Patents 5581335 - 5581588
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Patent 5581335: Programmable toner concentration and temperature sensor interface method and apparatus
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Toner : By concentration detector : On or adjacent to platen)
Patent 5581336: Developing device preventing scattering of developing agent by conductive member
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Having applied bias : Including sample holder)
Patent 5581337: Developing apparatus and image forming apparatus employing mixing balls in the cartridge supply container
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Supplying new toner : Cartridge : Having internal rotary member : Including sample holder)
Patent 5581338: Toner image transferring device including transfer charger and AC charge eliminator crystal display device
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Electrostatic : To produce duplex)
Patent 5581339: Method of forming duplex toner images
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : Vibration)
Patent 5581340: Image-forming apparatus with a fixing device for fixing a toner image on a sheet-like material
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Parting agent applicator)
Patent 5581341: Temperature control device for a fusing device in an image forming apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of fixing : Temperature control : Detection of toner in developing unit)
Patent 5581342: Image forming apparatus with a removable waste toner collecting container
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Modular or displaceable : Cleaning unit : New and waste toner container)
Patent 5581343: Image-forming method and apparatus adapted to use both uncoated and thermoplastic-coated receiver materials
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Responsive to copy media characteristic : Single detector for plural toners)
Patent 5581344: Image forming apparatus with copy sheet size inputting and detection and corresponding selection of a copy sheet cassette
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Responsive to copy media characteristic : Single detector for plural toners)
Patent 5581345: Confocal laser scanning mode interference contrast microscope, and method of measuring minute step height and apparatus with said
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Using at least a pair of viewing axes)
Patent 5581346: System for characterizing semiconductor materials and photovoltaic device
(OPTICS: MEASURING AND TESTING : CRYSTAL OR GEM EXAMINATION : With light detector (e.g., photocell))
Patent 5581347: Optimization method and device for direct measurement of an optical component
(OPTICS: MEASURING AND TESTING : LENS OR REFLECTIVE IMAGE FORMER TESTING : With lamp focusing)
Patent 5581348: Surface inspecting device using bisected multi-mode laser beam and system having the same
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Surface condition : Having guiding means)
Patent 5581349: Method for biological cell and particulate analysis
(OPTICS: MEASURING AND TESTING : FOR SIZE OF PARTICLES : By particle light scattering : Having adjustable color or bandwidth)
Patent 5581350: Method and system for calibrating an ellipsometer
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : Of surface reflection : Including polarimeters)
Patent 5581351: Optical monitor for measuring thermal expansion of a rotating roller
(OPTICS: MEASURING AND TESTING : DIMENSION : Focus)
Patent 5581352: Phase shifting device with selectively activated grating generator
(OPTICS: MEASURING AND TESTING : SHAPE OR SURFACE CONFIGURATION : Triangulation : Projection of structured light pattern : Pattern is series of non-intersecting lines : Of transmission (e.g., lens))
Patent 5581353: Laser-based measurement apparatus and method for the on-line measurement of multiple corrugated board characteristics
(OPTICS: MEASURING AND TESTING : DIMENSION : Thickness : By triangulation : Moire)
Patent 5581354: Method and device for thickness assessment
(OPTICS: MEASURING AND TESTING : DIMENSION : Thickness : Of light permeable material : Moire)
Patent 5581355: Finish meter for detecting and measuring a metal oxide coating thickness on a sealing surface of a glass container and method of using
(OPTICS: MEASURING AND TESTING : DIMENSION : Thickness : Of light permeable material : Moire)
Patent 5581356: High purity tunable forensic light source
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : With color transmitting filter : Including rotating sequential filters : Including liquid filter comparison)
Patent 5581357: Color signal processing apparatus using a common low pass filter for the luminance signal and the color signals
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Details of luminance signal formation in color camera : With means for providing high band and low band luminance signals : Details of communication between memory and camera)
Patent 5581358: Information recording apparatus with smoothing processing via pixel feature detection and recording density variation and toner conservation
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Adaptive image reproduction : Look-up table for image processing or print attribute data (e.g., threshold value, print element property))
Patent 5581359: Image processing apparatus and method
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)
Patent 5581360: Methods and systems for dubbing a variable-length encoded digital video signal on a record medium
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using disc)
Patent 5581361: Interleaving/deinterleaving apparatus for a digital video cassette recorder and the method thereof
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using disc)
Patent 5581362: Video camera system which multiplexes internal, external, and sensing parameters onto the video signal in order to identify individual
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having another signal : Digital technique)
Patent 5581363: Method and apparatus for recording and reproducing video signal
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Compressing in recording or decompressing in reproducing : Television signal)
Patent 5581364: Method for recording and/or reproducing image signals and an apparatus therefor utilizing two dimensional scanning of a recording medium by a
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using disc)
Patent 5581365: Remote control system for controlling tape playback apparatus on the basis of time code data recorded on the recording tape with the
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Having time code for addressing signal : Having auxiliary dynamic memory means)
Patent 5581366: Method and apparatus for originating a facsimile message in a selective call receiver
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific image-processing circuitry)
Patent 5581367: Facsimile apparatus having environmental condition sensor
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile memory monitoring : Composite image)
Patent 5581368: Data-reducing coding method for transmitting information from a transmitter to a receiver
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Reduced time or bandwidth for static image communication : Combined with lossless coding technique (e.g., fixed or variable run-length coding) : Coded image communication rate)
Patent 5581369: Apparatus and method for communicating electrocardiographic data to a facsimile machine
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Facsimile system interface : Facsimile alarm)
Patent 5581370: Image-dependent automatic area of interest enhancement
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Signal enhancing : Auxiliary signal controls apparatus at both transmitter and receiver)
Patent 5581371: Error diffusion method
(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 5581372: Method for generating and storing digitized density thresholds for rastering a half tone original image
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Multi-level image reproduction (e.g., gray level reproduction) : Halftoning (e.g., a pattern of print elements used to represent a gray level) : Dithering (e.g., spatial distribution of print elements by threshold matrix) : Adaptive dithering :)
Patent 5581373: Image communication apparatus having a communication error check function
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Transceiver : Variable thresholding technique)
Patent 5581374: Color image communicating apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Detail of image placement or content)
Patent 5581375: Method for processing color-image signals from a three-color original and for forming output color image having black, white and either red
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)
Patent 5581376: System for correcting color images using tetrahedral interpolation over a hexagonal lattice
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Color correction : Color masking)
Patent 5581377: Image processing method and apparatus for synthesizing a plurality of images based on density values
(FACSIMILE AND STATIC PRESENTATION PROCESSING : NATURAL COLOR FACSIMILE : Specific image-processing circuitry : Composite image : Halftone screening)
Patent 5581378: Electro-optical holographic display
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : For synthetically generating a hologram : Having nonplanar recording medium surface)
Patent 5581379: Rectangular based convex microlenses surrounded within a frame and method of making
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Projector including liquid crystal cell (s) : Exposure device for lithography)
Patent 5581380: Transparent-scattering display device
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Particular illumination : With integral optical element for guiding or distributing light from the light source : Specifically for guiding light in a front-lit device : Varistor)
Patent 5581381: LCD electrode projections of variable widths and spacings
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Producing a greyscale effect : With each cell displaying a different pattern)
Patent 5581382: Liquid crystal display device having connection pads insulated by double layered anodic oxide material
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR EXCITATION OF LIQUID CRYSTAL : Electrical excitation of liquid crystal (i.e., particular voltage pulses, AC vs. DC, threshold voltages, etc.) : With particular switching device : Transistor : With silicon photodiode, N-I-N photoconductor structure, or P-I-P photoconductor structure)
Patent 5581383: Arrangement for optical autocorrelation
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Photoconductive element (i.e., not used for exciting) : Cholesteric reflector)
Patent 5581384: Process for producing a display device by deforming thermoplastic spacer particles
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Spacer : With particular injection port or injection plug)
Patent 5581385: Single crystal silicon arrayed devices for projection displays
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Holder, support, frame, or housing : Matrix including additional element (s) which correct or compensate for electrical fault)
Patent 5581386: Method of terminal control signal transmission and photonic switching system incorporating said method
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Power)
Patent 5581387: Optical data communications network with a plurality of optical transmitters and a common optical receiver connected via a passive
(OPTICAL COMMUNICATIONS : MULTIPLEX : Time division : Subscriber system : Wavelength control)
Patent 5581388: Method of and device for the fine synchronization of aim cells in optical ATM nodes
(OPTICAL COMMUNICATIONS : MULTIPLEX : Optical switching : Time : Including photonic packet switching :)
Patent 5581389: Light frequency control apparatus
(OPTICAL COMMUNICATIONS : TRANSMITTER : Including compensation : Including feedback : For wavelength control : Filter)
Patent 5581390: Apparatus and method for conveying frame timing, data timing, and data
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Including synchronization : Dispersion compensation)
Patent 5581391: Scanning optical system
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Having particular focusing element to receive scanned light : Having a common axis of rotation)
Patent 5581392: Optical Scanner
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Having particular focusing element to receive scanned light : Having a common axis of rotation)
Patent 5581393: Mirror array and method for the manufacture thereof
(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 5581394: Solid polymer electrolytes
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Electrochromic : Reflection-type (e.g., display device) : Particular electrolyte layer :)
Patent 5581395: Non-linear optical crystal element
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Having particular chemical composition or structure)
Patent 5581396: Wavelength converting device having an epitaxial waveguide layer
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Dielectric optical waveguide type : Third harmonic)
Patent 5581397: Optical-fiber amplifier
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Optical fiber : Bi-directional : Interferometer or interference)
Patent 5581398: Polymeric optical amplifier doped with lanthanide
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Particular active medium (e.g., crystal, plasma, fluid, etc.) : Composition (e.g., Tm, Tb, Eu, Ho, Dy, Nd))
Patent 5581399: Binoculars
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Telescope : Binocular : Body supported or with handle : With focusing means : Stereoscopic)
Patent 5581400: Finder optical system with low-hygroscopic organic material
(OPTICAL: SYSTEMS AND ELEMENTS : COMPOUND LENS SYSTEM : Telescope : With prism or U-shaped optical path : Equatorial mount)
Patent 5581401: Portable screen assembly for use with a projector
(OPTICAL: SYSTEMS AND ELEMENTS : PROJECTION SCREEN : Lens)
Patent 5581402: Method for producing an improved stereoscopic picture and stereoscopic picture obtained according to this method
(OPTICAL: SYSTEMS AND ELEMENTS : STEREOSCOPIC : Having record with lenticular surface : Lenticular)
Patent 5581403: Beam shaping and beam splitting device and optical head comprising the same
(OPTICAL: SYSTEMS AND ELEMENTS : POLARIZATION WITHOUT MODULATION : Light polarization without any external input : By birefringent element : Prisms : Using film strips)
Patent 5581404: Image stabilizing apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : IMAGE STABILIZATION : By movable refractive structure : Having plural reflecting surfaces)
Patent 5581405: Hybrid refractive/diffractive achromatic camera lens and camera using such
(OPTICAL: SYSTEMS AND ELEMENTS : DIFFRACTION : From grating : Including particular grating characteristic : Echelette or blazed grating : With single transparent coating between spheres and atmosphere)
Patent 5581406: Anti-glare rearview mirror system
(OPTICAL: SYSTEMS AND ELEMENTS : GLARE OR UNWANTED LIGHT REDUCTION : With mirror (e.g., mirror with glare screen, etc.) : Anti-glare mirror : Adjustable : With single transparent coating between spheres and atmosphere)
Patent 5581407: Permeable screen and its manufacturing method
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By surface composed of lenticular elements : Collapsible or foldable)
Patent 5581408: Method and apparatus for deflecting an optical beam
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By surface composed of lenticular elements : Plural lenticular plates : Serially disposed along optic axis : Translucent or other semitransmitting panel selectively positioned in front of mirror)
Patent 5581409: Imaging system to combine disparate fields of view
(OPTICAL: SYSTEMS AND ELEMENTS : SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) : By partial reflection at beam splitting or combining surface : Including full reflection and transmission of a beam at different portions of a beam divider : With additional reflector (e.g., serial reflections, etc.))
Patent 5581410: Resin-coupled optical element and method of production
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : By refraction at beam splitting or combining surface)
Patent 5581411: Guide device for zoom lens barrel
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : With macro-type focusing)
Patent 5581412: Flexible printed circuit board supporting structure of lens barrel
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : Adjusting mechanism : Motor driven : Condition responsive : Having crossed axes)
Patent 5581413: Optical guide for increasing printer image width
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With reflecting element : Including concave or convex reflecting surface : Reflectors in series : With concave and convex reflectors in series)
Patent 5581414: Microlens assemblies and couplers
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Monocular loupe type)
Patent 5581415: Device for inserting optical and mechanical components into a mounting sleeve
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With support : Lens mounts : Monocular loupe type)
Patent 5581416: Polygonal mirror, and manufacturing process and mold thereof
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Plural mirrors or reflecting surfaces : Identical adjacent mirrors identically supported : Light concentrating (e.g., heliostat, etc.), concave, or paraboloidal structure)
Patent 5581417: Apparatus and method for anhysteretically recording from master drum to slave web
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD COPYING : Contact transfer : With magnetic bias :)
Patent 5581418: Magnetic disk drive unit capable of determining data region position of data region that does not include position identification data
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data clocking : Intra-cell transition)
Patent 5581419: Magnetic tape drive for driving magnetic tape having leader block at leading end
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Recording amplifier)
Patent 5581420: Method and system for determining a radial positioning valve used for writing tracks at a desired track pitch
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Stopping or reversing)
Patent 5581421: Method for driving stepping motor for head seek in disk drive device
(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 : Stepping motor : Dithering)
Patent 5581422: Actuator with moveable coil and recording apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Tape in container)
Patent 5581423: Disk driving motor and chcuking mechanism for disk drive apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Rotational drive detail : Motorized)
Patent 5581424: Magnetic crash stop and latch in a disc drive
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head into/out of transducing position : Disk record : Latch : Magnetic : Actuator side detail)
Patent 5581425: Head drum for a magnetic recording/reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head during transducing : Tape record having rotary head : Rotating drum : Axle bearing : Hydrodynamic : Adjustable)
Patent 5581426: Upper head drum assembly including at least one nut cap
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For adjusting head position : Tape record : Rotary head : Adjustable head mount : Hydrodynamic)
Patent 5581427: Peak enhanced magnetoresistive read transducer
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having Anisotropic Magnetoresistive (AMR) sensor formed of a single thin film : Detail of transverse and longitudinal biasing : Detail of free layer or additional film for affecting or biasing the free layer)
Patent 5581428: Mounting clip with back-up overvoltage protection
(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 5581429: Thin-film magnetic head having improved magnetic pole structure
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Head core : Laminated : Mounting detail)
Patent 5581430: Container having at least one viewing window, in particular a tape cassette, and viewing window arrangement therefor
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : Pressure element)
Patent 5581431: Playback/recording units with single power source selectively powering all operating functions
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : MISCELLANEOUS : Drum)
Patent 5581432: Clamp circuit and method for identifying a safe operating area
(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 5581433: Electronic circuit breaker
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : SAFETY AND PROTECTION OF SYSTEMS AND DEVICES : With specific current responsive fault sensor : Digital control : Protection for thyristor)
Patent 5581434: Apparatus including a transient voltage suppressor
(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) : With transistor circuit interrupter)
Patent 5581435: Polyester film capacitor element
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Wound : With controlling or indicating means)
Patent 5581436: High-dielectric-constant material electrodes comprising thin platinum layers
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Ceramic, glass, or oxide particles : Ceramic and glass)
Patent 5581437: Power capacitor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Solid dielectric : Plastic : Oxide film)
Patent 5581438: Supercapacitor having electrodes with non-activated carbon fibers
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROLYTIC SYSTEMS OR DEVICES : Double layer electrolytic capacitor : Plural)
Patent 5581439: Gas insulated switchgear
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electrical power distribution systems and devices : Electrical switchgear : Busbar arrangements : Gas insulated : Composition)
Patent 5581440: Rotatable bushing for reducing bending stress in electrical cable
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)
Patent 5581441: Electrically-operated heat exchanger release mechanism
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : With heat exchanger unit : Change of physical state)
Patent 5581442: Spring clip for clamping a heat sink module to an electronic module
(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 5581443: Structure for cooling a circuit module having a circuit board and a heat-generating IC chip mounted on the board, and portable electronic
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : By specific coating : Change of physical state)
Patent 5581444: Device and method for enhancing thermal and high frequency performance of integrated circuit packages
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : Through support means : Thermally and electrically conductive : Cooling plate or bar)
Patent 5581445: Plastic integrated circuit card with reinforcement structure for protecting integrated circuit module
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : IC card or card member : Selective connections)
Patent 5581446: Housing structure of electric appliance and disassembling method thereof
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : With housing or chassis : Rotatable : Welded connection)
Patent 5581447: Solar skylight apparatus
(ILLUMINATION : LIGHT FIBER, ROD, OR PIPE : Nonelectric power source : Including specific fiber structure)
Patent 5581448: Display lighting system for walls
(ILLUMINATION : WITH STATIC STRUCTURE : Wall or ceiling : Repositionable as a unit)
Patent 5581449: Plug-in power supply
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Encased in plug housing : Adapted for use with alternators)
Patent 5581450: Feedback control loop in a power supply circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using choke and switch across source : In bridge)
Patent 5581451: Circuit for improving the power efficiency of an AC/DC converter
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including D.C.-A.C.-D.C. converter : Having transistorized inverter : Single-ended, separately-driven type : With automatic control of the magnitude of output voltage or current : For flyback-type converter : Having feedback winding inductively coupled to inverter inductive device (e.g., tertiary winding, etc.) : Having particular pulse-width modulation circuit)
Patent 5581452: Pulse width modulation inverter current detection method
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With means to introduce or eliminate frequency components : In inverter systems : By pulse modulation technique (e.g., PWM, PPM, etc.) : With automatic control of the magnitude of output voltage or current)
Patent 5581453: Power supply with switched starting circuit
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With starting arrangement : In rectifier systems)
Patent 5581454: High power switched capacitor voltage conversion and regulation apparatus
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With voltage multiplication means (i.e., V out > V in) : For inverters)
Patent 5581455: Capacitive charge pump, BiCMOS circuit for low supply voltage and method therefor
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With voltage multiplication means (i.e., V out > V in) : Including semiconductor means : Thyristor inverter)
Patent 5581457: Control device for sewing machine and control method therefor
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Plural processors :)
Patent 5581458: Bufered intelligent digital tape controller with onboard ECC and featuring global control variables
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Sequential or selective : State of condition or parameter (e.g., on/off) : Shared memory)
Patent 5581459: Plant operation support system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Optimization or adaptive control : Specific criteria of system performance : Having adjustment of model (e.g., update))
Patent 5581460: Medical diagnostic report forming apparatus capable of attaching image data on report
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Health care management (e.g., record management, ICDA billing) : Patient record management : Including a payment switch or gateway)
Patent 5581461: Computerized system and method for storage, processing and transfer of inventory and other data among a central processor/database and a
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : AUTOMATED ELECTRICAL FINANCIAL OR BUSINESS PRACTICE OR MANAGEMENT ARRANGEMENT : Reservation, check-in, or booking display for reserved space : Patient record management)
Patent 5581462: Vehicle computer system and method
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Aeronautical vehicle :)
Patent 5581463: Pay-per-use access to multiple electronic test capabilities and tester resources
(DATA PROCESSING: FINANCIAL, BUSINESS PRACTICE, MANAGEMENT, OR COST/PRICE DETERMINATION : FOR COST/PRICE : Finance (e.g., banking, investment or credit))
Patent 5581464: Recording of operational events in an automotive vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle diagnosis or maintenance indication : With data recording device : Modification or correction of route information)
Patent 5581465: Process for changing the speed of a vehicle and a system for implementing the process
(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 : Speed, acceleration, deceleration : Detection of O2 concentration)
Patent 5581466: Tolerance analysis system and method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Probability determination or handicapping)
Patent 5581467: Displacement correcting device and method for a machine tool
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Digital positioning technique : Positional compensation or modification compensation or mod : Repeated machining passes)
Patent 5581468: System and method for modeling plastic molding and molding parts incorporating the same
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Molding : Monitoring, inspection, or control of a particular condition : Control of pressure)
Patent 5581469: Apparatus for checking the lifetime of household electronic or electric appliances
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Mechanical measurement system : Wear or deterioration evaluation : Using radiant energy)
Patent 5581470: Apparatus for visually graphically displaying the operating point of a generator in reference to its capability curve including digital
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Power parameter : Power logging (e.g., metering) : Torsional, shear, tensile, or compression)
Patent 5581471: Method and apparatus for storing electric power measurements
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Power parameter : Power logging (e.g., metering) : Torsional, shear, tensile, or compression)
Patent 5581472: Method and apparatus for feedback of trainline status to the central processor of a locomotive throttle controller
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Electrical signal parameter measurement system : Waveform analysis : Frequency : Signal-in-signal determination)
Patent 5581473: Method and apparatus for managing timing requirement specifications and confirmations and generating timing models and constraints for a VLSI
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Testing or evaluating : Design verification (e.g., wiring line capacitance, fan-out checking, minimum path width) : Timing analysis (e.g., delay time, path delay, latch timing) :)
Patent 5581474: Identifying overconstraints using port abstraction graphs
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Optimization (e.g., redundancy, compaction) :)
Patent 5581475: Method for interactively tailoring topography of integrated circuit layout in accordance with electromigration model-based minimum width
(DATA PROCESSING: DESIGN AND ANALYSIS OF CIRCUIT OR SEMICONDUCTOR MASK : CIRCUIT DESIGN : Floorplanning : Constraint-based placement (e.g., critical block assignment, delay limits, wiring capacitance) : Timing analysis (e.g., delay time, path delay, latch timing))
Patent 5581476: Computer-based methods and articles of manufacture for preparing G-CSF analogs
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Biological or biochemical : Seismology)
Patent 5581477: Granulation water control apparatus for granulating machine used in granular fertilizer production process and its granulation water
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Chemical process control or monitoring system : Having particular operator interface (e.g., teaching box, digitizer, tablet, pendant, dummy arm))
Patent 5581478: Facility environmental control system
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Mechanical control system : HVAC control : Of fuel)
Patent 5581479: Information service control point, which uses different types of storage devices, which retrieves information as blocks of data, and which uses
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : VIDEO DISTRIBUTION SYSTEM COMPONENTS : Headend : Data storage or retrieval : Diplex filter)
Patent 5581480: Method and apparatus for mixing multiple channels of sampled digital audio using a non-linear clipping function
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Application : Sound editing : Specialized models)
Patent 5581481: System for storage and retrieval of JPEG images
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)
Patent 5581482: Performance monitor for digital computer system
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Performance or efficiency evaluation : Computer and peripheral benchmarking : Cause or fault identification)
Patent 5581483: Measurement of shot peening coverage by correlation analysis of surface line data
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Statistical measurement : Timekeeping (e.g., clock, calendar, stopwatch))
Patent 5581484: Finger mounted computer input device
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Orientation or position : By distance and time measurement)
Patent 5581485: Analog vector distance measuring and vector quantization architecture
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Dimensional determination : Linear distance or length : 3D orientation)
Patent 5581486: Maintenance management system for managing maintenance of components of assembly apparatus
(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 5581487: Method and apparatus for microscopic screening of cytological samples
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Quality evaluation)
Patent 5581488: Apparatus and method for compensating for noise in signals
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : Circuit tuning (e.g., potentiometer, amplifier) : Tare weight adjusted)
Patent 5581489: Model generator for constructing and method of generating a model of an object for finite element analysis
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : MODELING BY MATHEMATICAL EXPRESSION :)
Patent 5581490: Contact management model assessment system for contact tracking in the presence of model uncertainty and noise
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : MODELING BY MATHEMATICAL EXPRESSION :)
Patent 5581491: High-throughput testing apparatus
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : TESTING SYSTEM : Of circuit : Testing multiple circuits : Frequency)
Patent 5581492: Flexible wearable computer
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)
Patent 5581493: Device for filtering positive dejustification jitter of a digital bit stream and application thereof to filtering positive and
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Logarithmic/exponential)
Patent 5581494: Adaptive discrete-time transversal filter
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Transversal : Tone detection)
Patent 5581495: Adaptive signal processing array with unconstrained pole-zero rejection of coherent and non-coherent interfering signals
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Filtering : Transversal : Tone detection)
Patent 5581496: Zero-flag generator for adder
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Status condition/flag generation or use : Matrix array)
Patent 5581497: Carry skip adder with enhanced grouping scheme
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Addition/subtraction : Binary : Parallel : Carry look-ahead : Slice block having block ripple :)
Patent 5581498: Stack of IC chips in lieu of single IC chip
(STATIC INFORMATION STORAGE AND RETRIEVAL : INTERCONNECTION ARRANGEMENTS : Magnetic)
Patent 5581499: Micro information storage system
(STATIC INFORMATION STORAGE AND RETRIEVAL : RADIANT ENERGY : Semiconductive)
Patent 5581500: Memory cell with power supply induced reversed-bias pass transistors for reducing off-leakage current
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Flip-flop (electrical) : Complementary : Biax)
Patent 5581501: Nonvolatile SRAM cells and cell arrays
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Guide structure)
Patent 5581502: Method for reading a non-volatile memory array
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Disturbance control : Overlays)
Patent 5581503: Data line disturbance free memory block divided flash memory and microcomputer having flash memory therein
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Erase : Flash : Radiation erasure)
Patent 5581504: Non-volatile electrically erasable memory with PMOS transistor NAND gate structure
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Logic connection (e.g., NAND string) : Weak inversion injection)
Patent 5581505: Ram/ROM hybrid memory architecture
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including level shift or pull-up circuit : Four or more devices per bit)
Patent 5581506: Level-shifter, semiconductor integrated circuit, and control methods thereof
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including level shift or pull-up circuit : Four or more devices per bit)
Patent 5581507: Systems and methods for memory control
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including reference or bias voltage generator : Four or more devices per bit)
Patent 5581508: Semiconductor memory having sub-word line replacement
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)
Patent 5581509: Double-row address decoding and selection circuitry for an electrically erasable and programmable non-volatile memory device with redundancy,
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)
Patent 5581510: Method of testing flash memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Testing : Coincident A.C. signal with pulse)
Patent 5581511: Integrated circuit memory device with balancing circuit including follower amplifier coupled to bit line
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Complementing/balancing : Coincident A.C. signal with pulse)
Patent 5581512: Synchronized semiconductor memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Sync/clocking : Magnetic)
Patent 5581513: Continuous page random access memory and systems and methods using the same
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Byte or page addressing : Page memories)
Patent 5581514: Surface seismic profile system and method using vertical sensor
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Offshore prospecting : Transducer position control :)
Patent 5581515: Thin speed transducer sensor
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Speed determination : Linear valve control)
Patent 5581516: Low power transmitter providing selectable waveform generation
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : TRANSMITTER SYSTEMS : Responsive to intruder energy)
Patent 5581517: Method and apparatus for focus control of transmit and receive beamformer systems
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : TRANSMITTER SYSTEMS : With beam forming, shaping, steering, or scanning : Addition or subtraction)
Patent 5581518: Transducer cover
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Receivers : Casing or housing : Spider spring)
Patent 5581519: Analog indicator type electronic timepiece and charging method thereof
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : CHRONOLOGICAL : With supplemental power source : With mechanical or electromechanical resetting)
Patent 5581520: Watch driven elapsed time indicator apparatus and its method of manufacture and use
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : CHRONOLOGICAL : With mechanical or electromechanical driven display : Sequential hourly sounding means)
Patent 5581521: Device for controlling the motor of a recording and reproducing apparatus
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Servo loop gain/switching control : Recording (e.g., inhibit recording upon defect, etc.))
Patent 5581522: Library apparatus having accessor with bar code reader which rotates at a different horizontal position when reading a bar code failed at a
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Plural tapes : Tape in container : Drum)
Patent 5581523: Laser emission unit, optical head and optical memory device
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Of track on single storage medium)
Patent 5581524: Magnetooptical information recording and/or reproducing method and apparatus in which prior to actual recording and/or reproducing,
(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 5581525: Dual mode recording and reproducing apparatus having two recording regions using differing reproduction principles
(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 5581526: Optical seeking method and apparatus with track counting using tracking error signal having constant amplitude during data segments
(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 5581527: Information recording/reproducing apparatus for optical information recording medium using a track traverse detecting signal
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONDITION INDICATING, MONITORING, OR TESTING : Including radiation storage or retrieval : Of transducer assembly mechanism : Focusing or tracking servo : By detection of storage medium incident radiation)
Patent 5581528: System for recording digital information in a pulse-length modulation format
(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 5581529: Combination of a recording arrangement and a source selection arrangement
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : DUPLICATION OR COPYING (E.G., RERECORDING) : Particular acoustical structure (e.g., baffle))
Patent 5581530: Digital recorder for processing of parallel data stored in multiple tracks and using cross-fade processing
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SYSTEMS HAVING PLURAL PHYSICALLY DISTINCT INDEPENDENT TRACKS ON A SINGLE STORAGE MEDIUM SURFACE : Including distinct storage tracks on record medium)
Patent 5581531: Method of making optical disk master and an optical disk
(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 5581532: Optical information recording/reproducing apparatus for accurately detecting magnetic domain edges
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : Light beam generation : Polarized light beam : Linear polarization : During load and unload of storage medium)
Patent 5581533: Objective lens actuating device, optical pickup employing the objective lens actuating device and optical disk recording and/or reproducing
(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 : Sectioned optical element)
Patent 5581534: Device for realizing a longitudinal pattern of substantially parallel tracks in a record carrier which controls movement of the record
(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 : Separation into plural polarization component beams)
Patent 5581535: Prepulse conditon/heat shut off condition determination method and apparatus for optical recording, and optical recording method and
(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 5581536: Mass storage servo control system utilizing an analog signal leak detector
(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 5581537: Information record/reproducing apparatus and information recording medium
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Electrical modification or sensing of storage medium (e.g., capacitive, resistive, electrostatic charge) : Having photographic storage medium (e.g., variable density or area))
Patent 5581538: Recording/reproducing apparatus with a probe to detect data recorded in pits and projections of a recording medium
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Electrical modification or sensing of storage medium (e.g., capacitive, resistive, electrostatic charge) : Having photographic storage medium (e.g., variable density or area))
Patent 5581539: Optical recording medium
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Optical track structure (e.g., phase or diffracting structure, etc.) : Pit/bubble/groove structure specifies : Disc holding or locating (e.g., spindle structure))
Patent 5581540: Single disk write protection system for multiple-disk cartridge
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : OPTICAL STORAGE MEDIUM STRUCTURE : Disk cartridge : Disc cartridge case or jacket : Having disc identification (e.g., write protect hole or tab) : Reducing eccentricity)
Patent 5581541: Hierarchical connection method apparatus and protocol
(MULTIPLEX COMMUNICATIONS : DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION) : Using antijabber circuit)
Patent 5581542: Device and method of performing a switching control to standby system in hybrid system of duplex system and backup line
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative switch or inoperative element of a switching system : Packet switching system or element : Standby switch :)
Patent 5581543: Communication network and method which respond to a failed link
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Bypass an inoperative station : Standby switch)
Patent 5581544: Method and apparatus for evaluating QOS in ATM multiplexing apparatus in which priority control is performed and for controlling call admissions
(MULTIPLEX COMMUNICATIONS : DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION) : Determination of communication parameters : Measurement of flow rate of messages having an address header : ATM least cost routing)
Patent 5581545: Traffic control device in private ATM network
(MULTIPLEX COMMUNICATIONS : DATA FLOW CONGESTION PREVENTION OR CONTROL : Flow control of data transmission through a network : Congestion based rerouting : Using OAM (Operation, Administration and Maintenance) cells)
Patent 5581546: Apparatus for monitoring an ATM system
(MULTIPLEX COMMUNICATIONS : DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION) : Determination of communication parameters : Measurement of flow rate of messages having an address header : ATM least cost routing)
Patent 5581547: Random access communication method by CDMA and mobile station equipment using the same
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA) : Channel assignment)
Patent 5581548: Frequency and channel hopping communication in a TDMA cellular mobile radio system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Having both time and frequency assignment : Including onboard switching)
Patent 5581549: Processor resetting method and apparatus
(MULTIPLEX COMMUNICATIONS : FAULT RECOVERY : Level multiplex)
Patent 5581550: Procedure for time spacing of transmittals from cells relating to messages, as well as devices for the implementation of such a procedure
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Message transmitted using fixed length packets (e.g., ATM cells) : Assigning period of time for information to be transmitted (e.g., scheduling) : Including routing table)
Patent 5581551: Method for transmitting digital signals in an ATM communication network
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Message transmitted using fixed length packets (e.g., ATM cells) : Connection set-up/disconnect (e.g., Connection Admission Control) : Employing logical addressing for routing (e.g., VP or VC))
Patent 5581552: Multimedia server
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Message transmitted using fixed length packets (e.g., ATM cells) : Distributed switching : Having a separate signaling network)
Patent 5581553: Distributed switching architecture
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Bus switch : Multiple access (e.g., TDMA))
Patent 5581554: Multiple access telecommunication network
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via frequency channels : Particular carrier generation : Message having an address header)
Patent 5581555: Reverse path allocation and contention resolution scheme for a broadband communications system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via frequency channels : Subscriber carrier : Program distribution : Combined communication of diverse information types : Idle or busy signal erasure or frame erasure)
Patent 5581556: Local area network system
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : FDM switching)
Patent 5581557: Method used in a communication network for determining access of user stations to a main station thereof
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : FDM switching)
Patent 5581558: Apparatus for bridging non-compatible network architectures
(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 5581559: Inverse packet disrupt for secure networks
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Processing of address header for routing, per se : Multistage switch)
Patent 5581560: Communication apparatus and method for simultaneous communication of audio and data signals with improved audio control
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Signaling (ancillary to main information) : Superimposed or modulated on principal information : Including delay device)
Patent 5581561: Random bit diagnostic for a high resolution measurement system
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Data pulse evaluation/bit decision : Shutdown or establishing system parameter (e.g., transmission rate))
Patent 5581562: Integrated circuit device implemented using a plurality of partially defective integrated circuit chips
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Error mapping or logging)
Patent 5581563: Design for testability technique of CMOS and BICMOS ICS
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Error mapping or logging)
Patent 5581564: Diagnostic circuit
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Scan path testing (e.g., level sensitive scan design (LSSD)) : Special test pattern (e.g., checkerboard, walking ones))
Patent 5581565: Measuring apparatus used for testing connections between at least two subassemblies
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Scan path testing (e.g., level sensitive scan design (LSSD)) : Special test pattern (e.g., checkerboard, walking ones))
Patent 5581566: High-performance parallel interface to synchronous optical network gateway
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Parallel generation of check bits : Cross-interleave Reed-Solomon code (CIRC))
Patent 5581567: Dual level error detection and correction employing data subsets from previously corrected data
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Error correcting code with additional error detection code (e.g., cyclic redundancy character, parity) : Cross-interleave Reed-Solomon code (CIRC))
Patent 5581568: Data detection apparatus
(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) : Viterbi decoding : Syndrome computed)
Patent 5581569: Solid state laser apparatus
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Insulating crystal : Frequency)
Patent 5581570: Semiconductor laser device
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular current control structure : With saturable absorption layer)
Patent 5581571: Semiconductor devices and methods
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular current control structure : Having oxidized region :)
Patent 5581572: Wavelength-tunable, distributed bragg reflector laser having selectively activated, virtual diffraction gratings
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Monolithic integrated : With diffraction grating (Bragg reflector) :)
Patent 5581573: Solid-state laser device with diffused-light excitation, and integrating sphere
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Pumping with optical or radiant energy : Pump cavity : Support)
Patent 5581574: Method and apparatus for conditioning and using furnace off-gases in a scrap preheating apparatus
(INDUSTRIAL ELECTRIC HEATING FURNACES : ARC FURNACE DEVICE : Charging or discharging : With charge pre-heating : With cooling)
Patent 5581575: Method and apparatus for transmission of variable rate digital data
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Direct sequence : End-to-end transmission system : Having correlation-type receiver :)
Patent 5581576: Radio information broadcasting and receiving system
(PULSE OR DIGITAL COMMUNICATIONS : APPARATUS CONVERTIBLE TO ANALOG : Including pulse regeneration or conversion)
Patent 5581577: Device for and method of counting bit errors and device for and method of identifying signals
(PULSE OR DIGITAL COMMUNICATIONS : TESTING : Data rate : Angle modulation)
Patent 5581578: Digital communication system and a receiver for use in such a system
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Plural channels for transmission of a single pulse train : Quadrature amplitude modulation : Plural feedback loops)
Patent 5581579: Method and apparatus to adaptively control the frequency of reception in a digital wireless communication system
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Angle modulation : Phase shift keying : Differential (diphase) : More than two phases :)
Patent 5581580: Low complexity model based channel estimation algorithm for fading channels
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Carrier controlling local generator)
Patent 5581581: Viterbi equalizer
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Maximum likelihood decoder or viterbi decoder : Separate mark and space channels)
Patent 5581582: Automatic frequency control method and apparatus therefor
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Automatic frequency control : Correlative or matched filter)
Patent 5581583: Optimizing the analog BER function in a spatial angular diversity digital radio receiver
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Diversity (frequency or time) : Separate mark and space channels)
Patent 5581584: PLL circuit
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Phase locking : Phase locked loop : More than two phases)
Patent 5581585: Phase-locked loop timing recovery circuit
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Phase locking : Phase locked loop : More than two phases)
Patent 5581586: Drive device for control rod drive mechanisms
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : WITH CONTROL OF REACTOR (E.G., CONTROL OF COOLANT FLOW) : By movement of control element or by release of neutron absorbing material : Wherein driver or motivating is electric : Including shock absorber)
Patent 5581587: Control rod driving apparatus
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : WITH CONTROL OF REACTOR (E.G., CONTROL OF COOLANT FLOW) : By movement of control element or by release of neutron absorbing material : Wherein driver or motivating is fluid : Electrofluidic)
Patent 5581588: Insulated protective coating doped with a noble metal for mitigation of stress corrosion cracking
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : REACTOR PROTECTION OR DAMAGE PREVENTION : Corrosion or damage prevention : For moderator structures)
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