersed and removed : Strip type : Film in spaced spiral for processing)
Patent 5121151: Focus adjustment information forming device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Plural focusing or rangefinding areas : Utilizing weight coefficients : Mirror type)
Patent 5121152: Autofocus system for cameras
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Plural focusing or rangefinding areas : With Position Sensitive Device (PSD))
Patent 5121153: Automatic focusing device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Reliability of focus/distance signal : With mechanical rangefinder)
Patent 5121154: Automatic focusing device used for a camera
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Reliability of focus/distance signal : With mechanical rangefinder)
Patent 5121155: Technique for determining whether to use fill flash illumination to capture an image of a current scene
(PHOTOGRAPHY : FLASH SYSTEM RESPONSIVE TO FOCAL LENGTH OR DISTANCE : Camera release)
Patent 5121156: Apparatus for detecting the proper functioning of a thermal fixing unit in an image forming apparatus
(PHOTOCOPYING : USING MICROCAPSULES : Condition responsive control :)
Patent 5121157: Cad aperture card laser plotters
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : With developing : Book page copying)
Patent 5121158: Filter driving mechanism for color optical reader
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Multicolor picture : Regulating light intensity or exposure time : Including detailed diaphragm)
Patent 5121159: Photographic printer
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Multicolor picture : Regulating light intensity or exposure time : Including :)
Patent 5121160: Exposure method and apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)
Patent 5121161: Exposure unit
(PHOTOCOPYING : CONTACT PRINTING : Fluid pressure retention of carrier and receiver in exposure position : With pump : Fluid pressure)
Patent 5121162: Control system for a copier with retention of settings therefor
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Job mode : User access)
Patent 5121163: Transfer type image forming apparatus with toner content detection
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Color balance : Waste toner container)
Patent 5121164: Method for maintaining a liquid composition
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : In response to light from original)
Patent 5121165: Developer unit and a toner hopper for an image forming device
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Developing unit : Drum mount)
Patent 5121166: Belt type transfer device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Electrostatic : Corona : Having belt transporting copy : Vacuum or pneumatic)
Patent 5121167: Sweep and vacuum xerographic cleaning method and apparatus
(ELECTROPHOTOGRAPHY : CLEANING OF IMAGING SURFACE : Fixing (e.g., fusing))
Patent 5121168: Image forming apparatus having a used toner storage portion
(ELECTROPHOTOGRAPHY : CLEANING OF IMAGING SURFACE : Having handling of removed material : Recycled to developing unit : Lamination)
Patent 5121169: Recording paper length sensing apparatus
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Feeding to transfer position : Having detection of size or type : Length adjustment)
Patent 5121170: Device for transporting sheet members using an alternating voltage
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Color : Copy medium carrier (e.g., drum or belt) : Having electrode)
Patent 5121171: Hybrid color printing machine
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Color : From plural photoconductive members (e.g., drums) : Having electrode)
Patent 5121172: Method and apparatus for producing single pass highlight and custom color images
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Plural diverse (e.g., color) : Toner images overlapped : Opposite polarity : Optical detector)
Patent 5121173: Proximity effect very long wavlength infrared (VLWIR) radiation detector
(SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS : HIGH TEMPERATURE (TC GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING : Measuring or testing system or device : Containing three atoms of copper to between six and seven atoms of oxygen [e.g., YCu3O(7-@), LaCu3O(6+*), etc.])
Patent 5121174: Gate-to-ohmic metal contact scheme for III-V devices
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : Load element or constant current source (e.g., with source to gate connection) : With means to adjust barrier height (e.g., doping profile))
Patent 5121175: Semiconductor device having a side wall film
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : Combined with insulated gate field effect transistor (IGFET) : In imaging array)
Patent 5121176: MOSFET structure having reduced gate capacitance
(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) : With means (other than self-alignment of the gate electrode) to decrease gate capacitance (e.g., shield electrode) : With complementary field effect transistor)
Patent 5121177: Silicon 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) : With means (e.g., a buried channel stop layer) to prevent leakage current along the interface of the semiconductor layer and the insulating substrate : All contacts on same surface (e.g., lateral structure))
Patent 5121178: Silicon 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) : Insulated electrode device is combined with diverse type device (e.g., complementary MOSFETs, FET with resistor, etc.) : All contacts on same surface (e.g., lateral structure))
Patent 5121179: Higher impedance pull-up and pull-down input protection resistors for MIS transistor integrated circuits
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With overvoltage protective means : For protecting against gate insulator breakdown : In complementary field effect transistor integrated circuit : Including resistor element : Separate control electrodes for charging and for discharging floating electrode)
Patent 5121180: Accelerometer with central mass in support
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Physical deformation : Strain sensors : Polysilicon laminated with silicide)
Patent 5121181: Resonant tunneling photodetector for long wavelength applications
(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 : Light responsive structure : Si x Ge 1-x)
Patent 5121182: Integrated optical semiconductor 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 element : With thinned central active portion of semiconductor surrounded by thick insensitive portion (e.g. diaphragm type strain gauge))
Patent 5121183: Light responsive heterojunction semiconductor pn element
(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 : Light responsive structure : Si x Ge 1-x)
Patent 5121184: Bipolar transistor containing a self-aligned emitter contact and method for forming transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With specified electrode means : Including polycrystalline semiconductor as connection : With current ballasting means (e.g., emitter ballasting resistors or base current ballasting means))
Patent 5121185: Monolithic semiconductor IC device including blocks having different functions with different breakdown voltages
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : With pn junction isolation : With bipolar transistor structure : Transistors of same conductivity type (e.g., npn) having different current gain or different operating voltage characteristics : Lightly doped junction isolated resistor (e.g., ion implanted resistor))
Patent 5121186: Integrated circuit device having improved junction connections
(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 : With contact to source or drain region of refractory material (e.g., polysilicon, tungsten, or silicide) : Including silicide : With barrier region of reduced minority carrier lifetime (e.g., heavily doped P+ region to reduce electron minority carrier lifetime, or containing deep level impurity or crystal damage), or with region of high threshold voltage (e.g., heavily doped channel stop region))
Patent 5121187: Electric device having a leadframe covered with an antioxidation film
(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 5121188: Laser module assembly
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With window means : Of insulating material)
Patent 5121189: Semiconductor device and method of manufacturing the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With large area flexible electrodes in press contact with opposite sides of active semiconductor chip and surrounded by an insulating element, e.g., ring : Stacked arrangement)
Patent 5121190: Solder interconnection structure on organic substrates
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Flip chip : Cross-over arrangement, component or structure)
Patent 5121191: Method and apparatus for coding motion pictures
(TELEVISION : FORMAT CONVERSION : Involving both line number and field rate conversion (e.g., PAL to NTSC) : Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band))
Patent 5121192: Solid-state color imaging device
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With single image scanning device supplying plural color signals : Solid-state multicolor image sensor : With color filter or operation according to color filter : Including transparent elements : With three or more colors :)
Patent 5121193: Color signal processor for a video camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With single image scanning device supplying plural color signals : Solid-state multicolor image sensor : With color filter or operation according to color filter : Based on four colors : With three or more colors)
Patent 5121194: Substrate output for a semiconductor device and a method of fabricating the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Die bond : Layered contact, lead or bond)
Patent 5121195: Gray balance control system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color separation : Solid-state)
Patent 5121196: Color processing method and apparatus with a color patch
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Measuring, testing, and calibrating : Thermal)
Patent 5121197: Method for processing half tone images to improve efficiency of data compression
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : Halftone processing : Matrix : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5121198: Method of setting the contrast of a color video picture in a computer controlled photographic film analyzing system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color photography previewer : With memory for storage of conversion data)
Patent 5121199: Color image sensor defect detector using differentiated I and Q values
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)
Patent 5121200: Travelling monitoring system for motor vehicles
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Vehicular : With transformation or rectification)
Patent 5121201: Method and apparatus for detecting the number of persons
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : With camera and object moved relative to each other)
Patent 5121202: Adaptive interframe prediction coded video communications system
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)
Patent 5121203: HDTV transmission system with reduced NTSC CO-channel interference
(TELEVISION : TELEVISION TRANSMITTER CIRCUITRY : Modulator : Plural processing units)
Patent 5121204: Apparatus for scrambling side panel information of a wide aspect ratio image signal
(TELEVISION : FORMAT : Including additional information : Additional modulation of picture carrier (e.g., quadrature) : Field or frame sequential to simultaneous)
Patent 5121205: Apparatus for synchronizing main and auxiliary video signals
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : For display of additional information : Simultaneously and on same screen (e.g., multiscreen) : Picture in picture : Compression : Different mode during vertical blanking)
Patent 5121206: Clock signal generator for video signal capable of generating a stable clock signal
(TELEVISION : SYNCHRONIZATION : Sync separation : With counter or frequency divider)
Patent 5121207: Digital circuit arrangement for processing an analog video signal at a free running system clock
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : A/D converters : Analog to binary : Tuning indication)
Patent 5121208: Method and apparatus for reducing co-channel interference in an HDTV receiver
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Specified color (e.g., saturation and contrast control))
Patent 5121209: Sharpness control for a television image
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Transition or edge sharpeners : For color television)
Patent 5121210: Video composing system using special effect apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Specified details of signal combining : For generation of soft edge (e.g., blending))
Patent 5121211: System for echo cancellation comprising an improved ghost cancellation reference signal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Ghost elimination (e.g., multipath) : Complementary system (e.g., preemphasis - deemphasis))
Patent 5121212: Audio signal demodulating circuit with reduced power consumption
(TELEVISION : RECEIVER CIRCUITRY : Sound circuit : Tuning voltage)
Patent 5121213: Imaging system having a blurring optical element for minimizing moire phenomenon
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Power saving mode)
Patent 5121214: Method for eliminating artifacts in CCD imagers
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Smear : In charge coupled type sensor :)
Patent 5121215: Surveillance camera system
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Support or housing : Flash or strobe)
Patent 5121216: Adaptive transform coding of still images
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Adaptive coding (i.e., changes based upon history, activity, busyness, etc.) : Checking spelling for recognition)
Patent 5121217: Method of recording and correcting spatial-color artifacts
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5121218: Recording/playback apparatus and method of communication in same
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Specific drop-out detection : Using static memory or delay means)
Patent 5121219: Spindle servo utilizing a vertical sync mark
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Time (e.g., phase or frequency) correction : Of relative transducer/record medium speed : By controlling speed of record medium :)
Patent 5121220: Ocular turret telescope system
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Telescope : With plural optical axes : Spacing of optical elements axially adjustable)
Patent 5121221: Facsimile apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Reduced time or bandwidth for static image communication : Phase or speed regulation)
Patent 5121222: Method and apparatus for producing binary picture with detection and retention of plural binary picture blocks having a thin line pattern
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Picture size conversion : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5121223: Method and apparatus for generating a binary representation of an image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Multi-level image reproduction (e.g., gray level reproduction) : Halftoning (e.g., a pattern of print elements used to represent a gray level) : Rescreening (e.g., converting spatial resolution) :)
Patent 5121224: Reproduction apparatus with selective screening and continuous-tone discrimination
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Text and image detection and processing : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5121225: Photoelectric converter and image reading apparatus mounting the same
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Carrier wave modulation)
Patent 5121226: Portable image scanner
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Hand-held reader : Picture signal thresholding)
Patent 5121227: One step rainbow holography
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT :)
Patent 5121228: Holographic learning machine
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium : Recyclable : Crystalline material :)
Patent 5121229: Self-contained compact multi-color edge-lit holographic display
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : For reconstructing image : Focused image holography)
Patent 5121230: Image reading apparatus having adjusting circuits for matching the level of and compensating for fluctuation among a plurality of sensing
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)
Patent 5121231: Incoherent/coherent multiplexed holographic recording for photonic interconnections and holographic optical elements
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium : Recyclable : Crystalline material :)
Patent 5121232: Displaying device having two separate light receiving portions for receiving the external light and the light emitted by a light source
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Particular illumination : With plural diverse light sources (e.g., for day and night) : Reflector having particular shape behind light source)
Patent 5121233: Multi-color display
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Particular illumination : Electroluminescent light source : Reflector having particular shape behind light source)
Patent 5121234: Dichroic liquid crystal display with integral electroluminescent backlighting
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Particular illumination : Electroluminescent light source : Reflector having particular shape behind light source)
Patent 5121235: Liquid crystal display device having light transmission control layer
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Producing a greyscale effect : With each cell displaying a different pattern)
Patent 5121236: Liquid crystal display element and method for treating defective pixels therein
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : Matrix including additional element (s) which correct or compensate for electrical fault : Laser links : Varistor)
Patent 5121237: Liquid crystal display device and method of manufacture
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Filter : Opaque mask or black mask : With unequal areas for different colors or with fractional shift between one line of colors and the next)
Patent 5121238: Liquid crystal device
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Compensator or retarder (i.e., not using liquid crystal cell) : Cholesteric reflector)
Patent 5121239: Filter having adjustable spectral transmittance function
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Electrochromic : Reflection-type (e.g., display device) : Liquid cell :)
Patent 5121240: Optical packet time compression and expansion
(OPTICAL COMMUNICATIONS : MULTIPLEX : Time division : By specific optical element : Wavelength control)
|