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Patent 5661291: Audio proof of delivery system and method
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specified housing or mounting detail : Hand-held (e.g., portable) : Wireless link (e.g., RF, IR, etc.) : Rotating)
Patent 5661292: Automatic laser projection scanner with improved laser beam scanning efficiency
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specific scanning detail (e.g., scanner with a specific scanning field of view) : Including object detection)
Patent 5661293: Photodiode array with photodiode/extraction diode combinations with dark current thereof regulated to zero
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Special photocell or electron tube circuits : Compensation : Light amplifier type)
Patent 5661294: Process and apparatus for the optical inspection of a transparent region of a container, in particular the mouth region
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Controlled by article, person, or animal : Inanimate article : Conveyor or chute : Bottles :)
Patent 5661295: Optical encoder with dual diffraction gratings
(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 5661296: Rotary encoder measuring substantially coinciding phases of interference light components
(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 5661297: Bar code scanner with sealed housing
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Housings (in addition to cell casing) : Hoods, grating, baffles, diaphragms, masks)
Patent 5661298: Mass spectrometer
(RADIANT ENERGY : IONIC SEPARATION OR ANALYSIS : Well testing apparatus and methods)
Patent 5661299: Miniature AMS detector for ultrasensitive detection of individual carbon-14 and tritium atoms
(RADIANT ENERGY : IONIC SEPARATION OR ANALYSIS : Well testing apparatus and methods)
Patent 5661300: Charged particle mirror
(RADIANT ENERGY : IONIC SEPARATION OR ANALYSIS : Ion beam pulsing means with detector synchronizing means : With time-of-flight indicator : For material recovery)
Patent 5661301: Spectroscopy and mapping of atoms, molecules and surface features via difference frequency generation with a scanning tunneling microscope or
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Methods : Magnetic field path-bending means)
Patent 5661302: Method of quatitatively determining one or more characteristics of a substance
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With selection of plural discrete wavelengths or bands : With radiation source : Using sample absorption for chemical composition analysis : Including Fourier transform infrared spectrometry)
Patent 5661303: Compact moisture sensor with collimator lenses and prismatic coupler
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : Methods : With irradiation or heating of object or material : Measuring infrared radiation reflected from sample : With gaseous sample)
Patent 5661304: Multi-purpose noninterceptive charged particle beam diagnostic device using diffraction radiation and method for its use
(RADIANT ENERGY : WITH CHARGED PARTICLE BEAM DEFLECTION OR FOCUSSING : With detector : Hoods, grating, baffles, diaphragms, masks)
Patent 5661305: Method for monitoring absorbed dose in an electron beam
(RADIANT ENERGY : WITH CHARGED PARTICLE BEAM DEFLECTION OR FOCUSSING : With detector : Hoods, grating, baffles, diaphragms, masks)
Patent 5661306: Stimulable phosphor sheet
(RADIANT ENERGY : INVISIBLE RADIATION RESPONSIVE NONELECTRIC SIGNALLING : Luminescent device : Requiring an additional energy source to cause luminescence : With optically-stimulated phosphor : Rotary motion)
Patent 5661307: Electron beam lithography system
(RADIANT ENERGY : IRRADIATION OF OBJECTS OR MATERIAL : Irradiation of semiconductor devices : With optical member of material to directly modify luminous energy)
Patent 5661308: Method and apparatus for ion formation in an ion implanter
(RADIANT ENERGY : IRRADIATION OF OBJECTS OR MATERIAL : Irradiation of semiconductor devices : Ion bombardment : Plural planar layer type)
Patent 5661309: Electronic cassette for recording X-ray images
(RADIANT ENERGY : SOURCE WITH RECORDING DETECTOR : Charging of objects)
Patent 5661310: Radiation dose mapping systems and methods
(RADIANT ENERGY : SOURCE WITH RECORDING DETECTOR : Using a stimulable phosphor : With image read-out : For specialized application)
Patent 5661311: Semiconductor device and process for fabricating the same
(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 forms active junction with single crystal material (e.g., monocrystal to polycrystal pn junction or heterojunction) : Three or more electrode device)
Patent 5661312: Silicon carbide MOSFET
(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 5661313: Electroluminescent device in silicon on sapphire
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : With particular semiconductor material : Plural heterojunctions in same device)
Patent 5661314: Power transistor device having ultra deep increased concentration
(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) : Cathode emitter or cathode electrode feature : Enhancement mode (e.g., so-called SITs))
Patent 5661315: Controllable power semiconductor component
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : With housing or external electrode : With large area flexible electrodes in press contact with opposite sides of active semiconductor chip and surrounded by an insulating element, (e.g., ring) : With malleable electrode (e.g., silver electrode layer))
Patent 5661316: Method for bonding compound semiconductor wafers to create an ohmic interface
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : With lattice constant mismatch (e.g., with buffer layer to accommodate mismatch) : Having narrow energy band gap (<<1eV) layer (e.g., PbSnTe, HgCdTe, etc.))
Patent 5661317: Solid state image sensor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Charge transfer device : Non-electrical input responsive (e.g., light responsive imager, input programmed by size of storage sites for use as a read-only memory, etc.) : Channel confinement)
Patent 5661318: Junction type field-effect transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : Pn junction gate in compound semiconductor material (e.g., GaAs) : With devices vertically spaced in different layers of semiconductor material (e.g., "3-dimensional" integrated circuit))
Patent 5661319: Semiconductor device having capacitor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With ferroelectric material layer : Imaging array)
Patent 5661320: Semiconductor device and method of manufacturing the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Imaging array)
Patent 5661322: Bidirectional blocking accumulation-mode trench power 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 5661323: Integrated circuit fuse programming and reading circuits
(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 5661324: Relaxation oscillator using integrated RTC structure
(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 passive components (e.g., resistors) : With polysilicon interconnections to source or drain regions (e.g., polysilicon laminated with silicide))
Patent 5661325: SRAM structure
(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 transistor adapted to function as load element for switching insulated gate field effect transistor : Selected groups of complete field effect devices having different threshold voltages (e.g., different channel dopant concentrations))
Patent 5661326: Mask ROM process with self-aligned ROM code implant
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With permanent threshold adjustment (e.g., depletion mode) : With specified physical layout (e.g., ring gate, source/drain regions shared between plural FETs, plural sections connected in parallel to form power MOSFET))
Patent 5661327: Transistor structure and method for fabricating the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Gate electrode of refractory material (e.g., polysilicon or a silicide of a refractory or platinum group metal) : Polysilicon laminated with silicide : Plural gate insulator layers)
Patent 5661328: Photo-receiving device, and method of fabricating a photo-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 : With optical element : With thinned central active portion of semiconductor surrounded by thick insensitive portion (e.g. diaphragm type strain gauge))
Patent 5661329: Semiconductor integrated circuit device including an improved separating groove arrangement
(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 : Geometric configuration of junction (e.g., fingers))
Patent 5661330: Fabrication, testing and repair of multichip semiconductor structures having connect assemblies with fuses
(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) : Sides of isolated semiconductor islands along major crystal planes (e.g., (111), (100) planes, etc.))
Patent 5661331: Fuse bank
(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) : Sides of isolated semiconductor islands along major crystal planes (e.g., (111), (100) planes, etc.))
Patent 5661332: Semiconductor diffused resistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Passive components in ICs : Including resistive element : Both terminals of capacitor isolated from substrate)
Patent 5661333: Substrate for integrated components comprising a thin film and an intermediate film
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : PHYSICAL CONFIGURATION OF SEMICONDUCTOR (E.G., MESA, BEVEL, GROOVE, ETC.) : Containing germanium, Ge)
Patent 5661334: Inter-metal dielectric structure which combines fluorine-doped glass and barrier layers
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH MEANS TO CONTROL SURFACE EFFECTS : Insulating coating : Major crystal plane or axis other than (100), (110), or (111) (e.g., (731) axis, crystal plane several degrees from (100) toward (011), etc.))
Patent 5661335: Semicondutor having selectively enhanced field oxide areas and method for producing same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH MEANS TO CONTROL SURFACE EFFECTS : Insulating coating : Insulating layer recessed into semiconductor surface (e.g., LOCOS oxide) : Insulating layer containing specified electrical charge (e.g., net negative electrical charge))
Patent 5661336: Tape application platform and processes therefor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : On insulating carrier other than a printed circuit board : Details of insulating layer electrical charge (e.g., negative insulator layer charge))
Patent 5661337: Technique for improving bonding strength of leadframe to substrate in semiconductor IC chip packages
(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 5661338: Chip mounting plate construction of lead frame for semiconductor package
(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 5661339: Thin multichip module
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Of specified material other than copper (e.g., Kovar (T.M.)))
Patent 5661340: Dynamic random access memory having a stacked fin capacitor with reduced fin thickness
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With window means : Of insulating material)
Patent 5661341: Method of manufacturing a composite structure for use in electronic devices and structure, manufactured by said 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 5661342: Semiconductor device with heat sink including positioning pins
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With provision for cooling the housing or its contents : With raised portion of base for mounting semiconductor chip)
Patent 5661343: Power hybrid integrated circuit apparatus
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : For plural devices : With gas coolant)
Patent 5661344: Porous dielectric material with a passivation layer for electronics applications
(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 5661345: Semiconductor device having a single-crystal metal wiring
(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 5661346: Customer selectable feed for cigar lighter/power outlet
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : VEHICLE MOUNTED SYSTEMS : Automobile : Series-connected)
Patent 5661347: Circuitry arrangement for controlling a plurality of consumers, in particular lamp ballasts
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL LOAD CIRCUIT SYSTEMS : Selectively connected or controlled load circuits : Condition responsive : By control of one or more load circuits)
Patent 5661348: Method and apparatus for passive input current waveform correction for universal offline switchmode power supply
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Circuit arrangements or layouts)
Patent 5661349: Graceful energization and degradation of an electronic device micropowered by a source of energy in its environment, particularly an
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : MISCELLANEOUS SYSTEMS : Conversion systems : Fluid-pressure actuator)
Patent 5661350: Electromechanical converter device, producing linear motion
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Piezoelectric element shape)
Patent 5661351: Disc drive having a brushless DC drive motor with an external rotor for supporting one or more storage discs
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Inbuilt or incorporated unit : Heat-exchange structure)
Patent 5661352: Connector-equipped spindle motor
(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 5661353: Electrostatic shield for AC motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Mechanical shields or protectors : Shield in air gap : Impulse coupling)
Patent 5661354: High torque DC electric motor with simultaneous battery charging system
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Plural units, structurally united : Motor-generator sets : Induced or eddy current type)
Patent 5661355: Direct-current electric motor and method of manufacturing this motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Field or excitation windings or structure : Single phase)
Patent 5661356: Motor shaft discharge device
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Core features)
Patent 5661357: Electric rotating machine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Fixed structure : Brush holders or rigging : Disc)
Patent 5661358: Demodulation apparatus and communication system using the same
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Surface acoustic wave devices : Interdigitated electrodes : Grating or reflector in wave path :)
Patent 5661359: Vibration type motor device
(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 5661360: Ultrasonic motor having high drive efficiency
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with resonant structure : Direct mechanical coupling : Motor producing continual motion : Traveling wave motor :)
Patent 5661361: Balanced compression accelerometer
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : Including inertia type operator : Detector (e.g., sensor))
Patent 5661362: Flat panel display including electron emitting device
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGE DEVICES HAVING A MULTIPOINTED OR SERRATED EDGE ELECTRODE : Discharge control electrode)
Patent 5661363: Luminated main lens member for an electron gun
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Plural beam generating or control : Convergence : With studs)
Patent 5661364: Simplified mechanical package for EL displays
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Solid-state type : With envelope or encapsulation : With dielectric layer)
Patent 5661365: Tellurium lamp
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : With particular gas or vapor : Envelope layer or coating)
Patent 5661366: Ion beam accelerating device having separately excited magnetic cores
(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 : Accelerating or decelerating the ray between the hollow devices : Plural hollow devices)
Patent 5661367: High pressure series arc discharge lamp construction with simplified starting aid
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : COMBINED LOAD DEVICE OR LOAD DEVICE TEMPERATURE MODIFYING MEANS AND ELECTRICAL CIRCUIT DEVICE STRUCTURE : Discharge device load : Discharge device and circuit impedance : Impedance connected between two electrodes : Tube-type amplifier)
Patent 5661368: Dual-voltage control for an electrical load
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : SPECIAL APPLICATION : Vehicle : Head light systems : Steering mechanism controlled)
Patent 5661369: Charged particle generation with a resonant electrical circuit
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH CATHODE OR CATHODE HEATER SUPPLY CIRCUIT : Pulsating or A.C. supply to the cathode or heater circuit : Thermostatic controlled delaying means)
Patent 5661370: Multi-positionable motion activated light switch
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH RADIANT ENERGY SENSITIVE CONTROL MEANS : Radiant energy controlled regulation of the current supply for the load device : Selective energization of the load devices)
Patent 5661371: Color filter system for light emitting display panels
(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 5661372: Stroboscopic instrument having a gate-controlled-switching element and a step-up power means therefor
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CONDENSER IN THE SUPPLY CIRCUIT : Condenser in shunt to the load device and the supply : Photoflash : Inductance in series with the load device and the supply)
Patent 5661373: Binary digital signal transmission system using binary digital signal of electrically discharged pulse and method for transmitting binary
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Transformer coupling)
Patent 5661374: LED light strip with brightness/current draw control circuitry
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Automatic regulation : Plural field-type generator)
Patent 5661375: Inner raster distortion correction circuit
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CURRENT AND/OR VOLTAGE REGULATION : Automatic regulation : Plural field-type generator)
Patent 5661376: Switching clamp
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : Including color convergence control : Including specified waveform generating circuitry : Parabolic waveform : Device has a flexible wall)
Patent 5661377: Microwave power control apparatus for linear accelerator using hybrid junctions
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : HIGH ENERGY PARTICLE ACCELERATOR TUBE : Magnetic field acceleration means : Linear accelerator (Linac) : With device discharging a condenser)
Patent 5661378: Tractive effort control method and system for recovery from a wheel slip condition in a diesel-electric traction vehicle
(ELECTRICITY: MOTIVE POWER SYSTEMS : PLURAL, DIVERSE OR DIVERSELY CONTROLLED ELECTRIC MOTORS : Slipping and/or racing control for electric motors : With means for effecting other motor interconnections)
Patent 5661379: Electric motor
(ELECTRICITY: MOTIVE POWER SYSTEMS : BATTERY-FED MOTOR SYSTEMS : By auxiliary motor)
Patent 5661380: Method and apparatus for operating an electric vehicle drive system during periods of sensor malfunction
(ELECTRICITY: MOTIVE POWER SYSTEMS : BATTERY-FED MOTOR SYSTEMS : By auxiliary motor)
Patent 5661381: Apparatus for external inductance sensing for variable-reluctance motor commutation
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)
Patent 5661382: Motor drive circuit having a soft switching circuit and a push-pull configuration of transistors operated in a linear mode
(ELECTRICITY: MOTIVE POWER SYSTEMS : MOTOR COMMUTATION CONTROL SYSTEMS : Control of motor load or device driven)
Patent 5661383: Control of slew rate during turn-on of motor driver transistors
(ELECTRICITY: MOTIVE POWER SYSTEMS : MOTOR COMMUTATION CONTROL SYSTEMS : Control of motor load or device driven)
Patent 5661384: Motor control system and method
(ELECTRICITY: MOTIVE POWER SYSTEMS : AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) : Responsive to thermal conditions : Magnitude of movement or revolutions)
Patent 5661385: Window-closing safety system
(ELECTRICITY: MOTIVE POWER SYSTEMS : AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) : Electrical conditions in circuit other than controlled motor circuit : In excess of a predetermined magnitude)
Patent 5661386: Method for assessing in-service motor efficiency and in-service motor/load efficiency
(ELECTRICITY: MOTIVE POWER SYSTEMS : WITH SIGNALS, METERS, RECORDERS OR TESTING DEVICES : Responsive to direction, inclination or angular position of bodies)
Patent 5661387: Device for manipulating objects in a gripper or the like
(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 5661388: Positioning method and positioning system
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Plural servomotors : By deadband at null (e.g., threshold circuits))
Patent 5661389: Compact circuit for controlling a floppy disk driver
(ELECTRICITY: MOTIVE POWER SYSTEMS : OPEN-LOOP STEPPING MOTOR CONTROL SYSTEMS : Having commutating switch-type transmitter)
Patent 5661390: Inverter-fed motor drive with EMI suppression
(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 : Responsive to an additional condition : With controlled a.c. to d.c. circuit in inverter supply :)
Patent 5661391: Apparatus for charging a propulsion battery of an electrically powered vehicle
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Charger inductively coupled to cell or battery : Employing "jumper" cable)
Patent 5661392: Device for causing electronic apparatus to use a selectively mounted non-rechargeable battery pack or rechargeable battery pack
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : MEANS TO IDENTIFY CELL OR BATTERY TYPE : Vehicle battery charging)
Patent 5661393: Circuit and method for detecting and indicating the state of charge of a cell or battery
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : Pulsed : Hysteresis type (e.g., antichattering, etc.) : Pulse-width modulation)
Patent 5661394: Switching power supply
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using choke and switch across source : In bridge)
Patent 5661395: Active, low Vsd, field effect transistor current source
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Linearly acting : Switched (e.g., on-off control))
Patent 5661396: Method for detecting digital carrier signals on twisted pair transmission lines
(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 5661397: Demodulator circuit for determining position, velocity and acceleration of displacement sensor independent of frequency or amplitude changes in
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Inductive : Electrically energized : Differential type (e.g., LVDT) : Including plural current focussing arrays)
Patent 5661398: Two channel eight bearings magnetic resolver circuit using differential amplifiers for lap counting and timing
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Magnetometers : Nonparallel plural magnetic sensors : Plural sensors)
Patent 5661399: Diagnostic magnetic resonance apparatus operable with reduced noise
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)
Patent 5661400: Antenna for nuclear magnetic resonance tomography
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Including a test sample and control sample)
Patent 5661401: Apparatus for generating corrective magnetic field
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Polarizing field magnet : With homogeneity control :)
Patent 5661402: Sealed modular downhole antenna
(ELECTRICITY: MEASURING AND TESTING : OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU : With radiant energy or nonconductive-type transmitter : With separate pickup : Within a borehole :)
Patent 5661403: Apparatus and method for testing a solid electrolyte
(ELECTRICITY: MEASURING AND TESTING : ELECTROLYTE PROPERTIES : Using a conductivity determining device : Which includes particular cell container structure : With axially arranged electrodes)
Patent 5661404: Circuit network measurement device and calibration method
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Calibration : Having a lamp or light indicator)
Patent 5661405: Elongate sensor having polymeric electrodes filled with conductive particles and having braided sleeves
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With object or substance characteristic determination using conductivity effects : For interface : With a probe structure)
Patent 5661406: Methods for detecting and locating leaks in containment facilities using electrical potential data and electrical resistance tomographic imaging
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Lumped type parameters : Using resistance or conductance measurement : With voltage or current signal evaluation : Including a digital or logic circuit)
Patent 5661407: Integrated circuit probe testing device and method
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : DUT including test circuit : Cantilever)
Patent 5661408: Real-time in-line testing of semiconductor wafers
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Test of semiconductor device : Cantilever)
Patent 5661409: Field programmable printed circuit board
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Test of semiconductor device : Cantilever)
Patent 5661410: Method and apparatus for the detection of the current distribution in a conductor of an electric machine
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : Of individual circuit component or element : Motor or generator fault tests : With barrier layer)
Patent 5661411: Feedback controlled load logic circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Bipolar transistor)
Patent 5661412: Reducing programming time of a field programmable gate array employing antifuses
(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 5661413: Processor utilizing a low voltage data circuit and a high voltage controller
(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) : Bipolar transistor)
Patent 5661414: Output circuit for use in a semiconductor integrated circuit
(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 5661415: Output buffer circuit with logic gate control circuitry
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : CMOS)
Patent 5661416: Interface circuit and interface-network system using the same
(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 : Bus driving : Having plural output pull-up or pull-down transistors)
Patent 5661417: Bus system and bus sense amplifier with precharge means
(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 : Having plural output pull-up or pull-down transistors : Having plural output pull-up or pull-down transistors)
Patent 5661418: Signal generation decoder circuit and method
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Decoding : Complementary FET`s)
Patent 5661419: Dynamic phase-frequency detector circuit
(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.) : With reference signal : With varying frequency :)
Patent 5661420: Mounting configuration for monolithic integrated circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By polarity : Selection of a particular polarity : With direction (i.e., positive or negative))
Patent 5661421: Semiconductor integrated data matching circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Comparison between plural varying inputs : Maximum and minimum amplitude)
Patent 5661422: High speed saturation prevention for saturable circuit elements
(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 plural fixed references : Reference derived by feedback)
Patent 5661423: High speed comparator circuits with offset voltage compensation
(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 plural fixed references : Reference derived by feedback)
Patent 5661424: Frequency hopping synthesizer using dual gate amplifiers
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synthesizer : With logic or bistable circuit)
Patent 5661425: Digital PLL circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Synchronizing : With feedback : Phase lock loop : With digital element : With digital element)
Patent 5661426: Logic circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Particular stable state circuit (e.g., tristable, etc.) : Circuit having only two stable states (i.e., bistable) : Master-slave bistable latch : Including field-effect transistor : With digital element)
Patent 5661427: Series terminated clock deskewing apparatus
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Phase shift by less than period of input : Correction to specific phase shift : By phase comparator or detector : Particular device at input, output, or in cross-coupling path)
Patent 5661428: Frequency adjustable, zero temperature coefficient referencing ring oscillator circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : To derive a voltage reference (e.g., band gap regulator) : Including a ferrocapacitor across a tertiary winding)
Patent 5661429: Bi-CMOS circuit
(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 5661430: Circuit for preventing operation of parasitic components in integrated circuits having a power stage and low-voltage control circuitry
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Signal transmission integrity or spurious noise override : Parasitic prevention or compensation (e.g., parasitic capacitance, etc.) : Temperature control)
Patent 5661431: Output circuit in Darlington configuration
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Utilizing three or more electrode solid-state device : Bipolar transistor : Plural : Darlington connection : With bipolar transistor)
Patent 5661432: Linear tunable Gm-C integrator
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Unwanted signal suppression : Active filter : With field-effect transistor)
Patent 5661433: Digital FM demodulator
(DEMODULATORS : FREQUENCY MODULATION DEMODULATOR : Input signal converted to and processed in pulse form (e.g., pulse counter or digital type demodulator) : Including plural detector diodes (e.g., ratio detector type))
Patent 5661434: High efficiency multiple power level amplifier circuit
(AMPLIFIERS : COMBINED WITH AUTOMATIC AMPLIFIER DISABLING SWITCH MEANS : Having signal applied to magnetic means)
Patent 5661435: Low noise wide band amplifier
(AMPLIFIERS : SIGNAL FEEDBACK : Phase shift means in loop path : Positive and negative feedback)
Patent 5661436: High bandwidth video output amplifier circuit for high resolution cathode ray tube image displays
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including push-pull amplifier : Having complementary symmetry : And feedback means :)
Patent 5661437: Negative feedback 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 5661438: Impedance matching circuit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including gain control means : Having attenuation means in signal transmission path : Having emitter degeneration)
Patent 5661439: Method and apparatus for cancelling phase noise
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS :)
Patent 5661440: PLL frequency synthesizer employing plural control frequencies to minimize overshoot
(OSCILLATORS : AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS : Tuning compensation : Motor control of oscillator)
Patent 5661441: Dielectric resonator oscillator and method of manufacturing the same
(OSCILLATORS : WITH ELECTROMAGNETIC OR ELECTROSTATIC SHIELD : Temperature or light responsive)
Patent 5661442: Amplitude control system having parallel integrating signal paths
(MODULATORS : AMPLITUDE MODULATOR : Including electron discharge device)
Patent 5661443: Apparatus and method for an asymmetrical multi-pole monolithic crystal filter having improved phase response
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Using bulk mode piezoelectric vibrator : Plural coupled vibrators : Monolithic structure : Stripline)
Patent 5661444: Multi-channel, narrow-band saw filter
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Electromechanical filter : Using surface acoustic waves : With wave-modifying means (e.g., reflectors, resonators, diffractors, multistrip couplers, etc.) : Monolithic structure)
Patent 5661445: Superconductive magnet assembly
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Superconductive type : With coil structure)
Patent 5661446: Electromagnetic actuator
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With permanent magnet : Induced current-type movable conductor (e.g., eddy current member))
Patent 5661447: Coil bobbin for a magnetic head core
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Coil structure or material : Movable or adjustable cores)
Patent 5661448: Fuse-link chain and method of forming
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Current limiting devices (e.g., high voltage fuses) : Comprising significant fuse link or element structure or arrangement : With fusible metal overlay (e.g., alloy-forming) : With preset deformation)
Patent 5661449: Magnetic multilayer film, method for making, and magnetoresistance device
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Magnetic field or compass (e.g., Hall effect type) : Mechanically adjustable or variable)
Patent 5661450: Low inductance termination resistor arrays
(ELECTRICAL RESISTORS : WITH MOUNTING OR SUPPORTING MEANS : Plural resistors : Plural resistors)
Patent 5661451: Antitheft system for motor vehicles
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Of burglary or unauthorized use : Including keyless entry : Accessory (e.g., speaker, radio face plate, etc.))
Patent 5661453: Wire harness assembly fixture retainer holder and detector
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Curb)
Patent 5661454: Data display device for a vehicular highway driver
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Plural conditions : With particular display means : Inductive)
Patent 5661455: Electrical control system for vehicle options
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : With particular system function (e.g., temperature compensation, calibration) : Selection from a plurality of sensed conditions : Condition position indicator : Display board : Specifying particular start/destination)
Patent 5661456: Theft preventive purse
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Currency, credit card, or container therefor (e.g., wallet or handbag) : Specified connector (e.g., phone jack-type plug))
Patent 5661457: Directional antenna configuration for asset tracking system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Detectable device on protected article (e.g., "tag") : Specified antenna structure : Fence)
Patent 5661458: Electronic house arrest monitoring system with automatic fee collection feature
(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 5661459: Proximity monitoring apparatus employing encoded, sequentially generated, mutually orthogonally polarized magnetic fields
(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 5661460: Distance determination and alarm system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : House arrest system, wandering, or wrong place : Specified device housing or attachment means)
Patent 5661461: Exhaust/supply direction indicator
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Flow rate : Vane in flow path : Having means locking device to article)
Patent 5661462: Bath overflow alarm
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Material level : Liquid : Having means locking device to article)
Patent 5661463: D.C. battery plant alarm monitoring remote apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Condition of electrical apparatus : Battery : By voltage : Thermochromic indication)
Patent 5661464: Snow pack stability monitor
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Position responsive : Geophysical (e.g., fault slip) : Conveyor belt)
Patent 5661465: Alignment system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Position responsive : Alignment or misalignment : Conveyor belt)
Patent 5661466: Angular displacement signalling device
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Position responsive : Shaft or rotary element : Conveyor belt)
Patent 5661467: Method and system for transferring supervisory right requirement in submarine cable communication network system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Lockout or priority (programmed or variable) : Location indication)
Patent 5661468: Radio paging electrical load control system and device
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Paging to control diverse device : Amplitude or polarity controlled)
Patent 5661469: Coupling device, system, and method for coupling a terminal to a generating device
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Addressing : Plural part (e.g., digit) or repetitions : Housing detail)
Patent 5661470: Object recognition system
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Interrogation response : Interrogation signal detail : Wake up (all call) : Audible)
Patent 5661471: Emergency alert system for a protected region employing RF and non-RF signalling
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Additional to other selective control : Item inventorying)
Patent 5661472: Off-lane alarm apparatus
(COMMUNICATIONS: ELECTRICAL : EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM : With particular receiver (e.g., ratiometer))
Patent 5661473: System for the identification and automatic detection of vehicles or objects
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Commodity (e.g., vending))
Patent 5661474: Highway work zone intrusion alarm system
(COMMUNICATIONS: ELECTRICAL : VEHICLE DETECTORS : With pneumatic : Electromechanical movable auxiliary indicator)
Patent 5661476: Keyboard for personal information device
(CODED DATA GENERATION OR CONVERSION : BODILY ACTUATED CODE GENERATOR : Including keyboard or keypad : Having optical waveguide)
Patent 5661477: Methods for compressing and decompressing raw digital SAR data and devices for executing them
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)
Patent 5661478: Conversion between analogue and digital signals
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Data rate conversion : Binary to or from ternary)
Patent 5661479: Oversampling modulation in a D/A converter using a combination of feedforward/feedback coefficients and shift registers
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from differential codes : To or from double density code)
Patent 5661480: Analog-to-digital converters with reduced power and area using offset current compensation
(CODED DATA GENERATION OR CONVERSION : CONVERTER COMPENSATION : Synchro or resolver signal)
Patent 5661481: A/D converter using resistor ladder network and method of testing the same
(CODED DATA GENERATION OR CONVERSION : CONVERTER CALIBRATION OR TESTING : Temperature compensation)
Patent 5661482: Interface circuit having a plurality of thresholding circuits
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Using charge coupled devices or switched capacitances : With rollover feature (i.e., antidoublestrike))
Patent 5661483: Area integrator servo demodulator with on-chip CMOS 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 5661484: Multi-fiber species artificial dielectric radar absorbing material and method for producing same
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADIO WAVE ABSORBER :)
Patent 5661485: Homodyne receiver apparatus and method
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADAR EW (ELECTRONIC WARFARE) : Chaff)
Patent 5661486: Aircraft landing aid device
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : AIRCRAFT LANDING SYSTEM : With transponder)
Patent 5661487: Digital center line filter
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS RADAR SYSTEM : Receiver : Frequency : Doppler frequency tracking : With filter control :)
Patent 5661488: Antenna drive apparatus equipped with a stepping motor
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including antenna orientation : With satellite signal correction)
Patent 5661489: Enhanced electronically steerable beam-forming system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Including a steerable array : With a matrix : Controlled)
Patent 5661490: Time-of-flight radio location system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : With transmisson of bearing or position determinative signals : Iso-chronic type : Satellite selection (i.e., tracking or acquisition))
Patent 5661491: Method and means for reducing interferences in radio receivers
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Beacon or receiver : Direction-finding receiver only : Doppler : Distinctive frequencies equi-signal type)
Patent 5661492: Personal alarm location system and method
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DIRECTIVE : Position indicating (e.g., triangulation) : Having plural transmitters or receivers : Plural receivers only : Unequal distance between at least three antennas)
Patent 5661493: Layered dual frequency antenna array
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5661494: High performance circularly polarized microstrip antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5661495: Antenna device for portable equipment
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)
Patent 5661496: Capacitive coupled extendable antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With radio cabinet :)
Patent 5661497: Antenna for motor vehicles
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body : Rod type :)
Patent 5661498: Polarization-universal radial line slot antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Slot type : Plural : With wave guide coupling :)
Patent 5661499: Spherical dielectric lens with variable refractive index
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna components : Refracting means and radio wave energy filters (e.g., lenses and polarizers) : Dielectric type : Quarter-wave transformer)
Patent 5661500: Full color surface discharge type plasma 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 5661501: Driving method of plasma-addressed 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 5661502: Self-adjusting digital filter for smoothing computer mouse movement
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Having variable cursor speed : Scaling)
Patent 5661503: Polycrystalline silicon-based substrate for liquid jet recording head, process for producing said substrate, liquid jet recording head in
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With thermal force ejection : Composite ejector : Resistor specifics)
Patent 5661504: Cursor control device construction
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Cursor mark position control device : Mouse : Rotatable ball detector : Enlargement only)
Patent 5661505: Single hand-controlled computer input device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Portable (i.e., handheld, calculator, remote controller) : Optical detector)
Patent 5661506: Pen and paper information recording system using an imaging pen
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Stylus : With alignment or calibration capability (i.e., parallax problem))
Patent 5661507: Inkjet printing modes to optimize image-element edges for best printing quality
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Fluid content (e.g., moisture or solvent content, ink refilling, liquid level))
Patent 5661508: Ink jet recording method and apparatus for recording thinned recording data
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Fluid content (e.g., moisture or solvent content, ink refilling, liquid level))
Patent 5661509: Apparatus and process for printing large graphics
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Responsive to condition : Full-line array)
Patent 5661510: Ink-jet cartridge venting
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : With integral ejector : Drop sensors)
Patent 5661511: Ink-jet printing method and method of producing print
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid (e.g., fluid specifics) : Ink : With carrier)
Patent 5661512: Thermal printer and thermal head control method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Multicolor : Single-head type (e.g., multipass) : Having multilayers colored transfer material : Fixing or fusing)
Patent 5661513: Thermal head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Specific resistance recording element type : Glazed layer : Using pulse width modulation)
Patent 5661514: Method and apparatus for controlling a thermal print head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Having driving circuitry for recording means : Specific conductor means (e.g., electrode, conducting pattern, etc.))
Patent 5661515: Printer with feed fault detection
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Record receiver and transfer medium feeding or driving means : Specific conductor means (e.g., electrode, conducting pattern, etc.))
Patent 5661516: System and method for selectively distributing commercial messages over a communications network
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : PROGRAM, MESSAGE, OR COMMERCIAL INSERTION OR SUBSTITUTION : Based on demographics or geographical area : Combined with detecting VCR operation)
Patent 5661517: Interactive intelligent video information system
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : OPERATOR INTERFACE : Interactive product selection : Selecting from multiple inputs or sources)
Patent 5661518: Methods and apparatus for the creation and transmission of 3-dimensional images
(TELEVISION : STEREOSCOPIC : Color TV)
Patent 5661519: Video camera fashioned as a handpiece for observing subjects in mouth of a patient
(TELEVISION : SPECIAL APPLICATIONS : With endoscope : Dental : Separation by color (i.e., anaglyphic))
Patent 5661520: Energy resolved emission microscopy system and method
(TELEVISION : SPECIAL APPLICATIONS : Manufacturing : Quality inspection : Color sequential illumination)
Patent 5661521: Smear correction of CCD imager using active pixels
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Smear : In charge coupled type sensor :)
Patent 5661522: TV camera provided with solid image pick-up element
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With plural image scanning devices : With DC level control)
Patent 5661523: Moving picture coding method and an apparatus therefor
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Including one conventional or compatible channel (e.g., two channel NTSC systems))
Patent 5661524: Method and apparatus for motion estimation using trajectory in a digital video encoder
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Bidirectional : Subband coding)
Patent 5661525: Method and apparatus for converting an interlaced video frame sequence into a progressively-scanned sequence
(TELEVISION : FORMAT CONVERSION : Line doublers type (e.g., interlace to progressive IDTV type) : Motion adaptive : Motion adaptive)
Patent 5661526: Broadcast signal receiver and tape recorder and, method of detecting additional information channel
(TELEVISION : NONPICTORIAL DATA PACKET IN TELEVISION FORMAT : Data separation or detection : Frequency change of subcarrier)
Patent 5661527: Automatic video signal identification
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : Multimode (e.g., composite, Y, C; baseband RF) : Format detection : Color processing)
Patent 5661528: Apparatus and method for controlling operation of a high defination television adaptive equalizer
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Specified color (e.g., saturation and contrast control))
Patent 5661529: Measurement of noise impairments of TV signals
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Specified color (e.g., saturation and contrast control))
Patent 5661530: Television circuit utilizing color burst signal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Color killer : For quadrature signal (e.g., NTSC))
Patent 5661531: Tiled, flat-panel display having invisible seams
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Interconnection of plural cells in parallel (e.g., edge to edge) : Fluorescent light source)
Patent 5661532: Chiral smectic liquid crystal device
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Particular nonoptical film or layer (e.g., adhesive layer, barrier layer) : Alignment layer : For parallel alignment : With chiral smectic liquid crystal (includes ferroelectric liquid crystal) : With particular polymer composition of the alignment layer (e.g., fluorine- containing aliphatic polyamide) :)
Patent 5661533: Ultra fast response, multistable reflective cholesteric liquid crystal displays
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL : Utilizing change within liquid crystal phase (e.g., Grandjean to focal conic, etc.) : Nonchiral additive in the liquid crystal material)
Patent 5661534: Peripheral vision limiting visor
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Methods of use)
Patent 5661535: Eyeglasses adjustable in wearing angle
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Temples : Inclined to lens plane : Screwless lens mounting)
Patent 5661536: Connecting device for attaching a temple to an eyewear lens
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Temples : With connector : Screwless lens mounting)
Patent 5661537: Ophthalmic auxiliary instrument and ophthalmic system using the same instrument
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Combined : Neck retainers)
Patent 5661538: Portable self-measurement pupillometer with active opto-electronic centering aid and method for use thereof
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Subjective type : Including target image projection : Movable along optical axis)
Patent 5661539: Visual tool for assessing the ergonomic position of a video display terminal
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Subjective type : Including test chart or target : Tachistoscope type)
Patent 5661540: Lens array and close contact type image sensor using the same
(PHOTOCOPYING : INCLUDING FIBER OPTICS :)
Patent 5661541: Photographic copying apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : With cathode ray tube for light source : Having document handling detection)
Patent 5661542: Apparatus and method of recording an image in which the developing material is held, pressed, heated, and conveyed
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : With developing : Book page copying)
Patent 5661543: Photosensitive material feed mechansim for auto-printer's exposure station
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Regulating light intensity or exposure time)
Patent 5661544: Exposure correcting method for a photographic printer and photographic printing apparatus
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Including photocell : Including)
Patent 5661545: Strip recording media exposure using a rotating drum recorder
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Image transferred to or from curved surface : Reflector in optical path)
Patent 5661546: Projection exposure apparatus and method with changing imaging characteristics and illumination conditions
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)
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