Patents 6166492 - 6166744

 

 

Patent 6166492: Low loss, electronic ballast
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE AND/OR RECTIFIER IN THE SUPPLY CIRCUIT : Plural discharge devices and/or rectifiers in the supply circuit : Discharge device or rectifier in the auxiliary starting electrode circuit)

Patent 6166493: Electric multispark ignition system, insensitive to moisture and wet
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Piezoelectric ignition systems : Condenser or inductance in the primary circuit)

Patent 6166494: Drive circuit arrangement for a gas discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Flashers)

Patent 6166495: Square wave ballast for mercury free arc lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Circuit interrupter in the inductance circuit)

Patent 6166496: Lighting entertainment system
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL LOAD DEVICE SYSTEMS : Electric switch in the supply circuit : Keyboard or pattern controlled switch : Electrically controlled load device switch)

Patent 6166497: Electronic control system for lighting lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : ELECTRIC SWITCH IN THE SUPPLY CIRCUIT : Plural gases or vapors in the discharge device)

Patent 6166498: Drive unit for hybrid vehicles
(ELECTRICITY: MOTIVE POWER SYSTEMS : PLURAL, DIVERSE OR DIVERSELY CONTROLLED ELECTRIC MOTORS : Having commutating switch-type transmitter)

Patent 6166499: Power output apparatus and method of regulating power
(ELECTRICITY: MOTIVE POWER SYSTEMS : BATTERY-FED MOTOR SYSTEMS : By auxiliary motor)

Patent 6166500: Actively controlled regenerative snubber for unipolar brushless DC motors
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 6166501: Index signal generating circuit
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 6166502: Thermal current limiting apparatus and method for vehicle system with electric motor actuator
(ELECTRICITY: MOTIVE POWER SYSTEMS : LIMITATION OF MOTOR LOAD, CURRENT, TORQUE OR FORCE (E.G., PREVENTING OVERLOAD) : Control of motor load or device driven)

Patent 6166503: Disc drive spindle motor with programmable current control
(ELECTRICITY: MOTIVE POWER SYSTEMS : LIMITATION OF MOTOR LOAD, CURRENT, TORQUE OR FORCE (E.G., PREVENTING OVERLOAD) : Control of motor load or device driven)

Patent 6166504: Control apparatus for robot having an arm moving within allowable working area
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Power- or motion-transmitting mechanism)

Patent 6166505: Interlocking apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : With program recording or composing means : Gearing)

Patent 6166506: Wireless safety clutch
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : With program recording or composing means : Multifunction manipulator (i.e., Robot) : Mobile robot :)

Patent 6166507: Disk drive system
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Digital or numerical systems : Pulse-counting systems : Commutating switch-type encoder)

Patent 6166508: Process for controlling the displacement of the window pane of a motor vehicle door
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With compensating features : Secto-scanning systems)

Patent 6166509: Detection system for substrate clamp
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular "error-detecting" means : Photoelectric or optical-type measuring instruments : A.C. networks)

Patent 6166510: Image forming apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular motor control system responsive to the "actuating signal" : "Step-by-step" motors in closed-loop servos : Rotating amplifier (e.g., "Ward Leonard" control))

Patent 6166511: Energization controller for a phase coil of an electric motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SYNCHRONOUS MOTOR SYSTEMS : Hysteresis or reluctance motor systems : Cyclically varying or repeated speed schedules)

Patent 6166512: Controller for diesel electric locomotive
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Braking : Dynamic braking : With de-energizable start winding)

Patent 6166513: Four-quadrant AC-AC drive and method
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Braking : Reversal of power to primary winding : Three phase power reversal : With a.c. to d.c. conversion circuit)

Patent 6166514: Apparatus and method for controlling induction 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 6166515: Electrical power supply circuit having a solar generator and a battery
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : WIND, SOLAR, THERMAL, OR FUEL-CELL SOURCE :)

Patent 6166516: Battery charger for towed vehicles and the like
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : ONE CELL OR BATTERY CHARGES ANOTHER : Vehicle battery charging :)

Patent 6166517: Control system for hybrid vehicle
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : ONE CELL OR BATTERY CHARGES ANOTHER : Vehicle battery charging :)

Patent 6166518: Implantable power management system
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : MEANS TO IDENTIFY CELL OR BATTERY TYPE : Vehicle battery charging)

Patent 6166519: Camera battery adapter system
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Vehicle battery charging)

Patent 6166520: Intercell bussing system for battery pack
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Vehicle battery charging)

Patent 6166521: Current-to-voltage transition control of a battery charger
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : DIVERSE CHARGING OR DISCHARGING RATES FOR PLURAL BATTERIES : With generator charging source)

Patent 6166522: Battery conditioning scheme
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL DISCHARGING : With generator charging source)

Patent 6166523: Smart alternator method and apparatus for optimizing fuel efficiency and monitoring batteries in an automobile
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL DISCHARGING : With charging : Cycling (e.g., discharge/charge cycle, etc.) : With state-of-charge detection :)

Patent 6166524: Alternate fuel gauge for an alkali metal electrochemical cell
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL DISCHARGING : With charging : Cycling (e.g., discharge/charge cycle, etc.) : With state-of-charge detection :)

Patent 6166525: Automatic electric power generator control
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : WITH PHYSICAL STARTING AND/OR STOPPING OF THE GENERATOR : Automatic in response to predetermined conditions :)

Patent 6166526: DC/DC converter
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using choke and switch across source : In bridge)

Patent 6166527: Control circuit and method for maintaining high efficiency in a buck-boost switching regulator
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using choke and switch across source : In bridge)

Patent 6166528: Lossless current sensing in buck converters working with low duty cycles and high clock frequencies
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Switched (e.g., switching regulators) : Digitally controlled : Including final control device parameter)

Patent 6166529: Voltage-current conversion circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : Including parallel paths (e.g., current mirror) : With additional stage)

Patent 6166530: Current-Limited switch with fast transient response
(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 6166531: Three phase to single phase power protection system with multiple primaries and UPS capability
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : INCLUDING A TRANSFORMER OR AN INDUCTOR : Polyphase or plural transformers : For current transformer)

Patent 6166532: Electrical circuit breaker locator with transmitter and receiver
(ELECTRICITY: MEASURING AND TESTING : CONDUCTOR IDENTIFICATION OR LOCATION (E.G., PHASE IDENTIFICATION) : Inaccessible (at test point) conductor (e.g., buried in wall) : Using resistance or conductance measurement)

Patent 6166533: Frequency spectrum analyzer with high C/N ratio
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Analysis of complex waves : Frequency spectrum analyzer : Scanning-panoramic receiver : With particular sweep circuit : To detect a flaw or defect)

Patent 6166534: Method and apparatus for measuring the wheel speed
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including speed-related frequency generator : With direction indicator)

Patent 6166535: Inductive angle sensor that adapts an oscillator frequency and phase relationship to that of an interference frequency
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Rotary : Magnetoresistive)

Patent 6166536: System and method for measuring erase band widths on magnetic media
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetic information storage element testing : Dynamic information element testing : Magnetoresistive)

Patent 6166537: Method to measure the variations in section of a rolled bar while minimizing the influence of temperature
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With compensation for test variable : Sensor supported, positioned, or moved within pipe)

Patent 6166538: Autoclave cycle monitor for autoclaved instruments
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : Sensor supported, positioned, or moved within pipe)

Patent 6166539: Magnetoresistance sensor having minimal hysteresis problems
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetometers : Semiconductor type solid-state or magnetoresistive magnetometers : Plural sensors)

Patent 6166540: Method of resistivity well logging utilizing nuclear magnetic resonance
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE :)

Patent 6166541: Apparatus for and method of nuclear quadrupole resonance testing of a sample
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE :)

Patent 6166542: Nuclear magnetic resonance level gauging device
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE :)

Patent 6166543: Method and apparatus for measuring nuclear magnetic resonance
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using well logging device : To determine direction)

Patent 6166544: MR imaging system with interactive image contrast control
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 6166545: MRI reconstruction using partial echo and partial NEX data acquisitions
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 6166546: Method for determining the relative clay content of well core
(ELECTRICITY: MEASURING AND TESTING : OF SUBSURFACE CORE SAMPLE : Using electrode arrays, circuits, structure, or supports)

Patent 6166547: Line card loss of battery detector
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Circuit breaker)

Patent 6166548: Method of detecting battery capacity in a zinc-air battery
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a battery testing device : To compare battery voltage with a reference voltage : Including an integrating device)

Patent 6166549: Electronic circuit for measuring series connected electrochemical cell voltages
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a battery testing device : To determine plural cell condition : Including an integrating device)

Patent 6166550: Charge measuring instrument
(ELECTRICITY: MEASURING AND TESTING : A MATERIAL PROPERTY USING ELECTROSTATIC PHENOMENON : Using a conductivity determining device)

Patent 6166551: Method for monitoring the state of microcrystalline change of solid materials
(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 6166552: Method and apparatus for testing a semiconductor wafer
(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 6166553: Prober-tester electrical interface for semiconductor test
(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 6166554: Flexible electrical test fixture for integrated circuits on prototype and production printed circuit boards
(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 6166555: Apparatus and method for seating and/or unseating printed circuit boards in a chamber
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : With temperature control : Of reflected test signal)

Patent 6166556: Method for testing a semiconductor device and semiconductor device tested thereby
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Test of semiconductor device : Cantilever)

Patent 6166557: Process of selecting dies for testing on a wafer
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Test of semiconductor device : Cantilever)

Patent 6166558: Method for measuring gate length and drain/source gate overlap
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Test of semiconductor device : With barrier layer : Field effect transistor : Differential bridge circuit)

Patent 6166559: Redundancy circuitry for logic circuits
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : RELIABILITY : Redundant : Function of AND, OR, NAND, NOR, or NOT)

Patent 6166560: Basic cell structure having a plurality of transistors for master slice type semiconductor integrated circuit device
(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 6166561: Method and apparatus for protecting off chip driver circuitry employing a split rail power supply
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : TRI-STATE (I.E., HIGH IMPEDANCE AS THIRD STATE) : With field effect-transistor : Complementary FET`s)

Patent 6166562: Semiconductor integrated circuit device
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : Integrated Injection Logic (I2L))

Patent 6166563: Method and apparatus for dual mode output buffer impedance compensation
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : Having plural output pull-up or pull-down transistors : Having plural output pull-up or pull-down transistors)

Patent 6166564: Control circuit for clock enable staging
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : CLOCKING OR SYNCHRONIZING OF LOGIC STAGES OR GATES : Current driving (e.g., fan in/out, off chip driving, etc.))

Patent 6166565: Circuit for comparing two electrical quantities
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Comparison between plural varying inputs : Differential input : Having feedback : Cross-coupled)

Patent 6166566: Adaptive threshold circuit for comparators
(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 reference derived therefrom : Three or more inputs)

Patent 6166567: Analog sampling processor
(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 6166568: Method and arrangement for generating orthogonal sinusoidal signals
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synthesizer : With logic or bistable circuit)

Patent 6166569: Test interface circuits with waveform synthesizers having reduced spurious signals
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synthesizer : With logic or bistable circuit)

Patent 6166570: Output buffer circuit with switchable common mode output 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 6166571: High speed frequency divider circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Frequency or repetition rate conversion or control : Of output rectangular waveform : Frequency division : With differential amplifier)

Patent 6166572: Voltage-controlled delay line, direct phase controlled voltage-controlled oscillator, clock/data recovery circuit, and
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Using multiple clocks : With feedback : Phase lock loop : With variable delay means :)

Patent 6166573: High resolution delay line
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With delay means : Phase lock loop)

Patent 6166574: Circuit for turning on and off a clock without a glitch
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Regenerating or restoring rectangular (e.g., clock, etc.) or pulse waveform : Having digital device (e.g., logic gate, flip-flop, etc.) : By phase)

Patent 6166575: Signal transmission circuit achieving significantly improved response time of a driven circuit, CMOS semiconductor device and circuit board
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Slope control of leading or trailing edge of rectangular (e.g., clock, etc.) or pulse waveform : Having negative resistance device (e.g., tunnel diode, etc.))

Patent 6166576: Method and apparatus for controlling timing of digital components
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Delay interval set by rising or falling edge : Having specific active circuit element or structure (e.g., FET, complementary transistors, etc.) : Differential amplifier : Resistor in cross-coupling path)

Patent 6166577: Semiconductor integrated circuit device and microcomputer
(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.) : Electron tube)

Patent 6166578: Circuit arrangement to compensate non-linearities in a resistor, and method
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : Variable attenuator : Clock bus)

Patent 6166579: Digitally controlled signal magnitude control circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : Variable attenuator : Clock bus)

Patent 6166580: CMOS high-to-low voltage buffer
(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 6166581: Differential integrator having offset and gain compensation, not requiring balanced inputs
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : By integrating : Having switched capacitance : With feedback)

Patent 6166582: Method and apparatus of an output buffer for controlling the ground bounce of a semiconductor device
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Signal transmission integrity or spurious noise override : Switch noise signal : Temperature control)

Patent 6166583: Semiconductor device, and operating device, signal converter, and signal processing system using the semiconductor device
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Converging with plural inputs and single output : Electron tube)

Patent 6166584: Forward biased MOS circuits
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Having particular substrate biasing : With battery connected across rectifier)

Patent 6166585: Methods and apparatus for a high efficiency charge pump that includes a MOSFET capacitor operating in an accumulation region
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Having particular substrate biasing : Having stabilized bias or power supply level : Charge pump details : With emitter follower)

Patent 6166586: Integrated circuit and method therefor
(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.) : Having stabilized bias or power supply level)

Patent 6166587: CMOS circuit for generating a current reference, the circuit comprising a transistor in a weak inversion region
(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.) : Having stabilized bias or power supply level)

Patent 6166588: Power supply circuit
(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)

Patent 6166589: Reference voltage generator circuit for an integrated circuit device
(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)

Patent 6166590: Current mirror and/or divider circuits with dynamic current control which are useful in applications for providing series of reference
(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.) : Using field-effect transistor : With field-effect transistor)

Patent 6166591: FET gate biasing control device for power amplifier
(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 6166592: Linear CMOS transconductor with rail-to-rail compliance
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Nonlinear amplifying circuit : With operational amplifier : With field-effect transistor : Selective type signal filtering (e.g., from low pass to high pass, etc.))

Patent 6166593: Input/output devices for complex integrated circuits, and assembly method thereof
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Integrated structure : With differential amplifier)

Patent 6166594: Self calibrating demodulator system
(DEMODULATORS : FREQUENCY MODULATION DEMODULATOR : Having specific distortion, noise or other interference prevention, reduction or compensation : Using feedback to reduce distortion, noise or other interference : With parallel signal combiners (e.g., Costas loop))

Patent 6166595: Linearization technique for analog to digital converters
(AMPLIFIERS : WITH PERIODIC SWITCHING INPUT-OUTPUT (E.G., FOR DRIFT CORRECTION) : Phonon type (e.g., ultrasonic wave propagating device))

Patent 6166596: High efficiency power amplifying apparatus with phase compensation circuit
(AMPLIFIERS : MODULATOR-DEMODULATOR-TYPE AMPLIFIER : Phonon type (e.g., ultrasonic wave propagating device))

Patent 6166597: Method for feedback control of a controlled variable
(AMPLIFIERS : HAVING LIGHT-CONTROLLED OR ACTIVATED DEVICE (I.E., NOT LIGHT SIGNAL) : Artificial line)

Patent 6166598: Power amplifying circuit with supply adjust to control adjacent and alternate channel power
(AMPLIFIERS : WITH CONTROL OF POWER SUPPLY OR BIAS VOLTAGE : Redundant amplifier circuits)

Patent 6166599: Impedance matching networks for non-linear circuits
(AMPLIFIERS : HUM OR NOISE OR DISTORTION BUCKING INTRODUCED INTO SIGNAL CHANNEL : Electron tube or diode as impedance)

Patent 6166600: Automatic gain and phase controlled feedforward amplifier without pilot signal
(AMPLIFIERS : WITH AMPLIFIER BYPASS MEANS (E.G., FORWARD FEED) : Electron tube or diode as impedance)

Patent 6166601: Super-linear multi-carrier power amplifier
(AMPLIFIERS : WITH AMPLIFIER BYPASS MEANS (E.G., FORWARD FEED) : Electron tube or diode as impedance)

Patent 6166602: High-efficiency switching power amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including Class D amplifier : Electron beam device)

Patent 6166603: Class-ab output stages with improved distortion performance
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including push-pull amplifier : Having complementary symmetry :)

Patent 6166604: Semiconductor amplifier with compensated passing gain characteristic and passing phase characteristic
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including field effect transistor : Having transformer)

Patent 6166605: Integrated audio amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including particular power supply circuitry : Having frequency-responsive means or phase-shift means in feedback path)

Patent 6166606: Phase and frequency locked clock generator
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : With reference oscillator or source : Signal or phase comparator : With motor comparator)

Patent 6166607: Semiconductor test structure formed in cutting path of semiconductor water
(OSCILLATORS : RING OSCILLATORS : Parallel connected)

Patent 6166608: Thermo-electric cooled oven controlled crystal oscillator
(OSCILLATORS : WITH OUTER CASING OR HOUSING : With temperature modifier : Diverse-type oscillators)

Patent 6166609: Oscillator circuit supplied with optimal power voltage according to oscillator output
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Amplitude stabilization and control : Inductor controlled AFC)

Patent 6166610: Integrated reconfigurable polarizer
(WAVE TRANSMISSION LINES AND NETWORKS : WAVE MODE CONVERTERS : Polarization converters : Including long line element)

Patent 6166611: Resonator ladder type surface acoustic wave filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Using surface acoustic waves : Plural coupled vibrators)

Patent 6166612: Coplanar line filter and duplexer
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Stripline or microstrip : Plural mechanically coupled disk resonators)

Patent 6166613: Voltage-controlled resonator, method of fabricating the same, method of tuning the same, and mobile communication apparatus
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Stripline or microstrip : Tunable : Monolithic structure)

Patent 6166614: Nonradiative planar dielectric line and integrated circuit
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINES : Waveguide type : With tuning)

Patent 6166615: Blind mate non-crimp pin RF connector
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Connectors and interconnections : Switch)

Patent 6166616: Circuit breaker with trip bar reinforcing clip
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Tripping means : Including spring-biasing or energy-storage means)

Patent 6166617: Pole piece assembly and open magnet having same
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Coil structure or material : Movable or adjustable cores)

Patent 6166618: Electrical safety receptacle
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : THERMALLY ACTUATED SWITCHES : With bimetallic element : Housing, casing or support structure : With position adjusting means)

Patent 6166619: Overcurrent limiter having inductive compensation
(ELECTRICAL RESISTORS : WITH INDUCTANCE-REDUCING : Ventilated helical or zigzag element)

Patent 6166620: Resistance wiring board and method for manufacturing the same
(ELECTRICAL RESISTORS : WITH BASE EXTENDING ALONG RESISTANCE ELEMENT : Resistance element coated on base : Terminal coated on : Element coiled on a core)

Patent 6166621: Method and apparatus for displaying a message which has been received
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Message presentation : Display : News information provider (e.g., sports, weather, etc.))

Patent 6166622: Time slot structure for improved TPC estimation in WCDMA
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Synchronous distributor at transmitter and receiver : Automatic rebalancing)

Patent 6166623: Modular alarm assembly
(COMMUNICATIONS: ELECTRICAL : AUDIBLE INDICATION : Movable)

Patent 6166624: Piezoelectric horn, particularly for vehicles
(COMMUNICATIONS: ELECTRICAL : AUDIBLE INDICATION : Piezoelectric : By electromagnetically releasable latch)

Patent 6166625: Pyroelectric intrusion detection in motor vehicles
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including specified sensor : Detecting intruder energy (e.g., infrared, etc.) : Off course, route re-search)

Patent 6166626: Clandestine missing vehicle location reporting using cellular channels
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Remote alarm : Using GPS (i.e., location) : Off course, route re-search)

Patent 6166627: Mobile detection and alert system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including specified sensor : Plural diverse sensors : Off course, route re-search)

Patent 6166628: Arrangement and method for detecting objects from a motor vehicle
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of collision or contact with external object : Including keyless entry)

Patent 6166629: Combination delay box with driver reaction time tester and tachometer and playback
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Curb)

Patent 6166630: Wireless fuel gauge
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Fluid level : Of fuel : Inductive)

Patent 6166631: Method and apparatus for alerting a vehicle driver of an operating condition
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Reminder : Of parking brake application : Inductive)

Patent 6166632: Interactive alarm systems
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Alarm system supervision : With ringback)

Patent 6166633: Process for reducing motion-type false alarm of security alarm system with self-analyzing and self-adjusting control
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Alarm system supervision : With ringback)

Patent 6166634: Garage door status signalling device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Door or window movement : Permutation)

Patent 6166635: Radio burglar alarm system for travel bag
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Alarm on protected article : Specified connector (e.g., phone jack-type plug))

Patent 6166636: Marker for use in a magnetic anti-theft security system and method for making same
(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 6166637: Apparatuses for electronic identification of a plurality of passing units and methods of electronic identification of a plurality of
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Detectable device on protected article (e.g., "tag") : Specified antenna structure : Fence)

Patent 6166638: RF/ID transponder with squinted beam radiation pattern using dipole-over-ground plane antenna
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Detectable device on protected article (e.g., "tag") : Specified antenna structure : Fence)

Patent 6166639: Personal emergency response system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))

Patent 6166640: Bicolor indicator lamp for room occupancy sensor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))

Patent 6166641: Termite sensor and termite intrusion detecting system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))

Patent 6166642: Electronic tracing system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))

Patent 6166643: Method and apparatus for controlling the whereabouts of an animal
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Domestic animal training, monitoring, or controlling : Specified device housing or attachment means)

Patent 6166644: Patient monitoring system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : House arrest system, wandering, or wrong place : Specified device housing or attachment means)

Patent 6166645: Road surface friction detector and method for vehicles
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Ice formation : Photoelectric : Specified device housing or attachment means)

Patent 6166646: Vacuum-adsorbing apparatus of semiconductor device fabrication facility
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Pressure : Liquid)

Patent 6166647: Fire detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Particle suspension in fluid : Smoke : Float sensor)

Patent 6166648: Aspirated detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Particle suspension in fluid : Smoke : Photoelectric : Pivoted arm)

Patent 6166649: DSRC on-vehicle device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Electrical characteristic : Voltage : Electrical socket)

Patent 6166650: Secure self learning system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Varying authorization : Code rotating or scrambling : Programming of coded record)

Patent 6166651: Radio selective calling receiver having automatic time correction function
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Paging to control diverse device : Amplitude or polarity controlled)

Patent 6166652: System and method for locating misplaced items
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Location indication : Housing detail)

Patent 6166653: System for address initialization of generic nodes in a distributed command and control system and method therefor
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Addressing : Designated priority)

Patent 6166654: Drilling assembly with reduced stick-slip tendency
(COMMUNICATIONS: ELECTRICAL : WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.) : Selective control of subsurface equipment : Control of drill bit or apparatus (e.g., steering, speed, etc.) : Control of drilling apparatus using magnetic field)

Patent 6166655: Device and method for identifying magnetic induction coordinate
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With particular transmitter (e.g., piezoelectric, dynamo) : Inductive transmitter : Pulse duration (e.g., pulse train))

Patent 6166656: Emergency assistance system for automobile accidents
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))

Patent 6166657: Imminent icing condition enunciator
(COMMUNICATIONS: ELECTRICAL : EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM : Highway information (e.g., weather, speed limits, etc.) : Relative distence between vehicles (e.g., collision alert))

Patent 6166658: Speed limit control system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Vehicle speed control (e.g., cruise control) : Fail-safe system)

Patent 6166659: Toll collecting system and method including determination of a towed vehicle
(COMMUNICATIONS: ELECTRICAL : TRAFFIC CONTROL INDICATOR : Combined (e.g., toll systems, one-way) : Rotating cam structure (specific structure required))

Patent 6166660: Driveway alarm system
(COMMUNICATIONS: ELECTRICAL : VEHICLE PARKING INDICATORS : Pivoted)

Patent 6166661: System for detecting ice on an aircraft
(AERONAUTICS : AIRCRAFT STRUCTURE : Ice prevention : Materials of construction)

Patent 6166662: Structure of key pad
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)

Patent 6166663: Architecture for inverse quantization and multichannel processing in MPEG-II audio decoding
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)

Patent 6166664: Efficient data structure for entropy encoding used in a DWT-based high performance image compression
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from bit count codes : Binary to or from ternary)

Patent 6166665: Data compression method and apparatus with embedded run-length encoding
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from bit count codes : Binary to or from ternary)

Patent 6166666: Method and apparatus for compression and encoding of unicode strings
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Unnecessary data suppression : BCD (binary-coded decimal) to binary)

Patent 6166667: Selection of turbo or non-turbo error correction codes based on data type or length
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With error detection or correction : To or from Hollerith code)

Patent 6166668: Method and apparatus for providing DC offset correction and hold capability
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)

Patent 6166669: Protection from inbound signal noise caused by inductively coupled outbound signal transitions by controlling decision threshold
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Detecting analog signal peak : Plural slope analog to digital converter)

Patent 6166670: Self calibrating current mirror and digital to analog converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : With particular solid state devices (e.g., Gunn effect device, Josephson device, drift transistor, using solid state active devices as impedances) with other at longer intervals) : Field effect transistor : With rollover feature (i.e., antidoublestrike))

Patent 6166671: Analog-to-digital converting circuit apparatus and coverting method thereof
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Nonlinear : Automatic control for increasing converter range (e.g., gain ranging, automatic gain control) : With rollover feature (i.e., antidoublestrike))

Patent 6166672: Digital/analog converter and method using voltage distribution
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Coarse and fine conversions : With rollover feature (i.e., antidoublestrike))

Patent 6166673: Data acquisition system and method with a selectable sampling rate
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using ladder network)

Patent 6166674: Analog to digital converter using several cascade-connected interpolation circuits
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : With rollover feature (i.e., antidoublestrike))

Patent 6166675: Pipeline analog-to-digital conversion system using double sampling and method of operation
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Serial conversions with change in signal : Including priority encoder)

Patent 6166676: Correlating device and sliding correlating device using the same
(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 6166677: Image synthesizing method using a plurality of reflection radar waves and aircraft image radar apparatus using the method
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : SYNTHETIC APERTURE RADAR : Mapping or imaging using synthetic aperture radar (EPO) : With frequency domain processing of the SAR signals in azimuth (EPO) : By varying gain or blocking receiver)

Patent 6166678: Fourier-transform-based adaptive radio interference mitigation
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : SYNTHETIC APERTURE RADAR : Mapping or imaging using synthetic aperture radar (EPO) : Radar reacts to jamming)

Patent 6166679: Friend or foe detection system and method and expert system military action advisory system and method
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : IFF or SIF : With defruiting or degarbling)

Patent 6166680: Range dependent time delay target detecting device
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS EXTERNAL DEVICE : Missile or spacecraft guidance : Distance measuring equipment (DME))

Patent 6166681: Measuring the thickness of materials
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DISTANCE : Material level within container : FM type)

Patent 6166682: Radar device and object detection method
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Spectrum analysis : Mapping)

Patent 6166683: System and method for high-integrity detection and correction of cycle slip in a carrier phase-related system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : With accuracy enhancing : With ambiguity resolving :)

Patent 6166684: Artificial satellite navigation system and method
(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) : Determining relative position (e.g., distance or direction) :)

Patent 6166685: Wireless user position update using infrastructure measurements
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using Global Positioning Satellite (GPS or Glonass) : Combined with telecommunication :)

Patent 6166686: Corrected magnetic compass
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using Global Positioning Satellite (GPS or Glonass) : Combined with secondary navigation system (i.e., LORAN, gyroscope, inertial, dead reckoning, etc.) :)

Patent 6166687: Method for determining position of mobile earth station in satellite communication system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using low Earth orbit (telecommunication) satellites : Satellite selection (i.e., tracking or acquisition))

Patent 6166688: Data processing system and method for disabling a portable computer outside an authorized area
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : With particular action taken responsive to position : Satellite selection (i.e., tracking or acquisition))

Patent 6166689: Adaptive beamformer with beam mainlobe maintenance
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Utilizing correlation techniques : Side lobe elimination : Difference of each antenna channel signal : Satellite selection (i.e., tracking or acquisition))

Patent 6166690: Adaptive nulling methods for GPS reception in multiple-interference environments
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Utilizing correlation techniques : Sum of each antenna signal : Mixing each antenna channel signal)

Patent 6166691: Self-calibrating reference terminal
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : Having plural transmitters or receivers : Plural receivers only : Unequal distance between at least three antennas)

Patent 6166692: Planar single feed circularly polarized microstrip antenna with enhanced bandwidth
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)

Patent 6166693: Tapered leaky wave ultrawide band microstrip antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)

Patent 6166694: Printed twin spiral dual band antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)

Patent 6166695: Antenna detent and latching mechanism for a radiotelephone
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)

Patent 6166696: Dual radiator galvanic contact antenna for portable communicator
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)

Patent 6166697: Antenna means, a method for its manufacturing and a hand-held radio communication device
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)

Patent 6166698: Rearview mirror with integrated microwave receiver
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body :)

Patent 6166699: Antenna source for transmitting and receiving microwaves
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With polarization filter or converter : With reflector)

Patent 6166700: Satellite terminal antenna installation
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With means for moving directive antenna for scanning, sweeping or orienting : Reflector and antenna relatively movable : With feedback)

Patent 6166701: Dual polarization antenna array with radiating slots and notch dipole elements sharing a common aperture
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Plural : With wave guide coupling :)

Patent 6166702: Microstrip antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Balanced doublet - centerfed (e.g., dipole) : Sheet or wing type : With main and subreflector (Casse-grain type))

Patent 6166703: Combination satellite and VHF/UHF receiving antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna with parasitic reflector : Parabolic-type reflector with active antenna at focus : Including a screening reflector)

Patent 6166704: Dual elliptical corrugated feed horn for a receiving antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna with parasitic reflector : Parabolic-type reflector with active antenna at focus : Including a screening reflector)

Patent 6166705: Multi title-configured phased array antenna architecture
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With coupling network or impedance in the leadin : With plural antennas : Including a screening reflector)

Patent 6166706: Rotating field antenna with a magnetically coupled quadrature loop
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Loop type : Plural; plural or tapped coils : Including long line element)

Patent 6166707: Antenna shroud for a portable communications device
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With housing or protective covering : With collapsible or foldable frame)

Patent 6166708: Apparatus perfected arrangement of spiral antennas
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Spiral or helical type : Antenna on bracket)

Patent 6166709: Broad beam monofilar helical antenna for circularly polarized radio waves
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Spiral or helical type : Antenna on bracket)

Patent 6166710: Variable color display system for sequentially exhibiting digital values
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Segmented display elements : Solid light-emitting display elements : Light-emitting diodes : Photosensor encoder)

Patent 6166711: Plasma addressed electro-optical display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Fluid light emitter (e.g., gas, liquid, or plasma) : Having endless belt or tape reader)

Patent 6166712: High-persistence display circuit and method to therefor
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Resistor-diode arrangement)

Patent 6166713: Active matrix display device
(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 6166714: Displaying device
(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 : Field period polarity reversal : Smooth or continuous)

Patent 6166715: Thin-film transistor liquid-crystal display driver
(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) : Specific display element control means (e.g., latches, memories, logic) : Particular row or column control (e.g., shift register) : Smooth or continuous)

Patent 6166716: Presentation apparatus for two-dimensional picture information
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : SECURITY : Password : Biometric acquisition)

Patent 6166717: Image processing apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Anti-aliasing or image smoothing : Linear)

Patent 6166718: Video game system with vertical array of cursor images
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Cursor : Navigation within structure)

Patent 6166719: Consistently ordered adjustment of a digitally represented image
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Intensity or color driving control (e.g., gray scale) : Having common base or substrate)

Patent 6166720: Color LCD driver with a YUV to RGB converter
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Color bit data modification or conversion : Color space transformation (e.g., RGB to YUV) : Plural look up tables)

Patent 6166721: Mouse as computer input device having additional mechanism for controlling additional function such as scrolling
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Scaling)

Patent 6166722: Portable electronic apparatus having pointing device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Portable (i.e., handheld, calculator, remote controller) : Optical detector)

Patent 6166723: Mouse interface device providing force feedback
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Mechanical control (e.g., rotatable knob, slider) : CRT having tracking capability)

Patent 6166724: Method and apparatus for sequencing palette updates in a video graphics system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Plural storage devices : Data transfer between memories : Optical detector)

Patent 6166725: Liquid crystal display device wherein voltages having opposite polarities are applied to adjacent video signal lines of a liquid
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Waveform generator coupled to display elements : Field period polarity reversal : Changing of subpixel location over time)

Patent 6166726: Circuit for driving a liquid crystal display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Display power source : Having three or more voltage levels)

Patent 6166727: Virtual three dimensional space sharing system for a wide-area network environment
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT : Synchronization of diverse media :)

Patent 6166728: Display system with programmable display parameters
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On screen video or audio system interface : Video interface : Mode switching interface (e.g., switching between TV and computer))

Patent 6166729: Remote digital image viewing system and method
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On screen video or audio system interface : Video interface : Mode switching interface (e.g., switching between TV and computer))

Patent 6166730: System for interactively distributing information services
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On screen video or audio system interface : Balloon or bubble appearance)

Patent 6166731: Editing digitized audio/video data across a network
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On screen video or audio system interface : For video segment editing or sequencing : Video parameter control)

Patent 6166732: Distributed object oriented multi-user domain with multimedia presentations
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : For plural users or sites (e.g., network) : Slide manipulating or editing)

Patent 6166733: Index indicator, index display method and recording medium storing index indicator program
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Indexed book or notebook metaphor : Virtual input device (e.g., virtual keyboard))

Patent 6166734: Portable interactive graphics display tablet and communications system
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : User interactive multicomputer data transfer (e.g., file transfer) : Interface customization or adaption (e.g., client server))

Patent 6166735: Video story board user interface for selective downloading and displaying of desired portions of remote-stored video data objects
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : User interactive multicomputer data transfer (e.g., file transfer) : Downloading remote executables (e.g., Java, CGI) : End user based (e.g., preference setting))

Patent 6166736: Method and apparatus for simultaneously resizing and relocating windows within a graphical display
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Window or viewpoint : Layout modification (e.g., move or resize) : Combining moving and resizing operation (e.g., moving causes resizing) : Viewing lower priority windows (e.g., overlapped windows))

Patent 6166737: Quick input device for window selection list control signal of notebook-type computer
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Window or viewpoint : On-screen window list or index : Hierarchical)

Patent 6166738: Methods, apparatus and data structures for providing a user interface, which exploits spatial memory in three-dimensions, to objects
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Menu or selectable iconic array (e.g., palette) : Selectable iconic array : Imitating real life object : Scrolling (e.g., spin dial))

Patent 6166739: Method and apparatus for organizing and processing information using a digital computer
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Hierarchy or network structure : Navigation within structure : On-screen navigation control)

Patent 6166740: Method and system for viewing three-dimensional data for a tracked structure
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension :)

Patent 6166741: Graphics segment organization in a graphics system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension : Solid modelling :)

Patent 6166742: Wavelet-assisted volume ray casting
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension : Hidden line/surface determining :)

Patent 6166743: Method and system for improved z-test during image rendering
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension : Hidden line/surface determining : Z buffer (depth buffer) :)

Patent 6166744: System for combining virtual images with real-world scenes
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Merge or overlay : Based on image data)

 

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