Patents 5172145 - 5172397

 

 

Patent 5172145: Bidirectional, cassette-loaded changer mechanism for overhead transparencies
(OPTICS: IMAGE PROJECTORS : SLIDE TRANSFER MECHANISM : Lens position adjustable)

Patent 5172146: Electronically controlled optical color correction system for a camera
(PHOTOGRAPHY : EXPOSURE DATA FROM FILM CONTAINER : Controlling optical filter : Having DC to DC converter)

Patent 5172147: Robotic photographic apparatus for handicapped persons
(PHOTOGRAPHY : CAMERA SUPPORT : Adjustable support : Having release actuator on support)

Patent 5172148: Film winding apparatus with variable ratio of film speed and winding spool speed
(PHOTOGRAPHY : WITH FILM DRIVE : Having significant electronic circuit detail : Rewind)

Patent 5172149: Drive apparatus and drive control apparatus for optical system of camera
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Power zoom : Speed control or step driving : Focus position adjusted according to focal length)

Patent 5172150: Apparatus for correcting image blur caused by camera shake
(PHOTOGRAPHY : CAMERA SHAKE SENSING : Having stabilization system : And means to move film)

Patent 5172151: Image pickup apparatus
(PHOTOGRAPHY : WITH VIEWFINDER : Electronic : Tilting)

Patent 5172152: Focal plane shutter
(PHOTOGRAPHY : CAMERA DETAIL : Shutter : Sliding plate type : Plural plates : Having drive detail : Three or more rollers)

Patent 5172153: Processing apparatus
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Having fluid-circulating means : Having electrical circuit : Plural stations)

Patent 5172154: System camera
(PHOTOGRAPHY : HAVING LENS CONVERTER OR EXTENSION TUBE : Having indicator)

Patent 5172155: Remote control apparatus for an auto-focus camera
(PHOTOGRAPHY : HAVING WIRELESS REMOTE CONTROL CIRCUIT : Camera release : And means to move film)

Patent 5172156: Camera with minimum subject-distance alarm display device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having indicator : Having lock mechanism)

Patent 5172157: Automatic light adjustment device for cameras
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having preexposure illumination : Including focusing screen)

Patent 5172158: Shutter for a single lens reflex camera
(PHOTOGRAPHY : EXPOSURE CONTROL CIRCUIT : Velocity control of shutter or diaphragm component : More than two photometering areas)

Patent 5172159: Copying apparatus with cooling device
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : With temperature or foreign particle control : And film severing)

Patent 5172160: Optical lithographic device having a machine frame with force compensation
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Step and repeat : Reflector between original and photo-sensitive paper)

Patent 5172161: Unibody printing system and process
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : LIGHT OR BEAM MARKING APPARATUS OR PROCESSES : Scan of light : Plural beam scan : Driving circuitry : Including switching means)

Patent 5172162: Apparatus for connecting an image recording device to a sheet processor
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Unit or part identification : Electrostatic)

Patent 5172163: Photovoltaic photo-receptor and electrophotographing apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Exposure or charging (e.g., fatigue treatment))

Patent 5172164: Image forming apparatus with microcapsules dispersed in the photoconductive member
(ELECTROPHOTOGRAPHY : COMBINED WITH DIVERSE SUBJECT MATTER :)

Patent 5172165: Image forming apparatus
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Seal : Developer seal : Concentration detection)

Patent 5172166: Developing apparatus
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Seal : Developer seal : Concentration detection)

Patent 5172167: Data entry apparatus
(ELECTROPHOTOGRAPHY : COMBINED WITH DIVERSE SUBJECT MATTER : With diverse image formation : Electrostatic : Light (e.g., laser, LED, LCD) : Composite image :)

Patent 5172168: Electrophotographic system haivng a developing device with a plurality of toner feeders
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Plural diverse (e.g., color) : Adding toner : Lock or clamp)

Patent 5172169: Developer carrier of a developing device and a method of producing the same
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Loading : Web or belt)

Patent 5172170: Electroded donor roll for a scavengeless developer unit
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Having cloud-forming application : Having internal rotary member)

Patent 5172171: High speed apparatus for developing electrostatic images using single component nonconductive, nonmagnetic toner
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Roller : Magnet)

Patent 5172172: Image forming apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Color : Copy medium carrier (e.g., drum or belt) : Having electrode)

Patent 5172173: Image forming device and transfer belt having contact-type electricity feeding means
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Electrostatic : Corona : Having belt transporting copy : Vacuum or pneumatic)

Patent 5172174: Transfer device with insulated shield
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Electrostatic : Roller or belt : Having belt transporting copy)

Patent 5172175: Image forming device for pressure-contacting an endless belt on an image carrier for image transferring
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Color : From plural photoconductive members (e.g., drums) : Having electrode)

Patent 5172176: Simulated central inlet/outlet oil mini-sump
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : Offset prevention : Parting agent applicator : Retractable)

Patent 5172177: Image-forming apparatus having an openable sheet guide
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Malfunction detection responsive : Light (e.g., laser, LED, LCD))

Patent 5172178: Image forming apparatus having paper size detecting means
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Job mode : Having mode change : Auto copy size or magnification : Concentration detection)

Patent 5172179: Image recorder with a paper bundling device
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Delivering from transfer position : Post-processing : Having binding : Cyclically (e.g., with movement of copy))

Patent 5172180: Image forming equipment with variable stepwise drive means operation
(ELECTROPHOTOGRAPHY : MACHINE OPERATION : Densitometer detail)

Patent 5172181: Laser system for measuring the angle of incidence of an aircraft
(OPTICS: MEASURING AND TESTING : VELOCITY OR VELOCITY/HEIGHT MEASURING : With light detector (e.g., photocell) : Of light interference (e.g., interferometer) : With displaced images)

Patent 5172182: Internal reflectance element with very small sample contacting surface
(OPTICS: MEASURING AND TESTING : SAMPLE, SPECIMEN, OR STANDARD HOLDER OR SUPPORT (E.G., PLATES OR SLIDES) : Surface standard)

Patent 5172183: Glow discharge atomic emission spectroscopy and apparatus thereof
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : With sample excitation (e.g., burning) : Using plural beams)

Patent 5172184: Electromagnetic disturbance free ring interferometer
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : By fiber or waveguide interferometer (e.g., Sagnac effect) : With diffraction grating means)

Patent 5172185: Device for determining or stabilizing the wavelength of laser light in a gaseous ambient medium
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Using fiber or waveguide interferometer : For distance or displacement measurement : By dithering (suspensions, drives, flexures))

Patent 5172186: Laser interferometry length measuring an apparatus employing a beam slitter
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Having polarization : For dimensional measurement : Displacement or distance : Polarization)

Patent 5172187: Method of determining the pretilt angle of liquid crystal molecules
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : Having wavefront division (by diffraction))

Patent 5172188: Pattern shift measuring method
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Silhouette)

Patent 5172189: Exposure apparatus
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With registration indicia (e.g., scale) : For comparison with master or desired configuration)

Patent 5172190: Alignment patterns for two objects to be aligned relative to each other
(OPTICS: MEASURING AND TESTING : BY ALIGNMENT IN LATERAL DIRECTION : With registration indicia (e.g., scale) : For comparison with master or desired configuration)

Patent 5172191: Sweeping photoreflectance spectroscopy
(OPTICS: MEASURING AND TESTING : FOR LIGHT TRANSMISSION OR ABSORPTION : For flaws or imperfections)

Patent 5172192: In-situ spectrophotometric probe
(OPTICS: MEASURING AND TESTING : FOR LIGHT TRANSMISSION OR ABSORPTION : Of fluent material : With significant sample holder or supply : Exhaust, dust or smoke)

Patent 5172193: Method of predicting cut-time of milk coagulum in cheese-making process
(OPTICS: MEASURING AND TESTING : OF LIGHT REFLECTION (E.G., GLASS) : Of photographic film)

Patent 5172194: Structures of modulation doped base hot electron transistors
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) : Heterojunction : Ballistic transport device : Employing resonant tunneling)

Patent 5172195: Double heterostructure GaAlAs 610-640 nm LED
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : With heterojunction : Plural heterojunctions in same device : With heterojunction)

Patent 5172196: Nonvolatile semiconductor memory device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : With floating gate electrode : With additional contacted control electrode : With capacitor electrodes connection portion located centrally thereof (e.g., fin electrodes with central post))

Patent 5172197: Hemt structure with passivated donor layer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : With lattice constant mismatch (e.g., with buffer layer to accommodate mismatch) : Having narrow energy band gap (<<1eV) layer (e.g., PbSnTe, HgCdTe, etc.))

Patent 5172198: MOS type semiconductor device
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Logic connection (e.g., NAND string) : Weak inversion injection)

Patent 5172199: Compact nonvolatile semiconductor memory device using stacked active and passive elements
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Data security : Overlays)

Patent 5172200: MOS memory device having a LDD structure and a visor-like insulating layer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : With floating gate electrode : With increased effective electrode surface area (e.g., tortuous path, corrugated, or textured electrodes))

Patent 5172201: Semiconductor memory device with increased capacitance of capacitor and manufacturing method thereof
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Stacked capacitor : Parallel interleaved capacitor electrode pairs (e.g., interdigitized) : With capacitor electrodes connection portion located centrally thereof (e.g., fin electrodes with central post) :)

Patent 5172202: Semiconductor memory cell having high density structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Stacked capacitor : With means to insulate adjacent storage nodes (e.g., channel stops or field oxide))

Patent 5172203: Semiconductor device with polycrystalline silicon active region and method of fabrication thereof
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : NON-SINGLE CRYSTAL, OR RECRYSTALLIZED, SEMICONDUCTOR MATERIAL FORMS PART OF ACTIVE JUNCTION (INCLUDING FIELD-INDUCED ACTIVE JUNCTION) : Field effect device in non-single crystal, or recrystallized, Semiconductor material : Amorphous semiconductor is alloy or contains material to change band gap (e.g., Si x Ge 1-x , SiN y ))

Patent 5172204: Artificial ionic synapse
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : NEURAL NETWORK : Structure : Semiconductor neural network : Single-layer)

Patent 5172205: Piezoresistive semiconductor device suitable for use in a pressure sensor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Having insulated electrode (e.g., MOSFET, MOS diode))

Patent 5172206: Solid state image pickup device with mirrors
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Light responsive or combined with light responsive device : Imaging array : With groove or overhang for alignment)

Patent 5172207: Semiconductor wafer to be etched electrochemically
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Responsive to non-optical, non-electrical signal : Physical deformation (e.g., strain sensor, acoustic wave detector) : Electrode structures or materials)

Patent 5172208: Thyristor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : SCHOTTKY BARRIER : In integrated structure : With specified Schottky metal)

Patent 5172209: Integral Bi-CMOS logic circuit
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : Overlapping gate electrodes)

Patent 5172210: Master slice integrated circuit having a memory region
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : GATE ARRAYS : With particular signal path connections : With wiring channel area : Combined with diverse type device)

Patent 5172211: High resistance Polysilicon load resistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Passive components in ICs : Including resistive element : Both terminals of capacitor isolated from substrate)

Patent 5172212: Semiconductor having an improved electrode pad
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Bump leads : Ball shaped : Devices held in place by clamping)

Patent 5172213: Molded circuit package having heat dissipating post
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : ENCAPSULATED : With heat sink embedded in encapsulant : Including glass)

Patent 5172214: Leadless semiconductor device and method for making the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : LEAD FRAME : With structure for mounting semiconductor chip to lead frame (e.g., configuration of die bonding flag, absence of a die bonding flag, recess for LED) : Of insulating material)

Patent 5172215: Overcurrent-limiting type semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With enlarged emitter area (e.g., power device) : With housing or contact (i.e., electrode) means : With current ballasting means (e.g., emitter ballasting resistors or base current ballasting means))

Patent 5172216: Signal waveform display device
(TELEVISION : MONITORING, TESTING, OR MEASURING : Monitor : Combined plural functions (e.g., picture and waveform monitor) : With rotating reflector)

Patent 5172217: Transcoder for spatial manipulation of composite color television signals
(TELEVISION : RECEIVER CIRCUITRY : Demodulator : Color television : Including processor interface (e.g., CPU))

Patent 5172218: Methods of and apparatus for digital video signal processing
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive)

Patent 5172219: Color signal compensation apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Transition or edge sharpeners : Color television processing : Luminance transition controls chrominance transition : For color television)

Patent 5172220: Day-night black and white and color video camera
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With plural image scanning devices : With DC level control)

Patent 5172221: Picture projecting apparatus for a projection display system and the method thereof
(TELEVISION : VIDEO DISPLAY : Projection device : Single light modulator : Color TV : Liquid crystal : Including frame or field delays (e.g., motion adaptive))

Patent 5172222: High definition color display device
(TELEVISION : VIDEO DISPLAY : Projection device : Plural parallel light modulators : Liquid crystal : Keyed)

Patent 5172223: Method of processing a color image to obtain color and black reproduction signals
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Black signal synthesis : With memory for storage of conversion data)

Patent 5172224: Printer calibration method using electronically-decoupled color and tone scale adjustments
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color separation : Solid-state)

Patent 5172225: Endoscope system
(TELEVISION : SPECIAL APPLICATIONS : With endoscope : With additional adjunct (e.g., recorder control, etc.) : Color sequential illumination)

Patent 5172226: Motion vector detecting apparatus and image stabilizer including the same
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Moving reflector)

Patent 5172227: Image compression with color interpolation for a single sensor image system
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Transform : Discrete cosine : Half-pixel refinement)

Patent 5172228: Image compression method and apparatus employing distortion adaptive tree search vector quantization
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Vector quantization : Discrete cosine)

Patent 5172229: Sync vector generator for composite vectorscopes
(TELEVISION : MONITORING, TESTING, OR MEASURING : Monitor : Vectorscope : With rotating reflector)

Patent 5172230: Apparatus for recording and reading an image on a medium and detecting errors and media defects
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using light or beam : Separately recorded)

Patent 5172231: S-band video signal transmitter
(TELEVISION : TELEVISION TRANSMITTER CIRCUITRY : Modulator : Plural processing units)

Patent 5172232: Method and apparatus for communication channel identification and signal restoration
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Ghost elimination (e.g., multipath) : Complementary system (e.g., preemphasis - deemphasis))

Patent 5172233: Still camera apparatus
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Camera image stabilization : Electrical motion detection : With rotating reflector)

Patent 5172234: Camera having an electronic zooming display feature
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Zoom : Electronic zoom : Details of communication between memory and camera)

Patent 5172235: Imaging system for simultaneous viewing of two images
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Optical multiplexing : Exclusively dichroic elements)

Patent 5172236: Electronic pan-focusing apparatus for producing focused images independent of depth of field and type of lens
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : Focus control : Using image signal : By analyzing high frequency component : Plural high frequencies :)

Patent 5172237: High quality color image compression system
(IMAGE ANALYSIS : COLOR IMAGE PROCESSING : Compression of color images : Alphanumerics)

Patent 5172238: Image recording apparatus with selection between a simultaneously present rolled sheet conveyor and cut sheet conveyor where printing is
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)

Patent 5172239: Signal generator for generating a control signal including a reference signal and signal separator for separating the reference signal from
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Recording amplifier)

Patent 5172240: Information signal discriminating apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Drop-out correction :)

Patent 5172241: Recording/playback system for VCR
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Digital technique)

Patent 5172242: Visual presentation system employing two or more video disk players for providing as many correlated images
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using disc : Selective mode (e.g., still or motion))

Patent 5172243: Data transmitter-receiver apparatus for transmitting and receiving image data
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific image-processing circuitry)

Patent 5172244: Digital copier
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Image reproduction system : Composite image)

Patent 5172245: Electronic information retrieval apparatus for image information using primary and secondary menus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Document filing and retrieval system : Composite image)

Patent 5172246: Image communication method and apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile measuring, testing, or calibrating : Composite image)

Patent 5172247: High speed digital error diffusion process for continuous tone image-to-binary image conversion
(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 5172248: Method for forming halftone screen and apparatus therefor
(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) : Screen property or geometry (e.g., shape, period, symmetry, aspect ratio) : Stochastic or random dithering)

Patent 5172249: Photoelectric converting apparatus with improved switching to reduce sensor noises
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Solid state : Including a polygon reflector)

Patent 5172250: Hologram scale having moisture resistance
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT :)

Patent 5172251: Three dimensional display system
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : For synthetically generating a hologram : Having nonplanar recording medium surface)

Patent 5172252: Hologram scanner and method of recording and reproducing hologram in the hologram scanner
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : With aberration correction : Crystalline material)

Patent 5172253: Neural network model for reaching a goal state
(DATA PROCESSING: ARTIFICIAL INTELLIGENCE : NEURAL NETWORK : Learning task : Constraint optimization problem solving :)

Patent 5172254: Projection-type liquid crystal display apparatus
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Plural light path projectors : Having light separated into S and P polarization :)

Patent 5172255: Process for increasing pretilt angles in nematic liquid crystal cells
(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 : Formed by particular technique (e.g., Langmuir Blodgett, stretching, etc.) : Having structure produced by rubbing under particular rubbing conditions (e.g., particular direction, rubbing force, by using named rubbing material or roller, etc.) : With gate electrode between liquid crystal and semiconductor layer)

Patent 5172256: Liquid crystal variable color density lens and eye protective devices incorporating the same
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Liquid crystal eyewear (glasses, goggles, etc.) : For protection : Wherein liquid crystal cells include microencapsulated or polymer dispersed liquid crystal)

Patent 5172257: Twisted ferroelectric liquid crystal modulator for providing gray scale
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL OPTICAL ELEMENT : Liquid crystal etalon : Including passive liquid crystal switch portion)

Patent 5172258: Method and apparatus for high data rate fiber optic communication system
(OPTICAL COMMUNICATIONS : MULTIPLEX : Time division : By specific optical element : Wavelength control)

Patent 5172259: Embedded control network
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical local area network (LAN) : space)

Patent 5172260: Method for phase compensation of optical regenerator equipment
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Including synchronization : Clock recovery : Using optical phase conjugation)

Patent 5172261: Oscillatory mirror device with two exciting means
(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) : Including reflective type moving element : Having oscillating element : Single plane mirror element :)

Patent 5172262: Spatial light modulator and method
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : By moving a reflective element : Including reflective type moving element)

Patent 5172263: Multi-pass laser amplifier system
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Multiple pass : Semiconductor)

Patent 5172264: Method and apparatus for combining continuous wave laser with TEA pulsed laser
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Beam combination or separation : Regenerative)

Patent 5172265: Microscope with salient hand-support
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Microscope : Two or more in a series)

Patent 5172266: Real time three dimensional display
(OPTICAL: SYSTEMS AND ELEMENTS : RELIEF ILLUSION : Stereo-viewers)

Patent 5172267: Optical reflector structure, device, method of fabrication, and communications method
(OPTICAL: SYSTEMS AND ELEMENTS : SIGNAL REFLECTOR : Sealing)

Patent 5172268: Image stabilizing optical system
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : By movable refractive structure : Having plural reflecting surfaces)

Patent 5172269: Anti-reflection film for plastic optical component
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT INTERFERENCE : Produced by coating or lamina : By nonmovable driving element (e.g., piezoelectric, magnetostrictive))

Patent 5172270: Invertible display with a kaleidoscope
(OPTICAL: SYSTEMS AND ELEMENTS : KALEIDOSCOPE : Including particles loosely housed for agitation : Collapsible or foldable)

Patent 5172271: Graded index lens structure suitable for optical fiber termination
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With graded refractive index : Projection type)

Patent 5172272: Imaging lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With graded refractive index : Having a radial gradient : Having less than four components)

Patent 5172273: Zoom lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Other than first group moves for focusing (internal focus type) : Cylindrical lenslets)

Patent 5172274: Large aperture, medium telephoto lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Telephoto : Echelon (e.g., Fresnel lens, etc.))

Patent 5172275: Apochromatic relay lens systems suitable for use in a high definition telecine apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Multiple component lenses : Seven components : Having curvilinear lens)

Patent 5172276: Structure for stabilizing image in optical system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens movable in its plane : Hand held)

Patent 5172277: Kinematic fixturing of optic components
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : With temperature compensation or control : With third component biconvex)

Patent 5172278: Buckminsterfullerenes for optical limiters
(OPTICAL: SYSTEMS AND ELEMENTS : ABSORPTION FILTER : With selective absorption or transparent overcoating)

Patent 5172279: Precision film input gate
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL APERTURE OR TUBE, OR TRANSPARENT CLOSURE : With support or frame)

Patent 5172280: Apparatus and method for automatic write current calibration in a streaming tape drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : MONITORING OR TESTING THE PROGRESS OF RECORDING : Frequency)

Patent 5172281: Video transcript retriever
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Locating specific areas : Responsive to recorded address :)

Patent 5172282: Single motor data storage device utilizing centrifugal force and counteracting spring
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track changing : For rotary carrier (e.g., disc) : Including particular head actuator : Controlled by memory device)

Patent 5172283: Mode changing slider plate mechanism for tape recording and/or reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)

Patent 5172284: Cassette loading mechanism for loading cassette with sliding shutter over tape opening of cassette with no shutter
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Transport accommodates different types : Drum)

Patent 5172285: Loading mechanism and recording and/or reproducing apparatus comprising such a loading mechanism
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Plural reels : Container mounting details : With common capstan drive)

Patent 5172286: Load beam interlocking boss
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Load beam detail : Actuator mount region detail : Ball staking : Voice coil adjuster)

Patent 5172287: Magnetic disc apparatus having uniform torque imparting means for imparting uniform torque irrespective of rotational position of a head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For shifting head between tracks : Disk record : Arcuate head movement : Driver detail : Actuator side detail)

Patent 5172288: Magnetic recording medium and a tape guide in a cartridge
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : Pressure element)

Patent 5172289: Automatic insulation tester for grounded and ungrounded electrical equipment
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : Motor protective condition responsive circuits : Voltage responsive)

Patent 5172290: Gate-source protective circuit for a power MOSFET
(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 5172291: Intelligent power controller
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific quantity comparison means : Phase : With time delay protective means)

Patent 5172292: Apparatus for protecting electronic equipment powered from a marine power source
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific voltage responsive fault sensor : Undervoltage : Protection for thyristor)

Patent 5172293: Circuit breaker with leakage current detecting functions
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : With mechanical circuit breaker : With transistor circuit interrupter)

Patent 5172294: Protection switch
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific circuit breaker or control structure : Plural conductors in single sheath (e.g., compound))

Patent 5172295: Voltage limiter arrangement with receiving member for connection to a surge arrester magazine
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Pneumatically operated circuit breaker)

Patent 5172296: Solid state overvoltage protector assembly
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Surge prevention (e.g., choke coil) : In communication systems : With multiple timing characteristics (e.g., short, long))

Patent 5172297: Lightning arrestor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : High voltage dissipation (e.g., lightning arrester) : Current limiting material in discharge path : With cutout (e.g., blowout type))

Patent 5172298: Electromagnetic actuator
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : Systems for magnetizing, demagnetizing, or controlling the magnetic field : Including particular drive circuit : Magnetic tape)

Patent 5172299: Multilayer capacitor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Ceramic, glass, or oxide particles : With multilayer ceramic capacitor : With stabilizer or modifying substance)

Patent 5172300: Electric power distribution panelboard-switchboard 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 5172301: Heatsink for board-mounted semiconductor devices and semiconductor device assembly employing same
(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 : Plural)

Patent 5172302: Ignition coil unit for an internal combustion engine
(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 5172303: Electronic component assembly
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : Cordwood type : Selective connections)

Patent 5172304: Capacitor-containing wiring board and method of manufacturing the same
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : Component within printed circuit board : Capacitor and electrical component : Circuit board mounted)

Patent 5172305: Circuit board enclosure with displaceable power supply
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Plural : With housing or chassis : Plural dielectric layers)

Patent 5172306: Adaptive card mounting system
(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 alignment or guide means : Circuit board mounted)

Patent 5172307: Activated carbon/polyacene composite and process for producing the same
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROLYTIC SYSTEMS OR DEVICES : Double layer electrolytic capacitor : Plural)

Patent 5172308: DC-DC converter with transformer having a single secondary winding
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : With dynamic rectifier in phase 2 to D.C. stage (e.g., commutator type))

Patent 5172309: Auxiliary quasi-resonant dc link converter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Using semiconductor-type converter : In transistor inverter systems : Bridge type : With magnetic control means)

Patent 5172310: Low impedance bus for power electronics
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With conductive support mounting : 110/220 Volts A.C. in, constant 110 Volts D.C. out)

Patent 5172311: Electrical amplifier for controlling valves
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Sequential or selective : Of analog controllers)

Patent 5172312: Control system and method for determining control parameters of plants
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Having model : Having status indication)

Patent 5172313: Computerized management system
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Operations research : Coordination of plural reservations (e.g., plural trip segments; transportation and accommodation, etc.))

Patent 5172314: Apparatus for communicating price changes including printer and display devices
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Secure transaction (e.g., EFT/POS))

Patent 5172315: Automatic travelling apparatus and method
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Automatic route guidance vehicle : Having image processing : Modification or correction of route information)

Patent 5172316: Computer controlled railway brake equipment
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Adaptive control)

Patent 5172317: Automatic travelling apparatus
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Automatic route guidance vehicle : Having image processing : Modification or correction of route information)

Patent 5172318: Method for the detection of curves and the determination of the transverse acceleration in a vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Antiskid, antilock, or brake slip control : During cornering or turning of vehicle : Using a transmission ratio as feedback control)

Patent 5172319: Drive wheel slip control system for vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Antispin, traction control, or drive slip control : Having particular slip threshold, target slip ratio, or target engine torque determining means : Having fuel cutting or ignition timing retarding)

Patent 5172320: Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter
(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 : Control of air/fuel ratio or fuel injection :)

Patent 5172321: Vehicle route planning system
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Location monitoring : At system equipment (i.e., base station) : Based on service quality (e.g., bandwidth, etc.))

Patent 5172322: Vehicular traveling direction measuring system with automatic center coordinate position correction
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : Great circle route)

Patent 5172323: Apparatus for determining the attitude of a vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : Using inertial sensor : Means to improve accuracy of position or location)

Patent 5172324: Electronic steering system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : With indicated course correction (compass deviation) : With radar or optical ground scanner)

Patent 5172325: Method for balancing rotating machinery
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Determining balance or center of gravity (e.g., load distribution of vehicle) : With course diversion)

Patent 5172326: Patterned web cutting method and system for operation manipulation of displayed nested templates relative to a displayed image of a patterned
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Textile : Pattern cutting : Having particular pattern producing operation (e.g., dyeing))

Patent 5172327: Automatic programming method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Tool selection/change : Protective or diagnostic feature)

Patent 5172328: Food preparation system and method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Heating : Oven : Multizone)

Patent 5172329: Microprocessor-based digital protective relay for power transformers
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Electrical power generation or distribution system : System protection (e.g., circuit interrupter, circuit limiter, voltage suppressor) : Abnormal power, current, or impedance condition : For turbine speed control)

Patent 5172330: Clock buffers arranged in a peripheral region of the logic circuit area
(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 5172331: Apparatus and method for effecting exposure of sample to charged particle beam
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : DESIGN OF SEMICONDUCTOR MASK : Pattern exposure : PLA, PLD, FPGA, OR MCM)

Patent 5172332: Automatic fluid sampling and monitoring apparatus and method
(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 5172333: Interfacing hand-held remote controllers for computer controlled operation
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Including keyboard support : Fluid)

Patent 5172334: Circuit arrangement for defining the positions of extrema of a correlation function
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Finite arithmetic effect :)

Patent 5172335: Semiconductor memory with divided bit load and data bus lines
(STATIC INFORMATION STORAGE AND RETRIEVAL : INTERCONNECTION ARRANGEMENTS : Magnetic)

Patent 5172336: Method of transferring Bloch lines
(STATIC INFORMATION STORAGE AND RETRIEVAL : MAGNETIC SHIFT REGISTERS : Thin film : Plated wire)

Patent 5172337: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ ONLY SYSTEMS (I.E.. SEMIPERMANENT) : Fusible : With other type core)

Patent 5172338: Multi-state EEprom read and write circuits and techniques
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Multiple values (e.g., analog) : Overlays)

Patent 5172339: Semiconductor memory device having error checking and correcting circuit and operating method therefor
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)

Patent 5172340: Double stage bipolar sense amplifier for BICMOS SRAMS with a common base amplifier in the final stage
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Noise suppression : Differential sensing : Sense/inhibit)

Patent 5172341: Serial dram controller with multi generation interface
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Data refresh : Holographic)

Patent 5172342: Portable semiconductor memory unit
(STATIC INFORMATION STORAGE AND RETRIEVAL : POWERING : Having fuse element)

Patent 5172343: Aberration correction using beam data from a phased array ultrasonic scanner
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ACOUSTIC IMAGE CONVERSION : With plurality of transponders)

Patent 5172344: Deep submergence transducer
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Underwater type : With impedance matching means : Electrically driven underwater bells or sirens)

Patent 5172345: Geophone system
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Receivers : Transducer with resonant or damping structure)

Patent 5172346: Method and apparatus for the remote control of a hearing aid means
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SELECTIVE (E.G., REMOTE CONTROL) : Distance or direction finding)

Patent 5172347: Time displaying apparatus
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : COMBINED WITH DISPARATE DEVICE : Electrical device)

Patent 5172348: Wristwatch adapted to receive messages broadcast by radio
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : PLURAL TIMEPIECE SYSTEM OR SYSTEM DEVICE (E.G., PRIMARY OR SECONDARY CLOCKS) : With wireless synchronization : With jumper spring)

Patent 5172349: Electronic timepiece with analog display
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : ELECTRICAL TIME BASE : Solid state oscillating circuit type : For reciprocating or oscillating element : Case controlled)

Patent 5172350: Timekeeping device
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : DISPLAYS OR DISPLAY DEVICE DETAILS : Dial or hand : Including hand details only : Of dial fasteners)

Patent 5172351: Piece mechanisms for watch movements
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : CROWN OR STEM DETAILS : With support details)

Patent 5172352: Laser recording/reproducing apparatus for an optical disk having a driving circuit for maintaining a servo signal at a predetermined level
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONDITION INDICATING, MONITORING, OR TESTING : Including radiation storage or retrieval : Of record carrier : By detection of storage medium incident radiation : Defect)

Patent 5172353: Track seeking control apparatus for use in data recording/reproduction systems having data tracks thereon
(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 5172354: Compatible disk player for playing multi-size disks and having a mode for selecting one disk type
(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 : Structure for shaping beam or causing astigmatic condition)

Patent 5172355: Photo-detecting device including offset correction
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Means to compensate for defect or abnormal condition : Servo loop gain/switching control)

Patent 5172356: Separation type 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 : Scanning turntable)

Patent 5172357: Phase-synchronous controller for production of reference clock signal in optical disk drive system
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONTROL OF STORAGE OR RETRIEVAL OPERATION BY A CONTROL SIGNAL TO BE RECORDED OR REPRODUCED : Control of information signal processing channel : For phase, timing, or rate processing : Using a reproduced information of specified preformat, header, or reference area)

Patent 5172358: Loudness control circuit for an audio device
(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 gain processing : Within a frequency band : Having location identification information)

Patent 5172359: System for recording digital data
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : BINARY PULSE TRAIN INFORMATION SIGNAL : Having specific code or form generation or regeneration processing : During storage : Signal error correcting or detecting)

Patent 5172360: Loading device and disc record player comprising the loading device
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : PARTICULAR CABINET STRUCTURE FOR OPTICAL MEDIA : Tray or drawer loading or ejecting :)

Patent 5172361: Disc loading apparatus
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : PARTICULAR CABINET STRUCTURE FOR OPTICAL MEDIA : Tray or drawer loading or ejecting : Clamping or chucking media structure : Pivotable chassis mounted turntable or pickup :)

Patent 5172362: Recording medium loading mechanism
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : PARTICULAR CABINET STRUCTURE FOR OPTICAL MEDIA : Capable of only accepting protected insertable single optical medium : Transferring mechanism : Horizontal transference during insertion : Having non-cylindrical roller)

Patent 5172363: Method and apparatus for automatic recording of marker during information recording
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : DUPLICATION OR COPYING (E.G., RERECORDING) : To diverse type of storage medium : Having parallel acoustic paths)

Patent 5172364: Magneto-optic recording apparatus with controlled magnetic field generation
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Tracks transverse to a motion component)

Patent 5172365: System for predicting laser end-of life from the power vs. current curve of the diode
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Light intensity adjustment or maintenance : With driving or stabilizing mechanism)

Patent 5172366: Optical information reproducing apparatus with selective photodetector output
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Having particular radiation sensor : With movement of optical beam (e.g., galvanometer))

Patent 5172367: Optical pickup guide rail positioning mechanism
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : DYNAMIC MECHANISM OPTICAL SUBSYSTEM : Transducer carriage or actuator : Supported by linear guide rail or rod : Rail attachment to base : Backlash prevention)

Patent 5172368: Reader for optical recording medium
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Having particular optical element or particular placement thereof in radiation beam path to or from storage medium : Diffractive : Sectioned optical element : Prism, mirror, or waveguide section : Prism, mirror, or waveguide section)

Patent 5172369: Optical pickup, optical information recording carrier and recording and reproducing apparatus thereof
(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 : Particular lens : Plural distinct lenses : Prism, mirror, or waveguide section)

Patent 5172370: Disk reproducing apparatus equipped with a pickup device capable of reading both sides of a disk
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : DYNAMIC MECHANISM OPTICAL SUBSYSTEM : Having power driven optical transducer assembly : Single optical transducer plays both sides of disc record : Voice coil)

Patent 5172371: Growable switch
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Including sorting and merging networks : Having a signaling feature)

Patent 5172372: Method and apparatus for determining transmission line for message transmission and reception in network system
(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 5172373: Packet communication system and its control method
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Using a separate control line or bus for access control : Concentrator)

Patent 5172374: Access protocol for ultra-wide coherent optical local network for managing various kinds of traffic
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Centralized switching : Star configuration : Including a ring or loop for interconnecting inputs and outputs)

Patent 5172375: Multiple access satellite communication system for mini-earth station networks
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Airborne or space satellite repeater : Multiple access (e.g., FDMA) : Time division (TDMA) : Channel reservation scheme :)

Patent 5172376: SDH rejustification
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Synchronizing : Using synchronization information contained in a frame : Transmission time into time slots adjusted based upon propagation delay time)

Patent 5172377: Method for testing mixed scan and non-scan circuitry
(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 5172378: Error detection method and apparatus for processor having main storage
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Device response compared to expected fault-free response : Clock or synchronization)

Patent 5172379: High performance memory system
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Memory access : Code word for plural n-bit (n>1) storage units (e.g., x4 DRAM's) : Error checking code)

Patent 5172380: Digital signal transmission apparatus
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Double encoding codes (e.g., product, concatenated) : Bus or I/O channel device fault)

Patent 5172381: Enhanced data formats and machine operations for enabling error correction
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Synchronization : Solid state memory)

Patent 5172382: Ultrahigh frequency optical self-modulator
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Modulation : Frequency multiplying (e.g., harmonic generator))

Patent 5172383: Mode partition noise screening apparatus
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Optical output stabilization : Frequency : Rotating prism)

Patent 5172384: Low threshold current laser
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular confinement layer :)

Patent 5172385: Polarization-selective integrated optoelectronic devices incorporating crystalline organic thin films
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Monolithic integrated : Having photodetection means : With vertical output (surface emission))

Patent 5172386: Dye laser amplifier including a specifically designed diffuser assembly
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Liquid : Dye : Monolithic integrated)

Patent 5172387: Single spectral line laser
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Plural active media or active media having plural dopants : Disc-shaped)

Patent 5172388: Method and apparatus for an increased pulse repetition rate for a CW pumped laser
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Pumping with optical or radiant energy : Disc-shaped)

Patent 5172389: Gas laser apparatus
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Electrical : Having particular electrode structure : Traveling wave)

Patent 5172390: Pre-aligned diode laser for external cavity operation
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : With depopulation of lower states)

Patent 5172391: Polarization controlling system for lasers
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Specified cavity component : Polarizer : Aerodynamic window)

Patent 5172392: Apparatus for the analysis in continuous mode and in impulse mode of the distribution of energy within a power laser beam and the alignment of
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Mirror support or alignment structure : Polarizer)

Patent 5172393: Circuit arrangement for channel-specific processing of a multi-channel input signal
(PULSE OR DIGITAL COMMUNICATIONS : PULSE CODE MODULATION : Pulse code modulation)

Patent 5172394: Method for reducing the content of spurious signals in the output signals of a mixer, and mixer for carrying out the method
(PULSE OR DIGITAL COMMUNICATIONS : TRANSMITTERS : Quadrature amplitude modulation : Power amplifier)

Patent 5172395: Method of and apparatus for deriving an indication of noise content of data bits
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Correlative or matched filter)

Patent 5172396: Public service trunking simulcast system
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Network synchronizing more than two stations : Gating, blanking, etc.)

Patent 5172397: Single channel serial data receiver
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Self-synchronizing signal (self-clocking codes, etc.) : Gating, blanking, etc.)

 

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