Patents 5687019 - 5687278

 

 

Patent 5687019: Thin film addressed electrostatic light valve
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : By changing physical characteristics (e.g., shape, size or contours) of an optical element : Shape or contour of light control surface altered : Amplitude modulation)

Patent 5687020: Image projector using acousto-optic tunable filter
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) : Acousto-optic : Acting on polychromatic light : Having multiple electrodes)

Patent 5687021: Method and device for combining optical signals
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Dielectric optical waveguide type)

Patent 5687022: Mid-wave infrared lens system with liquid optical element
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Lens, lens system or component : Infrared lens : Fault detection)

Patent 5687023: Keplerian zoom finder optical system
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Telescope : Variable magnification : Plural magnification in same viewing field)

Patent 5687024: Lenticular lens sheet
(OPTICAL: SYSTEMS AND ELEMENTS : PROJECTION SCREEN : Unitary sheet comprising plural refracting areas : Lenticular : Along scale or indicia)

Patent 5687025: Image display apparatus and image pickup apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Superimposing visual information on observer`s field of view (e.g., head-up arrangement, etc.) : With additional reflector (e.g., serial reflections, etc.) : Cylindrical lenslets)

Patent 5687026: Zoom lens capable of close range photography
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Other than first group moves for focusing (internal focus type) : Cylindrical lenslets)

Patent 5687027: Zoom lens for optical apparatus such as camera
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Two groups : + - Arrangement : Having crossed axes)

Patent 5687028: Zoom lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Two groups : + - Arrangement : Having crossed axes)

Patent 5687029: Lens barrel having collapsing and extending use grooves
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : Having cam device : Cam groove type : Auto focusing)

Patent 5687030: Biaxial actuator
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens movable in its plane : Hand held)

Patent 5687031: Three-dimensional image acquisition apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Plural lenses in common carrier selectively operable (e.g., turret type, etc.) : With third component biconvex)

Patent 5687032: Optical device inclination angle adjuster
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With third component biconvex)

Patent 5687033: Supporting mechanism for allowing an object to make a pseudo-translational motion
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With axial adjustment (e.g., adjustable focus, etc.) : Electromagnetic or piezoelectric drive : Having a biconvex single element component)

Patent 5687034: Mounting adapter for coupling an optical device to a night vision device
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Detachably attached (e.g., plate, barrel, etc.) : With axial adjustment (e.g., adjustable focus, etc.))

Patent 5687035: Rear-view mirror assembly having dual motor driven mirrors
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : Including adjacent plane and curved mirrors : Including an adjustable mirror)

Patent 5687036: Selection of optimum write current in a disc drive to minimize the occurrence of repeatable read errors
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data verification : With incremental movement between record and head)

Patent 5687037: Video tape recorder for long-play mode recording/reproducing
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Synchronizing moving-head moving-record recorders : Recording amplifier)

Patent 5687038: Servo method and device for controlling head position for a hard disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Rotary carrier : By tracking signal recorded on or immediately beneath surface : Distinct servo sector : From separate track)

Patent 5687039: Dual fixed-finger picker for data cartridges
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Plural tapes : Tape in container : Drum)

Patent 5687040: Compact cassette loading device with movable tape guide member
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Plural reels : Container mounting details : With pivotal holder : Dithering)

Patent 5687041: Cassette lid opening apparatus for top-loading camcorder
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Plural reels : Container mounting details : With pivotal holder : Dithering)

Patent 5687042: Slider having shifted crown peak for reduced fly height sensitivity
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Mechanical attachment of slider to its support : Motorized)

Patent 5687043: Head drum assembly for use in a video cassette recorder
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head during transducing : Tape record having rotary head : Signal transfer to/from head : Transformer axis perpendicular to axis of head rotation : Hydrodynamic)

Patent 5687044: Magnetoresistive head with micro-crystallite shielding layer
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Detail of magnetic shielding : In horizontal head configuration)

Patent 5687045: Thin film magnetic head and production method thereof and magnetic disk drive equipped with this thin film magnetic head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)

Patent 5687046: Vertical recording using a tri-pad head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)

Patent 5687047: Magnetic tape cartridge having triple lid assembly
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : Pressure element)

Patent 5687048: Magnetic disk cartridge and process for producing the same
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)

Patent 5687049: Method and circuit for protecting power circuits against short circuit and over current faults
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Voltage regulator protective circuits : Shunt connected capacitors)

Patent 5687050: Electronic control circuit for an internal combustion engine
(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 5687051: Feedback circuit for protecting an integrated circuit with a delay time
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : With time delay protective means : Protection for thyristor)

Patent 5687052: Flexible variable pole-count relay output circuit for controlling multiple relays
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : For relays or solenoids : Plural switches in control circuit : Including electronic switch : Specific frequency responsive relay)

Patent 5687053: Electrode in an electric gathering apparatus
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTRIC CHARGING OF OBJECTS OR MATERIALS : Specific conduction means or dissipator)

Patent 5687054: Corona charging apparatus
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTRIC CHARGING OF OBJECTS OR MATERIALS : Specific conduction means or dissipator)

Patent 5687055: Conductive paste and its usage
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Significant electrode feature : Material : Rotary plates)

Patent 5687056: Variable voltage, variable capacitance chip capacitor device having lead pins electrically coupled to capacitor subassembly
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Multiple capacitors : Mica)

Patent 5687057: Longer life electrolytic capacitors and electrolyte therefor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROLYTIC SYSTEMS OR DEVICES : Liquid electrolytic capacitor : With significant electrolyte : Ethylene glycol : Spacer details)

Patent 5687058: Method and apparatus for reducing at least one dimension of a computer keyboard for transportation and storage
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including keyboard support : Fluid)

Patent 5687059: Mass storage device mounting scheme
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Memory unit support : Disk drive support : With plug-in circuit breakers)

Patent 5687060: Vertically oriented docking station apparatus for a portable computer
(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 5687061: Expansion base and system for portable computers
(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 5687062: High-thermal conductivity circuit board
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : By specific coating : Containing silicon or aluminum : Fan or blower)

Patent 5687063: Subrack for electronic modules
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Cabinet-type housing : With retractable or readily detachable chassis : With locking means or device : Plural)

Patent 5687064: Rigidized outer support structure for an integrated circuit card
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : With housing or chassis : With particular conductive material or coating)

Patent 5687065: Pre-regulator with light switch to limit voltage ringing on turn-off
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For rectifier system : With transistor control means in the line circuit : For full wave rectifier with at least 1 three electrode device)

Patent 5687066: Power converter with overvoltage protection
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For rectifier system : With transistor control means in the line circuit : For full wave rectifier with at least 1 three electrode device)

Patent 5687067: Low noise controller for pulse width modulated converters
(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 5687068: Power supply for in-line power controllers and two-terminal electronic thermostat employing same
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In rectifier systems : Diode : Grid-like electrode)

Patent 5687069: Rectifier bridge apparatus
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In rectifier systems : Diode : Grid-like electrode)

Patent 5687070: Power factor control for switched mode rectifiers
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In rectifier systems : Diode : Grid-like electrode)

Patent 5687071: Voltage lowering device and asynchronous traction system supplied from a single-phase mains supply incorporating a device of this kind
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In rectifier systems : Transistor : Grid-like electrode)

Patent 5687072: Low inductance inverter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In transistor inverter systems : Bridge type : With magnetic control means)

Patent 5687073: Initial program loading system for multiprocessor system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Plural processors :)

Patent 5687074: System for debugging sequence program
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Sequential or selective : Sequence program response : Diagnostics or debugging : Clock-calendar (e.g., time of day))

Patent 5687075: Adaptive control system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Sequence program response)

Patent 5687076: Method for adjusting scale factors of fuzzy logic controllers and conventional nonlinear controllers
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Fuzzy logic : Neural network)

Patent 5687077: Method and apparatus for adaptive control
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Having model : Having status indication)

Patent 5687078: Fine pitch bonding
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Digital positioning (other than machine tool) : Having particular position determining apparatue (e.g., portable or handheld) : Position recording)

Patent 5687079: Method and apparatus for improved control of computer cooling fan speed
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Plural variables : Positional (e.g., velocity, acceleration) : Positional with nonpositional : Proportional-Integral-Derivative (P-I-D))

Patent 5687080: Multiple axis data input apparatus and method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Having operator control interface (e.g., control/display console) : Positional (e.g., joystick) : Positional with nonpositional)

Patent 5687081: Lift truck control system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Construction or agricultural-type vehicle (e.g., crane, forklift) : Vehicle equipment position control (e.g., seat, mirror, door, window, headrest, or headlamp))

Patent 5687082: Methods and apparatus for performing combustion analysis in an internal combustion engine utilizing ignition voltage analysis
(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 : Vibration, roughness, knock : Detection of O2 concentration)

Patent 5687083: Vehicle-guiding device for recognizing curved road and leading vehicle along curved road aurally
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : For use in a map data base system : Having audio or visual route guidance : Route correction, modification, or verification)

Patent 5687084: Satellite orbit maintenance system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Space orbits or paths : With radar or optical ground scanner)

Patent 5687085: Substrate processing apparatus and method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Integrated circuit production or semiconductor fabrication : Rapid prototyping (e.g., layer-by-layer, material deposition))

Patent 5687087: Card printing and dispensing system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Article handling : Dispensing or vending : Operator or payment initiated : Customized dispensed article (e.g., operator design) : Monitoring or inspection (e.g., incomplete assembly))

Patent 5687088: Net list for use in logic simulation and back annotation method of feedbacking delay information obtained through layout design to logic
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : SIMULATING ELECTRONIC DEVICE OR ELECTRICAL SYSTEM : Circuit simulation : Including logic :)

Patent 5687089: Drive regulator circuit board for a 3.50 inch disk drive
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : COMPUTER POWER CONTROL : Password)

Patent 5687090: Polymer component characterization method and process simulation apparatus
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : SIMULATING NONELECTRICAL DEVICE OR SYSTEM : Of physical phenomenon (e.g., heat, wave, geophysics))

Patent 5687091: Integrated arrangement for monitoring without interrupt process flow by novel sensor arrangement with unique data processing system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Chemical process control or monitoring system : Having particular operator interface (e.g., teaching box, digitizer, tablet, pendant, dummy arm))

Patent 5687092: Method of compensating for changes in flow characteristics of a dispensed fluid
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Fluid or fluid flow measurement : Coordinate positioning)

Patent 5687093: Integrated system for gathering, processing, and reporting data relating to site contamination
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : STRUCTURAL DESIGN :)

Patent 5687094: Design verification apparatus
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Testing or evaluating : Design verification (e.g., wiring line capacitance, fan-out checking, minimum path width) :)

Patent 5687095: Video transmission rate matching for multimedia communication systems
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Plural video programs in single channel : Color television : Periodic shuttering)

Patent 5687096: Method and apparatus for monitoring video signals in a computer
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL DISPLAY SYSTEMS : Remotely located : Presentation of similar images : Changing of subpixel location over time)

Patent 5687097: Method and apparatus for efficiently determining a frame motion vector in a video encoder
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Animation : Motion planning or control : Scaling)

Patent 5687098: Device data acquisition
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Mechanical control system : Flow control (e.g., valve or pump control) : Specific thermally responsive controller)

Patent 5687099: Body support with adaptive pressurization
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Pressure : Coordinate positioning)

Patent 5687100: Vibrating tube densimeter
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Density : Thermal related property)

Patent 5687101: Digital filter circuit and signal processing method for the same
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Measured signal processing : Signal extraction or separation (e.g., filtering) : Cause or fault identification)

Patent 5687102: Double precision (64 bit) shift operations using a 32 bit data path
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Shifting : Normalization)

Patent 5687103: Position measuring device
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Orientation or position : By distance and time measurement)

Patent 5687104: Method and apparatus for generating decoupled filter parameters and implementing a band decoupled filter
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Logarithmic/exponential)

Patent 5687105: Processing device performing plural operations for plural tones in response to readout of one program instruction
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : CLOCK CONTROL OF DATA PROCESSING SYSTEM, COMPONENT, OR DATA TRANSMISSION : Correction for skew, phase, or rate)

Patent 5687106: Implementation of binary floating point using hexadecimal floating point unit
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Floating point : Compensation for finite word length : Sticky bit :)

Patent 5687107: Exclusive-OR gate, an inverted type selector, and adders
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Addition/subtraction : Binary)

Patent 5687108: Power bussing layout for memory circuits
(STATIC INFORMATION STORAGE AND RETRIEVAL : FORMAT OR DISPOSITION OF ELEMENTS : Magnetic)

Patent 5687109: Integrated circuit module having on-chip surge capacitors
(STATIC INFORMATION STORAGE AND RETRIEVAL : INTERCONNECTION ARRANGEMENTS : Magnetic)

Patent 5687110: Array having an update circuit for updating a storage location with a value stored in another storage location
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Flip-flop (electrical) : Nuclear induction or spin echo)

Patent 5687111: Static type semiconductor memory device capable of operating at a low voltage and reducing a memory cell area
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Flip-flop (electrical) : Nuclear induction or spin echo)

Patent 5687112: Multibit single cell memory element having tapered contact
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Amorphous (electrical) : Josephson)

Patent 5687113: Electrically programmable memory cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Guide structure)

Patent 5687114: Integrated circuit for storage and retrieval of multiple digital bits per nonvolatile memory cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Multiple values (e.g., analog) : Overlays)

Patent 5687115: Write circuits for analog memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Multiple values (e.g., analog) : Overlays)

Patent 5687116: Programming pulse ramp control circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Multiple values (e.g., analog) : Overlays)

Patent 5687117: Segmented non-volatile memory array with multiple sources having improved source line decode circuitry
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Bank or block architecture : Parallel row lines (e.g., page mode) :)

Patent 5687118: PMOS memory cell with hot electron injection programming and tunnelling erasing
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Multiple pulses (e.g., ramp) : Weak inversion injection)

Patent 5687119: Semiconductor memory device with floating gate electrode
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Line charging (e.g., precharge, discharge, refresh) : Verify signal)

Patent 5687120: Low voltage one transistor flash eeprom cell using fowler-nordheim programming and erase
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Erase : Over erasure :)

Patent 5687121: Flash EEPROM worldline decoder
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Bank or block architecture : Rectangular bars)

Patent 5687122: Data output buffer
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Having particular data buffer or latch : Four or more devices per bit)

Patent 5687123: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including reference or bias voltage generator : Four or more devices per bit)

Patent 5687124: Circuit for identifying a memory cell having erroneous data stored therein
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)

Patent 5687125: Semiconductor memory device having redundancy memory cells incorporated into sub memory cell blocks
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)

Patent 5687126: Semiconductor device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Noise suppression : Differential sensing : Semiconductors : Radiation erasure)

Patent 5687127: Sense amplifier of semiconductor memory having an increased reading speed
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Flip-flop used for sensing : Coincident A.C. signal with pulse)

Patent 5687128: Power supply voltage boosting circuit of semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : POWERING : Having fuse element)

Patent 5687129: Method and circuit for supplying memory IC power
(STATIC INFORMATION STORAGE AND RETRIEVAL : POWERING : Data preservation : Standby power : Magnetic)

Patent 5687130: Memory cell with single bit line read back
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Data preservation)

Patent 5687131: Multi-mode cache structure
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Data preservation)

Patent 5687132: Multiple-bank memory architecture and systems and methods using the same
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Plural blocks or banks : Standby power)

Patent 5687134: Synchronous semiconductor memory capable of saving a latency with a reduced circuit scale
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Magnetic)

Patent 5687135: Count unit for nonvolatile memories
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Counting : Page memories)

Patent 5687136: User-driven active guidance system
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Distance or direction finding : With indicator : Audible or tactile : Frequency)

Patent 5687137: Methods and apparatus for adaptive oceanographic sampling
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : UNDERWATER SYSTEM : With towing)

Patent 5687138: Methods of analyzing stoneley waveforms and characterizing underground formations
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Well logging : Amplitude measurement : Of noncompressional acoustic wave energy :)

Patent 5687139: Electrical load optimization device
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : COMBINED WITH DISPARATE DEVICE : Electrical device)

Patent 5687140: Timepiece and its display switching mechanism
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : DISPLAYS OR DISPLAY DEVICE DETAILS : Dial or hand : With time indicia shifting means : Having a movable plate)

Patent 5687141: Method and apparatus for recording information on magnetooptical recording medium while canceling external stray magnetic field
(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 : Leakage magnetic field : Changing size of magnetic domain)

Patent 5687142: Disc apparatus having a plurality of reading/recording head driving manners for disc track seeking movement
(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 : Operative location positioning of transducer assembly : During load and unload of storage medium :)

Patent 5687143: Reproducing apparatus having an optical head system
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : Cabinet details)

Patent 5687144: Audio player for reproducing writing data as audio signals
(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 : Auxiliary information)

Patent 5687145: Disc loading apparatus for disc recording and/or reproducing apparatus having arrangement which lowers disc onto disc setting surface as it is
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : INFORMATION LOCATION OR REMOTE OPERATOR ACTUATED CONTROL : Selective addressing of storage medium (e.g., programmed access) : Of optical storage medium : Plural optical storage media in disc changer : Plural media are unprotected (i.e., discs that are not in cartridges) : Having specified internal support structure for internal transfer mechanism : Of carousel changer)

Patent 5687146: Focus control device for use with an optical pickup comprising a refracting means
(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 : Structure for shaping beam or causing astigmatic condition : Lens or mirror pivots off center (e.g., on a shaft, etc.))

Patent 5687147: Servo control method and apparatus for an opto magnetic disc
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Servo signal compared to a reference signal : Structure for shaping beam or causing astigmatic condition)

Patent 5687148: Optical disk having both constant linear and constant angular velocity recording regions and optical disk recording system
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONTROL OF STORAGE OR RETRIEVAL OPERATION BY A CONTROL SIGNAL TO BE RECORDED OR REPRODUCED : Mechanism control by the control signal : Control of relative motion producing mechanism : Responsive to change in transduced information characteristic : Including static memory write address controlling)

Patent 5687149: Device for recording data in a disturbed environment
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONDITION INDICATING, MONITORING, OR TESTING : Including radiation storage or retrieval : Having abnormal condition indicating : System disturbance : Defect)

Patent 5687150: Apparatus for and method of recording information, and apparatus for recording and reproducing information
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONTROL OF STORAGE OR RETRIEVAL OPERATION BY A CONTROL SIGNAL TO BE RECORDED OR REPRODUCED : Control of information signal processing channel : For sequencing or switching : Of sub-code information)

Patent 5687152: Optical pickup system
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Having particular optical element or particular placement thereof in radiation beam path to or from storage medium : Diffractive : In radiation beam path to storage medium : Sectioned optical element : Plural diffractive sections : Having single motor that drives multiple mechanisms)

Patent 5687153: Optical head device and optical information apparatus using a lithium niobate hologram with divisional areas to diffract light to
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Having particular optical element or particular placement thereof in radiation beam path to or from storage medium : Diffractive : Sectioned optical element : Plural diffractive sections : Prism, mirror, or waveguide section)

Patent 5687154: Optical pickup device which can be adapted to plurality of types of optical disks
(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 : Structure for shaping beam or causing astigmatic condition : Lens or mirror pivots off center (e.g., on a shaft, etc.))

Patent 5687155: Optical integrating element and integration type optical pickup device using the same
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Having particular optical element or particular placement thereof in radiation beam path to or from storage medium : Diffractive : In radiation beam path to storage medium : Sectioned optical element : Defect location indicating)

Patent 5687156: Calibration of lasers that produce multiple power output levels of emitted radiation
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONTROL OF STORAGE OR RETRIEVAL OPERATION BY A CONTROL SIGNAL TO BE RECORDED OR REPRODUCED : Mechanism control by the control signal : Control of transducer assembly mechanism : Power control for energy producing device : For storage : Stored and retrieved testing signal : One tray for single disc)

Patent 5687157: Method of recording and reproducing digital audio signal and apparatus thereof
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : BINARY PULSE TRAIN INFORMATION SIGNAL : Binary signal gain processing : Within a frequency band : Signal error correcting or detecting)

Patent 5687158: Optical disk recording and reproducing apparatus for compressed signals
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : With details of electrical signal processing : Compressing or decompressing : Sectioned element)

Patent 5687159: Pickup assembly for a disk player
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : DYNAMIC MECHANISM OPTICAL SUBSYSTEM : Transducer carriage or actuator : Supported by linear guide rail or rod : Rail attachment to base : Backlash prevention)

Patent 5687160: Optical recording medium with lists having playback control information
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Optical track structure (e.g., phase or diffracting structure, etc.) : Track data format/layout : Disc holding or locating (e.g., spindle structure))

Patent 5687161: Apparatus and method for reproducing data from disk method for recording data on disk and disk
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : INFORMATION LOCATION OR REMOTE OPERATOR ACTUATED CONTROL : Selective addressing of storage medium (e.g., programmed access) : Of optical storage medium : Electrical information signal processing : Buffering : Correction of error)

Patent 5687162: DS/CDMA receiver having an interference cancelling function capable of asssuring a desired reception quality in a narrow-band DS/CDMA
(MULTIPLEX COMMUNICATIONS : GENERALIZED ORTHOGONAL OR SPECIAL MATHEMATICAL TECHNIQUES :)

Patent 5687163: Method and apparatus for signal classification using I/Q quadrant histogram
(MULTIPLEX COMMUNICATIONS : GENERALIZED ORTHOGONAL OR SPECIAL MATHEMATICAL TECHNIQUES : Quadrature carriers : Having a signaling constellation :)

Patent 5687164: Decoder employing viterbi decoding method for decoding coded multi-valued signal
(MULTIPLEX COMMUNICATIONS : GENERALIZED ORTHOGONAL OR SPECIAL MATHEMATICAL TECHNIQUES : Quadrature carriers : Having a signaling constellation :)

Patent 5687165: Transmission system and receiver for orthogonal frequency-division multiplexing signals, having a frequency-synchronization circuit
(MULTIPLEX COMMUNICATIONS : GENERALIZED ORTHOGONAL OR SPECIAL MATHEMATICAL TECHNIQUES : Particular set of orthogonal functions : Having a signaling constellation)

Patent 5687166: Modulation system for spread spectrum CDMA communication
(MULTIPLEX COMMUNICATIONS : GENERALIZED ORTHOGONAL OR SPECIAL MATHEMATICAL TECHNIQUES : Particular set of orthogonal functions : Walsh functions :)

Patent 5687167: Method for preempting connections in high speed packet switching networks
(MULTIPLEX COMMUNICATIONS : NETWORK CONFIGURATION DETERMINATION : Determination of communication parameters)

Patent 5687168: Link state routing device in ATM communication system
(MULTIPLEX COMMUNICATIONS : NETWORK CONFIGURATION DETERMINATION : Using a particular learning algorithm or technique : Measurement of flow rate of messages having an address header)

Patent 5687169: Full duplex ultrawide-band communication system and method
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Airborne or space satellite repeater : Multiple access (e.g., FDMA) : Time division (TDMA) : Synchronization :)

Patent 5687171: Device and method for allocating radio channels in a CDMA 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 code word channels using multiple access techniques (e.g., CDMA) : Based upon a particular signal quality measurement)

Patent 5687172: Terabit per second distribution network
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Message transmitted using fixed length packets (e.g., ATM cells) : Having detail of switch memory reading/writing : Having input or output storage or both : Detail of clock recovery or synchronization)

Patent 5687173: Addressable high speed counter array
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Flow control of data transmission through a network : Using leaky bucket technique : Measurement of the average data flow rate)

Patent 5687174: Network link endpoint capability detection
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Carrier sense multiple access (CSMA) : Using a star coupler : With priority resolution)

Patent 5687175: Adaptive time-division multiplexing communications protocol method and system
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Polling : Arbitration for access between contending stations)

Patent 5687176: Zero byte substitution method and apparatus for telecommunications equipment
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Byte assembly and formatting : Transmission of a single message having multiple packets)

Patent 5687177: Tone blocking using variable delay buffer
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Signaling (ancillary to main information) : Digital tone detection : Including delay device)

Patent 5687178: Method and apparatus for testing a static RAM
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Memory testing : Electrical parameter (e.g., threshold voltage) : Special test pattern (e.g., checkerboard, walking ones))

Patent 5687179: Serial data input/output method and apparatus
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Scan path testing (e.g., level sensitive scan design (LSSD)) : Special test pattern (e.g., checkerboard, walking ones))

Patent 5687180: Method and circuit for checking operation of input buffers of a semiconductor circuit
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Determination of marginal operation limits : Clock or synchronization)

Patent 5687181: Parallel data transmission unit using byte error correcting code
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Parallel generation of check bits : Cross-interleave Reed-Solomon code (CIRC))

Patent 5687182: Error detection and correction device
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Adaptive error-correcting capability : Solid state memory)

Patent 5687183: Memory access system with overwrite prevention for overlapping write operations
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Adaptive error-correcting capability : Solid state memory)

Patent 5687184: Method and circuit arrangement for speech signal transmission
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Error count or rate : Memory access (e.g., address permutation))

Patent 5687185: Laser cathode-ray tube
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Utilizing color centers)

Patent 5687186: Eyesafe laser transmitter with single resonator cavity for both pump laser and optical parametric oscillator
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : With depopulation of lower states)

Patent 5687187: Process and device for regulating the position of the tip of an electric furnace electrode
(INDUSTRIAL ELECTRIC HEATING FURNACES : ARC FURNACE DEVICE : Power supply system : With power regulation : By changing arc length : With heating between chambers)

Patent 5687188: Method of producing an adjusted metric
(PULSE OR DIGITAL COMMUNICATIONS : TRANSCEIVERS : Transmission interface between two stations or terminals : Phase locked loop)

Patent 5687189: Method of noise reduction for an ADPCM signal
(PULSE OR DIGITAL COMMUNICATIONS : PULSE CODE MODULATION : Differential : Associated signal processing)

Patent 5687190: Non-coherent direct sequence spread spectrum receiver for detecting bit/symbol chip sequences using threshold comparisons of chip sequence
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : End-to-end transmission system : Having correlation-type receiver :)

Patent 5687191: Post-compression hidden data transport
(PULSE OR DIGITAL COMMUNICATIONS : APPARATUS CONVERTIBLE TO ANALOG : Including pulse regeneration or conversion)

Patent 5687192: Circuit arrangement for transmitting information on a two-wire line
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Transformer coupling)

Patent 5687193: Manchester coder/decoder
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Angle modulation : Phase shift keying : Biphase (manchester codes) : Quaternary)

Patent 5687194: Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Angle modulation : Phase shift keying : Differential phase shift keying (diphase) : Quaternary)

Patent 5687195: Digital automatic gain controller for satellite transponder
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Automatic gain control : Correlative or matched filter)

Patent 5687196: Range and bearing tracking system with multipath rejection
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Diversity (frequency or time) : Separate mark and space channels)

Patent 5687197: Method and apparatus for detecting data symbols in a diversity communication system
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Diversity (frequency or time) : Separate mark and space channels)

Patent 5687198: Channel estimation in a communication system
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Diversity (frequency or time) : Separate mark and space channels)

Patent 5687199: Substitution of synchronization bits in a transmission frame
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : With electromagnetic relay or solenoid)

Patent 5687200: System for synchronizing distorted data in a data communication system
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Frequency or phase control using synchronizing signal : Synchronization bit insertion into artificially created gaps : Separate mark and space channels)

Patent 5687201: Phase-locked-loop with linear combination of charge pump and current controlled oscillator
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Phase locking : With charge pump or up and down counters : More than two phases)

Patent 5687202: Programmable phase shift clock generator
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Phase locking : Phase locked loop : More than two phases)

Patent 5687203: Digital phase locked loop circuit
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Phase locking : Phase locked loop : More than two phases)

Patent 5687204: Method of and apparatus for checking the degradation of a pressure vessel of a nuclear reactor
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : TESTING, SENSING, MEASURING, OR DETECTING A FISSION REACTOR CONDITION : Vessel monitoring or inspection : Rod or support carrying plural elements or diverse materials)

Patent 5687205: Underwater remote drilling tool and methods
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM : By particular instrumentation circuitry)

Patent 5687206: Method of replacing a boiling water reactor core shroud
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM : By particular instrumentation circuitry)

Patent 5687207: Refueling machine
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM : Fuel component : Charging or discharging of fuel : With pressure vessel cover removal)

Patent 5687208: Method of and apparatus for predicting computed tomography contrast enhancement with feedback
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Computerized tomography : Object responsive :)

Patent 5687209: Automatic warp compensation for laminographic circuit board inspection
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Tomography : With nonphotographic detector : Fan beam translation)

Patent 5687210: Method and device for determining the attenuation function of an object with respect to the transmission of a reference material thickness
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Absorption : Inspection of closed container : With standardization)

Patent 5687211: Bone densitometry scanning system and method for selecting scan parametric values using x-ray thickness measurement
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE SUPPORT : Including object support or positioning : With movable source : With film clamping)

Patent 5687212: System for reactively maintaining telephone network facilities in a public switched telephone network
(TELEPHONIC COMMUNICATIONS : DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT : Of centralized switching system : Trouble ticket reporting :)

Patent 5687213: Telephone line testing device
(TELEPHONIC COMMUNICATIONS : DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT : Using portable test set (e.g., handset type) : Of switchboard element condition (e.g., lamp))

Patent 5687214: Method and apparatus for remote maintenance procedures
(TELEPHONIC COMMUNICATIONS : DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT : Testing of subscriber loop or terminal : With a programmable or self-test device)

Patent 5687215: Vehicular emergency message system
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Emergency or alarm communication : Location monitoring :)

Patent 5687216: Apparatus for storing messages in a cellular mobile terminal
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Message storage or retrieval : Having message notification : At remote station)

Patent 5687217: Listen verification method and system for cellular phones
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Diagnostic testing, malfunction indication, or electrical condition measurement : Control of another apparatus)

Patent 5687218: Cordless telephone
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Special service : Caller identification : Format conversion (e.g., text, audio, etc.))

Patent 5687220: Telephonic voice message transmission control method
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Message management : Caller identification received at substation)

Patent 5687221: Information processing apparatus having speech and non-speech communication functions
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : Having transmission of a digital message signal over a telephone line : Having station display : Having format conversion)

Patent 5687222: ITU/TDD modem
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : Having transmission of a digital message signal over a telephone line : By voice frequency signal (e.g., tone code) : Modulated audio tone : Reconfigurable : Determining fault location)

Patent 5687223: Method for acquiring statistics in a telephone network employing flexibly changeable rules
(TELEPHONIC COMMUNICATIONS : WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) : Call traffic recording by computer or control processor : Generalized statistics about telephone network usage : Specialized exchange : Line powered)

Patent 5687224: Telecommunications circuit provisioning and administration system
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Provisioning : Detecting presence or absence of party or object)

Patent 5687225: System for adding outbound dialing to inbound call distributors
(TELEPHONIC COMMUNICATIONS : CENTRALIZED SWITCHING SYSTEM : Call distribution to operator : Automatic call distributor (ACD) system : With interrupter)

Patent 5687227: Telephone with user recorded ringing signal
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Signal reception at substation : Incoming call alerting : Including audible message generation : Directing incoming call to local appliance)

Patent 5687228: Universal amplified telephone handset
(TELEPHONIC COMMUNICATIONS : SUBSTATION OR TERMINAL CIRCUITRY : Amplifying (e.g., AGC or AVC) : Suppression (e.g., antisidetone))

Patent 5687229: Method for controlling echo canceling in an echo canceller
(TELEPHONIC COMMUNICATIONS : ECHO CANCELLATION OR SUPPRESSION : Using digital signal processing : Adaptive filtering : Least mean squares (LMS) algorithm : Coordinate system (e.g., X-Y))

Patent 5687230: Device for mobile telephones
(TELEPHONIC COMMUNICATIONS : TERMINAL : Having loudspeaking conversation capability (e.g., hands- free type or speakerphone) : Hands-free loudspeaker feature : Automatic adjustment)

Patent 5687231: Articulated headset
(TELEPHONIC COMMUNICATIONS : TERMINAL : Housing or housing component : Body supported (e.g., headgear) : Having plunger and lever linkage)

Patent 5687232: Adjustable length telephone handset
(TELEPHONIC COMMUNICATIONS : TERMINAL : Housing or housing component : Handset structure : Having plunger and lever linkage)

Patent 5687233: Modular jack having built-in circuitry
(TELEPHONIC COMMUNICATIONS : TERMINAL ACCESSORY OR AUXILIARY EQUIPMENT : With circuit connection to terminal : Casing or enclosure, per se)

Patent 5687234: Mobile telephone charger
(TELEPHONIC COMMUNICATIONS : TERMINAL ACCESSORY OR AUXILIARY EQUIPMENT : Support or stand : Antiseptic, disinfecting, or disposable)

Patent 5687235: Certificate revocation performance optimization
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : MULTIPLE COMPUTER COMMUNICATION USING CRYPTOGRAPHY : Central trusted authority provides computer authentication : By certificate : Revocation or expiration :)

Patent 5687236: Steganographic method and device
(CRYPTOGRAPHY : PARTICULAR ALGORITHMIC FUNCTION ENCODING : Having particular key generator)

Patent 5687237: Encryption key management system for an integrated circuit
(CRYPTOGRAPHY : PARTICULAR ALGORITHMIC FUNCTION ENCODING : NBS/DES algorithm : Plural generators)

Patent 5687238: Small size product cipher apparatus
(CRYPTOGRAPHY : COMMUNICATION SYSTEM USING CRYPTOGRAPHY : Data stream/substitution enciphering : Having plural band pass filters)

Patent 5687239: Audio reproduction apparatus
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : BINAURAL AND STEREOPHONIC : Stereo speaker arrangement : Stereo earphone : Enclosure adaptation)

Patent 5687240: Method and apparatus for processing discontinuities in digital sound signals caused by pitch control
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : SOUND EFFECTS : Testing of hearing aids)

Patent 5687241: Circuit arrangement for automatic gain control of hearing aids
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : HEARING AIDS, ELECTRICAL : Reverberators)

Patent 5687242: Hearing aid controls operable with battery door
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : HEARING AIDS, ELECTRICAL : Reverberators)

Patent 5687243: Noise suppression apparatus and method
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : NOISE OR DISTORTION SUPPRESSION : Spectral adjustment : In multiple frequency bands : Device for manipulation)

Patent 5687244: Bone conduction speaker and mounting system
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Body contact wave transfer (e.g., bone conduction earphone, larynx microphone) : Including feedback)

Patent 5687245: Sampled chamber transducer with enhanced low frequency response
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Having body supported structure other than on head : Plural diaphragms)

Patent 5687246: Headpiece or headrest comprising a personal proximity sound rig
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Mounting or support feature of housed loudspeaker : Plural diaphragms)

Patent 5687247: Surround for a loudspeaker
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Electromagnetic (e.g., dyynamic) : Having diaphragm support feature : Electrical hardware feature)

Patent 5687248: Light weight and low magnetic leakage loudspeaker
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Electromagnetic (e.g., dyynamic) : Magnetic circuit : Magnetic liquid : Spider)

Patent 5687249: Method and apparatus for extracting features of moving objects
(IMAGE ANALYSIS : APPLICATIONS : Vehicle or traffic control (e.g., auto, bus, or train) : ZIP code)

Patent 5687250: Image quality analysis method and apparatus
(IMAGE ANALYSIS : APPLICATIONS : Document or print quality inspection (e.g., newspaper, photographs, etc.) : License plate)

Patent 5687251: Method and apparatus for providing preferentially segmented digital images
(IMAGE ANALYSIS : APPLICATIONS : Biomedical applications : Cell analysis, classification, or counting : With a prism)

Patent 5687252: Image processing apparatus
(IMAGE ANALYSIS : IMAGE SEGMENTATION : Distinguishing text from other regions : Alphanumerics)

Patent 5687253: Method for comparing word shapes
(IMAGE ANALYSIS : IMAGE SEGMENTATION : Segmenting individual characters or words : Alphanumerics)

Patent 5687254: Searching and Matching unrecognized handwriting
(IMAGE ANALYSIS : PATTERN RECOGNITION : Context analysis or word recognition (e.g., character string) : Statistical decision process)

Patent 5687255: Pre-coding method and apparatus for multiple source or time-shifted single source data and corresponding inverse post-decoding method and
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Context analysis or word recognition (e.g., character string))

Patent 5687256: Image coding and decoding apparatuses with variable block boundaries
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Context analysis or word recognition (e.g., character string))

Patent 5687257: Adaptive coding level control for video compression systems
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Adaptive coding (i.e., changes based upon history, activity, busyness, etc.) : Checking spelling for recognition)

Patent 5687258: Border treatment in image processing algorithms
(IMAGE ANALYSIS : IMAGE ENHANCEMENT OR RESTORATION : Edge or contour enhancement : Minimize discontinuities at boundaries of image blocks (i.e., reducing blocking effects or effects of wrap-around) : Skeletonizing)

Patent 5687259: Aesthetic imaging system
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Changing the image coordinates : Registering or aligning multiple images to one another : Where the object is a character, word, or text)

Patent 5687260: Optical fiber switch using four gate directional coupler and control pulse
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Switch (i.e., switching from one terminal to another, not modulation) : Diffraction grating (e.g., Bragg))

Patent 5687261: Fiber-optic delay-line stabilization of heterodyne optical signal generator and method using same
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Plural (e.g., data bus) : Single pole single throw)

Patent 5687262: High-speed electro-optical multiplexer/demultiplexer
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Plural (e.g., data bus) : Single pole single throw)

Patent 5687263: Optical RF bandpass filter and method for manufacturing same
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Input/output coupler : Evanescent wave coupling)

Patent 5687264: Apparatus for injecting high power laser light into a fiber optic cable
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Input/output coupler : Lens : Mode strippers)

Patent 5687265: Optical control device and method for making the same
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling structure : Electrodes on or near the coupling region : Spherical)

Patent 5687266: Optical interconnection unit for interconnecting optical
(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 5687267: Integrated optoelectronic coupling and connector
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Optical fiber to a nonfiber optical device connector : Plural fiber/device connections : Having at least one layer compressively fixed (e.g., crimp, tightening screws, etc.))

Patent 5687268: Pivotable optical shutter for blocking emission from a lightguide adapter #5
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Structure surrounding optical fiber-to-fiber connection : With additional optical element between facing fiber ends : Fiber end held in ferrule)

Patent 5687269: Optical connector and polishing method of its end surface
(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 : Fiber/ferrule further processed (grinding, polishing, etc.) : Tube-type holding structure)

Patent 5687270: Photodetector module capable of preventing deviation of optical axis
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Optical fiber to a nonfiber optical device connector : With housing : Sealed from environment : Fiber/ferrule further processed (grinding, polishing, etc.))

Patent 5687271: Shielded fiber optics cable for compatibility with high voltage power lines
(OPTICAL WAVEGUIDES : OPTICAL TRANSMISSION CABLE : With electrical conductor in the same cable : End-to-end (butt) coupling)

Patent 5687272: Segmented optical waveguide suitable in particular for being included in a semiconductor device
(OPTICAL WAVEGUIDES : PLANAR OPTICAL WAVEGUIDE : Thin film optical waveguide : Multilayer structure (mixture) : Where the second or further layer is a coating)

Patent 5687273: Tuning data sharing apparatus and a method thereof for a television/video cassette tape recorder
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using disc)

Patent 5687275: Trick play data indentification methods and apparatus for use with digital video recording and playback devices
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Having auxiliary dynamic memory means)

Patent 5687276: Magnetic recording and/or reproducing apparatus for detecting first and second attendant data indicative of a recording mode of associated
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Audio signal : Selective mode (e.g., mono, stereo, or bilingual) :)

Patent 5687277: Motor drive control device which uses pulse width modulation to control the speed of a motor
(ELECTRICITY: MOTOR CONTROL SYSTEMS : CLOSED LOOP SPEED CONTROL SYSTEM FOR DC MOTOR WITH COMMUTATOR : Field control, or field and armature control, by analog (only) circuitry : By pulse width or duty cycle modification :)

Patent 5687278: Portable clothing steamer
(ELECTRIC RESISTANCE HEATING DEVICES : : Vaporizer : Liquid evaporant (e.g., water, etc.) : Container with self-contained evaporant supply : With separate heating chamber : Removable :)

 

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