|
Patent 5541399: RF transponder with resonant crossover antenna coil
(REGISTERS : RECORDS : Fluorescent, phosphorescent, radiation emitting : Aligning records)
Patent 5541400: Accumulation control apparatus for photoelectric conversion element and visual axis detection apparatus using the element
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive image detecting element arrays : With comparison)
Patent 5541401: Arrangement for image generation and/or reading having pixel matrices of differing densities
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive image detecting element arrays : With comparison)
Patent 5541402: Imaging active pixel device having a non-destructive read-out gate
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive image detecting element arrays : With comparison)
Patent 5541403: Method in an optically operated proximity switch
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Controlled by article, person, or animal : Volume or level)
Patent 5541405: Method and device for continuous pattern sensing using fiber optics
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : Electronic switch)
Patent 5541406: Pulsed operation of optical rotary encoder for low-power applications
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light valve (e.g., iris diaphragm) : Actuated by dynamic external physical quantity : Shaft angle transducers : Incremental shaft readers; i.e., with means to generate increments of angular shaft rotation :)
Patent 5541407: Arsenic atom source
(RADIANT ENERGY : ELECTRICALLY NEUTRAL MOLECULAR OR ATOMIC BEAM DEVICES AND METHODS :)
Patent 5541408: Micromachined mass spectrometer
(RADIANT ENERGY : IONIC SEPARATION OR ANALYSIS : With sample supply means : With time-of-flight indicator)
Patent 5541409: High resolution retarding potential analyzer
(RADIANT ENERGY : ELECTRON ENERGY ANALYSIS : Radioactive tracer methods)
Patent 5541410: Reduced diameter retractable cylindrical mirror analyzer
(RADIANT ENERGY : ELECTRON ENERGY ANALYSIS : Radioactive tracer methods)
Patent 5541411: Image-to-image registration focused ion beam system
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Positive ion probe or microscope type : Magnetic field path-bending means)
Patent 5541412: Two dimensional array infrared ray image pickup device
(RADIANT ENERGY : INFRARED-TO-VISIBLE IMAGING : Including detector array : With conveyance)
Patent 5541413: Acousto-optic tunable filter-based surface scanning system and process
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With selection of plural discrete wavelengths or bands : With radiation source : Measuring infrared radiation reflected from sample : Including Fourier transform infrared spectrometry)
Patent 5541414: Infrared sensor apparatus
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : Plural signalling means : Controlled by signalling means)
Patent 5541415: Self-calibrating radiation detectors for measuring the areal extent of contamination
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Including a radiant energy responsive gas discharge device : With means to transmission-test contained fluent material)
Patent 5541416: Estimation method and apparatus for semiconductor light emitting element capable of inspecting by wafer
(RADIANT ENERGY : LUMINOPHOR IRRADIATION : With source support)
Patent 5541417: Quantative agglutination reaction analysis method
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : Evaluation by regions, zones, or pixels : With imaging : With moving reticle in optical path)
Patent 5541418: Inspection of cylindrical objects
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : Measuring dimensions : Profile : With moving reticle in optical path)
Patent 5541419: Symbology reader wth reduced specular reflection
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Including coded record : End illuminated light conductor with noncircular geometric cross section)
Patent 5541420: Multi-sample fraction collector by electrophoresis
(CHEMISTRY: ELECTRICAL AND WAVE ENERGY : APPARATUS : Electrophoretic or electro-osmotic apparatus : Capillary electrophoresis type : With control means responsive to sensed condition : Oscillatory movement)
Patent 5541421: Light collector having optically coated acrylic substrate
(RADIANT ENERGY : SOURCE WITH RECORDING DETECTOR : Using a stimulable phosphor : With image read-out : Including emission detection : With detector control or regulating)
Patent 5541422: Tunnel diode with several permanent switching states
(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 5541423: Monocrystalline diamond semiconductor device and several electronic components employing same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : SPECIFIED WIDE BAND GAP (1.5EV) SEMICONDUCTOR MATERIAL OTHER THAN GAASP OR GAALAS : Diamond or silicon carbide : In array having structure for use as imager or display, or with transparent electrode)
Patent 5541424: Permeable base transistor having laminated layers
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Combined with field effect transistor : J-FET (junction field effect transistor) : Vertical (i.e., where the source is located above the drain or vice versa) : High temperature (i.e., >30o Kelvin))
Patent 5541425: Semiconductor device having trench structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Combined with field effect transistor : With extended latchup current level (e.g., COMFET device) : Having gate turn off (GTO) feature)
Patent 5541426: Semiconductor device with surface-inactivated layer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : With means to increase breakdown voltage : Surface feature (e.g., guard ring, groove, mesa, etc.) : Radially symmetric regions)
Patent 5541427: SRAM cell with capacitor
(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 5541428: Semiconductor memory device with superimposed storage electrodes
(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 5541429: High voltage semiconductor device having improved electrical ruggedness and reduced cell pitch
(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) : With additional, non-memory control electrode or channel portion (e.g., accessing field effect transistor structure))
Patent 5541430: VDMOS semiconductor device
(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) : Plural sections connected in parallel (e.g., power MOSFET) : With means to reduce ON resistance : Separate control electrodes for charging and for discharging floating electrode)
Patent 5541431: Semiconductor device having transistor pair
(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 5541432: Silicon on insulator field effect transistors
(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 5541433: High speed poly-emitter bipolar 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 : Combined with bipolar transistor : With polysilicon interconnections to source or drain regions (e.g., polysilicon laminated with silicide))
Patent 5541434: Semiconductor device incorporating a contact for electrically connecting adjacent portions within the semiconductor device
(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 : With contact to source or drain region of refractory material (e.g., polysilicon, tungsten, or silicide) : Contact of refractory or platinum group metal (e.g., molybdenum, tungsten, or titanium) : With barrier region of reduced minority carrier lifetime (e.g., heavily doped P+ region to reduce electron minority carrier lifetime, or containing deep level impurity or crystal damage), or with region of high threshold voltage (e.g., heavily doped channel stop region))
Patent 5541435: Integration of high voltage lateral MOS devices in low voltage CMOS architecture using CMOS-compatible process steps
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With means to increase breakdown voltage (e.g., field shield electrode, guard ring, etc.) : With gate electrode of controlled workfunction material (e.g., low workfunction gate material))
Patent 5541436: MOS transistor having improved oxynitride dielectric
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Gate insulator includes material (including air or vacuum) other than SiO 2 : With gate electrode of controlled workfunction material (e.g., low workfunction gate material))
Patent 5541437: Acceleration sensor using MIS-like transistors
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Physical deformation : Strain sensors : Polysilicon laminated with silicide)
Patent 5541438: Backside illuminated MSM 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 : Matrix or array (e.g., single line arrays) : With backside illumination (e.g., having a thinned central area or a non-absorbing substrate) : Combined with heavily doped channel stop portion)
Patent 5541439: Layout for a high voltage darlington pair
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH MEANS TO INCREASE BREAKDOWN VOLTAGE THRESHOLD : Field relief electrode : Layered (e.g., a diffusion barrier material layer or a silicide layer or a precious metal layer))
Patent 5541440: Isolation structure for semiconductor device
(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 5541441: Metal to metal antifuse
(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 5541442: Integrated compact capacitor-resistor/inductor configuration
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Passive components in ICs : Including capacitor component : Combined with resistor to form RC filter structure : Sides of grooves along major crystal planes (e.g., (111), (100) planes, etc.))
Patent 5541443: Active optical logic device incorporating a surface-emitting laser
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Signal isolator : Controlling light source intensity)
Patent 5541444: Device and method of manufacturing the same and semiconductor device and method of manufacturing the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With specified electrode means : With housing or contact (i.e., electrode) means)
Patent 5541445: High performance passivation for semiconductor devices
(SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS : COATING OF SUBSTRATE CONTAINING SEMICONDUCTOR REGION OR OF SEMICONDUCTOR SUBSTRATE : Multiple layers : Silicon nitride)
Patent 5541446: Integrated circuit package with improved heat dissipation
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : On integrated circuit)
Patent 5541447: Lead frame
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : With stress relief : Details of insulating layer electrical charge (e.g., negative insulator layer charge))
Patent 5541448: Electronic circuit card
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Smart (e.g., credit) card package : Of insulating material)
Patent 5541449: Semiconductor chip carrier affording a high-density external interface
(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 : Pin grid type : With polycrystalline connecting region (e.g., polysilicon base contact))
Patent 5541450: Low-profile ball-grid array semiconductor package
(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 : Pin grid type : With polycrystalline connecting region (e.g., polysilicon base contact))
Patent 5541451: Packaged semiconductor device with external leads having anchor holes provided at polyamide/glass sealed regions
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Insulating material : Cap or lid : Housing entirely of metal except for feedthrough structure)
Patent 5541452: IC card
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : For plural devices : With gas coolant)
Patent 5541453: Power semiconductor module
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : For plural devices : With gas coolant)
Patent 5541454: Semiconductor device containing electrostatic capacitive element and method for manufacturing 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 5541455: Method of forming low resistance contacts at the junction between regions having different conductivity types
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Refractory or platinum group metal or alloy or silicide thereof : At least one layer containing chromium or nickel)
Patent 5541456: Output stage, and automotive regulator, with supply-dependent selection of MOS or bipolar driver
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Series-connected)
Patent 5541457: Electrical current actuated accessory outlet
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL LOAD CIRCUIT SYSTEMS : Selectively connected or controlled load circuits : Selective series-parallel connections)
Patent 5541458: Power supply for timed residual power after turn off
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Substitute or emergency source : Storage battery or accumulator : Serially connected sources)
Patent 5541459: Device for compensation of an alternating voltage which occurs between a medium and a metallic pipeline disposed in the medium
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : ANTI-ELECTROLYSIS : Magnetic or electrostatic field control (e.g., shielding))
Patent 5541460: Passive magnetic bearings for a spindle motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Inbuilt or incorporated unit : Heat-exchange structure)
Patent 5541461: Electrical connectors for small electrical appliances using fractional horsepower motors
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Electric circuit elements : Connectors, terminals or lead-ins : Distributor or timer (e.g., ignition magnetos))
Patent 5541462: Rotary body bearing apparatus, motor and polygon mirror motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Bearing or air-gap adjustment or bearing lubrication : Housings, windows or covers)
Patent 5541463: Flex path and core loss reduction assembly
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Rotor structure : Frame and core type)
Patent 5541464: Thermionic generator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Thermal or pyromagnetic : Direct charge particle emission)
Patent 5541465: Electrostatic actuator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Charge accumulating : Electrostatic :)
Patent 5541466: Cluster arrangement of field emission microtips on ballast layer
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGE DEVICES HAVING A THERMIONIC OR EMISSIVE CATHODE : Discharge control electrode)
Patent 5541467: Vibrating unit
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with resonant structure : Electrical output circuit)
Patent 5541468: Monolithic transducer array case and method for its manufacture
(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 5541469: Resonator utilizing width expansion mode
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Piezoelectric element shape : More than two)
Patent 5541470: Method for making a tantala/silica interference filter on a vitreous substrate and an electric lamp made thereby
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE : Plural diverse optical devices : With integrant display electrode)
Patent 5541471: Electric lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE : Polarizer or special ray transmission (e.g., filter) : With integrant display electrode)
Patent 5541472: High-power, single-ended, high-pressure discharge lamp with hot-starting capability
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH ENVELOPE : Having base and connector : Plural interelectrode discharge spaces)
Patent 5541473: Grid addressed field emission cathode
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Beam deflecting means : Flat tube type : Including non-planar elements)
Patent 5541474: Getter spring assembly for a color cathode-ray tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Envelope : With getter or gas : Light conducting fiber or rod)
Patent 5541475: Electrodeless lamp with profiled wall thickness
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Three or more)
Patent 5541476: Image reader
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : Including particular phosphor : Plural : Brillouin beam type)
Patent 5541477: Self ballasted compact fluorescent lamp
(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 5541478: Active matrix vacuum fluorescent display using pixel isolation
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Vacuum-type tube : Phosphor on anode segments : With accelerating or control electrode : With shield or additional electrode)
Patent 5541479: Plasma display device
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Three or more electrode discharge device : Multiple gaseous discharge display panel : Having intersecting electrode sets : With dielectric member : With rare gas)
Patent 5541480: High-pressure discharge lamp with metal layer on outer surface
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Envelope with particular structure : Envelope layer or coating : Substantially the full length of discharge path)
Patent 5541481: Cadmium ARC lamp with improved UV emission
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : With particular gas or vapor : With metal vapor : Substantially the full length of discharge path)
Patent 5541482: Electrodeless discharge lamp including impedance matching and filter network
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PULSATING OR A.C. SUPPLY : Induction-type discharge device load : Strobe lights)
Patent 5541483: Control system and method for controlling a DC motor or generator
(ELECTRICITY: MOTIVE POWER SYSTEMS : ALTERNATING CURRENT COMMUTATING MOTORS : Universal or A.C.-D.C. motors : Dual stators, one or both angularly movable)
Patent 5541484: BLDCM phase current reconstruction circuit
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)
Patent 5541485: Reactive robotic gripper
(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 plural control systems (e.g., the interaction of plural processors to control the plural joints of a single robot): : Including end effector (e.g., gripping jaw, micromanipulator, etc.) :)
Patent 5541486: Automatic tuning of a position control circuit for a servo device
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With stabilizing features (e.g., anti-hunting, damping) : Variable gain bandwidth : Rate feedback)
Patent 5541487: Driving circuit for stepping motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With particular motor control system responsive to the "actuating signal" : "Step-by-step" motors in closed-loop servos : Rotating amplifier (e.g., "Ward Leonard" control))
Patent 5541488: Method and apparatus for controlling induction motors
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Responsive to motor condition : Responsive to speed or rotation phase angle : With controlled power conversion : Including inverter : With variable temperature coefficient impedance element)
Patent 5541489: Smart battery power availability feature based on battery-specific characteristics
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL DISCHARGING : With charging : With battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.) : Time control)
Patent 5541490: Computer power supply system
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : Multi-rate charging (e.g., plural charge rates before a maintenance charge, etc.) : Detection of current or voltage amplitude)
Patent 5541491: Battery charging apparatus
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : Pulsed : Pulse modulation : Pulse-width modulation : With voltage compensation)
Patent 5541492: Method for charging a multiple voltage electrochemical cell
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : Gas controlled : Hysteresis type (e.g., antichattering, etc.))
Patent 5541493: Method of controlling current for coil of synchronous motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : SYNCHRONOUS MOTOR SYSTEMS : Motor running-speed control)
Patent 5541494: Motor control system for electric cars
(ELECTRICITY: MOTIVE POWER SYSTEMS : INDUCTION MOTOR SYSTEMS : Primary circuit control : Responsive to motor condition : Responsive to speed or rotation phase angle : With controlled power conversion : Including inverter : With variable temperature coefficient impedance element)
Patent 5541495: Battery polarity connection adaption solid state switch
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : With current sensing to detect proper battery connection (e.g., polarity, ripple, reverse current, etc.) : Having solid-state control device)
Patent 5541496: Apparatus and method of rapidly charging nickel-cadmium batteries
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : With thermal condition detection : Detection of current or voltage differential (e.g., slope, etc.) : Pulse-width modulation)
Patent 5541497: Power storing apparatus
(ELECTRICITY: SINGLE GENERATOR SYSTEMS : WITH FLYWHEELS OR MASSIVE MOVING PARTS : Electrostatic)
Patent 5541498: Distribution circuit var management system using adaptive capacitor controls
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : FOR REACTIVE POWER CONTROL : Using impedance : Switched impedance : Static switch : Digitally controlled :)
Patent 5541499: Electronic trip device comprising a power supply control device
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Including plural final control devices : With electronic tube or a three or more terminal semiconductive device in control circuit)
Patent 5541500: Power supply arrangement comprising a direct voltage monitoring circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : INPUT LEVEL RESPONSIVE : Using an impedance as the final control device)
Patent 5541501: Lightning and storm warning method and apparatus
(ELECTRICITY: MEASURING AND TESTING : TESTING POTENTIAL IN SPECIFIC ENVIRONMENT (E.G., LIGHTNING STROKE) : Superconductors)
Patent 5541502: Level measuring set for low-frequency signals
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Demand, excess, maximum or minimum (e.g., separate meters for positive and negative power, peak voltmeter) : Peak voltmeters : Digital voltmeters)
Patent 5541503: Alternating current sensor based on concentric-pipe geometry and having a transformer for providing separate self-powering
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : With coupling means (e.g., attenuator, shunt) : Transformer (e.g., split core admits conductor carrying unknown current) : Digital voltmeters)
Patent 5541504: Sequential connecting apparatus for automatic testing
(ELECTRICITY: MEASURING AND TESTING : MISCELLANEOUS : Combined)
Patent 5541505: Testing integrated circuits by consolidating a plurality of digital signals as a multilevel signal
(ELECTRICITY: MEASURING AND TESTING : MISCELLANEOUS : Combined)
Patent 5541506: Rotational position detector having initial setting function
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Hall effect : Electrically energized)
Patent 5541507: Device for detecting the position of a magnet by analyzing movement of a current-fed coil disposed in the magnetic field of the magnet
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : With axially arranged electrodes)
Patent 5541508: Position detector for synchronizing operation of a recording device with that of a carriage in a recording apparatus
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Magnetoresistive : Electrically energized)
Patent 5541509: Electrical cable jacket and conductor eccentricity detector including energizing coil formed about a toroid core and movable pickup coil
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : Thickness measuring : Layer or layered material : Electrically energized)
Patent 5541510: Multi-Parameter eddy current measuring system with parameter compensation technical field
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : With means to create magnetic field to test material : With phase sensitive element : With backing member)
Patent 5541511: Method of magnetic resonance imaging for the production of rare images with additional preparation of the magnetization for contrast variation
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5541512: Method for the prevention of registration artifacts due to motion in magnetic resonance images
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5541513: MRI center point artifact elimination using realtime receiver phase control
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5541514: Method for operating a magnetic resonance imaging apparatus
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5541515: MRI joint imaging system
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)
Patent 5541516: Locator equipment with self-integrity test capability
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : For small object detection or location : To determine fluid entry)
Patent 5541517: Method for drilling a borehole from one cased borehole to another cased borehole
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : By magnetic means : Within a borehole : Within a borehole)
Patent 5541518: Apparatus for sensing and measuring flow of dry particulate material
(ELECTRICITY: MEASURING AND TESTING : A MATERIAL PROPERTY USING ELECTROSTATIC PHENOMENON : Frictionally induced : Which includes particular cell container structure)
Patent 5541519: Photoionization detector incorporating a dopant and carrier gas flow
(ELECTRICITY: MEASURING AND TESTING : USING IONIZATION EFFECTS : For analysis of gas, vapor, or particles of matter : Using a magnetic field)
Patent 5541520: Filtering for electronic module test
(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 : Transfer function type characteristics : Transient response or transient recovery time (e.g., damping) : Field effect transistor)
Patent 5541521: EMI test system and decoupling network therefor, the decoupling network having series connected resonators with torroidal cores formed from a
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Parameter related to the reproduction or fidelity of a signal affected by a circuit under test : Shielding effectiveness (SE) : Circuit interference (e.g., crosstalk) measurement : Field effect transistor)
Patent 5541522: Conformal tip for coaxial test probe for non-destructive testing of dielectric/magnetic materials
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using transmitted or reflected microwaves : Where energy is reflected (e.g., reflectometry) : To determine insertion loss)
Patent 5541523: System for detecting operability of an airbag squib resistor
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With pulse signal processing circuit : Including R/C time constant circuit : Including corrosion or erosion)
Patent 5541524: Burn-in technologies for unpackaged integrated circuits
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : With probe elements : Using electro-optic device)
Patent 5541525: Carrier for testing an unpackaged semiconductor die
(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 5541526: Sense amplifier having two intermediate voltage switching levels to increase speed
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : ACCELERATING SWITCHING : Parasitic prevention in integrated circuit structure)
Patent 5541527: PECL buffer
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Bipolar transistor)
Patent 5541528: CMOS buffer circuit having increased speed
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Signal level or switching threshold stabilization : With field effect-transistor : With clocking)
Patent 5541529: Field programmable gate array transferring signals at high speed
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : With field effect-transistor)
Patent 5541530: Programmable logic array integrated circuits with blocks of logic regions grouped into super-blocks
(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 5541531: Switch capacitor interface circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : With conversion (e.g., three level to two level, etc.))
Patent 5541532: All MOS single-ended to differential level converter
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Logic level shifting (i.e., interface between devices of different logic families) : Field-effect transistor (e.g., JFET, MOSFET, etc.) : ECL to/from TTL)
Patent 5541533: Output circuit for an TTL-CMOS integrated circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Logic level shifting (i.e., interface between devices of different logic families) : Field-effect transistor (e.g., JFET, MOSFET, etc.) : TTL to/from MOS : TTL to/from CMOS :)
Patent 5541534: Mixed voltage interface converter
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Supply voltage level shifting (i.e., interface between devices of a same logic family with different operating voltage levels) : CMOS : Integrated Injection Logic (I2L))
Patent 5541535: CMOS simultaneous transmission bidirectional driver/receiver
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : Integrated Injection Logic (I2L))
Patent 5541536: Rubberband logic
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : CLOCKING OR SYNCHRONIZING OF LOGIC STAGES OR GATES : Field-effect transistor : MOSFET : MOSFET)
Patent 5541537: High speed static circuit design
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Field-effect transistor (e.g., JFET, etc.) : MOSFET (i.e., metal-oxide semiconductor field-effect transistor) : CMOS : Having plural output pull-up or pull-down transistors)
Patent 5541538: High speed comparator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Input signal compared to single fixed reference : With logic or bistable circuit)
Patent 5541539: Digital current switch
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Input signal compared to single fixed reference : Reference level crossover detecting : With single output)
Patent 5541540: MOS half-bridge drive circuit, particularly for power MOS half-bridges
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Current driver : Having digital device (e.g., logic gate, flip-flop, etc.))
Patent 5541541: Comparator circuit for decreasing shoot-through current on power switches
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Current driver : Having digital device (e.g., logic gate, flip-flop, etc.))
Patent 5541542: Halftone image device and its driving circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Rectangular (e.g., clock, etc.) or pulse waveform width control : Having negative resistance device (e.g., tunnel diode, etc.))
Patent 5541543: Regulating device for a telephone loud-speaker
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Rectangular (e.g., clock, etc.) or pulse waveform width control : Duty cycle control : By phase)
Patent 5541544: Bipolar flip-flop circuit with improved noise immunity
(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) : Having at least two cross-coupling paths : RS or RST type input : Plural independent clock inputs (i.e., non complementary ))
Patent 5541545: High speed bipolar D latch circuit with reduced latch clocking output corruption
(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) : Having at least two cross-coupling paths : D type input : Plural independent clock inputs (i.e., non complementary ))
Patent 5541546: Signal level conversion circuit for converting a level of an input voltage into a larger level
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : Interstage coupling (e.g., level shift, etc.) : With feedback)
Patent 5541547: Test generator system for controllably inducing power pin latch-up and signal pin latch-up in a CMOS device
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : Combining of plural signals : With vacuum tube)
Patent 5541548: Analog output driver for gate arrays
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC INPUT TO OUTPUT FUNCTION : With vacuum tube : Summing)
Patent 5541549: Transfer gate circuit and dynamic divider circuit using the same
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Signal transmission integrity or spurious noise override : Insulated gate FET (e.g., MOSFET, etc.) : Complementary metal-oxide semiconductor (CMOS) : With clock input)
Patent 5541550: Electronic load resistor circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : WITH PARTICULAR CONTROL : Plural active components included in a controlling circuit : Elements forming an array)
Patent 5541551: Analog voltage reference generator system
(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.) : Using bandgap : With field-effect transistor)
Patent 5541552: Method of and apparatus for demodulating a signal conveyed by multiple carrier
(DEMODULATORS : PHASE SHIFT KEYING OR QUADRATURE AMPLITUDE DEMODULATOR : Input signal combined with local oscillator or carrier frequency signal : Including phase or frequency locked loop :)
Patent 5541553: Amplifier with a function for switching on and off the output signal
(AMPLIFIERS : COMBINED WITH AUTOMATIC AMPLIFIER DISABLING SWITCH MEANS : Having signal applied to magnetic means)
Patent 5541554: Multi-mode power amplifier
(AMPLIFIERS : COMBINED WITH AUTOMATIC AMPLIFIER DISABLING SWITCH MEANS : Having signal applied to magnetic means)
Patent 5541555: High performance transconductance operational amplifier of the CMOS integrated type
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having field effect transistor :)
Patent 5541556: Clock recovery circuit for serial digital video
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Search sweep of oscillator :)
Patent 5541557: Resin mold type piezoelectric resonator and resin mold type piezoelectric oscillator
(OSCILLATORS : ELECTROMECHANICAL RESONATOR : Crystal : With sync, trigger, or pulsing circuit (e.g., self-pulsing))
Patent 5541558: Capacitively-tapped, variable, wideband bandpass filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : With variable response : With variable response)
Patent 5541559: Loop-shaded strip line dual mode multistage filter in which the strip line dual mode filters are arranged in series
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Stripline or microstrip : Plural mechanically coupled disk resonators)
Patent 5541560: Selectable bandstop/bandpass filter with switches selecting the resonator coupling
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Wave filters including long line elements : Coaxial : Tunable : Monolithic structure)
Patent 5541561: Integral electrical circuit controller
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Multiple contact type : With adjustable, replaceable or interchangeable structural features : By reciprocating armature)
Patent 5541562: Apparatus for sensing the closure of a door
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : PERMANENT MAGNET-ACTUATED SWITCHES : Through conductor type (i.e., conductor field actuates armature))
Patent 5541563: Magnet iron structure
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Superconductive type : With coil structure)
Patent 5541564: Hybrid R-C component having an overlying dielectric layer
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Frequency domain filters utilizing only lumped parameters : RC or RL type : With variable response)
Patent 5541565: High frequency microelectronic circuit enclosure
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : With impedance matching : Having long line elements : Tapered : Including waveguide element)
Patent 5541566: Diamond-like carbon coating for magnetic cores
(INDUCTOR DEVICES : WITH COIL OR MAGNETIC MATERIAL : Hinged core)
Patent 5541567: Coaxial vias in an electronic substrate
(INDUCTOR DEVICES : COIL OR COIL TURN SUPPORTS OR SPACERS : Printed circuit-type coil : Coils of different windings interposed)
Patent 5541569: Switch having a circuit breaker
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : With bimetallic elements (i.e., motion takes place in a plane at right angles to its major axis) : With manual or other mechanical contact controlling means : With direct contact separating means (e.g., plunger camming means) : Reciprocating or slidable motion device)
Patent 5541570: Force sensing ink, method of making same and improved force sensor
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Force-actuated : Pendulum)
Patent 5541571: Hand-held transmitter for the remote control of various vehicle systems
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Coded record input (e.g., IC card or key) : Wireless transceiver : Including manual switching means : Using additional record or carrier code)
Patent 5541572: Vehicle on board television system
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Curb)
Patent 5541573: Method of detecting a deflated tire on a vehicle
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Tire deflation or inflation : By indirect detection means (e.g., height measurement) : Relative wheel speed : Specifying particular start/destination)
Patent 5541574: Transponder system for communicating with a vehicle tire
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Tire deflation or inflation : With particular telemetric coupling : Radio wave : Specifying particular start/destination)
Patent 5541575: Leakage detection system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Alarm system supervision : With ringback)
Patent 5541576: Six channel dual display MFC monitor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Selection from a plurality of sensed conditions : Scanning : Vertical axis)
Patent 5541577: Electromagnetic asset protection system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Disturbance of magnetic field : Plural doors or windows)
Patent 5541578: Tamper detection sensor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Alarm on protected article : Specified connector (e.g., phone jack-type plug))
Patent 5541579: Personal alarm safety system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Detectable device on protected article (e.g., "tag"))
Patent 5541580: Body detector
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : House arrest system, wandering, or wrong place : Specified device housing or attachment means)
Patent 5541581: Electronic combination lock security system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Manual code input : Rotary input : Image (e.g., fingerprint, face))
Patent 5541582: Apparatus for data communication switching
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Lockout or priority (programmed or variable) : Designated priority : Housing detail)
Patent 5541583: Arrangement for interrogating portable data communication devices
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Interrogation response : Additional control : Programming (e.g., read/write) : Audible)
Patent 5541584: Remote control for a ceiling fan
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Pulse responsive actuation : Printout or display)
Patent 5541585: Security system for controlling building access
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Coded record input (e.g., IC card or key) : Wireless transceiver : Including manual switching means : Using additional record or carrier code)
Patent 5541586: Visual outlet identification in a cable management system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Path selection : Channel selecting matrix : Within another housing)
Patent 5541587: System for determining the true depth of an electrical logging tool within a wellbore
(COMMUNICATIONS: ELECTRICAL : WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.) : With position or depth recording (e.g., line payout, equipment locator, etc.) : Control of drill bit or apparatus (e.g., steering, speed, etc.))
Patent 5541588: Control signal transfer device for a position detecting sensor
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : Including particular sensor)
Patent 5541589: Power meter data acquisition and control system
(COMMUNICATIONS: ELECTRICAL : CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING) : With meter reading : Acoustic or vibratory (e.g., sonic, fluidic, etc.))
Patent 5541590: Vehicle crash predictive and evasive operation system by neural networks
(COMMUNICATIONS: ELECTRICAL : EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM : Transmitter in another vehicle (e.g., emergency vehicle) : Relative distence between vehicles (e.g., collision alert) : Follow-up (e.g., circuit rebalanced when upset))
Patent 5541591: Method and apparatus for measuring and calibration of turbulence
(COMMUNICATIONS: ELECTRICAL : AIRCRAFT ALARM OR INDICATING SYSTEMS : Flight alarm : Wind shear : Magnetic field guide)
Patent 5541592: Positioning system
(COMMUNICATIONS: ELECTRICAL : VEHICLE POSITION INDICATION : At remote location : With map display : Glide slope or path)
Patent 5541593: Computer keyboard
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)
Patent 5541594: Fixed quality source coder with fixed threshold
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Adaptive coding : Pressure sensitive actuation)
Patent 5541595: Variable length code decoder for simultaneous decoding the most significant bits and the least significant bits of a variable length
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from variable length codes : To or from Morse code)
Patent 5541596: Serial/parallel converter circuit with uncertainty removing function
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Serial to parallel : Binary to Gray)
Patent 5541597: Digital/analog converter for compensation of DC offset
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)
Patent 5541598: Current cell for converting a binary value to an analog value
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)
Patent 5541599: Data independent loading of a reference in a discrete time system
(CODED DATA GENERATION OR CONVERSION : SAMPLE AND HOLD : Trimming control circuits)
Patent 5541600: Signal processing circuit including a variable gain input stage
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Nonlinear : Automatic control for increasing converter range (e.g., gain ranging, automatic gain control) : With rollover feature (i.e., antidoublestrike))
Patent 5541601: A/D conversion control apparatus for an internal combustion engine
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Multiplex : Linearization (e.g., nonlinear transfer characteristic compensates for nonlinear transducer))
Patent 5541602: Multi-phased pipeland analog to digital converter
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Acting sequentially : Including priority encoder)
Patent 5541603: Reduced radar cross-section RF seeker front-end
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR EW (ELECTRONIC WARFARE) : Chaff)
Patent 5541604: Transponders, Interrogators, systems and methods for elimination of interrogator synchronization requirement
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR TRANSPONDER SYSTEM : Secondary Surveilance Radar (SSR) or Air Traffic Control Radar Beacon System (ATCRBS))
Patent 5541605: Swept range gate short range radar system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS RADAR SYSTEM : Transmitter : Signal phase or frequency other than pulse repetition frequency (PRF) : Function of distance :)
Patent 5541606: W-code enhanced cross correlation satellite positioning system receiver
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a satellite : With position indicating : Using Global Positioning Satellite (GPS or Glonass) : GPS receiver signal processing :)
Patent 5541607: Polar digital beamforming method and system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With electronic scanning : Controlled : Satellite selection (i.e., tracking or acquisition))
Patent 5541608: Hybrid amplitude/phase comparison direction finding system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : Direction-finding receiver only : Having a phase detector : Including a goniometer)
Patent 5541609: Reduced operator emission exposure antennas for safer hand-held radios and cellular telephones
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)
Patent 5541610: Antenna for a radio communication apparatus
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)
Patent 5541611: VHF/UHF television antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Rotary or rotary oscillatory motion)
Patent 5541612: Waveguide antenna which includes a slotted hollow waveguide
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Plural : With wave guide coupling :)
Patent 5541613: Efficient broadband antenna system using photonic bandgap crystals
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Logarithmically periodic : Doublet type)
Patent 5541614: Smart antenna system using microelectromechanically tunable dipole antennas and photonic bandgap materials
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Logarithmically periodic : Doublet type)
Patent 5541615: 3 band communication equipment
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With coupling network or impedance in the leadin : Coupled to plural leadins : Loop antennas)
Patent 5541616: Surface-mountable antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With housing or protective covering : Antenna embedded, potted, or coated : Including long line element)
Patent 5541617: Monolithic quadrifilar helix antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Spiral or helical type : Antenna on bracket)
Patent 5541618: Method and a circuit for gradationally driving a flat display device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Fluid light emitter (e.g., gas, liquid, or plasma) : Having endless belt or tape reader)
Patent 5541619: Display apparatus and method of driving display panel
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Waveform generation : Field period polarity reversal : Smooth or continuous)
Patent 5541620: CRT cursor control 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 : Cursor : Navigation within structure)
Patent 5541621: Mouse or trackball system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Trackball : Optical detector)
Patent 5541622: Miniature isometric joystick
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Joystick : Scaling)
Patent 5541623: Temperature compensated opto-electronic circuit and mouse using same
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Rotatable ball detector : Photosensor encoder : Attribute changes during scrolling)
Patent 5541624: Impulse ink jet apparatus employing ink in solid state form
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : For hot-melt fluid (e.g., phase-change) : With integral ejector)
Patent 5541625: Method for increased print resolution in the carriage scan axis of an inkjet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : With conveyed object)
Patent 5541626: Recording apparatus and method for manufacturing recorded product thereby
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of spacing between fluid ejector and receiving medium : Fluid content (e.g., moisture or solvent content, ink refilling, liquid level))
Patent 5541627: Method and apparatus for ejecting a droplet using an electric field
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Drive waveform :)
Patent 5541628: Ink-jet type recording device
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Drive waveform :)
Patent 5541629: Printhead with reduced interconnections to a printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Array : Plural pulses)
Patent 5541630: Inkjet print head and inkjet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With piezoelectric force ejection : With vibratory plate : Flow path)
Patent 5541631: Ink cartridge including projection for preventing erroneous loading
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : Drop correction)
Patent 5541632: Ink pressure regulator for a thermal ink jet printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : With integral ejector : Drop sensors)
Patent 5541633: Ink jet printing of concealed images on carbonless paper
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid (e.g., fluid specifics) : Colorless : With carrier)
Patent 5541634: Color printer with shiftable laser unit
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Multicolor : Single head using light as exposure means : Using light as exposure means)
Patent 5541635: Printer mechanism
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Recording means engaging or holding means : By history of recording elements)
Patent 5541636: Thermal transfer apparatus for fusing print dye on a media
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Pre or post image recording treatment : Specific conductor means (e.g., electrode, conducting pattern, etc.))
Patent 5541637: Image exposure apparatus with compensation for variations in scanning rate
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Synchronization of light with medium : Housing or mounting)
Patent 5541638: User programmable entertainment method and apparatus
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM WITH UPSTREAM COMMUNICATION : Server or headend : Control process : Conveyed in video image)
Patent 5541639: Video conference system automatically started at reserved time
(TELEVISION : TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE) : Conferencing (e.g., loop) : Motion image conferencing :)
Patent 5541640: Videophone for simultaneous audio and video communication via a standard telephone line
(TELEVISION : TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE) : Transmission control (e.g., resolution or quality) : Field or frame difference (e.g., moving frame) :)
Patent 5541641: Stereoscopic image display
(TELEVISION : STEREOSCOPIC : Stereoscopic display device : Single display with optical path division : Separation by polarization : With alternating polarization)
Patent 5541642: Stereoscopic imaging systems
(TELEVISION : STEREOSCOPIC : Stereoscopic display device : Single display with optical path division : Separation by lenticular screen : With alternating polarization)
Patent 5541644: Image reproducing apparatus
(TELEVISION : SPECIAL APPLICATIONS : Film, disc or card scanning : Position detection)
Patent 5541645: Method and apparatus for dynamically determining and setting charge transfer and color channel exposure times for a multiple color, CCD
(TELEVISION : SPECIAL APPLICATIONS : Film, disc or card scanning : Position detection)
Patent 5541646: Display image stabilization apparatus and method of using same
(TELEVISION : DISPLAY OR RECEIVER WITH BUILT-IN TEST SIGNAL GENERATOR, TEST PATTERN, OR ADJUSTING ADJUNCT : Setup)
Patent 5541647: External data read/write circuit
(TELEVISION : MONITORING, TESTING, OR MEASURING : Setup)
Patent 5541648: Color image pickup apparatus having a plurality of color filters arranged in an offset sampling structure
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Exposure control)
Patent 5541649: White balance adjustment apparatus
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Color balance (e.g., white balance) : Video teleconferencing (including access or authorization))
Patent 5541650: Video camera with low-speed shutter mode and automatic gain and iris control
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Combined automatic gain control and exposure control (i.e., sensitivity control) : Responsive to output signal)
Patent 5541651: Multi-format digital image pickup apparatus
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Zoom : Electronic zoom : Details of communication between memory and camera)
Patent 5541652: Hyperacuity sensing
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Array of photocells (i.e., nonsolid-state array) : With photoconductive target (e.g., vidicon))
Patent 5541653: Method and appartus for increasing resolution of digital color images using correlated decoding
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With plural image scanning devices : Scanning devices offset in the image plane : With bias illumination)
Patent 5541654: Focal plane array imaging device with random access architecture
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : With amplifier : Pixel amplifiers : With overflow gate or drain)
|