Patents 5311397 - 5311649

 

 

Patent 5311397: Computer with modules readily replaceable by unskilled personnel
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)

Patent 5311398: Housing for motor vehicle electronic system
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : With cooling fins)

Patent 5311399: High power ceramic microelectronic package
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : Through support means : Containing silicon or aluminum)

Patent 5311400: Low profile header assembly for an encapsulated instrument
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : Stacked)

Patent 5311401: Stacked chip assembly and manufacturing method therefor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With lock or interlock)

Patent 5311402: Semiconductor device package having locating mechanism for properly positioning semiconductor device within package
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With lock or interlock)

Patent 5311403: Printed substrate for mounting high-power semiconductor chip thereon and driver component making use of the printed substrate
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : Component within printed circuit board : Welded connection)

Patent 5311404: Electrical interconnection substrate with both wire bond and solder contacts
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : Component within printed circuit board : With specific dielectric material or layer : Circuit board mounted)

Patent 5311405: Method and apparatus for aligning and attaching a surface mount component
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With mounting pad : Capacitor and resistor)

Patent 5311406: Microstrip printed wiring board and a method for making same
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Plural : Plural contiguous boards : Multiple contact pins)

Patent 5311407: Printed circuit based for mounted semiconductors and other electronic components
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Lead frame : With particular insulation)

Patent 5311408: Electronic assembly with improved grounding and EMI shielding
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Shielding : EMI : Spacer details)

Patent 5311409: Collapsible photographic light diffuser
(ILLUMINATION : PHOTOGRAPHIC LIGHTING : Including specific light modifier : Plural diverse : Indexing (i.e., dynamic))

Patent 5311410: Distributed lighting system with fiber optic controls
(ILLUMINATION : LIGHT FIBER, ROD, OR PIPE : With intensity control : Holder)

Patent 5311411: Fog lighting system for a motor vehicle
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Automobile : Roof : Sun visor or vanity mirror)

Patent 5311412: Structure of a variable triangular warning light on the third braking light in the rear turbulence plate of an automobile
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Visual identification light : Brake : Lever or link actuated)

Patent 5311413: Device for instantaneously energizing glow bait used for fishing
(ILLUMINATION : WITH CONTAINER : Pavement)

Patent 5311414: Christmas light mounting apparatus
(ILLUMINATION : PLURAL LIGHT SOURCES : With support : Distinct light units)

Patent 5311415: Universal foldable lamp shade cover
(ILLUMINATION : LIGHT MODIFIER : Translucent or opaque (e.g., "shade") : Collapsible or folding : Bowl shaped main surface)

Patent 5311416: Casing with flexible fixing ring
(ILLUMINATION : HOUSING : Translucent or opaque (e.g., "shade"))

Patent 5311417: Illuminative sucker & decorative string thereof
(ILLUMINATION : SUPPORTS : Suction cup : With standard (e.g., table and floor lamps))

Patent 5311418: HVDC DC to DC converter with commutating transformer
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having thyristor inverter (e.g., SCR, etc.) : Double-ended (i.e., push-pull), separately-driven type)

Patent 5311419: Polyphase AC/DC converter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Having plural converters for single conversion : Including semiconductor means)

Patent 5311420: Automatic back corona detection and protection system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Sequence program response)

Patent 5311421: Process control method and system for performing control of a controlled system by use of a neural network
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Specific criteria of system performance : Gain (e.g., tuning) : Economic (e.g., cost))

Patent 5311422: General purpose architecture for intelligent computer-aided training
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : MODELING BY MATHEMATICAL EXPRESSION :)

Patent 5311423: Schedule management method
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Operations research : Allocating resources or scheduling for an administrative function : Including a payment switch or gateway)

Patent 5311424: Method and system for product configuration definition and tracking
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Inventory management : Itemization of parts, supplies, or services (e.g., bill of materials) : Staff scheduling or task assignment)

Patent 5311425: Reservation system terminal
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Reservation, check-in, or booking display for reserved space : Coordination of plural reservations (e.g., plural trip segments; transportation and accommodation, etc.) : Including a payment switch or gateway)

Patent 5311426: Apparatus and method for providing assay calibration data
(CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING : ANALYZER, STRUCTURED INDICATOR, OR MANIPULATIVE LABORATORY DEVICE : Miscellaneous laboratory apparatus and elements, per se : Container : With thermoelectric detector)

Patent 5311427: Method for removing artifact and for correcting sensitivity of single photon emission computerized tomography and apparatus thereof
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : With tomographic imaging obtained from electromagnetic wave : Including any system component contacting (internal or external) or conforming to body or body part)

Patent 5311428: Real time filter for data processing
(IMAGE ANALYSIS : IMAGE ENHANCEMENT OR RESTORATION : Image filter : Line thinning or thickening)

Patent 5311429: Maintenance support method and apparatus for natural language processing system
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : LINGUISTICS : Dictionary building, modification, or prioritization : Storage or retrieval of data)

Patent 5311430: Vehicle operation data recording apparatus
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle diagnosis or maintenance indication : With data recording device : Modification or correction of route information)

Patent 5311431: Method of obtaining the yawing velocity and/or transverse velocity of a vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Antiskid, antilock, or brake slip control : During cornering or turning of vehicle : Using a transmission ratio as feedback control)

Patent 5311432: Method and system for estimating the neutral point of a steering wheel
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Steering control : Artificial intelligence (e.g., fuzzy logic))

Patent 5311433: Acceleration slip control device for a vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Adaptive control)

Patent 5311434: Vehicle navigation system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : For use in a map data base system : Including route searching or determining device : Route correction, modification, or verification : Detection of O2 concentration)

Patent 5311435: Method for station keeping control of flexible spacecraft using onboard gain scheduling scheme
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Space orbits or paths : With radar or optical ground scanner)

Patent 5311436: Automatic rapid attachable warhead section
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Having identification controlled manufacturing operation)

Patent 5311437: Materials selector tool
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Design or planning : Material requirement : Knowledge based (e.g., expert system))

Patent 5311438: Integrated manufacturing system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Integrated system (Computer Integrated Manufacturing (CIM) : Positional with nonpositional)

Patent 5311439: Embroidery data processing system and method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Textile : Sewing : Embroidering :)

Patent 5311440: Methods and apparatus for correction of cable variations
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Parameter related to the reproduction or fidelity of a signal affected by a circuit under test : Transfer function type characteristics : Signal to noise ratio or noise figure)

Patent 5311441: Battery powered unit with battery sensor and resume processing control means
(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 5311442: Technology mapping apparatus for a combination circuit for use in automatically synthesizing an LSI logic circuit
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Logical circuit synthesizer : PLA, PLD, FPGA, OR MCM)

Patent 5311443: Rule based floorplanner
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Floorplanning : Constraint-based placement (e.g., critical block assignment, delay limits, wiring capacitance) : Timing analysis (e.g., delay time, path delay, latch timing))

Patent 5311444: Absorbance analyzer and data processing method for chromatograph
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Chemical analysis : Specific signal data processing : Using radiant energy)

Patent 5311445: Deconvoluted band representation for infrared spectrum compression
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Chemical analysis : Molecular structure or composition determination : Using radiant energy : Fluid flow investigation)

Patent 5311446: Signal processing system for sensing a periodic signal in the presence of another interfering signal
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Mechanical control system : Vibration or acoustic noise control : Specific thermally responsive controller)

Patent 5311447: On-line combustionless measurement of gaseous fuels fed to gas consumption devices
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Mechanical measurement system : Fluid measurement (e.g., mass, pressure, viscosity) : Radiant energy)

Patent 5311448: Programmable load board with programmable simulation of thermal dissipation characteristics
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : SIMULATING ELECTRONIC DEVICE OR ELECTRICAL SYSTEM : Chemical)

Patent 5311449: Sterilizable hand-held programmer/interrogator
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Interrogation response : Additional control : Programming (e.g., read/write) : Audible)

Patent 5311450: System and method of detecting authorized dismantlement of transaction machines
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Signal generation or waveform shaping)

Patent 5311451: Reconfigurable controller for monitoring and controlling environmental conditions
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Mechanical control system : HVAC control : Specific thermally responsive controller : Movable (e.g., rotatable))

Patent 5311452: Plasma processing apparatus using capacitance manometer and pressure control method thereof
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Pressure : Coordinate positioning)

Patent 5311453: Variable point sampling
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Mechanical control system : Vibration or acoustic noise control : Specific thermally responsive controller)

Patent 5311454: Digital multiplier-accumulator
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL HYBRID CALCULATING COMPUTER : Particular function performed : Multiplication or division :)

Patent 5311455: Portable computer having a hard disk drive mounted therein
(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 5311456: Arrangement for finding a group of contiguous channels in a channel group
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Detecting particular sequence of bits : Normalization)

Patent 5311457: Digital filter
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Having multiplexing : Tone detection)

Patent 5311458: CPU with integrated multiply/accumulate unit
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Sum of products generation : Overflow or underflow)

Patent 5311459: Selectively configurable integrated circuit device for performing multiple digital signal processing functions
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiplication of matrices : Overflow or underflow)

Patent 5311460: Method and apparatus for performing high speed divide operations
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Division : Binary)

Patent 5311461: Programmable priority and selective blocking in a compute system
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: VIRTUAL MACHINE TASK OR PROCESS MANAGEMENT OR TASK MANAGEMENT/CONTROL : TASK MANAGEMENT OR CONTROL : Process scheduling : Priority scheduling :)

Patent 5311462: Physical placement of content addressable memories
(STATIC INFORMATION STORAGE AND RETRIEVAL : ASSOCIATIVE MEMORIES : Magnetic)

Patent 5311463: Semiconductor memory device and manufacturing method thereof
(STATIC INFORMATION STORAGE AND RETRIEVAL : FORMAT OR DISPOSITION OF ELEMENTS : Magnetic)

Patent 5311464: Semiconductor memory cell farming a ROM cell from a RAM cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Flip-flop (electrical) : Complementary : Biax)

Patent 5311465: Semiconductor memory device that uses a negative differential resistance
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Semiconductive : Plural emitter or collector : Biax)

Patent 5311466: FLASH-EPROM with enhanced immunity from soft-programming of reference cells
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Drive circuitry (e.g., word line driver) : Verify signal)

Patent 5311467: Selective bulk write operation
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Semiconductive)

Patent 5311468: Random access memory with a serial register arranged for quick access of a second bit from an arbitrary address
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Multiplexing : Four or more devices per bit)

Patent 5311469: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Having particular data buffer or latch : Four or more devices per bit)

Patent 5311470: Data latch circuit having non-volatile memory cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Cross-coupled cell : Rectangular bars)

Patent 5311471: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Having particular data buffer or latch : Four or more devices per bit)

Patent 5311472: Redundant decoder circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)

Patent 5311473: Semiconductor memory with improved test mode
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)

Patent 5311474: Random access optical storage
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Optical : Particular wiring)

Patent 5311475: High speed full and empty flag generators for first-in first-out memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Serial read/write : Holographic)

Patent 5311476: Semiconductor memory, components and layout arrangements thereof, and method of testing the memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Data refresh : Holographic)

Patent 5311477: Integrated circuit memory device having flash clear
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Multiple port access : Alternate addressing (e.g., even/odd))

Patent 5311478: Integrated circuit memory with asymmetric row access topology
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Particular decoder or driver circuit : Alternate addressing (e.g., even/odd))

Patent 5311479: Semiconductor memory device having a CMOS decoding circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Virtual ground : Weak inversion injection)

Patent 5311480: Method and apparatus for EEPROM negative voltage wordline decoding
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Particular decoder or driver circuit : Alternate addressing (e.g., even/odd))

Patent 5311481: Wordline driver circuit having a directly gated pull-down device
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Particular decoder or driver circuit : Alternate addressing (e.g., even/odd))

Patent 5311482: Semiconductor integrated circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Particular decoder or driver circuit : Alternate addressing (e.g., even/odd))

Patent 5311483: Synchronous type semiconductor memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Magnetic)

Patent 5311484: Method and apparatus for petroleum and gas exploration
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Land-reflection type : Signal analysis and/or correction : Frequency dependent determination)

Patent 5311485: Fiber optic hydrophone
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Underwater type : Exclusive-type receiver : Electrically driven underwater bells or sirens)

Patent 5311486: Timing generation in an automatic electrical test system
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : COMBINED WITH DISPARATE DEVICE : Electrical device)

Patent 5311487: Electromechanical wristwatch with reading by touch
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : DISPLAYS OR DISPLAY DEVICE DETAILS : Dial or hand : For tactile time perception (e.g., braille clock) : Having a movable plate)

Patent 5311488: Action alarm clock
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : SIGNALLING MEANS : Time condition responsive (i.e., alarm) : Electrical : Of dial fasteners)

Patent 5311489: Optical head for recording, reproducing, or erasing information having fixed and movable head units
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Optical head servo system structure : Scanning turntable)

Patent 5311490: Access controlling device for use in an optical disk drive
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Initialization/start-up or changing modes of system : While track jumping or crossing : Means to mask or shield a portion of the beam)

Patent 5311491: Method of data recording for optical disc having burst modulated track
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONTROL OF STORAGE OR RETRIEVAL OPERATION BY A CONTROL SIGNAL TO BE RECORDED OR REPRODUCED : Control of information signal processing channel : For phase, timing, or rate processing : Using a reproduced information of specified preformat, header, or reference area)

Patent 5311492: Recording/reproducing apparatus for recording starting identification information prior to a recording start position
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONTROL OF STORAGE OR RETRIEVAL OPERATION BY A CONTROL SIGNAL TO BE RECORDED OR REPRODUCED : For copying : Arithmetic operation using plural photodetectors)

Patent 5311493: Data reproduction circuit for converting a read analog signal
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : BINARY PULSE TRAIN INFORMATION SIGNAL : Binary signal level detecting using a reference signal : Plural reference signals : Signal error correcting or detecting)

Patent 5311494: Optical disk apparatus and optical head
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Tracks transverse to a motion component)

Patent 5311495: Optical system for converging light beams to form a single beam spot on an optical disc
(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 : Prism : Sectioned element)

Patent 5311496: Achromatic expansion prism for magneto-optical drive
(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 : Polarized or polarizing : Sectioned optical element : Prism, mirror, or waveguide section : Prism, mirror, or waveguide section)

Patent 5311497: Pickup feeding apparatus for a double-sided reproducing disc player
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : DYNAMIC MECHANISM OPTICAL SUBSYSTEM : Having power driven optical transducer assembly : Single optical transducer plays both sides of disc record : Voice coil)

Patent 5311498: Recording and reproducing apparatus provided in each data block with a secret information number
(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 5311499: Method and apparatus for erasing information from optical recording tape with a thermo-deforming layer
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Optical track structure (e.g., phase or diffracting structure, etc.) : Erasable, reversible or re-recordable : Disc holding or locating (e.g., spindle structure))

Patent 5311500: Magneto-optical disk
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Specified material : Laminated or unified discrete layers)

Patent 5311501: Routing system for linear add-drop multiplexer
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Routing circuit switched traffic through a packet switching network)

Patent 5311502: Method for maintaining connections given an at least partial outage of connecting paths
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative station : Standby switch)

Patent 5311503: Terminal apparatus for full-duplex data transmission having an echo canceller
(MULTIPLEX COMMUNICATIONS : DUPLEX : Transmit/receive interaction control : Echo suppression or cancellation : Using a particular adaptive filter : Including cancellation of certain signals)

Patent 5311504: Base station for a mobile digital system with the frequency hopping technique
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Having both time and frequency assignment : Including onboard switching)

Patent 5311505: Method and device for multiplexing
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Polling : Arbitration for access between contending stations)

Patent 5311506: Switching network for switching channels
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Time switch, per se (e.g., T or T-T) : Having details of control storage arrangement : Having details of control storage arrangement)

Patent 5311507: Automated interactive mass communications system
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Channel reservation scheme)

Patent 5311508: Apparatus for receiving and decoding a serial data packet containing the status of a network of single point I/O devices
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Byte assembly and formatting : Transmission of a single message having multiple packets)

Patent 5311509: Configurable gigabits switch adapter
(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 : Employing logical addressing for routing (e.g., VP or VC) : Data memory addressing)

Patent 5311510: Data storing system for a communication control circuit
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Store and forward : Space switching)

Patent 5311511: SONET DS-N desynchronizer
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Synchronizing : Adjusting for phase or jitter : Unique synchronization word or unique bit sequence)

Patent 5311512: Multiple-master digital communication technique utilizing a dedicated contention bus
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Using a separate control line or bus for access control : Control line is used to request or reserve access : TASI (Time Assignment Speech Interpolation))

Patent 5311513: Rate-based congestion control in packet communications networks
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Control of data admission to the network : Spare channel)

Patent 5311514: Driver for bus circuit of motor vehicle multiplex communications system
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Bus switch : Multiple access (e.g., TDMA))

Patent 5311515: Method and apparatus for the control of local area network multi-station access units
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative station : In a ring or loop network : Standby switch)

Patent 5311516: Paging system using message fragmentation to redistribute traffic
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Portable address responsive receiver : Using time division multiplexing : Start-Stop)

Patent 5311517: Highly-efficient time-division data multiplexing apparatus
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Store and forward : Space switching)

Patent 5311518: ISDN interface circuit and system using the same
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Input or output circuit, per se (i.e., line interface) : Channel reservation scheme)

Patent 5311519: Multiplexer
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Multiplexing plural input channels to a common output channel : Plural input channels of same rate to a single common rate output channel : Multiple levels of multiplexing to form a multiplex hierarchy : Delay based upon propagation delay time)

Patent 5311520: Method and apparatus for programmable memory control with error regulation and test functions
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Memory testing : Error mapping or logging : Special test pattern (e.g., checkerboard, walking ones))

Patent 5311521: Method and apparatus for implementing post-modulation error correction coding scheme
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Double encoding codes (e.g., product, concatenated) : Bus or I/O channel device fault)

Patent 5311522: Error correction and/or detection device for product code block data
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Double encoding codes (e.g., product, concatenated) : Bus or I/O channel device fault)

Patent 5311523: Carrier phase synchronous type maximum likelihood decoder
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward error correction by tree code (e.g., convolutional) : Maximum likelihood : Syndrome computed)

Patent 5311524: Fault tolerant three port communications module
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Error/fault detection technique : Comparison of data : Sequential repetition : True and complement data : Tape)

Patent 5311525: Nonlinear optical coupler using a doped optical waveguide
(COHERENT LIGHT GENERATORS : OPTICAL FIBER LASER :)

Patent 5311526: Article that comprises a semiconductor laser, and method of operating the article
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Modulation : Frequency multiplying (e.g., harmonic generator))

Patent 5311527: Method for automatically adjusting the optical axis of a laser resonator
(COHERENT LIGHT GENERATORS : PARTICULAR OPERATING COMPENSATION MEANS : Optical output stabilization)

Patent 5311528: Solid-state laser device capable of stably producing an output laser beam at high power
(COHERENT LIGHT GENERATORS : PARTICULAR TEMPERATURE CONTROL : Liquid coolant : Frequency)

Patent 5311529: Liquid stabilized internal mirror lasers
(COHERENT LIGHT GENERATORS : PARTICULAR TEMPERATURE CONTROL : Liquid coolant : Frequency)

Patent 5311530: Semiconductor laser array
(COHERENT LIGHT GENERATORS : PARTICULAR TEMPERATURE CONTROL : Heat sink : Frequency)

Patent 5311531: Light generator, in particular for conveying a microwave signal
(COHERENT LIGHT GENERATORS : PARTICULAR COMPONENT CIRCUITRY : Controlling current or voltage to laser : Frequency)

Patent 5311532: Calcium-yttrium silicate oxyapatite lasers
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Insulating crystal : Frequency)

Patent 5311533: Index-guided laser array with select current paths defined by migration-enhanced dopant incorporation and dopant diffusion
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular current control structure : With saturable absorption layer)

Patent 5311534: Semiconductor laser devices
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular current control structure : With saturable absorption layer)

Patent 5311535: Monolithic laser diode array providing emission from a minor surface thereof
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Monolithic integrated : Laser array :)

Patent 5311536: Vertically stacked, accurately positioned diode lasers
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Monolithic integrated : Laser array :)

Patent 5311537: Ion laser tube
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Gas : Discharge tube feature : Monolithic integrated)

Patent 5311538: Case-mounted RLG readout having block mounted optical sensor
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Folded cavity : Having a ring configuration : Hollow electrode)

Patent 5311539: Roughened sidewall ridge for high power fundamental mode semiconductor ridge waveguide laser operation
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Distributed feedback : Having a ring configuration)

Patent 5311540: Laser with coupled optical waveguides
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Plural cavities : Having a ring configuration)

Patent 5311541: Frequency agile radio
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Hybrid form :)

Patent 5311542: Spread spectrum communication system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM :)

Patent 5311543: Television transmission system using two stages of spead-spectrum processing
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : End-to-end transmission system : Having specific code acquisition or tracking)

Patent 5311544: Receiver of a direct sequence spread spectrum system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : Receiver : Matched-filter-type receiver : Having SAW or charge-transfer device)

Patent 5311545: Modem for fading digital channels affected by multipath
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Adaptive : Matched-filter-type receiver)

Patent 5311546: Carrier phase recovery for an adaptive equalizer
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Adaptive : Matched-filter-type receiver)

Patent 5311547: Partial-response-channel precoding
(PULSE OR DIGITAL COMMUNICATIONS : MULTILEVEL : Partial response : Phase shift keying)

Patent 5311548: Digital control electronic having a pulse width modulated (PWM)-output signal for the control of electric control elements of a hydraulic
(PULSE OR DIGITAL COMMUNICATIONS : PULSE WIDTH MODULATION : Automatic)

Patent 5311549: Method and system for processing the pre-echoes of an audio-digital signal coded by frequency transformation
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Locating predetermined portion of pulse : Separate mark and space channels)

Patent 5311550: Transmitter, transmission method and receiver
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Plural channels for transmission of a single pulse train : Single bit (delta))

Patent 5311551: Digital signal hardware protection switching
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Plural channels for transmission of a single pulse train : Single bit (delta))

Patent 5311552: Trellis coding technique to improve adjacent channel interference protection ratio in land mobile radio systems
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Plural channels for transmission of a single pulse train : Quadrature amplitude modulation : Trellis encoder or Trellis decoder : Syllabic)

Patent 5311553: Trellis coding technique to increase adjacent channel interference protection ratio in land mobile radio systems under peak power
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Plural channels for transmission of a single pulse train : Quadrature amplitude modulation : Trellis encoder or Trellis decoder : Syllabic)

Patent 5311554: Synchronized offset extraction in a data receiver
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Keying circuits)

Patent 5311555: Phase divider for complex signals
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Angle modulation : Phase shift keying : Plural phase (>2) : More than two phases)

Patent 5311556: Digital FSK transmitter receiver and method of operating same
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Angle modulation : Frequency shift keying : Biphase (manchester code))

Patent 5311557: Circular limiter for use in a receiver to reduce the effects of signal distortion
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Maximum likelihood decoder or viterbi decoder : Separate mark and space channels)

Patent 5311558: Data receiver comprising a control loop with reduced sampling frequency
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Correlative or matched filter)

Patent 5311559: Apparatus for correcting waveform distortion
(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 5311560: Frequency synthesizer
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Phase locking : Phase locked loop : More than two phases)

Patent 5311561: Method and apparatus for compressing a digital input signal with block floating applied to blocks corresponding to fractions of a critical
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Automatic)

Patent 5311562: Plant maintenance with predictive diagnostics
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : WITH CONTROL OF REACTOR (E.G., CONTROL OF COOLANT FLOW) : By electronic signal processing circuitry (e.g., plural redundant circuits) : Wherein control element includes a fissile material)

Patent 5311563: Storage frame for nuclear reactor fuel assemblies
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM : Storage container systems for new and/or irradiated core elements : Upper axial transfer)

Patent 5311564: Spacer for fuel assemblies
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : FUEL COMPONENT STRUCTURE : Plural fuel segments or elements : In pack or bundle : Including grid : With nonintegral fuel element contacting means : With particular heat exchanger structure)

Patent 5311565: Soft X-ray microscope
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Telescope or microscope : Fluoroscopy)

Patent 5311566: In-situ x-ray treatment of organically contaminated material
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Absorption : Irradiating : Combined with non-X-ray imaging)

Patent 5311567: Identification flasher X-ray film labeling unit
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : AUXILIARY DATA ACQUISITION OR RECORDING : Patient or exposure data : With light projection : With pivotal leaf motion)

Patent 5311568: Optical alignment means utilizing inverse projection of a test pattern/target
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : ACCESSORY : Alignment : Fluid immersion)

Patent 5311569: Line-based public safety answering point
(TELEPHONIC COMMUNICATIONS : EMERGENCY OR ALARM COMMUNICATIONS (E.G., WATCHMAN'S CIRCUIT) : Central office responsive to emergency call or alarm (e.g., "911", operator position display) : Intrusion)

Patent 5311570: Integration of wireless paging in a communication system
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Special service : Call diversion : Format conversion (e.g., text, audio, etc.))

Patent 5311571: Method and apparatus for performing inbound calling in a wireless communication system having fixed communication units coupled to a
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Including other radio communication system (e.g., cordless telephone, paging, trunking, etc.) : Subscriber equipment)

Patent 5311572: Cooperative databases call processing system
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Call diversion (e.g., call capture) : Call forwarding : No answer (e.g., ringing signal, on-hook, idle))

Patent 5311573: Facsimile apparatus
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Including infra-red link with landline telephone network)

Patent 5311574: Automatic customer call back for automatic call distribution systems
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Repetitive call attempts (e.g., camp-on-busy, retry) : Ringing signal (e.g. having a predetermined cadence or distinctive ring))

Patent 5311575: Telephone signal classification and phone message delivery method and system
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Voice activation or recognition : Reproduced signal distributed over telephone line)

Patent 5311576: Adjunct processor embedded in a switching system
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Message management : Controlled by subscriber or caller : Message storage in centralized location (e.g., central office, PBX, etc.) : Recording voice message from non subscriber caller : Determining fault location)

Patent 5311577: Data processing system, method and program for constructing host access tables for integration of telephony data with data processing systems
(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 : Sales, ordering, or banking system : Among at least three terminal types)

Patent 5311578: Technique for automatic identification of a remote 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 : Protocol : Initial setup :)

Patent 5311579: Image communication apparatus with instructed communication result transmittal
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : To produce visual-graphic copy (e.g., facsimile) : Communication status notification : Having acoustic link)

Patent 5311580: Communication apparatus for providing a modulated analog wave
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : To produce visual-graphic copy (e.g., facsimile) : Usage system : Having acoustic link)

Patent 5311581: Remote meter reading method and apparatus
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : Remote indication over telephone line (e.g., telemetry) : Meter reading : Having interrogation signal : Line powered)

Patent 5311582: Integrated cocot and regulated paystation telephone system
(TELEPHONIC COMMUNICATIONS : WITH CHECK OPERATED CONTROL (E.G., PAYSTATION) : Including DTMF signal)

Patent 5311583: International priority calling system with callback features
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Reserved call (e.g., return call, call back, scheduled call, reestablished call) : Ringing signal (e.g. having a predetermined cadence or distinctive ring))

Patent 5311584: Telecommunications call-processing arrangement
(TELEPHONIC COMMUNICATIONS : PLURAL EXCHANGE NETWORK OR INTERCONNECTION : Routing parameter (e.g., area code, address, service provider identifier) : Local number portability (LNP))

Patent 5311585: Carrier proportioned routing
(TELEPHONIC COMMUNICATIONS : PLURAL EXCHANGE NETWORK OR INTERCONNECTION : With interexchange network routing : Alternate routing : Service provider selection (e.g., local or long distance, primary and alternate carriers) : Expiration of predetermined time period)

Patent 5311586: Dynamic routing-administration
(TELEPHONIC COMMUNICATIONS : PLURAL EXCHANGE NETWORK OR INTERCONNECTION : Routing parameter (e.g., area code, address, service provider identifier) : Local number portability (LNP))

Patent 5311587: Sensor circuit for telephone line
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Using line or loop condition detection (e.g., line circuit) : Silencing ring signal)

Patent 5311588: Call progress detection circuitry and method
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Using line or loop condition detection (e.g., line circuit) : Silencing ring signal)

Patent 5311589: Apparatus and method for audible signaling tone recognition
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Signal receiver (e.g., tone decoder) : Relayless)

Patent 5311590: Protocol adaptation
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Adaptive : Arbitration for access between contending stations)

Patent 5311591: Computer system security method and apparatus for creating and using program authorization information data structures
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : MULTIPLE COMPUTER COMMUNICATION USING CRYPTOGRAPHY : Central trusted authority provides computer authentication : By certificate :)

Patent 5311592: Sagnac interferometer based secure communication system
(CRYPTOGRAPHY : COMMUNICATION SYSTEM USING CRYPTOGRAPHY : Fiber optic network : Including addressed decoder control signal)

Patent 5311593: Security system for a network concentrator
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : MULTIPLE COMPUTER COMMUNICATION USING CRYPTOGRAPHY : Having particular address related cryptography : Data authentication)

Patent 5311594: Fraud protection for card transactions
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : SYSTEM ACCESS CONTROL BASED ON USER IDENTIFICATION BY CRYPTOGRAPHY : Solely password entry (no record or token) : Message digest travels with message)

Patent 5311595: Method of transferring data, between computer systems using electronic cards
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : MULTIPLE COMPUTER COMMUNICATION USING CRYPTOGRAPHY : Particular communication authentication technique : Mutual entity authentication : Revocation or expiration)

Patent 5311596: Continuous authentication using an in-band or out-of-band side channel
(CRYPTOGRAPHY : COMMUNICATION SYSTEM USING CRYPTOGRAPHY : Wireless communication : Using plural paths or channels : Wobbling of carrier)

Patent 5311597: Deferred optical character recognition active pigeon hole sorting of mail pieces
(IMAGE ANALYSIS : APPLICATIONS : Mail processing :)

Patent 5311598: Method and apparatus for surface inspection
(IMAGE ANALYSIS : APPLICATIONS : Manufacturing or product inspection : Inspection of semiconductor device or printed circuit board : Fault or defect detection :)

Patent 5311599: Method and apparatus for optical testing of samples
(IMAGE ANALYSIS : APPLICATIONS : Manufacturing or product inspection : Reading MICR data)

Patent 5311600: Method of edge detection in optical images using neural network classifier
(IMAGE ANALYSIS : LEARNING SYSTEMS : Neural networks : Tool, workpiece, or mechanical component inspection)

Patent 5311601: Hierarchical pattern recognition system with variable selection weights
(IMAGE ANALYSIS : LEARNING SYSTEMS : Neural networks : Network structures : Alignment, registration, or position determination)

Patent 5311602: Circuit for compressing digital images while retaining image fidelity
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Context analysis or word recognition (e.g., character string))

Patent 5311603: Highly efficient superfluorescent fiber laser/amplifier for interferometric sensors
(OPTICAL WAVEGUIDES : POLARIZATION WITHOUT MODULATION : Electro-optic)

Patent 5311604: Method of manufacturing devices for optical fiber networks, and devices manufactured thereby
(OPTICAL WAVEGUIDES : INTEGRATED OPTICAL CIRCUIT : Including physical deformation or movement of waveguide)

Patent 5311605: Optical devices incorporating slow wave structures
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling function : Slip ring)

Patent 5311606: Optical filter and optical amplifier employing said optical filters
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Input/output coupler : Lens : Mode strippers)

Patent 5311607: Facsimile machine for printing documents all with corresponding edges aligned but without requiring scanning
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Measuring image properties (e.g., length, width, or area) : Determining amount an image is rotated or skewed : Where the image is a character, word, or text : Counting difference pixels)

Patent 5311608: Molding of optical components using optical fibers to form a mold
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling structure : Waveguide to waveguide : Directional coupler)

Patent 5311609: Optical fiber connector
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Structure surrounding optical fiber-to-fiber connection : Multi-part (e.g., two pieces screwed together or bayonet latched) : With additional structure at or immediately surrounding each optical fiber end face : Fiber end held in ferrule :)

Patent 5311610: Low-stress coupling of electrooptical device to optical fiber
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Optical fiber to a nonfiber optical device connector : With housing : Fiber permanently fixed after adjustment)

Patent 5311611: Imaging ball lens optically immersed with a fiber optic faceplate
(OPTICAL WAVEGUIDES : OPTICAL FIBER BUNDLE : Fiber bundle plate : With lens or mirror)

Patent 5311612: Cassette for optical fibers
(OPTICAL WAVEGUIDES : ACCESSORIES : Splice box and surplus fiber storage/trays/organizers/ carriers : Channel waveguide)

Patent 5311613: Attenuator for integration into optical transmission systems and methods for fabrication and use thereof
(OPTICAL WAVEGUIDES : ACCESSORIES : Attenuator : Fiber holder (i.e., for single fiber or holding multiple single fibers together))

Patent 5311614: Single mode fiber optic variable attenuator with supported optical fiber
(OPTICAL WAVEGUIDES : ACCESSORIES : Attenuator : Fiber holder (i.e., for single fiber or holding multiple single fibers together))

Patent 5311615: Method of changing speeds in a multi-polar electric motor of the constant flux type, and a motorized fan unit with change of speed
(ELECTRICITY: MOTOR CONTROL SYSTEMS : OPEN LOOP SPEED CONTROL SYSTEM FOR DC MOTOR WITH COMMUTATOR : Analog armature control : By control of motor structure : Position or number of brushes :)

Patent 5311616: Body freshener
(ELECTRIC RESISTANCE HEATING DEVICES : : Vaporizer : Liquid evaporant (e.g., water, etc.) : With crucible)

Patent 5311617: Physiologic toilet attachment
(BATHS, CLOSETS, SINKS, AND SPITTOONS : SEAT : Hinges)

Patent 5311618: Commode seat spacer assembly
(BATHS, CLOSETS, SINKS, AND SPITTOONS : SEAT : Superposed : Water level actuated)

Patent 5311619: Device for opening and closing toilet seat
(BATHS, CLOSETS, SINKS, AND SPITTOONS : OPENER OR CLOSER FOR A CLOSET SEAT OR LID : Specific material)

Patent 5311620: Outdoor portable shower
(BATHS, CLOSETS, SINKS, AND SPITTOONS : SHOWER (E.G. STALL, WITH WALLS, RECEPTOR, AND SPRAY) : Collapsible or expandable : Means for securing tub in place)

Patent 5311621: Shower unit
(BATHS, CLOSETS, SINKS, AND SPITTOONS : MEANS FOR SPRAYING USER : Particular construction)

Patent 5311622: Patient handling device
(BEDS : WITH MEANS FOR RELOCATING AN INVALID (E.G., PATIENT LIFT OR TRANSFER) : Rotatable platform type : Including specific structure (e.g., clamp) attaching device to bed)

Patent 5311623: Hydropneumatic mattress
(BEDS : WATERBED OR ASSOCIATED DEVICE : Having plural, distinct removable bladders : Fiber containing)

Patent 5311624: Mattress having 2-ply moisture barrier and replaceable upholstery
(BEDS : MATTRESS (FOR WHOLE BODY) : Having waterproof or allergenproof outer surface : Toilet or bedpan means)

Patent 5311625: Portable, integrated, universally adjustable position control system
(BEDS : INVALID BED OR SURGICAL SUPPORT : Sectional user supporting surface : Hydraulically operated : Fluid inflatable bag adjusts position of support section : Intermediate section seat post)

Patent 5311626: Process for the wet treatment of textile tubular fabric
(BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS : FLUID TREATMENT (MANIPULATIVE) : Combined liquid and gas or vapor : With fat solvent)

Patent 5311627: Method and apparatus for discontinuous wet treatment of a hank of fabric
(BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS : FLUID TREATMENT (MANIPULATIVE) : Special forms and forming : Running lenghts : Piling : Reactant contains isocyanate group)

Patent 5311628: Dock leveler with an improved automatic material handling vehicle barrier
(BRIDGES : GANGWAY, RAMP, OR DOCK LEVELER : Attached : Boat operated)

Patent 5311629: Deck replacement system with improved haunch lock
(BRIDGES : DECK : Joint : With lift means)

Patent 5311630: Rotary eraser
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : MACHINES : Erasing : With conservation or recovery of the cleaning agent)

Patent 5311631: Cleaning apparatus for spas and hot tubs
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : SUBMERGED CLEANERS WITH AMBIENT FLOW GUIDES : Hand implement)

Patent 5311632: Ultrasonic plaque removal device
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : MACHINES : Brushing : Handle mount : Width changes along transverse dimension)

Patent 5311633: Electric power driven toothbrush
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : MACHINES : Brushing : Handle mount : Rotary disk : Traction operated)

Patent 5311634: Sponge cleaning pad
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : MACHINES : Wiping : Shakers)

Patent 5311635: Shower bath aid
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : IMPLEMENTS : Sponge or sponge with holder : Having fabric cover or back : Simultaneously useable)

Patent 5311636: Windshield wiper frame
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : ATTACHMENTS : Optical-member-attachable cleaner (e.g., windshield wiper) : Wind deflecting means : Electrical)

Patent 5311637: Vacuum apparatus for cleaning fireplace flues
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : MACHINES : With air blast or suction : Fixed position cleaners or installed cleaning systems : By attached line)

Patent 5311638: Cleaning device
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : MACHINES : With air blast or suction : With liquid or other cleaning material application to work : Manipulatable nozzle with flexible conduit connection to portable power and/or material supply unit, e.g., window washer : Sequence control)

Patent 5311639: System for detecting and removing foreign object debris
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : MACHINES : With air blast or suction : Illuminator for work area : Nozzles)

Patent 5311640: Dental vacuum apparatus
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : MACHINES : With air blast or suction : With dust or dirt handling or storing or separating, e.g., filter bags : With liquid and/or deflection type separator : Handle movable relative to floor tool air exhaust conduit)

Patent 5311641: Apparatus for determining any contamination of dust, etc., in a duct prior to cleaning the duct
(BRUSHING, SCRUBBING, AND GENERAL CLEANING : MACHINES : With air blast or suction : Air blast only : For hollow work, internal cleaning, e.g., tube soot-blowers : Dry mop type, e.g., textile strand or sheet pelt)

Patent 5311642: Door closer with a detent for holding a door open and the detent therefor
(MISCELLANEOUS HARDWARE : CHECKS AND CLOSERS : Spring and lever : Spring and lever)

Patent 5311643: Hinge for a foldable rail section for mounting a container of an oxygen supply unit in an aircraft
(MISCELLANEOUS HARDWARE : HINGE : Having means to facilitate assembly and disassembly of hinge sections to join or disjoin hinged members : Separation of pivotal contacting surfaces : Hook and pin : At specific angular orientation of hinge sections)

Patent 5311644: Hinge having stop notches for a door, particularly a car door
(MISCELLANEOUS HARDWARE : HINGE : Including means to hold or retard hinged members against pivotal movement (e.g., catch) : Resiliently biased catch : Plural alternately useable detents : And catch receiving socket)

Patent 5311645: Can distribution apparatus
(TEXTILES: FIBER PREPARATION : ASSEMBLING : Formed silvers : Coiling : Can changing : Gripping feed to fiber separator)

Patent 5311646: Bag closure element
(BUCKLES, BUTTONS, CLASPS, ETC. : BAG FASTENERS : Resilient slot bag tie : Separate connections)

Patent 5311647: Jewelry closure having both magnetic and mechanical clasps
(BUCKLES, BUTTONS, CLASPS, ETC. : HAVING MAGNETIC FASTENER : Strap connector)

Patent 5311648: Closure attachment assembly
(BUCKLES, BUTTONS, CLASPS, ETC. : ZIPPER OR REQUIRED COMPONENT THEREOF : Stocking top)

Patent 5311649: Fastener with a fixing piece
(BUCKLES, BUTTONS, CLASPS, ETC. : SEPARABLE-FASTENER OR REQUIRED COMPONENT THEREOF (E.G., PROJECTION AND CAVITY TO COMPLETE INTERLOCK) : Including member having distinct formations and mating member selectively interlocking therewith : Projection having movable connection between components thereof or variable configuration : Including resiliently biased projection component or surface segment : Forming total external surface of projection : Having inserted end formed by oppositely biased surface segments : Having dome-shaped head and expansion slit along side)

 

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