Patents 5661547 - 5661801
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Patent 5661547: Exposure method and apparatus and device produced thereby in which a stop includes an opening which is variable to substantially compensate
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)
Patent 5661548: Projection exposure method and apparatus including a changing system for changing the reference image-formation position used to generate a
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Focus or magnification control : Reflector between original and photo-sensitive paper)
Patent 5661549: Variable sized and proportioned window for cropping photographs
(PHOTOCOPYING : CONTACT PRINTING : Frames : With diffusing or masking (e.g., vignetting) : Adjustable parameters : Indeterminate-length carrier and receiver)
Patent 5661550: Method and apparatus for detecting a width of a printing medium manually fed to an image forming apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Responsive to copy media characteristic : Single detector for plural toners)
Patent 5661551: Optical radar apparatus and adjusting method therefor
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of pulse transit time : Having different frequency sources)
Patent 5661552: Forgery-preventing document reading device based on microwave reflection
(OPTICS: MEASURING AND TESTING : DOCUMENT PATTERN ANALYSIS OR VERIFICATION : Lamp attachments)
Patent 5661553: Method of detecting variation in the diameter of an optical fiber and optical fiber fabrication method
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)
Patent 5661554: Method of and device for measuring the nonlinear refractive index in a single mode optical fibre
(OPTICS: MEASURING AND TESTING : FOR OPTICAL FIBER OR WAVEGUIDE INSPECTION : Lamp attachments)
Patent 5661555: Method and apparatus for determining the roll angle position of a rotating flying body
(OPTICS: MEASURING AND TESTING : ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT : Relative attitude indication along 3 axes with photodetection : With reticle or slot)
Patent 5661556: System for measuring the total integrated scatter of a surface
(OPTICS: MEASURING AND TESTING : PHOTOMETERS : Integrating spheres : Absorber continuously variable (e.g., wedge))
Patent 5661557: Combined complementary filtering spectrum analysis device, in particular for RAMAN spectrometry
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With Raman type light scattering : With particular illumination means)
Patent 5661558: Optical detector for flowing sample and optical detection method for flowing sample
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrophotometer (i.e., plural beam) : By light)
Patent 5661559: Optical surface detection for magnetic disks
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Contour or profile : By wavefront detection : Having wavefront division (e.g., by diffraction))
Patent 5661560: Elliptical light measuring method
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : Having wavefront division (by diffraction))
Patent 5661561: Dimensioning system
(OPTICS: MEASURING AND TESTING : DIMENSION : Width or diameter : Of light permeable material)
Patent 5661562: Tomographic imaging system with scanning apertures
(OPTICS: MEASURING AND TESTING : FOR LIGHT TRANSMISSION OR ABSORPTION : For flaws or imperfections)
Patent 5661563: Reflectance spectroscope with read head for minimizing singly-reflected light rays
(OPTICS: MEASURING AND TESTING : OF LIGHT REFLECTION (E.G., GLASS) : With diffusion : With scanning, sweeping, or moving detector over film)
Patent 5661564: Facsimile system operable in toner save mode, depending upon importance of original image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5661565: Method and apparatus for aligning a cylinder in an engraver
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Engraving or perforating material to form a printing surface (e.g., printing plate, cylinder, or stencil) : Mechanical arrangement for forming a printing surface : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5661566: Method for making a plurality of printing plates
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : With paper cutter : Document feed)
Patent 5661567: Complex recording apparatus having analog copying function and a digital facsimile function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific image-processing circuitry)
Patent 5661568: Data communication apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Transmitter and receiver both supply auxiliary signal(s) : Coded image communication rate)
Patent 5661569: Facsimile adapter unit having error detecting function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile system interface : Facsimile alarm)
Patent 5661570: Image-data processing apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Multi-level image reproduction (e.g., gray level reproduction) :)
Patent 5661571: Image reading device
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Carrier wave modulation)
Patent 5661572: Automatic sheet conveying mechanism
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Document feed : Scanning element moves relative to a flat stationary document)
Patent 5661573: Image reading apparatus having a roller supported by a flexible shaft
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Document feed : Scanning element moves relative to a flat stationary document)
Patent 5661574: Image processing method and apparatus for adding identifying information to an image portion and forming the portion at a lower of plural
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Image reproduction : Page or frame memory)
Patent 5661575: Gradation correction method and device
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Gamma correction : With plural sensors)
Patent 5661576: Color facsimile apparatus which selectively displays an image indicated by compressed image data or forms an image indicated by the compressed
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : Image coding (encoder/decoder) : Halftone screening)
Patent 5661577: Incoherent/coherent double angularly multiplexed volume holographic optical elements
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using modulated or plural reference beams : Spatial, phase or amplitude modulation : Crystalline material)
Patent 5661578: Color liquid crystal display backlight system for night vision imaging system compatibility
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Particular illumination : With integral optical element for guiding or distributing light from the light source : Edge lit type light guide behind liquid crystal : Varistor)
Patent 5661579: Manufacturing method for liquid crystal display having matched liquid crystal and MIM element capacitances for enhancing contrast ratio
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With particular switching device : Transistor : With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure)
Patent 5661580: SCM type of optical signal transmission system without clipping distortion
(OPTICAL COMMUNICATIONS : MULTIPLEX : Subcarrier multiplexing : Time and wavelength division)
Patent 5661581: Optical communication unit
(OPTICAL COMMUNICATIONS : OPTICAL TRANSCEIVER : Including compensation : Including optical fiber or waveguide)
Patent 5661582: Photonic interconnect and photonic processing for communications and data handling satellites
(OPTICAL COMMUNICATIONS : OPTICAL COMMUNICATION OVER FREEE SPACE : Satellite system : Power control)
Patent 5661583: Fiber optical data interface system
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Including optical waveguide : Including optical fiber or waveguide)
Patent 5661584: Optoelectronic apparatus
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Power)
Patent 5661585: Passive optical network having amplified LED transmitters
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical local area network (LAN) : Passive star : Repeater)
Patent 5661586: Optical positioning system for at least one picture element
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Plural moving scanning elements : Having a common axis of rotation :)
Patent 5661587: Optical scanning system
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Having particular focusing element to receive scanned light : Having a common axis of rotation)
Patent 5661588: Rotary polygon mirror type light deflecting system
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Including reflective type moving element : Having multifaceted rotating element : Single plane mirror element)
Patent 5661589: Bilateral slit assembly, and method of use
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT CONTROL BY OPAQUE ELEMENT OR MEDIUM MOVABLE IN OR THROUGH LIGHT PATH : Slit type : String or ribbon type)
Patent 5661590: Quantum well infrared photo detector and monolithic chopper
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Modulation of polarized light via modulating input signal : Using reflective or cavity structure : Semiconductor :)
Patent 5661591: Optical switch having an analog beam for steering light
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : By changing physical characteristics (e.g., shape, size or contours) of an optical element : Thermo-optic)
Patent 5661592: Method of making and an apparatus for a flat diffraction grating light valve
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : By changing physical characteristics (e.g., shape, size or contours) of an optical element : Shape or contour of light control surface altered : Amplitude modulation)
Patent 5661593: Linear electrostatic modulator
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : By changing physical characteristics (e.g., shape, size or contours) of an optical element : Shape or contour of light control surface altered : Light control surface forms image on projected light beam : With particular direction of the field in relation to the medium, beam direction or polarization)
Patent 5661594: Controllable optical periodic surface filters
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) : Opto-optical device : Light control surface formed or destroyed)
Patent 5661595: Tunable, optical parametric oscillator
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Parametric oscillator : Third harmonic)
Patent 5661596: Antireflection film and exposure apparatus using the same
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Multilayer filter or multilayer reflector : Infrared lens)
Patent 5661597: Image deflection apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Having ultraviolet absorbing or shielding property)
Patent 5661598: Optical instrument
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Illuminator : With optical switching means : Binocular)
Patent 5661599: Reproduction device for production of stereoscopic visual effects
(OPTICAL: SYSTEMS AND ELEMENTS : STEREOSCOPIC : Having record with lenticular surface : Lenticular)
Patent 5661600: Transmission type screen and method of manufacturing thereof
(OPTICAL: SYSTEMS AND ELEMENTS : PROJECTION SCREEN : Unitary sheet comprising plural refracting areas : Lenticular : Rear projection screen : With Fresnel lens : Spacing of optical elements axially adjustable)
Patent 5661601: Projection method and projection system and mask therefor
(OPTICAL: SYSTEMS AND ELEMENTS : DIFFRACTION : Using Fourier transform spatial filtering : For changing zeroth order intensity : Including a threaded member)
Patent 5661602: Beam splitter
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT INTERFERENCE : Produced by coating or lamina : Beam splitter or combiner : Laminated or layered)
Patent 5661603: Image display apparatus including a first and second prism array
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By surface composed of lenticular elements : Plural lenticular plates : Serially disposed along optic axis : Translucent or other semitransmitting panel selectively positioned in front of mirror)
Patent 5661604: Image display apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : With path length or aberration correcting element : With additional reflector (e.g., serial reflections, etc.))
Patent 5661605: Computer keyboard
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including keyboard support : Fluid)
Patent 5661606: Zoom lens with high zoom ratio and including two lens units
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Two groups : + - + Arrangement)
Patent 5661607: Lens for reading out optical recording medium
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Including a nonspherical surface : Having one component : Objective for laser (e.g., optical disc, etc.) : With specific ring means)
Patent 5661608: Light box for optical valve
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With viewed object or viewed field illumination : Illumination through lens : + - Arrangement)
Patent 5661609: Lens mount
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With axial adjustment (e.g., adjustable focus, etc.) : Sliding barrels : Having a biconvex single element component)
Patent 5661610: Telescope for infrared or visible imaging
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : With successive reflections : Including curved mirror surfaces in series : With concave and convex mirrors in series : Sliding barrels)
Patent 5661611: Thin film actuated mirror array and method for the manufacture thereof
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : With support : Concave)
Patent 5661612: Magnetic head driving device and magnetooptical recording apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Thermomagnetic recording or transducers : With incremental movement between record and head)
Patent 5661613: Rotary transformer circuit for multiple head video cassette recorder employing a single channel rotary head transformer
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Signal switching : With incremental movement between record and head)
Patent 5661614: Method and apparatus for error recovery for unstable magnetorestrictive heads
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Specifics of biasing or erasing : Between heads in alternate engagement with medium)
Patent 5661615: Detection of mechanical defects in a disc drive using resonant frequencies
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Stopping or reversing)
Patent 5661616: Track servo control method for data cartridge tape drives
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Elongated web carrier (i.e., tape) : By tracking signal recorded on or immediately beneath surface)
Patent 5661617: Head positioning control system
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track changing : For rotary carrier (e.g., disc) : Plural tapes)
Patent 5661618: Magnetic recording device having a improved slider
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Environmental control (e.g., air filter, temperature control) : Plural reels)
Patent 5661619: Gimballing flexure with static torque offset compensation feature
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Load beam detail : Gimbal mounting region detail : Pivot/load button detail : Voice coil adjuster)
Patent 5661620: Magneto-resistance effect magnetic head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having multiple interconnected single film MR sensors (e.g., dual magnetoresistive sensor) : Plural actuators)
Patent 5661621: Magnetoresistive head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having Giant Magnetoresistive (GMR) or Colossal Magnetoresistive (CMR) sensor formed of multiple thin films : Having one film pinned (e.g., spin valve) : Pivot/load button detail)
Patent 5661622: Rotary magnetic head cylinder device for reduced vibration and proper head/type alignment
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Record guide : Tape record : Rotating head : Helical scan : Head drum details :)
Patent 5661623: Ground fault circuit interrupter plug
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Ground fault protection : Transformer with structurally combined protective device)
Patent 5661624: Foldback current limiting of a telephone line switch
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific quantity comparison means : Voltage and current : With time delay before reclosing)
Patent 5661625: Circuit device for unstable power source transient state compensation and low voltage cutoff protection of an active controller component
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific voltage responsive fault sensor : Undervoltage : Protection for thyristor)
Patent 5661626: Excess current detection and control circuit for power source in semiconductor test system
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : Digital control : Protection for thyristor)
Patent 5661627: Arrangement for controlling the switching of a power circuit breaker
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific circuit breaker or control structure : Plural conductors in single sheath (e.g., compound))
Patent 5661628: Fused surface mounting type solid electrolytic capacitor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : With protection or compensating means : For electrical irregularities : With thermal fuse : Threshold device (neon tube))
Patent 5661629: High conductivity crosslinked electrolyte materials and capacitors incorporating the same
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROLYTIC SYSTEMS OR DEVICES : Liquid electrolytic capacitor : With significant electrolyte : Salt solute : Spacer details)
Patent 5661630: Precision-aligned monitor-frame unit in combination with chassis and housing and method of assembling frame
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)
Patent 5661631: Computer system having color-coded printed circuit boards and corresponding slats
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)
Patent 5661632: Hand held computer with dual display screen orientation capability controlled by toggle switches having first and second non-momentary
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)
Patent 5661633: Keyboard and screen peripheral device for a computer and a desk pad
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)
Patent 5661634: Information processing system using portable terminal unit and data communication adapter therefor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Memory unit support : Air)
Patent 5661635: Reusable housing and memory card therefor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Memory unit support : Air)
Patent 5661636: IC card with on-board hard disk and circuit board with on-board hard disk including a cover with a bulging portion accommodating the hard
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Memory unit support : Disk drive support : With plug-in circuit breakers)
Patent 5661637: Thermal management system having a thermally conductive sheet and a liquid transporting material
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : With cooling means : Disk drive support)
Patent 5661638: High performance spiral heat sink
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : Air : With air circulating means : Fan or blower : With heat sink or cooling fins :)
Patent 5661639: Structure for attaching a heat sink to a semiconductor device
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : With cooling fins)
Patent 5661640: Computer chassis having a size-adjustable, TEM-shielded circuit board support plate structure therein
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Plural : With housing or chassis : Specific latching or retaining device : Circuit board mounted)
Patent 5661641: Portable telephone having a reversible and sliding card casing
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Radio type : With particular insulation)
Patent 5661642: Switching power supply
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, separately-driven type : With automatic control of the magnitude of output voltage or current : For flyback-type converter : Having feedback isolation (e.g., optoisolator, transformer coupled, etc.) : Having particular pulse-width modulation circuit)
Patent 5661643: Universal power module
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, separately-driven type : With automatic control of the magnitude of output voltage or current : For flyback-type converter : Having feedback winding inductively coupled to inverter inductive device (e.g., tertiary winding, etc.) : Having particular pulse-width modulation circuit)
Patent 5661644: Converter circuit, circuitry having at least one switching device and circuit module
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including automatic or integral protection means : For inverters : Transistor inverter : Thyristor)
Patent 5661645: Power supply for light emitting diode array
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For rectifier system : With transistor control means in the line circuit : For full wave rectifier with at least 1 three electrode device)
Patent 5661646: Multi-phase DC-DC chopper with different number of phases
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In chopper converter systems : With discharge control means (e.g., grid))
Patent 5661647: Low temperature co-fired ceramic UHF/VHF power converters
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Integrated circuit : Adapted for use with alternators)
Patent 5661648: Control system for a book-binding machine
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Having identification controlled manufacturing operation)
Patent 5661649: Airborne gravity and magnetic field surveying method
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Earth science :)
Patent 5661650: System for controlling a vehicle relative to a judged shape of a travel road
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Antispin, traction control, or drive slip control : Control of brake pressure)
Patent 5661651: Wireless vehicle parameter monitoring system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Antispin, traction control, or drive slip control : Restricting differential operation : Having fuel cutting or ignition timing retarding)
Patent 5661652: Mobile network with automatic position reporting between member units
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Location monitoring : Based on request signal : Based on service quality (e.g., bandwidth, etc.))
Patent 5661653: Custom class selection in automated mail processing
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : FOR COST/PRICE : Postage meter system : Specialized function performed : With paper check handling)
Patent 5661654: Method of correcting error in mounting workpiece and apparatus therefor
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Performance monitoring : Condition of tool or workpiece (e.g., tolerance, tool wear) : Offsetting : Roll eccentricity compensation)
Patent 5661655: Method for creating a conjugated profile corresponding to a conjugate surface in a motion conversion device
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Having operator interface feature : Including CAD, CAM, or CIM technique : Tool/workpiece interference prevention)
Patent 5661656: Method and apparatus for improved tool set-up and adjustment using thin tactile sensors
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Having particular measuring device (e.g., probe) : Positional compensation or modification compensation or mod)
Patent 5661657: System and method for performing multiple, random, asynchronous electrostatic discharges
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : TESTING SYSTEM : Circuit tuning (e.g., potentiometer, amplifier))
Patent 5661658: Electrical system monitoring apparatus with programmable custom display
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Waveform analysis : Display of waveform : Having specified user interface (e.g., marker, menu) : Hydrocarbon prospecting)
Patent 5661659: Instrumentation power supply and read unit for testing gearboxes through various speeds and gears
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : TESTING SYSTEM : Of mechanical system : Sinusoidal signal stimulus)
Patent 5661660: Method for providing multiple function symbols
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN :)
Patent 5661661: Method for processing a hardware independent user description to generate logic circuit elements including flip-flops, latches, and
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Logical circuit synthesizer : PLA, PLD, FPGA, OR MCM)
Patent 5661662: Structures and methods for adding stimulus and response functions to a circuit design undergoing emulation
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Routing (e.g., routing map, netlisting) : PLA, PLD, FPGA, OR MCM : Timing analysis (e.g., delay time, path delay, latch timing))
Patent 5661663: Physical design automation system and method using hierarchical clusterization and placement improvement based on complete re-placement
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Floorplanning : Design verification (e.g., wiring line capacitance, fan-out checking, minimum path width))
Patent 5661664: One-terminal data fault location system and process for locating a fault
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Electrical power generation or distribution system : System protection (e.g., circuit interrupter, circuit limiter, voltage suppressor) : Abnormal power, current, or impedance condition : For turbine speed control)
Patent 5661665: Multi-media synchronization
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Arrangements for multiplexing one video signal, one or more audio signals, and a synchronizing signal : Involving minimum, maximum, or average of block)
Patent 5661666: Constant false probability data fusion system
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Performance or efficiency evaluation : Probability determination)
Patent 5661667: 3D imaging using a laser projector
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Position measurement : Coordinate positioning : Frequency)
Patent 5661668: Apparatus and method for analyzing and correlating events in a system using a causality matrix
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Performance or efficiency evaluation : Computer and peripheral benchmarking : Cause or fault identification)
Patent 5661669: Method for controlling semiconductor wafer processing
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Quality evaluation : Quality control : Frequency)
Patent 5661670: Method and system for simulating heat and mass transfer in cooling towers
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : ELECTRICAL ANALOG SIMULATOR : Of physical phenomenon (e.g., heat, wave, geophysics) :)
Patent 5661671: Bending angle detecting position setting device
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : SIMULATING NONELECTRICAL DEVICE OR SYSTEM : Mechanical :)
Patent 5661672: Process for mask irrelevant measured values in an unbalance measuring signal
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Measured signal processing : Signal extraction or separation (e.g., filtering) : Cause or fault identification)
Patent 5661673: Power efficient booth multiplier using clock gating
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiplication : Binary : Repeated addition : Multiple digit :)
Patent 5661674: Divide to integer
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Division : Binary)
Patent 5661675: Positive feedback circuit for fast domino logic
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Addition/subtraction : Binary)
Patent 5661676: Semiconductor memory and method of fabricating the same
(STATIC INFORMATION STORAGE AND RETRIEVAL : INTERCONNECTION ARRANGEMENTS : Magnetic)
Patent 5661677: Circuit and method for on-board programming of PRD Serial EEPROMS
(STATIC INFORMATION STORAGE AND RETRIEVAL : INTERCONNECTION ARRANGEMENTS : Magnetic)
Patent 5661678: Semiconductor memory device using dynamic type memory cells
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Capacitors : Same size apertures)
Patent 5661679: Delay circuit having a plurality of memory cells and corresponding control circuits for controlling the movement of a signal through the
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Capacitors : Same size apertures)
Patent 5661680: Analog output buffer circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Capacitors : Same size apertures)
Patent 5661681: Semiconductor memory and method of writing, reading, and sustaining data thereof
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Semiconductive : Plural emitter or collector : Biax)
Patent 5661682: Nonvolatile semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Logic connection (e.g., NAND string) : Weak inversion injection)
Patent 5661683: On-chip positive and negative high voltage wordline x-decoding for EPROM/FLASH
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Logic connection (e.g., NAND string))
Patent 5661684: Differential sense amplifier
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Reference signal (e.g., dummy cell) : Sensing circuitry (e.g., current mirror) :)
Patent 5661685: Programmable logic device with configurable power supply
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Reference signal (e.g., dummy cell) : Verify signal :)
Patent 5661686: Nonvolatile semiconductor memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Drive circuitry (e.g., word line driver) : Verify signal)
Patent 5661687: Drain excluded EPROM cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Threshold setting (e.g., conditioning) : Verify signal)
Patent 5661688: Semiconductor memory device with an extended data output mode
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Signals : Delay : Variable threshold)
Patent 5661689: Semiconductor device incorporating fuse-type roll call circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)
Patent 5661690: Circuit and method for performing tests on memory array cells using external sense amplifier reference current
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)
Patent 5661691: Simple layout low power data line sense amplifier design
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Noise suppression : Differential sensing : Semiconductors : Radiation erasure)
Patent 5661692: Read/write dual port memory having an on-chip input data register
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Multiple port access : Alternate addressing (e.g., even/odd))
Patent 5661693: Memory device for synchronously reading and writing data
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Magnetic)
Patent 5661694: Programmable semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Transition detection : Magnetic)
Patent 5661695: Burst EDO memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Transition detection : Magnetic)
Patent 5661696: Methods and apparatus for determining error in formation parameter determinations
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Well logging : Amplitude measurement : Of noncompressional acoustic wave energy :)
Patent 5661697: Method and apparatus for detection of sand formations in amplitude-versus-offset seismic surveys
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Land-reflection type : Signal analysis and/or correction : Amplitude : Inverse filters)
Patent 5661698: Method for modelling the spatial distribution of geometric objects in an environment, such as faults in a geologic formation
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Land-reflection type : Synthetic seismograms and models : 3-D)
Patent 5661699: Acoustic communication system
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : UNDERWATER SYSTEM : Analog speech communication : Addition or subtraction)
Patent 5661700: Synchronizable local clock for industrial controller system
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : PLURAL TIMEPIECE SYSTEM OR SYSTEM DEVICE (E.G., PRIMARY OR SECONDARY CLOCKS) : Having pointer controlled by timepiece)
Patent 5661701: Optical pickup using split beams impinging on different photodetector areas
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : Light beam generation : Polarized light beam : Based on referenced test signal)
Patent 5661702: Compact disc visual/audio display system
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SIMULTANEOUS DIVERSE TYPES OF STORAGE OR RETRIEVAL : Magnetic field and light beam)
Patent 5661703: Optical recording medium having a non-volatile identification code and method for encoding data using same
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SIMULTANEOUS DIVERSE TYPES OF STORAGE OR RETRIEVAL : Magnetic field and light beam)
Patent 5661704: Optical unit for optically scanning an information surface, and optical scanning arrangement including the optical unit
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Optical head servo system structure : Scanning turntable)
Patent 5661705: Optical disk pickup control apparatus and method providing stabilized search operations
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Initialization/start-up or changing modes of system : While track jumping or crossing : Means to mask or shield a portion of the beam)
Patent 5661706: Recording and reproducing apparatus and recording and reproducing method providing real time editing while data is being input
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONDITION INDICATING, MONITORING, OR TESTING : Including radiation storage or retrieval : Having abnormal condition indicating : System disturbance : Defect)
Patent 5661707: Method and apparatus for recording an information signal with scrambling thereof
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : BINARY PULSE TRAIN INFORMATION SIGNAL : Having specific code or form generation or regeneration processing : During storage : Signal error correcting or detecting)
Patent 5661708: Apparatus and method for detecting a sync pattern and an address mark within data provided from a recording medium
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONTROL OF STORAGE OR RETRIEVAL OPERATION BY A CONTROL SIGNAL TO BE RECORDED OR REPRODUCED : Control of information signal processing channel : For multiplexing or demultiplexing : Of sub-code information : Having location identification information : Having particular mechanism or slot for transferring disc into changer from outside)
Patent 5661709: Digital signal detection circuit
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : BINARY PULSE TRAIN INFORMATION SIGNAL : Including sampling or A/D converting : By interpolating or maximum likelihood detecting : Signal error correcting or detecting)
Patent 5661710: Record carrier, recording device and reading device
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SYSTEMS HAVING PLURAL PHYSICALLY DISTINCT INDEPENDENT TRACKS ON A SINGLE STORAGE MEDIUM SURFACE : Continuous consecutive storage or retrieval of interrupted track for single signal (e.g., automatic reversal) : Tracks transverse to a motion component : Signal error correcting or detecting)
Patent 5661711: Optical recording and reproducing apparatus
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONDITION INDICATING, MONITORING, OR TESTING : Including radiation storage or retrieval : Of record carrier : Relative transducer to medium misalignment (e.g., relative tilt))
Patent 5661712: Light phase modulating device and optical data recording and reproducing apparatus
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Light intensity adjustment or maintenance : With driving or stabilizing mechanism)
Patent 5661713: Optical information reproducing apparatus with a threshold level generator to eliminate DC level fluctuation
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : BINARY PULSE TRAIN INFORMATION SIGNAL : Binary signal level detecting using a reference signal : Within a frequency band)
Patent 5661714: CD-ROM handling apparatus and method
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : INFORMATION LOCATION OR REMOTE OPERATOR ACTUATED CONTROL : Selective addressing of storage medium (e.g., programmed access) : Of optical storage medium : Plural optical storage media in library system : Plural media are discs stored in cartridges : Having specified picker : Magnetic domain wall)
Patent 5661715: Mass produced multisessions disc for playback on audio-only and CD-ROM players
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Optical track structure (e.g., phase or diffracting structure, etc.) : Pit/bubble/groove structure specifies : Disc holding or locating (e.g., spindle structure))
Patent 5661716: Magneto-optical recording medium and reproducing method therefor
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Optical track structure (e.g., phase or diffracting structure, etc.) : Turntable)
Patent 5661718: Simultaneous analog and digital communication
(MULTIPLEX COMMUNICATIONS : GENERALIZED ORTHOGONAL OR SPECIAL MATHEMATICAL TECHNIQUES : Quadrature carriers : Having a signaling constellation :)
Patent 5661719: Method for activating a backup network management station in a network management system
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Level multiplex)
Patent 5661720: Multi-ring network having plural rings connected by node
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative station : In a ring or loop network : Using a secondary ring or loop :)
Patent 5661721: Method of and apparatus for receiving concentrated calls
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Control of data admission to the network : Spare channel)
Patent 5661722: Usage parameter control and performance monitoring apparatus used for cell stream in ATM network
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Flow control of data transmission through a network : Based on data flow rate measurement)
Patent 5661723: Radiocommunication system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Using time division multiplexing)
Patent 5661724: Satellite diversity scheme
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Airborne or space satellite repeater : Multiple access (e.g., FDMA) : Time division (TDMA) : Synchronization :)
Patent 5661725: Trunk-conditioning for reconfigurable T1 access to nodal services
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Time switch, per se (e.g., T or T-T) : Having supervisory signaling : Having details of control storage arrangement)
Patent 5661726: Advanced communication system architecture
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Carrier sense multiple access (CSMA) : Using channel reservation)
Patent 5661727: Schemes to determine presence of hidden terminals in wireless networks environment and to switch between them
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Carrier sense multiple access (CSMA) : Using channel reservation)
Patent 5661728: Decoder for audio signals of compressed and coded audiovisual streams
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Synchronizing : Bus extenders)
Patent 5661729: Semiconductor memory having built-in self-test circuit
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Memory testing : Read-in with read-out and compare : Loop-back)
Patent 5661730: Same state and opposite state diagnostic test for ferroelectric memories
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Memory testing : Read-in with read-out and compare : Special test pattern (e.g., checkerboard, walking ones) : Bus or I/O channel device fault)
Patent 5661731: Method for shrinking a clock cycle when testing high speed microprocessor designs
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Error mapping or logging)
Patent 5661732: Programmable ABIST microprocessor for testing arrays with two logical views
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Programmable logic array (PLA) testing : Special test pattern (e.g., checkerboard, walking ones))
Patent 5661733: Automatic test insertion
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Scan path testing (e.g., level sensitive scan design (LSSD)) : Special test pattern (e.g., checkerboard, walking ones))
Patent 5661734: Trellis coded FM digital communications system and method
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward error correction by tree code (e.g., convolutional) : Code based on generator polynomial)
Patent 5661735: FDIC method for minimizing measuring failures in a measuring system comprising redundant sensors
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Error/fault detection technique : Parity bit : Branch metric calculation)
Patent 5661736: Multiple use timer and method for pulse width generation, echo failure detection, and receive pulse width measurement
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Error/fault detection technique : Forbidden combination or improper condition : Time delay/interval monitored : Syndrome computed)
Patent 5661737: Multi-wavelength laser beam detector with refractive element
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Producing plural wavelength output : Frequency multiplying (e.g., harmonic generator))
Patent 5661738: Solid-state laser amplifying apparatus and solid-state laser apparatus capable of oscillating high-power laser beam under stable condition
(COHERENT LIGHT GENERATORS : PARTICULAR TEMPERATURE CONTROL : Liquid coolant : Frequency)
Patent 5661739: Semiconductor laser driving circuit
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Having particular beam control circuit component : Feedback circuitry : Rotating prism)
Patent 5661740: TEM mode quantum wire or well structure
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular confinement layer :)
Patent 5661741: Semiconductor light emitting device, laser amplifier, and integrated light amplifier and wavelength variable filter
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Monolithic integrated : Having an amplifier : With vertical output (surface emission))
Patent 5661742: Light emitting diode structure
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular current control structure : With saturable absorption layer)
Patent 5661743: Semiconductor laser
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular current control structure : With saturable absorption layer)
Patent 5661744: Excimer laser beam irradiation apparatus for optically processing workpiece
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Gas : Excimer or exciplex : Monolithic integrated)
Patent 5661745: Method and apparatus for generating high peak power laser pulses in lamp pumped continuous wave lasers by current mixing
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Pumping with optical or radiant energy : Disc-shaped)
Patent 5661746: Free-space gas slab laser
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Electrical : Transversely excited : Electron beam)
Patent 5661747: Laser apparatus
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Specified cavity component : Lens or lens system : Hollow electrode)
Patent 5661748: Laser pulse extender
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Specified output coupling device : Polarizer)
Patent 5661749: Bridging protection apparatus for an induction furnace
(INDUSTRIAL ELECTRIC HEATING FURNACES : INDUCTION FURNACE DEVICE : Having condition signaling means : By tilting)
Patent 5661750: Direct sequence spread spectrum system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : End-to-end transmission system : Having specific code acquisition or tracking)
Patent 5661751: System and technique for power management of a universal asynchronous receiver/transmitter by automatic clock gating
(PULSE OR DIGITAL COMMUNICATIONS : TRANSCEIVERS : Muting circuit and squelch)
Patent 5661752: Circuit for detecting word sequences in a modem
(PULSE OR DIGITAL COMMUNICATIONS : TRANSCEIVERS : Modems (data sets) : Phase locked loop)
Patent 5661753: Decision feedback equalizer having leaky tap gain controllers
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Adaptive : Decision feedback equalizer : Having SAW or charge-transfer device)
Patent 5661754: Receiver arrangement
(PULSE OR DIGITAL COMMUNICATIONS : PULSE POSITION, FREQUENCY, OR SPACING MODULATION : Automatic)
Patent 5661755: Encoding and decoding of a wideband digital information signal
(PULSE OR DIGITAL COMMUNICATIONS : PULSE CODE MODULATION : Pulse code modulation)
Patent 5661757: Radio-card communication system
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Angle modulation : Phase shift keying : More than two phases : Quaternary :)
Patent 5661758: Single cycle data encoding method and apparatus
(PULSE OR DIGITAL COMMUNICATIONS : TRANSMITTERS : Antinoise or distortion (includes predistortion) : Phase locked loop)
Patent 5661759: Digital FSK receiver using double zero-crossing
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Angle modulation : Frequency shift keying : Biphase (manchester code))
Patent 5661760: Wide biphase digital servo information detection, and estimation for disk drive using servo Viterbi detector
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Maximum likelihood decoder or viterbi decoder : Separate mark and space channels)
Patent 5661761: Quasi-synchronous detection and demodulation circuit and frequency discriminator used for the same
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Automatic frequency control : Correlative or matched filter)
Patent 5661762: Multiple antenna home base for digital cordless telephones
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Diversity (frequency or time) : Separate mark and space channels)
Patent 5661763: Apparatus and method for detecting programmable length bit pattern in serial digital data stream
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Frequency or phase control using synchronizing signal : Synchronization word : Synchronizer pattern recognizers : More than two phases)
Patent 5661764: Slot reception synchronization circuit
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Frequency or phase control using synchronizing signal : Synchronization word : Synchronizer pattern recognizers : More than two phases)
Patent 5661765: Receiver and transmitter-receiver
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Phase locking : Phase locked loop : More than two phases)
Patent 5661766: Nuclear fuel assembly bow and twist measurement apparatus
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : TESTING, SENSING, MEASURING, OR DETECTING A FISSION REACTOR CONDITION : Temperature reactivity control)
Patent 5661767: Method for replacing a through-tube of the vessel bottom head of a nuclear reactor cooled by pressurized water
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM : By particular instrumentation circuitry)
Patent 5661768: Spent nuclear fuel (SNF) dry transfer system
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM : Fuel component : Directly generating electrical signal (e.g., ion detection))
Patent 5661769: Depressurising system for plants operating with pressurized steam
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : REACTOR PROTECTION OR DAMAGE PREVENTION : Pressure suppression and relief : In the form of heated water or steam)
Patent 5661770: Passive emergency water system for water-cooled nuclear reactors
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : REACTOR PROTECTION OR DAMAGE PREVENTION : Auxiliary heat removal structure : Containment structures)
Patent 5661771: Inner filter for a control rod drive
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : FISSION REACTOR MATERIAL (INCLUDING REACTION PRODUCTS) TREATMENT : Impurity removal : By filters, ion exchangers, or absorbers : Pressure vessels)
Patent 5661772: X-ray diagnostics apparatus capable of producing CT images and fluoroscopic images
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Computerized tomography : Object positioning or aligning : Fan beam translation)
Patent 5661773: Interface for radiation therapy machine
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Absorption : Irradiating : Therapy : Pipe crawler)
Patent 5661774: Dual energy power supply
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : ELECTRONIC CIRCUIT : X-ray source power supply : Televison)
Patent 5661775: X-ray device having a co-axial laser aiming system in an opposed configuration
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : ACCESSORY : Alignment : With light projection : With film clamping)
Patent 5661776: Method and apparatus for performing impedance measurements on a communication line
(TELEPHONIC COMMUNICATIONS : DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT : Including fault responsive disconnection of tested component : Qualifying line for data transmission)
Patent 5661777: Loop detection signal issuing circuit in subscriber circuit having on-hook transmission facility
(TELEPHONIC COMMUNICATIONS : DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT : Of trunk or long line : By loopback : Rapid manual connecting structure for test equipment)
Patent 5661778: Performance monitoring of DSO channel via D4 channel bank
(TELEPHONIC COMMUNICATIONS : DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT : Testing of subscriber loop or terminal : Terminal arrangement to enable remote testing (e.g., testing interface) : Noise)
Patent 5661779: Rapid response backup system for telecommunications networks
(TELEPHONIC COMMUNICATIONS : EMERGENCY OR ALARM COMMUNICATIONS (E.G., WATCHMAN'S CIRCUIT) : Central office responsive to emergency call or alarm (e.g., "911", operator position display) : Intrusion)
Patent 5661780: Cordless telephone having power failure detection circuit
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Power supply : Battery charging : Waveguide)
Patent 5661781: Message notification system for card users
(TELEPHONIC COMMUNICATIONS : WITH CHECK OPERATED CONTROL (E.G., PAYSTATION) : Other than coin : Information message notification at paystation : Mechanical register)
Patent 5661782: Voice mail communication with call blocking
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Interacting voice message systems : Pager activation)
Patent 5661783: Electronic secretary
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Voice activation or recognition : Reproduced signal distributed over telephone line)
Patent 5661784: Method for operating an automatic ordering system in communication switching exchanges
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Voice activation or recognition : Reproduced signal distributed over telephone line)
Patent 5661785: Flexible telecommunications line interface
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : Having transmission of a digital message signal over a telephone line : Having switching station : Having format conversion : Recording voice message from non subscriber caller)
Patent 5661786: Electronic information lockout device
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : Having transmission of a digital message signal over a telephone line : Access restricting : Message storage in centralized location (e.g., central office, PBX, etc.))
Patent 5661787: System for on-demand remote access to a self-generating audio recording, storage, indexing and transaction system
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : Audio program distribution : Transmission scheme)
Patent 5661788: Method and system for selectively alerting user and answering preferred telephone calls
(TELEPHONIC COMMUNICATIONS : RECEPTION OF CALLING INFORMATION AT SUBSTATION IN WIRELINE COMMUNICATIONS SYSTEM : Call traffic recording or monitoring)
Patent 5661789: Method for coordinating data changes among central office switches
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Service trigger (activation or deactivation) : At substation)
Patent 5661790: Call back service for a regulatory restrictive area
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Repetitive call attempts (e.g., camp-on-busy, retry) : Ringing signal (e.g. having a predetermined cadence or distinctive ring))
Patent 5661791: Method and apparatus for enhanced distinctive call redirection
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Call diversion (e.g., call capture) : Call forwarding : No answer (e.g., ringing signal, on-hook, idle))
Patent 5661792: Completing telecommunications calls in a competitive local and toll enviroment
(TELEPHONIC COMMUNICATIONS : PLURAL EXCHANGE NETWORK OR INTERCONNECTION : With interexchange network routing : Local number portability (LNP) : Service switching point (SSP))
Patent 5661793: Key unit
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Substation originated : Plural-switch number input device (e.g., keypad) : Finger wheel or mechanical adjunct (e.g., finger stop))
Patent 5661794: Telephone line interface circuit with voltage control
(TELEPHONIC COMMUNICATIONS : SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE : Wire distribution)
Patent 5661795: Adaptive signal processing device, echo suppressing device and hand-portable telephone device
(TELEPHONIC COMMUNICATIONS : SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE : Protective circuit : Electronic noninductive)
Patent 5661796: Telephone set
(TELEPHONIC COMMUNICATIONS : SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE : Power supply (e.g., battery feed) : Electronic noninductive)
Patent 5661797: Hinge mechanism for cellular transceiver housing
(TELEPHONIC COMMUNICATIONS : TERMINAL : Housing or housing component : Handset structure : Moveable or removeable element (e.g., cover) : Rotatable mechanism (e.g., hinge) : Recording audio for use as the alerting signal)
Patent 5661798: Back clip structure of a mobile phone
(TELEPHONIC COMMUNICATIONS : TERMINAL ACCESSORY OR AUXILIARY EQUIPMENT : Support or stand : Antiseptic, disinfecting, or disposable)
Patent 5661799: Apparatus and storage medium for decrypting information
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : BUSINESS PROCESSING USING CRYPTOGRAPHY : Usage protection of distributed data files : Usage or charge determination :)
Patent 5661800: Method and manufacture for preventing unauthorized use by judging the corresponding relationship between logical and physical addresses
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : SECURITY : Tamper resistant)
Patent 5661801: Method and apparatus for stabilizing and brightening prerecorded TV signals encoded with copy protection
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Copy protection or prevention : Modifying sync signal :)
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