Patents 5502347 - 5502599

 

 

Patent 5502347: Electron source
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGE DEVICES HAVING A MULTIPOINTED OR SERRATED EDGE ELECTRODE : Discharge control electrode)

Patent 5502348: Ballistic charge transport device with integral active contaminant absorption means
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGE DEVICES HAVING A THERMIONIC OR EMISSIVE CATHODE : Discharge control electrode)

Patent 5502349: Elastic member for supporting shadow mask of color picture tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Shadow mask, support or shield : With resilient support : Integral or contiguous storage and display element)

Patent 5502350: Shadow mask support member having high strength and thermal deformation resistant low-expansion alloy plate and high expansion alloy plate and
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Shadow mask, support or shield : With resilient support : Integral or contiguous storage and display element)

Patent 5502351: Spark plug having horizontal discharge gap
(ELECTRIC LAMP AND DISCHARGE DEVICES : SPARK PLUGS : Particular electrode structure or spacing : Non-shortest line spark and surface spark type)

Patent 5502352: Spark plug having horizontal discharge
(ELECTRIC LAMP AND DISCHARGE DEVICES : SPARK PLUGS : Particular electrode structure or spacing : Non-shortest line spark and surface spark type)

Patent 5502353: Apparatus for bunching relativistic electrons
(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 :)

Patent 5502354: Direct current energized pulse generator utilizing autogenous cyclical pulsed abnormal glow discharges
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Valve controlled)

Patent 5502355: Plasma processing apparatus for producing high density plasma
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Plasma generating : Automatic cut-out or voltage regulator in the cathode or heater circuit)

Patent 5502356: Stabilized radial pseudospark switch
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Electron or ion source : Gas ionization type (e.g., ion pump or gauge source) : Plasma containment)

Patent 5502357: Low cost inverter for EL lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Flashers)

Patent 5502358: Method and apparatus for controlling the tension of a power cord of a self-propelled robot
(ELECTRICITY: MOTIVE POWER SYSTEMS : WITH PARTICULAR MOTOR-DRIVEN LOAD DEVICE : Tension-maintaining type of motor-control system : Plural motor drive)

Patent 5502359: Small motor with permanent-magnet rotor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Miniature motors : Banding)

Patent 5502360: Stator resistance detector for use in electric motor controllers
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Responsive to motor condition : Responsive to motor voltage : With controlled magnetic reactance)

Patent 5502361: Load current limiting circuit for PWM controlled brushless motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 5502362: Asynchronous machine with a short-circuit rotor
(ELECTRICITY: MOTIVE POWER SYSTEMS : AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) : Responsive to thermal conditions : Magnitude of movement or revolutions)

Patent 5502363: Apparatus for controlling angular positioning and stiffness modulations of joint of robotic manipulator
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : With program recording or composing means : Multifunction manipulator (i.e., Robot) : Differential type)

Patent 5502364: Aircraft automatic throttle forward stop servo system and method
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With stabilizing features (e.g., anti-hunting, damping) : By auxiliary feedback loop : Rate feedback : Tachometer feedback : Including display device)

Patent 5502365: Driving control apparatus of motor-driven compressor utilized for automobile
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Responsive to motor condition : Operating from a single phase source)

Patent 5502366: Battery pack coupler for camcorder with sliding lever
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Power supply : Flash or strobe)

Patent 5502367: Highway crossing control
(ELECTRICITY: MOTIVE POWER SYSTEMS : MOTOR-REVERSING : Periodic- or intermittent-reversing : With automatic starting and/or stopping)

Patent 5502368: Hybrid alternator with voltage regulator
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS : Voltage of generator or circuit supplied : Including an electrical condition)

Patent 5502369: Stabilized direct current power supply
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Linearly acting : Switched (e.g., on-off control))

Patent 5502370: Power factor control circuit having a boost current for increasing a speed of a voltage control loop and method therefor
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Switched (e.g., switching regulators) : With threshold detection : Including final control device parameter)

Patent 5502371: Storm monitor
(ELECTRICITY: MEASURING AND TESTING : TESTING POTENTIAL IN SPECIFIC ENVIRONMENT (E.G., LIGHTNING STROKE) : Superconductors)

Patent 5502372: Microstrip diagnostic probe for thick metal flared notch and ridged waveguide radiators
(ELECTRICITY: MEASURING AND TESTING : TESTING POTENTIAL IN SPECIFIC ENVIRONMENT (E.G., LIGHTNING STROKE) : Voltage probe : Mechanically actuated switch)

Patent 5502373: Magneto-optical current measurement apparatus
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Using radiant energy : Conductive field (e.g., mercury))

Patent 5502374: Current sensors
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : With coupling means (e.g., attenuator, shunt) : Transformer (e.g., split core admits conductor carrying unknown current) : Digital voltmeters)

Patent 5502375: Method and apparatus for determining orientation of polarized capacitors
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Nonquantitative (e.g., hot-line indicator, polarity tester) : Selective filter)

Patent 5502376: Apparatus for controlling the duty cycle of a pulse generator
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including speed-related frequency generator : With direction indicator)

Patent 5502377: Method and apparatus for measuring rotary movement of a shaft
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including speed-related frequency generator : Including radiant energy detector : Permanent magnet type)

Patent 5502378: Fluid particle sensor including a container, a first coil and a second coil disposed about a magnet located adjacent the container for
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Fluid material examination : Using thermionic emission)

Patent 5502379: Sensor for measuring the swing of a cable including a crown with permanent magnets secured to the cable
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Diverse sensors : Pulsating or alternating current or potential for the discharge control means)

Patent 5502380: Analog weighted binary absolute position encoder including an array of sense resistors each having material responsive to FWX and
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Magnetoresistive : Electrically energized)

Patent 5502381: Stress sensor using magnetostriction thin film
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Stress in material measurement : Approach or retreat)

Patent 5502382: Apparatus for magnetic inspection using magnetic shield, with specific relation of distance E between magnetic sensors and distance L between
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : Induced voltage-type sensor : Material flaw testing : Plural sensors : Differential bridge circuit)

Patent 5502383: Controller for Hall effect sensor using cyclically varying power
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetometers : Hall plate magnetometers : Plural sensors)

Patent 5502384: Image reconstruction method in nuclear magnetic resonance imaging apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5502385: Method of forming a series of MR images, and device for carrying out the method
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5502386: Pulsed low frequency EPR spectrometer and imager
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using an electron resonance spectrometer system : With sample resonant frequency and temperature interdependence)

Patent 5502387: Variable geometry MRI coil
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5502388: Method of measuring the pH value of a test solution with glass-electrode measuring cells and of simultaneously calibrating the measuring cells
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a pH determining device : Including probe structure)

Patent 5502389: Apparatus for polyelectrolyte measurement with an ultrasonically driven liner
(ELECTRICITY: MEASURING AND TESTING : A MATERIAL PROPERTY USING ELECTROSTATIC PHENOMENON : In a liquid : Which includes particular cell container structure)

Patent 5502390: Adiabatic conductor analyzer method and system
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : By spark or arc discharge)

Patent 5502391: Apparatus for measuring the crosstalk in a cable
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Parameter related to the reproduction or fidelity of a signal affected by a circuit under test : Shielding effectiveness (SE) : Circuit interference (e.g., crosstalk) measurement : Field effect transistor)

Patent 5502392: Methods for the measurement of the frequency dependent complex propagation matrix, impedance matrix and admittance matrix of coupled
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : Scattering type parameters (e.g., complex reflection coefficient) : Field effect transistor)

Patent 5502393: Densitometer using a microwave
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : Where energy is transmitted through a test substance : Field effect transistor)

Patent 5502394: Compact, portable device for measuring the reflection coefficient of a structure exposed to microwave radiation
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : Where energy is reflected (e.g., reflectometry) : To determine reflection coefficient : Differential bridge circuit)

Patent 5502395: Method for programming antifuses for reliable programmed links
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With voltage or current signal evaluation : Including a digital or logic circuit)

Patent 5502396: Measuring device with connection for a removable sensor
(CHEMISTRY: ELECTRICAL AND WAVE ENERGY : APPARATUS : Electrolytic : Analysis and testing : Biological material (e.g., microbe, enzyme, antigen, etc.) analyzed, tested, or included in apparatus : Disposable apparatus or apparatus having removable section (e.g., removable cartridge, etc.) : Transparent conductor)

Patent 5502397: Integrated circuit testing apparatus and method
(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 5502398: Semiconductor device burn-in apparatus
(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 5502399: Power semiconductor device with a gate withstand-voltage test terminal
(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 5502400: Logically configurable impedance matching input terminators for VLSI
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Bus or line termination (e.g., clamping, impedance matching, etc.) : With field effect-transistor)

Patent 5502401: Controllable width or gate
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Having details of setting or programming of interconnections or logic functions : With field effect-transistor)

Patent 5502402: FPGA architecture based on a single configurable logic module
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : With flip-flop or sequential device : With clocking)

Patent 5502403: High speed configuration independent programmable macrocell
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Sequential (i.e., finite state machine) or with flip-flop : Field effect transistor)

Patent 5502404: Gate array cell with predefined connection patterns
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Field-effect transistor : Complementary FET`s : Complementary FET`s)

Patent 5502405: Method and apparatus for CML/EC to CMOS/TTL translators
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Logic level shifting (i.e., interface between devices of different logic families) : Bi-CMOS : ECL to/from CMOS :)

Patent 5502406: Low power level shift circuit and method therefor
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Logic level shifting (i.e., interface between devices of different logic families) : Field-effect transistor (e.g., JFET, MOSFET, etc.) : ECL to/from TTL)

Patent 5502407: Low-power-dissipation CMOS circuits
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : CLOCKING OR SYNCHRONIZING OF LOGIC STAGES OR GATES : Field-effect transistor : Bipolar transistor)

Patent 5502408: Circuit for decoding 2T encoded binary signals
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Decoding : Complementary FET`s)

Patent 5502409: Clock switcher circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : Having selection between plural continuous waveforms : With logic or bistable circuit)

Patent 5502410: Circuit for providing a voltage ramp signal
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Generating sawtooth or triangular output : With amplitude control : With particular tube or distributed parameter element)

Patent 5502411: Frequency synthesizer
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With feedback : Phase lock loop : Phase lock loop)

Patent 5502412: Method and circuit for driving power transistors in a half bridge configuration from control signals referenced to any potential between
(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 5502413: Switchable constant gain summing circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : Combining of plural signals : Summing : Differential amplifier)

Patent 5502414: Circuit for delaying data latching from a precharged bus and method
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Field-effect transistor : Insulated gate FET (e.g., MOSFET, etc.) : Bi-CMOS)

Patent 5502415: Booster power generating 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 : Charge pump details : With emitter follower)

Patent 5502416: Adjustable reset threshold for an integrated regulator
(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 5502417: Input amplifier 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 : With emitter follower)

Patent 5502418: Voltage-controlled oscillating circuit
(OSCILLATORS : RING OSCILLATORS : Parallel connected)

Patent 5502419: Pulse width modulation signal generation and triangular wave signal generator for the same
(MODULATORS : PULSE OR INTERRUPTED CONTINUOUS WAVE MODULATOR : Pulse width modulator :)

Patent 5502420: Cascode VCO frequency modulator
(MODULATORS : FREQUENCY MODULATOR : Including discrete semiconductor device : With electron discharge device)

Patent 5502421: Variable attenuation microwave attenuator
(WAVE TRANSMISSION LINES AND NETWORKS : ATTENUATORS : Having negative impedance)

Patent 5502422: Filter with an adjustable shunt zero
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Coaxial : Tunable : Monolithic structure)

Patent 5502423: Discharge lamp lighting device
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Circuit interrupter in the inductance circuit)

Patent 5502424: Method of magnetizing rotary machine field core unit
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : For magnetizing or demagnetizing : Coil shape, structure or material)

Patent 5502425: Magnetic energy reinforcing device
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Permanent magnets : With flux leakage-reducing means : With outer casing or housing)

Patent 5502426: Protection switch device
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : With adjustable, replaceable or interchangeable structural features : By reciprocating armature)

Patent 5502427: Fuse assembly with low exhaust and replaceable cartridge
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Cutout or disconnect type (an assembly) of a fuse support and fuse holder with or without a fuse link) : With dropout features (i.e., the fuse tube will be separated, or drop away from, at least on the main circuit contacts) : With holding, latch or trip means : Fusible element controlled : With common trip-bar means)

Patent 5502428: Circuit breaker with one-piece crossbar including an integrally molded operating arm
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Tripping means : Including spring-biasing or energy-storage means)

Patent 5502429: Inductive device comprising connection members
(INDUCTOR DEVICES : WINDING WITH TERMINALS, TAPS, OR COIL CONDUCTOR END ANCHORING MEANS : Basket weave (single layer))

Patent 5502430: Flat transformer and power supply unit having flat transformer
(INDUCTOR DEVICES : COILS OF SPECIAL CONFIGURATION : Planar type : Coils of different windings interposed)

Patent 5502431: Integrated circuit device
(ELECTRICAL RESISTORS : WITH BASE EXTENDING ALONG RESISTANCE ELEMENT : Resistance element coated on base : Element extends in or through openings or grooves in frame or support)

Patent 5502432: Apparatus and method of warning rear-end collision
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of collision or contact with external object : Including keyless entry)

Patent 5502433: Method and device for detecting hydroplaning conditions for vehicle tires
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Curb)

Patent 5502434: Smoke sensor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Particle suspension in fluid : Smoke : Photoelectric : Pivoted arm)

Patent 5502435: Method and system for monitoring circuit breaker gas pressure
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Gas : Lubricant)

Patent 5502436: Method of identifying a signal path and signal processing apparatus
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Audio system (e.g., by pulse signal) : Of audio system)

Patent 5502437: Receiver isolation scheme
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Power control or battery saving : Time based : Received signal includes power command)

Patent 5502438: Address management for remote terminals in digital loop transmission systems
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Addressing : Designated priority)

Patent 5502439: Method for compression of binary data
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Adaptive coding : Pressure sensitive actuation)

Patent 5502440: Structure and method for performing analog to digital conversion
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Intermediate conversion to frequency or number of pulses : With rollover feature (i.e., antidoublestrike))

Patent 5502441: Analog switched-capacitor vector quantizer
(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 5502442: Method of forming a durable wideband anti-reflection coating for infrared windows
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADIO WAVE ABSORBER : For aircraft or missile :)

Patent 5502443: Transponder for interactive data exchange between individually user-controlled computer-steered systems
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Specified housing)

Patent 5502444: Method and apparatus for improving the signal-to-clutter ratio of an airborne earth penetrating radar
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : TRANSMISSION THROUGH MEDIA OTHER THAN AIR OR FREE SPACE : Detection of surveilance)

Patent 5502445: System and method for remote identification of coded articles and the like
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Radar transponder only : Distance measuring equipment (DME))

Patent 5502446: GPS-based automatic target reporting and finding network and components
(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 5502447: Beam sharpened pencil beam antenna systems
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a matrix : Controlled)

Patent 5502448: Method and means for short pulse interference rejection
(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 5502449: Ground unit for the detection, identification, and direction determination of a marker beacon
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : Direction-finding receiver only : Fixed course or bearing indicating)

Patent 5502450: Single antenna direction-finding system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : By computer : Having a moving antenna)

Patent 5502451: Patch antenna with magnetically controllable radiation polarization
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)

Patent 5502452: Universal mounting system for mobile telecommunications antennas
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body : Rod type :)

Patent 5502453: Planar antenna having polarizer for converting linear polarized waves into circular polarized waves
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With polarization filter or converter : With reflector)

Patent 5502454: Electrical conducting sheel structure for coaxial collinear array antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Active sleeve surrounds feed line : With coaxial active rod : With main and subreflector (Casse-grain type))

Patent 5502455: Method and appartus for producing a symbology display into a night vision system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Plural image superposition : Number of pixels per row or column conversion (i.e., resolution conversion))

Patent 5502456: Display apparatus for vehicles
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Plural image superposition : Number of pixels per row or column conversion (i.e., resolution conversion))

Patent 5502457: Fiber optic face plate for a seamless modular 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) : Light-controlling display elements : Liquid crystal display elements (LCD) : Resistor-diode arrangement)

Patent 5502458: Method and apparatus for creating and displaying faithfull color images on a computer display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Color selection :)

Patent 5502459: Optical auxiliary input arrangement and method of using same
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Including orientation sensors (e.g., infrared, ultrasonic, remotely controlled) : Scaling)

Patent 5502460: Ergonomic laptop computer and ergonomic keyboard
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Trackball)

Patent 5502461: Hand written character input system/allowing change of size of character writing frames
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Having programmable function key)

Patent 5502462: Display list management mechanism for real-time control of by-the-line modifiable video display system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Display list memory : Character memory)

Patent 5502463: Message card
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Addressing)

Patent 5502464: Fixater and recording apparatus using the same
(RECORDERS : COMBINED WITH OTHER NON-RECORDING DEVICES : Speed indicator or alarm)

Patent 5502465: Image reading and recording apparatus using a stimulable phosphor sheet and a thermosensitive recording medium
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : With record receiver or handling means therefor : Housing or mounting)

Patent 5502466: Doppler velocimeter and position information detection apparatus for use with objects having variations in surface depth
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Displacement or distance : Having wavefront division (e.g., by diffraction) : Having wavefront division (e.g., by diffraction))

Patent 5502467: Ink jet printhead with ink viscosity control
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of fluid (e.g., ink flow rate, viscosity, etc.) :)

Patent 5502468: Ink jet print head drive with normalization
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Measuring and testing (e.g., diagnostics) : With particular cooling means)

Patent 5502469: Ink jet recording apparatus with detection of rate of temperature
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Responsive to condition : Full-line array)

Patent 5502470: Ink jet recording head and process for producing the same
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Discharge means : Surface treated : Movement)

Patent 5502471: System for an electrothermal ink jet print head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Composite ejector : Flow path : Integrated)

Patent 5502472: Droplet jet apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With piezoelectric force ejection : Shear mode : Flow path)

Patent 5502473: Ink jet head with ink cavity resonance
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Continuous stream (includes dispersion) : With piezoelectric force ejection)

Patent 5502474: Print pulse phase control
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Continuous stream (includes dispersion) : With individual drop generation and/or control : Drop generation means : Plural piezoelectric laminate)

Patent 5502475: Ink jet recording apparatus provided with fixating means
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Medium and processing means : Drying or curing : Ink)

Patent 5502476: Method and apparatus for controlling phase-change ink temperature during a transfer printing process
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Medium and processing means : Transfer of fluid to another record medium : Ink)

Patent 5502477: Thermal transfer type color printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Multicolor : Single-head type (e.g., multipass) : Having single layer colored transfer material : Fixing or fusing)

Patent 5502478: LED electrophotographic printer having LED array and coordinated parallel drive of LED subarrays
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Driving circuitry : Including switching means)

Patent 5502479: Ink jet cartridge and ink jet apparatus having same
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : With fluid treatment (e.g., filtering) : With recirculation)

Patent 5502480: Three-dimensional vision camera
(TELEVISION : STEREOSCOPIC : Picture signal generator : Hue expander)

Patent 5502481: Desktop-based projection display system for stereoscopic viewing of displayed imagery over a wide field of view
(TELEVISION : STEREOSCOPIC : Stereoscopic display device : Single camera from multiple positions)

Patent 5502482: Derivation of studio camera position and motion from the camera image
(TELEVISION : SPECIAL APPLICATIONS : Object or scene measurement : Distance by apparent target size (e.g., stadia, etc.) : Including line to line comparison)

Patent 5502483: Video camera apparatus
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Camera image stabilization : Combined with other camera operations (e.g., autofocus or autoexposure details) : Motion correction plus resolution enhancement : Optics, lens shifting)

Patent 5502484: Video camera and video signal reproducing apparatus with shake detection and correction operation
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Camera image stabilization : Motion correction : Electrical (memory shifting, electronic zoom, etc.) : Motion detection)

Patent 5502485: Camera which compresses digital image data in correspondence with the focus control or the stop value of the camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : With details of static memory for output image (e.g., for a still camera) : Storage of additional data : Processing or camera details :)

Patent 5502486: Image sensing apparatus which can detect optical characteristics of an image to control title insertion
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Camera and video special effects (e.g., subtitling, fading, or merging) : Using distinct luminance image sensor)

Patent 5502487: Character signal display for a camcorder using existent synchronization signals for character display
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Camera and video special effects (e.g., subtitling, fading, or merging) : Using distinct luminance image sensor)

Patent 5502488: Solid-state imaging device having a low impedance structure
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : With amplifier : In charge coupled type image sensor)

Patent 5502489: Method for the motion adaptive spatial filtering of video signals in an image coding apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Specified color (e.g., saturation and contrast control))

Patent 5502490: Display unit having a light-to-light conversion element
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)

Patent 5502491: Orthogonal transform coding apparatus and decoding apparatus
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Transform : Discrete cosine : Half-pixel refinement)

Patent 5502492: Motion vector detection apparatus
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Plural : Subband coding)

Patent 5502493: Variable length data decoder for use with MPEG encoded video data
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Associated signal processing : Discrete cosine)

Patent 5502494: Management of channel buffer in video decoders
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Specific decompression process : Discrete cosine)

Patent 5502495: Image processing capable of providing higher resolution in low-density regions
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Signal enhancing : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5502496: Apparatus for providing audible instructions or status information for use in a digital television system
(TELEVISION : NONPICTORIAL DATA PACKET IN TELEVISION FORMAT : Audio : Frequency change of subcarrier)

Patent 5502497: Television broadcasting method and system enabling picture broadcasting from the transmitting equipment to the receiving equipment using
(TELEVISION : FORMAT : Including additional information : Pulse code modulation)

Patent 5502498: Clamp signal generation-control circuit and a method therefor
(TELEVISION : SYNCHRONIZATION : Specified color)

Patent 5502499: Synchronizing waveform generator
(TELEVISION : SYNCHRONIZATION : Sync generation : With addressable memory : Color television)

Patent 5502500: Circuit for extracting a synchronization signal from a composite video signal, in MOS technology
(TELEVISION : SYNCHRONIZATION : Sync separation : With counter or frequency divider)

Patent 5502501: Field type detector for video signal
(TELEVISION : SYNCHRONIZATION : Sync separation : Field or frame identification : Color television)

Patent 5502502: PLL-based method and apparatus for generating video drive signals from various sync formats
(TELEVISION : SYNCHRONIZATION : Automatic phase or frequency control : Horizontal sync component : Countdown : Locking rates)

Patent 5502503: Digital color TV for personal computers
(TELEVISION : COMBINED WITH DIVERSE ART DEVICE (E.G., COMPUTER, TELEPHONE) : Of mechanical scan)

Patent 5502504: Video mix program guide
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : OPERATOR INTERFACE : To facilitate tuning or selection of video signal : Electronic program guide : Content arrangement : User customization of display content :)

Patent 5502505: Special effect video apparatus for achieving extended dimming and fading effects
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Specified details of key signal generation or processing : Artificial key generation : Fades signal generator :)

Patent 5502506: Apparatus for equalizing television signals with fast convergence
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Specified color (e.g., saturation and contrast control))

Patent 5502507: Equalization apparatus with fast coefficient updating operation
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Specified color (e.g., saturation and contrast control))

Patent 5502508: Gradation compensating apparatus for a video signal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Hue control : Fleshtone corrector (e.g., fixed) : Picture responsive (e.g., overload))

Patent 5502509: Chrominance-luminance separation method and filter performing selective spatial filter based on detected spatial correlation
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Including comb filter (e.g., using line, field, frame delays) : Adaptive comb filter : Selects or blends two or more separated signals to derive output : Including frame or field delays (e.g., motion adaptive) :)

Patent 5502510: Method for temporal filtering of video signals using a motion adaptive spatial filter
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Motion dependent key signal generation or scene change detection : Specified processing of frame or field difference signal (e.g., noise reduction, key signal spreading) : Level derived within feedback path)

Patent 5502511: Method and apparatus for controlling expanded sweeps
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Sweep expansion or reduction : Composite color signal)

Patent 5502512: Apparatus and method for digital video and audio processing a plurality of pictures and sounds
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Switching : receiver type : Level derived within feedback path)

Patent 5502513: Three wire television remote control operable with key closures or data pulses
(TELEVISION : RECEIVER CIRCUITRY : Remote control : Tuning voltage)

Patent 5502514: Stylus position sensing and digital camera with a digital micromirror device
(TELEVISION : VIDEO DISPLAY : Projection device : Single light modulator : Deformable medium : Including solid-state deflection elements (e.g., deformable mirror device (DMD)) : Fluid)

Patent 5502515: Diving mask
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Floating or underwater type : For contact lens fitting)

Patent 5502516: Disposable/reusable sun filter
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : With antiglare or shading : Removable and/or adjustable filters or screens (e.g., clip-on type) : Having support or cabinet)

Patent 5502517: Soft contact lens with a back surface whose central and intermediate portions are formed by different ellipsoidal surfaces continuously
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Eye contact type : Hydrophilic : Spring between lens and strap)

Patent 5502518: Asymmetric aspheric contact lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Eye contact type : With clamping arms)

Patent 5502519: Optometric apparatus
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : For interpupillary distance measuring or lens positioning : Of abnormal muscular functioning)

Patent 5502520: Method and apparatus for detecting eye disorders
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including eye photography :)

Patent 5502521: Ophthalmometric apparatus
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including illuminator : On rotary disc)

Patent 5502522: Compact magnetic head for a photographic camera
(PHOTOGRAPHY : WITH DATA RECORDING : Magnetically on film or film cassette : Segmented alphanumeric indicia)

Patent 5502523: Inverted Galilean finder for camera
(PHOTOGRAPHY : WITH VIEWFINDER : Rear plates replaceable)

Patent 5502524: Aperture/shutter mechanism with damping member
(PHOTOGRAPHY : CAMERA DETAIL : Diaphragm shutter unit : Shutter charging lever on lens housing)

Patent 5502525: Shutter blades for increasing uniformity of oblique incident light
(PHOTOGRAPHY : CAMERA DETAIL : Diaphragm shutter unit : Sliding plate : Having actual or simulated handheld weapon structure)

Patent 5502526: Camera
(PHOTOGRAPHY : CAMERA DETAIL : Body structure or housing : Threaded mount)

Patent 5502527: Camera capable of magnetic recording
(PHOTOGRAPHY : WITH DATA RECORDING : Magnetically on film or film cassette : Segmented alphanumeric indicia)

Patent 5502528: Magnetics-on-film image area recording head and interface
(PHOTOGRAPHY : WITH DATA RECORDING : Magnetically on film or film cassette : Segmented alphanumeric indicia)

Patent 5502529: Method of recycling single-use camera
(PHOTOGRAPHY : DISPOSABLE OR RECYCLABLE CAMERA : Object support)

Patent 5502530: Camera using single motor to drive a flash illumination-angle varying mechanism and other camera operations
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Variable illumination angle : Diaphragm function only)

Patent 5502531: Camera with exposure counting mechanism
(PHOTOGRAPHY : HAVING CAMERA INDICATOR : Film condition indicator : Electro-optical element)

Patent 5502532: Method and system for processing film by speed and activating agent concentration temperature control
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Heating, cooling, or temperature detecting : Thermal developing, controlling temperature of photographic medium or controlling of developing amount : Rotary)

Patent 5502533: Filter for photothermographic developer
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having fluid filter : Fixed carrier)

Patent 5502534: Automated photo developing machine
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Heating, cooling, or temperature detecting : Transmittivity/reflectivity of photographic medium sensing)

Patent 5502535: Method and apparatus for processing photosensitive sheet material
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having fluid-circulating means : Plural stations)

Patent 5502536: Electrically powered camera
(PHOTOGRAPHY : CAMERA SHAKE SENSING : Having stabilization system : And means to move film)

Patent 5502537: Focus adjustment device having predictive function
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having pursuit mode : With mechanical rangefinder)

Patent 5502538: Focus detection device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having accumulation photoarray and time control means : With mechanical rangefinder)

Patent 5502539: Camera capable of controlling a supply of power and related control method
(PHOTOGRAPHY : WITH POWER SUPPLY DETAIL : Manual data entry using peripheral device)

Patent 5502540: Printing/developing apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Stereoscopic : Having document handling detection)

Patent 5502541: Photographic printer and method for automatically detecting panoramic format image frames
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Multicolor picture : Regulating light intensity or exposure time : Including :)

Patent 5502542: Image-forming apparatus with an exposure-light intensity adjusting function for a two-sided original
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Electricity to lamp controlled : Vertical optical path)

Patent 5502543: System for collecting statistical data on remotely monitored machines
(ELECTROPHOTOGRAPHY : REMOTE MONITORING : With diverse image formation)

Patent 5502544: Parameter based digital servo controller
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Of plural processes : Single detector for plural toners)

Patent 5502545: Jam processing device suitable for use in an image forming apparatus
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Jam : Purge)

Patent 5502546: Image fixing heater having standby temperature control
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Having temperature or humidity detection : Single detector for plural toners)

Patent 5502547: Sealing device, process cartridge, image forming apparatus and assembling method of the process cartridge
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Seal : Transfer member)

Patent 5502548: Contact-type charging member which includes an insulating metal oxide in a surface layer thereof
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Seal)

Patent 5502549: Electrically biased toner filtration
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Photoconductive member)

Patent 5502550: Image forming apparatus and method
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Densitometer detail : Temperature control)

Patent 5502551: Toning shoe employing a bifurcated return port
(ELECTROPHOTOGRAPHY : MISCELLANEOUS : Copy)

Patent 5502552: Developing device for an image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Light source)

Patent 5502553: Developing device
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Developer seal)

Patent 5502554: Image transferring unit of non-contact type roller method
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Color : From multiple positions : Having electrode)

Patent 5502555: Printing system having an image characteristics automatic method and apparatus for copy sheet reselection
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : To produce microimage : Of residual toner)

Patent 5502556: Automatic document feeding apparatus for feeding two-sided documents
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Original : Automatic document feeder : Copying both sides of original : Coordinated with sheet movement)

Patent 5502557: Image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Photoconductive member : To produce outline image)

Patent 5502558: Laser doppler velocimeter
(OPTICS: MEASURING AND TESTING : VELOCITY OR VELOCITY/HEIGHT MEASURING : With light detector (e.g., photocell) : Of light interference (e.g., interferometer) : With displaced images)

Patent 5502559: Apparatus and method for detection of material used in construction of containers and color of same
(OPTICS: MEASURING AND TESTING : PLURAL TEST : Lamp attachments)

Patent 5502560: Analytical sensor using grating light reflection spectroscopy
(OPTICS: MEASURING AND TESTING : REFRACTION TESTING (E.G., REFRACTOMETERS) : Optical center, cylinder axis, or prism measuring or determining)

Patent 5502561: Characterization of particles by modulated dynamic light scattering
(OPTICS: MEASURING AND TESTING : FOR SIZE OF PARTICLES : By particle light scattering : Having adjustable color or bandwidth)

Patent 5502562: Method and apparatus for absolute interferometry using a measurement beam and a reference beam having parallel wave fronts and sharing a
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having light beams of different frequencies (e.g., heterodyning) : For dimensional measurement (e.g., thickness gap, alignment, profile) : Displacement or distance : Including an alternating reference path)

Patent 5502563: Transporter for optical spectrum analyzer in alignment system
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Gap : Fabry-Perot type : Having wavefront division (e.g., by diffraction))

Patent 5502564: Substrate thickness measurement using oblique incidence multispectral interferometry
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Thickness : Surface displacement due to acoustic wave propagation))

Patent 5502565: Method and apparatus for measuring the flying height of a magnetic head above a disk surface at three wavelengths
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Gap : Between slider/disc (e.g., flying height) : Having wavefront division (e.g., by diffraction))

Patent 5502566: Method and apparatus for absolute optical measurement of entire surfaces of flats
(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 5502567: Micropolarimeter, microsensor system and method of characterizing thin films
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : With polariscopes : Including polarimeters : Step height (differential, between points))

Patent 5502568: Optical position detecting unit, optical coordinate input unit and optical position detecting method employing a pattern having a sequence
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Position transverse to viewing axis : Special mark or target on object : Moire)

Patent 5502569: Apparatus and method for recording digital video signals
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Compressing when recording or decompressing when reproducing : Separately recorded)

Patent 5502570: Images reproducing method capable of skipping reproduction of collateral information during reproduction in a special mode
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Digital technique)

Patent 5502571: Device for processing digital signals first coded by means of variable length coding and device for inversely processing signals thus processed
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Compressing in recording or decompressing in reproducing : Digital compressing : Including television camera)

Patent 5502572: Variable speed video signal reproducing apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Synchronization signal modification : Disc)

Patent 5502573: Apparatus for reproducing and decoding multiplexed data from a record medium with means for controlling data decoding as a function of
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having time code for addressing signal : Having auxiliary dynamic memory means)

Patent 5502574: Facsimile apparatus which can avoid unwanted interline breaks in output
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific image-processing circuitry)

Patent 5502575: Imaging apparatus having a counterfeiting prevention function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Image transmission accuracy verification : Composite image)

Patent 5502576: Method and apparatus for the transmission, storage, and retrieval of documents in an electronic domain
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Memory interface : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5502577: Paper user interface for image manipulations such as cut and paste
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Facsimile control unit : Picture signal thresholding)

Patent 5502578: Optical scanner having a variable resolution
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Picture signal thresholding)

Patent 5502579: Color image processing method and apparatus capable of adjusting the UCR ratio
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)

Patent 5502580: Color reproduction system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)

Patent 5502581: Hologram manufacturing method and apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using modulated or plural reference beams : Having nonplanar recording medium surface)

Patent 5502582: Light source cooler for LCD monitor
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Particular illumination : With integral optical element for guiding or distributing light from the light source : Laser links)

Patent 5502583: Liquid crystal display device capable of compensating for a positioning error between a drain line and a display electrode
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With particular switching device : Transistor : With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure)

Patent 5502584: Process for producing ferroelectric liquid crystal device
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL : Utilizing change between diverse phases (e.g., cholesteric to nematic) : Nonchiral additive in the liquid crystal material)

Patent 5502585: Optical transistor
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL COMPUTING WITHOUT DIFFRACTION : Logic gate : Real image)

Patent 5502586: Optical network including branch points featuring three interconnected bidirectional optical waveguides having free ends with reflectionless
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Power)

Patent 5502587: Network comprising a space division photonic switch and a terminal which forms an output signal from an input signal
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical local area network (LAN) : space)

Patent 5502588: Optical transmission process and system for sending solitons over very long distances
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Including optical waveguide : Soliton : Redundant fibers)

Patent 5502589: Optical communication systems and optical nodes for use therein
(OPTICAL COMMUNICATIONS : OPTICAL REPEATER SYSTEM : Specific optical elements : Soliton)

Patent 5502590: Harmonic wave generating element for coherent light having short wavelength
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Dielectric optical waveguide type : Third harmonic)

Patent 5502591: Optical amplifier with a doped fluoride glass of optical fibre and process for producing said amplifier
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Correction of deleterious effects : Additional dopant or host composition : Interferometer or interference)

Patent 5502592: Wide-aperture infrared lenses with hyper-hemispherical fields of view
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Lens, lens system or component : Regenerative)

Patent 5502593: Compact pavement marker
(OPTICAL: SYSTEMS AND ELEMENTS : SIGNAL REFLECTOR : Discrete reflecting elements formed as a unitary mass : Mounted on or adjacent roadway : Including a threaded member)

Patent 5502594: Zoom lens incorporating vibration-proofing function
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : By movable refractive structure : Having plural reflecting surfaces)

Patent 5502595: Color filters and their preparation
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT INTERFERENCE : Produced by coating or lamina : Selective wavelength transmission or reflection : Filter having four or more layers)

Patent 5502596: Immersion microscope objective
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Microscope objective : Having seven components : In a variable media (e.g., gas, elastomer, etc.))

Patent 5502597: Wide-angle photographic lens system and a photographic camera
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Multiple component lenses : Two components : + + + Arrangement)

Patent 5502598: Lens frame supporting mechanism
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens movable in its plane : Electromagnetic motive power : With third component biconvex)

Patent 5502599: Conductive connector for camera system components
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Detachably attached (e.g., plate, barrel, etc.) : With axial adjustment (e.g., adjustable focus, etc.))

 

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