Patents 5235248 - 5235501

 

 

Patent 5235248: Method and split cavity oscillator/modulator to generate pulsed particle beams and electromagnetic fields
(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 5235249: Multiple-beam microwave tube with groups of adjacent cavities
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Combined cathode ray tube and circuit element structure : Inductor or distributed parameter-type inductive structure : Ray passes in or through a hollow distributed parameter device : Plural rays pass through or in the hollow device : Secondary emission passes through or in the hollow device)

Patent 5235250: Windshield wiper light circuit with optional time delay
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : SPECIAL APPLICATION : Vehicle : Head light systems : Steering mechanism controlled)

Patent 5235251: Hydraulic fluid cooling of high power microwave plasma tubes
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH LOAD DEVICE TEMPERATURE MODIFIER : Electron or ion source)

Patent 5235252: Fiber-optic anti-cycling device for street lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH RADIANT ENERGY SENSITIVE CONTROL MEANS : Load device irradiating the radiant energy responsive device : Discharge control discharge device)

Patent 5235253: Thin-film electroluminescent device drive circuit
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL POWER SUPPLIES : Plural cathode and/or anode load device : Diverse-type energizing or bias supplies to different electrodes : Electroluminescent device : Discharge control discharge device)

Patent 5235254: Fluorescent lamp supply circuit
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Periodic switch in the primary circuit of the supply transformer : Periodic switch selectively connectable to plural load device circuits)

Patent 5235255: Switching circuit for operating a discharge lamp with constant power
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Impedance or current regulator in the supply circuit : Condenser or inductance in the primary circuit)

Patent 5235256: Biasing system for controlling chemical concentration in lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD : Plural discharge device loads)

Patent 5235257: CRT scan system dynamic focus circuit
(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 5235258: Remotely controlled articulated bed
(ELECTRICITY: MOTIVE POWER SYSTEMS : SUPPLIED OR CONTROLLED BY SPACE-TRANSMITTED ELECTROMAGNETIC OR ELECTROSTATIC ENERGY (E.G., BY RADIO) : Power- or motion-transmitting mechanism)

Patent 5235259: Apparatus and method for controlling a motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : LIMITATION OF MOTOR LOAD, CURRENT, TORQUE OR FORCE (E.G., PREVENTING OVERLOAD) : Control of motor load or device driven)

Patent 5235260: Wiper controller
(ELECTRICITY: MOTIVE POWER SYSTEMS : PERIODIC, REPETITIOUS OR SUCCESSIVE OPERATIONS CONTROL OF MOTOR, INCLUDING "JOG" AND "INCH" CONTROL : Different voltages)

Patent 5235261: DC powered surgical handpiece having a motor control circuit
(ELECTRICITY: MOTIVE POWER SYSTEMS : ARMATURE (OR PRIMARY) CIRCUIT CONTROL : Voltage control : Wound or energized in magnetic opposition)

Patent 5235262: Motor control apparatus for controlling the position of a motor-driven object
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Digital or numerical systems : Pulse-counting systems : Commutating switch-type encoder)

Patent 5235263: Method and apparatus for correcting hysteresis synchronous motor hunting
(ELECTRICITY: MOTIVE POWER SYSTEMS : SYNCHRONOUS MOTOR SYSTEMS : Hysteresis or reluctance motor systems : Cyclically varying or repeated speed schedules)

Patent 5235264: Method of and circuit for starting sensorless motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : With added motor winding or convertible to series motor)

Patent 5235265: Multi-level motor load sensing circuit
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Starting control : Operating from a single phase source : Start winding removed during running operation : By electronic switch : Plural switches connected in series)

Patent 5235266: Energy-generating plant, particularly propeller-type ship's propulsion plant, including a solar generator
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : FOR REACTIVE POWER CONTROL : Condition responsive)

Patent 5235267: Circuit and a method for measuring a quantity influencing the capacitance-voltage characteristic of a capacitive element
(ELECTRICITY: MEASURING AND TESTING : DETERMINING NONELECTRIC PROPERTIES BY MEASURING ELECTRIC PROPERTIES : Semiconductors for nonelectrical property : Mechanically actuated switch)

Patent 5235268: Test and measurement system
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Plural ranges, scales or registration rates : Tape, sheet (e.g., disk) or wire (e.g., magnetic) storage)

Patent 5235269: Waveform measuring device
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Cathode ray (e.g., magic eye) : Hall effect)

Patent 5235270: Waveform measuring device
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Cathode ray (e.g., magic eye) : Hall effect)

Patent 5235271: System and method for testing manufactured lots of electronic devices
(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 5235272: Method and apparatus for automatically inspecting and repairing an active matrix LCD panel
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Liquid crystal device test : With barrier layer)

Patent 5235273: Apparatus for setting pin driver/sensor reference voltage level
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Error mapping or logging)

Patent 5235274: Pulsed excitation position sensor system using linear variable differential transducers with multiplexing
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Compensation for measurement : With axially arranged electrodes)

Patent 5235275: Magnetic inspection apparatus for thin steel strip having magnetizer and detection coil within a hollow roller rotated by the steel strip
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : Electrically energized nonforce type sensor : Material flaw testing : Material flaw testing)

Patent 5235276: Rapid pulse magnetic resonance analysis
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Determine fluid flow rate : Having particular optical cell structure)

Patent 5235277: Surface coil for magnetic resonance examinations
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5235278: Magnetic resonance spectroscopy method and device for performing the method
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5235279: MRI using auxiliary insert gradient coil to produce intense auxiliary magnetic gradient pulses
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5235280: Method for determining optimized radio-frequency pulse shapes for selective excitation in magnetic resonance spectroscopy and imaging
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : With conditioning of transmitter signal :)

Patent 5235281: Magnetic resonance imaging system
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5235282: Magnetic resonance apparatus comprising a superconducting shielding magnet
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5235283: Gradient coil system for a nuclear magnetic resonance tomography apparatus which reduces acoustic noise
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5235284: Passive shim arrangement for nuclear magnetic resonance
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Polarizing field magnet : With homogeneity control :)

Patent 5235285: Well logging apparatus having toroidal induction antenna for measuring, while drilling, resistivity of earth formations
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : With radiant energy or nonconductive-type transmitter : With separate pickup : Within a borehole : By induction logging : Using a toroidal coil :)

Patent 5235286: Method for detecting and obtaining information about changers in variables
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : For fault location : By voltage or current measuring : Using a particular sensing electrode)

Patent 5235287: Frequency measurement receiver with bandwidth improvement through phase shifted sampling of real signals using sampling rate selection
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Analysis of complex waves : Frequency spectrum analyzer : Nonscanning : With delay line : With space discharge device)

Patent 5235288: Amplifier stage for low-resistance AC voltage sources
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including push-pull amplifier : Having complementary symmetry : And field effect transistor :)

Patent 5235289: Transmission power amplifier device
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including field effect transistor : Having transformer)

Patent 5235290: Method and apparatus for smoothing out phase fluctuations in a monitored signal
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : AFC with logic elements : Reactance device (e.g., variable capacitors, saturable inductors, reactance tubes, etc.))

Patent 5235291: Fabrication device which automatically positions a dielectric resonator with respect to a substrate for mounting of the resonator thereon in
(OSCILLATORS : WITH FREQUENCY CALIBRATION OR TESTING : With particular signal combining means (e.g., cavity mixer))

Patent 5235292: Signal generator having backup oscillator switching circuit
(OSCILLATORS : PLURAL OSCILLATORS : Selectively connected to common output or oscillator substitution : With filter in mixer output circuit)

Patent 5235293: Variable frequency microwave oscillator including digital phase shifter as tuning element
(OSCILLATORS : WITH DISTRIBUTED PARAMETER RESONATOR : With distributed parameter resonator)

Patent 5235294: Auto-tuned apparatus for band-pass filter
(WAVE TRANSMISSION LINES AND NETWORKS : AUTOMATICALLY CONTROLLED SYSTEMS : Having branched circuits)

Patent 5235295: Microwave equalizer suitable for aerospace applications
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Equalizers : Having long line elements)

Patent 5235296: Directional coupler using a microstrip line
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : Using directional coupler : Having mechanical switching means)

Patent 5235297: Directional coupling manifold multiplexer apparatus and method
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : Using directional coupler : For providing frequency separation : For waveguide)

Patent 5235298: Temperature compensated stripline filter for microwaves
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Stripline or microstrip : Plural mechanically coupled disk resonators)

Patent 5235299: Low loss coaxial cable
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINES : Shielded type : Circular or helical structure)

Patent 5235300: Millimeter module package
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Strip type : Semiconductor mounts : Having movable element)

Patent 5235301: Electromagnetic relay
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Polarity-responsive : With locking, latch or tripping structure)

Patent 5235302: Starter motor electromagnetic switch
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : Contacts-selectively, sequentially, alternately, or intermittently actuated : Contact-actuation means : Reciprocating or linearly sliding : Rotary armature)

Patent 5235303: Miniaturized universal electromagnet capable of operation in wide voltage range
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : With adjustable, replaceable or interchangeable structural features : By reciprocating armature)

Patent 5235304: Dust preventing device for electromagnetic contactor
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : With adjustable, replaceable or interchangeable structural features : By reciprocating armature)

Patent 5235305: Terminals for coil body of electrical coils
(INDUCTOR DEVICES : WINDING WITH TERMINALS, TAPS, OR COIL CONDUCTOR END ANCHORING MEANS : Basket weave (single layer))

Patent 5235306: Fuse assembly
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Delayed action (i.e., time lag) : With biased direct circuit opening means : Plural elements)

Patent 5235307: Solderless cartridge fuse
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Fuse link carrier or holder : Cartridge or tube : Peculiarly adapted for plug-type fuse carrier (e.g., fuse block))

Patent 5235308: Thermal protector
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : THERMALLY ACTUATED SWITCHES : With bimetallic element : With auxiliary heating means : With position adjusting means)

Patent 5235309: Resistive current limiter
(SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS : HIGH TEMPERATURE (TC GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING : High frequency waveguides, resonators, electrical networks, or other devices of the waveguide type (e.g., phase shifters, cavity filters, etc.) : Superconducting transistor (e.g., Josephson transistor, etc.))

Patent 5235310: Varistor having interleaved electrodes
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Current and/or voltage (e.g., ballast resistor) : Voltage surge-responsive or lightning arrester type :)

Patent 5235311: Magnetic variable resistor
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Magnetic field or compass (e.g., Hall effect type) : Mechanically adjustable or variable)

Patent 5235312: Polysilicon resistors and methods of fabrication
(ELECTRICAL RESISTORS : WITH BASE EXTENDING ALONG RESISTANCE ELEMENT : Resistance element and/or terminals printed or marked on base : Element extends in or through openings or grooves in frame or support)

Patent 5235313: Thin film resistor and wiring board using the same
(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 5235314: Warning device for concrete finishing tool
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Portable self-contained (e.g., movie usher's signalling flashlight) : Automatic rebalancing)

Patent 5235315: Self test for obstacle detection system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of relative distance from an obstacle : Including keyless entry)

Patent 5235316: Vehicle collision avoidance system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of collision or contact with external object : Including keyless entry)

Patent 5235317: Adaptive lamp monitor with non-linear normalization factor
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Lamp or lamp circuit condition : Of service interval expiration)

Patent 5235318: Individual electronic dosimetry installation
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Interrogator-responder : With ringback)

Patent 5235319: Patient monitoring system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : House arrest system, wandering, or wrong place : Specified device housing or attachment means)

Patent 5235320: Alarm system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular coupling link : Radio : Including personal portable device : Mechanical code means (e.g., coded disc))

Patent 5235321: Ski alarm system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Alarm on protected article : Specified connector (e.g., phone jack-type plug))

Patent 5235322: Personal protection system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Holdup : Specified device housing or attachment means)

Patent 5235323: Fire alarm with electric and non-electric annunciators
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Thermal : Fusible, frangible, or destructible sensor : Rate of temperature change)

Patent 5235324: Detector for over-pressure inside a pipe and a pump fitted with such a detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Pressure : Liquid)

Patent 5235325: Weight alarm device for trash containers
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Force or stress : Weight : Undervoltage)

Patent 5235326: Multi-mode identification system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Interrogation response : Response signal detail : Combination response : Audible)

Patent 5235327: Paging device with test and scan modes
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Monitoring in addition to control (e.g., supervisory) : Including addressing : Control to correct fault)

Patent 5235328: Remote command apparatus
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Frequency responsive actuation : Wireless link : Radio link)

Patent 5235329: Emergency vehicle detection device
(COMMUNICATIONS: ELECTRICAL : EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM : Transmitter in another vehicle (e.g., emergency vehicle) : With discharge device (e.g., CRT))

Patent 5235330: Digital rebalance loop
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Flight alarm : Attitude (including yaw, angle of attack, roll, pitch, glide slope) : Magnetic field guide)

Patent 5235331: Key scanning apparatus
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : With particular key scanning feature : With rollover feature (i.e., antidoublestrike))

Patent 5235332: Parallel DS3 AID/Idle code generator
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)

Patent 5235333: Hysteresis-insensitive single-comparator successive approximation analog-to-digital converter
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)

Patent 5235334: Digital-to-analog converter with a linear interpolator
(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 5235335: Circuit and method for tuning capacitor arrays
(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 5235336: Method of bearing determination utilizing a bottom antenna in an aircraft tracking system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : AIRCRAFT COLLISION AVOIDANCE SYSTEM (CAS) : With transponder : Particular SAR processing techniques (e.g., squint mode, doppler beam-sharpening mode, spotlight mode, bistatic SAR, inverse SAR) (EPO))

Patent 5235337: Search and rescue transponder housing
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Radar transponder only : Distance measuring equipment (DME))

Patent 5235338: Moving target detection through range cell migration radar
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING VELOCITY : Combined with determining distance : With correlation)

Patent 5235339: Radar target discrimination systems using artificial neural network topology
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : CLUTTER ELIMINATION : Scanning)

Patent 5235340: Frequency domain polarimeter
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : With polarization : With sweep expansion)

Patent 5235341: Method and system for measuring the position of lightning strokes
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : Storm or atomic explosion location : Having traffic control)

Patent 5235342: Antenna array with system for locating and adjusting phase centers of elements of the antenna array
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Measuring signal energy :)

Patent 5235343: High frequency antenna with a variable directing radiation pattern
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Balanced doublet - centerfed (e.g., dipole) : Plural : With coupling network : With parasitic element (e.g., reflector or director))

Patent 5235344: Drive control apparatus for an electrically-driven type extensible/retractable antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Rod type : Telescoping : Flexible rod actuated : Quarter-wave transformer)

Patent 5235345: Image recording apparatus for thermally recording images on a thermal-sensitive medium
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Having driving circuitry for recording means : Specific conductor means (e.g., electrode, conducting pattern, etc.))

Patent 5235346: Method and apparatus for controlling the temperature of thermal ink jet and thermal printheads that have a heating matrix system
(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 5235347: Light emitting diode print head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific light source (e.g., LEDs assembly) : Including switching means)

Patent 5235348: LED exposure head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific light source (e.g., LEDs assembly) : Including switching means)

Patent 5235349: Optical scanner having variable power function and system using the same
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Specific optical structure : Including switching means)

Patent 5235350: Pigmented semiconductive hot melt ink and ink jet apparatus employing same
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : For hot-melt fluid (e.g., phase-change) : With integral ejector)

Patent 5235351: Liquid ejection recording head including a symbol indicating information used for changing the operation of the head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Responsive to condition : Full-line array)

Patent 5235352: High density ink jet printhead
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With piezoelectric force ejection : Layers, plates : Flow path)

Patent 5235353: Compact ink jet recording apparatus with particular design for recording medium conveyance and support
(RECORDERS : INSTRUMENT SUPPORT INSTRUMENT PART SUPPORT : Lead-screw drive means)

Patent 5235354: Method for improving the printing quality and repetition accuracy of electrographic printers and a device for accomplishing the method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : By information carrying flow of invisible charged particles : Specific ionographic head : Including simultaneous development : Drop sensors)

Patent 5235355: Buoyant eyeglass retainers
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Temples : With head or ear engaging attachments : Screwless lens mounting)

Patent 5235356: Eyeglass hinge for frames
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Connectors : With particular hinge : With clamping arms)

Patent 5235357: Spectacle lenses having an inside-out conicoidal front surface and method for forming same
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Neck retainers)

Patent 5235358: Light filter for improving vision
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : With light filtering means : Hydrophilic)

Patent 5235359: Progressive opthalmic lenses and method of facilitating their manufacture
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Multifocal : Gradually varying focal power : Spring between lens and strap)

Patent 5235360: Automatic perimeter
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Subjective type : Perimeter type : With bowl type screen : Hand held type)

Patent 5235361: Stereoscopic vision testing apparatus
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Subjective type : Including test chart or target : Stereoscopic type : Having plural disc carrier)

Patent 5235362: Slide projector for wall projection and groundglass plate projection
(OPTICS: IMAGE PROJECTORS : SELECTIVE PROJECTION ON DISTANT OR CABINET SCREEN : For projection axis inclined to screen)

Patent 5235363: Method and apparatus for interacting with a computer generated projected image
(OPTICS: IMAGE PROJECTORS : MISCELLANEOUS : Slides gripped or hooked)

Patent 5235364: Lens-fitted photographic film package with flash unit
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having flash built into camera : Diaphragm function only)

Patent 5235365: Film initial advance apparatus and method for photographic camera
(PHOTOGRAPHY : WITH FILM DRIVE : Having significant electronic circuit detail : Rewind)

Patent 5235366: Single use photographic film package and camera
(PHOTOGRAPHY : WITH FILM DRIVE : With reflector)

Patent 5235367: Viewfinder magnifier
(PHOTOGRAPHY : HAVING CAMERA INDICATOR : Having display in viewfinder : Having plural pointers or match needle)

Patent 5235368: Photographic studio systems
(PHOTOGRAPHY : STUDIO STRUCTURE : Lighting :)

Patent 5235369: Photographic picture-taking film processing
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Photographic medium or cartridge sensing : Transmittivity/reflectivity of photographic medium sensing : Rotary)

Patent 5235370: Method and apparatus for out-of-rate error detection in film processor temperature control system
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Heating, cooling, or temperature detecting : Temperature detecting or controlling of drying station : Rotary)

Patent 5235371: Modification of film processor chemistry proportional heating during replenishment
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having testing, calibration, or indicating : Plural stations)

Patent 5235372: Automated dental X-ray system
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Single station and plural fluids : Plural stations)

Patent 5235373: Film holder for dental X-ray film developing machine, and film mounting stage for the holder
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Photographic medium holding device : Retaining means : For plate)

Patent 5235374: Electronically controlled camera having macro and normal operational modes
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Having focus operation : Including focus/distance detecting circuit : Plural tanks)

Patent 5235375: Focusing position detecting and automatic focusing apparatus with optimal focusing position calculation method
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : With electronic filtering : With mechanical rangefinder)

Patent 5235376: Camera remote-controlling apparatus
(PHOTOGRAPHY : HAVING WIRELESS REMOTE CONTROL CIRCUIT : Having stabilization system)

Patent 5235377: Measuring apparatus for camera
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Reliability of focus/distance signal : With mechanical rangefinder)

Patent 5235378: Electronic circuit for a camera having means for suspending operation of the microcomputer program after the start of the electronic flash
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : With power supply detail : Effective distance indicator)

Patent 5235379: Camera system
(PHOTOGRAPHY : EXPOSURE CONTROL CIRCUIT : Program mode : Program selection : Indicating power source status)

Patent 5235380: Camera having device for display within viewfinder
(PHOTOGRAPHY : HAVING CAMERA INDICATOR : Nonmechanical visual display : Ambient light condition display using one of three light emitters : Using stepping motor)

Patent 5235381: Rotation controlling apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for photosensitive paper : Including shutter, diaphragm, polarizer or filter)

Patent 5235382: Photocopy machine cover
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for original : Including adjustable or selective masking frame)

Patent 5235383: Process cartridge and image forming apparatus using same
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Color : Toner cartridge)

Patent 5235384: Image forming apparatus with replaceable process units
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Toner : Misstrip of copy)

Patent 5235385: Method and apparatus for controlling toner image density
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Bias control : By concentration detector)

Patent 5235386: Charging device having charging member, process cartridge and image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Contact : Roller : Toner cartridge)

Patent 5235387: Developing apparatus using a one-component nonmagnetic toner
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Regulating (e.g., doctor) : By magnetic brush)

Patent 5235388: Method and apparatus for determining toner charge-to-mass ratio
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : Detection of toner in developing unit : On or adjacent to platen)

Patent 5235389: Replaceable toner cartridge with internal stirring member, and electrophotographic printer employing the same
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Supplying new toner : Cartridge : Having internal rotary member : Including sample holder)

Patent 5235390: Developing device with toner cartridge cover shaped to prevent leakage
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Supplying new toner : Cartridge : Optical detector)

Patent 5235391: Image forming apparatus provided with automatic discharging mechanism
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Toner : Deterioration or developability of toner : On or adjacent to platen)

Patent 5235392: Reproduction apparatus having image transfer velocity matching means
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Sequential control : Temperature control)

Patent 5235393: Toner image-fixing apparatus having air cooling device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : Having treatment of image : Contact)

Patent 5235394: Push-pull wicking device for fixing roller
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : Offset prevention : Parting agent applicator : Retractable)

Patent 5235395: Image fixing apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Continuous web : Cleaning member)

Patent 5235396: Image processing apparatus having an image processing mode selected by a special sheet
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Job mode : Key sheet : Warmup or standby mode)

Patent 5235397: Device for guiding a sheet exiting a transport nip
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Delivering from transfer position : Stripping from photoconductive member : Speed control of conveyance)

Patent 5235398: Cavity monitoring system
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Using at least a pair of viewing axes)

Patent 5235399: Temperature measuring apparatus utilizing radiation
(OPTICS: MEASURING AND TESTING : OPTICAL PYROMETERS : Plural color responsive : Standards)

Patent 5235400: Method of and apparatus for detecting defect on photomask
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Surface condition : On patterned or topographical surface (e.g., wafer, mask, circuit board) : On patterned or topographical surface (e.g., wafer, mask, circuit board))

Patent 5235401: Device for determination of very low concentrations of elements by atomic emission spectrometry
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With sample excitation (e.g., burning) : Using plural beams)

Patent 5235402: Spectrometer
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrometer : Having beam modulation)

Patent 5235404: Interferometric technique for measurement of nonreciprocal optical effects in a sample
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : By fiber or waveguide interferometer (e.g., Sagnac effect) : With diffraction grating means)

Patent 5235405: Detector apparatus for detecing coherent monohromatic point-source radiation
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having wavefront division (by diffraction) : Having Schlieren effect)

Patent 5235406: Object displacement detection
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having polarization : For dimensional measurement : Displacement or distance : Having wavefront division (e.g., by diffraction) : Having wavefront division (e.g., by diffraction))

Patent 5235407: System for placement and mounting of fine pitch integrated circuit devices
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With object being compared and light beam moved relative to each other (e.g., scanning))

Patent 5235408: Position detecting method and apparatus
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With registration indicia (e.g., scale) : For comparison with master or desired configuration)

Patent 5235409: Optical detection system for capillary separation columns
(OPTICS: MEASURING AND TESTING : FOR LIGHT TRANSMISSION OR ABSORPTION : Of fluent material : Photoelectric (e.g., sequential viewing))

Patent 5235410: Apparatus and methods for non-linear processing of digital signals
(TELEVISION : FORMAT : Including pulse modulation of video signal (e.g., pulse width, PAM) : Pulse code modulation : Field or frame sequential to simultaneous)

Patent 5235411: Signal processing apparatus with improved alignment switching between color difference signals
(TELEVISION : SYNCHRONIZATION : For sequential color components : With line rate switch (e.g., SECAM) : Dot sequential)

Patent 5235412: Electronic color imaging system and analog signal processor therefor
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Matrixing or mixing : Receiver type)

Patent 5235413: Method and apparatus for processing component signals to preserve high frequency intensity information
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Gray scale transformation : Nonlinear amplitude modification (e.g., gamma) : Color television : Selects or blends two or more separated signals to derive output)

Patent 5235414: Non-obtrusive programming monitor
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : USE SURVEYING OR MONITORING (E.G., PROGRAM OR CHANNEL WATCHED) : Manual entry (e.g., using keypad or by written response) : By passive determination and measurement (e.g., by detecting motion or ambient temperature, or by use of video camera))

Patent 5235415: Device for the intelligible consultation of data relating to the fees programs of a subscription television and/or radio service
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH LOCAL INTERACTION : Interactive data transmitted in video signal band (e.g., VBI or HBI data) : Teletext : Diplex filter)

Patent 5235416: System and method for preforming simultaneous bilateral measurements on a subject in motion
(TELEVISION : SPECIAL APPLICATIONS : Human body observation : Physical structure of circuit element)

Patent 5235417: Television signal scan conversion system with motion adaptive processing
(TELEVISION : FORMAT CONVERSION : Line doublers type (e.g., interlace to progressive IDTV type) : Motion adaptive : Motion adaptive)

Patent 5235418: Method and apparatus for low frequency removal in vector quantization
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Vector quantization : Discrete cosine)

Patent 5235419: Adaptive motion compensation using a plurality of motion compensators
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)

Patent 5235420: Multilayer universal video coder
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Feature based : Separate coders : Subband coding :)

Patent 5235421: Encoding device in a super high definition television system and method thereof
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive)

Patent 5235422: Frequency stabilized clock signal generator synchronized to an input video signal
(TELEVISION : SYNCHRONIZATION : Automatic phase or frequency control : Of sampling or clock : Noise inversion)

Patent 5235423: Controllable pseudo random noise pattern generator for use in video special effects
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : For display of additional information)

Patent 5235424: Automatic gain control system for a high definition television signal receiver
(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 5235425: Automatic tuning method and device thereof
(TELEVISION : RECEIVER CIRCUITRY : Tuning : Color television)

Patent 5235426: Solid state image sensing device having no field isolation layer
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Charge-coupled architecture : Exclusively passive light responsive elements in the matrix)

Patent 5235427: Camcorder and method of controlling recording in accordance with shaking of the camcorder
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Camera image stabilization : Combined with other camera operations (e.g., autofocus or autoexposure details) : Changing camera function based on motion detection (mode, power supply) : Optics, lens shifting)

Patent 5235428: Auto-focus system for video camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Focus control : Using image signal : By analyzing high frequency component : Plural high frequencies :)

Patent 5235429: Display apparatus having bandwidth reduction and vertical interpolation
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive)

Patent 5235430: Facsimile system with simplified detection of changing points to realize high speed MR coding operation
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Reduced time or bandwidth for static image communication : Combined with lossless coding technique (e.g., fixed or variable run-length coding) : Coded image communication rate)

Patent 5235431: Circuit used in a camcorder for monitoring the recorded state of a tape during recording by simultaneous playing back of the tape
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Signal amplitude level control : Including switching means and delay means)

Patent 5235432: Video-to-facsimile signal converter
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile video : Stylus type)

Patent 5235433: System and method for automatically indexing facsimile transmissions received in a computerized image management system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Coding for digital facsimile equipment (e.g., Group 3 or 4))

Patent 5235434: Method and apparatus for selectively adjusting the brightness of large regions of an image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5235435: Method of producing halftone images
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Multi-level image reproduction (e.g., gray level reproduction) : Halftoning (e.g., a pattern of print elements used to represent a gray level) : Rescreening (e.g., converting spatial resolution) :)

Patent 5235436: Image processing apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Text and image detection and processing : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5235437: Analog/digital image processor apparatus with liquid crystal light modulator
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Carrier wave modulation)

Patent 5235438: Image scanning and recording method and apparatus for compensating for a pyramidal error of a rotating polygon
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Coherent light : Including a polygon reflector : Stochastic or random dithering)

Patent 5235439: Volume-holographic inner product processor
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium : Recyclable : Crystalline material :)

Patent 5235440: Optical interconnector and highly interconnected, learning neural network incorporating optical interconnector therein
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using modulated or plural reference beams : Spatial, phase or amplitude modulation : Crystalline material)

Patent 5235441: Holographic lenses
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Holograph on curved substrate)

Patent 5235442: Method for the recording and for the visual restitution of a tridimensional scene
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : For producing or reconstructing images from multiple holograms (e.g., color, etc.) : Lens)

Patent 5235443: Polarizer device
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL OPTICAL ELEMENT : Passive liquid crystal polarizer : Twisted (or chiral) nematic or supertwisted nematic)

Patent 5235444: Image projection arrangement
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Plural light path projectors : Having light separated into S and P polarization :)

Patent 5235445: Liquid crystal optical element with liquid crystal in polymer matrix with particular modulus of elasticity
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Microencapsulated or polymer dispersed liquid crystal : With particular encapsulating medium : With color formed by different color polarizer or color filter associated with each cell)

Patent 5235446: Projection type liquid crystal display apparatus with pixels of one panel
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Plural light path projectors :)

Patent 5235447: Color matrix screen with colored filters in a triad or delta layout with two sub-pixels per color
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Filter : Color filter : With unequal areas for different colors or with fractional shift between one line of colors and the next : With particular insulating layer)

Patent 5235448: Liquid crystal display having proportional TFT channel width
(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 : Structure of transistor :)

Patent 5235449: Polarizer with patterned diacetylene layer, method for producing the same, and liquid crystal display device including such polarizer
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Polarizer : Formed by particular technique)

Patent 5235450: Liquid crystal display apparatus with positive and negative phase plates with specific positions of slow axes
(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 : Including at least one with negative intrinsic birefringence : With particular insulating layer)

Patent 5235451: Liquid crystal display module
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Electrode or bus detail (i.e., excluding supplemental capacitor and transistor electrodes) : Having connection detail to external circuit : Resistance reducing electrodes)

Patent 5235452: Process and switching matrix apparatus for optical transmission of signals by self-heterodyning
(OPTICAL COMMUNICATIONS : TRANSMITTER : Including compensation : Including feedback : For wavelength control : Filter)

Patent 5235453: Holding unit for a measuring device
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Passive system : Central or master station)

Patent 5235454: Light beam scanner
(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) : Particular mount or driver for element : Sequential frames on moving film)

Patent 5235455: Wide bandwidth differential amplifier
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Amplitude modulation : Transmission-type (e.g., windows))

Patent 5235456: Tunable pulsed single longitudinal mode optical parametric oscillator
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Parametric oscillator : Third harmonic)

Patent 5235457: Kit for converting a standard microscope into a single aperture confocal scanning epi-illumination microscope
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Two or more in a series)

Patent 5235458: Binocular
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Telescope : Binocular : Body supported or with handle : With focusing means : Stereoscopic)

Patent 5235459: Inverted microscope with integrated ray paths
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : With plural optical axes : Using polarized light)

Patent 5235460: Erect image finder
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Telescope : With prism or U-shaped optical path : Equatorial mount)

Patent 5235461: Optical encoding and correlation system
(OPTICAL: SYSTEMS AND ELEMENTS : DIFFRACTION : Using Fourier transform spatial filtering : For correlation : Including a threaded member)

Patent 5235462: Decorated article
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT INTERFERENCE : Produced by coating or lamina : By nonmovable driving element (e.g., piezoelectric, magnetostrictive))

Patent 5235463: Method for the making of microlenses for optical applications
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : By refraction at beam splitting or combining surface)

Patent 5235464: Lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With graded refractive index : Projection type)

Patent 5235465: Objective lens system for use within microscope
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Microscope objective : Having five components : In a variable media (e.g., gas, elastomer, etc.))

Patent 5235466: Zoom lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Other than first group moves for focusing (internal focus type) : Cylindrical lenslets)

Patent 5235467: Cylindrical lens and a manufacturing method for the same
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With multipart element : Echelon (e.g., Fresnel lens, etc.) : Between lens components)

Patent 5235468: Trailer hitch viewing device with a readily detachable fixed alignment, storable mirror
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Retractable vehicle mirror : Plural reflecting surfaces)

Patent 5235469: Side view mirror
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : Composite or echelon mirrors or light concentrating array : Roof or roof-angle)

Patent 5235470: Orthogonal parabolic reflector systems
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : Composite or echelon mirrors or light concentrating array : With a line focus : Bayonet coupling)

Patent 5235471: Method of converting the data rate of a data signal
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORDING FOR CHANGING DURATION, FREQUENCY OR REDUNDANT CONTENT OF AN ANALOG SIGNAL : Motion picture film)

Patent 5235472: Apparatus for sensing operating shock on a disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Recording-or erasing-prevention : With incremental movement between record and head)

Patent 5235473: Recording medium erasing device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Specifics of biasing or erasing : Between heads in alternate engagement with medium)

Patent 5235474: Apparatus and method for automatic storage of computer data
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Recording amplifier)

Patent 5235475: Digital audio tape recorder
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Locating specific areas : Responsive to recorded address :)

Patent 5235476: Apparatus for controlling moving speed of magnetic head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track changing : For rotary carrier (e.g., disc) : Specified velocity pattern during access : Controlled by memory device : Dithering)

Patent 5235477: Track position detecting mechanism
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Stopping or reversing)

Patent 5235478: Disc drive apparatus with servo tracks offset from data tracks
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track changing : For rotary carrier (e.g., disc) : Specified spatial pattern during access : Controlled by memory device)

Patent 5235479: Digital video tape recorder with tracking central circuit for causing positions of existing recorded track and newly recorded track to
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Elongated web carrier (i.e., tape) : Transverse scan path : Continuous servo signal)

Patent 5235480: Actuating device for a drive switch of a front-loading type VCR
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Plural reels : Container mounting details : With common capstan drive)

Patent 5235481: Magnetic disk drive having a cartridge with actuator and spindle
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Tape in container)

Patent 5235482: Magnetic disk drive incorporating a mechanically damped base
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Environmental control (e.g., air filter, temperature control) : Plural reels)

Patent 5235483: Magnetic head having a groove between high and low track density cores
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Full contact suspension : Slider detail : Pivot/load button detail)

Patent 5235484: Low profile magnetic transducer assembly with negative pressure slider
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Mechanical attachment of slider to its support : Motorized)

Patent 5235485: Cleaning tool
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Nonmetallic)

Patent 5235486: Tape cassette for adsorbing and trapping corrosive gases
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : Pressure element)

Patent 5235487: Inverter with overload current protection
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Voltage regulator protective circuits : Shunt connected capacitors)

Patent 5235488: Wire wound core
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Ground fault protection : With differential sensing in a single phase system : With fuse)

Patent 5235489: Integrated solution to high voltage load dump conditions
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Load shunting by fault responsive means (e.g., crowbar circuit) : Voltage responsive : With more than two wires)

Patent 5235490: Trigger circuit for an electromagnetic device
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : Systems for magnetizing, demagnetizing, or controlling the magnetic field : Including particular drive circuit : Including means to establish plural distinct current levels (e.g., high, low) : By separating contacts)

Patent 5235491: Safety power supply
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : Air : With air circulating means : Circular)

Patent 5235492: Electromagnetic shielding apparatus for cellular telephones
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Shielding : EMI : Spacer details)

Patent 5235493: Alternately horizontal or vertical computer main frame housing
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Memory unit support : Disk drive support : With plug-in circuit breakers)

Patent 5235494: Electrical controller having pivotally mounted circuit board support
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : Stacked)

Patent 5235495: Pen-based computer with handle/prop having ratchet locking mechanism
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including keyboard support : Fluid)

Patent 5235496: Device for packaging integrated circuits
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : Component within printed circuit board : Integrated circuit : Circuit board mounted)

Patent 5235497: Luminescent fixture providing directed lighting for television, video, and film production
(ILLUMINATION : ELONGATED SOURCE LIGHT UNIT OR SUPPORT : With or including transparent or translucent member : Plural members : At end opposite bulb)

Patent 5235498: Lamp/reflector assembly and electric lamp for use therein
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Specific lamp mounting or retaining : Including specific light bulb mounting)

Patent 5235499: Lamp system having a torroidal light emitting member
(ILLUMINATION : LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER : Including reflector : With or including plural, distinct reflecting surfaces : With actuator)

Patent 5235500: Lamp, particularly a table lamp
(ILLUMINATION : SUPPORTS : Adjustable light support : Having plural diverse motions : Fork support : Internal coaxial member having straight line motion)

Patent 5235501: High efficiency voltage converter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Bridge type : Including plural anode/single cathode device)

 

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