Patents 5689348

Patents 5689348 - 5689603

Patent 5689348: Book document reading device
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile illumination control : Variable thresholding technique)

Patent 5689349: Method and a device for generating printing data in a color space defined for non-standard printing inks
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)

Patent 5689350: Color printer calibration method for accurately rendering selected colors
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Measuring, testing, and calibrating : Thermal)

Patent 5689351: Holographic memory readout with reduced speckle
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using modulated or plural reference beams : Having nonplanar recording medium surface)

Patent 5689352: Liquid crystal display device and process for producing same
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Electrode or bus detail (i.e., excluding supplemental capacitor and transistor electrodes) : Having connection detail to external circuit : Resistance reducing electrodes)

Patent 5689353: Remote control with two-way data coupling
(OPTICAL COMMUNICATIONS : REMOTE CONTROL : Plural : Through optical fiber or waveguide)

Patent 5689354: Optical space communication apparatus
(OPTICAL COMMUNICATIONS : OPTICAL COMMUNICATION OVER FREEE SPACE : Transceivers : Including alignment : Feedback control)

Patent 5689355: Repeater using optical cables for radio paging system
(OPTICAL COMMUNICATIONS : HYBRID COMMUNICATION SYSTEM (E.G., OPTICAL AND RF) : Including specific optical interface : Through optical fiber or waveguide)

Patent 5689356: System and method for minimizing nonlinear distortion in optical communication systems employing laser intensity modulation
(OPTICAL COMMUNICATIONS : MULTIPLEX : Subcarrier multiplexing : Time and wavelength division)

Patent 5689357: Nonlinear optical element for extremely high bit rates
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Opto-optical device)

Patent 5689358: Optical functional devices and integrated optical devices having a ridged multi-quantum well structure
(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 : Using reflective or cavity structure : Semiconductor :)

Patent 5689359: Polarization independent optical isolator
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Magneto-optic : Modulation of polarized light via modulating input signal : Within display element)

Patent 5689360: Polarization independent optical isolator
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Magneto-optic : Modulation of polarized light via modulating input signal : Within display element)

Patent 5689361: Apparatus and method for femtosecond pulse compression based on selective attenuation of a portion of an input power spectrum
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Magneto-optic : Amplitude modulation : With particular direction of the field in relation to the medium, beam direction or polarization)

Patent 5689362: Acousto-optic deflector device
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) : Acousto-optic : Using single polarization)

Patent 5689363: Long-pulse-width narrow-bandwidth solid state laser
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Raman or Brillouin process : Third harmonic)

Patent 5689364: Light reflectant surface for photoinduction chambers
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Beam combination or separation)

Patent 5689365: Stereoscopic-vision endoscope
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Having ultraviolet absorbing or shielding property)

Patent 5689366: Coarse and fine adjustment focusing apparatus for a microscope
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Stage or slide carrier : Adjustable along optical axis : Binocular)

Patent 5689367: Polarization beam splitter
(OPTICAL: SYSTEMS AND ELEMENTS : POLARIZATION WITHOUT MODULATION : Light polarization without any external input : By birefringent element : For beam deflection or splitting : Using film strips)

Patent 5689368: Apparatus for scanning drum inner face and method of scanning therefor
(OPTICAL: SYSTEMS AND ELEMENTS : POLARIZATION WITHOUT MODULATION : Light polarization without any external input : By birefringent element : Using plural elements : Using film strips)

Patent 5689369: Angular deviation detection apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : By movable refractive structure : Having plural reflecting surfaces)

Patent 5689370: Image/information displays on electro-optic devices
(OPTICAL: SYSTEMS AND ELEMENTS : GLARE OR UNWANTED LIGHT REDUCTION : With mirror (e.g., mirror with glare screen, etc.) : Anti-glare mirror : Having another filter)

Patent 5689371: Filter assembly
(OPTICAL: SYSTEMS AND ELEMENTS : GLARE OR UNWANTED LIGHT REDUCTION : Display window : Anti-glare mirror)

Patent 5689372: Integral imaging with anti-halation
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By surface composed of lenticular elements : Plural lenticular plates : Serially disposed along optic axis : Cylindrical lenslets : Reversible)

Patent 5689373: Eyepiece lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Eyepiece : Having two components : With additional reflector (e.g., serial reflections, etc.))

Patent 5689374: GRIN lens and method of manufacturing
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With graded refractive index : Projection type)

Patent 5689375: Optical apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : Having cam device : Condition responsive)

Patent 5689376: Two element optical system, a camera using it and method of making the camera
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Including a nonspherical surface : Having two components : With macro type focusing)

Patent 5689377: Catadioptric optical system and exposure apparatus having the same
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With reflecting element : Including concave or convex reflecting surface : Objective for laser (e.g., optical disc, etc.))

Patent 5689378: Laser diode module
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens movable in its plane : Hand held)

Patent 5689379: Inner gear, cylindrical product with inner gear, mold for inner gear, mold for cylindrical product with inner gear, method of manufacturing
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : With threads : Bayonet coupling)

Patent 5689380: Thin film actuated mirror array for providing double tilt angle
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Including specified control or retention of the shape of a mirror surface : Plural reflecting surfaces)

Patent 5689382: Method and apparatus for determining head parameter for helical scan recorder
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Synchronizing moving-head moving-record recorders : Recording amplifier)

Patent 5689383: Apparatus and method for correcting capstan load in slow speed reproduction mode
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Speed : Linear carrier : Constant speed : By reproduced control signal and transport derived signal :)

Patent 5689384: Timing based servo system for magnetic tape systems
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Elongated web carrier (i.e., tape) : By tracking signal recorded on or immediately beneath surface)

Patent 5689385: Recording and/or reproducing apparatus having tape travel direction control arrangement which prevents tape slippage and slack generation
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Plural reels : Drum)

Patent 5689386: Miniature hard disk drive with EMI protection and single permanent magnet rotary actuator having an improved housing seal
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Environmental control (e.g., air filter, temperature control) : Plural reels)

Patent 5689387: Disk drive apparatus having improved disk loading mechanism
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Loading or ejecting mechanism : Disk seating)

Patent 5689388: Reduced-height magnetic disk drive unit, and disk mounting device for the unit
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Disk seating : Stationary drive)

Patent 5689389: Low profile swage mount
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Load beam detail : Actuator mount region detail : Ball staking : Voice coil adjuster)

Patent 5689390: Scanning device for a magnetic-tape apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For adjusting head position : Tape record : Rotary head : Adjustable head mount : Hydrodynamic)

Patent 5689391: Magneto-optic multitrack reading head having a plurality of reflective rays
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Read only detector using light for reading magnetically recorded information on tape : Readout detector detail : Detector material detail : Using conductor)

Patent 5689392: Tape cassette
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : Pressure element)

Patent 5689393: Magnetic disk cartridge having an opening for a magnetic head on a side thereof
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)

Patent 5689394: Gate voltage modulation for transistor fault conditions
(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 5689395: Overcurrent protection circuit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : Transformer sensor (i.e., toroidal current sensor) : Protection for thyristor)

Patent 5689396: Signal input unit for semiconductor memory device
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Transient responsive : Plural conductors in single sheath (e.g., compound))

Patent 5689397: Arrangement for disconnecting branches of a low voltage supply network under short circuit conditions
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific circuit breaker or control structure : Plural conductors in single sheath (e.g., compound))

Patent 5689398: Redundant control relay circuits
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : For relays or solenoids : Plural switches in control circuit : Variable impedance)

Patent 5689399: Versatile switching module
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : For relays or solenoids : Plural relay or solenoid load selectively operated : Including electronic switch)

Patent 5689400: Portable electronic apparatus including space-saving component mounting features
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)

Patent 5689401: Disk drive apparatus having dual I/O connectors
(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 5689402: SCSI docking adapter
(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 5689403: Intercooled electronic 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 stabilizer or modifying substance)

Patent 5689404: Heat sink having air movement device positioned among tins and between heating elements
(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 5689405: IC card rear board support
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : IC card or card member : Selective connections)

Patent 5689406: Expandable data processing chassis and method of assembly thereof
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Plural : With housing or chassis : Plural dielectric layers)

Patent 5689407: Switched-mode power supply
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, separately-driven type : With automatic control of the magnitude of output voltage or current : For flyback-type converter : Having feedback isolation (e.g., optoisolator, transformer coupled, etc.) : Having particular pulse-width modulation circuit)

Patent 5689408: Magnetic amplifier
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including automatic or integral protection means : In rectifier systems)

Patent 5689409: Switched-mode power supply
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including automatic or integral protection means : For inverters : Transistor inverter : Single-ended type : Having voltage protection : Including short protection across a series-connected pair of transistors (e.g., shoot-through protection, etc.))

Patent 5689410: Split-boost circuit having imbalance protection circuitry
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including automatic or integral protection means : For rectifiers : Semiconductor type : With low pass L or LC filter)

Patent 5689411: Proportional DC power control system and method
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Plural inverters)

Patent 5689412: Univerally adaptable multi-function portable power supply unit for ac/dc conversion which including backup battery and battery charger
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In rectifier systems : With discharge control means (e.g., grid))

Patent 5689413: Voltage convertor for a portable electronic device
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Encased in plug housing : Adapted for use with alternators)

Patent 5689414: Arithmetic and logic unit
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Plural processors : Including sequence or logic processor : Shared memory)

Patent 5689415: Control of paint spraying machines and the like
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Plural variables : Having particular position determining apparatue (e.g., portable or handheld))

Patent 5689416: Computer system monitoring apparatus
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Having protection or reliability feature : Warning or alarm : Positional with nonpositional)

Patent 5689417: Medium-voltage cable expert system
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Electronic shopping (e.g., remote ordering) : Specified keyboard feature)

Patent 5689418: Agricultural communication network
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Earth science :)

Patent 5689419: Apparatus including computer control and voice repetition of digital setting messages
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Aeronautical vehicle : Flight condition indicating system : Spacecraft or satellite)

Patent 5689420: Range safety tracking and data processing system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Aeronautical vehicle : Flight condition indicating system : Spacecraft or satellite)

Patent 5689421: Vehicle safety system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Control of vehicle safety devices (e.g., airbag, seat-belt, etc.) : Artificial intelligence (e.g., fuzzy logic))

Patent 5689422: Converter for cruise control 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) : Fail-safe system)

Patent 5689423: Vehicle navigation system for evaluating a return route based on cost
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Determination of travel data based on the start point and destination point : Route pre-planning : Digital or programmed data processor)

Patent 5689424: Encoded screen records for international postage meters
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : FOR COST/PRICE : Postage meter system : Specialized function performed : Display controlling : Including Automatic Teller Machine (i.e., ATM))

Patent 5689425: Color registration system for a printing press
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Continuous material having indeterminate length (e.g., web, strand, strip, or sheet) : Registration control : Stereolithography)

Patent 5689426: Computer-controlled master reproducer for depositing a master reproduction on a substrate, method for depositing the same, and master
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Glassware forming : Rolling)

Patent 5689427: Method and apparatus for optimal feedrate control on wire-cutting electric discharging machine (WEDM)
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Having particular tool or tool operation : Electrical discharge machining (EDM) : Thickness control)

Patent 5689428: Integrated circuits, transistors, data processing systems, printed wiring boards, digital computers, smart power devices, and processes of
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Power parameter : Fault location)

Patent 5689429: Finger wear detection for production line battery tester
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Power parameter : Battery monitoring : Including communication means)

Patent 5689430: Internal state determining apparatus
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Voltage or current : Battery monitoring)

Patent 5689431: Golf course yardage and information system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : Using Global Positioning System (GPS) : Having variable map scale)

Patent 5689432: Integrated circuit design and manufacturing method and an apparatus for designing an integrated circuit in accordance with the method
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Logical circuit synthesizer : PLA, PLD, FPGA, OR MCM)

Patent 5689433: Method and apparatus for compacting integrated circuits with wire length minimization
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Optimization (e.g., redundancy, compaction) :)

Patent 5689434: Monitoring and control of fluid driven tools
(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 5689435: Systems and methods for automated bracket design
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : STRUCTURAL DESIGN :)

Patent 5689436: Apparatus for compressing and decompressing video signal
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive)

Patent 5689437: Video display method and apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Three-dimension : Hidden line/surface determining :)

Patent 5689438: Audio bit stream generator for high definition television utilizing personal computer, and control method therefor
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Digital audio data processing system : Probability determination or handicapping)

Patent 5689439: Switched antenna diversity transmission method and system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Combining or distributing information via time channels)

Patent 5689440: Voice compression method and apparatus in a communication system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Portable address responsive receiver : Having a plurality of contiguous regions served by respective fixed stations)

Patent 5689441: Signal processing techniques based upon optical devices
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Time : Including photonic packet switching)

Patent 5689442: Event surveillance system
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal modification (e.g., scrambling) : Including addressed decoder control signal : Having program ID or authorization :)

Patent 5689443: Method and apparatus for evaluating scanners
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Performance or efficiency evaluation : Diagnostic analysis : By radiant energy (e.g., X-ray, light))

Patent 5689444: Statistical quality control of wind profiler data
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Speed : Within an enclosure)

Patent 5689445: Electronic compass and attitude sensing system
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Orientation or position : By distance and time measurement)

Patent 5689446: Foot contour digitizer
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Dimensional determination : Contouring : By rotary encoding means)

Patent 5689447: Temperature-compensated, self-calibrating, contact-type gaging system and method for calibrating the same
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Temperature : Coordinate positioning)

Patent 5689449: Decimation filter
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Decimation/interpolation : Tone detection)

Patent 5689450: Parallel processor
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiple parallel operations : Matrix array)

Patent 5689451: Device for calculating parity bits associated with a sum of two numbers
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Error detection or correction : Parity check : Sticky bit)

Patent 5689452: Method and apparatus for performing arithmetic in large galois field GF(2.sup.n)
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Galois field : Butterfly circuit)

Patent 5689453: Data storing apparatus having a memory capable of storing analog data
(STATIC INFORMATION STORAGE AND RETRIEVAL : ANALOG STORAGE SYSTEMS : Particular biasing)

Patent 5689454: Circuitry and methodology for pulse capture
(STATIC INFORMATION STORAGE AND RETRIEVAL : ASSOCIATIVE MEMORIES : Magnetic)

Patent 5689455: Circuit for programming antifuse bits
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ ONLY SYSTEMS (I.E.. SEMIPERMANENT) : Fusible : With other type core)

Patent 5689456: Semiconductor non-volatile ferroelectric memory transistor accompanied with capacitor for increasing potential difference applied to
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Ferroelectric : Same size apertures)

Patent 5689457: Semiconductor Memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Capacitors : Same size apertures)

Patent 5689458: Semiconductor memory device having negative resistance element operated stably with single low power source
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Negative resistance : Complementary)

Patent 5689459: Low voltage one transistor flash EEPROM cell using Fowler-Nordheim programming and erase
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Tunnel programming : Verify signal)

Patent 5689460: Semiconductor memory device with a voltage down converter stably generating an internal down-converted voltage
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including signal comparison : Four or more devices per bit)

Patent 5689461: Semiconductor memory device having voltage booster circuit coupled to a bit line charging/equalizing circuit or switch
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including level shift or pull-up circuit : Four or more devices per bit)

Patent 5689462: Parallel output buffers in memory circuits
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Having particular data buffer or latch : Four or more devices per bit)

Patent 5689463: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)

Patent 5689464: Column repair circuit for integrated circuits
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)

Patent 5689465: Semiconductor memory device and defective memory cell correction circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)

Patent 5689466: Built in self test (BIST) for multiple RAMs
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)

Patent 5689467: Apparatus and method for reducing test time of the data retention parameter in a dynamic random access memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)

Patent 5689468: Semiconductor memory device and method for driving the same
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Precharge : Coincident A.C. signal with pulse)

Patent 5689469: Semiconductor memory devices
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Precharge : Coincident A.C. signal with pulse)

Patent 5689470: Semiconductor memory device and method for accessing a memory in the same
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Precharge : Coincident A.C. signal with pulse)

Patent 5689471: Dummy cell for providing a reference voltage in a memory array
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Noise suppression : Differential sensing : Magnetic : Reference or dummy element :)

Patent 5689472: System and method for providing efficient access to a memory bank
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Multiplexing : Standby power)

Patent 5689473: Multi-bank synchronous memory system with cascade-type memory cell structure
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Magnetic)

Patent 5689474: Digital frequency synthesizer
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SONAR COUNTER-MEASURES :)

Patent 5689475: Nautical apparatus to conduct reconnaissance missions of a site, particularly bathymetric surveys
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Side scanning or contour mapping sonar systems : Linear valve control)

Patent 5689476: Telephone cost monitor
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : COMBINED WITH DISPARATE DEVICE : Electrical device)

Patent 5689477: Method and apparatus for storing and presenting visual and audible information to an individual
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : COMBINED INDEPENDENT AUDIO SYSTEMS : Combining signals to form composite (e.g., mixing) : Fading between plural signals)

Patent 5689478: Magnetic head for magneto-optical recording and magneto-optical recording apparatus in which a magnetic core mounted to a slider has
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : Magnetic field generation : Magnetic field transducer assembly : Changing size of magnetic domain)

Patent 5689479: Magneto-optical recording apparatus
(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 5689480: Magneto-optic recording system employing near field optics
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SIMULTANEOUS DIVERSE TYPES OF STORAGE OR RETRIEVAL : Magnetic field and light beam)

Patent 5689481: Method of accessing multifile storage medium and library system
(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 : Using recorded information indicative of storage medium contents : Plural storage medium elements (e.g., "juke box") : Magnetic domain wall)

Patent 5689482: Disc drive device operable with different discs that may exhibit different linear velocities or circumferential recording densities
(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 : Transducer movement control using recorded information indicative of location of information (e.g., track address) : Designating particular order of contents (e.g., sequential playing back by playlist))

Patent 5689483: Controlling system for optical storage apparatus using pulse width modulator
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : DYNAMIC MECHANISM SUBSYSTEM : Having power driven transducer assembly : Restoring after passive tracking : Responsive to transducer support condition (e.g., movement or position) : Controllable position : Having shoulder and ejector lever)

Patent 5689484: Auto-changer and method with an optical scanner which distinguishes title information from other information
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : INFORMATION LOCATION OR REMOTE OPERATOR ACTUATED CONTROL : Selective addressing of storage medium (e.g., programmed access) : Of optical storage medium : Electrical control signal processing : Plural storage medium elements : Of information indicative of contents or particular order of contents : Magnetic domain wall)

Patent 5689485: Tracking control apparatus and method
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Dithering or wobbling the beam or track : Scanning turntable)

Patent 5689486: Optical disc reproducing apparatus
(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 : Between alternative processing channels : Having location identification information)

Patent 5689487: Verify-while-recording device for optical disk recording apparatus
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONDITION INDICATING, MONITORING, OR TESTING : Including radiation storage or retrieval : Having abnormal condition indicating : Due to unwanted operational condition of record carrier : Defect : Stored and retrieved testing signal)

Patent 5689488: Optical disc system, optical disc and recording method
(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 modulating or demodulating : Beam or detector is not rectangular or circular)

Patent 5689489: Compact disc and floppy disc compatible drive and a driving method thereof
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : PARTICULAR CABINET STRUCTURE FOR OPTICAL MEDIA : Reproducing diverse-type media (e.g., cartridge and disc) : Vibration suppression)

Patent 5689490: MO cartridge jukebox doors which open in a plane parallel to the front panel of the jukebox
(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 library system : Plural media are discs stored in cartridges : Having particular mechanism or slot for transferring disc into library from outside : Drive moves into alignment with disc)

Patent 5689491: Optical write/read device and an information recording media
(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 : Including storage or retrieval of auxiliary signal)

Patent 5689492: Assembly used for precisely positioning the component parts of a laser detector grating unit (LDGU)
(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 : Prism, mirror, or waveguide section : Having single motor that drives multiple mechanisms)

Patent 5689493: A super-resolution optical head with signal corrective circuit
(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 : Integrating or sampling : Sectioned element)

Patent 5689494: Surface atom fabrication method and apparatus
(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 5689495: High density optical disc and optical disc player
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : With particular light source (e.g., laser, CRT with phosphor) : With movement of optical beam (e.g., galvanometer))

Patent 5689496: Optical recording medium having spiral tracks formed with a turning angle of more than 360.degree.
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Optical track structure (e.g., phase or diffracting structure, etc.) : Pit/bubble/groove structure specifies : Disc holding or locating (e.g., spindle structure))

Patent 5689497: Optical registration medium with dual information layer
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Optical track structure (e.g., phase or diffracting structure, etc.) : Turntable)

Patent 5689499: Method and apparatus for managing the statistical multiplexing of data in digital communication networks
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Flow control of data transmission through a network : Based on data flow rate measurement)

Patent 5689500: Multistage network having multicast routing congestion feedback
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Flow control of data transmission through a network : Based on data flow rate measurement)

Patent 5689501: Connectionless communication system
(MULTIPLEX COMMUNICATIONS : DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION) : Fault detection : Of a switching system : ATM least cost routing)

Patent 5689502: Efficient frequency division duplex communication system with interleaved format and timing adjustment control
(MULTIPLEX COMMUNICATIONS : DUPLEX : Communication over free space : Frequency division : Using summation of conferee signals)

Patent 5689503: Random access system of a mobile communication system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Combining or distributing information via time channels : Multiple access (e.g., TDMA) : Using multiple antennas at a station)

Patent 5689504: Mobile radio communication system and channel control method therefor
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via time channels : Synchronization : Channel reservation scheme)

Patent 5689505: Buffering of multicast cells in switching networks
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Particular switching network arrangement : Multistage switch : Having a separate signaling network)

Patent 5689506: Multicast routing in multistage networks
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Particular switching network arrangement : Multistage switch : Having a separate signaling network)

Patent 5689507: Signal processing system
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Particular switching network arrangement)

Patent 5689508: Reservation ring mechanism for providing fair queued access in a fast packet switch networks
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Switching input signals having different aggregate bit rates : Multistage switch)

Patent 5689509: Apparatus and method for packetizing and segmenting MPEG packets
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Message transmitted using fixed length packets (e.g., ATM cells) : Distributed switching : Having a separate signaling network)

Patent 5689510: Data transmission installation of the radio network type, and corresponding method
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Carrier sense multiple access (CSMA) : Using channel reservation)

Patent 5689511: Data receiver for receiving code signals having a variable data rate
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Conversion of rate from a single input to a single output : Same rate output channels)

Patent 5689512: ATM cell interface and method for dispatching an ATM cell
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Message transmitted using fixed length packets (e.g., ATM cells) : Multiprotocol network : Based on priority)

Patent 5689513: Data transmission system having a backup testing facility
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Transmission facility testing : Spare row or column)

Patent 5689514: Method and apparatus for testing the address system of a memory system
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Memory testing : Read-in with read-out and compare : Loop-back)

Patent 5689515: High speed serial data pin for automatic test equipment
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Error mapping or logging)

Patent 5689516: Reset circuit for a programmable logic device
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Programmable logic array (PLA) testing : Special test pattern (e.g., checkerboard, walking ones))

Patent 5689517: Apparatus for scannable D-flip-flop which scans test data independent of the system clock
(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)) : Clock or synchronization : Bus or I/O channel device fault)

Patent 5689518: Method and an apparatus to modify CRC in intermediate high speed network nodes
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Including forward error correction capability)

Patent 5689519: Environmentally stable passively modelocked fiber laser pulse source
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Mode locking : Plural Q-switches)

Patent 5689520: Method and apparatus for variable waveform output in surgical lasers
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Optical output stabilization : Controlling beam phase)

Patent 5689521: Semiconductor laser light source unit
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Monolithic integrated : Disordered region)

Patent 5689522: High efficiency 2 micrometer laser utilizing wing-pumped Tm.sup.3+ and a laser diode array end-pumping architecture
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Pumping with optical or radiant energy : Semiconductor : Electron beam)

Patent 5689523: Excitation system for multi-channel lasers
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Electrical : Inductive or capactive excitation : Electron beam)

Patent 5689524: PN code synchronizing method and transmitter and receiver in spread spectrum communication systems
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : End-to-end transmission system : Having specific signaling for code synchronization :)

Patent 5689525: Direct-sequence spread-spectrum communication system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : End-to-end transmission system : Having specific code acquisition or tracking)

Patent 5689526: Method and apparatus for synchronizing a plurality of code division multiple access signals to enable acquisition and tracking based upon a
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : End-to-end transmission system : Having specific signaling for code synchronization :)

Patent 5689527: Communications system using open architecture bus lines
(PULSE OR DIGITAL COMMUNICATIONS : TRANSCEIVERS : Modems (data sets) : Phase locked loop)

Patent 5689528: Decision feedback equalizer with adaptive filter array operating as feedforward filter of the equalizer
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Adaptive : Decision feedback equalizer : Having SAW or charge-transfer device)

Patent 5689529: Communications method and apparatus for digital information
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Transformer coupling)

Patent 5689530: Data recovery circuit with large retime margin
(PULSE OR DIGITAL COMMUNICATIONS : MULTILEVEL : Antinoise or distortion)

Patent 5689531: Receiver for a digital communication system which eliminates cumulative jitter
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Keying circuits)

Patent 5689532: Reduced complexity EPR4 post-processor for sampled data detection
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Maximum likelihood decoder or viterbi decoder : Separate mark and space channels)

Patent 5689533: Refined timing recovery circuit
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Self-synchronizing signal (self-clocking codes, etc.) : With transition detector : Separate mark and space channels)

Patent 5689534: Audio functional unit and system and method for configuring the same
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Frequency or phase control using synchronizing signal : Synchronization signals with unique amplitude, polarity, length, or frequency : Separate mark and space channels)

Patent 5689535: Method and apparatus for processing multiple facility datalinks
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Frequency or phase control using synchronizing signal : Synchronization signals with unique amplitude, polarity, length, or frequency : Separate mark and space channels)

Patent 5689536: Clock supply apparatus indicating and transmitting preciseness of generated clock signal
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Phase locking : Phase locked loop : More than two phases)

Patent 5689537: Jet pump beam tensioner
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM : By particular instrumentation circuitry)

Patent 5689538: Device and method for recovering and cooling the molten core of a nuclear reactor
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : REACTOR PROTECTION OR DAMAGE PREVENTION : Core catchers : In the form of heated water or steam)

Patent 5689539: Time interval measurement system and a method applied therein
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : APPLICATIONS : Measuring or testing : Time combined with measurement of another parameter : Counting by detecting electrical impedance variations)

Patent 5689540: X-ray water fraction meter
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Absorption : Composition analysis : With spatially dispersive energy analysis)

Patent 5689541: X-ray tube wherein damage to the radiation exit window due to back-scattered electrons is avoided
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE : Electron tube : With X-ray window or secondary radiation screen : With specific bearing means)

Patent 5689542: X-ray generating apparatus with a heat transfer device
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE : Electron tube : With cooling means : With solid heat conductor or shield : With lubrication)

Patent 5689543: Method for balancing rotatable anodes for X-ray tubes
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE : Target : Rotary : With solid heat conductor or shield)

Patent 5689544: X-ray examination apparatus comprising a beam diaphragm
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : BEAM CONTROL : Collimator : Variable : With solid heat conductor or shield)

Patent 5689545: Laser line projecting tool for leveling and alignment of X-ray equipment, and method of use
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : ACCESSORY : Alignment : With light projection : With film clamping)

Patent 5689546: Performance monitoring system for T1 telephone lines
(TELEPHONIC COMMUNICATIONS : DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT : Monitoring : Subscriber line : AIN link)

Patent 5689547: Network directory methods and systems for a cellular radiotelephone
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Using line or loop condition detection (e.g., line circuit) : With optical link between line and switching system : Visual indication of incoming call (e.g., LED or light bulb))

Patent 5689548: Emergency call back using MSC numbers
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Emergency or alarm communication : With subscriber selection or switching)

Patent 5689549: Cordless telephone base unit arranged for operating with multiple portable units
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Including private cordless extension system : Multi-users : Auto-dialing)

Patent 5689550: Interface enabling voice messaging systems to interact with communications networks
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Interacting voice message systems : Pager activation)

Patent 5689551: Caller ID system with prescaler
(TELEPHONIC COMMUNICATIONS : RECEPTION OF CALLING INFORMATION AT SUBSTATION IN WIRELINE COMMUNICATIONS SYSTEM : Call traffic recording or monitoring)

Patent 5689552: Telephone calling with automatic billing
(TELEPHONIC COMMUNICATIONS : WITH CHECK OPERATED CONTROL (E.G., PAYSTATION) : Fraud or interference prevention : Information message notification at paystation)

Patent 5689553: Multimedia telecommunications network and service
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Conferencing : Detecting presence or absence of party or object)

Patent 5689554: Internetwork communication system for managing subscriber switches between networks
(TELEPHONIC COMMUNICATIONS : PLURAL EXCHANGE NETWORK OR INTERCONNECTION : Performed by operator (e.g., butt-in, busy verification))

Patent 5689555: Method for transferring a subscriber to a new local service provider
(TELEPHONIC COMMUNICATIONS : PLURAL EXCHANGE NETWORK OR INTERCONNECTION : With interexchange network routing : Local number portability (LNP) : Service switching point (SSP))

Patent 5689556: Method of detecting narrow-band signals in an echo canceller
(TELEPHONIC COMMUNICATIONS : ECHO CANCELLATION OR SUPPRESSION : Using digital signal processing : Additional signal enhancement (e.g., voice processing or recognition))

Patent 5689557: Redial apparatus and methods for processing symbols input by a user before and during a telephone call
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Substation originated : Repertory or abbreviated call signal generation : Modification of call address signal for abbreviated dialing : Including terminal other than telephone)

Patent 5689558: Telephone handset holder
(TELEPHONIC COMMUNICATIONS : TERMINAL : Housing or housing component : Body supported (e.g., headgear) : Having plunger and lever linkage)

Patent 5689559: Copy prevention method and apparatus of a digital magnetic recording/reproducing system
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Copy protection or prevention : Having copy protect signal :)

Patent 5689560: Method and apparatus for enabling trial period use of software products: method and apparatus for allowing a try-and-buy user interaction
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : BUSINESS PROCESSING USING CRYPTOGRAPHY : Usage protection of distributed data files : Usage or charge determination :)

Patent 5689561: Computer-based trading card system and method
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : BUSINESS PROCESSING USING CRYPTOGRAPHY : Usage protection of distributed data files : Requiring a supplemental attachment or input (e.g., dongle) to open : Adding plural layers of rights or limitations by other than the original producer)

Patent 5689562: Method for transmitting superimposed image data in a radio frequency communication system
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Interframe coding (e.g., difference or motion detection) : Checking spelling for recognition)

Patent 5689563: Method and apparatus for efficient real-time authentication and encryption in a communication system
(CRYPTOGRAPHY : CELLULAR TELEPHONE CRYPTOGRAPHIC AUTHENTICATION : Including generation of an associated coded record)

Patent 5689564: Personal access management system
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : MULTIPLE COMPUTER COMMUNICATION USING CRYPTOGRAPHY : Security kernel or utility : File protection : Revocation or expiration)

Patent 5689565: Cryptography system and method for providing cryptographic services for a computer application
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : DATA PROCESSING PROTECTION USING CRYPTOGRAPHY : Using record or token)

Patent 5689566: Network with secure communications sessions
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : MULTIPLE COMPUTER COMMUNICATION USING CRYPTOGRAPHY : Central trusted authority provides computer authentication : Including filtering based on content or address)

Patent 5689567: Electronic signature method and apparatus
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : MULTIPLE COMPUTER COMMUNICATION USING CRYPTOGRAPHY : Particular communication authentication technique : Authentication by digital signature representation or digital watermark : Including particular multiplication or exponentiation circuit)

Patent 5689568: Medium access control for a mobile satellite system
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : MULTIPLE COMPUTER COMMUNICATION USING CRYPTOGRAPHY : Protection at a particular protocol layer :)

Patent 5689569: Method and device for the utilization of electrical signals
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal modification (e.g., scrambling) : Record or coin controlled : Key signal in blanking interval)

Patent 5689570: Sound reproducing array processor system
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : BINAURAL AND STEREOPHONIC : Pseudo stereophonic : Pseudo quadrasonic : Having transmitter)

Patent 5689571: Device for producing reverberation sound
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : SOUND EFFECTS : Reverberators : Stereo earphone)

Patent 5689572: Method of actively controlling noise, and apparatus thereof
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ACOUSTICAL NOISE OR SOUND CANCELLATION : From appliance : Inductive pickup)

Patent 5689573: Frequency-dependent amplitude modification devices for acoustic sources
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Having acoustic wave modifying structure : With tubular waveguide or resonant element : Device for manipulation)

Patent 5689574: Integral sound module for a modular monitor
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Having acoustic wave modifying structure : Absorbing or attenuating element : Acoustic damping or attenuating resonator)

Patent 5689575: Method and apparatus for processing images of facial expressions
(IMAGE ANALYSIS : APPLICATIONS : Personnel identification (e.g., biometrics) : Using a facial characteristic :)

Patent 5689576: Surface feature mapping using high resolution C-scan ultrasonography
(IMAGE ANALYSIS : APPLICATIONS : Personnel identification (e.g., biometrics) : Using a fingerprint : Sensing geometrical properties)

Patent 5689577: Procedure for the simplification of triangular surface meshes for more efficient processing
(IMAGE ANALYSIS : APPLICATIONS : Biomedical applications : Using a fingerprint)

Patent 5689578: Polarized wave holding optical fiber, production method therefor, connection method therefor, optical amplifier, laser oscillator and
(OPTICAL WAVEGUIDES : OPTICAL FIBER WAVEGUIDE WITH CLADDING : Transition between geometric shapes)

Patent 5689579: Rule-based circuit, method and system for performing item level reconciliation
(IMAGE ANALYSIS : APPLICATIONS : Reading bank checks (e.g., documents bearing E-13B type characters) : Cell analysis, classification, or counting)

Patent 5689580: Printed letter inspecting apparatus for solid objects
(IMAGE ANALYSIS : APPLICATIONS : Manufacturing or product inspection : Inspection of packaged consumer goods : Including an optical imager or reader)

Patent 5689581: Methods of inspection
(IMAGE ANALYSIS : LEARNING SYSTEMS : Neural networks : Tool, workpiece, or mechanical component inspection)

Patent 5689582: Image processing apparatus having image region designating function
(IMAGE ANALYSIS : IMAGE SEGMENTATION : Distinguishing text from other regions : Alphanumerics)

Patent 5689583: Character recognition apparatus using a keyword
(IMAGE ANALYSIS : PATTERN RECOGNITION : Region labeling (e.g., page description language))

Patent 5689584: Method of and apparatus for pattern recognition and method of creating pattern recognition dictionary
(IMAGE ANALYSIS : PATTERN RECOGNITION : Feature extraction : With a display)

Patent 5689585: Method for aligning a text image to a transcription of the image
(IMAGE ANALYSIS : PATTERN RECOGNITION : Context analysis or word recognition (e.g., character string) : Statistical decision process)

Patent 5689586: Methods to print N-tone images with multi-leveling techniques
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Context analysis or word recognition (e.g., character string))

Patent 5689587: Method and apparatus for data hiding in images
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Context analysis or word recognition (e.g., character string))

Patent 5689588: Method and apparatus for increasing compressibility of multibit image data with the LSB value determined in the thresholding operation based
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Gray level to binary coding : Checking spelling for recognition)

Patent 5689589: Data compression for palettized video images
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Adaptive coding (i.e., changes based upon history, activity, busyness, etc.) : Checking spelling for recognition)

Patent 5689590: Background noise removing apparatus and method applicable to color image processing apparatus
(IMAGE ANALYSIS : IMAGE ENHANCEMENT OR RESTORATION : Quantization)

Patent 5689591: Apparatus and method for noncausal, predictive, digital image compression
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Artifact removal or suppression (e.g., distortion correction))

Patent 5689592: Parallel processing of digital signals in a single arithmetic/logic unit
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Multilayered image transformations : Parallel processing : Where the image is an alphanumeric character)

Patent 5689593: Compact fiberoptic circulator with low polarization mode dispersion
(OPTICAL WAVEGUIDES : POLARIZATION WITHOUT MODULATION : Electro-optic)

Patent 5689594: Multiple wavelength bidirectional lightwave amplifier
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Plural (e.g., data bus) : Single pole single throw)

Patent 5689595: Rare earth-doped fiber amplifier assemblies for fiberoptic networks
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling function : Slip ring)

Patent 5689596: Nonlinear optical loop mirror device providing pulse width switching
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling function : Slip ring)

Patent 5689597: Multimode interference couplers and method therefor
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling structure : End fire)

Patent 5689598: Connector block and method for simultaneously mating a plurality of optical fiber connector pairs
(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 5689599: Optical fiber connector with enhanced bonding
(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 : Groove-type holding structure : Tube-type holding structure)

Patent 5689600: Electronic circuit structure
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Optical fiber to a nonfiber optical device connector : Structure rearward of optical fiber end face to secure additional fiber or cable layers)

Patent 5689601: Water blocking optical cable reinforcement
(OPTICAL WAVEGUIDES : OPTICAL TRANSMISSION CABLE : Including splice joint reinforcement)

Patent 5689602: CCD video scope with illumination to the object
(OPTICAL WAVEGUIDES : OPTICAL FIBER BUNDLE : Imaging (i.e., with coherent fiber structure and includes shaping, enhancing, and correcting) : With lens or mirror : With manipulator)

Patent 5689603: Optically interactive nanostructure
(OPTICAL WAVEGUIDES : PLANAR OPTICAL WAVEGUIDE : Thin film optical waveguide : Multilayer structure (mixture) : Where the second or further layer is a coating)

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