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Patent 5091704: Oscillator having resonator coil immersed in a liquid mixture to determine relative amounts of two liquids
(OSCILLATORS : WITH DEVICE RESPONSIVE TO EXTERNAL PHYSICAL CONDITION : Plural outputs of diverse wave form)
Patent 5091705: FM modulator
(MODULATORS : PHASE SHIFT KEYING MODULATOR OR QUADRATURE AMPLITUDE MODULATOR : Including discrete semiconductor device)
Patent 5091706: Phase locked loop with D.C. modulation and use in receiver
(MODULATORS : FREQUENCY MODULATOR : Including stabilization or alternatively distortion, noise or other interference prevention, reduction, or compensation : Automatic frequency stabilization or control : Phase or frequency locked loop :)
Patent 5091707: Coaxial cable shield filter
(WAVE TRANSMISSION LINES AND NETWORKS : TRANSMISSION LINE INDUCTIVE OR RADIATION INTERFERENCE REDUCTION SYSTEMS : Having branched circuits)
Patent 5091708: Transmission line transformer
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Balanced to unbalanced circuits : Having long line elements : Using waveguide)
Patent 5091709: Electrically short air line for network analyzer calibration
(WAVE TRANSMISSION LINES AND NETWORKS : LONG LINES : Waveguide type : With tuning)
Patent 5091710: Step linear actuator
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : With magneto-mechanical motive device (e.g., electromagnet with armature) : With permanent magnet : Induced current-type movable conductor (e.g., eddy current member))
Patent 5091711: Current transformer mounting mechanism for circuit breaker
(INDUCTOR DEVICES : WITH MOUNTING OR SUPPORTING MEANS (E.G., BASE) : Hollow conductor coil)
Patent 5091712: Thin film fusible element
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Fusible link or element structure or material : With nonconductive core (e.g., printed circuit) : Rotary selector means)
Patent 5091713: Inventory, cash, security, and maintenance control apparatus and method for a plurality of remote vending machines
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Including location of misplaced item)
Patent 5091714: System for the prevention of drowning accidents
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Human or animal : Water safety alarm : Specified device housing or attachment means)
Patent 5091715: Leak detection and alarm system
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Wetness : Bridge circuit)
Patent 5091716: Liquid line leak detection method and apparatus
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Leakage : Bridge circuit)
Patent 5091717: Apparatus for selecting mode of output in a computer system
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Window or viewpoint : Window memory structure : On-screen link or communication (e.g., cue))
Patent 5091718: Color-monochrome visual display device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DATA RESPONSIVE CRT DISPLAY CONTROL : Color display : Magnetic element array)
Patent 5091719: Helmet display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Operator body-mounted heads-up display (e.g., helmet mounted display) : Number of pixels per row or column conversion (i.e., resolution conversion))
Patent 5091720: Display system comprising a windowing mechanism
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Window or viewpoint : Virtual input device (e.g., virtual keyboard))
Patent 5091721: Acoustic display generator
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Rotation : Image based (addressing) : 2D manipulations)
Patent 5091722: Gray scale display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Gray scale capability (e.g., halftone) : Including transformer)
Patent 5091723: Display apparatus including partial rewritting means for moving image display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Waveform generation : Redundancy (e.g., plural control elements or electrodes))
Patent 5091724: Anti-theft device for a vehicular electric apparatus
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : With multidigit encoder : Printout or display)
Patent 5091725: Well logging tool and system having a switched mode power amplifier
(COMMUNICATIONS: ELECTRICAL : WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.) : With position or depth recording (e.g., line payout, equipment locator, etc.) : Control of drill bit or apparatus (e.g., steering, speed, etc.))
Patent 5091726: Vehicle anti-collision system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Vehicle speed control (e.g., cruise control) : Having inter-vehicle distance or speed control : By transmission shifting control)
Patent 5091727: Fully optimized automatic parking facility management system
(COMMUNICATIONS: ELECTRICAL : VEHICLE PARKING INDICATORS : Pivoted)
Patent 5091728: D/A and A/D converters utilizing weighted impedances
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Digital to analog conversion : Using weighted impedances : With rollover feature (i.e., antidoublestrike))
Patent 5091729: Adaptive threshold detector
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS RADAR SYSTEM : Receiver : Automatic target detection : Function of distance)
Patent 5091730: Pulse radar and components therefor
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : DETERMINING DIRECTION : Monopulse : With particular antenna or waveguide : With CRT display)
Patent 5091731: Electromagnetic radiation sensors
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5091732: Lightweight deployable antenna system
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Balanced doublet - centerfed (e.g., dipole) : Plural crossed (e.g., turnstile) : With main and subreflector (Casse-grain type))
Patent 5091733: Antenna pointing device
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With support for antenna, reflector or director : Adjustable or collapsible support : Pivoted or rotatable : Quarter-wave transformer)
Patent 5091734: Color image recording utilizing color correction in accordance with a predetermined order of recording of multiple color agents
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Controller : Of ejector : Creating plural tones : Full-line array)
Patent 5091735: Overhead projector sheet for printing by thermal transfer printing and method of printing the same
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : By electrochemical)
Patent 5091736: Thermal print head
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Specific resistance recording element type : Specific conductor means (e.g., electrode, conducting pattern, etc.) : Using pulse width modulation)
Patent 5091737: Recording device
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Array of ejectors : Full-line type : Movement)
Patent 5091738: Printing apparatus and method
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : With medium for receiving an image or feeding means therefor : Using recording head to selectively charge toner)
Patent 5091739: Real image mode finder
(PHOTOGRAPHY : WITH VIEWFINDER : With prism : Variable orientation of finder image)
Patent 5091740: Film winding device
(PHOTOGRAPHY : WITH FILM DRIVE : Mechanical detail : Including electric motor : Having film transport mechanism locked by perforation sensing pawl)
Patent 5091742: Camera having an auto focusing device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Plural focusing or rangefinding areas : Automatic area selection : Mirror type)
Patent 5091743: Image recording apparatus controllable to one of exposure condition and pressure developing condition
(PHOTOCOPYING : USING MICROCAPSULES : Condition responsive control :)
Patent 5091744: Illumination optical system
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)
Patent 5091745: Full range platemaker optical system
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Reflector between original and photo-sensitive paper : Reflector between original and photo-sensitive paper)
Patent 5091746: Image forming apparatus in which editing content for masking, trimming, and the like is set in advance by separate setting unit and image
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Job mode : Having memory : Warmup or standby mode)
Patent 5091747: Method and apparatus for converting a conventional copier into an electronic printer
(ELECTROPHOTOGRAPHY : COMBINED WITH DIVERSE SUBJECT MATTER : With diverse image formation : Electrostatic : Light (e.g., laser, LED, LCD) : On or adjacent to platen :)
Patent 5091748: Toner supplying mechanism
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Loading : Web or belt)
Patent 5091749: Toner content control apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : Setting of reference value : On or adjacent to platen)
Patent 5091750: Cartridge unit
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Seal : Developer seal : Toner cartridge : Optical detector)
Patent 5091751: Image forming apparatus utilizing intermediate transfer member
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Color : Copy medium carrier (e.g., drum or belt) : Having electrode)
Patent 5091752: Image heating apparatus using film driven by rotatable member
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Continuous web : Cleaning member)
Patent 5091753: Cleaning apparatus having a surface-conforming blade
(ELECTROPHOTOGRAPHY : CLEANING OF IMAGING SURFACE : Plural diverse : Having treatment of image)
Patent 5091754: Image forming apparatus comprising lateral movement means
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Feeding to transfer position : In registration with image : Manual feed)
Patent 5091755: Original document feeder for producing double sided copies using two exposure stations
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Original : Automatic document feeder : Copying both sides of original : Coordinated with sheet movement)
Patent 5091756: Superlattice structure
(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 : Incoherent light emitter :)
Patent 5091757: Semiconductor light emitting array with particular surfaces
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : Plural light emitting devices (e.g., matrix, 7-segment array) : With electrical isolation means in integrated circuit structure : With heterojunction)
Patent 5091758: Semiconductor light-emitting devices
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : SPECIFIED WIDE BAND GAP (1.5EV) SEMICONDUCTOR MATERIAL OTHER THAN GAASP OR GAALAS : II-VI compound : In array having structure for use as imager or display, or with transparent electrode)
Patent 5091759: Heterostructure field effect transistor
(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 5091760: Semiconductor device
(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 : Combined with bipolar transistor : For operation as bipolar or punchthrough element)
Patent 5091761: Semiconductor device having an arrangement of IGFETs and capacitors stacked thereover
(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) : Stacked capacitor : With means to insulate adjacent storage nodes (e.g., channel stops or field oxide))
Patent 5091762: Semiconductor memory device with a 3-dimensional structure
(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) : Field effect device in non-single crystal, or recrystallized, Semiconductor material : In combination with capacitor element (e.g., DRAM) : Recrystallized semiconductor material)
Patent 5091763: Self-aligned overlap MOSFET and method of fabrication
(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 5091764: Semiconductor device having a transparent electrode and amorphous semiconductor layers
(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 : Responsive to nonelectrical external signals (e.g., light) : Amorphous semiconductor is alloy or contains material to change band gap (e.g., Si x Ge 1-x , SiN y ) : High temperature (i.e., >30o Kelvin))
Patent 5091765: Photoconductive cell with zinc oxide tetrapod crystals
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Photoconductive (e.g., light sensitive) : Filament or wire resistance elements)
Patent 5091766: Thyristor with first and second independent control electrodes
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Combined with field effect transistor : Having controllable emitter shunt : Having gate turn off (GTO) feature : Enhancement mode (e.g., so-called SITs))
Patent 5091767: Article comprising a lattice-mismatched semiconductor heterostructure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : With lattice constant mismatch (e.g., with buffer layer to accommodate mismatch) : Having narrow energy band gap (<<1eV) layer (e.g., PbSnTe, HgCdTe, etc.))
Patent 5091768: Semiconductor device having a funnel shaped inter-level connection
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Layered : Multiple metal levels on semiconductor, separated by insulating layer (e.g., multiple level metallization for integrated circuit) : Silicide of refractory or platinum group metal)
Patent 5091769: Configuration for testing and burn-in of integrated circuit chips
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Housing or package filled with solid or liquid electrically insulating material : Stacked arrangement)
Patent 5091770: Semiconductor device having a ceramic package
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Insulating material : Multiple contact layers separated from each other by insulator means and forming part of a package or housing (e.g., plural ceramic layer package))
Patent 5091771: Compact package for electronic module
(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 5091772: Semiconductor device and package
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With contact or lead : With particular lead geometry : Combined with channel stop region in semiconductor)
Patent 5091773: Process and device for image display with automatic defect correction by feedback
(TELEVISION : VIDEO DISPLAY : Cathode-ray tube : With distortion, alignment or focus : Color TV)
Patent 5091774: Method and apparatus for providing sync on R-G-B video signals
(TELEVISION : SYNCHRONIZATION : Reprocessing : Specified color : Dot sequential)
Patent 5091776: Apparatus and method for enhancing the quality of a video signal produced by electronic shearography
(TELEVISION : SPECIAL APPLICATIONS : Stereoscopic display device)
Patent 5091777: Document monitor
(TELEVISION : SPECIAL APPLICATIONS : Stereoscopic display device)
Patent 5091778: Imaging lidar systems and K-meters employing tunable and fixed frequency laser transmitters
(TELEVISION : BACK SCATTER REDUCTION : False color)
Patent 5091779: Automatic light adjustment means for an endoscope
(TELEVISION : SPECIAL APPLICATIONS : With endoscope : Illumination : Controlled by video signal : With alternating polarization)
Patent 5091780: A trainable security system emthod for the same
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Intrusion detection : Traffic monitoring)
Patent 5091781: Camera moving apparatus
(TELEVISION : OBJECT TRACKING : Infrared)
Patent 5091782: Apparatus and method for adaptively compressing successive blocks of digital video
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Data rate reduction : Involving hybrid transform and difference coding : Subband encoding (e.g., low horizontal/low vertical frequency, low horizontal/high vertical frequency))
Patent 5091783: Still more feature for improved definition television digital processing units, systems, and methods
(TELEVISION : PLURAL STILL IMAGES OVER CONVENTIONAL CHANNEL : Color TV)
Patent 5091784: Matrix type image display apparatus using non-interlace scanning system
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Including insertion of characters or graphics (e.g., titles) : Including hue detection (e.g., chroma key))
Patent 5091785: Picture-in-picture circuitry using field rate synchronization
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : For display of additional information : Simultaneously and on same screen (e.g., multiscreen) : Picture in picture : Memory : Different mode during vertical blanking)
Patent 5091786: Multi-screen feature for improved definition television digital processing units, systems, and methods
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Multiple distinct images (e.g., splitscreen) : Including hue detection (e.g., chroma key))
Patent 5091787: Memory cartridge-connectable electronic device such as electronic still video camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : With details of static memory for output image (e.g., for a still camera) : Detachable : Details of communication between memory and camera :)
Patent 5091788: Crosstalk cancelling circuit for removing crosstalk component from reproduced signal
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Recorder or reproducer fault condition compensation : Crosstalk : Different phase between adjacent lines or fields of color television signal :)
Patent 5091789: Multicolor image forming apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Image reproduction system : Composite image)
Patent 5091790: Multipurpose computer accessory for facilitating facsimile communication
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Coding for digital facsimile equipment (e.g., Group 3 or 4))
Patent 5091791: Portable video-photo machine
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile video : Stylus type)
Patent 5091792: Liquid crystal display having reduced ITO shading material and method of manufacturing same
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Filter : Opaque mask or black mask : Conductive mask : With particular insulating layer)
Patent 5091793: Optical head
(OPTICAL: SYSTEMS AND ELEMENTS : PRISM (INCLUDING MOUNT) : With support)
Patent 5091794: Twisted nematic liquid crystal display device
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL : Within nematic phase : Twisted (or chiral) nematic or supertwisted nematic : Having particular birefringence or retardation : With detail of terminals to external circuit)
Patent 5091795: Optical low-pass filter without using polarizers
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM :)
Patent 5091796: Optical communication system having an improved protection line switching mechanism
(OPTICAL COMMUNICATIONS : FAULT RECOVERY : Bypass inoperative element :)
Patent 5091797: Method and apparatus for modulation current regulation for laser diodes
(OPTICAL COMMUNICATIONS : TRANSMITTER : Including compensation : Including feedback : For power control : Filter)
Patent 5091798: Diffraction grating for optical scanning
(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 5091799: Buried heterostructure laser modulator
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Modulation of polarized light via modulating input signal : With particular electrode structure or arrangement, or medium mounting structure or arrangement : Liquid medium)
Patent 5091800: Cover layer for optical ion sensors
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Beam combination or separation)
Patent 5091801: Method and apparatus for adjusting the focal length of a optical system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Fluid : Having less than four components)
Patent 5091802: Zoom lens barrel
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : With macro-type focusing)
Patent 5091803: Magnifying attachment for flashlight with dark field illumination
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : With clamp or grip : Monocular loupe type)
Patent 5091804: Foldable outside rear-view mirror for vehicles
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Retractable vehicle mirror : Plural reflecting surfaces)
Patent 5091805: Apparatus and method for recording and/or reproducing a digital signal
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data verification : With incremental movement between record and head)
Patent 5091806: Rotating magnetic recording medium recording/playback apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Specifics of the amplifier : Between heads in alternate engagement with medium)
Patent 5091807: Recorder system with demand actuation
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Recording amplifier)
Patent 5091808: Two-motor servo mechanism system for a magnetic disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track changing : For rotary carrier (e.g., disc) : Coarse and fine head drive motors : Having head deflection drive (e.g., piezoelectric bimorph))
Patent 5091809: Disc drive with small air gap between back iron and spindle hub
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Rotational drive detail : Motorized)
Patent 5091810: Floating type magnetic head having head core affixed to outside surface of slider
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Head attachment to slider : On/in side of slider : With pivotal holder)
Patent 5091811: Read head mounting structure for magnetic card reader
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record)
Patent 5091812: Stabilizing apparatus for recording and/or reproducing apparatus of flexible rotary recording medium
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Pressure element : Disc record : Element in tape container)
Patent 5091813: Tape cartridge with T-shaped braking lever
(WINDING, TENSIONING, OR GUIDING : UNWINDING AND REWINDING A MACHINE CONVERTIBLE INFORMATION CARRIER (E.G., MAGNETIC TAPE OR PHOTOGRAPHIC FILM) : Cartridge system (i.e., cartridge work station or cartridge) : With insertion responsive component : Releasable brake : Photoelectric controller)
Patent 5091814: Disk cartridge having discontinuous hub-position determining rib
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)
Patent 5091815: High packing density disk cartridge with write protect mechanism
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)
Patent 5091816: Procedure and device for overload and short-circuit protection of output drivers
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Voltage regulator protective circuits : Shunt connected capacitors)
Patent 5091817: Autonomous active clamp 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 5091818: Overvoltage protecting 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 5091819: Gas-electronic switch (pseudospark switch)
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Vacuum or gas filled space discharge : In communication systems)
Patent 5091820: Ceramic piezoelectric element with electrodes formed by reduction
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Significant electrode feature : Non-self-supporting electrodes : Rotary plates)
Patent 5091821: Protective cover for electrical assembly unit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means)
Patent 5091822: Radial type of parallel system bus structure with printed, twisted conductor lines
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : Air : With air circulating means : Fan or blower : With stabilizer or modifying substance)
Patent 5091823: Inverter device
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : Air : With air circulating means : Fan or blower : With heat sink or cooling fins :)
Patent 5091824: Hold down interconnection stick
(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 : Plural : Cooling plate or bar)
Patent 5091825: Orthogonal bonding method and equipment
(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 specific lead configuration : Having particular material)
Patent 5091826: Printed wiring board connector
(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 specific lead configuration : Flexible connecting lead : Circuit board mounted)
Patent 5091827: Electromagnetically compatible vertical enclosure for the operating system of transmission equipment, in particular for transmission by
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Shielding : EMI : Spacer details)
Patent 5091828: Light bar
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Visual identification light : Emergency : Lever or link actuated)
Patent 5091829: Headlamp for a motor vehicle
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Including headlamp beam measuring or indicating (e.g., headlamp beam leveling, aiming, inclination detecting) : Including indicia mark (e.g., calibrated rod) : Including indicia mark (e.g., calibrated rod))
Patent 5091830: Projection type vehicular headlamp
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Projection-type headlamp : Including mask or screen : Lever or link actuated)
Patent 5091831: Vehicle foil laminated lamp mount
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Automobile : Interior : Ceiling : Through link and lever transmission means)
Patent 5091832: Light apparatus for use with a compact computer video screen
(ILLUMINATION : WITH IMPLEMENT OR HAND HELD HOLDER THEREFOR : Shoulder suspension or torso encircling (e.g., vest, neck-sling))
Patent 5091833: Illuminated face elements and kit for making an illuminated face on pumpkins and the like
(ILLUMINATION : SELF POWERED LAMP : With support : With or comprising mounting means : Tube structure)
Patent 5091834: Universal lighting fixture replaceable with diversified lamps
(ILLUMINATION : QUICK DISCONNECT-TYPE LIGHT UNIT : Particular engagement : Track lighting : At end opposite bulb)
Patent 5091835: High intensity lamp with improved air flow ventilation
(ILLUMINATION : LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER : With ventilating, cooling or heat insulating means : Including nonparallel modifying surfaces)
Patent 5091836: Electric light globe hub
(ILLUMINATION : SUPPORTS : Line-wire or cable-attaching support : Arm or bracket)
Patent 5091837: Regulated power supply with electrically isolated control and variable impedance means in series with on-off control means
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : By saturable reactor converter)
Patent 5091839: Method and apparatus for supplying voltage to a three-phase voltage system having a load-carrying neutral conductor with a pulse width
(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 5091840: Power conversion scheme employing shorting means to control current magnitude
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For inverter : With thyristor control means in the line circuit : Saturable reactor (e.g., magnetic amplifier))
Patent 5091841: Procedure for the control of frequency converter and rectifier/inverter bridges, and a modulator unit designed for implementing the procedure
(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 5091842: Device for removing D.C. components from output of multi-phase inverter
(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 5091843: Nonlinear multivariable control system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Having model : Comparison with model (e.g., model reference) : Clock-calendar (e.g., time of day))
Patent 5091844: Preemptive constraint control
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Specific criteria of system performance : Constraint or limit (e.g., max/min) : Clock-calendar (e.g., time of day))
Patent 5091845: System for controlling the storage of information in a cache memory
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : DATA PROCESSING SYSTEM ERROR OR FAULT HANDLING : Reliability and availability : Fault recovery :)
Patent 5091846: Cache providing caching/non-caching write-through and copyback modes for virtual addresses and including bus snooping to maintain coherency
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY : STORAGE ACCESSING AND CONTROL : Hierarchical memories : Caching : Shared cache : Cross-interrogating)
Patent 5091847: Fault tolerant interface station
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : DATA PROCESSING SYSTEM ERROR OR FAULT HANDLING : Reliability and availability : Fault recovery : By masking or reconfiguration :)
Patent 5091848: Vector processor for merging vector elements in ascending order merging operation or descending order merging operation
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: PROCESSING ARCHITECTURES AND INSTRUCTION PROCESSING (E.G., PROCESSORS) : PROCESSING ARCHITECTURE : Vector processor : Vector processor operation : Sequential :)
Patent 5091849: Computer image production system utilizing first and second networks for separately transferring control information and digital image data
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHIC PROCESSING SYSTEM : Plural graphics processors : CRT having tracking capability)
Patent 5091850: System for fast selection of non-cacheable address ranges using programmed array logic
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY : ADDRESSING COMBINED WITH SPECIFIC MEMORY CONFIGURATION OR SYSTEM : Addressing cache memories :)
Patent 5091851: Fast multiple-word accesses from a multi-way set-associative cache memory
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY : STORAGE ACCESSING AND CONTROL : Hierarchical memories : Caching : Associative : Cross-interrogating)
Patent 5091852: System for optimizing query processing in a relational database
(DATA PROCESSING: DATABASE AND FILE MANAGEMENT OR DATA STRUCTURES : DATABASE OR FILE ACCESSING : Access augmentation or optimizing :)
Patent 5091853: Chained addressing mode pipelined processor which merges separately decoded parts of a multiple operation instruction
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: PROCESSING ARCHITECTURES AND INSTRUCTION PROCESSING (E.G., PROCESSORS) : INSTRUCTION DECODING (E.G., BY MICROINSTRUCTION, START ADDRESS GENERATOR, HARDWIRED) : Decoding by plural parallel decoders : Operation)
Patent 5091854: Control systems for vehicle engines coupled with automatic transmissions
(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 : Artificial intelligence (e.g., fuzzy logic))
Patent 5091855: Operation control system for automated guide vehicles
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Automatic route guidance vehicle : Railway vehicle speed control)
Patent 5091856: Control apparatus for automobiles
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : With data recording device)
Patent 5091857: Driving force 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 : Engine stop, fuel shutoff : Detection of O2 concentration)
Patent 5091858: Electronic control of engine fuel delivery
(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 : Specific memory or interfacing device : Detection of O2 concentration)
Patent 5091859: Control system for a printing plant
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Having identification controlled manufacturing operation)
Patent 5091860: Numerical control device including tapping pitch data group memory
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Supervisory control (e.g., plural tools or plural processors) : Laser)
Patent 5091861: System for automatic finishing of machine parts
(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 : Alignment of tool or workpiece (e.g., origin or path return) : Repeated machining passes)
Patent 5091862: Method and system for dimensional and weight measurements of articles of manufacture by computerized tomography
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Mechanical measurement system : Flaw or defect detection : Radiant energy (e.g., X-ray, infrared, laser) : Fluid flow investigation)
Patent 5091863: Automatic fluid sampling and flow measuring apparatus and method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Mechanical control system : Flow control (e.g., valve or pump control) : Dispensing management (e.g., spraying) : Movable (e.g., rotatable))
Patent 5091864: Systolic processor elements for a neural network
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : NEURAL NETWORK : Structure : Digital neural network : Parallel connection :)
Patent 5091865: Pattern reading apparatus having variable reading period
(EDUCATION AND DEMONSTRATION : COMMUNICATION AIDS FOR THE HANDICAPPED : Tactile reading aid (e.g., Braille, etc.) : Converting information to tactile output : Cosmetic or nail polish)
Patent 5091866: Information processing apparatus displaying multiple windows and distinguishing indicia
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : OPERATOR INTERFACE (E.G., GRAPHICAL USER INTERFACE) : On-screen workspace or object : Window or viewpoint : Window differentiation : Resizing (e.g., scaling))
Patent 5091867: Method and apparatus for generating display figures with three degrees of freedom
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHIC PROCESSING SYSTEM : Mechanical control (e.g., rotatable knob, slider))
Patent 5091868: Method and apparatus for forms generation
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT : Form : Form creation :)
Patent 5091869: Computer integrated floor plan system
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Dimensional determination : Inclinometer)
Patent 5091870: Apparatus for measuring the speed of transmission of digital characters
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY : STORAGE ACCESSING AND CONTROL : Virtual machine memory addressing)
Patent 5091871: Method of determining the mean wind speed with respect to the ground during the flight of an aircraft
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Aeronautical vehicle : Flight condition indicating system : Spacecraft or satellite)
Patent 5091872: Apparatus and method for performing spike analysis in a logic simulator
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : SIMULATING ELECTRONIC DEVICE OR ELECTRICAL SYSTEM : Circuit simulation : Well or reservoir)
Patent 5091873: Word processor with a liquid crystal display panel and a detachably attached lighting unit therefor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including display support : Fluid)
Patent 5091874: Encoder apparatus
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Determining number of like-valued leading or trailing bits : Normalization)
Patent 5091875: Fast fourier transform (FFT) addressing apparatus and method
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Transform : Fourier : Fast Fourier Transform (i.e., FFT) :)
Patent 5091876: Machine translation system
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : LINGUISTICS : Translation machine : Having particular Input/Output device :)
Patent 5091877: Data processing apparatus
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MULTICOMPUTER DATA TRANSFERRING : REMOTE DATA ACCESSING : Accessing another computer's memory)
Patent 5091878: Word processing apparatus
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT : Edit, composition, or storage control : Replacement of element : Equation or formula processing)
Patent 5091879: BiCMOS static memory with improved performance stability
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Semiconductive : Bioplar and FET : Biax)
Patent 5091880: Memory device
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Electrical modification or sensing of storage medium (e.g., capacitive, resistive, electrostatic charge) : Having photographic storage medium (e.g., variable density or area))
Patent 5091881: Multiple port memory including merged bipolar transistors
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Flip-flop (electrical) : Plural emitter or collector : Biax)
Patent 5091882: Nonvolatile semiconductor memory device and method of operating the same
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Program gate : Weak inversion injection :)
Patent 5091883: Semiconductor memory and microprocessor
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Having particular data buffer or latch : Four or more devices per bit)
Patent 5091884: Semiconductor memory device with improved address discriminating circuit for discriminating an address assigned defective memory cell replaced
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)
Patent 5091885: Dynamic type random-access memory having improved timing characteristics
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Precharge : Coincident A.C. signal with pulse)
Patent 5091886: Dual current data bus clamp circuit of semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Accelerating charge or discharge : Coincident A.C. signal with pulse)
Patent 5091887: Dynamic semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Noise suppression : Coincident A.C. signal with pulse)
Patent 5091888: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Reference signal (e.g., dummy cell) : Sensing circuitry (e.g., current mirror) :)
Patent 5091889: Semiconductor memory having an operation margin against a write recovery time
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Transition detection : Magnetic)
Patent 5091890: Method of extracting target range and Doppler information from a Doppler-spread signal
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Distance or direction finding : Receiver system)
Patent 5091891: Seismic pulse generation
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Underwater type : Exclusive-type transmitter : Air guns : Frequency)
Patent 5091892: Expandable sonar array structure
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Underwater type : Plural transducer array : Electrically driven underwater bells or sirens)
Patent 5091893: Ultrasonic array with a high density of electrical connections
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Underwater type : Plural transducer array : Electrically driven underwater bells or sirens)
Patent 5091894: Suspension device for acoustic base
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Underwater type : Transducer with support : Pressure compensating means)
Patent 5091895: Timing apparatus
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : CONTROLLED BY A DISPARATE DEVICE : Vehicle (e.g., aircraft, automobile) or vehicle part :)
Patent 5091896: Method and apparatus for magneto-optical recording using a demagnetization field and erasing using external magnetic field
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : Light beam generation : Magnetic field generating circuit)
Patent 5091897: Magneto-optical recording apparatus having means for delaying an input signal for preventing bit shift
(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 : By transferring magnetic domain between layers)
Patent 5091898: Playback/recording apparatus having a device for positively preventing entire cartridge from springing out of slot
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : PARTICULAR CABINET STRUCTURE FOR OPTICAL MEDIA : Capable of only accepting protected insertable single optical medium : Ejection mechanism : Having ejection arm : Having cam)
Patent 5091899: Time code recording or reproducing apparatus and time code converter
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : EDITING OF STORED INFORMATION : Particular acoustical structure (e.g., baffle))
Patent 5091900: Multi-layer optical media for an optical recording and reproducing system in which non-ablative data recording is provided in a manner
(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 5091901: Disc Cartridge with dual identification elements
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : OPTICAL STORAGE MEDIUM STRUCTURE : Disk cartridge : Disc cartridge case or jacket : Having disc identification (e.g., write protect hole or tab) : Reducing eccentricity)
Patent 5091902: Telecommunications transmission security arrangement
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative station : In a ring or loop network : Using a secondary ring or loop :)
Patent 5091903: Switching network and switching-network module for an ATM system
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Particular switching network arrangement : Multistage switch : Having a separate signaling network)
Patent 5091904: General signaling service unit of electronic switching system
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative switch or inoperative element of a switching system : Standby switch : Standby switch)
Patent 5091905: High-speed packet switching using a space division optical switch
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Queuing arrangement : Having input queuing only : Contention resolution for output)
Patent 5091906: Quasi-duplex radio system using bi-directional hole extension
(MULTIPLEX COMMUNICATIONS : DUPLEX : Communication over free space : Transmit/receive interaction control : Using summation of conferee signals)
Patent 5091907: Multiplexer and demultiplexer, particularly for information transmission networks with a synchronous hierarchy of the digital signals
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Synchronizing : Pulse stuffing or deletion : Combined communication of diverse information types)
Patent 5091908: Built-in self-test technique for read-only memories
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Memory testing : Performing arithmetic function on memory contents : Special test pattern (e.g., checkerboard, walking ones))
Patent 5091909: Method for writing/reading of data in magnetic disk subsystem
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Memory access : Dynamic data storage : Error checking code)
Patent 5091910: Information processing device
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Memory access : Code word parallel access : Tape)
Patent 5091911: Long wavelength NdYAG laser
(COHERENT LIGHT GENERATORS : LONG WAVELENGTH (E.G., FAR INFRARED) :)
Patent 5091912: Laser having two modes at different frequencies
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Producing plural wavelength output : Frequency multiplying (e.g., harmonic generator))
Patent 5091913: Quartz crystal tuning he-ne double frequency laser
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Producing plural wavelength output : Frequency multiplying (e.g., harmonic generator))
Patent 5091914: High-frequency discharge pumping laser device
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Gas : Discharge tube feature : Monolithic integrated)
Patent 5091915: Semiconductor laser excited solid laser device
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Pumping with optical or radiant energy : Semiconductor : Electron beam)
Patent 5091916: Distributed reflector laser having improved side mode suppression
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Distributed feedback : Having a ring configuration)
Patent 5091917: Method and apparatus for pulse sorting
(PULSE OR DIGITAL COMMUNICATIONS : TESTING : Modems (data sets))
Patent 5091918: Equalizers
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : With indicator)
Patent 5091919: Transmitter arrangement for digitally modulated signals
(PULSE OR DIGITAL COMMUNICATIONS : TRANSMITTERS : Antinoise or distortion (includes predistortion) : Power amplifier : Antinoise or distortion)
Patent 5091920: Threshold valve control system in a receiver circuit
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Automatic baseline or threshold adjustment : Modulation by absorption of signal, changing antenna dimension or changing antenna impedance)
Patent 5091921: Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Angle modulation : Frequency shift keying : Biphase (manchester code))
Patent 5091922: Charge transfer device type solid state image sensor having constant saturation level
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : CHARGE TRANSFER DEVICE (E.G., ANALOGUE SHIFT REGISTER, CCD, BUCKET BRIGADE DEVICE) : Compensating for or preventing signal charge deterioration : Multiplication or division by a fraction)
Patent 5091924: Apparatus for the transillumination of articles with a fan-shaped radiation beam
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Absorption : Inspection of closed container : With standardization)
Patent 5091925: X-ray diagnostics installation with spatial frequency filtering
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : ELECTRONIC CIRCUIT : With display or signaling : Televison : Thickness or density analysis)
Patent 5091926: Head activated fluoroscopic control
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : ELECTRONIC CIRCUIT : With switching means : Electron beam control)
Patent 5091927: X-ray tube
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE : Electron tube : With movable target : Temperature modification : With cooling fluid :)
Patent 5091928: Lead and lead oxide screens for use with x-ray films
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : PHOTOGRAPHIC DETECTOR SUPPORT : Sheet film cassette : With radiation modifying : With pivotal leaf motion)
Patent 5091929: Integrated x-ray tube and power supply
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE SUPPORT : Including movable source : With movable source)
Patent 5091930: Enhancement of a personal emergency response system
(TELEPHONIC COMMUNICATIONS : EMERGENCY OR ALARM COMMUNICATIONS (E.G., WATCHMAN'S CIRCUIT) : Responsive to sensed nonsystem condition : Listening-in or eavesdropping type)
Patent 5091931: Facsimile-to-speech system
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : To produce visual-graphic copy (e.g., facsimile) : Format conversion : Having acoustic link)
Patent 5091932: Circuit switching system
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : To produce visual-graphic copy (e.g., facsimile) : Having switching to other communication modes : Having acoustic link)
Patent 5091933: Multiple party telephone control system
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Conferencing : Subscriber control : Of specific equipment)
Patent 5091934: Tone modification system for telephone system with clock
(TELEPHONIC COMMUNICATIONS : CALL SIGNAL GENERATING (E.G., RINGING OR TONE GENERATOR) : Interference suppression)
Patent 5091935: Method and system for scrambling information signals
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal masking : Masking of synchronization signal :)
Patent 5091936: System for communicating television signals or a plurality of digital audio signals in a standard television line allocation
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal modification (e.g., scrambling) : Modifying accompanying audio signal : Including digital audio :)
Patent 5091937: CATV terminal unit
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal modification (e.g., scrambling) : Usage or charge determination : Including display of supplemental information :)
Patent 5091938: System and method for transmitting entertainment information to authorized ones of plural receivers
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal modification (e.g., scrambling) : Encrypted code control signal : Including frequency modification of audio signal or frequency shifting of audio carrier)
Patent 5091939: Method and apparatus for password protection of a computer
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : SYSTEM ACCESS CONTROL BASED ON USER IDENTIFICATION BY CRYPTOGRAPHY : Solely password entry (no record or token) : Message digest travels with message)
Patent 5091940: Data router with burst shuffling and deshuffling output buffers
(CRYPTOGRAPHY : COMMUNICATION SYSTEM USING CRYPTOGRAPHY : Time segment interchange : Block/data stream enciphering : Plural carrier frequencies)
Patent 5091941: Secure voice data transmission system
(CRYPTOGRAPHY : COMMUNICATION SYSTEM USING CRYPTOGRAPHY : Data stream/substitution enciphering : Key sequence signal combined with data signal : Plural carrier frequencies)
Patent 5091942: Authentication system for digital cellular communications
(CRYPTOGRAPHY : KEY MANAGEMENT : Having particular key generator : Nonlinear (e.g., pseudorandom) : By public key method)
Patent 5091943: FM stereo receiving device
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : BINAURAL AND STEREOPHONIC : Broadcast or multiplex stereo : FM final modulation : AM subcarrier : Switch-type detector or modulator : Having transmitter)
Patent 5091944: Apparatus for linear predictive coding and decoding of speech using residual wave form time-access compression
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : For storage or transmission : Linear prediction : Correlation function)
Patent 5091945: Source dependent channel coding with error protection
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : For storage or transmission : Linear prediction : Correlation function)
Patent 5091946: Communication system capable of improving a speech quality by effectively calculating excitation multipulses
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : For storage or transmission : Frequency : Specialized information : Pitch : Voiced or unvoiced :)
Patent 5091947: Speech recognition method and apparatus
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Recognition : Voice recognition : Clustering)
Patent 5091948: Speaker recognition with glottal pulse-shapes
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Recognition : Voice recognition : Endpoint detection : Cross-correlation)
Patent 5091949: Method and apparatus for the recognition of voice signal encoded as time encoded speech
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Recognition : Word recognition : Endpoint detection : Cross-correlation)
Patent 5091950: Arabic language translating device with pronunciation capability using language pronunciation rules
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Application : Translation : Specialized models)
Patent 5091951: Audio signal data processing system
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : SOUND EFFECTS : Reverberators : Stereo earphone)
Patent 5091952: Feedback suppression in digital signal processing hearing aids
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : HEARING AIDS, ELECTRICAL : Noise compensation circuit : Feedback suppression : Helical spring)
Patent 5091953: Repetitive phenomena cancellation arrangement with multiple sensors and actuators
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ACOUSTICAL NOISE OR SOUND CANCELLATION : Counterwave generation control path : Algorithm or formula (e.g., LMS, Filtered-X, etc.) : Device for manipulation)
Patent 5091954: Noise reducing receiver device
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : HEARING PROTECTORS, ELECTRICAL : Counterwave generation control path)
Patent 5091955: Voice coding/decoding system having selected coders and entropy coders
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : For storage or transmission : Quantization : Post-transmission)
Patent 5091956: Adaptive high pass filter having cut-off frequency controllable responsive to input signal and operating method therefor
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : INCLUDING FREQUENCY CONTROL : Feedforward circuitry for transducer compensation)
Patent 5091957: Wideband expander for stereo and SAP signals
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : INCLUDING AMPLITUDE OR VOLUME CONTROL : With amplitude compression/expansion : With amplitude control)
Patent 5091958: Wiring structure of loudspeaker
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Feedback)
Patent 5091959: Speaker system
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : By modifying fluid flow : Reflecting element)
Patent 5091960: High-speed image rendering method using look-ahead images
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension : Hidden line/surface determining :)
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