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Patent 5251030: MC predicting apparatus
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)
Patent 5251031: Display control system
(TELEVISION : MONITORING, TESTING, OR MEASURING : Synchronization (e.g., H-sync to subcarrier) : Signal to noise ratio)
Patent 5251032: Line synchronizing circuit
(TELEVISION : SYNCHRONIZATION : Automatic phase or frequency control : Of sampling or clock : Noise inversion)
Patent 5251033: D.C. responsive equalization for television transmission channel irregularities
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Noise or undesired signal reduction : Specified color (e.g., saturation and contrast control))
Patent 5251034: Automatic PIP channel searching apparatus and method
(TELEVISION : BASIC RECEIVER WITH ADDITIONAL FUNCTION : For display of additional information : Simultaneously and on same screen (e.g., multiscreen) : Picture in picture : Locking rates)
Patent 5251035: Satellite broadcasting tuner
(TELEVISION : RECEIVER CIRCUITRY : Modulator)
Patent 5251036: High-definition still picture cameras having a solid-state imaging device with photoelectric conversion elements divided into four fields
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Charge-coupled architecture : Exclusively passive light responsive elements in the matrix)
Patent 5251037: Method and apparatus for generating high resolution CCD camera images
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Aerial viewing : With transformation or rectification : With modification of scanner sweep)
Patent 5251038: Solid state imager with a condenser lens on a photo sensor
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Optics : With optics peculiar to solid-state sensor : Exclusively dichroic elements)
Patent 5251039: System for reciprocating optical units of different speeds in opposite directions by use of two motors
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5251040: Image communication apparatus having ink jet recorder with timer for controlling reception of successive pages of image data
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Recording apparatus : Scanning)
Patent 5251041: Method and apparatus for modifying a video signal to inhibit unauthorized videotape recording and subsequent reproduction thereof
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Separately processed luminance and chrominance : Color signal in nonpictorial form)
Patent 5251042: Component video signal transmitting apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Frequency modulation for recording on the same track : Compressing when recording or decompressing when reproducing : Different phase between adjacent lines or fields of color television signal)
Patent 5251043: Facsimile apparatus comprising means for continuously transmitting plural groups of image data to the same receiver party
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Electronic mailbox : Composite image)
Patent 5251044: Facsimile apparatus for accounting for supplies used in receiving facsimile transmissions
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Auxiliary signal : Telephone number or address of designator : Auxiliary signal controls apparatus at both transmitter and receiver)
Patent 5251045: Magnification changing system for a copier
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Picture size conversion : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5251046: Hierarchy encoding system of multi-level image through dither conversion
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Gray level to binary coding : Checking spelling for recognition)
Patent 5251047: Apparatus including a circuit for processing an analog image signal supplied from an array sensor
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Carrier wave modulation)
Patent 5251048: Method and apparatus for electronic switching of a reflective color display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Resistor-diode arrangement)
Patent 5251049: Reflection type active matrix liquid crystal apparatus
(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 : Structure of transistor :)
Patent 5251050: Liquid crystal display having spontaneous polarization above threshold voltage times liquid crystal and sub-capacitor capacitance over two
(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 supplemental capacitor : With particular dielectric mirror for spatial light modulator (i.e., SLM))
Patent 5251051: Circuit for driving liquid crystal panel
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) : Display elements arranged in matrix (e.g., rows and columns) : Light-controlling display elements : Liquid crystal display elements (LCD) : Specific display element control means (e.g., latches, memories, logic) : Particular row or column control (e.g., shift register) : Smooth or continuous)
Patent 5251052: System for solving boolean equations using optical lookup tables
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL COMPUTING WITHOUT DIFFRACTION : Hardware for producing a hologram)
Patent 5251053: Radio communication system
(OPTICAL COMMUNICATIONS : REMOTE CONTROL : Through optical fiber or waveguide : Through optical fiber or waveguide)
Patent 5251054: LAN electro-optical interface
(OPTICAL COMMUNICATIONS : RECEIVER : Including specific optical elements)
Patent 5251055: Optical scanning apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) : Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) : Including reflective type moving element : Having multifaceted rotating element : Single plane mirror element)
Patent 5251056: High-speed light beam deflector
(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 : Reflective element moved by deformable support : Having planar rotating reflector with rotation axis in its plane)
Patent 5251057: Multiple beam optical modulation system
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Modulation of polarized light via modulating input signal : Compensation technique : Semiconductor)
Patent 5251058: Multiple beam exposure control
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL MODULATOR : Light wave temporal modulation (e.g., frequency, amplitude, etc.) : Changing bulk optical parameter : Electro-optic : Modulation of polarized light via modulating input signal : Compensation technique : Semiconductor)
Patent 5251059: Frequency conversion device and method of fabricating the same
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Having particular chemical composition or structure)
Patent 5251060: Light-source unit
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL FREQUENCY CONVERTER : Harmonic generator : Magneto-optic crystal material)
Patent 5251061: Telecommunications system having fiber optical amplifiers for transmitting signals over long distances
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Optical fiber : Pumping : Interferometer or interference)
Patent 5251062: Tellurite glass and fiber amplifier
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Optical fiber : Using saturable or spatial filter)
Patent 5251063: Large-aperture three-lens objective with aspherical-surfaces
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Lens, lens system or component : Regenerative)
Patent 5251064: Lighting fixture reflector containing ultraviolet absorber
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Having ultraviolet absorbing or shielding property : Having metal layer)
Patent 5251065: Polarizing screen and projector using the same
(OPTICAL: SYSTEMS AND ELEMENTS : PROJECTION SCREEN : Unitary sheet comprising plural refracting areas : Rear projection screen)
Patent 5251066: Bathroom mirror demister
(OPTICAL: SYSTEMS AND ELEMENTS : PROTECTION FROM MOISTURE OR FOREIGN PARTICLE : Fluid directed across optical element : With color filter)
Patent 5251067: Fly-eye lens device and lighting system including same
(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 : Noncircular cross section : Serially disposed along optic axis)
Patent 5251068: Objective lens having a filter
(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 : Wavelength selective (e.g., dichroic mirror, etc.) : With additional reflector (e.g., serial reflections, etc.))
Patent 5251069: Imaging lens system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Including a nonspherical surface : Having two components : With macro type focusing)
Patent 5251070: Catadioptric reduction projection optical system
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With reflecting element : For producing a double pass : Reflectors in series)
Patent 5251071: Color filter
(OPTICAL: SYSTEMS AND ELEMENTS : ABSORPTION FILTER : Filters in optical parallel (e.g., colors side-by-side, etc.) : Laminated or layered mirror support)
Patent 5251072: Image reader
(OPTICAL: SYSTEMS AND ELEMENTS : MISCELLANEOUS : Submerged object viewer)
Patent 5251073: High-aperture wide angle lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Including a nonspherical surface : Having four components : With macro type focusing)
Patent 5251074: Method and apparatus for controlling a video signal print system
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Track searching : Numerical code)
Patent 5251075: Cue signal detecting apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORDING OR REPRODUCING PLURAL INFORMATION SIGNALS ON THE SAME TRACK : Contact transfer)
Patent 5251076: Recording apparatus for electrocardiographs
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : CONVERTING AN ANALOG SIGNAL TO DIGITAL FORM FOR RECORDING; REPRODUCING AND RECONVERTING : Frequency)
Patent 5251077: Method of reading digital data on magnetic tape
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : Data verification : With incremental movement between record and head)
Patent 5251078: Tape position detecting device that compares and selects between two modes of detecting the tape position
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the record : Locating specific areas : Responsive to recorded address :)
Patent 5251079: Tracking control circuit including gain correction control
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Elongated web carrier (i.e., tape) : Transverse scan path : By pilot signal : From separate track)
Patent 5251080: Tape loading and biasing device for recording or reproducing apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD MOVING DURING TRANSDUCING : Tape record : Rotating head : Tape in container : Drum)
Patent 5251081: Spindle grounding device
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Environmental control (e.g., air filter, temperature control) : Plural reels)
Patent 5251082: Miniaturized disk file pluggable into a card terminal
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Plural disks : Rotational drive detail : Mechanical detail)
Patent 5251083: Flying head slider and method of producing the same
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : FLUID BEARING HEAD SUPPORT : Disk record : Air bearing slider detail : Air bearing surface detail : Varying width rail : Three or more rails/pads)
Patent 5251084: Transducer head base for multiple size drums
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For moving head during transducing : Tape record having rotary head : Rotating drum : Head mount to drum : Hydrodynamic)
Patent 5251085: Pivotable arm assembly with reduced thermal distortion
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For shifting head between tracks : Disk record : Arcuate head movement : Bearing : Mounting detail : Winding detail)
Patent 5251086: Tape drive subassembly
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : For adjusting head position : Tape record : Screw adjuster : Plural screws : Hydrodynamic)
Patent 5251087: Holder for magnetic sensitive element
(CODED DATA GENERATION OR CONVERSION : DIGITAL PATTERN READING TYPE CONVERTER : Magnetic, inductive or capacitive : Having optical waveguide)
Patent 5251088: Magnetic read head with magneto-resistance effect
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Magnetoresistive (MR) reproducing head : Having multiple independent MR sensors : Plural actuators)
Patent 5251089: Magnetic head
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Gap structure details : Plural gaps : Mounting detail)
Patent 5251090: Self sealing data storage element
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD MEDIUM : In container : Pressure element)
Patent 5251091: Solenoid driving circuit for automatic transmission
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : Systems for magnetizing, demagnetizing, or controlling the magnetic field : Including particular drive circuit : Magnetic tape)
Patent 5251092: Receptacle assembly with both insulation displacement connector bussing and friction connector coupling of power conductors to surge suppressor
(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 5251093: Simplified self-latching relay switching circuit
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES : For relays or solenoids : Temperature indicating instrument)
Patent 5251094: Terminal electrodes for multilayer ceramic capacitor and method of manufacture thereof
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : ELECTROSTATIC CAPACITORS : Fixed capacitor : Details of electrical connection means (e.g., terminal or lead) : Lead attached to edge of capacitor : Cap : With adjustment means)
Patent 5251095: Low temperature conduction module for a cryogenically-cooled processor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : Air : With air circulating means : Circular)
Patent 5251096: Portable electronic apparatus
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Fluid : Air : With air circulating means : Fan or blower : With stabilizer or modifying substance)
Patent 5251097: Packaging architecture for a highly parallel multiprocessor system
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : With cooling means : Disk drive support)
Patent 5251098: Multiple transistor clamping device and method
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : For active solid state devices : Plural)
Patent 5251099: High density electronics package having stacked circuit boards
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : For printed circuit board : Plural : Circuit board mounted)
Patent 5251100: Semiconductor integrated circuit device with cooling system and manufacturing method therefor
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : For active solid state devices : For integrated circuit : Circuit board mounted : With heat sink or cooling fins)
Patent 5251101: Dissipating structure for central processing unit chip
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : With cooling means : Thermal conduction : For active solid state devices : Plural)
Patent 5251102: Computer and computer terminals with depending, supporting ridge
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)
Patent 5251103: Vehicle component holding case
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With retractable or readily detachable chassis)
Patent 5251104: Enclosure latch system including a bearing surface tapering from flat to cylindrical
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : Stacked)
Patent 5251105: Portable electronic apparatus having a battery pack with a mechanism for latching and an independent mechanism for temporarily preventing
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Computer related support : CRT support)
Patent 5251106: Stackable enclosure for electronic devices
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Module : With printed circuit boards : Cordwood type : Selective connections)
Patent 5251107: Semiconductor package
(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 : Having semiconductive device : With specific connection material)
Patent 5251108: Laminated electronic device with staggered holes in the conductors
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Plural : Plural contiguous boards : Multiple contact pins)
Patent 5251109: Holding device for plug-in cards
(ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES : HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS : For electronic systems and devices : Printed circuit board : Plural : With housing or chassis : Plural dielectric layers)
Patent 5251110: Multi-function headlamp for a motor vehicle, adapted to improve the illumination of road signs
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Light modifier : Including selected wavelength modifier : Headlight)
Patent 5251111: Composite headlamp vent device
(ILLUMINATION : SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) : Housing : With cooling or ventilating feature : Including light emitting diode)
Patent 5251112: Flashing and musical device for a writing implement
(ILLUMINATION : WITH IMPLEMENT OR HAND HELD HOLDER THEREFOR : Pen or pencil : Switch on handle)
Patent 5251113: Lantern float apparatus
(ILLUMINATION : SELF POWERED LAMP : With support : Movable lamp bulb or lamp bulb support)
Patent 5251114: Actuator for controlling the orientation of a motor vehicle headlamp
(ILLUMINATION : LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER : Adjustable or repositionable light source or light source support : Electromagnetic actuator : With actuator)
Patent 5251115: Specific intensity distribution light reflector
(ILLUMINATION : LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER : Including reflector : Including nonparallel modifying surfaces)
Patent 5251116: Luminaire for creating a primary beam and a secondary beam
(ILLUMINATION : LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER : Including reflector : With or including translucent or transparent modifier : Refractor : With or including means modifying axial rays)
Patent 5251117: Structure of a diffusing lens for a light emitting diode
(ILLUMINATION : LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER : Including translucent or transparent modifier : Enclosed light source)
Patent 5251118: Modular lighting system and method
(ILLUMINATION : HOUSING : Translucent or opaque (e.g., "shade"))
Patent 5251119: Inverter with shared chopper function for high input power factor with restrained higher harmonics
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : Including an A.C.-D.C.-A.C. converter : By semiconductor rectifier and inverter : Double-ended type (i.e., push-pull))
Patent 5251120: Harmonic noise isolation and power factor correction network
(ELECTRIC POWER CONVERSION SYSTEMS : CURRENT CONVERSION : With means to introduce or eliminate frequency components : In rectifier systems : By step-wave, amplitude summation technique)
Patent 5251121: Power supplies
(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 5251122: System for automatically generating a sequential control program
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Sequential or selective : Operator interface (e.g., display with control) : Specific programming (e.g., relay or ladder logic) : Clock-calendar (e.g., time of day))
Patent 5251123: High resolution system for sensing spatial coordinates
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Digital positioning (other than machine tool) : Having particular compensation or stabilization feature)
Patent 5251124: Fuzzy controller apparatus and method for steady state control
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Specific compensation or stabilization feature : Positional (e.g., velocity, acceleration))
Patent 5251125: User interface for a process control device
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Having operator control interface (e.g., control/display console) : Keyboard : Positional with nonpositional)
Patent 5251126: Diabetes data analysis and interpretation method
(SURGERY : DIAGNOSTIC TESTING : Measuring or detecting nonradioactive constituent of body liquid by means placed against or in body throughout test :)
Patent 5251127: Computer-aided surgery apparatus
(SURGERY : INSTRUMENTS : Stereotaxic device : With fragmenting means)
Patent 5251128: Motion artifact reduction in projection imaging
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : With tomographic imaging obtained from electromagnetic wave : Including any system component contacting (internal or external) or conforming to body or body part)
Patent 5251129: Method for automated morphological analysis of word structure
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : LINGUISTICS : Natural language : Storage or retrieval of data)
Patent 5251130: Method and apparatus for facilitating contextual language translation within an interactive software application
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : LINGUISTICS : Translation machine : Having particular Input/Output device :)
Patent 5251131: Classification of data records by comparison of records to a training database using probability weights
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : LINGUISTICS : Natural language : Storage or retrieval of data)
Patent 5251132: Clutch pressure control based on output shaft speed
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Clutch control : Time regulated operations)
Patent 5251133: Reference point recognition apparatus for the steering control system of a vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Automatic route guidance vehicle : Railway vehicle speed control)
Patent 5251134: Suspension system for automotive vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Suspension control : Attitude change suppressive control (e.g., antiroll or antipitch) : Inner/outer loop)
Patent 5251135: Vehicle steering control system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Steering control : Feedback, transfer function or proportional and derivative (P& D) control : Inner/outer loop)
Patent 5251136: Actively controlled suspension system for automotive vehicles
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Vehicle subsystem or accessory control : Suspension control : Attitude change suppressive control (e.g., antiroll or antipitch) : Inner/outer loop)
Patent 5251137: Vehicle handling control method for antilock braking
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Antiskid, antilock, or brake slip control : During cornering or turning of vehicle : Using a transmission ratio as feedback control)
Patent 5251138: Cruise control apparatus for a vehicle
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION : Indication or control of braking, acceleration, or deceleration : Vehicle speed control (e.g., cruise control) : Having gradient responsive control to suppress hunting, overshooting, or undershooting : By transmission shifting control :)
Patent 5251139: Vehicular traveling direction measuring system
(DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION : NAVIGATION : Employing position determining equipment : Using inertial sensor : With correction by noninertial sensor : Having an self-contained position computing means (e.g., dead reckoning))
Patent 5251140: E-beam control data compaction system and method
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Having particular tool or tool operation : Control or detection of a particular condition)
Patent 5251141: Apparatus for dividing workpieces especially of wood
(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 : Laser : Thickness control)
Patent 5251142: Rip fence of table saw which may be positioned by computer control
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Material usage optimization : Laser)
Patent 5251143: Apparatus for generating numerical control programs which generate no undercutting and no cutting remainder
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Performance monitoring : Condition of tool or workpiece (e.g., tolerance, tool wear) : Offsetting : Roll eccentricity compensation)
Patent 5251144: System and method utilizing a real time expert system for tool life prediction and tool wear diagnosis
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Performance monitoring : Protective or diagnostic feature : Offsetting)
Patent 5251145: Decision apparatus for machining steps of numerical control information generating function
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Having operator interface feature : Protective or diagnostic feature)
Patent 5251146: Injection compression molding method and an apparatus therefor
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Molding : Injection : Control of pressure : Repeated machining passes)
Patent 5251147: Minimizing the interconnection cost of electronically linked objects
(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 5251148: Integrated process control valve
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Mechanical control system : Flow control (e.g., valve or pump control) : Specific thermally responsive controller)
Patent 5251149: Electronic nutating disc flow meter
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Mechanical measurement system : Flow metering : Count or pulse : Torsional, shear, tensile, or compression)
Patent 5251150: Sub-modular development system for modular computer-based instruments
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Signal generation or waveform shaping)
Patent 5251151: Method and apparatus for diagnosing the state of a machine
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT : Mechanical measurement system : Vibration detection : Liquid level or volume determination)
Patent 5251152: Storage and display of historical LAN traffic statistics
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MULTICOMPUTER DATA TRANSFERRING : COMPUTER NETWORK MANAGING : Computer network monitoring :)
Patent 5251153: Flexibly programmable irrigation system controller
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Mechanical control system : Flow control (e.g., valve or pump control) : Dispensing management (e.g., spraying) : Irrigation : Monitoring or inspection (e.g., incomplete assembly))
Patent 5251154: Method for measuring accuracy of thread groove and system for the same
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Dimensional determination : Contouring : By probe (e.g., contact) : Odometer)
Patent 5251155: System identification apparatus using spectrum analysis of resonation frequencies
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : TESTING SYSTEM : For transfer function determination : Binary signal stimulus (e.g., pulse) : Frequency)
Patent 5251156: Method and apparatus for non-contact measurement of object surfaces
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : MEASUREMENT SYSTEM : Dimensional determination : Contouring : By rotary encoding means)
Patent 5251157: Process for offset adjustment of a microprocessor based overcurrent protective device and apparatus
(DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING : CALIBRATION OR CORRECTION SYSTEM : For mechanical system : Tare weight adjusted)
Patent 5251159: Circuit simulation interface methods
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : SIMULATING ELECTRONIC DEVICE OR ELECTRICAL SYSTEM : Circuit simulation : Well or reservoir)
Patent 5251160: System for blending surfaces in geometric modeling
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : MODELING BY MATHEMATICAL EXPRESSION :)
Patent 5251161: Method of generating model crash waveforms for testing vehicle crash detection systems
(DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION : MODELING BY MATHEMATICAL EXPRESSION :)
Patent 5251162: Integratable circuit configuration with an analog network
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL HYBRID CALCULATING COMPUTER : Particular function performed :)
Patent 5251163: Keypointer for single-hand computer keyboard
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Having specialized input : Including specific keyboard-type information entry : Business)
Patent 5251164: Low-power area-efficient absolute value arithmetic unit
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Absolute value or magnitude : Zero suppression)
Patent 5251165: Two phase random number generator
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Random number generation : More than two operands)
Patent 5251166: Redundant binary type digital operation unit
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multi-valued : Butterfly circuit)
Patent 5251167: Method and apparatus for processing sign-extension bits generated by modified booth algorithm
(ELECTRICAL COMPUTERS: ARITHMETIC PROCESSING AND CALCULATING : ELECTRICAL DIGITAL CALCULATING COMPUTER : Particular function performed : Arithmetical operation : Multiplication : Binary : Repeated addition : Multiple digit : Array adders :)
Patent 5251168: Boundary cells for improving retention time in memory devices
(STATIC INFORMATION STORAGE AND RETRIEVAL : FORMAT OR DISPOSITION OF ELEMENTS : Magnetic)
Patent 5251169: Non-volatile erasable and programmable interconnect cell
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : Overlays)
Patent 5251170: Offset magnetoresistive memory structures
(STATIC INFORMATION STORAGE AND RETRIEVAL : SYSTEMS USING PARTICULAR ELEMENT : Magnetoresistive : Complementary)
Patent 5251171: Method of operating a semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular connection : With volatile signal storage device : Rectangular bars)
Patent 5251172: Semiconductor memory apparatus having reduced amount of bit line amplification delay
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including reference or bias voltage generator : Four or more devices per bit)
Patent 5251173: High-speed, low DC power, PNP-loaded word line decorder/driver circuit
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Including level shift or pull-up circuit : Four or more devices per bit)
Patent 5251174: Memory system
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Bad bit : Coincident A.C. signal with pulse)
Patent 5251175: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : FLOATING GATE : Particular biasing : Erase : Flash : Radiation erasure)
Patent 5251176: Dynamic type semiconductor memory device with a refresh function and method for refreshing the same
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Data refresh : Holographic)
Patent 5251177: Semiconductor memory device having an improved refresh operation
(STATIC INFORMATION STORAGE AND RETRIEVAL : READ/WRITE CIRCUIT : Data refresh : Holographic)
Patent 5251178: Low-power integrated circuit memory
(STATIC INFORMATION STORAGE AND RETRIEVAL : POWERING : Conservation of power : Holographic)
Patent 5251179: Apparatus and method for extending battery life
(STATIC INFORMATION STORAGE AND RETRIEVAL : POWERING : Conservation of power : Holographic)
Patent 5251180: Semiconductor memory device
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Plural blocks or banks : Standby power)
Patent 5251181: Random access memory device and method of controlling same in pipe line page mode
(STATIC INFORMATION STORAGE AND RETRIEVAL : ADDRESSING : Including particular address buffer or latch circuit arrangement : Including magnetic element)
Patent 5251182: Hydrophone cable construction
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Offshore prospecting : Multiple hydrophone cable systems : Fluid variation)
Patent 5251183: Apparatus and method for marine seismic surveying utilizing adaptive signal processing
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Offshore prospecting : Signal processing : Fluid variation)
Patent 5251184: Method and apparatus for finding horizons in 3D seismic data
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SEISMIC PROSPECTING : Land-reflection type : Display systems : 3-D : Digital)
Patent 5251185: Sonar signal processor and display
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Distance or direction finding : With correlation or matched filtering : Automatic gain or threshold control)
Patent 5251186: Preprocessor and adaptive beamformer for linear-frequency modulation active signals
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : ECHO SYSTEMS : Distance or direction finding : With beam steering, scanning, or focussing : Linear modulation (e.g., sawtooth))
Patent 5251187: Method and apparatus for separating dolphin from tuna and steering dolphin to a safe area
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : TRANSMITTER SYSTEMS : Animal control : Addition or subtraction)
Patent 5251188: Elongated-pattern sonic transducer
(COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES : SIGNAL TRANSDUCERS : Animal control)
Patent 5251189: Wristwatch radiotelephone
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : CONTROLLED BY A DISPARATE DEVICE : Telephone :)
Patent 5251190: Electronic timepiece having functional hands
(HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES : COMBINED WITH DISPARATE DEVICE : Electrical device)
Patent 5251191: Remotely-synchronizable time display
(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 5251192: CD player actuation system
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : INFORMATION LOCATION OR REMOTE OPERATOR ACTUATED CONTROL : Selective addressing of storage medium (e.g., programmed access) : Of optical storage medium : Plural optical storage media in disc changer : Plural media are unprotected (i.e., discs that are not in cartridges) : Having particular mechanism or slot for transferring disc into changer from outside)
Patent 5251193: Solid state optical disk reader
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING : Optical servo system : Solid state optical element with plural dissimilar optical components (e.g., using I.C. block, etc.) : Scanning turntable)
Patent 5251194: Techniques for controlling beam position and focus in optical disk drives
(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 5251195: Disc player with simplified lifting and lowering mechanism
(DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL : PARTICULAR CABINET STRUCTURE FOR OPTICAL MEDIA : Tray or drawer loading or ejecting : Single multi-purpose driving source : Pivotable chassis mounted turntable or pickup)
Patent 5251196: Optical pick-up selectively reading and writing an optical and magneto-optical recorded medium
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Polarization of or by storage medium information element : Separation into plural polarization component beams : Using plural polarized or polarizing optical elements : Including storage or retrieval of auxiliary signal)
Patent 5251197: Polarization dependent writing and erasing process for organic optical media
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM : Radiation beam modification of or by storage medium : Polarization of or by storage medium information element : Plural elements with distinct diffractive characteristics)
Patent 5251198: Reading device for multi-layered optical information carrier
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : SYSTEMS HAVING PLURAL PHYSICALLY DISTINCT INDEPENDENT TRACKS ON A SINGLE STORAGE MEDIUM SURFACE : Having layered storage medium : Including modulated subchannel signal)
Patent 5251199: Laser diode drive control apparatus
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : CONDITION INDICATING, MONITORING, OR TESTING : Including radiation storage or retrieval : Having abnormal condition indicating : By program or address signal)
Patent 5251200: Tracking method for memory apparatus
(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 5251201: Optical disk device
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : DYNAMIC MECHANISM SUBSYSTEM : Access of multiple storage elements (e.g., record changer) : Storage disc fed to and removed from turntable : Both sides of disc used : By replacement)
Patent 5251202: Optical information recording medium having multi-layered structures for preventing undesired reflection and electric charging
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE MEDIUM STRUCTURE : Layered (e.g., permanent protective layer) : Laminated or unified discrete layers : With mask)
Patent 5251203: Hub privacy filter for active star CSMA/CD network
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Having a plurality of nodes performing distributed switching : Interconnected star couplers : Bridge between bus systems)
Patent 5251204: Transmission test system in a broadband ISDN
(MULTIPLEX COMMUNICATIONS : DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION) : Loopback : Having a dedicated test line or channel)
Patent 5251205: Multiple protocol routing
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Processing of address header for routing, per se : Multistage switch)
Patent 5251206: Hybrid switching system for a communication node
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Combined circuit switching and packet switching : Synchronization)
Patent 5251207: Combined terminal adapter for SMDS and frame relay high speed data services
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Adaptive : Transmission of a single message having multiple packets : Message having an address header)
Patent 5251208: Digital signal processor synchronous network
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Using a separate control line or bus for access control : Concentrator)
Patent 5251209: Prioritizing attributes in integrated services networks
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Adaptive : Assignment of variable bandwidth or time period for transmission or reception : Conversion between signaling protocols)
Patent 5251210: Method and apparatus for transforming low bandwidth telecommunications channels into a high bandwidth telecommunication channel
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Synchronizing : Adjusting for phase or jitter : Including delay device : Delay based upon propagation delay time : Ring or loop forms backbone for interconnecting other networks)
Patent 5251211: Multiplex transmission system for automotive vehicles
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Carrier sense multiple access (CSMA) : Using channel reservation)
Patent 5251212: Bus transmission method and system
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Arbitration for access to a channel : Arbitration for access between contending stations)
Patent 5251213: Multiport source routing token ring bridge apparatus
(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 : Bridge between bus systems : At least one bus is a ring network :)
Patent 5251214: Method for transmitting data to a plurality of data stations
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Address transmitted : Transmission of a single message having multiple packets)
Patent 5251215: Modifying check codes in data packet transmission
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Adaptive : Frame length : Message having an address header : On ring or loop)
Patent 5251216: Receiver gain control for radio telephone system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Combining or distributing information via time channels : Multiple access (e.g., TDMA) : Using multiple antennas at a station)
Patent 5251217: Time-division multiplex information transmission system having a variable structure
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Multiplexing plural input channels to a common output channel : Plural input channels of different rates to a single common rate output channel : Including delay device)
Patent 5251218: Efficient digital frequency division multiplexed signal receiver
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via frequency channels : Channel assignment)
Patent 5251219: Error detection and correction circuit
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital data error correction : Forward correction by block code : Double encoding codes (e.g., product, concatenated) : Bus or I/O channel device fault)
Patent 5251220: Method and apparatus for error detection and processing
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Error/fault detection technique : Code constraint monitored : Modulo-n residue check character)
Patent 5251221: Self aligning intracavity Raman laser
(COHERENT LIGHT GENERATORS : RAMAN LASER :)
Patent 5251222: Active multi-stage cavity sensor
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Modulation : Frequency multiplying (e.g., harmonic generator))
Patent 5251223: Air-cooled argon ion laser tube
(COHERENT LIGHT GENERATORS : PARTICULAR TEMPERATURE CONTROL : Optical output stabilization)
Patent 5251224: Quantum barrier semiconductor optical device
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular confinement layer : With strained layer :)
Patent 5251225: Quantum-well diode laser
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Semiconductor : Injection : Particular confinement layer :)
Patent 5251226: Discharge exciting excimer laser device
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Electrical : Having particular electrode structure : Traveling wave)
Patent 5251227: Targeted resets in a data processor including a trace memory to store transactions
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : DATA PROCESSING SYSTEM ERROR OR FAULT HANDLING : Reliability and availability : Fault recovery : Resetting processor : With power supply status monitoring)
Patent 5251228: Reliability qualification vehicle for application specific integrated circuits
(ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY : PULSE OR DATA ERROR HANDLING : Digital logic testing : Error mapping or logging)
Patent 5251229: Laser with reduced intensity fluctuations
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : With depopulation of lower states)
Patent 5251230: Resonant cavity dither with index of refraction modulator
(COHERENT LIGHT GENERATORS : PARTICULAR RESONANT CAVITY : Folded cavity : Having a ring configuration : Hollow electrode)
Patent 5251231: Vacuum furnace
(INDUSTRIAL ELECTRIC HEATING FURNACES : RESISTANCE FURNACE DEVICE : Power supply system)
Patent 5251232: Radio communication apparatus
(PULSE OR DIGITAL COMMUNICATIONS : APPARATUS CONVERTIBLE TO ANALOG : Including pulse regeneration or conversion)
Patent 5251233: Apparatus and method for equalizing a corrupted signal in a receiver
(PULSE OR DIGITAL COMMUNICATIONS : EQUALIZERS : Automatic : Angle modulation)
Patent 5251234: Data transmission system
(PULSE OR DIGITAL COMMUNICATIONS : MULTILEVEL : Synchronized : Duobinary)
Patent 5251235: Single receiver for receiving wireless transmission of signals is for use with a serial two-conductor data bus
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Transformer coupling)
Patent 5251236: Fractional rate modem with trellis
(PULSE OR DIGITAL COMMUNICATIONS : TRANSMITTERS : Quadrature amplitude modulation : Power amplifier)
Patent 5251237: Receiver for a digital transmission system
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Correlative or matched filter)
Patent 5251238: Circuit arrangement and method for the regeneration and synchronization of a digital signal
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Synchronizing the sampling time of digital data : Gating, blanking, etc.)
Patent 5251239: Synchronizing method for SDH systems as well as method of and circuit arrangement for identifying different data structures
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Frequency or phase control using synchronizing signal : Synchronization word : Separate mark and space channels)
Patent 5251240: Method and apparatus for employing resonance-produced gamma rays to detect the presence of both nitrogen and oxygen in objects that may
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : NUCLEAR TRANSMUTATION (E.G., BY MEANS OF PARTICLE OR WAVE ENERGY) : Gamma or charged particle activation analysis : For inertial confinement)
Patent 5251241: Nuclear steam generator wrapper closure assembly and method of installing same
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : SEAL ARRANGEMENTS : For nozzle : Deuteron bombardment)
Patent 5251242: Bi-metallic, self powered, fixed incore detector, and method of calibrating same
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : TESTING, SENSING, MEASURING, OR DETECTING A FISSION REACTOR CONDITION : Flux monitoring : Fuel element leak detection)
Patent 5251243: Automatic fuel assembly loader
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM : Fuel component : Directly generating electrical signal (e.g., ion detection))
Patent 5251244: Nuclear fuel pellet loading system
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM : Fuel component : Directly generating electrical signal (e.g., ion detection))
Patent 5251245: Shielded access door for a nuclear steam generator manway port having a beam of radiation streaming therethrough
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : REACTOR PROTECTION OR DAMAGE PREVENTION : Shield or barrier between radiation or heat source and object to be protected (e.g., insulation, thermal shield) : Pipe expansion joints)
Patent 5251246: Water rod concept without loss in active flow
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : FUEL COMPONENT STRUCTURE : Plural fuel segments or elements : In pack or bundle : With coolant flow path deflecting means : With coolant flow bypass means : With particular heat exchanger structure)
Patent 5251247: Method of sealing a fuel rod by welding
(INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS : FUEL COMPONENT STRUCTURE : Having particular end closure or seal (e.g., weld, plug, cap, etc.) : In pack or bundle)
Patent 5251248: Telephone network having personal numbers for position-independent
(TELEPHONIC COMMUNICATIONS : WITH USAGE MEASUREMENT (E.G., CALL OR TRAFFIC REGISTER) : Call charge metering or monitoring : Portable number billing : Based on unique account code)
Patent 5251249: Method of upgrading a cellular network
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Including cell planning or layout : Co-located systems : Based on priority)
Patent 5251250: Method of storing callers telephone numbers in during-absence automatic telephone answering state
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Message storage or retrieval : Having message notification : At remote station)
Patent 5251251: Telecommunications network-based greeting card method and system
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Message management : Controlled by subscriber or caller : Inductive pickup)
Patent 5251252: Telephone interface call processing system with call selectivity
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : Polling : Having central station equipment : Message storage in centralized location (e.g., central office, PBX, etc.))
Patent 5251253: Alert system for hearing impaired persons
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : Remote control : Communication device : Entertainmemt appliance (e.g., TV, VCR, radio, etc.) : Line powered)
Patent 5251254: Control of incoming and outgoing calls in a key system
(TELEPHONIC COMMUNICATIONS : MULTI-LINE OR KEY SUBSTATION SYSTEM WITH SELECTIVE SWITCHING AND CENTRAL SWITCHING OFFICE CONNECTION : Switching or supervision feature (e.g., common control, digital) : Electronic)
Patent 5251255: Processing interactions among telecommunications call features
(TELEPHONIC COMMUNICATIONS : CENTRALIZED SWITCHING SYSTEM : Interexchange signalling)
Patent 5251256: Independent hysteresis apparatus for tone detection
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Signal receiver (e.g., tone decoder) : Relayless)
Patent 5251257: 2-wire/3-wire converting apparatus
(TELEPHONIC COMMUNICATIONS : SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE : Circuitry to provide a coder and decoder function : Suppression (e.g., antisidetone))
Patent 5251258: Key distribution system for distributing a cipher key between two subsystems by one-way communication
(CRYPTOGRAPHY : KEY MANAGEMENT : Key distribution : Key distribution center : By public key method :)
Patent 5251259: Personal identification system
(ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT : SYSTEM ACCESS CONTROL BASED ON USER IDENTIFICATION BY CRYPTOGRAPHY : PIN/password generator device : Message digest travels with message)
Patent 5251260: Audio surround system with stereo enhancement and directivity servos
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : BINAURAL AND STEREOPHONIC : Pseudo stereophonic : Pseudo quadrasonic : Having transmitter)
Patent 5251261: Device for the digital recording and reproduction of speech signals
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : For storage or transmission : Time : Specialized information)
Patent 5251262: Adaptive active noise cancellation apparatus
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ACOUSTICAL NOISE OR SOUND CANCELLATION : Counterwave generation control path : Inductive pickup)
Patent 5251263: Adaptive noise cancellation and speech enhancement system and apparatus therefor
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ACOUSTICAL NOISE OR SOUND CANCELLATION : Adjacent ear : Inductive pickup)
Patent 5251264: Mechanical-vibration-cancelling piezo ceramic microphone
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Microphone capsule only : Piezoelectric or ferroelectric : On shock absorbing support)
Patent 5251265: Automatic signature verification
(IMAGE ANALYSIS : APPLICATIONS : Personnel identification (e.g., biometrics) : Using a signature : Sensing geometrical properties :)
Patent 5251266: System for placement and mounting of fine pitch integrated circuit devices using a split mirror assembly
(IMAGE ANALYSIS : APPLICATIONS : Manufacturing or product inspection : Inspection of semiconductor device or printed circuit board : Alignment, registration, or position determination : Faulty soldering)
Patent 5251267: Image recording apparatus for processing image data based on characteristics of image data
(IMAGE ANALYSIS : IMAGE SEGMENTATION : Distinguishing text from other regions : Alphanumerics)
Patent 5251268: Integrated method and apparatus for character and symbol recognition
(IMAGE ANALYSIS : LEARNING SYSTEMS : Neural networks : Tool, workpiece, or mechanical component inspection)
Patent 5251269: Multi-layer neural network modelled after the striate cortex for recognizing visual patterns
(IMAGE ANALYSIS : LEARNING SYSTEMS : Neural networks : Network structures : Alignment, registration, or position determination)
Patent 5251270: Matrix calculating circuit
(IMAGE ANALYSIS : IMAGE ENHANCEMENT OR RESTORATION : Artifact removal or suppression (e.g., distortion correction) : Based on peak levels)
Patent 5251271: Method for automatic registration of digitized multi-plane images
(IMAGE ANALYSIS : COLOR IMAGE PROCESSING : Trainable classifiers or pattern recognizers (e.g., adaline, perceptron))
Patent 5251272: Image signal processing method and apparatus with correction for a secondary light source effect
(IMAGE ANALYSIS : IMAGE ENHANCEMENT OR RESTORATION : Intensity, brightness, contrast, or shading correction : Based on peak levels)
Patent 5251273: Data processing system and method for sequentially repairing character recognition errors for scanned images of document forms
(IMAGE ANALYSIS : EDITING, ERROR CHECKING, OR CORRECTION (E.G., POSTRECOGNITION PROCESSING) : Including operator interaction : Morphological operations (i.e., local neighborhood operations))
Patent 5251274: Optical fibre cable for detecting a change in temperature
(OPTICAL WAVEGUIDES : OPTICAL WAVEGUIDE SENSOR : Including physical deformation or movement of waveguide : Diffraction grating (e.g., Bragg))
Patent 5251275: Tunable fiber Fabry-Perot etalon optical filter
(OPTICAL WAVEGUIDES : INTEGRATED OPTICAL CIRCUIT : Including physical deformation or movement of waveguide)
Patent 5251276: Environmentally robust fiber optic coupler and method
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling structure : Tapered coupler : Directional coupler)
Patent 5251277: Optical fiber coupler exhibiting reduced polarization sensitivity and method of making same
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling structure : Tapered coupler : Directional coupler)
Patent 5251278: Fiber optic monitoring device
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling structure : Access couplers, power tappers, or power dividers : Directional coupler)
Patent 5251279: Optical connector with molded-on resin boot covering distal ends of tension member and sheath of optical fiber
(OPTICAL WAVEGUIDES : WITH DISENGAGABLE MECHANICAL CONNECTOR : Optical fiber/optical fiber cable termination structure : Structure rearward of optical fiber end face to secure additional fiber or cable layers : Fiber end held in ferrule)
Patent 5251280: Liquid crystal display apparatus
(OPTICAL WAVEGUIDES : OPTICAL FIBER BUNDLE : Ribbon cable)
Patent 5251281: Arm supported portable electric heat blower
(ELECTRIC RESISTANCE HEATING DEVICES : : Concentrated heated air stream (i.e., blast) : Portable : With handle : In plural sections)
Patent 5251282: Electric water heater with improved insulation structure and control panel housing arrangement
(ELECTRIC RESISTANCE HEATING DEVICES : : Tank or container type liquid heater : Line connected tank : With internally positioned heating element)
Patent 5251283: Speech recognition system with an automatic adaptive learning device
(DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION : SPEECH SIGNAL PROCESSING : Dictionary building, modification, or prioritization)
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