Patents 5291274 - 5291527

 

 

Patent 5291274: Electron device having a current channel of dielectric material
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) : Tunneling through region of reduced conductivity : Ballistic transport device)

Patent 5291275: Triple field buffer for television image storage and visualization on raster graphics display
(TELEVISION : FORMAT CONVERSION : Scan rate variation)

Patent 5291276: Apparatus for processing a video signal to generate video signal adjustment data that is self-contained with the video equipment
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Color television signal processing : receiver type)

Patent 5291277: Digital image signal processing circuits
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Combined noise reduction and transition sharpening : Specified color (e.g., saturation and contrast control))

Patent 5291278: Luminance/chrominance separator including cross-talk reducing function
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Including comb filter (e.g., using line, field, frame delays) : Including feedback control)

Patent 5291279: Fatigue testing apparatus and method
(TELEVISION : SPECIAL APPLICATIONS : Manufacturing : Quality inspection : Color sequential illumination)

Patent 5291280: Motion detection between even and odd fields within 2:1 interlaced television standard
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)

Patent 5291281: Adaptive coding level control for video compression systems
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : With beam energy determining color)

Patent 5291282: Image data coding apparatus and method capable of controlling amount of codes
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Variable length coding : Discrete cosine)

Patent 5291283: Decoding apparatus of a compressed digital video signal
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Specific decompression process : Discrete cosine)

Patent 5291284: Predictive coding and decoding with error drift reduction
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Separate coders)

Patent 5291285: Television signal level meter
(TELEVISION : MONITORING, TESTING, OR MEASURING : Setup)

Patent 5291286: Multimedia data transmission system
(TELEVISION : FORMAT : Including teletext decoder or display)

Patent 5291287: Vertical synchronization processing circuit
(TELEVISION : SYNCHRONIZATION : Automatic phase or frequency control : Noise reduction)

Patent 5291288: Aperture correcting circuit
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : With transition or edge sharpening (e.g., aperture correction) : Shading or black spot correction)

Patent 5291289: Method and apparatus for transmission and reception of a digital television signal using multicarrier modulation
(TELEVISION : TELEVISION TRANSMITTER CIRCUITRY : Digital)

Patent 5291290: High power broadcast transmission system with ferrite circulator
(TELEVISION : TELEVISION TRANSMITTER CIRCUITRY : Digital)

Patent 5291291: ATV television system with reduced co-channel NTSC interference
(TELEVISION : TELEVISION TRANSMITTER CIRCUITRY : Digital)

Patent 5291292: Image sensor and method of driving the same
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : X - Y architecture : Including switching transistor and photocell at each pixel site (e.g., "MOS-type" image sensor) : With overflow gate or drain)

Patent 5291293: Electronic imaging device with defect correction
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Defective pixel (e.g., signal replacement) : Using dummy pixels)

Patent 5291294: Charge coupled device imager with horizontal charge transfer sections in an imaging section
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Charge-coupled architecture : Charges transferred to opposed registers : With diode in series with photocell)

Patent 5291295: System for equalizing phosphor aging in CRT, subject to different aspect ratio displays by operating unused display portions at brightness
(TELEVISION : VIDEO DISPLAY : Cathode-ray tube : Color TV)

Patent 5291296: Specific set of rotated screens for digital halftoning
(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 5291297: Illustion creating apparatus comprising a housing and a CRT
(TELEVISION : STEREOSCOPIC : Pseudo : Hue expander)

Patent 5291298: Video signal processing apparatus for controlling exposure, focus, and white balance for a VTR incorporated in a video camera
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Time (e.g., phase or frequency) correction : Including color burst or reference signal)

Patent 5291299: Power supply and control unit for a light system and a lighting unit for the light system
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PLURAL LOAD DEVICE SYSTEMS : Sequential starting : Alternate circuit closing)

Patent 5291300: Motion vector detecting apparatus for detecting motion of image to prevent disturbance thereof
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Including television camera : Digital technique)

Patent 5291301: Reserved recording method and apparatus for grouping programs based on content
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Including programmable apparatus : Disc)

Patent 5291302: Facsimile telecommunications system and method
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific image-processing circuitry)

Patent 5291303: Facsimile apparatus
(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 : Transfer rate of an uncoded or decoded image : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5291304: Facsimile apparatus having invoice sentence preparation function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Coding for digital facsimile equipment (e.g., Group 3 or 4))

Patent 5291305: Facsimile network system capable of carrying out broadcast communication
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Memory interface : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5291306: Image reproducing apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Memory interface : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5291307: Control circuit for an image used in a document processing machine
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Signal voltage or gain control : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5291308: Image processing apparatus using tonal degree conversion
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5291309: Image processing apparatus and method for multi-level image signal
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Adaptive image reproduction : Look-up table for image processing or print attribute data (e.g., threshold value, print element property))

Patent 5291310: Screen generation for halftone screening of images
(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) : Screen property or geometry (e.g., shape, period, symmetry, aspect ratio) : Stochastic or random dithering)

Patent 5291311: Apparatus and method for generating multi-level output values for pixels in a halftone cell
(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) : Look-up table for image processing or print attribute data (e.g., threshold value, print element property) : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5291312: Transmissive illumination type image input apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Picture signal thresholding)

Patent 5291313: Automatic contrast correctin useful in video-to-print apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Gradation : With plural sensors)

Patent 5291314: Spatial light modulator device and a conoscopic holography system of large dynamic range including such a modulator device
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using modulated or plural reference beams : Spatial, phase or amplitude modulation : Crystalline material)

Patent 5291315: Method of obtaining hologram and an exposure apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium :)

Patent 5291316: Information display system having transparent holographic optical element
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Head up display : Spatial, phase or amplitude modulation)

Patent 5291317: Holographic diffraction grating patterns and methods for creating the same
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Holograph on curved substrate)

Patent 5291318: Holographic member for a real-time clock in a raster output scanner
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Scanner : Crystalline material)

Patent 5291319: Rotating disc optical synchronization system using binary diffractive optical elements
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Scanner : Flat rotating disk :)

Patent 5291320: Higher order diffraction in holography
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having multiple object beam or diffuse object illumination : Discrete hologram only)

Patent 5291321: Method and apparatus for making hologram
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having optical element between object and recording medium : Discrete hologram only)

Patent 5291322: Supertwisted, nematic liquid crystal display device with LC birefringence at least 0.2 and LC retardation at least 1 micrometer
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Compensator or retarder (i.e., not using liquid crystal cell) : Cholesteric reflector)

Patent 5291323: Liquid crystal display device with positive and negative compensating films each with its optical axis parallel to the surface
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Compensator or retarder (i.e., not using liquid crystal cell) : Multiple compensators : Including at least one with negative intrinsic birefringence : With particular insulating layer)

Patent 5291324: Comparison apparatus with freespace optical interconnections between optoelectronic integrated circuits
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Time : Including photonic packet switching :)

Patent 5291325: Remote control unit with unitary crystal and button
(OPTICAL COMMUNICATIONS : REMOTE CONTROL : Cable repeater)

Patent 5291326: Optical signal transmission system, particularly optical cable television system, with monitoring and service-channel facilities
(OPTICAL COMMUNICATIONS : DIAGNOSTIC TESTING : Determination of communication parameter : Using supervisory signal : Monitoring :)

Patent 5291327: Imaging system using focal plane array
(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 : Concave reflector)

Patent 5291328: Semiconductor laser amplifiers
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Particular active medium (e.g., crystal, plasma, fluid, etc.) : Semiconductor : Fault detection)

Patent 5291329: Apparatus for recording an image
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Having ultraviolet absorbing or shielding property)

Patent 5291330: Method and apparatus for enhancing image resolution by means of a multiplicity of phase objects and an optional external radiant flux
(OPTICAL: SYSTEMS AND ELEMENTS : RELIEF ILLUSION : Stereo-viewers)

Patent 5291331: Light confining cavity with angular-spatial limitation of the escaping beam
(OPTICAL: SYSTEMS AND ELEMENTS : BUILDING INTERIOR ILLUMINATION WITH REFLECTED, REFRACTED OR PREDETERMINED ANGLE OF ENTRANCE OF OUTSIDE LIGHT : With reflection : Internal reflection in single optical element : Having another filter)

Patent 5291332: Etalons with dispersive coatings
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT INTERFERENCE : Produced by coating or lamina : Selective wavelength transmission or reflection : Filter having four or more layers)

Patent 5291333: Alignment system for a segmented telescope
(OPTICAL: SYSTEMS AND ELEMENTS : GLARE OR UNWANTED LIGHT REDUCTION : With reflection)

Patent 5291334: Micro-lens panoramic imager
(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 5291335: Optical equipment having a lens position detector
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : Motor driven : + - Arrangement)

Patent 5291336: Microbeam holder
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With lens casing : Flat opaque document or picture)

Patent 5291337: Device for adjusting the magnification of a flexible mirror and a method of making the same
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Including specified control or retention of the shape of a mirror surface : Plural reflecting surfaces)

Patent 5291338: Head-down type optical device for delivering information to the driver of a motor vehicle
(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 5291339: Schwarzschild optical system
(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 5291340: Reflecting objective system
(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 5291341: Laser attenuation device with sacrificial mirror
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : With selective absorption or transparent overcoating : Laminated or layered mirror support)

Patent 5291342: Multifunctional control type video head selecting device and method thereof
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Including head switching means : Disc)

Patent 5291343: Audio/video system for television receiver, video cassette recorder, and so forth
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Audio signal : By controlling read-write operations)

Patent 5291344: Magnetic tape recording device having a rectifier installed on a rotating head drum for rectifying a signal being applied to the head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Frequency)

Patent 5291345: Apparatus for applying magnetic field and magneto-optical disk storage having such apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Thermomagnetic recording or transducers : With incremental movement between record and head)

Patent 5291346: Recording and/or play-back system employing a cassette with a memory unit accommodated in the cassette
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Recording-or erasing-prevention : With incremental movement between record and head)

Patent 5291347: Write driver with H-switch synchronizing transistors
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Specifics of the amplifier : Recording amplifier :)

Patent 5291348: High density servo tracking
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Rotary carrier : By tracking signal recorded on or immediately beneath surface : By signal derived from transport)

Patent 5291349: Tape recorder and reproducer machine
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : For rotary carrier (e.g., disc))

Patent 5291350: Magnetic recording and reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)

Patent 5291351: Magnetic recording/reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)

Patent 5291352: Mechanism for loading and unloading a cassette tape
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)

Patent 5291353: Recoding and/or reproducing apparatus
(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 5291354: Lid opening mechanism for a digital audio tape cassette
(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 5291355: Micro miniature hard disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Tape in container)

Patent 5291356: Disk storage device having eject member
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Loading or ejecting mechanism : Disk seating)

Patent 5291357: Magnetic recording device having reduced electromagnetic interference
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Rotational drive detail : Motorized)

Patent 5291358: Magnetic recording device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Rotational drive detail : Motorized)

Patent 5291359: Head suspension assembly including a flexure having rails arranged for interfacing with a head ramp
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head into/out of transducing position : Disk record : Arcuate track change type : Fixed lifter : Actuator side detail)

Patent 5291360: Head suspension assembly for a disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Load beam detail : Actuator mount region detail : Pivot structure detail)

Patent 5291361: Disk drive with low elevated head unloading mechanism
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head into/out of transducing position : Disk record : Flexible disk : Partial contact)

Patent 5291362: A retractable bi-directional tape head mechanism
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For shifting head between tracks : Tape record having linear head movement : Cam : Adjustment detail)

Patent 5291363: Magnetic head provided with a flux guide and a magnetoresistive element
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having flux guide detail : In horizontal head configuration)

Patent 5291364: Magnetic head position measuring device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : MISCELLANEOUS : Drum)

Patent 5291365: Power supply with overvoltage protection circuit
(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 5291366: Surge voltage arrester
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Current limiting material in discharge path : Nonlinear material (e.g., valve type) : With multiple timing characteristics (e.g., short, long))

Patent 5291367: Stack igniter
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : IGNITING SYSTEMS : For electric spark ignition : With electromechanical power source)

Patent 5291368: Printed circuit board frame module assembly
(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 : Plural dielectric layers)

Patent 5291369: Three-pole, metal-encased, pressurized-gas-insulated, high-voltage switchgear
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Electrical switchgear : Gas insulated)

Patent 5291370: Compact data processor having a tilting and sliding display
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including display support : Fluid)

Patent 5291371: Thermal joint
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : By specific coating : Change of physical state)

Patent 5291372: Integral heat sink-terminal member structure of hybrid integrated circuit assembly and method of fabricating hybrid integrated circuit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : Through support means : Heat sink : Details : With heat sink or cooling fins)

Patent 5291373: Terminal block arrangement for a timer device or the like
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With lock or interlock)

Patent 5291374: Semiconductor device having an opening and method of manufacturing the same
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With lock or interlock)

Patent 5291375: Printed circuit board and electric device configured to facilitate bonding
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With lock or interlock)

Patent 5291376: System for coupling a high voltage, high current wire to a circuit board
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : Terminal block : For capacitor and inductor)

Patent 5291377: Schematic patch panel
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : Wire distribution (e.g., harness, rack, etc.) : With protective device or unit)

Patent 5291378: Fiber optically lighted food dispenser valve handle assembly
(ILLUMINATION : LIGHT FIBER, ROD, OR PIPE : With filter device : Including specific fiber structure)

Patent 5291379: Protective lamp-shade
(ILLUMINATION : MODIFIER MOUNTABLE ON LIGHT SOURCE ENVELOPE : With support)

Patent 5291380: Lamp
(ILLUMINATION : LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER : Including reflector : Enclosed light source : Refractor)

Patent 5291381: Light fixture mounting assembly
(ILLUMINATION : HOUSING : Recessed : With mounting means : With adjustment for panel dimensions or slope : Including cloth covering)

Patent 5291382: Pulse width modulated DC/DC converter with reduced ripple current coponent stress and zero voltage switching capability
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Processing of address header for routing, per se : Multistage switch)

Patent 5291383: Simplified UPS system
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Bridge type : Including plural anode/single cathode device)

Patent 5291384: Phase shifted switching controller
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Bridge type : Including plural anode/single cathode device)

Patent 5291385: Zero-current switching forward power converter operating in damped reverse boost mode
(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 5291386: Switched mode power supply with precharge of base-emitter sweep-out capacitor
(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 forward-type converter : Having digital logic :)

Patent 5291387: Switching voltage regulator with protective device against thermal breakdown
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including automatic or integral protection means : For inverters : Transistor inverter : Single-ended type : Having voltage protection : Including short protection across a series-connected pair of transistors (e.g., shoot-through protection, etc.))

Patent 5291388: Reconfigurable inverter apparatus for battery-powered vehicle drive
(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 transistor control means in the line circuit : For bridge-type inverter : With plural control windings)

Patent 5291389: Sequential function chart (SFC) controller for controlling a machine in reverse operation
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Sequential or selective : Failure protection or reliability : Specific programming (e.g., relay or ladder logic))

Patent 5291390: Control apparatus for mechanical devices which regulates control system operation speed to prevent hunting and overshooting and thereby
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Having particular compensation or stabilization feature : Neural network)

Patent 5291391: Fast programmable scan logic controller method and apparatus
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Sequence program response)

Patent 5291392: Method and apparatus for enhancing the accuracy of scanner systems
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Digital positioning (other than machine tool) : Having particular compensation or stabilization feature)

Patent 5291393: NC machine tool apparatus having means for producing NC work program and method thereof
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Having preparation of program : Positional (e.g., joystick))

Patent 5291394: Manufacturing control and capacity planning system
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Operations research : Allocating resources or scheduling for an administrative function : Including a payment switch or gateway)

Patent 5291395: Wallcoverings storage and retrieval system
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Electronic shopping (e.g., remote ordering) : Presentation of image or description of sales item (e.g., electronic catalog browsing) : Staff scheduling or task assignment)

Patent 5291396: Method of ordering, shipping and merchandising goods and shipping/display assembly therefor
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Secure transaction (e.g., EFT/POS))

Patent 5291397: Method for resource allocation and project control for the production of a product
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Design or planning : Positional with nonpositional)

Patent 5291398: Method and system for processing federally insured annuity and life insurance investments
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Insurance (e.g., computer implemented system or method for writing insurance policy, processing insurance claim, etc.) : Patient record management)

Patent 5291399: Method and apparatus for accessing a portable personal database as for a hospital environment
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Health care management (e.g., record management, ICDA billing) : Patient record management : Including a payment switch or gateway)

Patent 5291400: System for heart rate variability analysis
(SURGERY : DIAGNOSTIC TESTING : Cardiovascular : Heart : Detecting heartbeat electric signal : Entire testing assembly supported on wrist)

Patent 5291401: Teleradiology system
(IMAGE ANALYSIS : APPLICATIONS : Biomedical applications : X-ray film analysis (e.g., radiography) : With a prism)

Patent 5291402: Helical scanning computed tomography apparatus
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Computerized tomography : Source or detector translation within plane : Radial :)

Patent 5291403: Method of and apparatus for processing radiation image
(RADIANT ENERGY : SOURCE WITH RECORDING DETECTOR : Using a stimulable phosphor : With image read-out : Including emission detection : With adjustment of conditions :)

Patent 5291404: Radiotherapy treatment planning system
(SURGERY : RADIOACTIVE SUBSTANCE APPLIED TO BODY FOR THERAPY : Measuring anatomical characteristic or force applied to or exerted by body)

Patent 5291405: Documentation management system
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT :)

Patent 5291406: Land vehicle suspension control system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Suspension control : Modification or correction of route information)

Patent 5291407: Draft control system with safety disconnect
(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 5291408: Vehicle traction control 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 : Having particular slip threshold, target slip ratio, or target engine torque determining means : Having fuel cutting or ignition timing retarding)

Patent 5291409: Spark timing control system
(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 : Speed, acceleration, deceleration : Detection of O2 concentration)

Patent 5291410: Circuitry for synchronizing the speed of a plurality of engines by sequentially averaging phase difference with a reference phase
(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 : Speed, acceleration, deceleration : Detection of O2 concentration)

Patent 5291411: Apparatus and method for reviewing path of travel
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : Great circle route)

Patent 5291412: Navigation system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : For use in a map data base system : Having audio or visual route guidance : Route correction, modification, or verification)

Patent 5291413: Navigation system for guiding a vehicle along a precomputed optimal route
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : For use in a map data base system : Including route searching or determining device : Route correction, modification, or verification : Detection of O2 concentration)

Patent 5291414: Navigation system for guiding a vehicle along a precomputed optimal route
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : For use in a map data base system : Including route searching or determining device : Route correction, modification, or verification : Detection of O2 concentration)

Patent 5291415: Method to determine tool paths for thinning and correcting errors in thickness profiles of films
(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 : Including velocity or acceleration control : Tool/workpiece interference prevention)

Patent 5291416: Event feedback for numerically controlled machine tool and network implementation thereof
(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 : Laser)

Patent 5291417: Method and arrangement for determining the internal resistance of a lambda probe and for the closed-loop heating control with the aid of
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Specific application of temperature responsive control system : For heating or cooling : By voltage regulation)

Patent 5291418: Adjustment of electric potential by automatic titration
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Chemical process control or monitoring system : Titration or pH level : Using Jacobian computation)

Patent 5291419: Method for diagnosing the life of a solder connection
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Mechanical measurement system : Wear or deterioration evaluation : Using radiant energy)

Patent 5291420: Remote management system for photographic equipment
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : TESTING SYSTEM : Including specific communication means : Including input/output or test mode selection means)

Patent 5291422: Broadband instrument for nondestructive measurement of material properties
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Chemical analysis : Chemical property analysis : Using radiant energy)

Patent 5291423: Arrangement for monitoring the quality of electric welds
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Quality evaluation : Having judging means (e.g., accept/reject) : Frequency)

Patent 5291424: Distance detecting apparatus
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : For electrical fault detection : Fault location : Torsional, shear, tensile, or compression)

Patent 5291425: Test mode setting arrangement for use in microcomputer
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Testing or evaluating :)

Patent 5291426: Method of correcting spectral data for background
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Measured signal processing : Signal extraction or separation (e.g., filtering) : For noise removal or suppression : By mathematical attenuation (e.g., weighting, averaging) : Subtracting noise component :)

Patent 5291427: Method for assisting the development of a set of communicating automata
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : SIMULATING ELECTRONIC DEVICE OR ELECTRICAL SYSTEM : Chemical)

Patent 5291428: Apparatus for reducing spurious frequency components in the output signal of a direct digital synthesizer
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL HYBRID CALCULATING COMPUTER : Particular function performed :)

Patent 5291429: Circuit for matrix calculation of discrete cosine transformation
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Transform : Discrete Cosine Transform (i.e., DCT) : Equalizer)

Patent 5291430: Method and apparatus for multiplying a plurality of numbers
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiplication : Overflow or underflow)

Patent 5291431: Array multiplier adapted for tiled layout by silicon compiler
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiplication : Binary : Repeated addition : Multiple digit : Array adders :)

Patent 5291432: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : FORMAT OR DISPOSITION OF ELEMENTS : Magnetic)

Patent 5291433: Semiconductor memory with leak-resistant bit lines
(STATIC INFORMATION STORAGE AND RETRIEVAL : INTERCONNECTION ARRANGEMENTS : Magnetic)

Patent 5291434: MOS fuse with oxide breakdown and application thereof to memory cards
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Data security : Overlays)

Patent 5291435: Read-only memory cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ ONLY SYSTEMS (I.E.. SEMIPERMANENT) : Semiconductive : Transistors : Flash)

Patent 5291436: Ferroelectric memory with multiple-value storage states
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Ferroelectric : Same size apertures)

Patent 5291437: Shared dummy cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Capacitors : Same size apertures)

Patent 5291438: Transistor and a capacitor used for forming a vertically stacked dynamic random access memory cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Capacitors : Same size apertures)

Patent 5291439: Semiconductor memory cell and memory array with inversion layer
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Virtual ground : Weak inversion injection)

Patent 5291440: Non-volatile programmable read only memory device having a plurality of memory cells each implemented by a memory transistor and a switching
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Logic connection (e.g., NAND string) : Weak inversion injection)

Patent 5291441: Electrically programmable read only memory device with timing detector for increasing address decoding signal
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Semiconductive)

Patent 5291442: Method and apparatus for dynamic cache line sectoring in multiprocessor systems
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY : STORAGE ACCESSING AND CONTROL : Hierarchical memories : Caching : Multiple caches : Parallel caches :)

Patent 5291443: Simultaneous read and refresh of different rows in a dram
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Simultaneous operations (e.g., read/write) : Four or more devices per bit)

Patent 5291444: Combination DRAM and SRAM memory array
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Having particular data buffer or latch : Four or more devices per bit)

Patent 5291445: Semiconductor integrated circuit device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including specified plural element logic arrangement : Four or more devices per bit)

Patent 5291446: VPP power supply having a regulator circuit for controlling a regulated positive potential
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including reference or bias voltage generator : Four or more devices per bit)

Patent 5291447: Semiconductor memory device having function of controlling sense amplifiers
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : For complementary information : Four or more devices per bit)

Patent 5291448: Zone-segregated circuit for the testing of electrically programmable memory cells
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)

Patent 5291449: IC memory testing apparatus
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)

Patent 5291450: Read circuit of dynamic random access memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Precharge : Coincident A.C. signal with pulse)

Patent 5291451: Automatic inspecting apparatus for precharge of data line in memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Precharge : Coincident A.C. signal with pulse)

Patent 5291452: Sensing amplifier circuit for data readout from a semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Noise suppression : Differential sensing : Semiconductors : Radiation erasure)

Patent 5291453: Serial memory apparatus having units for presetting reading bit lines to a given voltage
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Serial read/write : Holographic)

Patent 5291454: Circuit for decreasing current consumption in data output circuit in case one of two supply voltages fails
(STATIC INFORMATION STORAGE AND RETRIEVAL : POWERING : Having fuse element)

Patent 5291455: Memory having distributed reference and bias voltages
(STATIC INFORMATION STORAGE AND RETRIEVAL : POWERING : Having fuse element)

Patent 5291456: Data storage control device
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Data preservation)

Patent 5291457: Sequentially accessible non-volatile circuit for storing data
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sequential : Page memories)

Patent 5291458: Method of determining depth values for the surface profile of the bottom of a body of water
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Side scanning or contour mapping sonar systems : Linear valve control)

Patent 5291459: Signal processor having multiple distributed data buffers
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : UNDERWATER SYSTEM : Telemetering : Addition or subtraction)

Patent 5291460: Piezoelectric sounding body
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Animal control)

Patent 5291461: Elastomer structure for transducers
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Underwater type : Piezoelectric : With diaphragm : Multimorph)

Patent 5291462: Optical disk having playback parameters recorded thereon and method for using same
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : In compact size assembly : Light beam transducer assembly)

Patent 5291463: Optical card reproducing apparatus for reproducing information with a two-dimensional solid-state imaging device
(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 5291464: Speed and position control apparatus for positioning a movable object
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Power- or motion-transmitting mechanism)

Patent 5291465: Automatic changer for digital discs
(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 5291466: Automatic control system for a tracking servo unbalance of optical disk player
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Servo loop gain/switching control : Recording (e.g., inhibit recording upon defect, etc.))

Patent 5291467: Disc recording apparatus for recording a signal without losing the signal during an occurrence of a track jump
(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 5291468: Method and apparatus for synchronizing the readout of a sequential media device with a separate clocked device
(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 phase, timing, or rate processing : Including static memory accessing : Including static memory fill level monitoring or controlling : Having particular mechanism or slot for transferring disc into changer from outside)

Patent 5291469: Digital data recording and/or reproducing apparatus
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SYSTEMS OR SUBSYSTEMS COMBINED WITH DIVERSE ART DEVICE : Manual motion application (e.g., novelty card, hand-held stylus))

Patent 5291470: Optical information recording method
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : BINARY PULSE TRAIN INFORMATION SIGNAL : Binary signal processing for controlling recording light characteristic : Positioning adjunct)

Patent 5291471: Recording/reproducing system using phase encoding of optical storage medium
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Diffractive storage medium information element : Plural elements with distinct diffractive characteristics : During storage)

Patent 5291472: Information recording and reproduction methods using oscillation medium or transducer
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Tracks transverse to a motion component)

Patent 5291473: Optical storage media light beam positioning system
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Having particular optical element or particular placement thereof in radiation beam path to or from storage medium : Mirror : Sectioned element)

Patent 5291474: Procedure for forming frequencies of a digital radio telephone
(MULTIPLEX COMMUNICATIONS : DUPLEX : Communication over free space : Frequency division : Using summation of conferee signals)

Patent 5291475: Slot hopped FD/TD/CDMA
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Having both time and frequency assignment : Including onboard switching)

Patent 5291476: Switching center for radiomobile application
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Having a supervisory signaling feature : Control storage addressing)

Patent 5291477: Method and system for multicast routing in an ATM network
(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 5291478: Switching network wherein short-path connections can be switched
(MULTIPLEX COMMUNICATIONS : DUPLEX : Duplex diplex)

Patent 5291479: Modular user programmable telecommunications system with distributed processing
(MULTIPLEX COMMUNICATIONS : SPECIAL SERVICES : Conferencing : Conferee signals combined or distributed via time channels : Using plural diverse channel communications with a dedicated signaling channel (i.e., ISDN) : Loopback of signals on the secondary ring or loop)

Patent 5291480: Synchronous node controllers for switching network
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Having a plurality of nodes performing distributed switching : Having detail of switch memory reading/writing)

Patent 5291481: Congestion control for high speed packet networks
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Control of data admission to the network : Spare channel)

Patent 5291482: High bandwidth packet switch
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Queuing arrangement : Having both input and output queuing : Bridge between bus systems)

Patent 5291483: Cell transfer method and cell receiving apparatus
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Sequencing or resequencing of packets to insure proper output sequence order : Address concatenation)

Patent 5291484: Relay and exchange system for time division multiplex data
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Having a supervisory signaling feature : Control storage addressing)

Patent 5291485: Method and apparatus for translating differently-sized virtual tributaries organized according to a synchronous optical network
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Byte assembly and formatting : Transmission of a single message having multiple packets)

Patent 5291486: Data multiplexing apparatus and multiplexed data demultiplexing apparatus
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Multiplexing plural input channels to a common output channel : Plural input channels of same rate to a single common rate output channel : Multiple levels of multiplexing to form a multiplex hierarchy : Delay based upon propagation delay time)

Patent 5291487: Apparatus for, and method of, packing and unpacking information in transmission lines
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Only active channels transmitted : Particular storing and queuing arrangement)

Patent 5291488: Communication system configuration data management
(MULTIPLEX COMMUNICATIONS : NETWORK CONFIGURATION DETERMINATION : Determination of communication parameters)

Patent 5291489: Interprocessor switching network
(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 5291490: Node for a communication network
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Processing of address header for routing, per se : Multistage switch)

Patent 5291491: Avoidance of false re-initialization of a computer 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 : Initialization or reinitialization of network : Ring or loop forms backbone for interconnecting other networks)

Patent 5291492: Externally controlled call processing system
(MULTIPLEX COMMUNICATIONS : SPECIAL SERVICES : In a bus system)

Patent 5291493: ISDN interface
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Using time slots : Passing a signal identifying the idle or busy state of a channel (e.g., token passing))

Patent 5291494: Method of handling errors in software
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : DATA PROCESSING SYSTEM ERROR OR FAULT HANDLING : Reliability and availability : Fault recovery : Safe shutdown : With power supply status monitoring)

Patent 5291495: Method for designing a scan path for a logic circuit and testing of the same
(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 5291496: Fault-tolerant corrector/detector chip for high-speed data processing
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Testing of error-check system : Memory access (e.g., address permutation))

Patent 5291497: Method for testing, debugging, and comparing computer programs using concurrent simulation of program paths
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : DATA PROCESSING SYSTEM ERROR OR FAULT HANDLING : Reliability and availability : Fault locating (i.e., diagnosis or testing) : Analysis (e.g., of output, state, or design) : Of computer software : Memory emulator feature)

Patent 5291498: Error detecting method and apparatus for computer memory having multi-bit output memory circuits
(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 5291499: Method and apparatus for reduced-complexity viterbi-type sequence detectors
(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) : Branch metric calculation : Syndrome computed)

Patent 5291500: Eight-sample look-ahead for coded signal processing channels
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Error/fault detection technique : Forbidden combination or improper condition : Missing-bit/drop-out detection : Syndrome computed)

Patent 5291501: Optical fibre with doped core and doped inner cladding, for use in an optical fibre laser
(COHERENT LIGHT GENERATORS : OPTICAL FIBER LASER :)

Patent 5291502: Electrostatically tunable optical device and optical interconnect for processors
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Tuning : Plural Q-switches)

Patent 5291503: Internally stimulated optical parametric oscillator/laser
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Nonlinear device : Plural Q-switches)

Patent 5291504: Laser pump module
(COHERENT LIGHT GENERATORS : PARTICULAR TEMPERATURE CONTROL : Optical output stabilization)

Patent 5291505: Active energy control for diode pumped laser systems using pulsewidth modulation
(COHERENT LIGHT GENERATORS : PARTICULAR COMPONENT CIRCUITRY : Switch (e.g., thyratron, etc.) : Frequency)

Patent 5291506: Semiconductor laser made of group II-VI compounds
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Utilizing color centers)

Patent 5291507: Blue-green laser diode
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Rotating prism)

Patent 5291508: Gas laser tube
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Gas : Discharge tube feature : Support : Having lens)

Patent 5291509: Gas laser apparatus
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Gas : Discharge tube feature : Support : Having lens)

Patent 5291510: Electric power supply for laser
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Plural active media or active media having plural dopants)

Patent 5291511: Communication system network having self address information
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Store and forward : Space switching)

Patent 5291512: Bragg reflector for microwave and far-infrared wave, and free electron laser provided with the reflector
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Specified cavity component : Reflector : Hollow electrode)

Patent 5291513: Method and device for exhausting gases or fumes from a metallurgical container and an electric furnace provided with said exhaust device
(INDUSTRIAL ELECTRIC HEATING FURNACES : ENVIRONMENTAL CONTROL : Arc furnace : With induction)

Patent 5291514: Heater autotone control apparatus and method
(INDUSTRIAL ELECTRIC HEATING FURNACES : RESISTANCE FURNACE DEVICE : Control : Including resistor shape detail)

Patent 5291515: Spread spectrum communication device
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : End-to-end transmission system : Having correlation-type receiver :)

Patent 5291516: Dual mode transmitter and receiver
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Hybrid form :)

Patent 5291517: Carrier freuency corrector for a DSSS communication system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : End-to-end transmission system : Having correlation-type receiver :)

Patent 5291518: Link system for radio paging service
(PULSE OR DIGITAL COMMUNICATIONS : REPEATERS : Including pulse regeneration or conversion : Receiver)

Patent 5291519: Digital mobile communications terminal equipment and receiving method therefor
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Angle modulation)

Patent 5291520: Methods and apparatus employing distribution preserving Tomlinson precoding in transmission of digital data signals
(PULSE OR DIGITAL COMMUNICATIONS : PULSE CODE MODULATION : Noise or distortion reduction : Single bit (delta))

Patent 5291521: Index assignment in redundancy-coded data communication systems
(PULSE OR DIGITAL COMMUNICATIONS : TRANSMITTERS : Synchronized)

Patent 5291522: Device and method for estimating sampled value of impulse response and signal reproduction system using the device
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Carrier controlling local generator)

Patent 5291523: Viterbi receiver with improved timing means
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Adaptive : Matched-filter-type receiver)

Patent 5291524: Viterbi decoding apparatus
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Maximum likelihood decoder or viterbi decoder : Separate mark and space channels)

Patent 5291525: Symmetrically balanced phase and amplitude base band processor for a quadrature receiver
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Automatic gain control : Correlative or matched filter)

Patent 5291526: Digital signal reproducing apparatus for reducing influence by jitter
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Frequency or phase control using synchronizing signal : Manchester code or biphase code)

Patent 5291527: Communication system and demodulator used in communication system
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Carrier controlling local generator)

 

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