Patents 5159411 - 5159665

 

 

Patent 5159411: Method and apparatus for the detection of a gas using photoacoustic spectroscopy
(OPTICS: MEASURING AND TESTING : FOR LIGHT TRANSMISSION OR ABSORPTION : For flaws or imperfections)

Patent 5159412: Optical measurement device with enhanced sensitivity
(OPTICS: MEASURING AND TESTING : OF LIGHT REFLECTION (E.G., GLASS) : Of photographic film)

Patent 5159413: Monolithic integrated circuit having compound semiconductor layer epitaxially grown on ceramic substrate
(SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS : HIGH TEMPERATURE (TC GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING : Semiconductor thin film device or thin film electric solid-state device or system (i.e., active or passive) : Having optical waveguide)

Patent 5159414: Junction field effect transistor of a compound semiconductor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Field effect transistor : Having narrow energy band gap (<<1eV) layer (e.g., PbSnTe, HgCdTe, etc.))

Patent 5159415: CMOS dynamic RAM with discrete sense amplifiers and a common sense amplifier and a method for the manufacture thereof
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Imaging array)

Patent 5159416: Thin-film-transistor having Schottky barrier
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : With contact to source or drain region of refractory material (e.g., polysilicon, tungsten, or silicide) : Including silicide : With barrier region of reduced minority carrier lifetime (e.g., heavily doped P+ region to reduce electron minority carrier lifetime, or containing deep level impurity or crystal damage), or with region of high threshold voltage (e.g., heavily doped channel stop region))

Patent 5159417: Semiconductor device having short channel field effect transistor with extended gate electrode structure and manufacturing method thereof
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Short channel insulated gate field effect transistor : With lightly doped portion of drain region adjacent channel (e.g., LDD structure) : All contacts on same surface (e.g., lateral structure))

Patent 5159418: CCD imager with integrated voltage divider resistors to supply overflow drain
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Charge transfer device : Electrical input : Single strip of sensors (e.g., linear imager))

Patent 5159419: CCD imager responsive to long wavelength radiation
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Charge transfer device : Non-electrical input responsive (e.g., light responsive imager, input programmed by size of storage sites for use as a read-only memory, etc.) : Channel confinement)

Patent 5159420: Dual medium heterojunction acoustic charge transport multiple quantum well spatial light modulator
(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) : Heterojunction : Quantum well :)

Patent 5159421: Double channel heterostructures
(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) : Heterojunction : Quantum well : Superlattice : With specified semiconductor materials : Si x Ge 1-x)

Patent 5159422: Photoelectric conversion device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : NON-SINGLE CRYSTAL, OR RECRYSTALLIZED, SEMICONDUCTOR MATERIAL FORMS PART OF ACTIVE JUNCTION (INCLUDING FIELD-INDUCED ACTIVE JUNCTION) : Amorphous semiconductor material : Field effect device in amorphous semiconductor material : In array having structure for use as imager or display, or with transparent electrode : High temperature (i.e., >30o Kelvin))

Patent 5159423: Self-aligned, planar heterojunction bipolar transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Bipolar transistor : Doping on side of heterojunction with lower carrier affinity (e.g., high electron mobility transistor (HEMT)))

Patent 5159424: Semiconductor device having a high current gain and a higher GE amount at the base region than at the emitter and collector region, and
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Bipolar transistor : Doping on side of heterojunction with lower carrier affinity (e.g., high electron mobility transistor (HEMT)))

Patent 5159425: Insulated gate device with current mirror having bi-directional capability
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Short channel insulated gate field effect transistor : Active channel region has a graded dopant concentration decreasing with distance from source region (e.g., double diffused device, DMOS transistor) : In integrated circuit structure : In integrated circuit structure)

Patent 5159426: Integrated circuit with improved battery protection
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : Complementary insulated gate field effect transistors : Including resistor element)

Patent 5159427: Semiconductor substrate structure for use in power IC device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Including high voltage or high power devices isolated from low voltage or low power devices in the same integrated circuit : With electric field controlling semiconductor layer having a low enough doping level in relationship to its thickness to be fully depleted prior to avalanche breakdown (e.g., RESURF devices))

Patent 5159428: Sidewall-sealed poly-buffered LOCOS isolation
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Including dielectric isolation means : Combined with pn junction isolation (e.g., isoplanar, LOCOS) : Connected across base-collector junction of transistor (e.g., Baker clamp))

Patent 5159429: Semiconductor device structure employing a multi-level epitaxial structure and method of manufacturing same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Including dielectric isolation means : Combined with pn junction isolation (e.g., isoplanar, LOCOS) : Dielectric in groove : Geometric configuration of junction (e.g., fingers))

Patent 5159430: Vertically integrated oxygen-implanted polysilicon resistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : Combined with passive components (e.g., resistors) : With multiple levels of polycrystalline silicon : With barrier region of reduced minority carrier lifetime (e.g., heavily doped P+ region to reduce electron minority carrier lifetime, or containing deep level impurity or crystal damage), or with region of high threshold voltage (e.g., heavily doped channel stop region))

Patent 5159431: Nonvolatile semiconductor device with a trench isolator
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : With floating gate electrode : With additional contacted control electrode : With capacitor electrodes connection portion located centrally thereof (e.g., fin electrodes with central post))

Patent 5159432: Semiconductor device package having improved sealing at the aluminum nitride substrate/low melting point glass interface
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Insulating material : Of high thermal conductivity ceramic (e.g., BeO) : Housing entirely of metal except for feedthrough structure)

Patent 5159433: Hybrid integrated circuit device having a particular casing structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With window means : For erasing EPROM : Combined with channel stop region in semiconductor)

Patent 5159434: Semiconductor device having a particular chip pad structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : With structure for mounting semiconductor chip to lead frame (e.g., configuration of die bonding flag, absence of a die bonding flag, recess for LED) : Of insulating material)

Patent 5159435: Television signal generator
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : With details of static storage device : Accessing circuitry : Of color signal)

Patent 5159436: Technique for detecting color misregistration and misconvergence in video color displays and cameras
(TELEVISION : MONITORING, TESTING, OR MEASURING : Test signal generator : Color match comparator)

Patent 5159437: Television signal converting apparatus
(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 5159438: Aspect ratio conversion of television display
(TELEVISION : FORMAT CONVERSION : Conversion between standards with different aspect ratios : Specified chrominance signal)

Patent 5159439: Circuit for controlling delay time between luminance and chrominance signals
(TELEVISION : SYNCHRONIZATION : Locking of video or audio to reference timebase : Including demodulator)

Patent 5159440: Time difference correction circuit for brightness and chrominance signals
(TELEVISION : SYNCHRONIZATION : Locking of video or audio to reference timebase : Including demodulator)

Patent 5159441: Flying spot telecine and method of operating same
(TELEVISION : SPECIAL APPLICATIONS : Film, disc or card scanning : Motion picture film scanner : Flying spot scanner : Flying spot scanner)

Patent 5159442: Color signal processing apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : For color television : Coring type)

Patent 5159443: Image signal encoding/decoding apparatus and system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)

Patent 5159444: Apparatus for reading and reproducing a color image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color photography previewer : With memory for storage of conversion data)

Patent 5159445: Teleconferencing video display system for improving eye contact
(TELEVISION : TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE) :)

Patent 5159446: Electronic endoscope system provided with a separate camera controlling unit and motor controlling unit
(TELEVISION : SPECIAL APPLICATIONS : With endoscope : Image magnifying)

Patent 5159447: Buffer control for variable bit-rate channel
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Quantization : Feed back :)

Patent 5159448: Highly efficient coding apparatus
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Plural : Subband coding)

Patent 5159449: Method and apparatus for data reduction in a video image data reduction system
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Including one conventional or compatible channel (e.g., two channel NTSC systems))

Patent 5159450: Noise reduction circuit and compatable plural-unit display
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : For removal of low amplitude random noise (e.g., variable bandwidth) : Coring type : For color television)

Patent 5159451: Field memory expansible line doubler for television receiver
(TELEVISION : FORMAT CONVERSION : Line doublers type (e.g., interlace to progressive IDTV type) : Specified chrominance signal)

Patent 5159452: Video signal transmitting method and equipment of the same
(TELEVISION : NONPICTORIAL DATA PACKET IN TELEVISION FORMAT : Error correction or prevention : Frequency change of subcarrier)

Patent 5159453: Video processing method and apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Specified details of signal combining : For generation of soft edge (e.g., blending))

Patent 5159454: Horizontal-synchronizing-pulse measuring circuit
(TELEVISION : SYNCHRONIZATION : Sync separation : To produce distinct horizontal output : With distinct horizontal output)

Patent 5159455: Multisensor high-resolution camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Unitary image formed by compiling sub-areas of same scene (e.g., array of cameras) : With image intensifier)

Patent 5159456: Photo-to-photo transducer and method of operation using a photo-moldulation member affected by a change distribution in a
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Cathode-ray tube)

Patent 5159457: High accuracy blemish compensator for defective pixels of a CCD
(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 5159458: Camera sensing when a memory cartridge is installed
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Moving reflector)

Patent 5159460: Video signal recording apparatus that converts high definition video signals into signals usable with conventional television systems
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Compressing when recording or decompressing when reproducing : Separately recorded)

Patent 5159461: Image signal recording apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Including television camera : Separately recorded)

Patent 5159462: Video signal generating apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Editing : Including switching means and delay means)

Patent 5159463: Reproducing device of multi-channel rotary head type having function to discriminate recorded state
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Including audio signal : Separately recorded)

Patent 5159464: Synchronization holding circuit in scanning of laser disk player
(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 : By controlling relative transducer/record medium speed : Disc :)

Patent 5159465: Facsimile machine having a transmission speed selective shiftdown function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Image transmission accuracy verification : Composite image)

Patent 5159466: Facsimile apparatus with selectable data image coding
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Coding for digital facsimile equipment (e.g., Group 3 or 4))

Patent 5159467: Image signal restoring device
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Signal enhancing : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5159468: Image reduction system
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Picture size conversion : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5159469: Moire removing device for image scanner
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Picture signal thresholding)

Patent 5159470: Image processing method and apparatus with reduction of granular noise, etc.
(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) : Error diffusion in gray level or halftone generation :)

Patent 5159471: Scanner device having a binary signal depending upon density level of adjacent pixels
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Picture signal thresholding : Variable thresholding technique : Stochastic or random dithering)

Patent 5159472: Image forming apparatus using solid image-pickup element
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Solid state : Including a polygon reflector)

Patent 5159473: Apparatus and method for programmable optical interconnections
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT :)

Patent 5159474: Transform optical processing system
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Fourier transform holography : Discrete hologram only)

Patent 5159475: High speed optical protection using smectic liquid crystal
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL OPTICAL ELEMENT : Beam dividing switch formed from liquid crystal cell : Twisted (or chiral) nematic or supertwisted nematic)

Patent 5159476: Liquid crystal display unit having large image area and high resolution
(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 supplemental capacitor : In active matrix with separate dedicated capacitor line : With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure)

Patent 5159477: Active matrix display device having additional capacitors connected to switching elements and additional capacitor common line
(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 supplemental capacitor : In active matrix with separate dedicated capacitor line : With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure)

Patent 5159478: Transmission liquid crystal display apparatus
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Diffuser (on viewer side of liquid crystal) : Opaque mask or black mask)

Patent 5159479: Private branch radio communication system using optical fibers
(OPTICAL COMMUNICATIONS : HYBRID COMMUNICATION SYSTEM (E.G., OPTICAL AND RF) : Including specific optical interface : Through optical fiber or waveguide)

Patent 5159480: Infrared widebeam communication transmitter
(OPTICAL COMMUNICATIONS : OPTICAL COMMUNICATION OVER FREEE SPACE : Transmitter and receiver : Including alignment)

Patent 5159481: Polarization scrambler for polarization-sensitive optical devices
(OPTICAL COMMUNICATIONS : RECEIVER : Including specific optical elements)

Patent 5159482: Coil arrangement for an optical scanner and optical scanner provided with such a coil arrangement
(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 : Particular oscillating driver :)

Patent 5159483: Projecting and exposing device
(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 lens :)

Patent 5159484: Reflection mirror support structure of raster scanner
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : By moving a reflective element : Reflective element moved by deformable support : Having planar rotating reflector with rotation axis in its plane)

Patent 5159485: System and method for uniformity of illumination for tungsten light
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : By changing physical characteristics (e.g., shape, size or contours) of an optical element : Shape or contour of light control surface altered : Amplitude modulation)

Patent 5159486: Instrumentation apparatus and methods utilizing photoconductors as light-modulated dielectrics
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) : Opto-optical device : Light control surface formed or destroyed)

Patent 5159487: Optical parametric oscillator OPO having a variable line narrowed output
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Parametric oscillator : Third harmonic)

Patent 5159488: Optical video disc player
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Time (e.g., phase or frequency) correction : Of relative transducer/record medium speed : Using control signal on the recording medium)

Patent 5159489: High resolution telescope
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Telescope : With plural optical axes : Spacing of optical elements axially adjustable)

Patent 5159490: Mirror
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT INTERFERENCE : Produced by coating or lamina : Reflector : Laminated or layered)

Patent 5159491: Combination collimating lens and correcting prism
(OPTICAL: SYSTEMS AND ELEMENTS : COLLIMATING OF LIGHT BEAM : By refraction at beam splitting or combining surface)

Patent 5159492: Objective lens system for use within microscope
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Microscope objective : Having less than four components : In a variable media (e.g., gas, elastomer, etc.))

Patent 5159493: Retrofocus type wide angle lens comprising a fixed group and movable corrective and rear groups
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Reverse telephoto : In a variable media (e.g., gas, elastomer, etc.))

Patent 5159494: Zoom lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Three groups : + - - + Arrangement)

Patent 5159495: Graded index optical elements and catadioptric optical systems
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With reflecting element : Including concave or convex reflecting surface : Reflectors in series : With concave and convex reflectors in series : Auto focusing)

Patent 5159496: Lens system with four meniscus lenses made of anomalous dispersion glass
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Multiple component lenses : With five or less components)

Patent 5159497: Solenoid controlled rearview mirror
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Automatically adjustable in response to vehicle position, control, or indicator : Plural reflecting surfaces)

Patent 5159498: Active mirror assembly
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Including specified control or retention of the shape of a mirror surface : Membrane mirror in mechanical contact only at its edge : Roof or roof-angle)

Patent 5159499: Logging cable magnetic remark apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORDING ON OR REPRODUCING FROM AN ELEMENT OF DIVERSE UTILITY :)

Patent 5159500: Magnetic tape recording of reproducing apparatus with recorded channel indicator
(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 5159501: Adaptive prewrite compensation apparatus and method
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Pulse crowding correction : Intra-cell transition)

Patent 5159502: Data recording apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Signal switching : Record-reproduce :)

Patent 5159503: Phase and period synchronization for a slave disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Speed : Control of relative speed between carriers :)

Patent 5159504: Information signal reproducing apparatus
(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 : By pilot signal : From separate track)

Patent 5159505: Rotating drum having a center of gravity in registry with an axis of rotation
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : For rotary carrier (e.g., disc))

Patent 5159506: Magnetic tape recording/reproducing apparatus with improved tension control mechanism
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)

Patent 5159507: Tape recording and/or reproducing apparatus with a single motor for driving its rotary heads, capstan and reel bases
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)

Patent 5159508: Magnetic head slider having a protective coating thereon
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Slider material : Rail material : With pivotal holder)

Patent 5159509: Magnetic head carriage device for magnetic disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Full contact suspension : Noise reduction)

Patent 5159510: Video tape recorder head ultrasonically vibrated transverse to a track traced by the head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For adjusting head position : Tape record : Rotary head : Adjustable head mount : Piezoelectric adjuster : Adjustable)

Patent 5159511: Biasing conductor for MR head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having Anisotropic Magnetoresistive (AMR) sensor formed of a single thin film : Detail of longitudinal biasing : Using conductor : Voice coil adjuster)

Patent 5159512: Construction of Minkowski sums and derivatives morphological combinations of arbitrary polyhedra in CAD/CAM systems
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension :)

Patent 5159513: Magnetoresistive sensor based on the spin valve effect
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having Giant Magnetoresistive (GMR) or Colossal Magnetoresistive (CMR) sensor formed of multiple thin films : Having one film pinned (e.g., spin valve) : Pivot/load button detail)

Patent 5159514: Film magnetic head having a corrosion prevention layer provided over an electrode pad
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)

Patent 5159515: Protection circuit for power FETs in a half-bridge circuit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Voltage regulator protective circuits : Shunt connected capacitors)

Patent 5159516: Overcurrent-detection circuit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Voltage regulator protective circuits : Shunt connected capacitors)

Patent 5159517: Immersion detection circuit interrupter
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Ground fault protection : In a single phase system : With more than three wires)

Patent 5159518: Input protection circuit for CMOS devices
(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 5159519: Digital circuit interrupter with an improved sampling algorithm
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : With time delay protective means : With instantaneous override : With multiple timing characteristics (e.g., short, long) :)

Patent 5159520: Semiconductor integrated circuit having function of preventing rise of surface temperature
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Circuit interruption by thermal sensing : With mechanical circuit breaker)

Patent 5159521: Lightning eliminator
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Pneumatically operated circuit breaker)

Patent 5159522: Electric clutch actuator
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : Systems for magnetizing, demagnetizing, or controlling the magnetic field : Including particular drive circuit : Including means to establish plural distinct current levels (e.g., high, low) : By separating contacts)

Patent 5159523: Grounding system and detection circuit for fueling
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : DISCHARGING OR PREVENTING ACCUMULATION OF ELECTRIC CHARGE (E.G., STATIC ELECTRICITY) : Of storage or hazardous area or fluid handling : Particular relay or solenoid)

Patent 5159524: Laser trimable capacitor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : With capacitor element)

Patent 5159525: Pressure sensor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Variable : Responsive to external condition : Pressure : Threshold device (neon tube))

Patent 5159526: Method and apparatus for determining orientation of polarized capacitors
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Lead extends around at least a portion of capacitor)

Patent 5159527: Dielectric liquids
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Plural dielectrics : Impregnated : With specific impregnant : Including halogen (e.g., chlorinated) :)

Patent 5159528: Modular personal computer
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)

Patent 5159529: Composite liquid cooled plate for electronic equipment
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : Liquid : And liquid)

Patent 5159530: Electronic circuit module with power feed spring assembly
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : For module : Electrically insulating thermally conductive)

Patent 5159531: Multiple radial finger contact cooling device
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : With cooling fins)

Patent 5159532: Electronic control unit with multiple hybrid circuit assemblies integrated on a single common ceramic carrier
(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 : Fan or blower)

Patent 5159533: Portable note-book computer expansion device with disk drives
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Input/output device support : Disk drive support)

Patent 5159534: Electronic/electromechanical packaging arrangement for facility management system
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)

Patent 5159535: Method and apparatus for mounting a flexible film semiconductor chip carrier on a circuitized substrate
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Flexible board : With particular conductive material or coating : Welded connection)

Patent 5159536: Panel board
(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 5159537: Mounting structure for electronic apparatus
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Shielding : Tube mounting)

Patent 5159538: Fuse ejector guard and terminal shield
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : Fuse pullout device : Plural)

Patent 5159539: High frequency DC/AC power converting 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 5159540: High-efficiency saturable core voltage converter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Double-ended (i.e., push-pull), self-oscillating type : With automatic control of the magnitude of output voltage or current)

Patent 5159541: Asymmetrical pulse width modulated resonant DC/DC converter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Double-ended (i.e., push-pull), separately-driven type : With automatic control of the magnitude of output voltage or current : Utilizing pulse-width modulation : Utilizing pulse-width modulation)

Patent 5159542: Selectable hysteresis controller for pulse width modulated inverter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With means to introduce or eliminate frequency components : In inverter systems : By pulse modulation technique (e.g., PWM, PPM, etc.) : With automatic control of the magnitude of output voltage or current)

Patent 5159543: Interface circuit including DC/DC converter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With voltage multiplication means (i.e., V out > V in) : Including semiconductor means : Thyristor inverter)

Patent 5159544: High voltage power supply control system
(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 : Saturable reactor (e.g., magnetic amplifier))

Patent 5159545: Universal adapter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Encased in plug housing : Adapted for use with alternators)

Patent 5159546: Device and method for controlling selection in a user interface employing a display
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Sequential or selective : Operator interface (e.g., display with control) : Time responsive (duration))

Patent 5159547: Self-monitoring tuner for feedback controller
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Specific criteria of system performance : Gain (e.g., tuning) : Economic (e.g., cost))

Patent 5159548: Apparatus and method for priority processing of financial documents using video image capture
(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) : Including funds transfer or credit transaction : With paper check handling : Including Automatic Teller Machine (i.e., ATM))

Patent 5159549: Multiple player game data processing system with wager accounting
(AMUSEMENT DEVICES: GAMES : INCLUDING MEANS FOR PROCESSING ELECTRONIC DATA (E.G., COMPUTER/VIDEO GAME, ETC.) : Credit/debit monitoring or manipulation (e.g., game entry, betting, prize level, etc.) : Pool amount (e.g., jackpot, etc.) : Plural lots (e.g., keno, etc.))

Patent 5159550: Artifact suppression system for magnetic resonnance imaging apparatus
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Magnetic resonance imaging or spectroscopy : Disposable or sterilizable eye contacting structure)

Patent 5159551: Prism architecture for CT scanner image reconstruction
(IMAGE ANALYSIS : APPLICATIONS : Biomedical applications : Tomography (e.g., CAT scanner) : With a prism)

Patent 5159552: Method for checking the correct and consistent use of units or chemical formulae in a text processing system
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : LINGUISTICS :)

Patent 5159553: Steering control apparatus
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Steering control : Artificial intelligence (e.g., fuzzy logic))

Patent 5159554: Electronic controlled fluid suspension 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 5159555: Control apparatus for support unit of vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Suspension control : Artificial intelligence (e.g., fuzzy logic) : Inner/outer loop)

Patent 5159556: Land navigation system displaying the position of a vehicle in real time
(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 5159557: Distance detecting apparatus and method for a vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : RELATIVE LOCATION : Space orbits or paths)

Patent 5159558: Part program execution method for converting a part program into numerical control data
(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 : Prompting technique : Tool/workpiece interference prevention)

Patent 5159559: Method of automatically determining the tool path in a plane zone machining operation
(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 : Prompting technique)

Patent 5159560: Automated merchandise dispensing and retrieval system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Article handling : Article storing, retrieval, or arrangement (e.g., warehousing, automated library) : Having an identification code : Sintering, soldering, or bonding)

Patent 5159561: Zero-phase sequence current detector
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Voltage or current : Battery monitoring)

Patent 5159562: Optimization of a plurality of multiple-fuel fired boilers using iterated linear programming
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Electrical power generation or distribution system : Turbine or generator control : Cogenerative system : Irrigation)

Patent 5159563: Crack detection method for operating shaft
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Mechanical measurement system : Flaw or defect detection : Using radiant energy)

Patent 5159564: Thermal memory cell and thermal system evaluation
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Temperature measuring system : Thermal related property : Infrared)

Patent 5159565: Method for the determination of fir filter coefficients in equalizers
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Transversal : Tone detection)

Patent 5159566: Method and apparatus for performing the square root function using a rectangular aspect ratio multiplier
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Evaluation of root : Overflow or underflow)

Patent 5159567: Programmable serial multiplier
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiplication : Binary : Prediction)

Patent 5159568: High speed parallel multiplier circuit
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiplication : Binary : Sum of cross products :)

Patent 5159569: Formation evaluation from thermal properties
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Earth science : Well logging or borehole study : Formation characteristic : Fluid flow investigation : Hydrocarbon prospecting :)

Patent 5159570: Four memory state EEPROM
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Multiple values (e.g., analog) : Overlays)

Patent 5159571: Semiconductor memory with a circuit for testing characteristics of flip-flops including selectively applied power supply voltages
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)

Patent 5159572: DRAM architecture having distributed address decoding and timing control
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Particular decoder or driver circuit : Alternate addressing (e.g., even/odd))

Patent 5159573: Apparatus for controlling outputs of read data in a semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Transition detection : Magnetic)

Patent 5159574: Address transition detection circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Transition detection : Magnetic)

Patent 5159575: Single stage demodulator with reference signal phase dither
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : By fiber or waveguide interferometer (e.g., Sagnac effect) : Having null feedback loop : Including an alternating reference path)

Patent 5159576: Automatic sensor identification for ultrasonic proximity switches
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : TESTING, MONITORING, OR CALIBRATING : With memory means)

Patent 5159577: Technique for reducing whirling of a drill string
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Well logging : Signal processing)

Patent 5159578: Apparatus for rotating a transducer assembly of a borehole logging tool in a deviated borehole
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Well logging : Received signal cycle discrimination : Frequency dependent determination)

Patent 5159579: Apparatus for encoding fishfinder image information and transmission method
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Distance or direction finding : With indicator : Luminous array : Frequency)

Patent 5159580: Acoustic transducer for sending and receiving acoustic communication signals
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : UNDERWATER SYSTEM : Analog speech communication : Addition or subtraction)

Patent 5159581: Medicine reminder and dispenser
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : COMBINED WITH DISPARATE DEVICE : Electrical device)

Patent 5159582: Electromechanical alarm clock
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : CHRONOLOGICAL : With simultaneous time indicating means : Alarm type : Having mechanically actuated electrical switch)

Patent 5159583: Decorative clock device
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : DISPLAYS OR DISPLAY DEVICE DETAILS : For drum or plate dial type)

Patent 5159584: Bias-Magnetic field generating system of photo-magnetic recording device
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : Magnetic field generation : Magnetic field transducer assembly : Changing size of magnetic domain)

Patent 5159585: Multi-disk player system incorporating disk search and disk selection functions
(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 control signal processing : Plural storage medium elements : Correction of error)

Patent 5159586: Device for processing optical data
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Of track on single storage medium)

Patent 5159587: Separation type optical pick-up device
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Optical head servo system structure : Scanning turntable)

Patent 5159588: Optical pick-up
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Optical head servo system structure : Lens or mirror floats, (e.g., magnetic field support or lens/mirror can freely float and pivot about its own axis, etc.) : Lens or mirror pivots off center (e.g., on a shaft, etc.))

Patent 5159589: Optical recording and/or reproducing apparatus
(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 5159590: Multi-slot call relocation control method and system
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Channel reservation scheme)

Patent 5159591: Packet communication method, packet communication device and packet switcher
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Message transmitted using fixed length packets (e.g., ATM cells) : Distributed switching : Having a separate signaling network)

Patent 5159592: Network address management for a wired network supporting wireless communication to a plurality of mobile users
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Contiguous regions interconnected by a local area network : Combining or distributing information via time channels)

Patent 5159593: Channel acquistion and handoff method and apparatus for a TDMA communication system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Hand-off control : Based upon a particular signal quality measurement : Synchronization)

Patent 5159594: Transparent communication of control information through a switching network
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Having a plurality of nodes performing distributed switching : Employing logical addressing for routing (e.g., VP or VC) : Bridge between bus systems)

Patent 5159595: Ring transmission system
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative station : In a ring or loop network : Using a secondary ring or loop : Loopback of signals on the secondary ring or loop :)

Patent 5159596: Mobile communication system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Combining or distributing information via time channels)

Patent 5159597: Generic error recovery
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : DATA PROCESSING SYSTEM ERROR OR FAULT HANDLING : Reliability and availability : Fault recovery :)

Patent 5159598: Buffer integrated circuit providing testing interface
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Error mapping or logging)

Patent 5159599: High speed testing for programmable logic devices
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Programmable logic array (PLA) testing : Special test pattern (e.g., checkerboard, walking ones))

Patent 5159600: Arrangement for generating an optimal set of verification test cases
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Including test pattern generator : Clock or synchronization)

Patent 5159601: Method for producing a tunable erbium fiber laser
(COHERENT LIGHT GENERATORS : OPTICAL FIBER LASER :)

Patent 5159602: Method of and apparatus for providing a high powered ultraviolet laser beam with high repetition frequency
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Error mapping or logging)

Patent 5159603: Quantum well, beam deflecting surface emitting lasers
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular confinement layer :)

Patent 5159604: Antiguided semiconductor laser array with edge reflectors
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Monolithic integrated : Laser array : Multiple wavelength emissive :)

Patent 5159605: Semiconductor-laser-pumped, solid-state laser
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Pumping with optical or radiant energy : Semiconductor : Electron beam)

Patent 5159607: RF signal synthesis
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM :)

Patent 5159608: Method and apparatus for using orthogonal coding in a communication system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM :)

Patent 5159609: Data receiving device with delayed equalization and retroactive time-pulse recovery
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Adaptive : Matched-filter-type receiver)

Patent 5159610: Trellis precoding for modulation systems
(PULSE OR DIGITAL COMMUNICATIONS : MULTILEVEL : Partial response : Phase shift keying)

Patent 5159611: Variable rate coder
(PULSE OR DIGITAL COMMUNICATIONS : PULSE CODE MODULATION : Noise or distortion reduction : Single bit (delta))

Patent 5159612: Pulse code modulation system
(PULSE OR DIGITAL COMMUNICATIONS : PULSE CODE MODULATION : Noise or distortion reduction : Single bit (delta))

Patent 5159613: Side-band generator
(PULSE OR DIGITAL COMMUNICATIONS : TRANSMITTERS : Amplitude modulation : Single or vestigial sideband or suppressed carrier : Antinoise or distortion)

Patent 5159614: Production of an address for effective use of a memory in a sound processing device
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : APPLICATIONS : Including memory : Temperature)

Patent 5159615: Digital frequency detection circuit
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : SYSTEMS : Particular output circuit : Multiplication or division by a fraction)

Patent 5159616: CMOS shift register with complementary refresh pass gates and buffer
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : SHIFT REGISTER : Particular transfer means : Phase clocking or synchronizing : Field-effect transistor :)

Patent 5159617: Explosive detection method and apparatus using selective gamma ray resonance absorption
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Absorption : Inspection of closed container : With standardization)

Patent 5159618: X-ray tube enclosure with resistive coating
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE : Electron tube : With potential stress distribution : With specific bearing means)

Patent 5159619: High performance metal x-ray tube target having a reactive barrier layer
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE : Target : With cooling means)

Patent 5159620: Variable pitch propeller apparatus
(FLUID REACTION SURFACES (I.E., IMPELLERS) : HAVING POSITIVE MEANS FOR IMPELLER ADJUSTMENT : Power or manual actuator on non-rotatable part : Reciprocating sleeve or collar on or rod in impeller shaft : Pin-slot or cam-slot connection to working member : Plural blade units)

Patent 5159621: X-ray transmitting window and method of mounting the same
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : BEAM CONTROL : Window : Contoured)

Patent 5159622: X-ray fluoroscopic imaging apparatus with extended imaging set up range
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE SUPPORT : Including object support or positioning : With movable source : With film clamping)

Patent 5159623: Medical apparatus with positioning system for a radiation transmitter
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE SUPPORT : Including movable source : With movable source)

Patent 5159624: Communication system for transmitting to a portable receiver data indicative of received image or voice signals
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Message presentation : Tone code (i.e., frequency code))

Patent 5159625: Method of selecting the cellular system with which a cellular mobile radiotelephone communicates
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Roaming : Ground station control)

Patent 5159626: Multi-line telephone switching system
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Message management : Caller identification received at substation)

Patent 5159627: Adaptive ringer for telephone terminal
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Signal reception at substation : Incoming call alerting : In handset)

Patent 5159628: Hook-off detection device for a telephone handset
(TELEPHONIC COMMUNICATIONS : TERMINAL : Switch or switch actuator structure : Receiver or handset position responsive (e.g., hookswitch) : Automatic adjustment)

Patent 5159629: Data protection by detection of intrusion into electronic assemblies
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : DATA PROCESSING PROTECTION USING CRYPTOGRAPHY : Tamper resistant : Biometric acquisition)

Patent 5159630: Facsimile message encryption system
(CRYPTOGRAPHY : FACSIMILE CRYPTOGRAPHY : Video electric signal modification (e.g., scrambling))

Patent 5159631: Audio scrambling system using in-band carrier
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal modification (e.g., scrambling) : Modifying accompanying audio signal : Including frequency modification of audio signal or frequency shifting of audio carrier :)

Patent 5159632: Method and apparatus for public key exchange in a cryptographic system
(CRYPTOGRAPHY : PARTICULAR ALGORITHMIC FUNCTION ENCODING : Having particular key generator)

Patent 5159633: Multimedia network system
(CRYPTOGRAPHY : PARTICULAR ALGORITHMIC FUNCTION ENCODING : Public key : Plural generators)

Patent 5159634: Cryptosystem for cellular telephony
(CRYPTOGRAPHY : COMMUNICATION SYSTEM USING CRYPTOGRAPHY : Data stream/substitution enciphering : Having plural band pass filters)

Patent 5159635: System for encoding data in machine readable graphic form
(CRYPTOGRAPHY : ELECTRIC SIGNAL MODIFICATION : Having production of printed copy (e.g., printer, typewriter) : By perforated record)

Patent 5159636: Audio signal expander apparatus
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : AUDIO SIGNAL BANDWIDTH COMPRESSION OR EXPANSION : Application)

Patent 5159637: Speech word recognizing apparatus using information indicative of the relative significance of speech features
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Recognition : Specialized equations or comparisons : Distance : Cross-correlation)

Patent 5159638: Speech detector with improved line-fault immunity
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : For storage or transmission : Time : Zero crossing : Silence decision)

Patent 5159639: Assistive listening device
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : HEARING AIDS, ELECTRICAL : Specified casing or housing : Spectacle : Helical spring)

Patent 5159640: Apparatus for carrying out hypnotherapies
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ONE-WAY AUDIO SIGNAL PROGRAM DISTRIBUTION : Counterwave generation control path)

Patent 5159641: Microphone circuit control mechanism for breathing apparatus
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Housed microphone : Mounting or support : In headgear : Plural or variable characteristics)

Patent 5159642: Particle image analyzing apparatus
(IMAGE ANALYSIS : APPLICATIONS : Biomedical applications : Cell analysis, classification, or counting : Blood cells :)

Patent 5159643: Method and apparatus for measuring pattern dimension
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Measuring image properties (e.g., length, width, or area) : Using a mask)

Patent 5159644: Character recognition method using statistically weighted correlation
(IMAGE ANALYSIS : LEARNING SYSTEMS : Trainable classifiers or pattern recognizers (e.g., adaline, perceptron) : Alphanumerics : Alignment, registration, or position determination)

Patent 5159645: Method for recognizing concavities in an image subject to character recognition
(IMAGE ANALYSIS : PATTERN RECOGNITION : Feature extraction : Local or regional features : Directional codes and vectors (e.g., Freeman chains, compasslike codes) : Extracted from alphanumeric characters :)

Patent 5159646: Method and system for verifying a seal against a stored image
(IMAGE ANALYSIS : PATTERN RECOGNITION : Classification : Cluster analysis : Resistor matrix)

Patent 5159647: Fast and efficient search method for graphical data
(IMAGE ANALYSIS : APPLICATIONS : Target tracking or detecting : ZIP code)

Patent 5159648: Image pickup apparatus having a mask for defining the extent of the image to be reproduced
(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 5159649: Optical switching connector
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Switch (i.e., switching from one terminal to another, not modulation) : Multiple pole multiple throw : Double pole multiple throw :)

Patent 5159650: Optical disk apparatus for recording and reproducing ultra-high density signals
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Input/output coupler : Grating : Spherical)

Patent 5159651: Electro-optical connector assembly
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Structure surrounding optical fiber-to-fiber connection : Multi-part (e.g., two pieces screwed together or bayonet latched) : Directional coupler)

Patent 5159652: Quick-action connector for optical fibers
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Structure surrounding optical fiber-to-fiber connection : Multi-part (e.g., two pieces screwed together or bayonet latched) : Directional coupler)

Patent 5159653: Optical fiber splice
(OPTICAL WAVEGUIDES : WITH SPLICE (PERMANENT CONNECTION) : Optical fiber to a nonfiber optical device connector)

Patent 5159654: Multi-channel optical fiber connector
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Structure surrounding optical fiber-to-fiber connection : Multi-part (e.g., two pieces screwed together or bayonet latched) : With additional structure at or immediately surrounding each optical fiber end face : Plural fiber-to-fiber connections :)

Patent 5159655: Optical fiber crimp
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Optical fiber/optical fiber cable termination structure : At or immediately surrounding an optical fiber end face : Fiber end held in ferrule : Compressively fixed (chuck, collet, crimp, set screw, etc.) : Tube-type holding structure)

Patent 5159656: Optical fiber scanning/imaging/printing system
(OPTICAL WAVEGUIDES : OPTICAL FIBER BUNDLE : Imaging (i.e., with coherent fiber structure and includes shaping, enhancing, and correcting) : With strength member)

Patent 5159657: Method and apparatus for controlling single or polyphase a.c. power controllers
(ELECTRICITY: MOTOR CONTROL SYSTEMS : CLOSED LOOP SPEED CONTROL SYSTEM FOR DC MOTOR WITH COMMUTATOR : Armature control by digital or combined analog and digital circuitry : By pulse width or duty cycle modification : With variable impedance)

Patent 5159658: Water heater tank arrangement, control device and shaft extension therefor and methods of making the same
(ELECTRIC RESISTANCE HEATING DEVICES : : Tank or container type liquid heater : Line connected tank : With internally positioned heating element)

Patent 5159659: Hot water tank construction, electrically operated heating element construction therefor and methods of making the same
(ELECTRIC RESISTANCE HEATING DEVICES : : Immersion heater details : With particular mounting means : Block forms flow path)

Patent 5159660: Universal process control using artificial neural networks
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : NEURAL NETWORK : Learning task : Control :)

Patent 5159661: Vertically interconnected parallel distributed processor
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : NEURAL NETWORK : Structure : Semiconductor neural network : Single-layer)

Patent 5159662: System and method for building a computer-based rete pattern matching network
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : KNOWLEDGE PROCESSING SYSTEM : Knowledge representation and reasoning technique : Ruled-based reasoning system : Having specific pattern matching or control technique :)

Patent 5159663: Imager and process
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension : Hidden line/surface determining : Z buffer (depth buffer) :)

Patent 5159664: Graphic display apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Merge or overlay : Based on image data)

Patent 5159665: Graphics accelerator system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Clipping : Based on image data : Non-rectangular array : Plural look up tables)

 

Back to EveryPatent.com