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Patent 5638187: Image dithering method enabling conversion of a gray level pixel image into a binary pixel image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Multi-level image reproduction (e.g., gray level reproduction) : Halftoning (e.g., a pattern of print elements used to represent a gray level) : Dithering (e.g., spatial distribution of print elements by threshold matrix) : Ordered dithering (e.g., deterministic or systematic) : Clustered pattern :)
Patent 5638188: Image processing method and apparatus with storing and selecting of dot patterns
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Multi-level image reproduction (e.g., gray level reproduction) : Error diffusion in gray level or halftone generation :)
Patent 5638189: Raster scanner, mirror supporting structure of the same and method for adjusting mirror angle using the structure
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Coherent light : Including a polygon reflector : Stochastic or random dithering)
Patent 5638190: Context sensitive color quantization system and method
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)
Patent 5638191: Image forming apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Image reproduction : Ink-Jet : Mechanical arrangement for forming a printing surface)
Patent 5638192: Image processing apparatus for converting color to predetermined image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : With memory for storage of conversion data)
Patent 5638193: Method and apparatus for azimuthal multiplexing of holograms
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using modulated or plural reference beams : Spatial, phase or amplitude modulation : Crystalline material)
Patent 5638194: Polymer dispersed ferroelectric liquid crystal display device and a method for producing the same
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Microencapsulated or polymer dispersed liquid crystal : With each cell displaying a different pattern)
Patent 5638195: Liquid crystal display device for improved halftone display
(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) : Matrix electrodes : For parallel alignment)
Patent 5638196: Driving method for optical modulation device
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Waveform generation : Ferroelectric liquid crystal elements : Smooth or continuous)
Patent 5638197: Inorganic thin film compensator for improved gray scale performance in twisted nematic liquid crystal displays and method of making
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Polarizer : Formed by particular technique)
Patent 5638198: Color filter in multiplicity of filaments for electronic displays
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Filter : With particular non-zero and non-90 angle between opposite polarization axes)
Patent 5638199: Liquid crystal display device and method for repairing defective portions thereof
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Filter : Opaque mask or black mask : With unequal areas for different colors or with fractional shift between one line of colors and the next)
Patent 5638200: Liquid crystal display with tilted retardation film
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Compensator or retarder (i.e., not using liquid crystal cell) : Cholesteric reflector)
Patent 5638201: Optically active diffractive device
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Particular nonoptical film or layer (e.g., adhesive layer, barrier layer) : Alignment layer : With plural alignments on the same substrate : Having structure produced by rubbing under particular rubbing conditions (e.g., particular direction, rubbing force, by using named rubbing material or roller, etc.))
Patent 5638202: Liquid crystal windshield display
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Heads-up display : Plural light path projectors)
Patent 5638203: Liquid crystal electrooptical device
(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) : Insulating layer)
Patent 5638204: Optical power amplifier with Al.sub.2 O.sub.3 and erbium doped active fiber
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Optical fiber : Pumping : Interferometer or interference)
Patent 5638205: Layer system with a controllable heat emission
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Beam combination or separation)
Patent 5638206: Confocal optical microscope and length measuring device using this microscope
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Two or more in a series)
Patent 5638207: Flare-prevention optical system, flare-prevention method, and flying height tester
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : With plural optical axes : Plural oculars : Binocular : Electron beam causes surface alteration)
Patent 5638208: Projection screen with retro-reflective calibration points, placement tool and method
(OPTICAL: SYSTEMS AND ELEMENTS : PROJECTION SCREEN : Lens)
Patent 5638209: Mirror apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : PROTECTION FROM MOISTURE OR FOREIGN PARTICLE : Extension of tubular element adjustable)
Patent 5638210: Zoom lens having a vibration correcting optical system
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : By movable refractive structure : Having plural reflecting surfaces)
Patent 5638211: Method and apparatus for increasing the resolution power of projection lithography exposure system
(OPTICAL: SYSTEMS AND ELEMENTS : DIFFRACTION : Using Fourier transform spatial filtering : Having plural reflecting surfaces)
Patent 5638212: Method of manufacturing a diffractive surface profile
(OPTICAL: SYSTEMS AND ELEMENTS : DIFFRACTION : From grating : Including particular grating characteristic : Including a threaded member)
Patent 5638213: Wide field eyepiece
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Eyepiece : Including prismatic element)
Patent 5638214: Luneburg lens with a graded index core and homogeneous cladding
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With graded refractive index : Having a radial gradient : Having less than four components)
Patent 5638215: Objective lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Fluid : Having less than four components)
Patent 5638216: Zoom lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Having seven or less components)
Patent 5638217: Lens control device
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : Motor driven : Condition responsive : Auto focusing : With single or parallel objectives)
Patent 5638218: Catadioptric projection apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With reflecting element : Including concave or convex reflecting surface : Objective for laser (e.g., optical disc, etc.))
Patent 5638219: Ultracompact complex optical device
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With reflecting element : Including concave or convex reflecting surface : With aspheric surface (e.g., Schmidt lens, etc.) : With concave and convex reflectors in series : Auto focusing)
Patent 5638220: Device for producing ring-shaped laser spot
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With light limiting or controlling means : Diaphragm : Two components)
Patent 5638221: Optical system of optical information recording/reproducing apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Multiple component lenses : Two components : + + + Arrangement)
Patent 5638222: Optical element positioning device
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens movable in its plane : Electromagnetic motive power : With third component biconvex)
Patent 5638223: Projection type exposure apparatus and method with detachable and attachable lens barrel units
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Detachably attached (e.g., plate, barrel, etc.) : With axial adjustment (e.g., adjustable focus, etc.))
Patent 5638224: Tape dubbing and divided master tape producing system
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD COPYING : Motion picture film)
Patent 5638225: Magnetic disc apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORDING OR REPRODUCING AN INFORMATION SIGNAL AND A CONTROL SIGNAL FOR CONTROLLING ELECTRONICS OF REPRODUCER : Time division)
Patent 5638226: System having controlled polarity adding odd and/or even numbers of equalization transitions depending upon pulse polarity
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : In specific code or form : With magnetic bias)
Patent 5638227: Digital data recording and reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data in specific format : Intra-cell transition)
Patent 5638228: Retroreflective marker for data storage cartridge
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Recording-or erasing-prevention : With incremental movement between record and head)
Patent 5638229: Method for detecting an information recorded position in an information reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Locating specific areas : Responsive to tape transport :)
Patent 5638230: Digital servo control system for use in disk drives
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track changing : For rotary carrier (e.g., disc) : Plural tapes)
Patent 5638231: Magnetic recording and reproducing device having no moveable slanting posts
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)
Patent 5638232: Recording and/or reproducing apparatus for tape-shaped recording medium
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)
Patent 5638233: Magnetic disk drive motor having a fixed shaft with circumferential grooves for integrating the bearing therewith and having a disc
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Rotational drive detail : Movable drive : Motorized)
Patent 5638234: Flexure with reduced unloaded height for hard disc drive heads
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Gimbal detail : Integral with load beam : Pivot/load button detail)
Patent 5638235: Magnetic storage system with canted hardbias magnetoresistive head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having Anisotropic Magnetoresistive (AMR) sensor formed of a single thin film : Detail of longitudinal biasing : Using a permanent magnet : Voice coil adjuster)
Patent 5638236: Tape cartridge having a single use cleaning leader which utilizes rupturable pouches of cleaning solvent
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Nonmetallic)
Patent 5638237: Fusible-link removable shorting of magnetoresistive heads for electrostatic discharge protection
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Nonmetallic)
Patent 5638238: Magnetic head device with magnetic tape guides
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head accessory : Record guide : Tape record : Using conductor)
Patent 5638239: Tape cassette having a plurality of detection holes for use with a recording/reproducing device having a dection pin located in one of a
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : Pressure element)
Patent 5638240: Structure for moving disk cartridge shutter
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)
Patent 5638241: Disk cartridge having head loading/unloading ramps
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)
Patent 5638243: Miswiring indicator in ground fault protection devices
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Ground fault protection : Transformer with structurally combined protective device)
Patent 5638244: Apparatus and methods for generating uninterruptible AC power signals
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Feeder protection in distribution networks : Reclosing of the nonfaulty phases of a polyphase system)
Patent 5638245: Electric power cut-off detection unit for a monitor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific quantity comparison means : Voltage : With time delay protective means)
Patent 5638246: Semiconductor device having a protection circuit, and electronic system including the same
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Circuit interruption by thermal sensing : With mechanical circuit breaker)
Patent 5638247: Circuit configuration for monitoring a plurality of coils
(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 5638248: Static dissipator
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : DISCHARGING OR PREVENTING ACCUMULATION OF ELECTRIC CHARGE (E.G., STATIC ELECTRICITY) : Specific conduction means or dissipator : Brush- or roller-type structure : Chain-type grounding means)
Patent 5638249: Electrostatic support system
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTRIC CHARGING OF OBJECTS OR MATERIALS : Specific conduction means or dissipator)
Patent 5638250: Capacitor provided with internal protection
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : With protection or compensating means : For electrical irregularities : With thermal fuse : Threshold device (neon tube))
Patent 5638251: Capacitive thin films using diamond-like nanocomposite materials
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Plural dielectrics : Layered : With adjustment means)
Patent 5638252: Electrical device and method utilizing a positive-temperature-coefficient ferroelectric capacitor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Ceramic, glass, or oxide particles : Ceramic and glass)
Patent 5638253: Package-type solid electrolytic capacitor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROLYTIC SYSTEMS OR DEVICES : Solid electrolytic capacitor (e.g., dry electrolytic capacitor) : Casing : With significant lead)
Patent 5638254: Gas insulated switch gear device
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Distribution station (i.e., substation) : Gas insulated : Oxide film)
Patent 5638255: Power protection and distribution module
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Distribution or control unit : Having busbar arrangement : Shutter type)
Patent 5638256: Combination service entrance device for temporary and permanent use
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Electrical service distribution box : Busbar or conductor arrangements)
Patent 5638257: Combination keyboard and cover for a handheld computer
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including keyboard support : Fluid)
Patent 5638258: CPU heat sink fastener
(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 5638259: Enclosure for electronic modules
(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 : With Shielding Structure : Circuit board mounted)
Patent 5638260: Parallel resonant capacitor charging power supply operating above the resonant frequency
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Bridge type : Including plural anode/single cathode device)
Patent 5638261: Interlock switching system and method
(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)
Patent 5638262: Method and apparatus for providing isolated power sourced from bleeder current
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, self-oscillating type : With automatic control of the magnitude of output voltage or current :)
Patent 5638263: Low and medium voltage PWM AC/DC power conversion method and apparatus
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Having plural converters for single conversion : Including semiconductor means)
Patent 5638264: Parallelized power supply system providing uninterrupted operation
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Having plural converters for single conversion : Including semiconductor means)
Patent 5638265: Low line harmonic AC to DC power supply
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For rectifier system : With transistor control means in the line circuit : For full wave rectifier with at least 1 three electrode device)
Patent 5638266: Free wheel diode arrangement for neutral point clamped electric power conversion apparatus
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In transistor inverter systems : Bridge type : With magnetic control means)
Patent 5638267: Method and apparatus for minimizing unwanted dynamics in a physical system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Sequence program response)
Patent 5638268: Method for initializing the position of a linear drive system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Digital positioning (other than machine tool) : Having particular compensation or stabilization feature)
Patent 5638269: Seismic trace analysis method utilizing a statistical calibration technique for deducing geologic properties
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Earth science : Seismology : Formation characteristic)
Patent 5638270: Engine control system with vehicle anti-theft function
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION :)
Patent 5638271: Apparatus and method for assisting gear engagement in controlling the automatic shifting of a manual-automatic transmission
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Transmission control : Indicating a completion of a shift or a shift to be completed : Responsive to faulty sensor)
Patent 5638272: Control unit for vehicle and total control system therefor
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION :)
Patent 5638273: Vehicle data storage and analysis system and methods
(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 5638274: Electronic control apparatus for an air-bag 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 5638275: Apparatus and method for controlling damping force characteristic of vehicular shock absorber
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Suspension control : Attitude change suppressive control (e.g., antiroll or antipitch) : Inner/outer loop)
Patent 5638276: Microprocessor based system and method for regulating a railroad car brake pipe pressure
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Adaptive control)
Patent 5638277: System for controlling a throttle valve in a following control system for motor vehicles
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Adaptive control)
Patent 5638278: Apparatus for detecting an occurence of misfiring in an engine cylinder
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : With indicator or control of power plant (e.g., performance) : Internal-combustion engine : Digital or programmed data processor : Vibration, roughness, knock : Detection of O2 concentration)
Patent 5638279: Vehicle navigation system and navigation method
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Determining balance or center of gravity (e.g., load distribution of vehicle))
Patent 5638280: Vehicle navigation apparatus and method
(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 : Specific memory or interfacing device)
Patent 5638281: Target prediction and collision warning system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : RELATIVE LOCATION : Collision avoidance : With radar or optical ground scanner)
Patent 5638282: Method and device for preventing collisions with the ground for an aircraft
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : RELATIVE LOCATION : Collision avoidance : With radar or optical ground scanner)
Patent 5638283: Franking machine
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : FOR COST/PRICE : Postage meter system : Specialized function performed : With paper check handling)
Patent 5638284: Method of quantifying the wet strength of paper
(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) : Sheet making (e.g., paper product) : Having a reference mark or pattern)
Patent 5638285: System for dispensing dry agricultural chemicals
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Article handling : Dispensing or vending : Central control of plural dispensing units : Price adjustment)
Patent 5638286: Latch-up verification device
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Testing or evaluating : Design verification (e.g., wiring line capacitance, fan-out checking, minimum path width) :)
Patent 5638287: Reflective wave compensation on high speed processor cards
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Programmable integrated circuit (e.g., basic cell, standard cell, macrocell) : PLA, PLD, FPGA, OR MCM)
Patent 5638288: Separable cells having wiring channels for routing signals between surrounding cells
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Routing (e.g., routing map, netlisting) : Layout editor (e.g., updating))
Patent 5638289: Method and apparatus allowing hot replacement of circuit boards
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Programmable integrated circuit (e.g., basic cell, standard cell, macrocell) : PLA, PLD, FPGA, OR MCM)
Patent 5638290: Method for eliminating a false critical path in a logic circuit
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Optimization (e.g., redundancy, compaction) :)
Patent 5638291: Method and apparatus for making integrated circuits by inserting buffers into a netlist to control clock skew
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Logical circuit synthesizer : PLA, PLD, FPGA, OR MCM)
Patent 5638292: Method for automatically optimizing cell placement
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Floorplanning : Design verification (e.g., wiring line capacitance, fan-out checking, minimum path width))
Patent 5638293: Optimal pad location method for microelectronic circuit cell placement
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Floorplanning : Design verification (e.g., wiring line capacitance, fan-out checking, minimum path width))
Patent 5638294: Device and method for calculating delay time
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Testing or evaluating : Design verification (e.g., wiring line capacitance, fan-out checking, minimum path width) :)
Patent 5638295: Transfer switch system with subnetwork
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Electrical power generation or distribution system : Power supply regulation operation : Time based control (e.g., real time or duty cycle))
Patent 5638296: Intelligent circuit breaker providing synchronous switching and condition monitoring
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Electrical power generation or distribution system : Flow control (e.g., valve or pump control))
Patent 5638297: Method of on-line transient stability assessment of electrical power systems
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Electrical power generation or distribution system : Flow control (e.g., valve or pump control))
Patent 5638298: Shot-tracking device and method
(MEASURING AND TESTING : ORDNANCE AND PROJECTILE : Filament)
Patent 5638299: Light weight, self-contained programmable data-acquisition system
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Signal generation or waveform shaping)
Patent 5638300: Golf swing analysis system
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Orientation or position : 3D position : 3D orientation : For wheel speed)
Patent 5638301: Method and system for inspecting die sets using free-form inspection techniques
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Mechanical control system : Balancing or alignment : Specific thermally responsive controller)
Patent 5638302: System and method for preventing auto thefts from parking areas
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Dimensional determination : Linear distance or length : 3D orientation)
Patent 5638303: Non-contacting isolated stabilized microgravity platform system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Specific application of positional responsive control system : For heating or cooling)
Patent 5638304: Method and apparatus for active damping of vibration
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Mechanical measurement system : Vibration detection : Liquid level or volume determination)
Patent 5638305: Vibration/noise control system
(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 5638306: Testing hooks for testing an integrated data processing system
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : TESTING SYSTEM : Of circuit : Including program initialization (e.g., program loading) or code selection (e.g., program creation) : Frequency)
Patent 5638307: Apparatus having source power control unit responsive to voltage fluctuation
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : COMPUTER POWER CONTROL : Power conservation : Programmable calculator with power saving feature : Including generation of associated coded record)
Patent 5638308: Calculator with keys which can selectively be disabled
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Having specialized input : Horological device)
Patent 5638309: Pseudo-random pattern generating circuit
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Random number generation : More than two operands)
Patent 5638310: Pixel matrix filter
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Multidimensional data :)
Patent 5638311: Filter coefficient estimation apparatus
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Adaptive : Tone detection)
Patent 5638312: Method and apparatus for generating a zero bit status flag in a microprocessor
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Status condition/flag generation or use : Matrix array)
Patent 5638313: Booth multiplier with high speed output circuitry
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiplication : Binary : Repeated addition : Multiple digit : Carry-save adders (i.e., CSAs) :)
Patent 5638314: Dividing apparatus for use in a data processing apparatus
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Division : Binary : Repeated subtraction : Multiples of divisor : Feedback)
Patent 5638315: Content addressable memory for a data processing system
(STATIC INFORMATION STORAGE AND RETRIEVAL : ASSOCIATIVE MEMORIES : Magnetic)
Patent 5638316: Memory apparatus
(STATIC INFORMATION STORAGE AND RETRIEVAL : HARDWARE FOR STORAGE ELEMENTS : Magnetic)
Patent 5638317: Hierarchical DRAM array with grouped I/O lines and high speed sensing circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : INTERCONNECTION ARRANGEMENTS : Magnetic)
Patent 5638318: Ferroelectric memory using ferroelectric reference cells
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Ferroelectric : Same size apertures)
Patent 5638319: Non-volatile random access memory and fabrication method thereof
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Ferroelectric : Same size apertures)
Patent 5638320: High resolution analog storage EPROM and flash EPROM
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Multiple values (e.g., analog) : Overlays)
Patent 5638321: Recording apparatus for integrated circuit card using NAND-type flash memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Logic connection (e.g., NAND string) : Weak inversion injection)
Patent 5638322: Apparatus and method for improving common mode noise rejection in pseudo-differential sense amplifiers
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Reference signal (e.g., dummy cell) : Weak inversion injection)
Patent 5638323: Nonvolatile semiconductor memory using tunnel effect having a control circuit for simultaneously writing and reading data out of a plurality
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Reference signal (e.g., dummy cell) : Verify signal :)
Patent 5638324: Flash memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Reference signal (e.g., dummy cell) : Verify signal :)
Patent 5638325: Circuitry for resetting an electrically erasable memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Line charging (e.g., precharge, discharge, refresh) : Verify signal)
Patent 5638326: Parallel page buffer verify or read of cells on a word line using a signal from a reference cell in a flash memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Reference signal (e.g., dummy cell) : Weak inversion injection)
Patent 5638327: Flash-EEPROM memory array and method for biasing the same
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Program gate : Weak inversion injection :)
Patent 5638328: Data output buffers and methods having a clamp function
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Having particular data buffer or latch : Four or more devices per bit)
Patent 5638329: MOS semiconductor device with memory cells each having storage capacitor and transfer transistor
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including reference or bias voltage generator : Four or more devices per bit)
Patent 5638330: Low dissipation initialization circuit, particularly for memory registers
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including reference or bias voltage generator : Four or more devices per bit)
Patent 5638331: Burn-in test circuit and method in semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)
Patent 5638332: Integrated circuit memory device with balancing circuit including follower amplifier coupled to bit line
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Complementing/balancing : Coincident A.C. signal with pulse)
Patent 5638333: Bit line sensing circuit and method of a semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Flip-flop used for sensing : Coincident A.C. signal with pulse)
Patent 5638334: Integrated circuit I/O using a high performance bus interface
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Plural blocks or banks : Standby power)
Patent 5638335: Semiconductor device
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Plural blocks or banks : Standby power)
Patent 5638337: Method for computing borehole geometry from ultrasonic pulse echo data
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Well logging : Time interval measurement : Reverberation removal)
Patent 5638338: Seismic processing apparatus and method
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Land-reflection type : Signal analysis and/or correction : Filters : Inverse filters :)
Patent 5638339: Bathroom clock and light
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : COMBINED WITH DISPARATE DEVICE : Electrical device)
Patent 5638340: Clock having magnetically-levitated pendulum
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : OSCILLATING OR RECIPROCATING MEANS : Pendulum type : With regulation)
Patent 5638341: Watch character panel and watch
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : DISPLAYS OR DISPLAY DEVICE DETAILS : For drum or plate dial type)
Patent 5638342: Watch saddle
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : CASES : Wrist worn : With band or bracelet details : Setting)
Patent 5638343: Method and apparatus for re-recording multi-track sound recordings for dual-channel playbacK
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : COMBINED INDEPENDENT AUDIO SYSTEMS : Combining signals to form composite (e.g., mixing) : Fading between plural signals)
Patent 5638344: Magneto-optic recording and reproducing apparatus
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : Specific detail of recording medium : Specific detail of layer (e.g., bias or initializing layers, etc.) : Plural magnetic layers (e.g., recording and reproducing layers) : Three or more magnetic layers (e.g., recording, intermediate, and reproducing layers, etc.) : Temperature or coercivity :)
Patent 5638345: Information recording and/or reproducing apparatus and method for use with a multi-track optical recording medium
(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 5638346: Magneto-optical reproducing apparatus having a jog dial track number selector
(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 : Designating particular order of contents (e.g., sequential playing back by playlist) : Specified order of contents information modification processing : Magnetic domain wall)
Patent 5638347: Disk cartridge storage 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 : Electrical control signal processing : Plural storage medium elements : For operation of storage medium gripper, accessor, or transfer member : Magnetic domain wall)
Patent 5638348: Automatic cartridge-exchanging apparatus and method for mini-disk player
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : INFORMATION LOCATION OR REMOTE OPERATOR ACTUATED CONTROL : Selective addressing of storage medium (e.g., programmed access) : Of optical storage medium : Plural optical storage media in disc changer : Plural media are discs stored in cartridges : Having particular internal support structure for internal transfer mechanism : Of carousel changer)
Patent 5638349: Cartridge handling system with dual cartridge engaging assembly
(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 specified picker : Magnetic domain wall)
Patent 5638350: Multibeam recording/reproducing apparatus in which direction of movement of plurality of light beams is determined based on order in which each
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Plural incident beams : Variable gain)
Patent 5638351: Recording and/or reproducing apparatus for recording medium
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : PARTICULAR CABINET STRUCTURE FOR OPTICAL MEDIA : Capable of only accepting protected insertable single optical medium : Ejection mechanism : Having locking mechanism : Having cam)
Patent 5638352: Optical pickup device
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Optical head servo system structure : Structure for shaping beam or causing astigmatic condition : Lens or mirror pivots off center (e.g., on a shaft, etc.))
Patent 5638353: Optical head device
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Having particular optical element or particular placement thereof in radiation beam path to or from storage medium : Diffractive : In radiation beam path to storage medium : Sectioned optical element : Plural diffractive sections : Having single motor that drives multiple mechanisms)
Patent 5638354: Optical information recording medium
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Optical track structure (e.g., phase or diffracting structure, etc.) : Track data format/layout : Disc holding or locating (e.g., spindle structure))
Patent 5638355: Optical information reproducing by detecting phase shift of elevated symbols
(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 5638356: Order wire relay method and apparatus
(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 : Utilizing a plurality of ATM networks (e.g., MPOA, SONET, or SDH) : Based on service category (e.g., CBR, VBR, UBR, or ABR))
Patent 5638357: Distributed method for periodical routing verification test scheduling
(MULTIPLEX COMMUNICATIONS : DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION) : Of a switching system : Having a dedicated test line or channel)
Patent 5638358: Protection switching system having impedance matching circuits
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative channel : Spare channel : Using a spare channel)
Patent 5638359: Method for congestion management in a frame relay network and a node in a frame relay network
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Bypass an inoperative channel)
Patent 5638360: Method and apparatus for measuring ATM cell rate
(MULTIPLEX COMMUNICATIONS : DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION) : Determination of communication parameters : Measurement of flow rate of messages having an address header : ATM least cost routing)
Patent 5638361: Frequency hopped return link with net entry channel for a satellite personal communications system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA) : Channel assignment)
Patent 5638362: Correlation detector and communication apparatus
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA) : Channel assignment)
Patent 5638363: Switched telecommunications network with bandwidth management for different types of multiplexed traffic
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching input signals having different aggregate bit rates : Channel reservation scheme)
Patent 5638364: ATM-LAN with CLSF processor and simplified clad units
(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 5638365: Dynamically structured data transfer mechanism in an ATM network
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Flow control of data transmission through a network : Including signaling between network elements : Using RM (Resource Management) cells : Loopback of signals on the secondary ring or loop)
Patent 5638366: Data transport for internal messaging
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Folded network : Multiple access (e.g., TDMA))
Patent 5638367: Apparatus and method for data packing through addition
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Adaptive : Frame length : Message having an address header : On ring or loop)
Patent 5638369: Method and apparatus for inbound channel selection in a communication system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via time channels : Polling : Combining or distributing information via time channels)
Patent 5638370: Status bit controlled HDLC accelerator
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Adaptive : Converting between protocols : On ring or loop network)
Patent 5638371: Multiservices medium access control protocol for wireless ATM system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Using ATM as a wireles protocol : Having a plurality of contiguous regions served by respective fixed stations : Start-Stop)
Patent 5638372: Providing filler data to transmitters in a radio 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 : Based upon a particular signal quality measurement)
Patent 5638373: ISDN interface unit
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Adaptive : Converting between protocols : Conversion between signaling protocols : On ring or loop)
Patent 5638374: Enhanced transaction reservation
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Airborne or space satellite repeater : Multiple access (e.g., FDMA) : Time division (TDMA) : Channel reservation scheme :)
Patent 5638375: AGC isolation of information in TDMA systems
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Airborne or space satellite repeater : Multiple access (e.g., FDMA) : Time division (TDMA) : Synchronization :)
Patent 5638376: Code division multiplex signal receiving method
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA) : Channel assignment)
Patent 5638377: Method of forwarding data packets in a multi-site network, a corresponding communications network, and a corresponding interface
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Processing of address header for routing, per se : Multistage switch)
Patent 5638378: Method of operating a communication system
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Carrier sense multiple access (CSMA) : Using channel reservation)
Patent 5638379: Encoding system for distribution of synchronization
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Error count or rate : Synchronization control : Error forwarding and presentation (e.g., operator console, error display))
Patent 5638380: Protecting proprietary asic design information using boundary scan on selective inputs and outputs
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Scan path testing (e.g., level sensitive scan design (LSSD)) : Special test pattern (e.g., checkerboard, walking ones))
Patent 5638381: Apparatus and method for deriving correspondence between storage elements of a first circuit model and storage elements of a second
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Signature analysis : Clock or synchronization)
Patent 5638382: Built-in self test function for a processor including intermediate test results
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Built-in testing circuit (BILBO) : Clock or synchronization)
Patent 5638383: Advanced integrated avionics testing system
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Built-in testing circuit (BILBO) : Clock or synchronization)
Patent 5638384: Data communication system
(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 5638385: Fast check bit write for a semiconductor memory
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Memory access : Cross-interleave Reed-Solomon code (CIRC))
Patent 5638386: Recording apparatus
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Memory access : Dynamic data storage : Error checking code)
Patent 5638387: Electrically driven lift truck
(ELECTRICITY: MOTIVE POWER SYSTEMS : PLURAL, DIVERSE OR DIVERSELY CONTROLLED ELECTRIC MOTORS : Running-speed control : Diverse speeds for different motors : And automatic starting and/or stopping and/or with time delay)
Patent 5638388: Diode pumped, multi axial mode intracavity doubled laser
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Nonlinear device : Frequency multiplying (e.g., harmonic generator) : Rotating prism)
Patent 5638389: Output control apparatus for laser oscillator
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Optical output stabilization : Amplitude : Rotating prism)
Patent 5638390: Optoelectronic transceiver module laser diode stabilizer and bias control method
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Having particular beam control circuit component : Feedback circuitry : Rotating prism)
Patent 5638391: Semiconductor laser device and optical disc apparatus provided with the semiclonductor laser device
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Crystal orientation :)
Patent 5638392: Short wavelength VCSEL
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular confinement layer :)
Patent 5638393: Nonmonolithic multiple laser source arrays
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Monolithic integrated : Laser array :)
Patent 5638394: Blue and green laser oscillation method and device adopting the same
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Plural active media or active media having plural dopants : Disc-shaped)
Patent 5638395: Optically pumped laser apparatus
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Pumping with optical or radiant energy : End-pumped laser : Support)
Patent 5638396: Laser ultrasonics-based material analysis system and method
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : With depopulation of lower states)
Patent 5638397: Confocal-to-concentric diode pumped laser
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : With depopulation of lower states)
Patent 5638398: Method and apparatus for joining new electrode to consumed electrode of electric furnace
(INDUSTRIAL ELECTRIC HEATING FURNACES : ARC FURNACE DEVICE : Electrode : Sectional : With means to join sections : With heating between chambers)
Patent 5638399: Multi-beam satellite communication system with user terminal frequencies having transceivers using the same set of frequency hopping
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Airborne or space satellite repeater : Multiple access (e.g., FDMA) : Time division (TDMA) : Synchronization :)
Patent 5638400: Receiver
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Adaptive : Matched-filter-type receiver)
Patent 5638401: Method and apparatus for generating plural quadrature modulated carriers
(PULSE OR DIGITAL COMMUNICATIONS : TRANSMITTERS : Quadrature amplitude modulation : Power amplifier)
Patent 5638402: Fast data transfer bus
(PULSE OR DIGITAL COMMUNICATIONS : CABLE SYSTEMS AND COMPONENTS : Noise or distortion reduction)
Patent 5638403: Low-splatter peak-to-average signal reduction with interpolation
(PULSE OR DIGITAL COMMUNICATIONS : TRANSMITTERS : Antinoise or distortion (includes predistortion) : Phase locked loop)
Patent 5638404: Pre-compensated frequency modulation (PFM)
(PULSE OR DIGITAL COMMUNICATIONS : TRANSMITTERS : Antinoise or distortion (includes predistortion) : Phase locked loop)
Patent 5638405: Dual-mode baseband controller for radio-frequency interfaces relating to digital cordless telephones
(PULSE OR DIGITAL COMMUNICATIONS : TRANSMITTERS : Quadrature amplitude modulation : Power amplifier)
Patent 5638406: Carrier detector
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Angle modulation : Particular demodulator : Carrier recovery circuit or carrier tracking : Quaternary)
Patent 5638407: Inversion prevention device
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Angle modulation : Particular demodulator : Including switching or gating (digital circuits) : Quaternary)
Patent 5638408: Variable transmission bit rate discrimination method and apparatus
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Maximum likelihood decoder or viterbi decoder : Separate mark and space channels)
Patent 5638409: Data receiving device for reproducing a received symbol from a received data signal
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Synchronizing the sampling time of digital data : Gating, blanking, etc.)
Patent 5638410: Method and system for aligning the phase of high speed clocks in telecommunications systems
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Synchronization failure prevention : Gating, blanking, etc.)
Patent 5638411: Stuff bit synchronization system
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Elastic buffer : With asynchronous data)
Patent 5638412: Method for providing service and rate negotiation in a mobile communication system
(PULSE OR DIGITAL COMMUNICATIONS : MISCELLANEOUS : Phase displacement, slip or jitter correction)
Patent 5638413: Apparatus and method for estimating core performance
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : TESTING, SENSING, MEASURING, OR DETECTING A FISSION REACTOR CONDITION : Temperature reactivity control)
Patent 5638414: Method for detecting failure of nuclear reactor fuel
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : TESTING, SENSING, MEASURING, OR DETECTING A FISSION REACTOR CONDITION : Leak detection : Fuel element leak detection : Setback)
Patent 5638415: Multiple port probe delivery system
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM : By particular instrumentation circuitry)
Patent 5638416: Fuel assembly
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : FUEL COMPONENT STRUCTURE : Plural fuel segments or elements : In pack or bundle : Including grid : With fuel element contacting protuberance or projection : With particular heat exchanger structure)
Patent 5638417: System for pill and capsule counting and dispensing
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : APPLICATIONS : Counting animate or inanimate entities : Coins :)
Patent 5638418: Temperature detector systems and methods
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : APPLICATIONS : Measuring or testing : Temperature : Distance and Human Activity (e.g., pedometer, nonpowered golf carts))
Patent 5638419: Spiral-helical scan computed tomography apparatus
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Computerized tomography :)
Patent 5638420: Straddle inspection system
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Absorption : Inspection of closed container : With standardization)
Patent 5638421: Apparatus and method for incoming call detection and alarm circuitry for cellular telephones
(TELEPHONIC COMMUNICATIONS : DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT : Monitoring : Subscriber line : AIN link)
Patent 5638422: Distributed antenna personal communication networks system
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Base station detail : Having specific antenna arrangement : Waveguide)
Patent 5638423: Method of detecting use of a stolen communication unit
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Security or fraud prevention : Privacy, lock-out, or authentication : At remote station)
Patent 5638424: Telephone voice mail delivery system
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Interacting voice message systems : Pager activation)
Patent 5638425: Automated directory assistance system using word recognition and phoneme processing method
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Voice activation or recognition : Reproduced signal distributed over telephone line)
Patent 5638426: Interactive system for a closed cable network
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : Message management)
Patent 5638427: Operator-controlled interactive communication device
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : Having transmission of a digital message signal over a telephone line : Having station display : Having format conversion)
Patent 5638428: Telecommunications management and control apparatus
(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 5638429: Charge code entry in preprogrammed dialing
(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 : Terminal interface circuitry : Two or more calls)
Patent 5638430: Call validation system
(TELEPHONIC COMMUNICATIONS : WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) : Call charge metering or monitoring : Fraud detection or control : Advertisement)
Patent 5638431: Calling card validation system and method therefor
(TELEPHONIC COMMUNICATIONS : WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) : Call charge metering or monitoring : Advanced intelligent billing network (e.g., a billing service control processor) : Based on unique account code)
Patent 5638432: Method of setting up telecommunication connections
(TELEPHONIC COMMUNICATIONS : WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) : Call charge metering or monitoring : At local exchange carrier (e.g., central switching office) : With line identification or class of service determination)
Patent 5638433: Best rate telecommunication access code and data transceiver/facilitator (BRTF)
(TELEPHONIC COMMUNICATIONS : WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) : Call charge metering or monitoring : At subscriber station : Manually set (e.g., key and lock))
Patent 5638434: Conference system for dial-out telephone calls
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Conferencing : Operator control : Of specific equipment)
Patent 5638435: Impulse signal convertor
(TELEPHONIC COMMUNICATIONS : CENTRALIZED SWITCHING SYSTEM : Switching controlled in response to called station addressing signal : Having shared or common switching control : Including registering or storing device for call address signal : Signal processing (e.g., dial pulse analysis) : Dual tone multifrequency (DTMF) receiver)
Patent 5638436: Voice detection
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Signalling integrity protection (e.g., voice signal immunity) : Additional analog processing)
Patent 5638437: Telecommunication system and method enabling a user to get access to an automated call processing from a central station operating on pulse
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Substation originated : Conversion of signal form : Sub-band analysis)
Patent 5638438: System and method for automatically creating new pages in a touch screen based telephony product having a hierarchical repertory
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Substation originated : With called number display : Sub-band analysis)
Patent 5638439: Adaptive filter and echo canceller
(TELEPHONIC COMMUNICATIONS : ECHO CANCELLATION OR SUPPRESSION : Using digital signal processing : Adaptive filtering : Allowing movement of equipment (e.g., movable, modular))
Patent 5638440: Protection circuit for telephone systems
(TELEPHONIC COMMUNICATIONS : SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE : Protective circuit : Electronic noninductive)
Patent 5638441: Portable telephone apparatus with rotatable cover allowing enhanced option key access
(TELEPHONIC COMMUNICATIONS : TERMINAL : Housing or housing component : Handset structure : Moveable or removeable element (e.g., cover) : Rotatable mechanism (e.g., hinge) : Recording audio for use as the alerting signal)
Patent 5638442: Method for remotely inspecting a postage meter
(CRYPTOGRAPHY : EQUIPMENT TEST OR MALFUNCTION INDICATION :)
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