Patents 5250777 - 5251029

 

 

Patent 5250777: Method and apparatus for variable phase induction heating and stirring
(ELECTRIC HEATING : INDUCTIVE HEATING : With heat exchange : Roller (e.g., godet, etc.) : Welding)

Patent 5250778: Method and apparatus for welding pad material to a spark plug electrode
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : For bonding with pressure (e.g., resistance welding) : Methods : With transformer)

Patent 5250779: Method and apparatus for heating-up a substrate by means of a low voltage arc discharge and variable magnetic field
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using electron beam : With cooling)

Patent 5250780: Apparatus for treating the surface of workpieces by means of a plasma torch
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using plasma : Plasma torch structure : Cooling system : With chamber)

Patent 5250781: Laser bonding apparatus
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Welding : Condition responsive)

Patent 5250782: Method for the closing, by laser, of electronic circuit packages, notably hybrid circuit packages, minimizing mechanical stresses
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Welding : Methods : With chamber)

Patent 5250783: Method of laser-welding metal sheets having different thickness
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Welding : Methods : With chamber)

Patent 5250784: Method and device for cutting a multilayer assembly composed of a plurality of thin films and comprising a thin film electrochemical
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Cutting : Methods : Methods)

Patent 5250785: Method for laser splitting wiper blades
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Cutting : Methods : Methods)

Patent 5250786: D-C arc welding apparatus
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Including arc-power supplies : With automatic output control (e.g., shortcircuit, infrared) : Responsive to arc current only : Methods)

Patent 5250787: Optical-disk playback apparatus, method of optical-disk playback and combined memory medium, having control programs stored in the
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Vote counters)

Patent 5250788: Apparatus for handling sheets of paper using robot hands
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Banking systems : Price determination)

Patent 5250789: Shopping cart
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Distribution or redemption of coupon, or incentive or promotion program : Job performance analysis)

Patent 5250790: Hand-mounted scanner with automatic manual initiation of reading indicia
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specified housing or mounting detail : Body attached : Using a moving mirror)

Patent 5250791: Scanning system with adjustable light output and/or scanning angle
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Aiming or positioning adjunct (e.g., viewfinder, pointer, or positioning aid) : Using spotter beam : Including count or time to binary conversion (e.g., Wide=1, Narrow=0))

Patent 5250792: Portable laser diode scanning head
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specified housing or mounting detail : Hand-held (e.g., portable) : Interchangeable scanning head or detachable handle : Rotating)

Patent 5250793: Conveying apparatus for ticket processing machine
(REGISTERS : CODED RECORD SENSORS : Feed mechanisms : Optical)

Patent 5250794: Apparatus for mounting card-like information recording medium
(REGISTERS : CODED RECORD SENSORS : Feed mechanisms : Carriage : Direction)

Patent 5250795: Feeble light measuring device
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Special photocell or electron tube circuits : Amplifier type : Light amplifier type : Vacuum tube type :)

Patent 5250796: Noise reduction system for optical record and reproduction apparatus using auto-power controlled semiconductor laser device
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Controlling light source intensity : Self-luminous target)

Patent 5250797: Exposure method and apparatus for controlling light pulse emission using determined exposure quantities and control parameters
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Controlling light source intensity : Self-luminous target)

Patent 5250798: Solid state image sensor device with microlenses
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive image detecting element arrays : With comparison)

Patent 5250799: Method for adapting the light intensity of the summation light to the external light
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Special photocell or electron tube circuits : Ambient light responsive : Light amplifier type)

Patent 5250800: Photo-electric integrated circuit device with opposite phase amplifiers into logic circuitry
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Special photocell or electron tube circuits : Amplifier type : With moving reticle in optical path)

Patent 5250801: Optical sensor for detecting articles in a monitored region and method for operating the same
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Controlled by article, person, or animal : Inanimate article : Conveyor or chute : Bottles :)

Patent 5250802: Fiber optic stress sensor for structural joints
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : Condition responsive light guide (e.g., light guide is physically affected by parameter sensed which results in light conveyed to the photocell) : With detection of macroscopic break in fiber : Vacuum tube type)

Patent 5250803: System for setting a document feeding apparatus for proper operation
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Controlled by article, person, or animal : Inanimate article : Conveyor or chute : Vacuum tube type)

Patent 5250804: Lost scan line detecting method and device for a handheld scanner having a lost line counter
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Means for moving optical system : Light chopper type)

Patent 5250805: Optical sensing technique providing built in test
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Hoods, grating, baffles, diaphragms, masks : Gratings (moire fringes) : Rotary motion)

Patent 5250806: Stand-off compensated formation measurements apparatus and method
(RADIANT ENERGY : GEOLOGICAL TESTING OR IRRADIATION : With drill or drilling :)

Patent 5250807: Sand detector
(RADIANT ENERGY : RADIATION TRACER METHODS : Radioactive tracer methods : Magnetic field path-bending means)

Patent 5250808: Integrated electron optical/differential pumping/imaging signal system for an environmental scanning electron microscope
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Electron probe type : Magnetic field path-bending means)

Patent 5250809: Method and device for checking joint of electronic component
(RADIANT ENERGY : INFRARED-TO-VISIBLE IMAGING : Including a light beam read-out)

Patent 5250810: Mid-infrared light hydrocarbon dial lidar
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With means to analyze uncontained fluent material : With a recirculation path)

Patent 5250811: Method for determining compositional information of a multilayer web
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With selection of plural discrete wavelengths or bands : With radiation source : With calibration steps in measurement process : Including Fourier transform infrared spectrometry)

Patent 5250812: Electron beam lithography using an aperture having an array of repeated unit patterns
(RADIANT ENERGY : IRRADIATION OF OBJECTS OR MATERIAL : Irradiation of semiconductor devices : With optical member of material to directly modify luminous energy)

Patent 5250813: Print paper detecting circuits with gain reduction
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : With indication of presence of material or feature : Determining range from detector)

Patent 5250814: Semiconductor light-emitting devices
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) : Heterojunction : Incoherent light emitter :)

Patent 5250815: Hot electron injector Gunn device with anode heat sink
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BULK EFFECT DEVICE : Intervalley transfer (e.g., Gunn effect) : In array)

Patent 5250816: Multichip system and method of supplying clock signal therefor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : In combination with or also constituting light responsive device : With specific housing or contact structure : Recrystallized semiconductor material)

Patent 5250817: Alkali barrier superconductor Josephson junction and circuit
(SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS : HIGH TEMPERATURE (TC GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING : Josephson junction, per se (e.g., point contact, bridge, barrier junction, SIS, SNS, SSS, etc.) or Josephson junction with only terminals or connect : Having optical waveguide)

Patent 5250818: Low temperature germanium-silicon on insulator thin-film transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : NON-SINGLE CRYSTAL, OR RECRYSTALLIZED, SEMICONDUCTOR MATERIAL FORMS PART OF ACTIVE JUNCTION (INCLUDING FIELD-INDUCED ACTIVE JUNCTION) : Field effect device in non-single crystal, or recrystallized, Semiconductor material : Amorphous semiconductor is alloy or contains material to change band gap (e.g., Si x Ge 1-x , SiN y ))

Patent 5250819: Light emitting device having stepped non-nucleation layer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : Plural light emitting devices (e.g., matrix, 7-segment array) : With means to facilitate electron-hole recombination (e.g., isoelectronic traps such as nitrogen in GaP))

Patent 5250820: Light emitting diode having uniform light distribution
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : With housing or contact structure : Plural heterojunctions in same device)

Patent 5250821: Electronic power device having plural elementary semiconductor components connected in parallel
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : With housing or external electrode : With large area flexible electrodes in press contact with opposite sides of active semiconductor chip and surrounded by an insulating element, (e.g., ring) : With malleable electrode (e.g., silver electrode layer))

Patent 5250822: Field effect transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Field effect transistor : Doping on side of heterojunction with lower carrier affinity (e.g., high electron mobility transistor (HEMT)) : Layer is a group III-V semiconductor compound)

Patent 5250823: Integrated CMOS gate-array circuit
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : GATE ARRAYS : Having specific type of active device (e.g., CMOS) : Particular layout of complementary FETs with regard to each other : Combined with diverse type device)

Patent 5250824: Ultra low-noise charge coupled device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Charge transfer device : Majority signal carrier (e.g., buried or bulk channel, or peristaltic) : Combined with diverse type device)

Patent 5250825: Smear supressing CCD imager
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Charge transfer device : Non-electrical input responsive (e.g., light responsive imager, input programmed by size of storage sites for use as a read-only memory, etc.) : 2-dimensional area architecture : Having alternating strips of sensor structures and register structures (e.g., interline imager) : Si x Ge 1-x)

Patent 5250826: Planar HBT-FET Device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : Junction field effect transistor in integrated circuit : With bipolar device : With Schottky barrier gate)

Patent 5250827: Semiconductor integrated circuit having a DRAM cell unit and a nonvolatile cell unit
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With ferroelectric material layer : Imaging array)

Patent 5250828: Structure of semiconductor memory device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Imaging array)

Patent 5250829: Double well substrate plate trench DRAM cell array
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Capacitor in trench : With shield, filter, or lens)

Patent 5250830: Dynamic type semiconductor memory device and its manufacturing method
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Capacitor in trench : Vertical transistor : Si x Ge 1-x)

Patent 5250831: DRAM device having a memory cell array of a divided bit line type
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Single crystal semiconductor layer on insulating substrate (SOI) : Substrate is single crystal insulator (e.g., sapphire or spinel) : Single crystal islands of semiconductor layer containing only one active device : Including means to eliminate island edge effects (e.g., insulating filling between islands, or ions in island edges) : Separate control electrodes for charging and for discharging floating electrode)

Patent 5250832: MOS type semiconductor memory device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Stacked capacitor : With means to insulate adjacent storage nodes (e.g., channel stops or field oxide))

Patent 5250833: Power transistor free from back gate bias effect and an integrated circuit device using the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Short channel insulated gate field effect transistor : Active channel region has a graded dopant concentration decreasing with distance from source region (e.g., double diffused device, DMOS transistor) : Gate electrode in groove)

Patent 5250834: Silicide interconnection with schottky barrier diode isolation
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Single crystal semiconductor layer on insulating substrate (SOI) : Insulated electrode device is combined with diverse type device (e.g., complementary MOSFETs, FET with resistor, etc.) : All contacts on same surface (e.g., lateral structure))

Patent 5250835: Field effect type thin film transistor having a plurality of gate electrodes
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Including lightly doped drain portion adjacent channel (e.g., lightly doped drain, LDD device) : With gate electrode of controlled workfunction material (e.g., low workfunction gate material))

Patent 5250836: Semiconductor device having silicon-on-insulator structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Including dielectric isolation means : High power or high voltage device extends completely through semiconductor substrate (e.g., backside collector contact))

Patent 5250837: Method for dielectrically isolating integrated circuits using doped oxide sidewalls
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Including dielectric isolation means : Combined with pn junction isolation (e.g., isoplanar, LOCOS) : Dielectric in groove : Including heavily doped channel stop region adjacent groove : With polycrystalline connecting region (e.g., polysilicon base contact))

Patent 5250838: Semiconductor device comprising an integrated circuit having a vertical bipolar transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With enlarged emitter area (e.g., power device) : Complementary transistors share common active region (e.g., integrated injection logic, I 2 L))

Patent 5250839: Multi-layer leadframes, electrically conductive plates used therefor and production of such conductive plates
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : On integrated circuit)

Patent 5250840: Semiconductor lead frame with a chip having bonding pads in a cross arrangement
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : On integrated circuit)

Patent 5250841: Semiconductor device with test-only leads
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : On integrated circuit)

Patent 5250842: Semiconductor devices using tab tape
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : On insulating carrier other than a printed circuit board : Details of insulating layer electrical charge (e.g., negative insulator layer charge))

Patent 5250843: Multichip integrated circuit modules
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With contact or lead : With particular lead geometry : Combined with channel stop region in semiconductor)

Patent 5250844: Multiple power/ground planes for tab
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With contact or lead : With particular lead geometry : External connection to housing : Fanned/radial leads : With polycrystalline connecting region (e.g., polysilicon base contact))

Patent 5250845: Totally enclosed hermetic electronic module
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Portion of housing of specific materials : With electrical isolation means)

Patent 5250846: Semiconductor device with multi-layer leads
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Layered : At least one layer of silicide or polycrystalline silicon : Multiple polysilicon layers : With polycrystalline connecting region (e.g., polysilicon base contact))

Patent 5250847: Stress isolating signal path for integrated circuits
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified configuration : Solder composition)

Patent 5250848: Solder interconnection structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Flip chip : Cross-over arrangement, component or structure)

Patent 5250849: Device for monitoring the closure of the opening points of a motor vehicle
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Series-connected)

Patent 5250850: Automotive light and wiper control circuit
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Lighting circuits : Ignition or starting circuit lock)

Patent 5250851: Video monitor support and power distribution assembly
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL LOAD CIRCUIT SYSTEMS : Selectively connected or controlled load circuits : Selective series-parallel connections)

Patent 5250852: Circuitry and method for latching a logic state
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Circuit having only two stable states (i.e., bistable) : Master-slave bistable latch : Complementary clock inputs)

Patent 5250853: Circuit configuration for generating a rest signal
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Reset (e.g., initializing, starting, stopping, etc.) : With particular tube or distributed parameter element)

Patent 5250854: Bitline pull-up circuit operable in a low-resistance test mode
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Impact ionization)

Patent 5250855: Fast logic circuits
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : ACCELERATING SWITCHING : Parasitic prevention in integrated circuit structure)

Patent 5250856: Differential input buffer-inverters and gates
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Bipolar and FET : Bi-CMOS : CMOS)

Patent 5250857: Dynamic logic circuit with reduced operating current
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Decoding : With field-effect transistor : MOSFET)

Patent 5250858: Double-edge triggered memory device and system
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Sequential (i.e., finite state machine) or with flip-flop : Field effect transistor)

Patent 5250859: Low power multifunction logic array
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : With flip-flop or sequential device : With clocking)

Patent 5250860: Three-level cascode differential current switch
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : THREE OR MORE ACTIVE LEVELS (E.G., TERNARY, QUATENARY, ETC.) : With conversion (e.g., three level to two level, etc.) : Complementary FET`s)

Patent 5250861: Superconductor electrical power generating system
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Piezoelectric elements and devices)

Patent 5250862: Minature motor with improved bearing retainers
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Miniature motors : Banding)

Patent 5250863: Motor and cooling means therefor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Cooling or fluid contact : Liquid coolant : Claw-tooth and printed circuit components)

Patent 5250864: AC generator for vehicles
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Cooling or fluid contact : Circulation : Claw-tooth and printed circuit components)

Patent 5250865: Electromagnetic thrust bearing for coupling a rotatable member to a stationary member
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Magnetic bearing : Impulse coupling)

Patent 5250866: Structure for fixing permanent magnets in motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Permanent magnet machines : Permanent magnet stator : Means for securing magnet : Spring clip : Split housing/yoke)

Patent 5250867: Permanent magnet brushless DC motor having reduced cogging
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Homopolar)

Patent 5250868: Piezoelectric effect device
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : On back of piezoelectric element)

Patent 5250869: Ultrasonic transducer
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : Acoustic wave type generator or receiver : Plural elements)

Patent 5250870: Ultra-thin surface mount crystal package
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Supported by elastic material : Sealed unit)

Patent 5250871: Low vibration sensitivity crystal resonator arrangement
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mounting or support means : Compensated air gap)

Patent 5250872: Discharge lamp unit having improved discharge tube mount
(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 5250873: Filament support for tubular lamp capsule
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH SUPPORT AND/OR SPACING STRUCTURE FOR ELECTRODE AND/OR SHIELD : For filament : Supports supported by opposed parts of envelope : Support structure supported by the envelope)

Patent 5250874: Socketless lamp with spring side contacts
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH ENVELOPE : Having base and connector : Base attached to the envelope with friction or other mechanical means : Resilient mechanical means for attaching the base to the envelope : Stem or envelope structure)

Patent 5250875: Electron gun for a cathode ray tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Plural beam generating or control : With focusing and accelerating electrodes : With studs)

Patent 5250876: Display tube and deflection unit suitable for such a display tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : With yoke : Electrostatic)

Patent 5250877: Method and apparatus for driving a gas discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH CATHODE OR CATHODE HEATER SUPPLY CIRCUIT : Pulsating or A.C. supply to the cathode or heater circuit : Automatic cut-out or voltage regulator in the cathode or heater circuit : Thermostatic switch in the series circuit)

Patent 5250878: CRT beam intensity correction system
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : With additional control of cathode ray : Intensity control of ray : For television)

Patent 5250879: Deflection circuit having a controllable sawtooth generator
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Deflection coil circuit : Including an amplifier : Coil-type circuit)

Patent 5250880: Linear motor control system and method
(ELECTRICITY: MOTIVE POWER SYSTEMS : LINEAR-MOVEMENT MOTORS : Energizing winding circuit control)

Patent 5250881: Hall effect motor control circuit and motor drive system using the same
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)

Patent 5250882: Sunshade open/close control devices for vehicular sun roofing apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) : Movement, position, or limit-of-travel : Plural sensing means for determining plural positions or plural limits-of travel : Electric generator tachometer)

Patent 5250883: Motor drive control apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : ARMATURE (OR PRIMARY) CIRCUIT CONTROL : Responsive to direction, inclination or angular position of bodies)

Patent 5250884: Drive controlling apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Power- or motion-transmitting mechanism)

Patent 5250885: Servo motor control device
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Power- or motion-transmitting mechanism)

Patent 5250886: Method of controlling robot and robot control apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : Maneuver, force, or load-limiting)

Patent 5250887: Feedback controller
(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 5250888: Apparatus for and process of rotating a display
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular "error-detecting" means : Photoelectric or optical-type measuring instruments : A.C. networks)

Patent 5250889: Variable reluctance resolver
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular "error-detecting" means : With particular position measuring instruments : Differential transformer systems : Resolver systems : Including display device)

Patent 5250890: Inverter control apparatus
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Frequency control : With voltage pulse time control : Pluse width modulation or chopping : Including inverter)

Patent 5250891: Battery charging method and apparatus
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : Pulsed : With DC-DC converter (e.g., flyback supply, etc.) : Time control)

Patent 5250892: Battery charge with temperature-sensitive cut-off switch
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Vehicle battery charging)

Patent 5250893: Digital voltmeter
(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 5250894: Current sensing system having electronic compensation circuits for conditioning the outputs of current sensors
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Magnetic saturation (e.g., in field or in amplifier) : Hall effect : Digital voltmeters)

Patent 5250895: Method of acceleration testing of reliability of LSI
(ELECTRICITY: MEASURING AND TESTING : PLURAL, AUTOMATICALLY SEQUENTIAL TESTS : Voltage probe)

Patent 5250896: Hand-held magnetic contact tachometer with toothed rotatable wheel
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including speed-related frequency generator : Including magnetic detector : Permanent magnet type : High voltage speed signal type)

Patent 5250897: Solenoid/slug gap measurement tool for semiconductor equipment and method of measurement
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Inductive : Electrically energized : Pulsating or alternating current for the anode)

Patent 5250898: Method and means for magnetic resonance imaging and spectroscopy using pulsed saturation transfer contrast
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5250899: Method for fat suppression in magnetic resonance imaging
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5250900: NMR investigation of repeated electromagnetic events
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)

Patent 5250901: Open architecture iron core electromagnet for MRI using superconductive winding
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)

Patent 5250902: Reduction of gradient coil interaction with room temperature shims
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Polarizing field magnet : With homogeneity control :)

Patent 5250903: Method and apparatus using oscillatory magnetic field to determine state of charge of an electrolytic storage cell
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a battery testing device : To determine ampere-hour charge capacity : With application of current or potential to the discharge control means)

Patent 5250904: Device for predicting imminent failure of a stationary lead acid battery in a float mode
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a battery testing device : To determine internal battery impedance : Including an integrating device)

Patent 5250905: Battery with electrochemical tester
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a battery testing device : Having particular meter scale or indicator : Including an integrating device)

Patent 5250906: Ionization gauge and method of using and calibrating same
(ELECTRICITY: MEASURING AND TESTING : USING IONIZATION EFFECTS : For monitoring pressure : Using thermionic emissions : With axially arranged electrodes)

Patent 5250907: Digital signal measurement apparatus
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Parameter related to the reproduction or fidelity of a signal affected by a circuit under test : Noise : Signal to noise ratio or noise figure : Field effect transistor)

Patent 5250908: Portable apparatus for testing multi-wire harnesses and electrical assemblies to identify wiring errors
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Multiconductor cable : Having a light or sound indicator : Field effect transistor)

Patent 5250909: Automatic fault detection system in electrical sensing circuit
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Multiconductor cable : Having a light or sound indicator : Field effect transistor)

Patent 5250910: Push-push oscillator having in-phase and anti-phase output combining circuits
(OSCILLATORS : PLURAL OSCILLATORS : Parallel connected : Diverse-type oscillators)

Patent 5250911: Single-ended and differential transistor amplifier circuits with full signal modulation compensation techniques which are technology
(AMPLIFIERS : HUM OR NOISE OR DISTORTION BUCKING INTRODUCED INTO SIGNAL CHANNEL : Electron tube or diode as impedance)

Patent 5250912: RF power amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including gain control means : Having particular biasing means : Having emitter degeneration)

Patent 5250913: Variable pulse width phase detector
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : With reference oscillator or source : Signal or phase comparator : With motor comparator)

Patent 5250914: Oscillation circuit operating with stable oscillation frequency at a specific low power-supply voltage
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Relaxation oscillator : Inductor controlled AFC)

Patent 5250915: Laminate type LC filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : Smoothing type (e.g., direct current power supply filters or decoupling filters) : With variable coupling means)

Patent 5250916: Multi-passband dielectric filter construction having filter portions with dissimilarly-sized resonators
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Coaxial : Tunable)

Patent 5250917: Equivalent inductance circuit
(WAVE TRANSMISSION LINES AND NETWORKS : NEGATIVE RESISTANCE OR REACTANCE NETWORKS OF THE ACTIVE TYPE : Simulating specific type of reactance : Waveguide)

Patent 5250918: Automatic miniature circuit breaker with Z-axis assemblage current response mechanism
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Automatic circuit-interrupting devices (e.g., circuit-protective devices) : With latch or trip means : Plural trips or combined operating means for single trip (e.g., magnetic with thermal) : Automatic combined with timing or delay means)

Patent 5250919: Electromagnetic relay
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : Simultaneously actuated : By pivotal or rockable armature : Reciprocating or linearly sliding)

Patent 5250920: Remote controlled relay
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : With housing or support means : Pivoted or relatively movable independently of the armature)

Patent 5250921: Field assembly for an electromagnet
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : With magnetic-hold control means (e.g., means to control the hold strength))

Patent 5250922: Transformer or reactor cooled by an insulating agent
(INDUCTOR DEVICES : WITH TEMPERATURE MODIFIER : Ventilating passages (e.g., by coil section or core part spacers) :)

Patent 5250923: Laminated chip common mode choke coil
(INDUCTOR DEVICES : CORE FORMS CASING : Movable with respect to another coil)

Patent 5250924: Power supply testing system for non-utility power generators and so on
(ELECTRICAL RESISTORS : WITH COOLING GAS OR LIQUID CIRCULATION : With cooling liquid circulation : Liquid resistance element circulates : Terminal forms casing or housing)

Patent 5250925: Package for speed sensing device having minimum air gap
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Magnetic field or compass (e.g., Hall effect type) : Mechanically adjustable or variable)

Patent 5250926: Potentiometer with improved seal
(ELECTRICAL RESISTORS : MECHANICALLY VARIABLE (E.G., RHEOSTAT) : Movable contact electrically adjustable over length of resistance element : Contact slides along in contact with element : Contact angularly slidable : Hermetically sealed housing :)

Patent 5250927: Inside mounting door stop and alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Door or window movement : Specified sensor : Rotatable sensor :)

Patent 5250928: Graphics decoder
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Color selection :)

Patent 5250929: Interactive overlay-driven computer display system
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Menu or selectable iconic array (e.g., palette) : Emphasis : Selection or confirmation emphasis : Contained object scale change)

Patent 5250930: Switching apparatus for electronic devices
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Trackball)

Patent 5250931: Active matrix panel having display and driver TFT's on the same substrate
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Physically integral with display elements : Having common base or substrate : Read/Write address generator)

Patent 5250932: Liquid crystal display device
(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 : Two terminal nonlinear switching device (e.g., N-I-N, S-I-S, Ferroelectric, etc.) : Varistor : With particular insulating layer)

Patent 5250933: Method and apparatus for the simultaneous display of one or more selected images
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Merge or overlay : Image based : Non-overlapping : Plural look up tables)

Patent 5250934: Method and apparatus for thinning printed images
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Anti-aliasing or image smoothing : Linear)

Patent 5250935: Waveform peak capture circuit for digital engine analyzer
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graph generating : Real-time waveform display : Image based (addressing))

Patent 5250936: Method for driving an independent sustain and address plasma display panel to prevent errant pixel erasures
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Fluid light emitter (e.g., gas, liquid, or plasma) : Having endless belt or tape reader)

Patent 5250937: Half tone liquid crystal display circuit with an A.C. voltage divider for drivers
(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) : Gray scale capability (e.g., halftone) : Including transformer)

Patent 5250938: Electrophoretic display panel having enhanced operation
(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 : Particle suspensions (e.g., electrophoretic) : Input/output liquid crystal display panel)

Patent 5250939: Drive apparatus for optical element array
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY DRIVING CONTROL CIRCUITRY : Addressing)

Patent 5250940: Multi-mode home terminal system that utilizes a single embedded general purpose/DSP processor and a single random access memory
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Shared memory : Interleaved)

Patent 5250941: Customer activity monitor
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Pulse responsive actuation : Serial : Counting : ID code)

Patent 5250942: Equipment and method for management of terminal identification number in communication system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Addressing : Designated priority)

Patent 5250943: GVT-NET--A Global Virtual Time Calculation Apparatus for Multi-Stage Networks
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Path selection : Channel selecting matrix : Plural stages : Conveyor belt)

Patent 5250944: Antenna and driving circuit for transmitting and receiving images to and from a passive transponder
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With particular transmitter (e.g., piezoelectric, dynamo) : Inductive transmitter : Pulse duration (e.g., pulse train))

Patent 5250945: School bus obstacle detection device
(COMMUNICATIONS: ELECTRICAL : EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM : With particular receiver (e.g., ratiometer))

Patent 5250946: Device for estimating the behavior of road-users
(COMMUNICATIONS: ELECTRICAL : VEHICLE DETECTORS : Speed and overspeed : Electromechanical movable auxiliary indicator)

Patent 5250947: Altitude tape for aircraft displays
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Nonalarm flight indicator : Indicator of at least four flight parameters (altitude, speed, etc.) : Magnetic field guide)

Patent 5250948: High level resolution enhancement for dual-range A/D conversion
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Increasing converter resolution (e.g., dithering) : Plural slope analog to digital converter)

Patent 5250949: System and method for data compression using multiple codewords and transmitted indices
(CODED DATA GENERATION OR CONVERSION : QUANTIZER : With rotary distributor)

Patent 5250950: Vehicle
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADIO WAVE ABSORBER : For aircraft or missile :)

Patent 5250951: Motor vehicle police radar detector for detecting multiple radar sources
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR EW (ELECTRONIC WARFARE) : Detection of surveilance : Radar reacts to jamming)

Patent 5250952: Method of correcting rotational motion error in SAR and ISAR imagery
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : SYNTHETIC APERTURE RADAR : Mapping or imaging using synthetic aperture radar (EPO) : Particular SAR processing techniques (e.g., squint mode, doppler beam-sharpening mode, spotlight mode, bistatic SAR, inverse SAR) (EPO) : By varying gain or blocking receiver)

Patent 5250953: Tracking radar systems
(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 5250954: Color-coded radar plan position indicator
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Display : Color : With CRT display)

Patent 5250955: State entry beacon system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : Land vehicle location (e.g., bus, police car : Having traffic control)

Patent 5250956: Print cartridge bidirectional alignment in carriage axis
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Measuring and testing (e.g., diagnostics) : With particular cooling means)

Patent 5250957: Method of detecting an ink residual quantity in an ink jet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of fluid (e.g., ink flow rate, viscosity, etc.) : Fluid content (e.g., moisture or solvent content, ink refilling, liquid level) :)

Patent 5250958: Thermal head and manufacturing method thereof
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Specific resistance recording element type : Heat resistance layer : Using pulse width modulation)

Patent 5250959: Electrophotographic image forming apparatus and method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Beam generator driving means : Laminated head including charged particle generation layer)

Patent 5250960: System and method employing multiple pulses per pixel to reproduce an image
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : By information carrying flow of invisible charged particles : Single head using light as exposure means)

Patent 5250961: Image forming apparatus with improved laser transmitting optical system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Specific optical structure : By varying dotting density)

Patent 5250962: Movable ink jet priming station
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Nozzle cap, cover, or protection : Movement :)

Patent 5250963: Imaging diode array and system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Light emitting diodes : Laminated head including charged particle generation layer)

Patent 5250964: Spectacle hinge having flange plates and resilient cup member
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Connectors : With particular hinge : With clamping arms)

Patent 5250965: Eyeball microscope having parallel slits moving across the optical path
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including illuminator : On rotary disc)

Patent 5250966: Ophthalmic photographing apparatus having a displacement measurement unit
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Objective type : Including eye photography : Having means to detect proper distance or alignment (i.e., eye to instrument) :)

Patent 5250967: Liquid crystal projector
(OPTICS: IMAGE PROJECTORS : UNITARY PLURAL REFRACTING SURFACES : Reflector between lamp and screen)

Patent 5250968: Image projecting unit
(OPTICS: IMAGE PROJECTORS : LENS SUPPORT : Lens position adjustable : Dissolve type)

Patent 5250969: Dustproof view finder
(PHOTOGRAPHY : WITH VIEWFINDER : Lens detail : Variable orientation of finder image)

Patent 5250970: Electronic flashing apparatus and camera system
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Variable illumination angle : Diaphragm function only)

Patent 5250971: Apparatus for stopping down diaphragm to an intermediate setting, upon setting diaphragm to a desired setting
(PHOTOGRAPHY : CAMERA DETAIL : Diaphragm : Diaphragm opens for focusing or viewing : Cable release)

Patent 5250972: Drop-in loading type camera
(PHOTOGRAPHY : CAMERA DETAIL : Body structure or housing : Rear door or latch detail : Having electrical contact detail)

Patent 5250973: Camera combination
(PHOTOGRAPHY : CAMERA DETAIL : Body structure or housing : Threaded mount)

Patent 5250974: Apparatus for supplying a film for use in an automatic developing machine
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having photographic medium feed : And cutting device : Having doctoring or wiper blade)

Patent 5250975: Apparatus for simultaneously processing plural webs of photosensitive material
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having photographic medium feed : And photographic medium immersed and removed : Strip type : Film in spaced spiral for processing)

Patent 5250976: Automatic focusing camera with control of focusing optical system position and driving power source velocity
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Lens drive circuit or motor structure : Speed control : Mirror type)

Patent 5250977: Electronic flash unit
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : With power supply detail : Having DC to DC converter : Indicating power source status)

Patent 5250978: Flashing device
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : With power supply detail : Having DC to DC converter : Indicating power source status)

Patent 5250979: Technique suited for use in fixed focus cameras for improving image quality for non-standard display sizes and/or different focal length
(PHOTOGRAPHY : FLASH SYSTEM RESPONSIVE TO FOCAL LENGTH OR DISTANCE : Camera release)

Patent 5250980: Slit scanning exposure apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Multicolor picture : And film severing)

Patent 5250981: Copier or scanner platen cover documents retainer
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Detailed holder for original : Including vacuum, fluid or spring pressure : Vertical optical path)

Patent 5250982: Apparatus and method of imaging UV-sensitive media
(PHOTOCOPYING : CONTACT PRINTING : Methods)

Patent 5250983: Photo reticle for fabricating a semiconductor device
(PHOTOCOPYING : CONTACT PRINTING : Frames : With diffusing or masking (e.g., vignetting) : Continuous running)

Patent 5250984: Image forming system including image forming apparatus which communicates with an IC card over a magnetic flux carrier
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Accounting : User access : Warmup or standby mode)

Patent 5250985: Image forming apparatus equipped with a binding function
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Electrostatic)

Patent 5250986: Peripheral unit control panel with smart key
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Variable key legends :)

Patent 5250987: Toner monitor to control development concentration and locate developer stations with respect to a stationary photo-conductor in an
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Plural diverse (e.g., color) : Plural applicators single position : Lock or clamp)

Patent 5250988: Electrophotographic apparatus having image control means
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Artificial intelligence : Single detector for plural toners)

Patent 5250989: Image forming apparatus having detachable process cartridge with protective transfer zone cover
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Color : Toner cartridge)

Patent 5250990: Image-bearing member for electrophotography and blade cleaning method
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Photoconductive member : To produce outline image)

Patent 5250991: Image forming apparatus including cleaning means for cleaning charging means
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Toner removal : Charging member (e.g., corona wire) : Concentration detection)

Patent 5250992: Image forming apparatus having sharp edged electrode
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Corona : Having case : Toner cartridge)

Patent 5250993: Connection between movable developer unit and stationary toner reservoir
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Seal : Developer seal : Elastic material : Optical detector)

Patent 5250994: Image forming apparatus having transfer member supporting member
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Electrical connection : Supplying power to charger)

Patent 5250995: Electrophotographic developing apparatus having image quality improving devices
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Having applied bias : By magnetic brush)

Patent 5250996: Method for fixing full color toner images
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : Color : Having copy medium guide)

Patent 5250997: Fine particle recovery device for recovering particles, such as toner, from a plurality of locations
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Toner removal : Having priority interrupt)

Patent 5250998: Fixing apparatus having two nip regions
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Continuous web : Cleaning member)

Patent 5250999: Image forming apparatus having transfer voltage and process speed control
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Color balance : Waste toner container)

Patent 5251000: Apparatus for measuring a distance between two running vehicles using light wave
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of CW phase delay : Having specific IF mixing of returns : Including an alternating reference path)

Patent 5251001: Reflected optical power fiber test system
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)

Patent 5251002: Mode transition matrix measuring system
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)

Patent 5251003: Device for monitoring of alignment of two optical paths and laser designation system equipped with such a monitoring device
(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 : With source beam moving to follow or align)

Patent 5251004: Integrating sphere power meter
(OPTICS: MEASURING AND TESTING : PHOTOMETERS : Integrating spheres : Absorber continuously variable (e.g., wedge))

Patent 5251005: Burner usable in an apparatus for analyzing a gas composition by flame spectrophotometry
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With sample excitation (e.g., burning) : By flame : Including sputtering)

Patent 5251006: Automatic spectrophotometer calibration system
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrophotometer (i.e., plural beam) : By light)

Patent 5251007: Dual-beam spectrometer
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrophotometer (i.e., plural beam) : By light)

Patent 5251008: Fourier transform spectroscopy and spectrometer
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Spectroscopy : Using plural photocells)

Patent 5251009: Interferometric measuring arrangement for refractive index measurements in capillary tubes
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For refractive indexing : Contour or profile)

Patent 5251010: Optical roller wave gauge
(OPTICS: MEASURING AND TESTING : SHAPE OR SURFACE CONFIGURATION : Silhouette : Scan)

Patent 5251011: Displacement detection system
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Focus : Position of detected arrangement relative to projected beam)

Patent 5251012: Electro-optical scanner
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Position transverse to viewing axis : Having scale or grid : Coded scale : Moire)

Patent 5251013: Vehicle straightener measuring unit, measuring apparatus reliant on reflected beam(s), and source, targets and method
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Position transverse to viewing axis : Position of detected arrangement relative to projected beam : Moire)

Patent 5251014: Circuit for detecting phase error of color burst signal
(TELEVISION : SYNCHRONIZATION : Phase locking regenerated subcarrier to color burst : With line rate switch (e.g., SECAM))

Patent 5251015: Apparatus for positioning a timing signal relative to a synchronization signal derived in the deflection section of a television system
(TELEVISION : SYNCHRONIZATION : Phase locking regenerated subcarrier to color burst : Burst gate : Dot sequential)

Patent 5251016: Chroma keyer with secondary hue selector
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Foreground/background insertion : Including hue detection (e.g., chroma key) : Different mode during vertical blanking)

Patent 5251017: Gamma correction circuit for an analog video signal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Gray scale transformation : Nonlinear amplitude modification (e.g., gamma) : Including frame or field delays)

Patent 5251018: Color signal contour compensator for matching the rise times of color and luminance signals of a video signal to produce sharper images
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : With transition or edge sharpening (e.g., aperture correction) : Color TV : In charge coupled type sensor)

Patent 5251019: Solid state color image sensor using a field-staggered color filter pattern
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With single image scanning device supplying plural color signals : Solid-state multicolor image sensor : With color filter or operation according to color filter : Staggered or irregular elements : Plural bias illuminators)

Patent 5251020: Color image communication apparatus capable of transmitting or receiving a color expression form
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)

Patent 5251021: Color sequential scanner incorporating a synchronized variable exposure shutter
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)

Patent 5251022: Method of and apparatus for producing overlapping image area
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Toner removal : Transfer member : Concentration detection)

Patent 5251023: Image processing method including means for judging a chromatic portion of an image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Black signal synthesis : With memory for storage of conversion data)

Patent 5251024: Image reader using CCD line sensors
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color photography previewer : With memory for storage of conversion data)

Patent 5251025: Electronic video dental camera
(TELEVISION : SPECIAL APPLICATIONS : With endoscope : Dental : Separation by color (i.e., anaglyphic))

Patent 5251026: Interfield interpolating apparatus having a vertical/horizontal motion compsensating function
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : For removal of low amplitude random noise (e.g., variable bandwidth) : Averaging type : Using frame or field delays (e.g., motion adaptive) : Window signal generator (e.g., rectangle))

Patent 5251027: Telephoto sensor trigger in a solid state motion analysis system
(TELEVISION : SLOW SCANNING TRANSMISSION (E.G., STILL FRAME) : User positioning (e.g., parallax))

Patent 5251028: Apparatus for reducing quantization artifacts in an interframe hybrid coding system with motion compensation
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Involving hybrid transform and difference coding : Subband encoding (e.g., low horizontal/low vertical frequency, low horizontal/high vertical frequency))

Patent 5251029: Image encoding apparatus
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)

 

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