Patents 5231425 - 5231677

 

 

Patent 5231425: Storage container
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid supply system : Cartridge : With integral ejector : Drop sensors)

Patent 5231426: Nozzleless droplet projection system
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Discharge means : Free surface : Movement)

Patent 5231427: Image recording apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With electric field ejection (applied to fluid) : Movement)

Patent 5231428: Imaging device which compensates for fluctuations in the speed of an image receiving surface
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : By information carrying flow of invisible charged particles : Specific ionographic head : Fluid assisted charged particle flow or generation : Drop sensors)

Patent 5231429: Foldable spectacle frame
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Folding : Spring biased or secured by friction members)

Patent 5231430: Ophthalmic apparatus
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : EYE EXAMINING OR TESTING INSTRUMENT : Subjective type : Including test chart or target : Illuminated : Having plural disc carrier)

Patent 5231431: Projection type display apparatus
(OPTICS: IMAGE PROJECTORS : COMPOSITE PROJECTED IMAGE : Multicolor picture : Automatic)

Patent 5231432: Projector utilizing liquid crystal light-valve and color selection by diffraction
(OPTICS: IMAGE PROJECTORS : COMPOSITE PROJECTED IMAGE : Multicolor picture : Automatic)

Patent 5231433: Reflecting illumination projecting device
(OPTICS: IMAGE PROJECTORS : EPIDIASCOPE (I.E., SELECTIVE OPAQUE AND TRANSPARENCY PROJECTOR) : Blower)

Patent 5231434: Overhead projector for LCD panel
(OPTICS: IMAGE PROJECTORS : MISCELLANEOUS : Slides gripped or hooked)

Patent 5231435: Aerial camera mounting apparatus
(PHOTOGRAPHY : AERIAL CAMERA : Support or holder : Plural images recorded on plural film)

Patent 5231436: Compact camera with flip open flash unit
(PHOTOGRAPHY : WITH OBJECT ILLUMINATION FOR EXPOSURE : Having flash built into camera : Folding flash : And reflector or refractor)

Patent 5231437: Camera with power zoom function and interchangeable lens with power zoom function
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Power zoom : Having mechanical interlock)

Patent 5231438: Camera with interlock for cover piece and cartridge light shield
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Plate or cut film holder : Closure lock or check : Adjustable)

Patent 5231439: Photographic film handling method
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Dark cabinet : Having film support or handling means : Roll film handling : Having motor driven film winding spool : Three or more rollers)

Patent 5231440: Method of and apparatus for forming volume type phase hologram
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Heating, cooling, or temperature detecting : Transmittivity/reflectivity of photographic medium sensing)

Patent 5231441: Focusing device for driving focusing lens group according to a position of zoom lens group
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Having focus operation : Including focus/distance detecting circuit : Focus position adjusted according to focal length : Operating on rolled material)

Patent 5231442: Camera with zoom lens operation display device
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Having focus operation : Including focus/distance detecting circuit : Plural tanks)

Patent 5231443: Automatic ranging and automatic focusing
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Lens characteristic compensating : By modifying electric focus or drive signal : Focus position adjusted according to focal length)

Patent 5231444: Camera system including rear conversion lens
(PHOTOGRAPHY : HAVING LENS CONVERTER OR EXTENSION TUBE : Having indicator)

Patent 5231445: Image stabilizing device for camera
(PHOTOGRAPHY : CAMERA SHAKE SENSING : Having stabilization system : And means to move film)

Patent 5231446: Red-eye preventing device
(PHOTOGRAPHY : HAVING WIRELESS REMOTE CONTROL CIRCUIT : Camera release : And means to move film)

Patent 5231447: Automatic light adjustment camera and exchangable lenses therefor
(PHOTOGRAPHY : FLASH SYSTEM RESPONSIVE TO FOCAL LENGTH OR DISTANCE : Camera release)

Patent 5231448: Photometric apparatus for a camera
(PHOTOGRAPHY : HAVING PHOTOCELL AT SPECIFIC POSITION WITHIN CAMERA : Having light reflected from film or shutter or through film : Electro-optical element)

Patent 5231449: Zoom lens barrel and camera incorporating such barrel
(PHOTOGRAPHY : CAMERA DETAIL : Having printed circuit detail : Modular body)

Patent 5231450: Three-dimensional color image printer
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : With developing : Book page copying)

Patent 5231451: Method of recording information onto a photographic film and apparatus therefor
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : With film severing : And film severing)

Patent 5231452: Image forming control method using variable state factors and fuzzy computation
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Artificial intelligence : Single detector for plural toners)

Patent 5231453: Image recording apparatus with rolled protective cover for process unit
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Process cartridge unit : Including cover : Toner cartridge)

Patent 5231454: Charge director replenishment system and method for a liquid toner developing apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : In response to light from original)

Patent 5231455: Air jet cleaner for one pump color imager
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Plural diverse (e.g., color) : Single applicator : Lock or clamp)

Patent 5231456: Image forming apparatus having a disordering device for disordering a developing agent remaining on an image bearing member
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Combined or plural functions by single component : Development and cleaning : Simultaneously : Toner cartridge)

Patent 5231457: Method and apparatus for preventing attraction of a work sheet to a toner image forming surface
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Electrostatic : Corona : Having belt transporting copy : Vacuum or pneumatic)

Patent 5231458: Printer which utilizes previously used developer
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Conditioning of toner : Fountain)

Patent 5231459: Laser beam printer with no paper supply cassette
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Paper path access : New and waste toner container)

Patent 5231460: Automatic lens meter
(OPTICS: MEASURING AND TESTING : LENS OR REFLECTIVE IMAGE FORMER TESTING : Focal length measuring : Including polarimeters)

Patent 5231461: Solar monochromator for filter calibration
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrometer : Having beam modulation)

Patent 5231462: Optical spectrophotometer with wavelength modulation
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrometer : Having diffraction grating means : Prior to testing)

Patent 5231463: Method for on-line fiber flow measurement
(OPTICS: MEASURING AND TESTING : FOR SIZE OF PARTICLES : By particle light scattering : Having adjustable color or bandwidth)

Patent 5231464: Highly directional optical system and optical sectional image forming apparatus employing the same
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Using fiber or waveguide interferometer : Lock-in prevention)

Patent 5231465: High efficiency fiber absorber and method for attenuating pump light in a broadband fiber optic light source
(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) : Having null feedback loop : Including an alternating reference path)

Patent 5231466: Capillary fluid stream concentration measuring apparatus and method
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For refractive indexing : Contour or profile)

Patent 5231467: Reflective alignment position signal producing apparatus
(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) : Alignment : Polarization)

Patent 5231468: Beam shuttering interferometer and method
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Contour or profile : By wavefront detection : Of highly reflective surface (e.g., mirror) : Having wavefront division (e.g., by diffraction))

Patent 5231469: Laser position indicator for valve stem
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Silhouette)

Patent 5231470: Scanning system for three-dimensional object digitizing
(OPTICS: MEASURING AND TESTING : SHAPE OR SURFACE CONFIGURATION : Triangulation : Wheel alignment)

Patent 5231471: Alignment and 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 5231472: Color matching and characterization of surface coatings
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : With registration indicia (e.g., scale))

Patent 5231473: Lens barrel
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : With macro-type focusing)

Patent 5231474: Semiconductor device with doped electrical breakdown control region
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With overvoltage protective means : Substrate is single crystal insulator (e.g., sapphire or spinel))

Patent 5231475: Method and apparatus for generating video signal representing controllable color matte
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Color change type)

Patent 5231476: Luminance/chrominance separating apparatus
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Masking (e.g., R, G, B to R`, G`, B`))

Patent 5231477: Comb filter
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Including comb filter (e.g., using line, field, frame delays) : Including feedback control)

Patent 5231478: Adaptive control signal generator for an adaptive luminance/chrominance separator
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Masking (e.g., R, G, B to R`, G`, B`))

Patent 5231479: Luminance/chrominance signal separation circuit having filter circuit using pulse patterns suppressing circuit
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Chrominance-luminance signal separation : Including comb filter (e.g., using line, field, frame delays) : Adaptive comb filter : Including optical sensor to observe display (e.g., CRT))

Patent 5231480: Airborne imaging lidar system employing towed receiver or transmitter
(TELEVISION : BACK SCATTER REDUCTION : False color)

Patent 5231481: Projection display device with negative feedback loop to correct all the faults of the projected image
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Color balance or temperature (e.g., white balance) : Receiver type : Including feedback control : Including optical sensor to observe display (e.g., CRT) : Window signal generator (e.g., rectangle))

Patent 5231482: Image filing apparatus and method for thereby encoding and storing various documents
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)

Patent 5231483: Smart tracking system
(TELEVISION : OBJECT TRACKING : Infrared)

Patent 5231484: Motion video compression system with adaptive bit allocation and quantization
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Quantization : Feed forward :)

Patent 5231485: Method and apparatus for transforming between fixed-rate vector quantized data and variable rate vector quantized data
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive : Quantization : Having SAW or charge-transfer device)

Patent 5231486: Data separation processing in a dual channel digital high definition television system
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Variable length coding : Discrete cosine)

Patent 5231487: Storage of video signals
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive)

Patent 5231488: System for displaying and reading patterns displayed on a display unit
(TELEVISION : MONITORING, TESTING, OR MEASURING : Monitor : VITS or ILTS)

Patent 5231489: Moire measurement system using spectral analysis
(TELEVISION : MONITORING, TESTING, OR MEASURING : Test signal generator : Color match comparator)

Patent 5231490: Apparatus for converting aspect ratio and number of scanning lines of a video signal
(TELEVISION : FORMAT CONVERSION : Conversion between standards with different aspect ratios : Specified chrominance signal)

Patent 5231491: Television system providing wide aspect ratio image information compatible with a standard aspect ratio format
(TELEVISION : FORMAT : Including teletext decoder or display)

Patent 5231492: Video and audio multiplex transmission system
(TELEVISION : TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE) : Transmission control (e.g., resolution or quality) : Motion image conferencing)

Patent 5231493: Video receiver with permanent electronic program journal
(TELEVISION : NONPICTORIAL DATA PACKET IN TELEVISION FORMAT : Including teletext decoder or display : Frequency change of subcarrier)

Patent 5231494: Selection of compressed television signals from single channel allocation based on viewer characteristics
(TELEVISION : BANDWIDTH REDUCTION SYSTEM : Plural video programs in single channel : Variable depth of penetration of electron beam into the luminescent layer)

Patent 5231495: Digital signal processing device to execute time-sharing multiplex or separation of a plurality of kinds of digital signals
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Digital : Plural processing units : Including processor interface (e.g., CPU))

Patent 5231496: Automatic brightness limiter circuit
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Brightness control : Manual contrast control (e.g., linear))

Patent 5231497: Method of interpolating one video image field to create an interlaced image field
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Transition or edge sharpeners : Vertical transition : Coring type)

Patent 5231498: Digital wipe pattern generating device
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Multiple distinct images (e.g., splitscreen) : Including hue detection (e.g., chroma key))

Patent 5231499: Keyed, true-transparency image information combine
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Including priority key : Color signal)

Patent 5231500: Detecting and monitor device by observing picture image
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Still and motion modes of operation : With image intensifier)

Patent 5231501: Still video apparatus
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : With details of static memory for output image (e.g., for a still camera) : Detachable : Details of communication between memory and camera :)

Patent 5231502: Image information processing techniques for improving the resolution of scanned imaging systems
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : In charge coupled type sensor : In charge coupled type sensor)

Patent 5231503: Image sensor apparatus with noise cancellation circuitry
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Dark current : Using dummy pixels :)

Patent 5231504: Method for improved color reproduction using linear mixing calculations based on positional relationships between an original color and an
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)

Patent 5231505: Rewritable recording display apparatus and method of erasing record
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)

Patent 5231506: Generation of hard copy color photo reproductions from digitally created internegative
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Photographic : Document feed)

Patent 5231507: Information signal recording/reproducing apparatus with time base correction facility
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Time (e.g., phase or frequency) correction : Phase or frequency matching of color television signal component to an external reference : Color burst :)

Patent 5231508: Hall effect gauge with magnetically-sensitive variable-resistance element
(ELECTRICAL RESISTORS : RESISTANCE VALUE RESPONSIVE TO A CONDITION : Magnetic field or compass (e.g., Hall effect type) : Hall effect : Terminal forms casing or housing)

Patent 5231509: Burst gate pulse generating device for use in image signal reproducing system
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Time (e.g., phase or frequency) correction : Using recorded reference (e.g., pilot signal) : Disc)

Patent 5231510: Information retrieval system utilizing facsimile communication and paper forms with preset format
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific image-processing circuitry)

Patent 5231511: Still image recording/playback apparatus with player electronics connectable to an electronic still camera to initiate predetermined
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Including television camera : Housing or mounting : Crosstalk)

Patent 5231512: Editing apparatus employing serial to parallel converters and parallel to serial converters to achieve a dimensional reduction of the apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Editing : Having auxiliary dynamic memory means : Numerical code)

Patent 5231513: Image forming apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Image reproduction system : Composite image)

Patent 5231514: Image data processing device
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Memory interface : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5231515: Image reading device
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Signal enhancing : Auxiliary signal controls apparatus at both transmitter and receiver)

Patent 5231516: Folding-order image forming apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Document size detection : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5231517: Image signal processing apparatus for detecting the valid picture portions of an image signal
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Image portion selection : Variable threshold determined by image or other condition (e.g., adaptive thresholding))

Patent 5231518: Image processing apparatus for preparing printing plates having lengthwise or crosswise patterns
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Multi-level image reproduction (e.g., gray level reproduction) : Halftoning (e.g., a pattern of print elements used to represent a gray level) : Dithering (e.g., spatial distribution of print elements by threshold matrix) : Size of print element)

Patent 5231519: Image processor which converts image with poor resolution into image with improved resolution
(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) : Rescreening (e.g., converting spatial resolution) :)

Patent 5231520: Volume phase type hologram and method of manufacture thereof
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Having particular recording medium :)

Patent 5231521: Chiral smectic liquid crystal polarization interference filters
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Variable or rotatable retarder used with other retarders to produce filtering effects (Solc, Lyot, Partial) : For protection)

Patent 5231522: Liquid crystal panel capable of indicating black without dependency of visual angle
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Interconnection of plural cells in series : For compensation of birefringence effects : Formed of planar phosphor or fluorescent layer separate from illumination source)

Patent 5231523: Liquid crystal elements and conductive organic compound film-forming compositions
(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 : Including at least one with negative intrinsic birefringence)

Patent 5231524: Method of manufacturing a top coat
(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) : With particular non-zero angle between compensator optical axis and orientation direction)

Patent 5231525: Apparatus for orienting a liquid crystal material using a shear force and electric field
(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.) : With particular insulating layer)

Patent 5231526: Liquid crystal display device with two insulating films, the second in only non-pixel areas
(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) : Insulating layer : For parallel alignment)

Patent 5231527: Liquid crystal display with spacer having elastic modulus in compression of 370-550 kg/mm.sup.2 at 10% displacement of diameter
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Spacer : With particular injection port or injection plug)

Patent 5231528: Ferroelectric liquid crystal components having high spontaneous polarization and low helical pitch
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : WITH SPECIFIED NONCHEMICAL CHARACTERISTIC OF LIQUID CRYSTAL MATERIAL : Within smectic phase : Within chiral smectic phase (includes ferroelectric) : Nonspacer particles significantly smaller than liquid crystal thickness (e.g., scattering centers, ferromagnetic particles, etc.))

Patent 5231529: Light amplifier for multi-wavelength signals
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Dielectric optical waveguide type)

Patent 5231530: Liquid display device for regulating the light passing through
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT CONTROL BY OPAQUE ELEMENT OR MEDIUM MOVABLE IN OR THROUGH LIGHT PATH : Fluid : Rotating)

Patent 5231531: Electrochromatic glazings
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Electrochromic : Transmission-type (e.g., windows) : Diverse layer)

Patent 5231532: Switchable resonant filter for optical radiation
(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 : Having multiple electrodes : Electron beam causes surface alteration)

Patent 5231533: Nonlinear optical element and uses thereof
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Harmonic generator : Magneto-optic crystal material)

Patent 5231534: Real image mode variable magnification finder optical system
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Variable magnification : With prism or U-shaped optical path)

Patent 5231535: Simultaneous individual focus binoculars
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Telescope : Binocular : With adjustable interocular distance : Oculars swing about central axis : Spacing of optical elements axially adjustable : With single or parallel objectives)

Patent 5231536: Robust, LED illumination system for OCR of indicia on a substrate
(OPTICAL: SYSTEMS AND ELEMENTS : SCALE OR INDICIA READING : With relay)

Patent 5231537: Element selecting device
(OPTICAL: SYSTEMS AND ELEMENTS : ABSORPTION FILTER : Movable in or out of optical path : Laminated or layered mirror support)

Patent 5231538: Volume display optical system and method
(OPTICAL: SYSTEMS AND ELEMENTS : STEREOSCOPIC : Roll up screen)

Patent 5231539: Nodal-point adjusting retroreflector prism and method
(OPTICAL: SYSTEMS AND ELEMENTS : SIGNAL REFLECTOR : 3-Corner retroreflective (i.e., cube corner, trihedral, or triple reflector type) : Vibration)

Patent 5231540: Compact 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 5231541: Driver for optical system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens movable in its plane : Electromagnetic motive power : With third component biconvex)

Patent 5231542: Method and device for improving bass response in magnetic tape recording
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : MODULATING OR DEMODULATING : Reference carrier to control demodulator)

Patent 5231543: Digital signal recording/reproducing apparatus for use with digital signals having different transmission rates
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Time (e.g., phase or frequency) correction : Digital technique : By controlling speed of record medium)

Patent 5231544: Method and apparatus for signal detection in a magnetic recording and reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Head amplifier circuit : Intra-cell transition)

Patent 5231545: Fault tolerant RLL data sector address mark decoder
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Address coding : Intra-cell transition)

Patent 5231546: Recording and reproducing apparatus with limited digital copying
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL RECORDING OR REPRODUCING : Recording-or erasing-prevention : With incremental movement between record and head)

Patent 5231547: System for controlling positions of record tracks relative to a scanning trace of a head device by use of two envelope output signal envelope
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Synchronizing moving-head moving-record recorders : Recording amplifier)

Patent 5231548: Rotary drum controller
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Synchronizing moving-head moving-record recorders : Recording amplifier)

Patent 5231549: Disk drive apparatus with cam and follower for unloading heads
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Stopping or reversing)

Patent 5231550: Track access control system preventing unintentional delay in movement of head in non-adjusted disc device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track changing : For rotary carrier (e.g., disc) : Specified velocity pattern during access : Having head deflection drive (e.g., piezoelectric bimorph))

Patent 5231551: Cassette loading device for a magnetic recording/reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)

Patent 5231552: Magazine and receiver for media cartridge loader
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Plural tapes : Tape in container : Drum)

Patent 5231553: System comprising magnetic tape cassette apparatus and two different types of magnetic tape cassettes playable in such apparatus
(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 5231554: Floating magnetic head having low noise level
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Head attachment to slider : Motorized)

Patent 5231555: Magnetic head comprising a laminated magnetic layer structure between non magnetic rock salt structure oxide substrates
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)

Patent 5231556: Self-holding latch assembly
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head into/out of transducing position : Disk record : Latch : Magnetic : Actuator side detail)

Patent 5231557: Magnetic disk apparatus having rotary type actuator and a height reducing return spring
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head into/out of transducing position : Disk record : Arcuate track change type : Partial contact)

Patent 5231558: Multilayer ceramic capacitor and method of manufacture thereof
(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 5231559: Full color light modulating capacitor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Wound : With controlling or indicating means)

Patent 5231560: Auto-insertable component
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Connection of components to board : With lock or interlock)

Patent 5231561: Mounting method and apparatus for PWA shielding
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Shielding : EMI : Spacer details)

Patent 5231562: Desk top wire management apparatus
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : Frame : With switchboard or switch : EMI)

Patent 5231563: Square wave converter having an improved zero voltage switching operation
(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 : For bridge-type inverter : With plural control windings)

Patent 5231564: Power supply for producing excitation voltage for an x-ray tube filament
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With voltage multiplication means (i.e., V out > V in) : Including semiconductor means : For rectifying : Bridge type)

Patent 5231565: Electrical distribution system having mappable control inputs
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Sequential or selective : Electrical power distribution : Specific programming (e.g., relay or ladder logic))

Patent 5231566: Method and apparatus for producing a catalog
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Electronic shopping (e.g., remote ordering) : Presentation of image or description of sales item (e.g., electronic catalog browsing) : Staff scheduling or task assignment)

Patent 5231567: Manufacturing planning system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Design or planning : Resource allocation : Job scheduling :)

Patent 5231568: Promotional game method and apparatus therefor
(AMUSEMENT DEVICES: GAMES : INCLUDING MEANS FOR PROCESSING ELECTRONIC DATA (E.G., COMPUTER/VIDEO GAME, ETC.) : In a chance application : Lot match or lot combination (e.g., roulette, lottery, etc.) : Card- or tile-type (e.g., bridge, dominoes, etc.))

Patent 5231569: Account transaction system
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Finance (e.g., banking, investment or credit) : Credit (risk) processing or loan processing (e.g., mortgage) : Tax strategies)

Patent 5231570: Credit verification system
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Finance (e.g., banking, investment or credit) : Credit (risk) processing or loan processing (e.g., mortgage) : Tax strategies)

Patent 5231571: Personal financial assistant computer method
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Finance (e.g., banking, investment or credit) : Portfolio selection, planning or analysis : Staff scheduling or task assignment)

Patent 5231572: Radiation image storage and reproduction system
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Measuring force required to produce standard or measured eye flattening (applanation))

Patent 5231573: Method and system for acquiring flow velocities in ultrasound diagnosis apparatus
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Ultrasonic : Using flexible catheter)

Patent 5231574: Method for detecting artifact signal components
(IMAGE ANALYSIS : APPLICATIONS : Biomedical applications : X-ray film analysis (e.g., radiography) : With a prism)

Patent 5231575: Image read-out apparatus
(RADIANT ENERGY : INVISIBLE RADIATION RESPONSIVE NONELECTRIC SIGNALLING : Luminescent device : Requiring an additional energy source to cause luminescence : With optically-stimulated phosphor : Rotary motion)

Patent 5231576: Measuring apparatus
(OPTICS: MEASURING AND TESTING : BLOOD ANALYSIS : Depositing particles on optical surface)

Patent 5231577: Method and system for processing formatting information in a spreadsheet
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT : Spreadsheet : Cell format control :)

Patent 5231578: Apparatus for document annotation and manipulation using images from a window source
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT : Annotation control : Ruled lines)

Patent 5231579: Method and system for displaying and processing image of form document
(DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT, OPERATOR INTERFACE PROCESSING, AND SCREEN SAVER DISPLAY PROCESSING : PRESENTATION PROCESSING OF DOCUMENT : Form : Form filling : Fitting data into field on form :)

Patent 5231580: Automated method and apparatus for determining characteristics of nerve fibers
(IMAGE ANALYSIS : APPLICATIONS : Biomedical applications : Using a fingerprint)

Patent 5231581: Method for culturally predictable key sort within a national language support (NLS) data processing system
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : LINGUISTICS : Multilingual or national language support : Storage or retrieval of data)

Patent 5231582: Shifting control system for automotive automatic power transmission with enhanced variable shift pattern selection depending upon a resistance
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Transmission control : By changing shift map, schedule, or pattern : Having a plurality of preset maps, schedules, or patterns : Inner/outer loop)

Patent 5231583: Method and apparatus for dynamic leveling of a vehicle using an active suspension system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Suspension control : Modification or correction of route information)

Patent 5231584: Navigation apparatus with non-volatile memory for return to initial departure point
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Determination of travel data based on the start point and destination point : Route pre-planning : Digital or programmed data processor)

Patent 5231585: Computer-integrated manufacturing system and method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Integrated system (Computer Integrated Manufacturing (CIM) : Positional with nonpositional)

Patent 5231586: Embroidery data preparing method and apparatus for embroidery machine
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Textile : Sewing : Embroidering :)

Patent 5231587: Computer controlled lens surfacer
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Having particular tool or tool operation : Grinding : Thickness control)

Patent 5231588: Programmable gate array with logic cells having symmetrical input/output structures
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : MULTIFUNCTIONAL OR PROGRAMMABLE (E.G., UNIVERSAL, ETC.) : Array (e.g., PLA, PAL, PLD, etc.) : Significant integrated structure, layout, or layout interconnections : With clocking)

Patent 5231589: Input/output pin assignment method
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Routing (e.g., routing map, netlisting) : Layout editor (e.g., updating))

Patent 5231590: Technique for modifying an integrated circuit layout
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Floorplanning : Layout editor (e.g., updating) : Timing analysis (e.g., delay time, path delay, latch timing))

Patent 5231591: Agent gas analyzer and method of use
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Chemical analysis : Quantitative determination (e.g., mass, concentration, density) : Gaseous mixture (e.g., solid-gas, liquid-gas, gas-gas) : Fluid flow investigation)

Patent 5231592: Counter
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : APPLICATIONS : Including memory : Temperature)

Patent 5231593: Maintaining historical LAN traffic statistics
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Statistical measurement : Histogram distribution : By radiant energy (e.g., X-ray, light))

Patent 5231594: Maintenance monitoring system
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Time duration or rate : Due time monitoring (e.g., medication clock, maintenance interval) : By radiant energy (e.g., X-ray, light))

Patent 5231595: Pyrometer
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Temperature measuring system : By radiant energy : Frequency)

Patent 5231596: Position detector having a single set detector for absolute codes
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Orientation or position : By distance and time measurement)

Patent 5231597: Vehicle speed measuring method and apparatus
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Speed : Rotational speed : Specific mathematical operation performed : For wheel speed : Using Fourier method)

Patent 5231598: Direct digital synthesis measurement signal skew tester
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Skew detection correction : Error detection or notification)

Patent 5231599: Semantic interpreter for an incoming data stream
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Having specialized input : Including specific keyboard-type information entry : Key sequencing (i.e., sequence defines function) :)

Patent 5231600: Overflow detector for anticipating producing invalid operands resulting from performing shift operations on such operands
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Compensation for finite word length : Overflow or underflow : Prediction :)

Patent 5231601: Digital multiplier based upon a regularly structured sum of products adder array for partial product reduction
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiplication : Binary : Prediction)

Patent 5231602: Apparatus and method for improving the endurance of floating gate devices
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Erase : Over erasure :)

Patent 5231603: Variable page ROM
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Plural use of terminal : Four or more devices per bit)

Patent 5231604: Semiconductor memory device having column redundancy system
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Having particular data buffer or latch : Four or more devices per bit)

Patent 5231605: DRAM compressed data test mode with expected data
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)

Patent 5231606: Field emitter array memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Having bipolar circuit element : Holographic)

Patent 5231607: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : POWERING : Having fuse element)

Patent 5231608: Ultrasonic object detecting apparatus
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Presence or movement only detection : By doppler effect)

Patent 5231609: Multiplatform sonar system and method for underwater surveillance
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Distance or direction finding : Receiver system)

Patent 5231610: Piling and pier inspection apparatus and method
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Distance or direction finding : Receiver system)

Patent 5231611: Wavelength multiplexed fiber optics resonant ring hydrophone array
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Underwater type : Exclusive-type receiver : Electrically driven underwater bells or sirens)

Patent 5231612: Position detection and correction mechanism for a timepiece
(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 5231613: Magneto-optical recording device
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : Magnetic field generation : Magnetic field transducer assembly : Changing size of magnetic domain)

Patent 5231614: Magneto-optical eraser
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : Erasing :)

Patent 5231615: Carriage fixing apparatus and disk driver having such carriage fixing apparatus
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : DYNAMIC MECHANISM OPTICAL SUBSYSTEM : Transducer carriage or actuator : Locking of transducer carriage : Independently movable transducers)

Patent 5231616: Calibration of a cartridge handling device using mechanical sense of touch
(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 : Matching control signal : Magnetic domain wall)

Patent 5231617: Optical information recording and reproducing apparatus and method of recording and reproducing information in an optical disk unit
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Servo system operation related to disc structure information format : Structure for shaping beam or causing astigmatic condition)

Patent 5231618: Optical disc system
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Sampling servo system : Recording (e.g., inhibit recording upon defect, etc.))

Patent 5231619: Optical disk apparatus having improved tracking servo mechanism
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Servo loop gain/switching control : Recording (e.g., inhibit recording upon defect, etc.))

Patent 5231620: Magneto-optical recording/reproducing apparatus with light beam splitting means
(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 5231621: Focus detector which serves to split off a portion of a detected light beam only when the detected light beam is not refocused at an expected
(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 5231622: Method of and system for cleaning a floppy disk with an ionizing needle
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH STORAGE MEDIUM CLEANING OR ELECTROSTATIC CHANRGE NEUTRALIZATION : By charge leakage (e.g., ionized particles) : By chance)

Patent 5231623: Optical disk drive apparatus
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : PARTICULAR CABINET STRUCTURE FOR OPTICAL MEDIA : Environmental control : Door mechanism)

Patent 5231624: System and method using a reduce profile light beam for high density recording on optical media
(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 5231625: Optical disk drive wherein a preset reading laser power is used to generate a desired white laser power
(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 5231626: Wavelength selective optical recording and reproducing method
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : With particular light source (e.g., laser, CRT with phosphor) : With movement of optical beam (e.g., galvanometer))

Patent 5231627: Apparatus for reading optically encoded soundtracks
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Having photographic storage medium (e.g., variable density or area) : Level detecting using reference signal)

Patent 5231628: Network system for data transmission
(MULTIPLEX COMMUNICATIONS : DUPLEX : Duplex diplex)

Patent 5231629: Full-duplex communication system
(MULTIPLEX COMMUNICATIONS : DUPLEX : Communication over free space : Duplex repeaters : Using summation of conferee signals)

Patent 5231630: Network termination enabling relief of call congestion in an exchanger
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Control of data admission to the network : Spare channel)

Patent 5231631: Arrangement for regulating traffic in a high speed data network
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Control of data admission to the network : Spare channel)

Patent 5231632: Radio communication equipment for a mobile station and traffic channel hand-off method using the same
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Hand-off control : Including onboard switching)

Patent 5231633: Method for prioritizing, selectively discarding, and multiplexing differing traffic type fast packets
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Store and forward : Particular storing and queuing arrangement : Having a signaling feature)

Patent 5231634: Medium access protocol for wireless LANs
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via time channels : Multiple access (e.g., TDMA) : Channel reservation scheme : Multiple access (e.g., TDMA))

Patent 5231635: Multiplexed transmission system for subscriber units of different types
(MULTIPLEX COMMUNICATIONS : DUPLEX : Communication over free space : Conferee signals combined or distributed via time channels)

Patent 5231636: Asynchronous glitchless digital MUX
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : GATING (I.E., SWITCHING INPUT TO OUTPUT) : Signal transmission integrity or spurious noise override : Control signal derived from or responsive to input signal : Contact bounce from mechanical switch)

Patent 5231637: Apparatus for testing a PLA by measuring a current consumed by the PLO when activated with known codes
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Programmable logic array (PLA) testing : Special test pattern (e.g., checkerboard, walking ones))

Patent 5231638: Error correction control apparatus
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Memory access : Error pointer : Error checking code)

Patent 5231639: Frame step-out detecting method for data transmission and system thereof
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward error correction by tree code (e.g., convolutional) : Trellis code : Syndrome computed)

Patent 5231640: Fault tolerant processor/memory architecture
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : DATA PROCESSING SYSTEM ERROR OR FAULT HANDLING : Reliability and availability : Error detection or notification : State error (i.e., content of instruction, data, or message) : Storage content error : Error checking code)

Patent 5231641: Crystalline slab laser with intracavity non-linear optic
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Nonlinear device : Plural Q-switches)

Patent 5231642: Semiconductor ring and folded cavity lasers
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular confinement layer :)

Patent 5231643: Optical frequency converter of bulk resonator structure
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Folded cavity : Having a ring configuration : Hollow electrode)

Patent 5231644: Slab or stripline gas laser
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Mirror support or alignment structure : Polarizer)

Patent 5231645: Method of controlling continuous carburization furnace
(INDUSTRIAL ELECTRIC HEATING FURNACES : RESISTANCE FURNACE DEVICE : Control : Temperature : Rod-like)

Patent 5231646: Communications system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM :)

Patent 5231647: Modem comprising saw filters having opposite bassband delay characteristics
(PULSE OR DIGITAL COMMUNICATIONS : TRANSCEIVERS : Modems (data sets) : Phase locked loop)

Patent 5231648: Adaptive equalizer for digital cellular radio
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Training period or initial set up : Matched-filter-type receiver)

Patent 5231649: Method and apparatus for dynamic bandwidth allocation in a digital communication session
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Plural channels for transmission of a single pulse train : Single bit (delta))

Patent 5231650: Digital signal reproducing apparatus
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Locating predetermined portion of pulse : Separate mark and space channels)

Patent 5231651: X-ray computerized tomographic method and apparatus with simple programmable anatomical selecting operation
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Computerized tomography :)

Patent 5231652: Arrangement for measuring the pulse transmission spectrum of X-ray quanta
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Diffraction, reflection, or scattering analysis : Scatter analysis : Monochromator or focusing device)

Patent 5231653: X-ray diagnostics installation
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : ELECTRONIC CIRCUIT : Diffraction, reflection, or scattering analysis)

Patent 5231654: Radiation imager collimator
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : BEAM CONTROL : Collimator : Rotary)

Patent 5231655: X-ray collimator
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : BEAM CONTROL : Collimator : Rotary)

Patent 5231656: Device for detecting film information
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : AUXILIARY DATA ACQUISITION OR RECORDING : Patient or exposure data : With light projection : With pivotal leaf motion)

Patent 5231657: Cordless telephone system that releases hold state of handset after intrusion by another party is detected
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Including private cordless extension system : Specific paging technique)

Patent 5231658: Telephone privacy device
(TELEPHONIC COMMUNICATIONS : CALL OR TERMINAL ACCESS ALARM OR CONTROL : Lockout or double use signalling : At switching center)

Patent 5231659: Telephone handset with transducer assembly
(TELEPHONIC COMMUNICATIONS : TERMINAL : Housing or housing component : Handset structure : Microphone mounting : Directing incoming call to local appliance)

Patent 5231660: Compensation control for off-premises CATV system
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal masking : Modifying sync signal)

Patent 5231661: Television viewing control device and method
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : ACCESS CONTROL OR BLOCKING : Time dependent (e.g., time spent viewing program, time of day, etc.) : Combined with detecting VCR operation)

Patent 5231662: Method and device for enciphering data to be transferred and for deciphering the enciphered data, and a computer system comprising such
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : DATA PROCESSING PROTECTION USING CRYPTOGRAPHY : By stored data protection : Biometric acquisition)

Patent 5231663: Image processing system
(IMAGE ANALYSIS : LEARNING SYSTEMS : Trainable classifiers or pattern recognizers (e.g., adaline, perceptron) : Network structures)

Patent 5231664: Cable system having multiple barkering
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal modification (e.g., scrambling) : Including addressed decoder control signal : Having program ID or authorization :)

Patent 5231665: Cable television system having dynamic market code shuffling
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal modification (e.g., scrambling) : Including addressed decoder control signal : Having program ID or authorization :)

Patent 5231666: Cryptographic method for updating financial records
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : BUSINESS PROCESSING USING CRYPTOGRAPHY : Secure transaction (e.g., EFT/POS) : Transaction verification : Electronic cash detail (e.g., blinded, divisible, or detecting double spending))

Patent 5231667: Scrambling/descrambling circuit
(CRYPTOGRAPHY : PARTICULAR ALGORITHMIC FUNCTION ENCODING : Having particular key generator)

Patent 5231668: Digital signature algorithm
(CRYPTOGRAPHY : PARTICULAR ALGORITHMIC FUNCTION ENCODING : Having particular key generator)

Patent 5231669: Low bit rate voice coding method and device
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : For storage or transmission : Frequency : Orthogonal functions)

Patent 5231670: Voice controlled system and method for generating text from a voice controlled input
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Application : Speech controlled system : Specialized models)

Patent 5231671: Method and apparatus for generating vocal harmonies
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : For storage or transmission : Frequency : Orthogonal functions)

Patent 5231672: Plane-surfaced waved out-diffusion triangular beam-typed resonant board
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Electromagnetic (e.g., dyynamic) : Specified diaphragm shape or structure : Plural portions or sections : Honeycomb : Like poles adjacent)

Patent 5231673: Apparatus for geometrical correction of a distored image
(IMAGE ANALYSIS : APPLICATIONS : Biomedical applications : X-ray film analysis (e.g., radiography) : With a prism)

Patent 5231674: Eye tracking method and apparatus
(IMAGE ANALYSIS : APPLICATIONS : Personnel identification (e.g., biometrics) : Using a characteristic of the eye :)

Patent 5231675: Sheet metal inspection system and apparatus
(IMAGE ANALYSIS : APPLICATIONS : Manufacturing or product inspection : Tool, workpiece, or mechanical component inspection : Alignment, registration, or position determination)

Patent 5231676: Hierarchical operations on border attribute data for image regions
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Pyramid, hierarchy, or tree structure : Checking spelling for recognition)

Patent 5231677: Image processing method and apparatus
(IMAGE ANALYSIS : IMAGE ENHANCEMENT OR RESTORATION : Edge or contour enhancement : Recursive filter)

 

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