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Patent 5506427: Heterojunction bipolar transistor with silicon-germanium base
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Bipolar transistor : Doping on side of heterojunction with lower carrier affinity (e.g., high electron mobility transistor (HEMT)))
Patent 5506428: Gate array LSI
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : GATE ARRAYS : With particular signal path connections : Particular layout of complementary FETs with regard to each other)
Patent 5506429: CCD image sensor with stacked charge transfer gate structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Charge transfer device : Non-electrical input responsive (e.g., light responsive imager, input programmed by size of storage sites for use as a read-only memory, etc.) : 2-dimensional area architecture : Sensors not overlaid by electrode (e.g., photodiodes) : Si x Ge 1-x)
Patent 5506430: Solid state image pick-up device with differing capacitances
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Light responsive or combined with light responsive device : Imaging array : Photodiodes accessed by FETs : Si x Ge 1-x)
Patent 5506431: Double poly trenched channel accelerated tunneling electron (DPT-CATE) cell, for memory applications
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Program gate : Weak inversion injection :)
Patent 5506432: Metal nitride oxide semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : Multiple insulator layers (e.g., MNOS structure) : With means to facilitate light erasure)
Patent 5506433: Composite semiconductor substrate having a single crystal substrate and a single crystal layer formed thereon
(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) : Gate electrode overlaps the source or drain by no more than depth of source or drain (e.g., self-aligned gate))
Patent 5506434: Solid-state imaging device having contact buffer layer interconnecting gate and vertical scan line
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Light responsive or combined with light responsive device : Imaging array : With groove or overhang for alignment)
Patent 5506435: Static ram having an active area with a tapered bottom surface
(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.) : Complementary field effect transistor structures only (i.e., not including bipolar transistors, resistors, or other components) : With means to reduce ON resistance)
Patent 5506436: Semiconductor memory cell
(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.) : Complementary field effect transistor structures only (i.e., not including bipolar transistors, resistors, or other components) : With means to reduce ON resistance)
Patent 5506437: Microcomputer with high density RAM in separate isolation well on single chip
(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 : With pn junction to collect injected minority carriers to prevent parasitic bipolar transistor action : For operation as bipolar or punchthrough element)
Patent 5506438: Semiconductor device with two different threshold voltages
(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 : With pn junction to collect injected minority carriers to prevent parasitic bipolar transistor action : 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) : As thin film structure (e.g., polysilicon resistor))
Patent 5506439: Bipolar transistor with temperature detecting terminal
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Temperature : Light)
Patent 5506440: Poly-buffered LOCOS process
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Including dielectric isolation means : High power or high voltage device extends completely through semiconductor substrate (e.g., backside collector contact))
Patent 5506441: Semiconductor device having pair of transistors
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : Plural non-isolated transistor structures in same structure : Multiple base or collector regions)
Patent 5506442: Variable-capacitance device and semiconductor integrated circuit device having such variable-capacitance device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : VOLTAGE VARIABLE CAPACITANCE DEVICE : With specified dopant profile : Retrograde dopant profile (e.g., dopant concentration decreases with distance from rectifying junction) : With current ballasting means (e.g., emitter ballasting resistors or base current ballasting means))
Patent 5506443: Multilayer insulating film of semiconductor device and method for forming the film
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH MEANS TO CONTROL SURFACE EFFECTS : Insulating coating : Multiple layers : With current ballasting means (e.g., emitter ballasting resistors or base current ballasting means))
Patent 5506444: Tape carrier semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : On integrated circuit)
Patent 5506445: Optical transceiver module
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : On integrated circuit)
Patent 5506446: Electronic package having improved wire bonding capability
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : With means for controlling lead tension : Of insulating material)
Patent 5506447: Hybrid integrated circuit
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With contact or lead : Rigid electrode portion)
Patent 5506448: Semiconductor integrated circuit device having an improved packaging structure
(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 : Pin grid type : With polycrystalline connecting region (e.g., polysilicon base contact))
Patent 5506449: Interconnection structure for semiconductor integrated circuit and manufacture of 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 : Multiple metal levels on semiconductor, separated by insulating layer (e.g., multiple level metallization for integrated circuit) : Silicide of refractory or platinum group metal)
Patent 5506450: Semiconductor device with improved electromigration resistance and method for making 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 : Resistive to electromigration or diffusion of the contact or lead material : At least one layer containing chromium or nickel)
Patent 5506451: Flip-chip semiconductor devise having an electrode pad covered with non-metal member
(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 5506452: Power semiconductor component with pressure contact
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : By pressure alone : With adhesive means)
Patent 5506453: Machine for converting wind energy to electrical energy
(PRIME-MOVER DYNAMO PLANTS : ELECTRIC CONTROL : Fluid-current motors : Wind : Stop cranking responsive to generator output)
Patent 5506454: System and method for diagnosing characteristics of acceleration sensor
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Series-connected)
Patent 5506455: Electrical appliance with reduced electric field emissions
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Series-connected)
Patent 5506456: Power unit with controlled output voltage
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Selective or optional sources : Predetermined sequence : Generator sources)
Patent 5506457: Electronic switch for decoupling capacitor
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Condition responsive : Electrical : Frequency : Torque)
Patent 5506458: Low cost permanent magnet disk spindle motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Inbuilt or incorporated unit : Heat-exchange structure)
Patent 5506459: Magnetically balanced spinning apparatus
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Magnetic bearing : Impulse coupling)
Patent 5506460: Precision drive system for independently driven coaxial shafts, particularly to make coiled electric lamp filaments
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Plural units, structurally united : Magnetic field type)
Patent 5506461: Brush assembly structure for motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Fixed structure : Brush holders or rigging : Disc)
Patent 5506462: Vibration motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : On back of piezoelectric element)
Patent 5506463: Packaged piezoelectric oscillator and method of making the same
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With temperature modifier and/or gas or vapor atmosphere control : Sealed unit : Underwater type)
Patent 5506464: Unit of electric lamp and reflector
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE : Reflector : With integrant display electrode)
Patent 5506465: Universal rectangular base bulb adapter for providing external electrical connection between powered vehicles and trailers
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH ENVELOPE : Having base and connector : Plural interelectrode discharge spaces)
Patent 5506466: Color cathode-ray tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Shadow mask, support or shield : Monoscope)
Patent 5506467: Cathode-ray tube and method of manufacturing the same
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Shadow mask, support or shield : With screen : With studs)
Patent 5506468: Electron gun for color cathode-ray tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Plural beam generating or control : With focusing and accelerating electrodes : With studs)
Patent 5506469: Display tube with deflection unit comprising field deflection coils of the semi-saddle type
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : With yoke : Electrostatic)
Patent 5506470: Color cathode ray tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Envelope : Support)
Patent 5506471: Low glare infrared light source
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Envelope with particular structure : Envelope layer or coating : Substantially the full length of discharge path)
Patent 5506472: Variable-frequency type radio-frequency quadrupole accelerator including quadrupole cooling means
(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 5506473: Electron gun for providing electrons grouped in short pulses
(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 : Devices of different resonance frequency : Plural hollow devices)
Patent 5506474: Compact fluorescent lamp using a light reflecting adhesive material
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : COMBINED LOAD DEVICE OR LOAD DEVICE TEMPERATURE MODIFYING MEANS AND ELECTRICAL CIRCUIT DEVICE STRUCTURE : Discharge device load : Plural impedance elements)
Patent 5506475: Microwave electron cyclotron electron resonance (ECR) ion source with a large, uniformly distributed, axially symmetric, ECR plasma volume
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Plasma generating : With magnetic field : Thermostatic switch in the series circuit)
Patent 5506476: Field emission cathode
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL POWER SUPPLIES : Plural cathode and/or anode load device : Diverse type current supplies)
Patent 5506477: Method of sensing the rms value of a waveform
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : REGULATION OF THE CONTROL CURRENT AND/OR POTENTIAL APPLIED TO DISCHARGE CONTROL DISCHARGE DEVICE LOADS BY PHASE SHIFTING MEANS : Christmas lights)
Patent 5506478: AC ignition system with optimized electronic circuit
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Transistorized ignition systems : Condenser or inductance in the primary circuit)
Patent 5506479: Device for operating a gas-discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Inductance in the supply circuit : Regulating transformer)
Patent 5506480: Paired dimmers for controlling harmonic currents
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Keyboard operated or pattern controlled regulator : Variable inductance)
Patent 5506481: Registration error correction device
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Including color convergence control : Including specified signal storage (e.g., memory, register, etc.) : Device tunable)
Patent 5506482: Magnetic focusing system with improved symmetry and manufacturability
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : With additional control of cathode ray : With focusing of ray : Circuits control grid-cathode circuit of tube)
Patent 5506483: Windshield wiper system incorporating a variable speed DC motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : PERIODIC, REPETITIOUS OR SUCCESSIVE OPERATIONS CONTROL OF MOTOR, INCLUDING "JOG" AND "INCH" CONTROL : Variable periods or intervals between controlling operations : Locally closed armature circuit)
Patent 5506484: Digital pulse width modulator with integrated test and control
(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 5506485: Digital modular microprocessor based electrical contactor system
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Digital or numerical systems : Slewing systems)
Patent 5506486: Control apparatus for compressor with induction motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Frequency control : With voltage magnitude control : With controlled magnetic reactance)
Patent 5506487: Systems and methods for driving a compressor with a motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Frequency control : With voltage pulse time control : Pluse width modulation or chopping : Including inverter)
Patent 5506488: Rechargeable power pack for use in devices powered by multiple batteries
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : For battery pack : Employing "jumper" cable)
Patent 5506489: Inductive coupler having a tactile feel
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Charger inductively coupled to cell or battery : Employing "jumper" cable)
Patent 5506490: Method and apparatus for determining external power supply type
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : MEANS TO IDENTIFY CELL OR BATTERY TYPE : Vehicle battery charging)
Patent 5506491: Electrostatic generator apparatus
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : NONMAGNETIC-TYPE GENERATOR : Electrostatic :)
Patent 5506492: High output alternator and regulator
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS : Voltage of generator or circuit supplied : Including an electrical condition)
Patent 5506493: Switching regulator and amplifier system
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using a three or more terminal semiconductive device : In bridge)
Patent 5506494: Resistor circuit with reduced temperature coefficient of resistance
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Linearly acting : With a specific feedback amplifier (e.g., integrator, summer) : Including final control device parameter)
Patent 5506495: Step-down circuit with stabilized internal power-supply
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : Including parallel paths (e.g., current mirror) : With additional stage)
Patent 5506496: Output control circuit for a voltage regulator
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : Including parallel paths (e.g., current mirror) : With amplifier connected to or between current paths : In flyback path)
Patent 5506497: Process and device for microwave surface resistance determination
(ELECTRICITY: MEASURING AND TESTING : DETERMINING NONELECTRIC PROPERTIES BY MEASURING ELECTRIC PROPERTIES : Superconductors : Mechanically actuated switch)
Patent 5506498: Probe card system and method
(ELECTRICITY: MEASURING AND TESTING : MISCELLANEOUS : Combined)
Patent 5506499: Multiple probing of an auxilary test pad which allows for reliable bonding to a primary bonding pad
(ELECTRICITY: MEASURING AND TESTING : MISCELLANEOUS : Combined)
Patent 5506500: Magnetic property characterization system employing a single sensing coil arrangement to measure both AC susceptibility and DC magnetization
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Susceptibility : Using thermionic emission)
Patent 5506501: Method and apparatus for aiding machine oil analysis
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Fluid material examination : Using thermionic emission)
Patent 5506502: Rotary angle encoder having a rotating transducer shaft coupled to a linear sensor coil
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Rotary : Magnetoresistive)
Patent 5506503: Differential transmit-receive eddy current probe incorporating bracelets of multi-coil units
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetic sensor within material : Sensor supported, positioned, or moved within pipe : Magnetoresistive)
Patent 5506504: Method and apparatus for conducting a spatially resolving magnetic resonance examination of a test subject
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5506505: Apparatus for remotely indicating pipeline pig including a sensor housing having surface engaging orthogonally disposed paramagnetic
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : For small object detection or location : To determine fluid entry)
Patent 5506506: Metal detector for detecting and discriminating between ferrous and non-ferrous targets in ground
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : For small object detection or location : Using movable transmitter and receiver : Of the beat frequency type)
Patent 5506507: Apparatus for measuring ions in a clean room gas flow using a spherical electrode
(ELECTRICITY: MEASURING AND TESTING : USING IONIZATION EFFECTS : For analysis of gas, vapor, or particles of matter : Using a magnetic field)
Patent 5506508: Apparatus for detecting a shorted winding condition of a solenoid coil
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Winding or coil : For insulation fault)
Patent 5506509: Circuit and method of measuring squib resistance
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Fuse : Transformer)
Patent 5506510: Adaptive alignment probe fixture for circuit board tester
(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 5506511: Method of electrically detecting on-site partial discharges in the insulating medium of an electrical power transformer and apparatus
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Insulation : Oil : Field effect transistor)
Patent 5506512: Transfer apparatus having an elevator and prober using the 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 5506513: Microwave circuit test fixture
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Internal of or on support for device under test (DUT) : Of reflected test signal)
Patent 5506514: Electrical interconnect using particle enhanced joining of metal surfaces
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Probe contact enhancement : Of reflected test signal)
Patent 5506515: High-frequency probe tip assembly
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Cantilever : Of reflected test signal)
Patent 5506516: Method of inspecting an active matrix substrate
(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 5506517: Output enable structure and method for a programmable logic device
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : With field effect-transistor)
Patent 5506518: Antifuse-based programmable logic circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : Significant integrated structure, layout, or layout interconnections : With clocking)
Patent 5506519: Low energy differential logic gate circuitry having substantially invariant clock signal loading
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : CLOCKING OR SYNCHRONIZING OF LOGIC STAGES OR GATES : Field-effect transistor : Bipolar transistor)
Patent 5506520: Energy conserving clock pulse generating circuits
(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 5506521: ECL driver with adjustable rise and fall times, and method therefor
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Bipolar transistor (e.g., RTL, DCTL, etc.) : Emitter-coupled or emitter-follower logic : CMOS)
Patent 5506522: Data input/output line sensing circuit of a semiconductor integrated circuit
(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 : Current mirror :)
Patent 5506523: Sense circuit with selectable zero power single input function mode
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : With sensing amplifier : With latching type element (e.g., flip-flop, etc.) : With reference signal)
Patent 5506524: Low-voltage low-power dynamic folded sense amplifier
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : With sensing amplifier : With latching type element (e.g., flip-flop, etc.) : With reference signal)
Patent 5506525: Sampling circuit for analog signals
(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 : With differential amplifier)
Patent 5506526: Offset-compensated sample and hold arrangement and method for its operation
(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 : With differential amplifier)
Patent 5506527: Low power diode
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Converting, per se, of an AC input to corresponding DC at an unloaded output : With logic or bistable circuit)
Patent 5506528: High speed off-chip CMOS receiver
(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 5506529: Adjustable frequency synthesizer
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Frequency or repetition rate conversion or control : Having capacitive load)
Patent 5506530: Method for promoting activation of a phase-locked loop and corresponding loop
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Using multiple clocks : With feedback : Phase lock loop : With digital element :)
Patent 5506531: Phase locked loop circuit providing increase locking operation speed using an unlock detector
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With feedback : Phase lock loop : Phase lock loop)
Patent 5506532: Output limiter for class-D BICMOS hearing aid output amplifier
(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 5506533: Apparatus for generating a monostable signal
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Monostable : With single electron tube)
Patent 5506534: Digitally adjustable picosecond delay circuit
(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 5506535: CMOS input level-shifting pad
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : Interstage coupling (e.g., level shift, etc.) : With feedback)
Patent 5506536: Differential amplifier with exponential gain characteristic
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : Exponential : Having feedback)
Patent 5506537: Logarithmic amplifying circuit based on the bias-offset technique
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : Logarithmic : With cascade network : RMS)
Patent 5506538: Vector summation device
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : Combining of plural signals : Summing : Differential amplifier)
Patent 5506539: IGFET power semiconductor circuit with GAE control and fault detection circuits
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Signal transmission integrity or spurious noise override : Turn-off)
Patent 5506540: Bias voltage generation circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Having particular substrate biasing : Having stabilized bias or power supply level : Hyperconductive diode)
Patent 5506541: Bias voltage distribution system
(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 voltage source regulating : With field-effect transistor : With emitter follower)
Patent 5506542: Filter circuit and filter integrated circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Unwanted signal suppression : Active filter : Lowpass : Selective type signal filtering (e.g., from low pass to high pass, etc.))
Patent 5506543: Circuitry for bias current generation
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having field effect transistor :)
Patent 5506544: Bias circuit for depletion mode field effect transistors
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including field effect transistor : Having transformer)
Patent 5506545: Electronic apparatus having low radio frequency interference from controlled excursion noise-modulated system clock signal
(OSCILLATORS : ELECTRICAL NOISE OR RANDOM WAVE GENERATOR : Wave filter)
Patent 5506546: Method and apparatus for generating transmitting wave
(MODULATORS : PHASE SHIFT KEYING MODULATOR OR QUADRATURE AMPLITUDE MODULATOR : Including discrete semiconductor device)
Patent 5506547: Frequency modulator having LC oscillator with switchable frequencies
(MODULATORS : FREQUENCY MODULATOR : Including discrete semiconductor device : With electron discharge device)
Patent 5506548: SSB modulator for adjusting the carrier amplitude level of a modulated SSB signal
(MODULATORS : AMPLITUDE MODULATOR : Single or vestigial sideband type : Including electron discharge device)
Patent 5506549: Cable equalizer
(WAVE TRANSMISSION LINES AND NETWORKS : AUTOMATICALLY CONTROLLED SYSTEMS : With control of equalizer and/or delay network : Including long line element)
Patent 5506550: Attenuator for use with current transformer
(WAVE TRANSMISSION LINES AND NETWORKS : ATTENUATORS : Having negative impedance)
Patent 5506551: Resonator and chip type filter using the resonator
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : Having significant physical structure : Monolithic structure)
Patent 5506552: Surface acoustic wave filter with multiple ground terminals
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Using surface acoustic waves : With wave-modifying means (e.g., reflectors, resonators, diffractors, multistrip couplers, etc.) : Monolithic structure)
Patent 5506553: High-frequency filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Stripline or microstrip : Plural mechanically coupled disk resonators)
Patent 5506554: Dielectric filter with inductive coupling electrodes formed on an adjacent insulating layer
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Coaxial : Tunable)
Patent 5506555: Rotatable signal transmission device
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Connectors and interconnections : Rotary coupling : Mechanically movable)
Patent 5506556: Circuit breaker mechanism
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Tripping means : Including spring-biasing or energy-storage means)
Patent 5506557: Radial anisotropic cylinder type ferrite magnets and their manufacturing methods and motors
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Permanent magnets : With cooling means)
Patent 5506558: Unipolar composite magnets
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Permanent magnets : Plural magnets : With outer casing or housing)
Patent 5506559: Choke coil for eliminating common mode noise and normal mode noise
(INDUCTOR DEVICES : CORE FORMS CASING : Movable with respect to another coil)
Patent 5506560: Electric power feeding device based on the electromagnetic induction
(INDUCTOR DEVICES : CORE FORMS CASING : Movable with respect to another coil)
Patent 5506561: Ignition coil
(INDUCTOR DEVICES : WINDING FORMED OF PLURAL COILS (SERIES OR PARALLEL) : Coil supports or spacers : Coils of different windings interposed)
Patent 5506562: Apparatus and method for disabling an internal combustion engine from a remote location
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Prerecorded message describes position)
Patent 5506563: Motor vehicle anti-theft security system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including specified sensor : Accessory (e.g., speaker, radio face plate, etc.) : Off course, route re-search)
Patent 5506564: Marine craft fuel alert system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Fluid level : Of fuel : Inductive)
Patent 5506565: Device for signaling the felling of a tree and a system for forest conservation
(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 : Combined for response : Specifying particular start/destination)
Patent 5506566: Tamper detectable electronic security package
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Partition penetration : Plural doors or windows)
Patent 5506567: Process for monitoring the openings to an enclosed space
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Disturbance of electromagnetic waves : Light : Inertia-type sensor (e.g., mercury or pendulum switch))
Patent 5506568: Shock sensor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Responsive to intruder energy : Vibration : Fence)
Patent 5506569: Self-diagnostic flame rectification sensing circuit and method therefor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Flame : Posture alarm)
Patent 5506570: Gasoline dispenser warning announces
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Moisture or humidity (e.g., rain))
Patent 5506571: Low air warning device for scuba divers
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Pressure : Liquid)
Patent 5506572: Low battery detection system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Battery : By voltage : Thermochromic indication)
Patent 5506573: Remote sensor and method for detecting the on/off status of an automatically controlled appliance
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Switch or relay : Thermal or magnetic current sensors)
Patent 5506574: Multi-functional intrusion warning system for branch circuits of a home and the like
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specified indicator structure : Plural : Proximity or distance)
Patent 5506575: Key-lock system and method using interchange of system-originated codes
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Varying authorization : Code programming : Programming from coded record to controller : Pivoted arm)
Patent 5506577: Synchronizer for pulse code modulation telemetry
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Including particular sensor)
Patent 5506578: Volume control of aural guidance of vehicle route guidance apparatus
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : Prerecorded message describes position : Including particular position/direction sensor)
Patent 5506579: Absolute encoder using multiphase analog signals
(CODED DATA GENERATION OR CONVERSION : DIGITAL PATTERN READING TYPE CONVERTER : Incremental : Constant distance code)
Patent 5506580: Data compression apparatus and method
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Adaptive coding : Pressure sensitive actuation)
Patent 5506581: Modulating method, modulating device and demodulating device
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from minimum d.c. level codes : Binary to or from ternary)
Patent 5506582: Signal processing apparatus
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR EW (ELECTRONIC WARFARE) : ECM (Electronic countermeasures, i.e., jamming) : With repeater :)
Patent 5506583: Frequency range gate closure
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : SYNTHETIC APERTURE RADAR : Mapping or imaging using synthetic aperture radar (EPO) : Particular SAR processing techniques (e.g., squint mode, doppler beam-sharpening mode, spotlight mode, bistatic SAR, inverse SAR) (EPO) : By varying gain or blocking receiver)
Patent 5506584: Radar sensor/processor for intelligent vehicle highway systems
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Secondary Surveilance Radar (SSR) or Air Traffic Control Radar Beacon System (ATCRBS))
Patent 5506585: Continuous wave radar effective for preventing collision of mobile object
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS EXTERNAL DEVICE : Radar mounted on and controls land vehicle : With control of brakes or steering : With VOR/TACAN)
Patent 5506586: Multiple-hypothesis, multiple-matched filter system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DIRECTION : Low angle processing : Combined with determining direction)
Patent 5506587: Position indicating system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using Global Positioning Satellite (GPS or Glonass) : With transmission of location-indicative information to or from a remote station :)
Patent 5506588: Attitude determining system for use with global positioning system, and laser range finder
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using Global Positioning Satellite (GPS or Glonass) : Attitude determination :)
Patent 5506589: Monopulse array system with air-stripline multi-port network
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a matrix : Controlled)
Patent 5506590: Pilot warning system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : With altitude determination : Having traffic control)
Patent 5506591: Television broadcast antenna for broadcasting elliptically polarized signals
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Active sleeve surrounds feed line : Doublet type : With main and subreflector (Casse-grain type))
Patent 5506592: Multi-octave, low profile, full instantaneous azimuthal field of view direction finding antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With grounding structure (including counterpoises) : Loop-type antenna)
Patent 5506593: Antenna protecting device for motor vehicles
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With support for antenna, reflector or director : For supporting rod-like end portion of antenna : Telescoping)
Patent 5506594: Helically shaped circularly polarizing antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With support for antenna, reflector or director : Antenna on post, standard or tower : Antenna along length of post : Quarter-wave transformer)
Patent 5506595: Vehicular display system forming display image on front windshield
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Three-dimensional arrays)
Patent 5506596: Reduced tension modular neon sign system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Segmented display elements : Fluid light-emitting display elements (e.g., gas, plasma) : Controlling circuitry : Photosensor encoder)
Patent 5506597: Apparatus and method for image projection
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Electroscopic (e.g., movable electrodes or electrostatic elements) : Resistor-diode arrangement)
Patent 5506598: Active matrix substrate and a method for driving the same
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Control means at each display element : Thin film tansistor (TFT) : Smooth or continuous)
Patent 5506599: Active matrix liquid crystal display apparatus with varying pulse widths and a constant pulse width-pulse height product
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Waveform generation : Redundancy (e.g., plural control elements or electrodes))
Patent 5506600: Driving apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Data signal compensation in response to temperature : Particular row or column control (e.g., shift register))
Patent 5506601: Liquid crystal apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Grouped electrodes (e.g., matrix partitioned into sections) : Particular row or column control (e.g., shift register))
Patent 5506602: Display control apparatus and method whereby a display identifies its display control method to a display controller in order that the
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL DISPLAY SYSTEMS : Diverse systems (e.g., CRT or LCD interface) : Number of pixels per row or column conversion (i.e., resolution conversion) : Changing of subpixel location over time)
Patent 5506603: Method and device for airbrushing
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Color processing in perceptual color space :)
Patent 5506604: Apparatus, systems and methods for processing video data in conjunction with a multi-format frame buffer
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Color bit data modification or conversion : Format change (e.g., NTSC to RGB, RGB to composite, XYZ to RGB) : Plural look up tables)
Patent 5506605: Three-dimensional mouse with tactile feedback
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Scaling)
Patent 5506606: Record apparatus
(RECORDERS : RECORD RECEIVERS AND/OR DRIVING MEANS THEREFOR : Receiver, only movable during recording)
Patent 5506607: 3-D model maker
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET :)
Patent 5506608: Print cartridge body and nozzle member having similar coefficient of thermal expansion
(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 5506609: Minimizing color bleed while maximizing throughput for color printing
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : Interlace : Movement)
Patent 5506610: Back side relief on thermal ink jet die assembly
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Discharge means : Nozzles : Movement)
Patent 5506611: Replaceable ink cartridge having surface wiring resistance pattern
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : Drop correction)
Patent 5506612: LED head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Housing or mounting : Lens)
Patent 5506613: Thermal print head control for printing serial bar codes
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Density control : Transfer material or recording medium)
Patent 5506614: Selective optical elements for multiwavelength electronic print heads
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific optical structure : Including switching means)
Patent 5506615: Video-on-demand system and method with high speed repeating transmission of video data, and video cassette recording capability
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : USER-REQUESTED VIDEO PROGRAM SYSTEM : Video-on-demand : VCR-like function : Combined with call bell system for hospital use)
Patent 5506616: Differential imaging for sensitive pattern recognition
(TELEVISION : BACK SCATTER REDUCTION : False color)
Patent 5506617: Electronic camera incorporating a computer-compatible bus interface
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Moving reflector)
Patent 5506618: Solid-state image pickup device using an all-pixel concurrent read-out type image sensor and color filter array
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Details of luminance signal formation in color camera : Optical zoom)
Patent 5506619: Adaptive color plan interpolation in single sensor color electronic camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With single image scanning device supplying plural color signals : Solid-state multicolor image sensor : With moving color filters)
Patent 5506620: Recording/reproducing apparatus for providing indications of abnormal states
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With electronic viewfinder or display monitor : With display of additional information : Dissector tube)
Patent 5506621: Image processing method and apparatus
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Specified color signal : Including luminance signal : Transform coding)
Patent 5506622: Block matching type motion vector determination using correlation between error signals
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)
Patent 5506623: Data compression methods and systems with quantization distortion measurement means
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Quantization : Having SAW or charge-transfer device)
Patent 5506624: Rotating sample of video images
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Involving block coding : Coding element controlled by buffer fullness)
Patent 5506625: Video signal conversion method for displaying a 4:3 video signal on a 16:9 screen
(TELEVISION : FORMAT CONVERSION : Conversion between standards with different aspect ratios : Specified chrominance signal)
Patent 5506626: Closed-caption decoder circuit having robust synchronization features
(TELEVISION : NONPICTORIAL DATA PACKET IN TELEVISION FORMAT : Sync : Frequency change of subcarrier)
Patent 5506627: Phase locked loop chain for locking audio sampling to serial digital component vide timing
(TELEVISION : SYNCHRONIZATION : Locking of video or audio to reference timebase : Audio to video : Color television)
Patent 5506628: Menu-type multi-channel system having a page up/down mode feature
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : For display of additional information : Simultaneously and on same screen (e.g., multiscreen) : Picture in picture : Locking rates)
Patent 5506629: Projecting-type display apparatus
(TELEVISION : VIDEO DISPLAY : Projection device : Cathode-ray tube image source : Deformable medium)
Patent 5506630: Progressive multifocal lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Multifocal : Gradually varying focal power : Spring between lens and strap)
Patent 5506631: Horizontal and vertical gaze nystagmus test apparatus and method
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT :)
Patent 5506632: Ophthalmologic apparatus having an electrical magnifier
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Of abnormal muscular functioning)
Patent 5506633: Device for ERG spectral perimetry
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including eye photography :)
Patent 5506634: Fundus illumination apparatus formed from three, separated radiation path systems
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including illuminator : On rotary disc)
Patent 5506635: Scanning method for jittered signals
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : For display of additional information)
Patent 5506636: HDTV signal receiver with imaginary-sample-presence detector for QAM/VSB mode selection
(TELEVISION : RECEIVER CIRCUITRY : Modulator)
Patent 5506637: Bridge structure of spectacles frame
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Bridges : Flexible : Screwless lens mounting)
Patent 5506638: Spectacles with weight bearing cheek rest
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With support or holder (e.g., on hat or cap) : With particular hinge)
Patent 5506639: Method and apparatus for editing motion picture film and synchronized sound
(OPTICS: MOTION PICTURES : WITH SOUND ACCOMPANIMENT : Separate picture and sound carrier systems : Flexible strip type)
Patent 5506640: Method and apparatus for an alignment grid or pattern projection system
(OPTICS: IMAGE PROJECTORS : PROJECTED IMAGE COMBINED WITH REAL OBJECT : Plural picture rows on single microcard)
Patent 5506641: Apparatus for controlling projection of optical layup template
(OPTICS: IMAGE PROJECTORS : PROJECTED IMAGE COMBINED WITH REAL OBJECT : Plural picture rows on single microcard)
Patent 5506642: Projector with plastic mirror
(OPTICS: IMAGE PROJECTORS : CABINET ENCLOSES PROJECTOR AND ONE SIDE OF SCREEN : Plural reflectors between lamp and screen)
Patent 5506643: Lens-fitted photographic flim unit and exposure aperture size changing device therefor
(PHOTOGRAPHY : VARIABLE FRAME MASKING : With radio or clock)
Patent 5506644: Camera
(PHOTOGRAPHY : WITH DATA RECORDING : Magnetically on film or film cassette : Segmented alphanumeric indicia)
Patent 5506645: Camera having transmission wheel axis coincident with flash unit turning axis
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Variable illumination angle : Diaphragm function only)
Patent 5506646: Test firing of a photographic flash assembly
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having preexposure illumination : Including focusing screen)
Patent 5506647: Field frame changeover mechanism for viewfinder
(PHOTOGRAPHY : WITH VIEWFINDER : Selective or adjustable viewfinder field : Variable size of mask opening : Base guide)
Patent 5506648: Film end detecting device of camera
(PHOTOGRAPHY : WITH FILM DRIVE : Having significant electronic circuit detail : Film feed error detection or end of film detection : Having film transport mechanism locked by perforation sensing pawl)
Patent 5506649: Method of forming a film end in a reverse curl to facilitate its extraction from a film cartridge
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Film cassette or cartridge : Cable release)
Patent 5506650: Camera door actuated cartridge extractor
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Film cassette or cartridge : Cable release)
Patent 5506651: Indicating apparatus of a camera
(PHOTOGRAPHY : HAVING CAMERA INDICATOR : Having indicator)
Patent 5506652: Photographic processor and method for replenishing
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Photographic medium or cartridge sensing : Transmittivity/reflectivity of photographic medium sensing : Rotary)
Patent 5506653: 58 second color print processor
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having photographic medium feed : And photographic medium immersed and removed : Having doctoring or wiper blade)
Patent 5506654: Lens focus control apparatus
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having indicator : Having lock mechanism)
Patent 5506656: Method of and apparatus for measuring the optical density of a photographic negative
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Multicolor picture : Regulating light intensity or exposure time : Including :)
Patent 5506657: Interleaving digital copier system
(ELECTROPHOTOGRAPHY : MISCELLANEOUS : Copy)
Patent 5506658: Sheet feeding apparatus and automatic document feeder
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Jam : Purge)
Patent 5506659: Image density control device having an original mounting element with a vertically adjustable means
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Exposure : Light source : By pivoting mirror)
Patent 5506660: Multi-pitch paper and image handling on seamed belt
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of transfer : Concentration control)
Patent 5506661: Image forming apparatus
(ELECTROPHOTOGRAPHY : COMBINED WITH DIVERSE SUBJECT MATTER :)
Patent 5506662: Image forming apparatus including an image bearing member and an erasing device for erasing a portion of an image from the image bearing member
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Exposure : Having image editing : Details of erase light : Touch pad)
Patent 5506663: Scanner mounting apparatus for an electrostatographic printing machine
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Combined with scanning : Development and cleaning)
Patent 5506664: Sensor for measuring toner applying capability
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : In response to potential of latent image)
Patent 5506665: Developing device having detachable toner box for use in image recording apparatus
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Developing unit : Drum mount)
Patent 5506666: Electrophotographic printing machine having a heat protecting device for the fuser
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat : Heated roller)
Patent 5506667: Thermal image-fixing apparatus with a variable resistance heater roller
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Jam : Purge)
Patent 5506668: Image forming apparatus having toner removing device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Having photoconductive toner : Of residual toner)
Patent 5506669: Cleaning device having potential applying member and image forming apparatus having a reciprocating recording material carrying member
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of cleaning : Temperature control)
Patent 5506670: Duplex copying machine with air blower for an intermediate tray
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Job mode : User access)
Patent 5506671: Electrostatographic printing including the use of colourless toner
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Color balance : Waste toner container)
Patent 5506672: System for measuring slip dislocations and film stress in semiconductor processing utilizing an adjustable height rotating beam splitter
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Contour or profile : By wavefront detection : Of highly reflective surface (e.g., mirror) : Planar surface :)
Patent 5506673: Particle analyzer
(OPTICS: MEASURING AND TESTING : WITH PLURAL DIVERSE TEST OR ART : Lamp attachments)
Patent 5506674: Method for identifying an optical fiber using a pattern of reflected light
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)
Patent 5506675: Laser target designator tester for measuring static and dynamic error
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : With photodetection remote from measured angle : With light pulsing or interrupting means)
Patent 5506676: Defect detection using fourier optics and a spatial separator for simultaneous optical computing of separated fourier transform components
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Integrating spheres)
Patent 5506677: Analysis of wear metals in perfluorinated fluids
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With sample excitation (e.g., burning) : By high frequency field (e.g., plasma discharge) : Including sputtering)
Patent 5506678: System for collecting weakly scattered electromagnetic radiation
(OPTICS: MEASURING AND TESTING : BY PARTICLE LIGHT SCATTERING : With photocell detection : Having adjustable color or bandwidth)
Patent 5506679: Nephelometer instrument
(OPTICS: MEASURING AND TESTING : BY PARTICLE LIGHT SCATTERING : With photocell detection : Having adjustable color or bandwidth)
Patent 5506680: Liquid mercury optical scintillator system for simulating optical atmospheric turbulence effects
(OPTICS: MEASURING AND TESTING : SHAPE OR SURFACE CONFIGURATION : Silhouette : Scan)
Patent 5506681: Method for detecting a reference position and displacement detector using the same
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Position transverse to viewing axis : Having scale or grid : Scan)
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