Patents 5220222 - 5220479

 

 

Patent 5220222: Magnetic bushings for an optical access actuator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Piezoelectric element shape)

Patent 5220223: Dynamoelectric machine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Solenoid and core type : Sphere or hemisphere)

Patent 5220224: Stepper motor with integrated assembly
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Magnetic motors : Step-by-step : Successively energized solenoid coils)

Patent 5220225: Integrated electric motor driven inline hydraulic apparatus
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Mechanical shields or protectors : Submersible : Impulse coupling)

Patent 5220226: Electric motor with modularized apparatus platform
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Mechanical shields or protectors : Housings, windows or covers : Impulse coupling)

Patent 5220227: Rotor magnet of motor and having improved magnetizing pattern and method of magnetizing the same
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Permanent magnet machines : Permanent magnet rotor : Specific shape : Specific magnetization : With single stator and plural sets of rotating magnets)

Patent 5220228: Rotating electric machine with bevelled armature poles
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Stator structure : Fixed structure)

Patent 5220229: Electrical machine in which clamping parts are inserted between pole bodies and winding coils
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Stator structure : Frame and core type : End turn supports : With composition feature)

Patent 5220230: Surface acoustic wave device
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Surface acoustic wave devices : Interdigitated electrodes : Grating or reflector in wave path :)

Patent 5220231: Integral motor propulsor unit for water vehicles
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Housings, windows or covers)

Patent 5220232: Stacked magnet superconducting bearing
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Magnetic bearing : Impulse coupling)

Patent 5220233: Dynamoelectric machines
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Permanent magnet machines : Permanent magnet rotor : Mounting (such as on a surface of a shaft) : Sleeve covering magnet face : Spring mounted flux shunt)

Patent 5220234: Shear transverse wave device having selective trapping of wave energy
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Surface acoustic wave devices : Interdigitated electrodes : Grating or reflector in wave path :)

Patent 5220235: Discharge lamp device
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH TEMPERATURE MODIFIER : Double wall, jacket or casing for envelope : Sealed casing for envelope : Flow directing means in casing)

Patent 5220236: Geometry enhanced optical output for RF excited fluorescent lights
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH TEMPERATURE MODIFIER : Double wall, jacket or casing for envelope : Sealed casing for envelope : Integral double wall type of envelope :)

Patent 5220237: Metal halide lamp apparatus
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE : Reflector : With integrant display electrode)

Patent 5220238: Cathode structure for an electron tube and method of constructing it
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH SUPPORT AND/OR SPACING STRUCTURE FOR ELECTRODE AND/OR SHIELD : For indirectly heated cathode : Insulating spacer between discharge electrodes)

Patent 5220239: High density electron beam generated by low voltage limiting aperture gun
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Plural beam generating or control : With focusing and accelerating electrodes : With studs)

Patent 5220240: Planar display apparatus
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : Flat tube type : Including non-planar elements)

Patent 5220241: Deflection yoke having horizontal auxiliary coils for reducing unnecessary radiant magnetic field
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : With yoke : Electrostatic)

Patent 5220242: Cathode-ray tube with a coil-shaped high resistance body
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Envelope : Coating or shielding : Light conducting fiber or rod)

Patent 5220243: Moisture insensitive zinc sulfide electroluminescent materials and an electroluminescent device made therefrom
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Solid-state type : With phosphor embedding material : Light conversion)

Patent 5220244: Metal halide discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Having specified electrode spacing : With positive ion or cathode shield)

Patent 5220245: Lighting system for motor-driven vehicle
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : SPECIAL APPLICATION : Vehicle : Head light systems : Steering mechanism controlled)

Patent 5220246: Method and apparatus for transmitting information using arc
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Valve controlled)

Patent 5220247: Circuit for driving a gas discharge lamp load
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Flashers)

Patent 5220248: Fluorescent-lamp protection device in an electronic instant starter assembly
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CONDENSER IN THE SUPPLY CIRCUIT : Electric switch in the condenser circuit : Condenser in the control circuit)

Patent 5220249: Flat type fluorescent lamp and method of lighting
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Arc machining)

Patent 5220250: Fluorescent lamp lighting arrangement for "smart" buildings
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Automatic regulation : Plural field-type generator)

Patent 5220251: Horizontal scan modulator having size selection
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : With ray deflection distortion correction or reduction : By modulation of deflection waveform : Adjacent to or integral with deflection winding or housing structure therefor)

Patent 5220252: Focus voltage correction circuit for cathode ray tubes
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : With additional control of cathode ray : With focusing of ray : Circuits control grid-cathode circuit of tube)

Patent 5220253: Service switch for video display deflection apparatus
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Plural potentials or currents applied to deflection member : With cathode-ray centering : Coil-type circuit)

Patent 5220254: Anti-roll television vertical deflection system
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Deflection coil circuit : Including an amplifier : Coil-type circuit)

Patent 5220255: Interface for interconnecting a thermostat and an electronically commutated motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 5220257: Motor torque control circuit with barking control and motor drive system using the same
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 5220258: Drive circuit for a brushless direct-current motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 5220259: DC motor drive system and method
(ELECTRICITY: MOTIVE POWER SYSTEMS : CONSTANT MOTOR CURRENT, LOAD AND/OR TORQUE CONTROL : Initial, "cracking" or "starting from rest" torque control)

Patent 5220260: Actuator having electronically controllable tactile responsiveness
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Adaptive or optimizing systems including "bang-bang" servos : Mechanical gearing)

Patent 5220261: Method of calibrating highly precise robots
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Maneuver, force, or load-limiting)

Patent 5220262: Method and apparatus for reducing cross-coupled movement through the structural dynamics of a computer numerically controlled machine
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Digital or numerical systems : Multifunction manipulator (i.e., Robot))

Patent 5220263: Charging control system for moving robot system
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Vehicular guidance systems with single axis control : Land vehicles : Multiple pass systems)

Patent 5220264: Control system for an AC servomotor having a permanent magnet type
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Pulse-width modulated power input to motor (e.g., "duty cycle" systems) : Slewing systems)

Patent 5220265: Discrete-type repetitive control method and an apparatus therefor
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : "Reset" systems (P.I.) : With rate (P. I. D.) (e.g., reset windup prevention) : Synchro or resolver (e.g., transmitter simulators))

Patent 5220266: Motor speed controlling device capable of correcting for speed detection error caused by change of duty ratio of photocoupler output pulses
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Responsive to motor condition : Responsive to speed or rotation phase angle : Phase splitting using stator winding mutual inductance or saturable winding)

Patent 5220268: Battery charging system and connection apparatus therefore
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Vehicle battery charging)

Patent 5220269: Power supply unit
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : For battery pack : Employing "jumper" cable)

Patent 5220270: Battery charging device with secured contact unit
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Vehicle battery charging)

Patent 5220271: Cross regulator for a multiple output power supply
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Including pre or post regulation : With electronic tube or a three or more terminal semiconductive device in control circuit)

Patent 5220272: Switching regulator with asymmetrical feedback amplifier and method
(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 reference voltage circuitry)

Patent 5220273: Reference voltage circuit with positive temperature compensation
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : To derive a voltage reference (e.g., band gap regulator) : Including a ferrocapacitor across a tertiary winding)

Patent 5220274: Surface mounted electrical switch and probe structure
(ELECTRICITY: MEASURING AND TESTING : TESTING POTENTIAL IN SPECIFIC ENVIRONMENT (E.G., LIGHTNING STROKE) : Voltage probe : Mechanically actuated switch)

Patent 5220275: Accumulator phase digitizer
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Phase comparison (e.g., between cyclic pulse voltage and sinusoidal current, etc.) : Digital output : Deviation measurement)

Patent 5220276: Crest factor measurement device
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Demand, excess, maximum or minimum (e.g., separate meters for positive and negative power, peak voltmeter) : Peak voltmeters : Digital voltmeters)

Patent 5220277: Arrangement for testing semiconductor wafers or the like
(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 5220278: Fixing card for use with high frequency
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Contact confirmation : Of reflected test signal)

Patent 5220279: Probe apparatus
(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 5220280: Method and an apparatus for testing the assembly of a plurality of electrical components on a substrate
(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 5220281: Boundary scan cell for bi-directional input/output terminals
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Scan path testing (e.g., level sensitive scan design (LSSD)) : Boundary scan : Bus or I/O channel device fault)

Patent 5220282: Circuit arrangement for improving resolution of a sensor for determining angular position of a rotating member
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Compensation for measurement : With axially arranged electrodes)

Patent 5220283: Calibration of streaming current detection
(ELECTRICITY: MEASURING AND TESTING : A MATERIAL PROPERTY USING ELECTROSTATIC PHENOMENON : In a liquid : Which includes particular cell container structure)

Patent 5220284: Method and device for measuring the concentration of particles in a gas by ionization of the particles
(ELECTRICITY: MEASURING AND TESTING : USING IONIZATION EFFECTS : For analysis of gas, vapor, or particles of matter : Using a magnetic field)

Patent 5220285: System for testing the electrical continuity and insulation of the electrical conductors of a portion of wiring
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Multiconductor cable : With sequencer : Field effect transistor)

Patent 5220286: Single ended to fully differential converters
(AMPLIFIERS : WITH PERIODIC SWITCHING INPUT-OUTPUT (E.G., FOR DRIFT CORRECTION) : Phonon type (e.g., ultrasonic wave propagating device))

Patent 5220287: Voice processing apparatus
(AMPLIFIERS : WITH CONTROL OF POWER SUPPLY OR BIAS VOLTAGE : With control of input electrode or gain control electrode bias : Frequency selective means to select control signal from amplifier channel : A feedback to input of a prior stage)

Patent 5220288: Continuous-time differential amplifier with low offset voltage
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having push-pull amplifier stage :)

Patent 5220289: Differential amplifier circuit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having current mirror amplifier :)

Patent 5220290: Power amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including gain control means : And significant control voltage developing means : To eliminate crossover distortion)

Patent 5220291: Complementary transistor oscillator
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Use of complimentary-type transistors : Distributed parameter resonator transistor oscillators)

Patent 5220292: Microwave oscillator with noise degeneration feedback circuit
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS :)

Patent 5220293: High reliability phase-locked loop
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Amplitude compensation : Motor control of oscillator)

Patent 5220294: Phase-locked loop circuit
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Particular error voltage control (e.g., intergrating network) : Motor control of oscillator)

Patent 5220295: Method and apparatus for detecting and correcting loss of frequency lock in a phase locked dual clock system
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : With reference oscillator or source : Signal or phase comparator : With motor comparator)

Patent 5220296: Coupler for electrical waveguides and mechanical waveguides
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Fluid-cooling)

Patent 5220297: Transmission line transformer device
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : With impedance matching : Control of delay with semiconductive means)

Patent 5220298: Integrated circuit having a built-in noise filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : Having significant physical structure : Monolithic structure)

Patent 5220300: Resonator filters with wide stopbands
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Waveguide : Including evanescent guide sections : Monolithic structure)

Patent 5220301: Solenoid winding case and protective overmold and method of making
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With casing or enclosure : Pivot support type armature-mounting means)

Patent 5220302: NMR clinical chemistry analyzer and method of forming a shield
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : With electric- or magnetic-shielding means : With cooling means)

Patent 5220303: Molded case circuit breaker low friction latch assembly
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Latching means : With unitary or common magnetic flux source)

Patent 5220304: Safety insulated transformers
(INDUCTOR DEVICES : WINDING WITH TERMINALS, TAPS, OR COIL CONDUCTOR END ANCHORING MEANS : Basket weave (single layer))

Patent 5220305: Semiconductor pressure sensor
(ELECTRICAL RESISTORS : STRAIN GAUGE TYPE : With temperature compensation :)

Patent 5220306: Digital signal comparator for comparing n-bit binary signals
(COMMUNICATIONS: ELECTRICAL : DIGITAL COMPARATOR SYSTEMS : Electromagnetically actuated mechanical signal)

Patent 5220307: Warning system distinguishing wheel skidding and wheel slipping
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Operation efficiency (e.g., engine performance, driver habits) : Accessory (e.g., speaker, radio face plate, etc.))

Patent 5220308: Joint excursion monitor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Posture alarm : Specified device housing or attachment means)

Patent 5220309: Goalpost mounted alarm device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))

Patent 5220310: Liquid level detector which overcomes hysterisis in the detector element
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Material level : Liquid : Float sensor : Vertically reciprocable :)

Patent 5220311: Direction indicating fault indicators
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Undesired circuit ground or short : Thermal or magnetic current sensors)

Patent 5220312: Pixel protection mechanism for mixed graphics/video display adaptors
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Logical operations : Mask data operation : Multiple planes)

Patent 5220313: Device for driving a liquid crystal 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) : Specific display element control means (e.g., latches, memories, logic) : Ferroelectric liquid crystal elements)

Patent 5220314: Liquid crystal display apparatus and method of performing liquid crystal 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) : Color : Including transformer)

Patent 5220315: Power source for dot matrix LCD
(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 : Redundancy (e.g., plural control elements or electrodes) : Smooth or continuous)

Patent 5220316: Nonlinear resistor control circuit and use in liquid crystal displays
(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 5220317: Electrochromic device capable of prolonged coloration
(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 : Electrochromic elements : Input/output liquid crystal display panel)

Patent 5220318: Apparatus for selectively varying keyboard switching force
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Pressure sensitive actuation : With rollover feature (i.e., antidoublestrike))

Patent 5220319: Adaptable key holder for a remote control transmitter
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Pulse responsive actuation : Serial : Radio link : Counting chain)

Patent 5220320: Switch matrix including both B switching elements and crossbar switch matrices
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Path selection : Channel selecting matrix : Plural stages : Conveyor belt)

Patent 5220321: Method for the provision of malfunction protection for lights in decentralized traffic-light installations
(COMMUNICATIONS: ELECTRICAL : TRAFFIC CONTROL INDICATOR : Traffic control or local controller failure indicator : Electromechanical movable auxiliary indicator)

Patent 5220322: Ground proximity warning system for use with aircraft having egraded performance
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Flight alarm : Altitude : Magnetic field guide)

Patent 5220323: Keyboard apparatus having ghost key sensing function
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : With error prevention means (e.g., debounce, antichatter) :)

Patent 5220324: Wireless coordinate reader and switch state detection system for coordinate indicator
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Magnetic or inductive actuation : With rollover feature (i.e., antidoublestrike))

Patent 5220325: Hierarchical variable length decoder for digital video data
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from variable length codes : To or from Morse code)

Patent 5220326: Digital-to-analog converter with improved performance and method therefor
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)

Patent 5220327: Decimation filter in a sigma-delta analog-to-digtal converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation) : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))

Patent 5220328: Target motion detecting impulse doppler radar system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : BASE BAND SYSTEM : Detection of surveilance)

Patent 5220329: Monopulse reply extractor for SSR navigation systems
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : AIR TRAFFIC CONTROL : Secondary Surveilance Radar (SSR) or Air Traffic Control Radar Beacon System (ATCRBS) : With defruiting or degarbling : By varying gain or blocking receiver)

Patent 5220330: Broadband conformal inclined slotline antenna array
(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 5220331: Continuous-wave radar set usable as a transmitter for information transmission
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS EXTERNAL DEVICE : Radar mounted on and controls land vehicle : With terrain avoidance or alarm)

Patent 5220332: Ranging by sequential tone transmission
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DISTANCE : With remote cooperating station : FM type)

Patent 5220333: Method and apparatus for determining universal coordinated time from Loran-C transmissions
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : With transmisson of bearing or position determinative signals : Iso-chronic type : Loran : Loran-C :)

Patent 5220334: Multifrequency antenna, useable in particular for space telecommunications
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)

Patent 5220335: Planar microstrip Yagi antenna array
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)

Patent 5220336: Vehicle window glass antenna for transmission and reception of ultrashort waves
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body :)

Patent 5220337: Notched nested cup multi-frequency band antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Plural : Motor-driven)

Patent 5220338: Antenna Element
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Including magnetic material : With horn)

Patent 5220339: Antenna having a core of an amorphous material
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Including magnetic material : Loop type : With main and subreflector (Casse-grain type))

Patent 5220340: Directional switched beam antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Spiral or helical type : Antenna on bracket)

Patent 5220341: Telescoping antenna apparatus with leakage prevention between its upper and lower sections
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Rod type : Telescoping : Antenna along length of post)

Patent 5220342: Ink jet recording method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : Color type : Movement)

Patent 5220343: Method for transferring hot-melt transparent protective material to a recording medium
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Pre or post image recording treatment : Specific conductor means (e.g., electrode, conducting pattern, etc.))

Patent 5220344: Initial set-up procedure for an auto-focus lens
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : Having lens : Specific lens)

Patent 5220345: Ink jet recording apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of temperature or pressure of device or component thereof : Creating plural tones)

Patent 5220346: Printing processes with microwave drying
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Medium and processing means : Drying or curing : Ink)

Patent 5220347: Ink jet recording method and apparatus employing ink
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid (e.g., fluid specifics) : Ink : With carrier)

Patent 5220348: Electronic drive circuit for multi-laser thermal printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Feed back of light for intensity control : Including switching means)

Patent 5220349: Method and apparatus for thermally recording data utilizing metallic/non-metallic phase transition in a recording medium
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : By electrochemical)

Patent 5220350: Method and apparatus for preventing overheating of a thermal head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Density control : In accordance with temperature of the recording means : Having single layer colored transfer material)

Patent 5220351: Method for minimizing curl of transparent media during printing of high density thermal dye transfer images
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Record receiver driving means : Including separating means)

Patent 5220352: Thermal transfer recording device
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Ink cassette or cartridge : Specific conductor means (e.g., electrode, conducting pattern, etc.))

Patent 5220353: Thermal print head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Specific resistance recording element type : Specific conductor means (e.g., electrode, conducting pattern, etc.) : With means for driving or supplying current to the resistive heating elements : Including sensor means)

Patent 5220354: Thermal printing head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Specific resistance recording element type : Specific conductor means (e.g., electrode, conducting pattern, etc.) : With means for driving or supplying current to the resistive heating elements : Including sensor means)

Patent 5220355: Resistive sheet thermal transfer printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Electroconductive recording means : Adjustable)

Patent 5220356: Image forming apparatus with improved differentiating operation of types of photosensitive sheets
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Including tensioning means)

Patent 5220357: Image forming method and apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Hand-held)

Patent 5220358: Edge coating for laminated lenses
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Neck retainers)

Patent 5220359: Lens design method and resulting aspheric lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Methods : Multiple elements)

Patent 5220360: Apparatus and method for topographical analysis of the retina
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including projected target image : For cornea curvature measurement :)

Patent 5220361: Gaze tracking for field analyzer
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Subjective type : Perimeter type : With bowl type screen : Hand held type)

Patent 5220362: Ophthalmic lighting apparatus
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Subjective type : Lens or filter selectively insertable in optical path : Mounted on rotatable disc : Having plural disc carrier :)

Patent 5220363: Projector
(OPTICS: IMAGE PROJECTORS : DISTORTION COMPENSATION : Reflector between lamp and screen)

Patent 5220364: Exposure control device for camera
(PHOTOGRAPHY : EXPOSURE CONTROL SYSTEM RESPONSIVE TO FOCAL LENGTH : Illumination angle responds to focal length or distance)

Patent 5220366: Message receiving data back for camera
(PHOTOGRAPHY : WITH DATA RECORDING : Optical : Segmented alphanumeric indicia : Having auxiliary illumination)

Patent 5220367: Camera using film with magnetic storage portion
(PHOTOGRAPHY : WITH DATA RECORDING : Magnetically on film or film cassette : Segmented alphanumeric indicia)

Patent 5220368: Camera system
(PHOTOGRAPHY : WITH DATA RECORDING : Optical : Segmented alphanumeric indicia : Having auxiliary illumination)

Patent 5220369: Battery coupler
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having adapter unit : Actuated by shutter movement)

Patent 5220370: Driving mechanism of camera and friction mechanism therefor
(PHOTOGRAPHY : WITH FILM DRIVE : Having mechanically actuated circuit : Rewind : Having film transport mechanism locked by perforation sensing pawl)

Patent 5220371: Film cartridge and a camera employing the film cartridge
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Film cassette or cartridge : Cable release)

Patent 5220372: Camera viewfinder
(PHOTOGRAPHY : WITH VIEWFINDER : Rear plates replaceable)

Patent 5220373: Electrophotographic process control device using a neural network for estimating states of the device
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Artificial intelligence : Single detector for plural toners)

Patent 5220374: Film supply magazine
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Plate or cut film holder : Light seal : Opposite movement)

Patent 5220375: Camera having blurring correction apparatus
(PHOTOGRAPHY : CAMERA SHAKE SENSING : Having stabilization system : And means to move film)

Patent 5220376: Arrangement for compensating for variable speed of a camera shutter
(PHOTOGRAPHY : EXPOSURE CONTROL CIRCUIT : Velocity control of shutter or diaphragm component : More than two photometering areas)

Patent 5220377: Image recording apparatus
(PHOTOCOPYING : USING MICROCAPSULES : Heating (e.g., thermal fixing) : Of selected area or border)

Patent 5220378: Optical arrangement especially suitable for use in a high speed multi-magnification photofinishing printer
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Focus or magnification control : Reflector between original and photo-sensitive paper : Including a cam or a screw with nonuniform pitch)

Patent 5220379: Color image forming apparatus
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Process cartridge : Misstrip of copy)

Patent 5220380: Control system for copying machines with improved communication function for centralized control unit
(ELECTROPHOTOGRAPHY : REMOTE MONITORING : With diverse image formation)

Patent 5220381: Electrophotographic image forming apparatus with process cartridge
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Having subunit separation : Toner cartridge)

Patent 5220382: Development apparatus having a cross-mixing auger
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Mixing : Auger : Optical detector)

Patent 5220383: Developing device for an image forming apparatus having a large number of microfields formed on a developer carrier
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Having applied bias : By magnetic brush)

Patent 5220384: Liquid developer based imaging machine using a developing electrode
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Liquid development : Having electrode : Self-cleaning : Optical detector)

Patent 5220385: Process cartridge for electrographic apparatus
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Developer seal)

Patent 5220386: Image forming apparatus having cleanable transfer material carrying means
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of cleaning : Temperature control)

Patent 5220387: Transfer unit of an image forming apparatus
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Transfer unit : New and waste toner container)

Patent 5220388: Method of and apparatus for transferring toner images
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : By pressure : Having copy medium guide)

Patent 5220389: Image forming apparatus having a controlled fixing means
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of fixing : Temperature control : Detection of toner in developing unit)

Patent 5220390: Electrophotographic image forming process
(ELECTROPHOTOGRAPHY : CLEANING OF IMAGING SURFACE : Plural diverse : Having treatment of image)

Patent 5220391: Image forming apporating having cleaning roller rotatable at different speeds during periods of image formation and non-image formation
(ELECTROPHOTOGRAPHY : CLEANING OF IMAGING SURFACE : Plural diverse : Having treatment of image)

Patent 5220392: Electrophotographic printer
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Simultaneous exposure and development : Development and cleaning)

Patent 5220393: Copying apparatus including an auxiliary frame
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Clamshell type : New and waste toner container)

Patent 5220394: Copying apparatus having controller for producing book-type copies
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Job mode : User access)

Patent 5220395: Image forming apparatus capable of indicating orientations for setting original documents
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Unacceptable copy coverage : Electrostatic)

Patent 5220396: Sheet separating mechanism
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Transfer unit : New and waste toner container)

Patent 5220397: Method and apparatus for angle measurement based on the internal reflection effect
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Apex of angle at observing or detecting station : With photodetection of reflected beam angle with respect to a unidirectional source beam)

Patent 5220398: Analog VLSI microchip for object position and orientation
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Apex of angle at observing or detecting station : With photodetection : With at least 2-dimensional sensitivity : Of transmission (e.g., lens))

Patent 5220399: Wide angle wheel alignment system
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Wheel alignment with photodetection : With photodetection of reflected beam angle with respect to a unidirectional source beam)

Patent 5220400: Container inspection system
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Containers or enclosures (e.g., packages, cans, etc.) : Surface condition)

Patent 5220401: Multiple internal reflectance liquid sampling
(OPTICS: MEASURING AND TESTING : SAMPLE, SPECIMEN, OR STANDARD HOLDER OR SUPPORT (E.G., PLATES OR SLIDES) : Fluid containers (e.g., cells or cuvettes) : Light intensity)

Patent 5220402: Multiple-path gas-absorption cell
(OPTICS: MEASURING AND TESTING : SAMPLE, SPECIMEN, OR STANDARD HOLDER OR SUPPORT (E.G., PLATES OR SLIDES) : Fluid containers (e.g., cells or cuvettes) : Light intensity)

Patent 5220403: Apparatus and a method for high numerical aperture microscopic examination of materials
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : With photocell detection)

Patent 5220404: Internal anode system for ring laser gyroscopes
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : For optical configuration)

Patent 5220405: Interferometer for in situ measurement of thin film thickness changes
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Thickness : Surface displacement due to acoustic wave propagation))

Patent 5220406: Sample point interferometer having separate rigid body and figure measurement channels
(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) : Having wavefront division (e.g., by diffraction))

Patent 5220407: Method for measuring the dimensions of an optical connector
(OPTICS: MEASURING AND TESTING : DIMENSION : Focus)

Patent 5220408: Method and apparatus for calibration of optical flying-height testers
(OPTICS: MEASURING AND TESTING : DIMENSION : Focus)

Patent 5220409: Light beam detection utilizing hologram
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Position transverse to viewing axis : Occulting a projected light beam : Moire)

Patent 5220410: Method and apparaus for decoding encoded video data
(TELEVISION : FORMAT : Including pulse modulation of video signal (e.g., pulse width, PAM) : Pulse code modulation : Field or frame sequential to simultaneous)

Patent 5220411: Synchronizing phase shift corrected synchronous signal detecting apparatus
(TELEVISION : SYNCHRONIZATION : Phase locking regenerated subcarrier to color burst : With line rate switch (e.g., SECAM))

Patent 5220412: Color signal converting circuit
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Matrixing or mixing : Receiver type)

Patent 5220413: Device for a compatible luminance/chrominance separation between different standard video signals
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Including comb filter (e.g., using line, field, frame delays) : Including feedback control)

Patent 5220414: Two-line comb filtering with spatial mixing
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Including comb filter (e.g., using line, field, frame delays) : Including feedback control)

Patent 5220416: Color image processing apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color separation : Color masking : With plural sensors)

Patent 5220417: Image processing apparatus and method
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color separation : Solid-state)

Patent 5220418: Image processing apparatus which thins out predetermined color signals
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Intermediate storage : With memory for storage of conversion data)

Patent 5220419: Automatic RF leveling in passenger aircraft video distribution system
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : LOCAL VIDEO DISTRIBUTION SYSTEM : Vehicle : Airplane : Terrestrial return path)

Patent 5220420: Interactive home information system for distributing compressed television programming
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH UPSTREAM COMMUNICATION : Transmission network : Having significant intermediate network unit (e.g., hub, substation, etc.) : Conveyed in video image)

Patent 5220421: Multichannel encoding method
(TELEVISION : STEREOSCOPIC : Color TV)

Patent 5220422: 3.times.3 sub-band coding/decoding circuit for video signals and method thereof
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Feature based : Separate coders : Subband coding :)

Patent 5220423: Apparatus for controlling display of an image on a large aspect ratio television screen
(TELEVISION : FORMAT CONVERSION : Scan rate variation)

Patent 5220424: Circuit for image signal transmission and reception by adaptive modulation and a method therefor
(TELEVISION : FORMAT : Adapted to reduce noise or for frequency modulation (e.g., variable gain) : Frequency change of subcarrier)

Patent 5220425: Image processing apparatus and method having improved control of plural image memories
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : For display of additional information)

Patent 5220426: Circuitry for removing information from, or modifying information in, the vertical interval of a television signal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Picture blanking : Including picture blanking)

Patent 5220427: Magnetic reproducing apparatus having circuit for preventing reversal of white peak
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Gray scale transformation : Automatic range control (e.g., AGC, automatic contrast control) : With specified DC level control)

Patent 5220428: Digital video effects apparatus for image transposition
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Geometric transformation : Rotation : Color signal)

Patent 5220429: Vision system for detecting a picture and reproducing said picture as a picture within a picture
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Cathode-ray tube : Charge-coupled architecture)

Patent 5220430: Sound control signal detecting circuit for satellite broadcasting signals
(TELEVISION : RECEIVER CIRCUITRY : Sound circuit : Tuning voltage)

Patent 5220431: Image-forming apparatus having a landscape mode and a portrail mode
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)

Patent 5220432: Methods and apparatus for half-tone imaging utilizing a rotated half-tone dot map
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : Halftone processing : With plural sensors)

Patent 5220433: Still video apparatus including picture and sound fading
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Still reproducing : Including switching means and delay means)

Patent 5220434: Video recording medium for stop-motion playback
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Audio signal : Time compressing : Plurality of audio channels)

Patent 5220435: Muse signal digital recording/reproducing apparatus and operating method thereof
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Compressing in recording or decompressing in reproducing : Television signal)

Patent 5220436: Electronic copying machine
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Image reproduction system : Composite image)

Patent 5220437: Secondary scanning control for use in facsimile equipment having redundancy suppressing coding system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile memory monitoring : Composite image)

Patent 5220438: Facsimile apparatus having a memory erase function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile memory monitoring : Composite image)

Patent 5220439: Facsimile apparatus having improved memory control for error-correcting and non-error-correcting modes
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile memory monitoring : Composite image)

Patent 5220440: Data compression method having a fixed ratio of compression for image data, and image data compression device
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Adaptive coding (i.e., changes based upon history, activity, busyness, etc.) : Checking spelling for recognition)

Patent 5220441: Mechanism for determining parallax between digital images
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile transparency image scanning : Charge coupled device)

Patent 5220442: Method of making color liquid crystal display with dead front appearance
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : NOMINAL MANUFACTURING METHODS OR POST MANUFACTURING PROCESSING OF LIQUID CRYSTAL CELL : In nematic phase)

Patent 5220443: Matrix wiring substrate and active matrix display having non-linear resistance elements for electrostatic discharge protection
(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 antistatic elements : In active matrix with separate dedicated capacitor line)

Patent 5220444: Reflective-type liquid crystal display device with etched oxide layer between substrate and metal film and method for producing same
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Reflector : Opaque mask or black mask)

Patent 5220445: Optical image processor
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Optical excitation : With photoconductive layer (e.g., spatial light modulator(SLMs)) : With particular dielectric mirror for spatial light modulator (i.e., SLM) : With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure)

Patent 5220446: Liquid crystal display elements with spacers attached to insulation and orientation layers and method for manufacturing them
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Particular nonoptical film or layer (e.g., adhesive layer, barrier layer) : Insulating layer : For parallel alignment)

Patent 5220447: Liquid crystal display device and phase plate therefor
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Compensator or retarder (i.e., not using liquid crystal cell) : Multiple compensators : Conductive mask)

Patent 5220448: Bit and frame synchronization unit for an access node of optical transmission equipment
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Including synchronization : Dispersion compensation)

Patent 5220449: Light beam scanning optical system
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Logic gate)

Patent 5220450: Scanning optical system capable of automatic focusing
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Having particular focusing element to receive scanned light : Having a common axis of rotation)

Patent 5220451: Second-order nonlinear optical device
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Modulation of polarized light via modulating input signal : With particular direction of the field in relation to the medium, beam direction or polarization : Semiconductor)

Patent 5220452: Volume display optical system and method
(OPTICAL: SYSTEMS AND ELEMENTS : STEREOSCOPIC : Roll up screen)

Patent 5220453: Telescopic spectacles with coaxial illumination
(OPTICAL: SYSTEMS AND ELEMENTS : BINOCULAR DEVICES : Binocular loupe type : Supporting, mounting, enclosing or light shielding structure)

Patent 5220454: Cata-dioptric reduction projection optical system
(OPTICAL: SYSTEMS AND ELEMENTS : POLARIZATION WITHOUT MODULATION : Light polarization without any external input : By reflection or refraction (e.g., Brewster angle) : Pictures offset, transposed or have respective right or left sides adjacent)

Patent 5220455: Passive, gravity referencing, fluid damped, two stage pendulum optical mount
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : Emergency or temporary reflectors (i.e., portable self standing))

Patent 5220456: Mirror positioning assembly for stabilizing the line-of-sight in a two-axis line-of-sight pointing system
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : Emergency or temporary reflectors (i.e., portable self standing))

Patent 5220457: Visual compute design permutation apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : KALEIDOSCOPE : With absorption means)

Patent 5220458: Keplerian zoomfinder optical system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Three groups : + - - + Arrangement)

Patent 5220459: Optical disk driving with inertial damping spring supporting lens holder
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Operation viewed through lens)

Patent 5220460: Adjustable mount for cylindrical lens with torque applied directly to lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens movable in its plane : Hand held)

Patent 5220461: Lens barrel apparatus for automatic focusing
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With axial adjustment (e.g., adjustable focus, etc.) : Electromagnetic or piezoelectric drive : Having a biconvex single element component)

Patent 5220462: Diode glazing with radiant energy trapping
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : Identical adjacent mirrors identically supported : Light concentrating (e.g., heliostat, etc.), concave, or paraboloidal structure)

Patent 5220463: Optical delay line
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : With successive reflections : With successive reflections)

Patent 5220464: Color filter assembly driver for scanners
(OPTICAL: SYSTEMS AND ELEMENTS : ABSORPTION FILTER : With selective absorption or transparent overcoating)

Patent 5220465: Circuit and method for reproducing a luminance signal compatibly between different video systems
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Signal amplitude level control : Digital technique)

Patent 5220466: Method and apparatus for digital filter control in a partial-response maximum-likelihood disk drive system
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Head amplifier circuit : Intra-cell transition)

Patent 5220467: Circuit arrangement for reversing a magnetic field
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Specifics of biasing or erasing : Between heads in alternate engagement with medium)

Patent 5220468: Disk drive with constant bandwidth automatic gain control
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Rotary carrier : By servo signal component from carrier surface separate from information signal bearing surface : By signal derived from transport)

Patent 5220469: Magnetic recording and reproducing apparatus having a loading ring disposed to intersect perpendicularly with a drum axis, and a loading
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)

Patent 5220470: Method of adapting slider to include back-bar
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Air bearing surface detail : Negative pressure type : Leading end detail : Dithering)

Patent 5220471: Air bearing slider having a longitudinal groove in surface remote from recording medium
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Electrical attachment of slider/head : Motorized)

Patent 5220472: Rotary drum for video tape recorder
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Record guide : Tape record : Rotating head : Helical scan : Head drum details :)

Patent 5220473: Multitrack magnetic head assembly having a tape-engaging surface contoured for continuous in-contact recording
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Gap structure details : Plural gaps : Mounting detail)

Patent 5220474: Demagnetizer for magnetic heads of floppy disc drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Nonmetallic)

Patent 5220475: Rotary head drum unit with grooves or protrusions on a stationary drum for lessening tape contact during rewinding
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Record guide : Tape record : Rotating head : Helical scan : Head drum details :)

Patent 5220476: Non-erasable magnetic data storage method
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Recording-or erasing-prevention : With incremental movement between record and head)

Patent 5220477: Cassette tape-loading apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Recording amplifier)

Patent 5220478: Apparatus for displaying thermal condition of motor controller
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : Digital control : Protection for thyristor)

Patent 5220479: Electronic trip device whose front panel is formed by a flat screen display
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : With time delay protective means : With multiple timing characteristics : With multiple timing characteristics (e.g., short, long))

 

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