|
Patent 5581080: Method for determining molecular weight using multiply charged ions
(RADIANT ENERGY : IONIC SEPARATION OR ANALYSIS : Methods : Plural detectors)
Patent 5581081: Method and apparatus for direct coupling of liquid chromatograph and mass spectrometer, liquid chromatograph-mass spectrometry, and liquid
(RADIANT ENERGY : IONIC SEPARATION OR ANALYSIS : With sample supply means : With time-of-flight indicator)
Patent 5581082: Combined scanning probe and scanning energy microscope
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Radioactive tracer methods)
Patent 5581083: Method for fabricating a sensor on a probe tip used for atomic force microscopy and the like
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Radioactive tracer methods)
Patent 5581084: Simultaneous two color IR detector having common middle layer metallic contact
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : Semiconducting type : With a recirculation path)
Patent 5581085: Infrared microspectrometer accessory
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With selection of plural discrete wavelengths or bands : With radiation source : Including spectrometer or spectrophotometer :)
Patent 5581086: Infrared light chamber for fluid measurement
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With means to transmission-test contained fluent material : Locating infrared emissive objects)
Patent 5581087: Radiation detector
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Semiconductor system : Scintillation system : X-ray or gamma-ray system)
Patent 5581088: Specimen-holding device for electron microscope
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Analyte supports : Magnetic field path-bending means)
Patent 5581089: Apparatus and method for inspecting a reticle for color centers
(RADIANT ENERGY : LUMINOPHOR IRRADIATION : With ultraviolet source : Source and object encasement (e.g., sterilizers))
Patent 5581090: Photochromic ultraviolet detector
(RADIANT ENERGY : INVISIBLE RADIATION RESPONSIVE NONELECTRIC SIGNALLING : Optical change type : Reticles, gun sights or with optical element)
Patent 5581091: Nanoelectric 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) : Intervalley transfer (e.g., Gunn effect))
Patent 5581092: Gate insulated semiconductor device
(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) : Non-single crystal, or recrystallized, material containing non-dopant additive, or alloy of semiconductor materials (e.g., Ge x Si 1- x, polycrystalline silicon with dangling bond modifier) : Amorphous semiconductor is alloy or contains material to change band gap (e.g., Si x Ge 1-x , SiN y ))
Patent 5581093: Contact structure of an interconnection layer for a semiconductor device and a multilayer interconnection SRAM
(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 : In combination with device formed in single crystal semiconductor material (e.g., stacked FETs) : With heavily doped regions contacting amorphous semiconductor material (e.g., heavily doped source and drain))
Patent 5581094: Photodetector, a photodector array comprising photodetectors, an object detector comprising the photodetecter array and an object detecting
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : In combination with or also constituting light responsive device : In array having structure for use as imager or display, or with transparent electrode)
Patent 5581095: Bidirectional shockley diode having overlapping emitter regions
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Having only two terminals and no control electrode (gate), e.g., Shockley diode : More than four semiconductor layers of alternating conductivity types (e.g., pnpnpn structure, 5 layer bidirectional diacs, etc.) : More than two heterojunctions in same device)
Patent 5581096: Integrated semiconductor device having a thyristor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Lateral structure : With a turn-off diode)
Patent 5581097: Method of fabricating semiconductor device using shared contact hole masks and semiconductor device using same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : GATE ARRAYS : With particular signal path connections : Particular layout of complementary FETs with regard to each other)
Patent 5581098: Circuit routing structure using fewer variable masks
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : GATE ARRAYS : With particular signal path connections : Multi-level metallization : Combined with diverse type device)
Patent 5581099: CCD solid state image device which has a semiconductor substrate with a P-type region with an N-type region formed therein by injection of
(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) : Responsive to non-electrical external signal (e.g., imager) : Along the length of the channel (e.g., doping variations for transfer directionality))
Patent 5581100: Trench depletion MOSFET
(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 : Gate controls vertical charge flow portion of channel (e.g., VMOS device) : Gate electrode in groove : Plural gate electrodes or grid shaped gate electrode : Separate control electrodes for charging and for discharging floating electrode)
Patent 5581101: FET and/or bipolar devices formed in thin vertical silicon on insulator (SOI) structures
(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) : Gate electrode overlaps the source or drain by no more than depth of source or drain (e.g., self-aligned gate))
Patent 5581102: Transistor and method for manufacturing the same
(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) : Gate electrode overlaps the source or drain by no more than depth of source or drain (e.g., self-aligned gate))
Patent 5581103: Semiconductor integrated circuit device with input-protecting circuit
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With overvoltage protective means : Substrate is single crystal insulator (e.g., sapphire or spinel))
Patent 5581104: Static discharge circuit having low breakdown voltage bipolar clamp
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With overvoltage protective means : Substrate is single crystal insulator (e.g., sapphire or spinel))
Patent 5581105: CMOS input buffer with NMOS gate coupled to V.sub.SS through undoped gate poly resistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : Complementary insulated gate field effect transistors : Including resistor element)
Patent 5581106: Semiconductor memory cell having information storage transistor and switching transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : Complementary insulated gate field effect transistors : Including resistor element)
Patent 5581107: Nonvolatile semiconductor memory that eases the dielectric strength requirements
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : Insulated gate field effect transistors of different threshold voltages in same integrated circuit (e.g., enhancement and depletion mode) : Selected groups of complete field effect devices having different threshold voltages (e.g., different channel dopant concentrations))
Patent 5581108: Optical Switching device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Electromagnetic or particle radiation : Light : Schottky barrier (e.g., a transparent Schottky metallic layer or a Schottky barrier containing at least one of indium or tin (e.g., SnO 2 , indium tin oxide)) : With particular contact geometry (e.g., ring or grid) : Schottky metallic layer is a silicide)
Patent 5581109: Semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : With contact or metallization configuration to reduce parasitic coupling (e.g., separate ground pads for different parts of integrated circuit) : High power or high voltage device extends completely through semiconductor substrate (e.g., backside collector contact))
Patent 5581110: Integrated circuit with trenches and an oxygen barrier layer
(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 : Vertical walled groove : Complementary devices share common active region (e.g., integrated injection logic, I 2 L))
Patent 5581111: Dielectric-polysilicon-dielectric antifuse for field programmable logic applications
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Passive components in ICs : Including programmable passive component (e.g., fuse) : Anti-fuse : Sides of grooves along major crystal planes (e.g., (111), (100) planes, etc.))
Patent 5581112: Lateral bipolar transistor having buried base contact
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Lateral bipolar transistor structure : With bipolar transistor structure)
Patent 5581114: Self-aligned polysilicon base contact in a bipolar junction transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With specified electrode means : Including polycrystalline semiconductor as connection : With current ballasting means (e.g., emitter ballasting resistors or base current ballasting means))
Patent 5581115: Bipolar transistors using isolated selective doping to improve performance characteristics
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With base region having specified doping concentration profile or specified configuration (e.g., inactive base more heavily doped than active base or base region has constant doping concentration portion (e.g., epitaxial base)) : Including polycrystalline semiconductor as connection)
Patent 5581116: Semiconductor device manufactured by selectively controlling growth of an epitaxial layer without a mask
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : PHYSICAL CONFIGURATION OF SEMICONDUCTOR (E.G., MESA, BEVEL, GROOVE, ETC.) : Mesa structure (e.g., including undercut or stepped mesa configuration or having constant slope taper) : Deep level dopant other than gold or platinum)
Patent 5581117: Si base substrate covered by a CdTe or Cd-rich CdZnTe layer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : PHYSICAL CONFIGURATION OF SEMICONDUCTOR (E.G., MESA, BEVEL, GROOVE, ETC.) : With specified crystal plane or axis : Combined with passivating coating)
Patent 5581118: Electronic surface mount device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : On integrated circuit)
Patent 5581119: IC having heat spreader attached by glob-topping
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : With structure for mounting semiconductor chip to lead frame (e.g., configuration of die bonding flag, absence of a die bonding flag, recess for LED) : Of insulating material)
Patent 5581120: Semiconductor device card system
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Smart (e.g., credit) card package : Of insulating material)
Patent 5581121: Warp-resistant ultra-thin integrated circuit package
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With semiconductor element forming part (e.g., base, of housing) : For erasing EPROM)
Patent 5581122: Packaging assembly with consolidated common voltage connections for integrated circuits
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With contact or lead : Having power distribution means (e.g., bus structure) : Combined with channel stop region in semiconductor)
Patent 5581123: Semiconductor device and its manufacturing method
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With contact or lead : With specific electrical feedthrough structure : External connection to housing)
Patent 5581124: Semiconductor device having wiring and contact structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Layered : Multiple metal levels on semiconductor, separated by insulating layer (e.g., multiple level metallization for integrated circuit) : Silicide of refractory or platinum group metal)
Patent 5581125: Interconnect for semiconductor devices and method for fabricating same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Resistive to electromigration or diffusion of the contact or lead material : At least one layer containing chromium or nickel)
Patent 5581126: Interlaced layout configuration for differential pairs of interconnect lines
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified configuration : Cross-over arrangement, component or structure : Molybdenum, tungsten, or titanium or their silicides)
Patent 5581127: IC memory card, host device and connecting system of IC memory card and host device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Smart (e.g., credit) card package : Of insulating material)
Patent 5581128: Gas-turbine and steam-turbine based electric power generation system with an additional auxiliary steam turbine to compensate load
(PRIME-MOVER DYNAMO PLANTS : PLURAL PRIME MOVER : Plural prime movers with fluid interconnection :)
Patent 5581129: Automatic MFD kickout switch
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Different voltages)
Patent 5581130: Circuit board for the control and/or power supply of electrical function devices of a vehicle
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Series-connected)
Patent 5581131: Electronic distributor ignition device for internal combustion engines
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Ignition or starter circuits : Ignition or starting circuit lock)
Patent 5581132: Peak demand limiter and sequencer
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL LOAD CIRCUIT SYSTEMS : Selectively connected or controlled load circuits : Selective series-parallel connections)
Patent 5581133: Combination transfer and bypass isolation switch utilizing drawout protective devices and key interlocks
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Substitute or emergency source : Serially connected sources)
Patent 5581134: Bypass switch for RF networks
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Repetitive make and break : Miscellaneous : Responsive to physical condition)
Patent 5581135: Superconducting motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Cooling or fluid contact : Step-by-step)
Patent 5581136: Auxiliary magnetic motor (AMM)
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Inbuilt or incorporated unit : Heat-exchange structure)
Patent 5581137: Motor multiple switches and circuitry
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Electric circuit elements : Bicycle-hub generators)
Patent 5581138: Compact motor with speed reducing mechanism
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Drive mechanism : Motion conversion : Gearing : Ignition systems)
Patent 5581139: Magnetic hysteresis clutch
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Torque-transmitting clutches or brakes : Magnetic field type : Induced or eddy current type : Impulse coupling)
Patent 5581140: Permanent magnetic rotor and producing apparatus of the same
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Permanent magnet machines : Permanent magnet rotor : Pole shoes/pole pieces : Radial flux path and radially positioned pole shoes : Embedded in a core : With an integral wedge)
Patent 5581141: Surface acoustic wave filter
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Surface acoustic wave devices : Interdigitated electrodes : Grating or reflector in wave path :)
Patent 5581142: Vibration control device for safely induced vibration of gyroscopes
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Electrical systems : Input circuit for simultaneous electrical and mechanical output from piezoelectric element : Grating or reflector in wave path)
Patent 5581143: Twist vibrator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : Shear or torsional type : Plural elements)
Patent 5581144: Miniature, high efficiency dual frequency ultrasonic transducer with selectable beamwidth and apparatus
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Piezoelectric element shape : Circular disc, ring, or cylinder : More than one poling direction (e.g., Rosen transformer))
Patent 5581145: Spark plug
(ELECTRIC LAMP AND DISCHARGE DEVICES : SPARK PLUGS : Particular electrode structure or spacing : Non-shortest line spark and surface spark type)
Patent 5581146: Micropoint cathode electron source with a focusing electrode
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGE DEVICES HAVING A MULTIPOINTED OR SERRATED EDGE ELECTRODE : Discharge control electrode)
Patent 5581147: Electron gun body for a color cathode ray tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Plural beam generating or control : With focusing and accelerating electrodes : With studs)
Patent 5581148: Flat type image display apparatus and fabrication method therefor
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : Electrode structure or material : With shield or additional electrode : Brillouin beam type)
Patent 5581149: Display tube for light source
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : Envelope structure or material : With shield or additional electrode)
Patent 5581150: TFEL device with injection layer
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Solid-state type : Plural layers : With dielectric layer : With shield or additional electrode)
Patent 5581151: Photomultiplier apparatus having a multi-layer unitary ceramic housing
(ELECTRIC LAMP AND DISCHARGE DEVICES : PHOTOSENSITIVE : Having photocathode on tube wall : Having plural dynodes)
Patent 5581152: Dielectric barrier discharge lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Envelope with particular structure : Cathode or anode)
Patent 5581153: Electron beam tube having resonant cavity circuit with selectively adjustable coupling arrangement
(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 5581154: Resistive wall klystron amplifier
(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 hollow devices : By magnetic field)
Patent 5581155: Plasma accelerator with closed electron drift
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Plasma generating : Automatic cut-out or voltage regulator in the cathode or heater circuit)
Patent 5581156: HF sustained, DC discharge driven negative ion source with automatic control system
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE : Electron or ion source : With magnetic field)
Patent 5581157: Discharge lamps and methods for making discharge lamps
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH LOAD DEVICE TEMPERATURE MODIFIER : Automatic control of the temperature modifier : Automatic cut-out or voltage regulator for the heater circuit)
Patent 5581158: Lamp brightness control circuit with ambient light compensation
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH RADIANT ENERGY SENSITIVE CONTROL MEANS : Plural cathode and/or anode discharge device load)
Patent 5581159: Back-to-back diode current regulator for field emission display
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL POWER SUPPLIES : Plural cathode and/or anode load device : Diverse type current supplies)
Patent 5581160: Method and apparatus for lighting an EL element
(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 5581161: DC coupled electronic ballast with a larger DC and smaller AC signal
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Automatic regulation : Plural field-type generator)
Patent 5581162: CRT display
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Including color convergence control : Including core or winding structure : Parabolic waveform)
Patent 5581163: Generator of periodic signals
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : With ray deflection distortion correction or reduction : By modulation of deflection waveform : Adjacent to or integral with deflection winding or housing structure therefor)
Patent 5581164: Keystone description correcting circuit using high voltage correction circuit and feedback from the vertical deflection coil
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : With ray deflection distortion correction or reduction : By modulation of deflection waveform : Adjacent to or integral with deflection winding or housing structure therefor)
Patent 5581165: Device for controlling rotational direction of a direct current motor and applying brake thereto
(ELECTRICITY: MOTIVE POWER SYSTEMS : PLURAL DIVERSE MOTOR CONTROLS : Motor-reversing : With braking : And acceleration control)
Patent 5581166: Industrial robot with servo
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : With program recording or composing means : Multifunction manipulator (i.e., Robot) : With particular compensation (e.g., gain, offset, etc.) : Including end effector (e.g., gripping jaw, micromanipulator, etc.))
Patent 5581167: Flexible servo control method
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : "Reset" systems (P.I.) : Phase comparison)
Patent 5581168: Starter/generator system with DC link current control
(ELECTRICITY: MOTIVE POWER SYSTEMS : SYNCHRONOUS MOTOR SYSTEMS : Armature winding circuits : Having variable frequency supply : Speed responsive field power sources)
Patent 5581169: Apparatus used with an inverter/converter eliminating unintended voltage pulses
(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 5581170: Battery protector
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : SERIALLY CONNECTED BATTERIES OR CELLS : For handheld device)
Patent 5581171: Electric vehicle battery charger
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : Regulated discharging)
Patent 5581172: Apparatus for controlling output of vehicular AC generator
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS : Voltage of generator or circuit supplied : Including an electrical condition)
Patent 5581173: Microcontroller-based tap changer controller employing half-wave digitization of A.C. signals
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a transformer or inductor as the final control device : Having a variable length winding (e.g., tapped) as the final control device : With motor driven tap switch : Including an electronic tube or a three or more terminal semiconductive device in control circuit :)
Patent 5581174: Band-gap reference current source with compensation for saturation current spread of bipolar transistors
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : Including parallel paths (e.g., current mirror) : With amplifier connected to or between current paths : In flyback path)
Patent 5581175: Digital tester with probe storage features
(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 5581176: Analog autonomous test bus framework for testing integrated circuits on a printed circuit board
(ELECTRICITY: MEASURING AND TESTING : MISCELLANEOUS : Combined)
Patent 5581177: Shaping ATE bursts, particularly in gallium arsenide
(ELECTRICITY: MEASURING AND TESTING : MISCELLANEOUS : Combined)
Patent 5581178: Method of and device for contactless measurement of rotary speed of direct current motor by forming autocorrelation sequence
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including motor current or voltage sensor : Including radiant energy detector)
Patent 5581179: Hall-effect ferrous-article-proximity sensor assembly
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Hall effect : Electrically energized)
Patent 5581180: Horizontal and vertical displacement detector of wire rope
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Using thermionic emission)
Patent 5581181: Grase MRI with read gradient polarity correction and T.sub.2 measurement
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5581182: Method and apparatus for broadband decoupling in nuclear magnetic resonance with chirp pulses
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5581183: Method for the operation of a magnetic resonance apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5581184: Method for phase correction of nuclear magnetic resonance signals
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5581185: Torque-balanced gradient coils for magnetic resonance imaging
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)
Patent 5581186: Bird cage resonator for high resolution nuclear magnetic resonance
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)
Patent 5581187: Actively shielded planar gradient coil for pole plate magnets of a magnetic resonance imaging apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)
Patent 5581188: Misfire detecting device
(ELECTRICITY: MEASURING AND TESTING : INTERNAL-COMBUSTION ENGINE IGNITION SYSTEM OR DEVICE : Coil : Condenser)
Patent 5581189: Water purity testing system having reversing polarity
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a conductivity determining device : Including probe structure)
Patent 5581190: Method and apparatus for testing RF devices
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : With auxiliary means to condition stimulus/response signals : For response signal evaluation or processing : Including marker signal generator circuit)
Patent 5581191: Microwave densitometer
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : With a resonant cavity)
Patent 5581192: Conductive liquid compositions and electrical circuit protection devices comprising conductive liquid compositions
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : Device or apparatus determines conductivity effects : For temperature variation)
Patent 5581193: Multiple source and detection frequencies in detecting threshold phenomena associated with and/or atomic or molecular spectra
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : System sensing fields adjacent device under test (DUT) : Using time measuring)
Patent 5581194: Method and apparatus for passive optical characterization of semiconductor substrates subjected to high energy (MEV) ion
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : System sensing fields adjacent device under test (DUT) : Using light probe : Of reflected test signal)
Patent 5581195: Semiconductor chip holding device
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Internal of or on support for device under test (DUT) : Of reflected test signal)
Patent 5581197: Method of programming a desired source resistance for a driver stage
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Bus or line termination (e.g., clamping, impedance matching, etc.) : With field effect-transistor)
Patent 5581198: Shadow DRAM for programmable logic devices
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Having details of setting or programming of interconnections or logic functions : With field effect-transistor)
Patent 5581199: Interconnect architecture for field programmable gate array using variable length conductors
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : Significant integrated structure, layout, or layout interconnections : With clocking)
Patent 5581200: Stored and combinational logic function generator without dedicated storage elements
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : Significant integrated structure, layout, or layout interconnections : With clocking)
Patent 5581201: Apparatus for unit control and presence detection
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : TRI-STATE (I.E., HIGH IMPEDANCE AS THIRD STATE) : With field-effect transistor)
Patent 5581202: Semiconductor integrated circuit device and production method thereof
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNIFICANT INTEGRATED STRUCTURE, LAYOUT, OR LAYOUT INTERCONNECTIONS : Field-effect transistor)
Patent 5581203: Semiconductor read-only VLSI memory
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By phase : Comparison between plural inputs (e.g., phase angle indication, lead-lag discriminator, etc.) :)
Patent 5581204: Pulse width measurement circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By pulse width or spacing : Opposite polarity)
Patent 5581205: Semiconductor device capable of assembling adjacent sub chips into one chip
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Frequency detection)
Patent 5581206: Power level detection circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : Reset (e.g., initializing, starting, stopping, etc.) : Responsive to power supply : Selective)
Patent 5581207: Synchronous delay line
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Producing AC power control)
Patent 5581208: Switching arrangement in motor vehicles for the timed switching-on of inductive consuming devices
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Signal transmission integrity or spurious noise override : Turn-off)
Patent 5581209: Adjustable current source
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : With specific source of supply or bias voltage : Stabilized (e.g., compensated, regulated, maintained, etc.) : Having stabilized bias or power supply level)
Patent 5581210: Analog multiplier using an octotail cell or a quadritail cell
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : Combining of plural signals : With vacuum tube)
Patent 5581211: Squaring circuit capable of widening a range of an input voltage
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : Combining of plural signals : Product : RMS)
Patent 5581212: Fully differential CMOS transconductance-transimpedance wide-band amplifier
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having field effect transistor :)
Patent 5581213: Variable gain amplifier circuit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including gain control means : Having feedback means acting as variable impedance : With time constant means)
Patent 5581214: Phase-locked loop circuit
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Tuning compensation : Motor control of oscillator)
Patent 5581215: Voltage controlled oscillator having frequency and amplitude controlling loops
(OSCILLATORS : POLYPHASE OUTPUT : With particular signal combining means (e.g., cavity mixer))
Patent 5581216: Low jitter voltage controlled oscillator (VCO) circuit
(OSCILLATORS : RING OSCILLATORS : Parallel connected)
Patent 5581217: Microwave shielding structures comprising parallel-plate waveguide
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINE ELEMENTS AND COMPONENTS : Strip type : Including spaced, electrically compensated, internal support means)
Patent 5581218: Circuit breaker
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Automatic circuit-interrupting devices (e.g., circuit-protective devices) : With switch condition signalling, indicating or alarm means : Magnetic or electrodynamic (e.g., blowon or blowoff))
Patent 5581219: Circuit breaker
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : With adjustable, replaceable or interchangeable structural features : By reciprocating armature)
Patent 5581220: Variable profile superconducting magnetic coil
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Superconductive type : With coil structure)
Patent 5581221: Electrophotographic image forming apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Of plural processes : Having detection of toner (e.g., patch) : By concentration detector)
Patent 5581222: Solenoid valve assembly with rapid connection clip
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With casing or enclosure : Pivot support type armature-mounting means)
Patent 5581223: Superconducting magnet
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : With electric- or magnetic-shielding means : With cooling means)
Patent 5581224: Choke coil for eliminating common mode noise and differential mode noise
(INDUCTOR DEVICES : PLURAL PART CORE : Coil on a preformed suport or mount)
Patent 5581225: One-piece female blade fuse with housing
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Fusible link or element structure or material : With particular geometrical shape or configuration : Rotary selector means)
Patent 5581226: High pressure sensor structure and method
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Fluid- or gas pressure-actuated : Diaphragm : Terminal forms casing or housing)
Patent 5581227: Hybrid circuit having ceramic strip to increase loading capacity
(ELECTRICAL RESISTORS : WITH HEAT DISSIPATING PROJECTIONS (E.G., VANES) : Force-actuated)
Patent 5581228: Digital signal comparison circuit in a performance monitoring and test system
(COMMUNICATIONS: ELECTRICAL : DIGITAL COMPARATOR SYSTEMS : Electromagnetically actuated mechanical signal)
Patent 5581229: Communication system for a power distribution line
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal over power line : Modulation technique : With independent manual controller)
Patent 5581230: Illuminated door handle assembly
(COMMUNICATIONS: ELECTRICAL : SYSTEMS : Signal light systems : Intermittent)
Patent 5581231: Anti-theft protection system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including particular position/direction sensor)
Patent 5581232: Ultrasonic wave reception apparatus and obstacle detection apparatus
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of relative distance from an obstacle : Including keyless entry)
Patent 5581233: Vehicle door lock, shift lever interlock system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Reminder : Wear)
Patent 5581234: Infant vehicle seat alarm system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Reminder : Of seat belt application : Inductive)
Patent 5581235: Turn signal control system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : External signal light system : Turn signal : With automatic cancelling : By predetermined time interval or distance : Specifying particular start/destination)
Patent 5581236: Methods and apparatus for intrusion detection having improved immunity to false alarms
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Alarm system supervision : Threshold or window (e.g., of analog electrical level) : Vertical axis)
Patent 5581237: Microwave intrusion detector with threshold adjustment in response to periodic signals
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Disturbance of electromagnetic waves : Doppler effect : Inertia-type sensor (e.g., mercury or pendulum switch))
Patent 5581238: Pacifier with fever heat alarm device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))
Patent 5581239: Wake-up device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Sleep : Specified device housing or attachment means)
Patent 5581240: Process and system for controlling a windshield wiper, particulary for a motor vehicle
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Meteorological condition : Moisture or humidity (e.g., rain) : Bridge circuit)
Patent 5581241: Ultra-sensitive smoke detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Particle suspension in fluid : Smoke : Photoelectric : Pivoted arm)
Patent 5581242: Automatic alarm display processing system in plant
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specified indicator structure : Information display : Diverse)
Patent 5581243: Method and apparatus for displaying simulated keyboards on touch-sensitive displays
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Touch panel : Having programmable function key)
Patent 5581244: Paging message processing
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Power control or battery saving : Based on received signal : Address based : Using additional record or carrier code)
Patent 5581245: Paging system control apparatus
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Paging terminal (i.e., element prior to the transmitter) : Multiple transmitters)
Patent 5581246: Multiple device control system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Pulse responsive actuation : Printout or display)
Patent 5581247: Fast technique for converting sampled analog measurements of a physical quantity to values expressed in engineering unit format
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Using a particular modulation (e.g., phase, frequency, or amplitude) : Pulse : Analog to digital function converter :)
Patent 5581248: Embeddable device for contactless interrogation of sensors for smart structures
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With particular transmitter (e.g., piezoelectric, dynamo) : Inductive transmitter : Pulse duration (e.g., pulse train))
Patent 5581249: Mobile communication system
(COMMUNICATIONS: ELECTRICAL : TRAFFIC CONTROL INDICATOR : Combined (e.g., toll systems, one-way) : Rotating cam structure (specific structure required))
Patent 5581250: Visual collision avoidance system for unmanned aerial vehicles
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Potential collision with other aircraft : Particular energy guide source (e.g., sound, electric field, radio))
Patent 5581251: High visibility lightpipe in close proximity to function key
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)
Patent 5581252: Analog-to-digital conversion using comparator coupled capacitor digital-to-analog converters
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5581253: Implementation and method for a digital sigma-delta modulator
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5581254: Electric motor control chip and method
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using ladder network)
Patent 5581255: Embedded subranging analog to digital converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Coarse and fine conversions : With rollover feature (i.e., antidoublestrike))
Patent 5581256: Range gated strip proximity sensor
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : PRESENCE DETECTION ONLY : Ground based (EPO))
Patent 5581257: Radio frequency automatic identification system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Radar transponder only : Distance measuring equipment (DME))
Patent 5581258: Portable antenna controller
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : TESTING OR CALIBRATING OF RADAR SYSTEM : MTI (Moving target indicator))
Patent 5581259: Life for old maps
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : By computer : Having a moving antenna)
Patent 5581260: Angular diversity/spaced diversity cellular antennas and methods
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a switch : Controlled)
Patent 5581261: Communication configurator and method for implementing same
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : Difference of each antenna channel signal)
Patent 5581262: Surface-mount-type antenna and mounting structure thereof
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5581263: Window glass antenna with optimized AM and FM equivalent antennas
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With ice clearer or preventer :)
Patent 5581264: Diversity glass antenna for an automobile
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body :)
Patent 5581265: Reflector antenna assembly for dual linear polarization
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With polarization filter or converter : With reflector)
Patent 5581266: Printed-circuit crossed-slot antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Plural : Motor-driven)
Patent 5581267: Gaussian-beam antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna with parasitic reflector : Plural reflectors : Plural reflectors)
Patent 5581268: Method and apparatus for increasing antenna efficiency for hand-held mobile satellite communications terminal
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With coupling network or impedance in the leadin : With plural antennas : Including a screening reflector)
Patent 5581269: Method of use of multiple input styli in a system of multiple computers
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL DISPLAY SYSTEMS : Controlling the condition of display elements)
Patent 5581270: Hotel-based video game and communication system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL DISPLAY SYSTEMS : Remotely located : Including priming means)
Patent 5581271: Head mounted visual display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Operator body-mounted heads-up display (e.g., helmet mounted display) : Number of pixels per row or column conversion (i.e., resolution conversion))
Patent 5581272: Signal generator for controlling a spatial light modulator
(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 : Electroscopic (e.g., movable electrodes or electrostatic elements) : Resistor-diode arrangement)
Patent 5581273: Image display apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Control means at each display element : Including transformer)
Patent 5581274: Display-integrated type tablet device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Input/output liquid crystal display panel : Particular row or column control (e.g., shift register))
Patent 5581275: Method and apparatus for locating a predetermined position in a computer file
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Window or viewpoint : Window scrolling : Hierarchical)
Patent 5581276: 3D human interface apparatus using motion recognition based on dynamic image processing
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Animation)
Patent 5581277: Anti-carpal tunnel device (ACTD) for computer operators
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Scaling)
Patent 5581278: Image display control system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Frame buffer : Color memory : Multiple planes : Photosensor encoder)
Patent 5581279: VGA controller circuitry
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHIC PROCESSING SYSTEM : Integrated circuit (e.g., single chip semiconductor device) : Pipeline processors)
Patent 5581280: Video processing apparatus, systems and methods
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : First in first out (i.e., FIFO) : Character memory)
Patent 5581281: Ink-jet recording apparatus having drive pulse width control dependent on printhead temperature
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Responsive to condition : Full-line array)
Patent 5581282: Ink jet recording apparatus with two cleaning members
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : With cleaning or protector : Wiping : Movement)
Patent 5581283: Ink jet apparatus having a plurality of chambers with multiple orifices
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : With oscillatory motion)
Patent 5581284: Method of extending the life of a printbar of a color ink jet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : Color type : Movement)
Patent 5581285: Ink jet recording head with discharge opening surface treatment
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Discharge means : Surface treated : Movement)
Patent 5581286: Multi-channel array actuation system for an 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 5581287: Inkjet printer ink cartridge refilling structure
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : With aerosol formation)
Patent 5581288: Ink jet head block
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : With integral ejector : Drop sensors)
Patent 5581289: Multi-purpose paper path component for ink-jet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Medium and processing means : Physical handling : Ink)
Patent 5581290: Heating and cooling roller for electrostratic printing
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Multicolor : Physical characteristics)
Patent 5581291: Rear side exposure type electrographic image forming apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Including driving circuitry)
Patent 5581292: Method and apparatus for enhancing charged area developed regions in a tri-level printing system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Dot density or dot size control (e.g., halftone) : Laminated head including charged particle generation layer)
Patent 5581293: Method and apparatus for zero form loss on continuous form printing
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Record receiver or conveyor means therefor : Lens)
Patent 5581294: Serial thermal printing method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Gradational recording : Sequentially)
Patent 5581295: Method and apparatus for resequencing image data for a printhead
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Driving circuitry : Including switching means)
Patent 5581296: Printer head driving apparatus improving printing speed
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Driving circuitry : Including switching means)
Patent 5581297: Low power video security monitoring system
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Intrusion detection : Traffic monitoring)
Patent 5581298: Color signal processing apparatus using plural luminance signals
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Exposure control)
Patent 5581299: Multi-functional camera with graphics editor and form stand
(TELEVISION : SPECIAL APPLICATIONS : Combined electronic sensing and photographic film cameras : Image magnifying)
Patent 5581300: Solid state image sensor array having photochromic layer surrounded by passive layer for multiple photoelectric conversion elements in the
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Accumulation or integration time responsive to light or signal intensity : Frequency separable signals)
Patent 5581301: Image processing apparatus with adjustable low-pass optical filter characteristics
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : With frequency selective filter (e.g., IR cut, optical LPF, etc.) : Exclusively dichroic elements)
Patent 5581302: Subsampled frame storage technique for reduced memory size
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)
Patent 5581303: Video timing signal generation circuit
(TELEVISION : SYNCHRONIZATION : Sync generation : With counter or frequency divider : Color television)
Patent 5581304: Screen detecting system of a wide screen television for detecting blank top and bottom areas
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : Multimode (e.g., composite, Y, C; baseband RF) : Format detection : Color processing)
Patent 5581305: Automatic picture quality compensating method and apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : For display of additional information)
Patent 5581306: Vertical scaling for digital image data with aperture correction
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Transition or edge sharpeners : For color television)
Patent 5581307: Method and apparatus for scrambling and descrambling of video signals with edge fill
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Transition or edge sharpeners : Color television processing : Including horizontal transition)
Patent 5581308: Method and apparatus for determining true motion vectors for selected pixels
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Motion vector generation : Diode)
Patent 5581309: Motion vector detecting circuit
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Motion vector generation : Diode)
Patent 5581310: Architecture for a high definition video frame memory and an accompanying data organization for use therewith and efficient access
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : With details of static storage device : Accessing circuitry : Of color signal)
Patent 5581311: Image storage system for a digital still camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : With details of static memory for output image (e.g., for a still camera) : Image file management : Monitor (including for controlling camera))
Patent 5581312: Pad bridge frame of spectacles
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Nose pads or cushions : Detachable : With lens clamping straps)
Patent 5581313: Reversing film projection system
(OPTICS: MOTION PICTURES : WITH REWINDING OF FILM STRIPS : During projection of another film strip : Rotating plano parallel prism)
Patent 5581314: Camera with stereoscopic optical system
(PHOTOGRAPHY : PLURAL IMAGE RECORDING : Stereoscopic : Plural image reflection onto single objective : Having film feed or guide)
Patent 5581315: Camera with built-in photoflash unit
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having flash built into camera : Diaphragm function only)
Patent 5581316: Camera enabling recycling of parts retrieved from a lens fitted photographic film unit
(PHOTOGRAPHY : DISPOSABLE OR RECYCLABLE CAMERA : Object support)
Patent 5581317: Vibration preventing device
(PHOTOGRAPHY : CAMERA SUPPORT : Operator supported : Having stabilization : Having film transport mechanism locked by perforation sensing pawl)
Patent 5581318: Viewfinder unit in a camera
(PHOTOGRAPHY : HAVING CAMERA INDICATOR : Having display in viewfinder : Having plural pointers or match needle)
Patent 5581319: Illuminating window type bright frame finder
(PHOTOGRAPHY : WITH VIEWFINDER : Electronic : Tilting)
Patent 5581320: Film cartridge with visual indicator for verifying film loading in camera
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Film cassette or cartridge : Including film use indicator : Opposite movement)
Patent 5581321: Cover assembly for camera
(PHOTOGRAPHY : CAMERA DETAIL : Body structure or housing : Threaded mount)
Patent 5581322: Photographic processing apparatus
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having testing, calibration, or indicating : Plural stations)
Patent 5581323: Optical apparatus for controlling operations based on a user's visual axis
(PHOTOGRAPHY : EYE TRACKING : Including film processing tank)
Patent 5581324: Thermal distortion compensated projection exposure method and apparatus for manufacturing semiconductors
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)
Patent 5581325: Process cartridge having an electroconductive grounding member and an image forming apparatus using such a process cartridge
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Photoconductive member : Including cover)
Patent 5581326: Image forming apparatus which supplies toner based on counted signal value
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Toner : By concentration detector : On or adjacent to platen)
Patent 5581327: Image forming apparatus
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Toner : By concentration detector : On or adjacent to platen)
Patent 5581328: Process cartridge having connectable first and second frames and a recording apparatus using such a process cartridge
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Developer seal)
Patent 5581329: Contact charger
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Contact : Roller : Toner cartridge)
Patent 5581330: Method and apparatus for reducing residual toner voltage
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Corona : Having grid : Toner cartridge)
Patent 5581331: Color image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Corona : Having grid : Toner cartridge)
Patent 5581332: Power lift device for document feeder
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Original : Automatic document feeder : Lamination)
Patent 5581333: Original image focusing apparatus having positionally adjustable focus lens
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Exposure : Variable magnification : Having scanning modification : Lens positioning : Optical detector)
Patent 5581334: Electrostatic image developing device having toner flow control and lumps formation prevention ability
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Supplying new toner : Cartridge : Having internal rotary member : Including sample holder)
|