Patents 5640238 - 5640492
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Patent 5640238: Method of inspecting particles on wafers
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Surface condition : Detection of object or particle on surface : Detection of an object or particle on surface)
Patent 5640239: Optical device and displacement information measurement apparatus using the same
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having light beams of different frequencies (e.g., heterodyning) : For dimensional measurement (e.g., thickness gap, alignment, profile) : Displacement or distance : Including an alternating reference path)
Patent 5640240: Probe for surface measurement
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Focus : Position of detected arrangement relative to projected beam)
Patent 5640241: Light spot position measuring method of detecting one-dimensional position by two-dimensional sensor
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Position transverse to viewing axis : Scan)
Patent 5640242: Assembly and method for making in process thin film thickness measurments
(OPTICS: MEASURING AND TESTING : DIMENSION : Thickness : Of light permeable material : Moire)
Patent 5640243: Position detection method
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With registration indicia (e.g., scale) : For comparison with master or desired configuration)
Patent 5640244: Method and apparatus for on-line determination of fiber orientation and anisotropy in a non-woven web
(OPTICS: MEASURING AND TESTING : BY MONITORING OF WEBS OR THREAD : Of containers)
Patent 5640245: Spectroscopic method with double modulation
(OPTICS: MEASURING AND TESTING : FOR LIGHT TRANSMISSION OR ABSORPTION : Of fluent material : Gas : With plural detectors (e.g., simultaneous viewing))
Patent 5640246: Apparatus for measuring reflected light utilizing spherically arranged optical fibers
(OPTICS: MEASURING AND TESTING : OF LIGHT REFLECTION (E.G., GLASS) : Of photographic film)
Patent 5640247: Method for measuring internal information in a scattering medium and apparatus for the same
(OPTICS: MEASURING AND TESTING : OF LIGHT REFLECTION (E.G., GLASS) : With diffusion : With scanning, sweeping, or moving detector over film)
Patent 5640248: Facsimile apparatus for compressing and storing program related to maintenance function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile measuring, testing, or calibrating : Composite image)
Patent 5640249: Image processing apparatus using derived ordered dither matrix
(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) : Print element property varied to effect halftone pattern : Density of print element (e.g., multi-level halftone) :)
Patent 5640250: Facsimile apparatus having means to sort received sheets into bins according to the number of received sheets
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Facsimile control unit : Picture signal thresholding)
Patent 5640251: Image reading device
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Solid state : Including a polygon reflector)
Patent 5640252: Bound document imager with page turner
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Linear scanning pattern : Scanning element moves relative to a flat stationary document : Internal scan)
Patent 5640253: Image processing apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Image reproduction : Page or frame memory)
Patent 5640254: Method for applying FM screening to a digital image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : Halftone processing : Halftone screening : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5640255: Holographic authentication patch
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Authentication :)
Patent 5640256: Dynamic multiple wavelength filter using a stratified volume holographic optical element
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium :)
Patent 5640257: Apparatus and method for the manufacture of high uniformity total internal reflection holograms
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having optical element between object and recording medium : Discrete hologram only)
Patent 5640258: Touch panel having 15 to 30 degree angle between direction of display unit elements and direction of input unit elements
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Magnetic or pressure excitation : By light beam heating (e.g., IR, laser, etc.))
Patent 5640259: Liquid crystal device with the retardation of the liquid crystal layer greater than .lambda./2 and a method for driving the same
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With photoconductive layer (e.g., spatial light modulator(SLMs)))
Patent 5640260: Liquid crystal light valve having a Eopt of less than 0.5 eV
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Optical excitation : With photoconductive layer (e.g., spatial light modulator(SLMs)) : Of an alloy of S, Se, or Te :)
Patent 5640261: Optical operation apparatus for finding an inner product of vectors using light
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL COMPUTING WITHOUT DIFFRACTION : Hardware for producing a hologram)
Patent 5640262: Control system and connecting device
(OPTICAL COMMUNICATIONS : RECEIVER : Including optical waveguide : Having feedback)
Patent 5640263: Optical scanner for an image forming apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Logic gate)
Patent 5640264: Scanning device
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Utilizing plural light beams : Having a common axis of rotation)
Patent 5640265: Optical scanning apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Having particular focusing element to receive scanned light : High distortion lens (e.g., fO lens, etc.) :)
Patent 5640266: Electronically addressed deformable mirror device
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : By changing physical characteristics (e.g., shape, size or contours) of an optical element : Shape or contour of light control surface altered : Amplitude modulation)
Patent 5640267: Optical apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Having particular chemical composition or structure : Electro-optic crystal material : Switching)
Patent 5640268: Optical fiber amplifier with two directional pumping
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Optical fiber : Pumping : With multiple systems : Adjusting input signal power)
Patent 5640269: Optical fiber amplifier and optical amplifier repeater
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Correction of deleterious effects : Complementary, adjusting stages : Interferometer or interference)
Patent 5640270: Orthogonal-scanning microscope objective for vertical-scanning and phase-shifting interferometry
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Two or more in a series)
Patent 5640271: Self-housing binocular
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Telescope : Binocular : With adjustable interocular distance : With adjustable interocular distance)
Patent 5640272: Multiscreen display and process for assembling the same
(OPTICAL: SYSTEMS AND ELEMENTS : PROJECTION SCREEN : Unitary sheet comprising plural refracting areas : Lenticular : Rear projection screen : With Fresnel lens : Spacing of optical elements axially adjustable)
Patent 5640273: Three-dimensional display panel and three-dimensional display using the same
(OPTICAL: SYSTEMS AND ELEMENTS : STEREOSCOPIC : Roll up screen)
Patent 5640274: Electrocromic rearview mirror for an automobile improved in a water proof ability
(OPTICAL: SYSTEMS AND ELEMENTS : GLARE OR UNWANTED LIGHT REDUCTION : With reflection)
Patent 5640275: Head-up display device of holographic type
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Superimposing visual information on observer`s field of view (e.g., head-up arrangement, etc.) : Serially disposed along optic axis)
Patent 5640276: Four-unit zoom lens system having a high zoom ratio
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Four groups : Cylindrical lenslets)
Patent 5640277: Large aperture medium telephoto lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Multiple component lenses : Three components : + + + Arrangement : With third component biconvex)
Patent 5640278: Feed screw mechanism with linear movement and rotation adjusting means
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With third component biconvex)
Patent 5640279: Beam splitter for optical reading and writing actuator
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With third component biconvex)
Patent 5640280: Objective lens driving device for an optical pickup
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Adjustable : With axial adjustment (e.g., adjustable focus, etc.) : Electromagnetic or piezoelectric drive : Having a biconvex single element component)
Patent 5640281: Outside foldable rearview mirror for vehicle
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Retractable vehicle mirror : Plural reflecting surfaces)
Patent 5640282: Base body of reflecting mirror and method for preparing the same
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Including specified control or retention of the shape of a mirror surface : Plural reflecting surfaces)
Patent 5640283: Wide field, long focal length, four mirror telescope
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : With successive reflections : Including curved mirror surfaces in series : With concave and convex mirrors in series : Sliding barrels)
Patent 5640284: Optical reflector, illumination optical system, light source system and illumination optical apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : With mirror surface of varied radius : Concave : Including an adjustable mirror)
Patent 5640285: Information recording medium encoded to enable track following
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Head amplifier circuit : Intra-cell transition)
Patent 5640286: Disk drive with error code embedded sector identification
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data in specific format : Intra-cell transition)
Patent 5640287: Slant post base mounting mechanism for a magnetic recording and reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)
Patent 5640288: Multiple disc cartridge recorder/player having toroidally arranged disc cartridge housing sections
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Plural disks : Changer : With pneumatic partioning of disks)
Patent 5640289: Apparatus and method for non-friction and non-sliding contact of an access arm during merging of a computer mass storage device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head into/out of transducing position : Disk record : Arcuate track change type : Moving lifter : Three or more rails/pads)
Patent 5640290: Shock-resistant structure for magnetic disk drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Tape in container)
Patent 5640291: Magnetic head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : For cross-talk prevention)
Patent 5640292: Diamond-like carbon encapsulation of magnetic heads
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : For cross-talk prevention)
Patent 5640293: High-current, high-voltage solid state switch
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : Resistor sensor : Protection for thyristor)
Patent 5640294: Automated circuit breaker support saddle assembly
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Distribution or control panel board : Busbar or conductor arrangements : Plug-in or removable)
Patent 5640295: Alignment features for load center interior assembly
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Electrical service distribution box : Including panel board : With removable or plug-in connection)
Patent 5640296: Touch screen enclosure having a universal rear enclosure unit, a touch screen plate, and first and second seals
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including display support : Fluid)
Patent 5640297: Airline seat back computer for providing travel information
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)
Patent 5640298: Recording disc cartridge having centrally-located, integral, raised wear surface
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : For disk : Disc record)
Patent 5640299: Electrostatic discharge protection in integrated circuits, systems and methods
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Load shunting by fault responsive means (e.g., crowbar circuit) : Voltage responsive : With more than two wires)
Patent 5640300: Interrupter circuit with MCTS and pulse resonant commutation for rapidly switching off kilo-AMP AC load currents
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific quantity comparison means : Current : With time delay protective means)
Patent 5640301: System for adapting a personal computer for radio communication
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : Input/output device support : Disk drive support)
Patent 5640302: Modular portable computer
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : With cooling means : Disk drive support)
Patent 5640303: Interconnection apparatus for semiconductor/integrated circuit devices
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : Liquid : And liquid)
Patent 5640304: Power electronic device mounting apparatus
(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 5640305: Anchor for securing a heat sink to a printed circuit board
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : For active solid state devices : For integrated circuit : Circuit board mounted : With heat sink or cooling fins)
Patent 5640306: Contactless smart card the electronic circuit of which comprises a module
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : IC card or card member : Selective connections)
Patent 5640307: Chip card reader
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : With locking means or device : Selective connections)
Patent 5640308: Field programmable circuit module
(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 : By specific pattern on board : Flexible connecting lead)
Patent 5640309: PCI expansion card retainer clip
(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 : Specific latching or retaining device : Circuit board mounted)
Patent 5640310: Current resonance type switching power source
(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 5640311: Miniaturized high frequency direct current power supply
(ELECTRIC POWER CONVERSION SYSTEMS : CASCADED OR COMBINED, DIVERSE CONVERSIONS IN WHICH THE FREQUENCY OR PHASE OR COMBINED CONVERSION IS WITHOUT INTERMEDIATE CONVERSION TO D.C. : Current and frequency (e.g., f1-f2-D.C.) : Phase 1 to phase 2 to D.C.)
Patent 5640312: Isolated power supply having power switch on secondary side
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, separately-driven type : With automatic control of the magnitude of output voltage or current : For forward-type converter : Having feedback isolation (e.g., optoisolator, transformer coupled, etc.) :)
Patent 5640313: Inverter unit
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With condition responsive means to control the output voltage or current : Cooperating separate sensing and control means : For inverter : With transistor control means in the line circuit : Saturable reactor (e.g., magnetic amplifier))
Patent 5640314: Symmetrical power system
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including an A.C.-D.C.-A.C. converter : For change of phase (e.g., number of phases) : Double-ended type (i.e., push-pull))
Patent 5640315: Switching regulator
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With means to introduce or eliminate frequency components : In inverter systems : By pulse modulation technique (e.g., PWM, PPM, etc.) : With automatic control of the magnitude of output voltage or current)
Patent 5640316: Pulse width modulation signal generating apparatus
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With means to introduce or eliminate frequency components : In inverter systems : By pulse modulation technique (e.g., PWM, PPM, etc.) : With automatic control of the magnitude of output voltage or current)
Patent 5640317: High voltage start-up circuit and method therefor
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With starting arrangement : In rectifier systems)
Patent 5640318: Forward converter for off-line applications
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In transistor inverter systems : Thyristor)
Patent 5640319: Switch control methods and apparatus
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Plural processors :)
Patent 5640320: Method and apparatus for video editing and realtime processing
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Having preparation of program : Editing/modifying : Positional with nonpositional)
Patent 5640322: System for controlling the operation of a vehicular transmission
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Transmission control : Vehicle equipment position control (e.g., seat, mirror, door, window, headrest, or headlamp))
Patent 5640323: System and method for operating an autonomous navigation system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION :)
Patent 5640324: Dynamic behavior control apparatus of automotive 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 5640325: Sensor array dynamic position and orientation determination system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : Using inertial sensor : Means to improve accuracy of position or location)
Patent 5640326: Printed copy waste reduction system for single gripper conveyors
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Article handling : Having particular transport between article handling stations : Having a conveyor : Preparation of an article for an identification code (e.g., printing, encoding))
Patent 5640327: Apparatus and method for partitioning resources for interconnections
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Partitioning (e.g., function block, ordering constraint) : Design verification (e.g., wiring line capacitance, fan-out checking, minimum path width))
Patent 5640328: Method for electric leaf cell circuit placement and timing determination
(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 5640329: Method of estimating heat generated in chip
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Testing or evaluating :)
Patent 5640330: Method for analyzing pH titration data
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Chemical process control or monitoring system : Titration or pH level : Using Jacobian computation)
Patent 5640331: Method and apparatus for obtaining species concentrations and reaction rates in a turbulent reacting flow
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Chemical analysis : Cell count or shape or size analysis (e.g., blood cell))
Patent 5640332: Multimedia graphics system
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS DISPLAY MEMORY SYSTEM : Register : Character memory)
Patent 5640333: Communications system using open architecture bus lines
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Adaptive : Arbitration for access between contending stations)
Patent 5640334: Method of recalibrating electronic scales
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Weight : Coordinate positioning)
Patent 5640335: Collision operators in physical process simulation
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : SIMULATING NONELECTRICAL DEVICE OR SYSTEM : Fluid : Vehicle)
Patent 5640336: Computational array and method for calculating multiple terms of a polynomial in a single computing element
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiplication : Overflow or underflow)
Patent 5640337: Method and apparatus for interim in-situ testing of an electronic system with an inchoate ASIC
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : EMULATION : Software program (i.e., performance prediction))
Patent 5640338: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : FORMAT OR DISPOSITION OF ELEMENTS : Magnetic)
Patent 5640339: Cache memory including master and local word lines coupled to memory cells
(STATIC INFORMATION STORAGE AND RETRIEVAL : INTERCONNECTION ARRANGEMENTS : Magnetic)
Patent 5640340: Adjustable cell plate generator
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Capacitors : Same size apertures)
Patent 5640341: Memory cell insensitive to collisions of heavy ions
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Flip-flop (electrical) : Complementary : Biax)
Patent 5640342: Structure for cross coupled thin film transistors and static random access memory cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Flip-flop (electrical) : Complementary : Biax)
Patent 5640343: Magnetic memory array using magnetic tunnel junction devices in the memory cells
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Magnetic thin film : Relay)
Patent 5640344: Programmable non-volatile bidirectional switch for programmable logic
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Semiconductive : Insulated gate devices : Biax)
Patent 5640345: Semiconductor memory device and fabrication process
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Semiconductive : Insulated gate devices : Variable threshold : Radiation erasure)
Patent 5640346: Electrically programmable memory cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Extended floating gate : Rectangular bars)
Patent 5640347: EEPROM circuit configuration having security function
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Data security : Overlays)
Patent 5640348: Non-volatile semiconductor memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Reference signal (e.g., dummy cell) : Verify signal :)
Patent 5640349: Flash memory system
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Erase : Flash : Radiation erasure)
Patent 5640350: Multi-bit dynamic random access memory cell storage
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Semiconductive : Single device per bit : Variable threshold)
Patent 5640351: Semiconductor memory circuit having data buses common to a plurality of memory cell arrays
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Simultaneous operations (e.g., read/write) : Four or more devices per bit)
Patent 5640352: Control circuit for output buffer circuits of a semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Having particular data buffer or latch : Four or more devices per bit)
Patent 5640353: External compensation apparatus and method for fail bit dynamic random access memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)
Patent 5640354: Dynamic random access memory having self-test function
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)
Patent 5640355: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Noise suppression : Differential sensing : Sense/inhibit)
Patent 5640356: Two-stage differential sense amplifier with positive feedback in the first and second stages
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Noise suppression : Differential sensing : Sense/inhibit)
Patent 5640357: Storage device using dynamic RAM
(STATIC INFORMATION STORAGE AND RETRIEVAL : POWERING : Data preservation : Standby power : Magnetic)
Patent 5640358: Burst transmission semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Particular decoder or driver circuit : Alternate addressing (e.g., even/odd))
Patent 5640359: Word driver circuit and a memory circuit using the same
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Particular decoder or driver circuit : Alternate addressing (e.g., even/odd))
Patent 5640360: Address buffer of semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Including particular address buffer or latch circuit arrangement : Including magnetic element)
Patent 5640361: Memory architecture
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Magnetic)
Patent 5640362: Lead frame clock distribution for integrated circuit memory devices
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Magnetic)
Patent 5640363: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Transition detection : Magnetic)
Patent 5640364: Self-enabling pulse trapping circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Transition detection : Magnetic)
Patent 5640365: Semiconductor memory device with a decoding peripheral circuit for improving the operation frequency
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Counting : Page memories)
Patent 5640366: Sequential -access asynchronous memory device and corresponding process for storage and reading
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sequential : Page memories)
Patent 5640367: Semiconductor memory device and method of fabricating the same
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sequential : Using shift register : Magnetic)
Patent 5640368: Migration velocity analysis using limited-aperture and monte carlo migration
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Land-reflection type : Signal analysis and/or correction : Timing correction : For dip : Normal moveout)
Patent 5640369: Signal processing system and technique for calculating roll bias data
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Side scanning or contour mapping sonar systems : Linear valve control)
Patent 5640370: Two-dimensional acoustic array and method for the manufacture thereof
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Animal control)
Patent 5640371: Method and apparatus for beam steering and bessel shading of conformal array
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Underwater type : Plural transducer array : Electrically driven underwater bells or sirens)
Patent 5640372: Rotationally symmetric timepiece
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : CHRONOLOGICAL : With mechanical or electromechanical driven display : Sequential hourly sounding means)
Patent 5640373: Secure time keeping peripheral device for use in low-power applications
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : ELECTRICAL TIME BASE : Solid state oscillating circuit type : With spring click)
Patent 5640374: Magneto-optical recording medium having intermediate layer of in-plane magnetization and method of reproducing from the medium
(STOCK MATERIAL OR MISCELLANEOUS ARTICLES : MAGNETIC RECORDING COMPONENT OR STOCK : Magneto-optical media stock : Multiple magnetic layers, at least one of which is magneto-optic : Unit structure (i.e., three or more differing magnetic layers in series) : Only three adjacent magnetic layers form series :)
Patent 5640375: Method and apparatus for controlling a multi-disc photo CD 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 : Electrical control signal processing : Plural storage medium elements : Correction of error)
Patent 5640376: Track kick device in a disc recording and reproducing apparatus
(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 5640377: Rotation information detecting apparatus and method
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONDITION INDICATING, MONITORING, OR TESTING : Including radiation storage or retrieval : Of relative motion producing mechanism : Transduced location indicating)
Patent 5640378: Disc recording apparatus for recording data in units of a full cluster
(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 : Including static memory accessing : Including static memory fill level monitoring or controlling : Having particular mechanism or slot for transferring disc into changer from outside)
Patent 5640379: Photomagnetic recording device and photomagnetic reproducing device
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : BINARY PULSE TRAIN INFORMATION SIGNAL : Binary signal processing for controlling recording light characteristic : Pulse forming by adjusting binary signal phase or shifting binary signal pulse : Signal error correcting or detecting)
Patent 5640380: Optical head with a translucent plate to split a light beam
(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)
Patent 5640381: Laser power-drive circuit having a scaling DAC supplying a scaled reference signal to a plurality of scaled DAC's that supply a plurality
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONTROL OF STORAGE OR RETRIEVAL OPERATION BY A CONTROL SIGNAL TO BE RECORDED OR REPRODUCED : Mechanism control by the control signal : Control of transducer assembly mechanism : Power control for energy producing device : For storage : During multiple system modes : One tray for single disc)
Patent 5640382: Dual layer optical medium having partially reflecting metal alloy layer
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Optical track structure (e.g., phase or diffracting structure, etc.) : Turntable)
Patent 5640383: Apparatus and method for reproducing data from a record 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 5640384: Reconfigurable communication network
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative station : Standby switch)
Patent 5640385: Method and apparatus for simultaneous wideband and narrowband wireless communication
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA) : Based upon a particular signal quality measurement)
Patent 5640386: Two-system protocol conversion transceiver repeater
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Airborne or space satellite repeater : Multiple access (e.g., FDMA) : Code division (CDMA) : Including cancellation of certain signals)
Patent 5640387: Digital loop carrier apparatus for large volume digital signal transmission
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Input or output circuit, per se (i.e., line interface) : Channel reservation scheme)
Patent 5640388: Method and apparatus for removing jitter and correcting timestamps in a packet stream
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Adaptive : Assignment of variable bandwidth or time period for transmission or reception : Conversion between signaling protocols)
Patent 5640389: Traffic shaper and packet communication apparatus
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Queuing arrangement : Having output queuing only : Contention resolution for output : At least one bus is a ring network)
Patent 5640390: Wireless communication network system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via time channels : Polling : Combining or distributing information via time channels)
Patent 5640391: Relocation control of substrate channels
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Using trunking : Channel assignment : Combining or distributing information via time channels)
Patent 5640392: Signal receiving apparatus
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Adaptive : Arbitration for access between contending stations)
Patent 5640393: Multiple address security architecture
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Processing of address header for routing, per se : Multistage switch)
Patent 5640394: System and method for running multiple incompatible network protocol stacks
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Particular switching network arrangement)
Patent 5640395: System for transmitting packet data in digital cellular time division multiple access (TDMA) air interface
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Airborne or space satellite repeater : Multiple access (e.g., FDMA) : Time division (TDMA) : Channel reservation scheme :)
Patent 5640396: Apparatus and method for synchronizing a rural wireless fixed access unit into a TDMA system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Combining or distributing information via time channels : Multiple access (e.g., TDMA) : Using multiple antennas at a station)
Patent 5640398: State machine architecture for concurrent processing of multiplexed data streams
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Time switch, per se (e.g., T or T-T) : Time slot interchange, per se : Having details of control storage arrangement)
Patent 5640399: Single chip network router
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Processing of address header for routing, per se : Multistage switch)
Patent 5640400: Mutual connecting apparatus between networks
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Having a plurality of nodes performing distributed switching : Bridge or gateway between networks : Having central (e.g., common) storage)
Patent 5640401: Communication circuit fault detector
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Transmission facility testing : Test pattern with comparison : Loop-back : Bus or I/O channel device fault)
Patent 5640402: Fast flush load of LSSD SRL chains
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Scan path testing (e.g., level sensitive scan design (LSSD)) : Clock or synchronization : Bus or I/O channel device fault)
Patent 5640403: Fault diagnosis method for a sequential circuit
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Device response compared to fault dictionary/truth table : Clock or synchronization)
Patent 5640404: Limited probes device testing for high pin count digital devices
(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)) : Boundary scan : Bus or I/O channel device fault)
Patent 5640405: Multi quasi phase matched interactions in a non-linear crystal
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Nonlinear device : Plural Q-switches)
Patent 5640406: Birefringence compensated laser architecture
(COHERENT LIGHT GENERATORS : PARTICULAR OPERATING COMPENSATION MEANS : Optical output stabilization)
Patent 5640407: Temperature regulating laser diode assembly
(COHERENT LIGHT GENERATORS : PARTICULAR TEMPERATURE CONTROL : Heat sink : Frequency)
Patent 5640408: Quasi four-level Tm:LuAG laser
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Insulating crystal : Frequency)
Patent 5640409: Semiconductor laser
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular confinement layer :)
Patent 5640410: Semiconductor laser diode
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular current control structure : With saturable absorption layer)
Patent 5640411: Waveguide laser
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Gas : Discharge tube feature : Waveguide : Having lens)
Patent 5640412: Prism folded laser cavity with controlled intractivity beam polarization
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Specified cavity component : Prism : Hollow electrode)
Patent 5640413: Digital mobile radio communication system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM :)
Patent 5640414: Mobile station assisted soft handoff in a CDMA cellular communications system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM :)
Patent 5640415: Bit error performance of a frequency hopping, radio communication system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Frequency hopping : End-to-end transmission system :)
Patent 5640416: Digital downconverter/despreader for direct sequence spread spectrum communications system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : Receiver : Having specific signaling for code synchronization)
Patent 5640417: QAM detector which compensates for received symbol distortion induced by a cellular base station
(PULSE OR DIGITAL COMMUNICATIONS : TRANSCEIVERS : Modems (data sets) : Phase locked loop)
Patent 5640418: Equalizer, reception system having an equalizer, data conversion method and apparatus thereof
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Adaptive : Matched-filter-type receiver)
Patent 5640419: Covert communication system
(PULSE OR DIGITAL COMMUNICATIONS : PULSE POSITION, FREQUENCY, OR SPACING MODULATION : Automatic)
Patent 5640420: Variable length coder using two VLC tables
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Automatic)
Patent 5640421: Modified discrete cosine transform signal transforming system
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Automatic)
Patent 5640422: Digital communications modulation method and apparatus
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Transformer coupling)
Patent 5640423: Method for signal transmission using spectrally efficient orthogonal modulation
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Plural channels for transmission of a single pulse train : Quadrature amplitude modulation : Plural feedback loops)
Patent 5640424: Direct downconverter circuit for demodulator in digital data transmission system
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Keying circuits)
Patent 5640425: Fast-acting costas loop
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Angle modulation : Particular demodulator : Carrier recovery circuit or carrier tracking : Quaternary)
Patent 5640426: Clock recovery circuit of demodulator
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Angle modulation : Particular demodulator : Carrier recovery circuit or carrier tracking : Quaternary)
Patent 5640427: Demodulator
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Angle modulation : Phase shift keying : Including switching or gating (digital circuits))
Patent 5640428: Direct conversion receiver
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Angle modulation : Frequency shift keying : Biphase (manchester code))
Patent 5640429: Multichannel non-gaussian receiver and method
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Carrier controlling local generator)
Patent 5640430: Method for detecting valid data in a data stream
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Correlative or matched filter : Separate mark and space channels)
Patent 5640431: Method and apparatus for offset frequency estimation for a coherent receiver
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Automatic frequency control : Correlative or matched filter)
Patent 5640432: Co-channel interference suppression system
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Correlative or matched filter)
Patent 5640433: Conversion of synchronous/asynchronous signals
(PULSE OR DIGITAL COMMUNICATIONS : MISCELLANEOUS : Phase displacement, slip or jitter correction)
Patent 5640434: Miniaturized nuclear reactor utilizing improved pressure tube structural members
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : REACTOR STRUCTURES : Circulating fluid within reactor : Plural fluids or a fluid in plural phases circulating within reactor (e.g., pressure tube reactors) : Fuel assembly holddown or locking means)
Patent 5640435: Fuel assembly and nuclear reactor
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : FUEL COMPONENT STRUCTURE : Plural fuel segments or elements : In pack or bundle : With coolant flow path deflecting means : With coolant flow bypass means : With particular heat exchanger structure)
Patent 5640436: Method and apparatus for X-ray computed tomography
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Computerized tomography :)
Patent 5640437: Goniometer
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Diffraction, reflection, or scattering analysis : Diffractometry : Analyte support : Piezoelectric crystal)
Patent 5640438: Radiographic film marker assembly
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : AUXILIARY DATA ACQUISITION OR RECORDING : Patient or exposure data : Coordinate grid)
Patent 5640439: Apparatus for positioning a patient for taking an X-ray
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : PHOTOGRAPHIC DETECTOR SUPPORT : With object support or positioning : With real time imaging)
Patent 5640440: Substrate conveying system
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : ACCESSORY : Object holder or support : With light projection)
Patent 5640441: 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 5640442: Technique for determining propagating and clear frequency to be used in wide area wireless data communications network
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Two-way paging : Polarity controlled)
Patent 5640443: Movable telephone communication system
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Roaming : Home location registration (HLR) or visitor location registration (VLR) detail :)
Patent 5640444: Methods and apparatus for controlling data transmission using radio devices
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Operable on more than one system : Tunable or variable)
Patent 5640445: Outbound call pacing method which statistically matches the number of calls dialed to the number of available operators
(TELEPHONIC COMMUNICATIONS : WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) : Call traffic recording by computer or control processor : Over telephone line)
Patent 5640446: System and method of validating special service calls having different signaling protocols
(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 5640447: Debit calling label
(TELEPHONIC COMMUNICATIONS : WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) : Call charge metering or monitoring : Calling card : Having complementary item (e.g., novelty) : Line powered)
Patent 5640448: Key telephone system capable of simulation by button operations
(TELEPHONIC COMMUNICATIONS : MULTI-LINE OR KEY SUBSTATION SYSTEM WITH SELECTIVE SWITCHING AND CENTRAL SWITCHING OFFICE CONNECTION : Switching or supervision feature (e.g., common control, digital) : Electronic)
Patent 5640449: Communications device to establish call in ISDN system
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Call diversion (e.g., call capture) : Call transfer : Smart card)
Patent 5640450: Speech circuit controlling sidetone signal by background noise level
(TELEPHONIC COMMUNICATIONS : SUBSTATION OR TERMINAL CIRCUITRY : Sidetone control or hybrid circuit (e.g., induction coil) : Suppression (e.g., antisidetone) : Hybrid circuit)
Patent 5640451: Power cross detection using loop current and voltage
(TELEPHONIC COMMUNICATIONS : SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE : Protective circuit : Electronic noninductive)
Patent 5640452: Location-sensitive decryption of an encrypted message
(CRYPTOGRAPHY : COMMUNICATION SYSTEM USING CRYPTOGRAPHY : Position dependent or authenticating : Having quantizing and subsequent normalizing of signal (e.g., reentry telephone circuitry))
Patent 5640453: Universal interactive set-top controller for downloading and playback of information and entertainment services
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal modification (e.g., scrambling) : Interactive TV :)
Patent 5640454: System and method for access field verification
(CRYPTOGRAPHY : KEY MANAGEMENT : Key escrow or recovery : User-to-user key distributed over data link (i.e., no center))
Patent 5640455: Secret-key enciphering method and arrangement therefor capable of preventing unfair acquirement of information
(CRYPTOGRAPHY : COMMUNICATION SYSTEM USING CRYPTOGRAPHY : Data stream/substitution enciphering : Having plural band pass filters)
Patent 5640456: Computer network encryption/decryption device
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : MULTIPLE COMPUTER COMMUNICATION USING CRYPTOGRAPHY : Particular node (e.g., gateway, bridge, router, etc.) for directing data and applying cryptography : Application layer security)
Patent 5640457: Electromagnetically shielded hearing aid
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : HEARING AIDS, ELECTRICAL : Specified casing or housing : Feedback suppression)
Patent 5640458: Audio signal reproducing apparatus
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : HEADPHONE CIRCUITS : Counterwave generation control path)
Patent 5640459: Portable voice amplifier
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : MEGAPHONES : Counterwave generation control path)
Patent 5640460: Amplitude adjust circuit and method thereof
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : INCLUDING AMPLITUDE OR VOLUME CONTROL : With amplitude compression/expansion : With amplitude control)
Patent 5640461: Vibration reducing radio speaker assembly
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Mounting or support feature of housed loudspeaker : Plural diaphragms)
Patent 5640462: Imaging method of X-ray computerized tomography and apparatus for X-ray computerized tomography
(IMAGE ANALYSIS : APPLICATIONS : Biomedical applications : Tomography (e.g., CAT scanner) : With a prism)
Patent 5640463: Method and apparatus for authenticating documents including currency
(IMAGE ANALYSIS : APPLICATIONS : Reading paper currency : Cell analysis, classification, or counting)
Patent 5640464: Method and system for inspecting packages
(IMAGE ANALYSIS : APPLICATIONS : Manufacturing or product inspection : Inspection of packaged consumer goods : Including an optical imager or reader)
Patent 5640465: Method and apparatus for on-line tiled thresholding in scanners based on prescan
(IMAGE ANALYSIS : HISTOGRAM PROCESSING : For setting a threshold : Alphanumerics)
Patent 5640466: Method of deriving wordshapes for subsequent comparison
(IMAGE ANALYSIS : IMAGE SEGMENTATION : Segmenting individual characters or words : Alphanumerics)
Patent 5640467: Image forming apparatus which monitors hardware errors of a controller of a copying-inhibited function
(IMAGE ANALYSIS : PATTERN RECOGNITION : Region labeling (e.g., page description language))
Patent 5640468: Method for identifying objects and features in an image
(IMAGE ANALYSIS : PATTERN RECOGNITION : Feature extraction : With a display)
Patent 5640469: Systems and methods for producing high-contrast, intensity equalized visible images
(IMAGE ANALYSIS : IMAGE ENHANCEMENT OR RESTORATION : Intensity, brightness, contrast, or shading correction : Based on peak levels)
Patent 5640470: Fiber-optic detectors with terpolymeric analyte-permeable matrix coating
(OPTICAL WAVEGUIDES : OPTICAL WAVEGUIDE SENSOR : Electro-optic)
Patent 5640471: Adiabatic tapered S-bends for compact digital switch arrays
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Switch (i.e., switching from one terminal to another, not modulation) : Matrix switch (i.e., M X N, where M and N are 3 or more) :)
Patent 5640472: Fiber optic sensor for magnetic bearings
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Movable coupler : Slip ring : Double pole multiple throw)
Patent 5640473: Method and apparatus for generating an optical beam for use in an imaging system
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling function : Slip ring)
Patent 5640474: Easily manufacturable optical self-imaging waveguide
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling structure : Tapered coupler : Directional coupler)
Patent 5640475: Optical fiber ferrule holding plate for optical fiber end polishing apparatus
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Optical fiber/optical fiber cable termination structure : At or immediately surrounding an optical fiber end face : Fiber end held in ferrule : Fiber/ferrule further processed (grinding, polishing, etc.) : Tube-type holding structure)
Patent 5640476: Guide sleeve for fiber optic cable
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Optical fiber/optical fiber cable termination structure : Structure rearward of optical fiber end face to secure additional fiber or cable layers : Fiber end held in ferrule)
Patent 5640477: Electro-optical component alignment technique
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Optical fiber to a nonfiber optical device connector : Plural fiber/device connections : Having at least one layer compressively fixed (e.g., crimp, tightening screws, etc.))
Patent 5640478: Snap-in proximal connector for mounting an optic fiber element into a light source system
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Optical fiber to a nonfiber optical device connector : With housing : Fiber permanently fixed after adjustment)
Patent 5640479: Fiberoptic face plate stop for digital micromirror device projection system
(OPTICAL WAVEGUIDES : OPTICAL FIBER BUNDLE : Fiber bundle plate : With lens or mirror)
Patent 5640480: Zig-zag quasi-phase-matched wavelength converter apparatus
(OPTICAL WAVEGUIDES : HAVING NONLINEAR PROPERTY : Transition between geometric shapes)
Patent 5640481: Guiding optical fibres
(OPTICAL WAVEGUIDES : ACCESSORIES : Thin film optical waveguide)
Patent 5640482: Fiber optic cable management rack
(OPTICAL WAVEGUIDES : ACCESSORIES : Splice box and surplus fiber storage/trays/organizers/ carriers : Channel waveguide)
Patent 5640483: Backlighting system utilizing total internal reflection
(OPTICAL WAVEGUIDES : NONCYCLINDRICAL OR NONPLANAR SHAPED WAVEGUIDE : Of waveguide cladding)
Patent 5640484: Switch for automatic selection of television signal sources for delivery of television guide data
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Including programmable apparatus : Disc)
Patent 5640485: Speech recognition method and system
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Recognition : Word recognition : Specialized models)
Patent 5640486: Encoding, decoding and compression of audio-type data using reference coefficients located within a band a coefficients
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : For storage or transmission : Frequency : Specialized information :)
Patent 5640487: Building scalable n-gram language models using maximum likelihood maximum entropy n-gram models
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Recognition : Creating patterns for matching : Viterbi trellis)
Patent 5640488: System and method for constructing clustered dictionary for speech and text recognition
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Recognition : Creating patterns for matching : Clustering : Cross-correlation)
Patent 5640489: Audio synthesizer time-sharing its first memory unit between two processors
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : AUDIO SIGNAL TIME COMPRESSION OR EXPANSION (E.G., RUN LENGTH CODING) : With content reduction encoding : Sound editing)
Patent 5640490: User independent, real-time speech recognition system and method
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Recognition : Word recognition : Subportions : Cross-correlation)
Patent 5640491: Control system using an adaptive neural network for target and path optimization for a multivariable, nonlinear process
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : NEURAL NETWORK : Learning method : Beamforming (e.g., target location, radar))
Patent 5640492: Soft margin classifier
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : NEURAL NETWORK : Learning task : Classification or recognition :)
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