Patents 5274446 - 5274702

 

 

Patent 5274446: Image transmission apparatus with diagnostic processing means
(TELEVISION : MONITORING, TESTING, OR MEASURING : Transmission path testing : Display photometry)

Patent 5274447: Apparatus for converting a field frequency and a scanning line number of a television signal
(TELEVISION : FORMAT CONVERSION : Involving both line number and field rate conversion (e.g., PAL to NTSC) : Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band))

Patent 5274448: Circuit arrangement for detecting a TV synchronizing signal
(TELEVISION : SYNCHRONIZATION : Specified color)

Patent 5274449: Letterbox television signal with edge regions containing transformed pixel values
(TELEVISION : FORMAT : Including teletext decoder or display)

Patent 5274450: Method and apparatus for converting synchronizing signal
(TELEVISION : SYNCHRONIZATION : Specified color)

Patent 5274451: Sync separator
(TELEVISION : SYNCHRONIZATION : Sync separation : With counter or frequency divider)

Patent 5274452: Horizontal synchronizing signal separator
(TELEVISION : SYNCHRONIZATION : Sync separation : With counter or frequency divider)

Patent 5274453: Image processing system
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Rotation)

Patent 5274454: Programming interface for electronic devices
(TELEVISION : TELEVISION TRANSMITTER CIRCUITRY : Modulator : Plural processing units)

Patent 5274455: Television receiver having a microcomputer for determining the presence of addressable functional circuit boards
(TELEVISION : VIDEO DISPLAY : Projection device : Single light modulator : Deformable medium : Having significant chemical composition : Deformed into diffraction grating (e.g., using electron beam))

Patent 5274456: Semiconductor device and video camera unit using it and their manufacturing method
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Power saving mode)

Patent 5274457: Digital electronic still camera having removable record means
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : With details of static memory for output image (e.g., for a still camera) : Detachable : Details of communication between memory and camera :)

Patent 5274458: Video camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Exposure control)

Patent 5274459: Solid state image sensing device with a feedback gate transistor at each photo-sensing section
(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 5274460: Method of and apparatus for rewritable recording and erasing and rewritable recording film
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)

Patent 5274461: Image processing apparatus which predicts when to prepare for image forming operations
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)

Patent 5274462: Image input and output method
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Changing the image coordinates : To change the scale or size of an image : Rotation of image is limited to 90 degrees, 180 degrees, or 270 degrees)

Patent 5274463: Still picture storing and sequencing apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Editing : Editing decision list (EDL) : Interpolation)

Patent 5274464: Spatial filter for improved VHS system
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Recorder or reproducer fault condition compensation : Digital compressing)

Patent 5274465: Document conveying circuit for use in a facsimile system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific image-processing circuitry)

Patent 5274466: Encoder including an error decision circuit
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Reduced time or bandwidth for static image communication : Condition based selection or control of image coding technique or communication arrangement : Communication error rate or level : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5274467: Facsimile apparatus capable of desired processings dependent on terminal number of calling party
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Telephone number or address of designator : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5274468: Reproduction apparatus and method with user-definable editing and machine operation functions
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5274469: Sample rate converter circuit for image data
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Signal sampling and conversion : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5274470: Data converter and image reader using the same
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5274471: Apparatus for converting resolution and gray scale of document image data
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Changing the image coordinates : To change the scale or size of an image : Raising or lowering the image resolution (e.g., subpixel accuracy) : Counting difference pixels)

Patent 5274472: High addressability image generator using pseudo interpolation of video and screen data
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Changing the image coordinates : To change the scale or size of an image : Raising or lowering the image resolution (e.g., subpixel accuracy) : Counting difference pixels)

Patent 5274473: Rapid variable angle digital screening
(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) : Halftoning (e.g., a pattern of print elements used to represent a gray level) : Rescreening (e.g., converting spatial resolution) :)

Patent 5274474: Integrated telefacsimile and character communication system with standard and high speed modes
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Text and image detection and processing : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5274475: Information transfer method, information transfer apparatus, and its driving method
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Carrier wave modulation)

Patent 5274476: CCD image sensor with photodiodes in a zig-zag pattern and particular transfer gate electrodes formed over channel stop regions and VCCD
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Solid state : Charge coupled device : Stochastic or random dithering)

Patent 5274477: Electrophotographic facsimile apparatus having a pivoted upper structure
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Document feed : Scanning element moves relative to a flat stationary document)

Patent 5274478: Displayer with holograms
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Holograph on curved substrate)

Patent 5274479: Mirror alignment and/or figure sensing with surface mounted holographic optical elements
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Holograph on curved substrate)

Patent 5274480: Projection type display apparatus having an aperture stop means including non-circular openings
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Exposure device for lithography)

Patent 5274481: Polymer dispersed liquid crystal device having partitions between different colors formed by etch-printing
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Microencapsulated or polymer dispersed liquid crystal : With each cell displaying a different pattern)

Patent 5274482: Matrix array using MIM device and .alpha. and .beta. tantalum electrodes
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With particular switching device : Two terminal nonlinear switching device (e.g., N-I-N, S-I-S, Ferroelectric, etc.) : Metal-insulator-metal (i.e., MIM) : With particular gate electrode structure)

Patent 5274483: Liquid crystal display with conductive film along the edge of electrodes of one substrate and between dot electrodes of the other substrate
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Electrode or bus detail (i.e., excluding supplemental capacitor and transistor electrodes) : Matrix electrodes : Resistance reducing electrodes : With particular pretilt angle (i.e., with liquid crystal other than chiral smectic))

Patent 5274484: Gradation methods for driving phase transition liquid crystal using a holding signal
(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 photoconductive layer (e.g., spatial light modulator(SLMs)))

Patent 5274485: Liquid crystal display
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With particular switching device : Two terminal nonlinear switching device (e.g., N-I-N, S-I-S, Ferroelectric, etc.) : Metal-insulator-metal (i.e., MIM) : With particular gate electrode structure)

Patent 5274486: Device for holding liquid crystal display panel
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Holder, support, frame, or housing : Matrix including additional element (s) which correct or compensate for electrical fault)

Patent 5274487: Photonic switching system
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Wavelength : Crossconnect :)

Patent 5274488: Secure communications system
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Including polarization : Dispersion compensation)

Patent 5274489: Thermal imager systems
(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 transmissive type moving element : Having moving prism :)

Patent 5274490: Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver
(OPTICAL COMMUNICATIONS : RECEIVER : Heterodyne : Including feedback)

Patent 5274491: Dynamic laser diode aperture for optical scanners
(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) : Particular mount or driver for element : Bearing or shaft for rotary driver :)

Patent 5274492: Light spot size and shape control for laser projector
(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 : X-Y scanner :)

Patent 5274493: Electrochromic element, materials for use in such element, processes for making such element and such materials and use of such element in an
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Electrochromic : Transmission-type (e.g., windows) : Diverse layer)

Patent 5274494: Speckle suppression illuminator
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Raman type : Magneto-optic crystal material)

Patent 5274495: Optical amplifier
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Parametric oscillator : Third harmonic)

Patent 5274496: Optical amplifying repeater with monitor and control function
(OPTICAL COMMUNICATIONS : OPTICAL REPEATER SYSTEM : Monitoring : Modulation conversion)

Patent 5274497: Concentrating collector lens assembly
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : With curved reflective imaging element : Having metal layer)

Patent 5274498: Optical system for a night vision video camera
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : With curved reflective imaging element : Two or more in a series : Having four or more components)

Patent 5274499: Battery operated projection screen with spring assisted roller and replaceable fascia
(OPTICAL: SYSTEMS AND ELEMENTS : PROJECTION SCREEN : Roll up screen : Lenticular)

Patent 5274500: Video camera drape with lens
(OPTICAL: SYSTEMS AND ELEMENTS : PROTECTION FROM MOISTURE OR FOREIGN PARTICLE : Extension of tubular element adjustable)

Patent 5274501: Glare and eye strain prevention apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : GLARE OR UNWANTED LIGHT REDUCTION : Directional or angular discrimination : Collapsible or foldable)

Patent 5274502: Molded lens with integral mount and method
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : By refraction at beam splitting or combining surface)

Patent 5274503: High aperture finite conjugate lens system suitable for use as a micro relay lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Microscope objective : Having seven components : In a variable media (e.g., gas, elastomer, etc.))

Patent 5274504: Zoom lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : To the rear of a basic lens)

Patent 5274505: Electrical remote-control mirror assembly
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : With support : Mirror movable relative to support : With rotary to linear motion converting mirror adjustment : With rotation of mirror about perpendicular axes : Sliding barrels)

Patent 5274506: Video recording and playback device with built-in video camera in an outer case compatible with existing tape cassette
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Including television camera : Housing or mounting : Crosstalk)

Patent 5274507: Parallel data encoding for moving media
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Frequency)

Patent 5274508: Tape storage device for storing audio data in the amble frames of a DDS format tape
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data in specific format : Intra-cell transition)

Patent 5274509: On-the-fly splitting of disk data blocks using timed sampling of a data position indicator
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data in specific format : Intra-cell transition)

Patent 5274510: Track address pattern for a disk memory apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Address coding : Intra-cell transition)

Patent 5274511: Servo signal recording method and apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Data recirculation)

Patent 5274512: Coefficient control system for digital equalizer using orthogonal oscillation
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Specifics of equalizing : Between heads in alternate engagement with medium)

Patent 5274513: Search system for helical scan digital data reproduction apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Locating specific areas : Responsive to recorded address :)

Patent 5274514: Picture quality compensating apparatus and method
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Speed : Linear carrier : Constant speed : By reproduced control signal : From separate track :)

Patent 5274515: Tracking control device for a video tape recorder
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Elongated web carrier (i.e., tape) : Transverse scan path : Having head deflection drive (e.g., piezoelectric bimorph) : Plural pilot signals along single transverse path)

Patent 5274516: Multi-cassette recording and reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Plural tapes : Tape in container : Drum)

Patent 5274517: Disk clamp with annular spring section
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Plural disks : Seating of disks : Mechanical detail)

Patent 5274518: Negative pressure air bearing slider having converging isolation channels
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Air bearing surface detail : Negative pressure type : Varying width rail : Dithering)

Patent 5274519: Magnetic recording apparatus with air vane actuated regulating member for head slider
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head into/out of transducing position : Disk record : Arcuate track change type : Moving lifter : Three or more rails/pads)

Patent 5274520: Thin film magnetic head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Combined with inductive write head and having MR inside of inductive head : In horizontal head configuration : Pivot/load button detail)

Patent 5274521: Planar thin film magnetic head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Gap structure details : Rotary head)

Patent 5274522: Magnetic head-to-media backer device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Pressure element : Tape record)

Patent 5274523: Mechanism for a tray type cassette loading device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Plural reels : Container mounting details : With common capstan drive)

Patent 5274524: Programmable protection circuit and its monolithic manufacturing
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Load shunting by fault responsive means (e.g., crowbar circuit) : Voltage responsive : With more than two wires)

Patent 5274525: Device for thermal protection within a limited range of temperatures, especially for an apparatus for recording battery-backed data and in
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Circuit interruption by thermal sensing : With bimetallic element : With transistor circuit interrupter)

Patent 5274526: Fuse structure
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Circuit interruption by thermal sensing : With thermistor : With transistor circuit interrupter)

Patent 5274527: Housing with plug-in connections
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Surge prevention (e.g., choke coil) : With transistor circuit interrupter)

Patent 5274528: Power distribution and limiter assembly
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Electrical service distribution box : With fuse : With removable or plug-in connection)

Patent 5274529: Electronic device with molded case
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means)

Patent 5274530: Module for protecting and cooling computer chip die mounted on a thin film substrate and a chassis for conduction cooling of such modules
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : Disk drive support)

Patent 5274531: Lead frame with aluminum rivets
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Lead frame : With particular insulation)

Patent 5274532: Removable mirror device for motor vehicle interiors
(ILLUMINATION : WITH VIEWING MIRROR : Base)

Patent 5274533: Reflector assembly having improved light reflection and ballast access
(ILLUMINATION : ELONGATED SOURCE LIGHT UNIT OR SUPPORT : Plural sources or supports therefor : Plural members)

Patent 5274534: Lighting system for playing fields
(ILLUMINATION : PLURAL LIGHT SOURCES : With support : Distinct light units)

Patent 5274535: Dental operating light with color correction
(ILLUMINATION : LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER : Plural serial lens elements or components : Including circuit arrangement)

Patent 5274536: Illumination cover for fluorescent lamp
(ILLUMINATION : LIGHT MODIFIER : Refractor : Curved lens type : Plural elements on a curved surface : Prismatic type)

Patent 5274537: Decorative lighting arrangement for special events
(ILLUMINATION : LIGHT MODIFIER : Translucent or opaque (e.g., "shade") : Including socket engaging means : Bowl shaped main surface)

Patent 5274538: Power conversion apparatus
(ELECTRIC POWER CONVERSION SYSTEMS : CASCADED OR COMBINED, DIVERSE CONVERSIONS IN WHICH THE FREQUENCY OR PHASE OR COMBINED CONVERSION IS WITHOUT INTERMEDIATE CONVERSION TO D.C. : Current and frequency (e.g., f1-f2-D.C.) : Phase 1 to phase 2 to D.C.)

Patent 5274539: Capacitance-multiplying converters for supplying distributed pulsed loads
(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)

Patent 5274540: Inverter device for stable, high power-factor input current supply
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including an A.C.-D.C.-A.C. converter : By semiconductor rectifier and inverter : Double-ended type (i.e., push-pull))

Patent 5274541: Parallel circuit module including a diode and an IGBT
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including automatic or integral protection means : For inverters : Transistor inverter : Bridge type : For semiconductor rectifier)

Patent 5274542: Control device of neutral point clamped power inverter apparatus
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For inverter : With thyristor control means in the line circuit : Saturable reactor (e.g., magnetic amplifier))

Patent 5274543: Zero-voltage switching power converter with lossless synchronous rectifier gate drive
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In rectifier systems : Transistor : Grid-like electrode)

Patent 5274544: Single-pass multicolor thermal transfer
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : WITH PARTICULAR CIRCUIT : Display : Calibrating)

Patent 5274545: Device and method for providing accurate time and/or frequency
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : ELECTRICAL TIME BASE : Solid state oscillating circuit type : With spring click)

Patent 5274546: Diagnosis system of numerical control apparatus
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Having protection or reliability feature : Self-test : Positional with nonpositional)

Patent 5274547: System for generating and transmitting credit reports
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Finance (e.g., banking, investment or credit) : Credit (risk) processing or loan processing (e.g., mortgage) : Tax strategies)

Patent 5274548: Method for the automatic analysis of signals by means of segmentation and classification
(SURGERY : DIAGNOSTIC TESTING : Cardiovascular : Detecting blood vessel pulsation : Force applied against skin to close blood vessel)

Patent 5274549: Method of deriving a cardiac ejection fraction from nuclear image data
(SURGERY : DIAGNOSTIC TESTING : Cardiovascular : Heart : Blood output per beat or time interval : Signal display or recording)

Patent 5274550: Blood alcohol level determining device
(MEASURING AND TESTING : GAS ANALYSIS : Breath analysis : For density or specific gravity)

Patent 5274551: Method and apparatus for real-time navigation assist in interventional radiological procedures
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Detectable material placed in body : Using flexible catheter : Coil)

Patent 5274552: Drill string motion detection for bit depth calculation
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Earth science : Well logging or borehole study : Drilling :)

Patent 5274553: Torque converter slip rate based skip power downshift control strategy
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Transmission control : By changing shift map, schedule, or pattern : Engine output control)

Patent 5274554: Multiple-voting fault detection system for flight critical actuation control systems
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle diagnosis or maintenance indication : Plural processors or external processor : Modification or correction of route information)

Patent 5274555: Controlling apparatus of steering angle of rear wheels of four-wheel steering vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Steering control : Feedback, transfer function or proportional and derivative (P& D) control : Inner/outer loop)

Patent 5274557: Teaching and playback method for work machine
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Construction or agricultural-type vehicle (e.g., crane, forklift) : Vehicle equipment position control (e.g., seat, mirror, door, window, headrest, or headlamp))

Patent 5274558: Apparatus for decoupling a torque loop from a speed loop in a power management system for turboprop engines
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : With indicator or control of power plant (e.g., performance) : Gas turbine, compressor : Artificial intelligence (e.g., fuzzy logic))

Patent 5274559: Method for predicting a future value of measurement data and for controlling engine fuel injection based thereon
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : With indicator or control of power plant (e.g., performance) : Internal-combustion engine : Digital or programmed data processor : Control of air/fuel ratio or fuel injection :)

Patent 5274560: Sensor free vehicle navigation system utilizing a voice input/output interface for routing a driver from his source point to his destination
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Determination of travel data based on the start point and destination point : Route pre-planning : Digital or programmed data processor)

Patent 5274561: Electronic taximeter with apparatus for rounding off a fare
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : FOR COST/PRICE : Distance (e.g., taximeter) : Specific input and output device)

Patent 5274562: Numerical control unit for facilitating tool change
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Tool selection/change : Protective or diagnostic feature)

Patent 5274563: Noncontact tracing control system
(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 tool or tool operation : Tracing or duplicating : Thickness control)

Patent 5274564: Method and apparatus for machining a non-circular workpiece
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Digital positioning technique : For curve or contour : Tool/workpiece interference prevention)

Patent 5274565: Process for making custom joint replacements
(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 5274566: Aligning average axis of hollow workpiece cavity with rotary machine axis
(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 5274567: Table top image based document processing machine and methods of processing documents
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Article handling : Particular manufactured product or operation)

Patent 5274568: Method of estimating logic cell delay time
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Testing or evaluating : Design verification (e.g., wiring line capacitance, fan-out checking, minimum path width) : Timing analysis (e.g., delay time, path delay, latch timing) :)

Patent 5274569: Dual sense non-differencing digital peak detector
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Waveform analysis : Including related electrical parameter)

Patent 5274570: Integrated circuit having metal substrate
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN :)

Patent 5274571: Energy storage scheduling system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Electrical power generation or distribution system : Energy consumption or demand prediction or estimation : Adaptive valve control)

Patent 5274572: Method and apparatus for knowledge-based signal monitoring and analysis
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Vibration detection)

Patent 5274573: Ultrasonic web edge detection method and apparatus
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Acoustic : Tare weight adjusted)

Patent 5274574: Dynamic simulation system
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : ELECTRICAL ANALOG SIMULATOR : Of physical phenomenon (e.g., heat, wave, geophysics) :)

Patent 5274575: Method of probing test
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With light detector (e.g., photocell) : For comparison with master or desired configuration)

Patent 5274576: Apparatus for measuring the yaw rate of a vehicle
(DATA PROCESSING: DATABASE AND FILE MANAGEMENT OR DATA STRUCTURES : DATABASE OR FILE ACCESSING : Query processing (i.e., searching) : Query augmenting and refining (e.g., inexact access) :)

Patent 5274577: System for linearizing a non-linear sensor output
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Linearization of measurement : Quality control)

Patent 5274578: Circuit and method for normalizing detector circuit
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Temperature : Coordinate positioning)

Patent 5274579: Digital tone detector
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Frequency detection : Tone detection :)

Patent 5274580: Method for calculating the inverse of a number, and computer for performing the method
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Division : Binary : Repeated addition)

Patent 5274581: Look up table implementation of fast carry for adders and counters
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Addition/subtraction : Binary : Parallel)

Patent 5274582: Root square sum calculating apparatus
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL ANALOG CALCULATING COMPUTER : Particular function performed : Evaluation of root (e.g., square root) : Differential (e.g., differential analyzer))

Patent 5274583: Charge-integrating preamplifier for ferroelectric memory
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL ANALOG CALCULATING COMPUTER : Particular function performed : Integrator : Fourier)

Patent 5274584: Solid state memory device having optical data connections
(STATIC INFORMATION STORAGE AND RETRIEVAL : INTERCONNECTION ARRANGEMENTS : Optical : Permanent magnet)

Patent 5274585: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Capacitors : Same size apertures)

Patent 5274586: Semiconductor device having a capacitor dielectric film of multilayer structure and a method of controlling the same
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Capacitors : Same size apertures)

Patent 5274587: Non-volatile programmable read only memory device having memory cells each implemented by a memory transistor and a switching transistor
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Logic connection (e.g., NAND string) : Weak inversion injection)

Patent 5274588: Split-gate cell for an EEPROM
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Virtual ground : Weak inversion injection)

Patent 5274589: Method and apparatus for writing and reading data to/from a memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Semiconductive)

Patent 5274590: Read only memory device with recharging transistor automatically supplementing current to an input node of output invertor
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Semiconductive)

Patent 5274591: Serial clock noise immunity in a semiconductor memory integrated circuit having a serial port
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Having particular data buffer or latch : Four or more devices per bit)

Patent 5274592: Semiconductor integrated circuit device for high-speed transmission of data and for improving reliability of transfer transistor, applicable
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including level shift or pull-up circuit : Four or more devices per bit)

Patent 5274593: High speed redundant rows and columns for semiconductor memories
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)

Patent 5274594: Static RAM
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)

Patent 5274595: Data transmission circuit with segmented input/output lines
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Precharge : Coincident A.C. signal with pulse)

Patent 5274596: Dynamic semiconductor memory device having simultaneous operation of adjacent blocks
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Precharge : Coincident A.C. signal with pulse)

Patent 5274597: Semiconductor memory device capable of driving divided word lines at high speed
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Accelerating charge or discharge : Coincident A.C. signal with pulse)

Patent 5274598: Semiconductor memory having improved sensing arrangement
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Flip-flop used for sensing : Coincident A.C. signal with pulse)

Patent 5274599: Flash-type nonvolatile semiconductor memory having precise erasing levels
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Reference signal (e.g., dummy cell) : Verify signal :)

Patent 5274600: First-in first-out memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Serial read/write : Holographic)

Patent 5274601: Semiconductor integrated circuit having a stand-by current reducing circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Particular decoder or driver circuit : Alternate addressing (e.g., even/odd))

Patent 5274602: Large capacity solid-state memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sequential : Page memories)

Patent 5274603: Marine seismic cable section assembly
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Offshore prospecting : Multiple hydrophone cable systems : Fluid variation)

Patent 5274604: Method for spatially filtering signals representing formation and channel echoes in a borehole environment
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Well logging : Borehole or casing condition : Frequency dependent determination)

Patent 5274605: Depth migration method using Gaussian beams
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Land-reflection type : Signal analysis and/or correction : Timing correction : For dip : Normal moveout)

Patent 5274606: Circuit for echo and noise suppression of accoustic signals transmitted through a drill string
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : WELLBORE TELEMETERING : Through drill string or casing : Telemetry)

Patent 5274607: Pool monitor
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Returned signal used for control : Receiver system : Automatic gain or threshold control : Frequency)

Patent 5274608: Sonar transducer
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : TRANSMITTER SYSTEMS : Responsive to intruder energy)

Patent 5274609: Combination lantern and bug liquidator
(ILLUMINATION : SELF POWERED LAMP : Nonelectric : Mantle type : Tube structure)

Patent 5274610: Electronic reading device
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : COMBINED WITH DISPARATE DEVICE : Electrical device)

Patent 5274611: Apparatus and method for estimating the expired portion of the expected total service life of a mercury vapor lamp based upon the time the lamp
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : COMBINED WITH DISPARATE DEVICE : Electrical device)

Patent 5274612: Information processor and disk memory used in the same
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : Specific detail of recording medium : Tape or card : Near field optic)

Patent 5274613: Wristwatch radiotelephone
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : COMBINED WITH DISPARATE DEVICE : Telephone : Actuation of a running-time meter)

Patent 5274614: Multi-function analog electronic timepiece
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : WITH CALENDAR INDICATOR : With movable disk display)

Patent 5274615: Method of accessing a card shaped recording medium
(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 : Electrical information signal processing : Abnormal condition or changing mode of system : Correction of error)

Patent 5274616: Perpetual calendar structure
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : WITH CALENDAR INDICATOR : Movable drum : With jumper spring)

Patent 5274617: Method and device for data management in an optical recording medium
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONDITION INDICATING, MONITORING, OR TESTING : Including radiation storage or retrieval : Of record carrier : Having unrecorded location indicating : Derived focusing or tracking related signal)

Patent 5274618: Test apparatus for an optical recording disc
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONDITION INDICATING, MONITORING, OR TESTING : Including radiation storage or retrieval : Of storage or retrieval information signal : Transduced location indicating)

Patent 5274619: Disk player with disk select function
(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 disc changer : Plural media are unprotected (i.e., discs that are not in cartridges) : Stocker or internal magazine is adjustable or movable : Movable drive)

Patent 5274620: Compact disc handling mechanism
(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 disc changer : Plural media are unprotected (i.e., discs that are not in cartridges) : Having particular internal transfer mechanism for transferring disc while disc is inside of disc changer : In carousel changer)

Patent 5274621: Information recording/reproduction apparatus
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONDITION INDICATING, MONITORING, OR TESTING : Including radiation storage or retrieval : Of transducer assembly mechanism : Energy producing device : Derived focusing or tracking related signal)

Patent 5274622: Apparatus for controlling emission power of laser diode
(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 5274623: Information recording medium having high modulation degree
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Optical track structure (e.g., phase or diffracting structure, etc.) : Turntable)

Patent 5274624: Optical recording medium
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Optical track structure (e.g., phase or diffracting structure, etc.) : Turntable)

Patent 5274625: Traffic measurements in packet communications networks
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Control of data admission to the network : Based on data flow rate measurement : Measurement of the peak data flow rate : Loopback of signals on the secondary ring or loop)

Patent 5274626: Earth station capable of carrying out communication without a control station
(MULTIPLEX COMMUNICATIONS : DUPLEX : Convertible to half duplex : Echo suppression or cancellation)

Patent 5274627: Non-regenerative multibeam satellite communications system with FDMA access and SSTDM connectivity
(MULTIPLEX COMMUNICATIONS : TRASMULTIPLEXERS : Rotary distributor)

Patent 5274628: Multisignal synchronizer with shared last stage
(MULTIPLEX COMMUNICATIONS : LOW SPEED ASYNCHRONOUS DATA SYSTEM (E.G., TELETYPEWRITER SERVICE) : Rotary distributor : Synchronizer : Using a training sequence)

Patent 5274629: Method for the broadcasting of digital data, notably for radio broadcasting at high bit rate towards mobile receivers, with
(MULTIPLEX COMMUNICATIONS : GENERALIZED ORTHOGONAL OR SPECIAL MATHEMATICAL TECHNIQUES : Particular set of orthogonal functions : Having a signaling constellation)

Patent 5274630: Communication system network that includes a method for maintaining a system data database
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Channel reservation scheme)

Patent 5274631: Computer network switching system
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Having a plurality of nodes performing distributed switching : Bridge or gateway between networks : Having central (e.g., common) storage)

Patent 5274633: Switching system for ATM dual switch system
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative switch or inoperative element of a switching system : Packet switching system or element : Standby switch :)

Patent 5274634: PABX common channel relay system
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Centralized switching : For connecting plural subscribers to a network (i.e., network termination))

Patent 5274635: Method and apparatus for aligning a digital communication data stream across a cell network
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Combined circuit switching and packet switching : Synchronization)

Patent 5274636: Automatic multiplex data link system, symbol encoder decoder therefor
(MULTIPLEX COMMUNICATIONS : PULSE WIDTH (PULSE DURATION) MODULATION : Level multiplex)

Patent 5274637: Token-ring-type local area network
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Polling : Passing a signal identifying the idle or busy state of a channel (e.g., token passing) : On bus : On ring or loop : Including priority resolution : Ring or loop forms backbone for interconnecting other networks)

Patent 5274638: Multiplex transmission system for use in vehicles
(MULTIPLEX COMMUNICATIONS : DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION) : Fault detection : Of a local area network : ATM least cost routing)

Patent 5274641: ATM communication system
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Processing of address header for routing, per se : Multistage switch)

Patent 5274642: Output buffered packet switch with a flexible buffer management scheme
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Including sorting and merging networks : Having a signaling feature)

Patent 5274643: Method for optimizing a network having virtual circuit routing over virtual paths
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Flow control of data transmission through a network : Least cost or minimum delay routing : Using OAM (Operation, Administration and Maintenance) cells)

Patent 5274644: Efficient, rate-base multiclass access control
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Control of data admission to the network : Spare channel)

Patent 5274645: Disk array system
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : DATA PROCESSING SYSTEM ERROR OR FAULT HANDLING : Reliability and availability : Fault recovery : By masking or reconfiguration : Of memory or peripheral subsystem : Redundant stored data accessed (e.g., duplicated data, error correction coded data, or other parity-type data) :)

Patent 5274646: Excessive error correction control
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Error correcting code with additional error detection code (e.g., cyclic redundancy character, parity) : Cross-interleave Reed-Solomon code (CIRC))

Patent 5274647: Elastic buffer with error detection using a hamming distance circuit
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Error/fault detection technique : Majority decision/voter circuit)

Patent 5274648: Memory card resident diagnostic testing
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Memory testing : Read-in with read-out and compare : Loop-back)

Patent 5274649: Wavelength-tunable distributed-feedback semiconductor laser device
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Tuning : Plural Q-switches)

Patent 5274650: Solid state laser
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Nonlinear device : Plural Q-switches)

Patent 5274651: Optical modulator with nonlinear medium disposed interiorly of laser resonator
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Nonlinear device : Plural Q-switches)

Patent 5274652: Harmonic wave generator, a method of producing a harmonic wave and a reading apparatus for an optical recording medium using the harmonic
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Nonlinear device : Frequency multiplying (e.g., harmonic generator) : Rotating prism)

Patent 5274653: Semiconductor laser driving system for driving a semiconductor laser element
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Optical output stabilization : Amplitude : Rotating prism)

Patent 5274654: Laser beam generating apparatus
(COHERENT LIGHT GENERATORS : PARTICULAR TEMPERATURE CONTROL : Optical output stabilization)

Patent 5274655: Temperature insensitive vertical cavity surface emitting laser
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular confinement layer :)

Patent 5274656: Semiconductor laser
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular confinement layer : With strained layer :)

Patent 5274657: Phase lock type semiconductor laser
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Monolithic integrated : Laser array : Phase locked :)

Patent 5274658: Population inversion by excited energy level absorption
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Plural active media or active media having plural dopants)

Patent 5274659: Harmonically mode-locked laser
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Folded cavity : Having a ring configuration : Hollow electrode)

Patent 5274660: Semiconductor device and method of making it
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Distributed feedback : Having a ring configuration)

Patent 5274661: Thin film dielectric coating for laser resonator
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Specified cavity component : Reflector : Hollow electrode)

Patent 5274662: Remelting arc furnace with movable electrode
(INDUSTRIAL ELECTRIC HEATING FURNACES : ARC FURNACE DEVICE : Ingot remelting : With electrode holder or guide : With arc deflection means)

Patent 5274663: Direct-current arc furnace plant
(INDUSTRIAL ELECTRIC HEATING FURNACES : ARC FURNACE DEVICE : Power supply system : Cable or cable suspension arrangement : Crosshead)

Patent 5274664: Method and device to control the force applied to the electrode-bearing arms of an electric arc furnace
(INDUSTRIAL ELECTRIC HEATING FURNACES : ARC FURNACE DEVICE : Power supply system : With power regulation : By changing arc length : Using a hydraulic or pneumatic device :)

Patent 5274665: Polyopoly overlapping spread spectrum communication system and method
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : End-to-end transmission system : Having multi-receiver or interference cancellation :)

Patent 5274666: Wireless communication system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Frequency hopping : End-to-end transmission system :)

Patent 5274667: Adaptive data rate packet communications system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : End-to-end transmission system : Having specific signaling for code synchronization :)

Patent 5274668: Integrated circuit demodulator component
(PULSE OR DIGITAL COMMUNICATIONS : TESTING : Modems (data sets))

Patent 5274669: Signal equalizing method employing test sequences
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Training period or initial set up : Matched-filter-type receiver)

Patent 5274670: Method of equalization in digital mobile communication with improved tracking ability
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Training period or initial set up : Matched-filter-type receiver)

Patent 5274671: Use of output impedance control to eliminate mastership change-over delays in a data communication network
(PULSE OR DIGITAL COMMUNICATIONS : CABLE SYSTEMS AND COMPONENTS : Noise or distortion reduction)

Patent 5274672: Optimized clock recovery for an MSK system
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Angle modulation : Frequency shift keying : Minimum shift keying : Syllabic)

Patent 5274673: Optical bus transmission method and transmitting-side encoder and receiving-side decoder therefor
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Angle modulation : Phase shift keying : Biphase (manchester codes) : Quaternary)

Patent 5274674: Method of controlling a threshold decoder for a signal having several levels and being affected by echoes, and television receiver provided
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Automatic baseline or threshold adjustment : Modulation by absorption of signal, changing antenna dimension or changing antenna impedance)

Patent 5274675: Method and apparatus for post-correlation scoring circuit
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Correlative or matched filter : Separate mark and space channels)

Patent 5274676: Multi-standard synchronizing signal recovery system
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : With electromagnetic relay or solenoid)

Patent 5274677: Clock distribution system
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Network synchronizing more than two stations : Gating, blanking, etc.)

Patent 5274678: Clock switching apparatus and method for computer systems
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Synchronization failure prevention : Gating, blanking, etc.)

Patent 5274679: Hardware arrangement for specifying data format in asynchronous transmission
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Frequency or phase control using synchronizing signal : Start - stop : With asynchronous data : More than two phases)

Patent 5274680: Device for the transmission of synchronous information by an asynchronous network, notably an ATM network
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Start - stop)

Patent 5274681: Clock recovery circuit with memory storage level comparison with high, medium and low thresholds
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Elastic buffer : With asynchronous data)

Patent 5274682: Method and apparatus for storing nuclear fuel rods
(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 5274683: Method for replacing a nozzle
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM : By particular instrumentation circuitry)

Patent 5274684: Apparatus for assembling a nuclear fuel assembly
(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 5274685: Non-levitating PWR fuel assembly
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : REACTOR STRUCTURES : Circulating fluid within reactor : Fuel assembly supports : Fuel assembly holddown or locking means : Concrete)

Patent 5274686: Anodic vacuum arc deposition
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : FUEL COMPONENT STRUCTURE : Encased with nonfuel component : Coated, preformed, or impregnated layer or part or adhesively bonded layers or parts : With means or structure to flash coolant into vapor)

Patent 5274687: Source-follower circuit for CCD image sensor
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : CHARGE TRANSFER DEVICE (E.G., ANALOGUE SHIFT REGISTER, CCD, BUCKET BRIGADE DEVICE) : Particular input or output means : Multiplication or division by a fraction)

Patent 5274688: Lead-paint detector
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Fluorescence : Composition analysis : Continuous image)

Patent 5274689: Tunable gamma ray source
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE : With switching means)

Patent 5274690: Rotating housing and anode/stationary cathode x-ray tube with magnetic susceptor for holding the cathode stationary
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE : Electron tube : With movable electrode : With specific bearing means)

Patent 5274691: Dental film holder with developing and fixing fluid chambers
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : PHOTOGRAPHIC DETECTOR SUPPORT : Sheet film cassette : Self-developing : With pivotal leaf motion)

Patent 5274692: Method for testing the line connection before switching from a telephone switching center to be placed out of service to a new digital telephone
(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) : For a fault caused by new added service or equipment (e.g., software compatible) : Pair gain test controller)

Patent 5274693: Abbreviated and enhanced dialing apparatus and methods particularly adapted for cellular or other types of telephone systems
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Auto-dialing or repertory dialing (e.g., using bar code, etc.) : Having specific antenna arrangement)

Patent 5274694: Radio communication network based on digital local exchanges
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Security or fraud prevention : Privacy, lock-out, or authentication : At remote station)

Patent 5274695: System for verifying the identity of a caller in a telecommunications network
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Voice activation or recognition : Voice verification (e.g., voice authorization, voiceprint, etc.) : Inductive pickup)

Patent 5274696: Protocol for transmitting messages in a network
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Call source identification : Pager activation)

Patent 5274697: Automatic data restoral for modems
(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 : By voice frequency signal (e.g., tone code) : Modulated audio tone : Protocol : Determining fault location)

Patent 5274698: Method of restricting telephone calls in a private branch exchange system
(TELEPHONIC COMMUNICATIONS : CALL OR TERMINAL ACCESS ALARM OR CONTROL : At switching center : PBX : Of specific equipment)

Patent 5274699: Method for providing caller identification to a call recipient
(TELEPHONIC COMMUNICATIONS : RECEPTION OF CALLING INFORMATION AT SUBSTATION IN WIRELINE COMMUNICATIONS SYSTEM : Non-assigned telephone number indication : Matching and retrieving stored caller ID information from a database)

Patent 5274700: Methods of automatically rerouting an incoming telephone call placed over a network
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Call diversion (e.g., call capture) : Call from anonymous caller)

Patent 5274701: Telephone alerter
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Signal reception at substation : Incoming call alerting : In handset)

Patent 5274702: Wideband telephone line interface circuit
(TELEPHONIC COMMUNICATIONS : SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE : Wire distribution)

 

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