Patents 5229651 - 5229904
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Patent 5229651: Method and apparatus for line power monitoring for uninterruptible power supplies
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Substitute or emergency source : Storage battery or accumulator : Serially connected sources)
Patent 5229652: Non-contact data and power connector for computer based modules
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : ELECTROMAGNET OR HIGHLY INDUCTIVE SYSTEMS : Condition responsive switch)
Patent 5229653: Electronic switch apparatus
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Condition responsive : Selectively actuated)
Patent 5229654: Power source control circuit and an electronic device with such power source control circuit
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Condition responsive : Electrical : Speed, centrifugal or kinetic force)
Patent 5229655: Dual control active superconductive devices
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Superconductive (e.g., cryogenic, etc.) device : Gaseous tube)
Patent 5229656: Optical comparator circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : Input signal compared to single fixed reference : With logic or bistable circuit)
Patent 5229657: Method and apparatus for controlling simultaneous switching output noise in boundary scan paths
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Output switching noise reduction : With field effect-transistor)
Patent 5229658: Switching circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Logic level shifting (i.e., interface between devices of different logic families) : Bi-CMOS : ECL to/from CMOS :)
Patent 5229659: Low power complementary MOSFET digital signal buffer circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Current driving (e.g., fan in/out, off chip driving, etc.) : Field-effect transistor : Integrated Injection Logic (I2L))
Patent 5229660: Integrated circuit with means to prevent its logic output circuit breakdown
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : SIGNAL SENSITIVITY OR TRANSMISSION INTEGRITY : Signal level or switching threshold stabilization : With field effect-transistor)
Patent 5229661: High speed bipolar digital logic gate architecture
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : ACCELERATING SWITCHING : Bipolar transistor : With field effect-transistor)
Patent 5229662: Logic circuit capable of operating with any one of a plurality of alternative voltage supply levels
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : INTERFACE (E.G., CURRENT DRIVE, LEVEL SHIFT, ETC.) : Supply voltage level shifting (i.e., interface between devices of a same logic family with different operating voltage levels) : Bipolar transistor)
Patent 5229663: Emitter-coupled logic circuit device having a current switch and an emitter follower which respectively have common emitter current gains
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : FUNCTION OF AND, OR, NAND, NOR, OR NOT : Bipolar transistor (e.g., RTL, DCTL, etc.) : Emitter-coupled or emitter-follower logic : CMOS)
Patent 5229664: Programmable differentiator delay
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Unwanted signal suppression : Active filter : Adjustable : With field-effect transistor)
Patent 5229665: Optically controlled active impedance element and filters employing the same
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM : Unwanted signal suppression : Active filter : Adjustable : With field-effect transistor)
Patent 5229666: Single-ended complementary MOSFET sense amplifier
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL : By amplitude : With sensing amplifier : With logic or bistable circuit)
Patent 5229667: Delay unit implemented by inverting circuits associated with capacitive load for increasing delay
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Single output with variable or selectable delay : Having specific active circuit element or structure (e.g., complementary transistors, etc.) : Field-effect transistor : Resistor in cross-coupling path)
Patent 5229668: Method and apparatus for high speed digital sampling of a data signal
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Having specific delay in producing output waveform : Multiple outputs with plurality of delay intervals : Including delay line or charge transfer device : Electron tube)
Patent 5229669: Compact linear motor drive unit
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Piezoelectric element shape)
Patent 5229670: Linear motor device having vibration reduction unit
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Piezoelectric element shape)
Patent 5229671: Electromagnetic rotary actuator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Reciprocating : Solenoid and core type)
Patent 5229672: Method of adjusting the balance of the rotor of a vehicle AC generator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Vibration or noise suppression : Step-by-step)
Patent 5229673: Joint construction of cooling pipes for liquid cooled motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Cooling or fluid contact : Circulation : Heat-exchange structure : Hollow passages)
Patent 5229674: Electric motor with connector plug in stator groove
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Electric circuit elements : Connectors, terminals or lead-ins : Distributor or timer (e.g., ignition magnetos))
Patent 5229675: Output-terminal device for an a.c. generator for a vehicle
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Electric circuit elements : Connectors, terminals or lead-ins : Distributor or timer (e.g., ignition magnetos))
Patent 5229676: Electric machine with self-contained spare bearing
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Plural rotary elements : Motor-generator sets)
Patent 5229677: Electric propulsion motor for marine vehicles
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Rotor structure : Armatures : Disc : With composition feature)
Patent 5229678: Drive control unit for an ultrasonic step motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Combined with resonant structure : Direct mechanical coupling : Motor producing continual motion : Traveling wave motor : Armature : Oval track)
Patent 5229679: Microdrive apparatus
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : On back of piezoelectric element)
Patent 5229680: Piezoelectric transformer using single crystal of LiNbO.sub.3
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : With mechanical energy coupling means : Voltage, spark or current generator : Underwater type)
Patent 5229681: Discharge lamp with offset or tilted arc tube
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH TEMPERATURE MODIFIER : Double wall, jacket or casing for envelope : Sealed casing for envelope : Flow directing means in casing)
Patent 5229682: Field electron emission device
(ELECTRIC LAMP AND DISCHARGE DEVICES : DISCHARGE DEVICES HAVING A MULTIPOINTED OR SERRATED EDGE ELECTRODE : Discharge control electrode)
Patent 5229683: Electric lamp with cementless base
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH ENVELOPE : Having base and connector : Associated with pinch (or press) seal of envelope : Having screw thread coupling contact)
Patent 5229684: Video display device with planar front surface
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Shadow mask, support or shield : Monoscope)
Patent 5229685: Plasma display panel
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Three or more)
Patent 5229686: Mercury vapor discharge lamp containing means for reducing mercury leaching
(ELECTRIC LAMP AND DISCHARGE DEVICES : HAVING VAPOR GENERATING MATERIAL : Mercury vapor material : Diverse)
Patent 5229687: Mercury vapor discharge lamp containing means for reducing mercury leaching
(ELECTRIC LAMP AND DISCHARGE DEVICES : HAVING VAPOR GENERATING MATERIAL : Mercury vapor material : Diverse)
Patent 5229688: Method of operating a gas discharge switch and an arrangement for carrying out the method
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH GAS OR VAPOR : Three or more electrode discharge device : With shield to prevent discharge between electrodes : Having intersecting electrode sets)
Patent 5229689: Electrostatic shield for nearfield alternating electrical field emission reduction in a CRT display
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : WITH ELECTROMAGNETIC WAVE RADIATION PREVENTING OR SHIELDING MEANS : With plural cathode or anode tube)
Patent 5229690: Apparatus for operating discharge lamps utilizing a capacitor and charging circuit
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : PERIODIC SWITCH IN THE SUPPLY CIRCUIT : Plural periodic switches or multiple contact periodic switch : Condenser or inductance in the primary circuit)
Patent 5229691: Electronic fluorescent display
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : For flat cathode-ray tube : Intermediate stage at lower potential)
Patent 5229692: Vertical deflection arrangement with S-correction
(ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS : CATHODE RAY TUBE CIRCUITS : Cathode-ray deflections circuits : With ray deflection distortion correction or reduction : By modulation of deflection waveform : Adjacent to or integral with deflection winding or housing structure therefor)
Patent 5229693: Driving control apparatus for brushless motor with optimum controlled converter
(ELECTRICITY: MOTIVE POWER SYSTEMS : SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS : Field circuit control)
Patent 5229694: Method and device for controlling headrest, and drive mechanism the headrest
(ELECTRICITY: MOTIVE POWER SYSTEMS : PLURAL DIVERSE MOTOR CONTROLS : Motor-reversing : With automatic starting and/or stopping : Stopping upon predetermined movement of or position of motor or driven device : And acceleration control)
Patent 5229695: Controller for automatically stopping motor in response to overcurrent condition
(ELECTRICITY: MOTIVE POWER SYSTEMS : LIMITATION OF MOTOR LOAD, CURRENT, TORQUE OR FORCE (E.G., PREVENTING OVERLOAD) : Control of motor load or device driven)
Patent 5229696: Servomechanism
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Adaptive or optimizing systems including "bang-bang" servos : Mechanical gearing)
Patent 5229697: Sampling bipolar peak detector for sensing a non-symmetrical decay of an AC voltage signal
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With protective or reliability increasing features (e.g., "fail-safe" systems) : Mechanical gearing)
Patent 5229698: Method and apparatus for sub-span interpolation
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : Program- or pattern-controlled systems : With program recording or composing means : Multifunction manipulator (i.e., Robot) : With particular interpolation means : Manual lead through)
Patent 5229699: Method and an apparatus for PID controller tuning
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : "Reset" systems (P.I.) : With rate (P. I. D.) (e.g., reset windup prevention) : Synchro or resolver (e.g., transmitter simulators))
Patent 5229700: Calibration of signal feedback through VCO's
(ELECTRICITY: MOTIVE POWER SYSTEMS : POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) : With stabilizing features (e.g., anti-hunting, damping) : By auxiliary feedback loop : Rate feedback : Tachometer feedback : Including display device)
Patent 5229701: Battery charger for battery-operated equipment
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : For handheld device : With charger stand or base :)
Patent 5229702: Power system battery temperature control
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL DISCHARGING : With generator charging source)
Patent 5229703: Battery recharge interconnection system with safety cut-out
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : CELL OR BATTERY CHARGER STRUCTURE : Vehicle battery charging)
Patent 5229704: Current supply arrangement
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL DISCHARGING : With charging : With battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.) : Time control)
Patent 5229705: Method and apparatus for charging a nickel-cadmium battery
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : With peak detection of current or voltage (e.g., delta-V or delta-I utilized, etc.) : Hysteresis type (e.g., antichattering, etc.))
Patent 5229706: Electronic equipment having automatic power-off function
(ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING : BATTERY OR CELL CHARGING : With thermal condition detection : Hysteresis type (e.g., antichattering, etc.))
Patent 5229707: Apparatus and method for eliminating false current limit triggering in a grounded source-emitter power switching circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using choke and switch across source : In bridge)
Patent 5229708: Integrable shunt regulator
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : IN SHUNT WITH SOURCE OR LOAD : Using a three or more terminal semiconductive device : In bridge)
Patent 5229709: Integrated circuit with temperature compensation
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : OUTPUT LEVEL RESPONSIVE : Using a three or more terminal semiconductive device as the final control device : Switched (e.g., switching regulators) : With reference voltage circuitry)
Patent 5229710: CMOS band gap reference circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : To derive a voltage reference (e.g., band gap regulator) : Including a ferrocapacitor across a tertiary winding)
Patent 5229711: Reference voltage generating circuit
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : SELF-REGULATING (E.G., NONRETROACTIVE) : Using a three or more terminal semiconductive device as the final control device : For current stabilization : To derive a voltage reference (e.g., band gap regulator) : Including a ferrocapacitor across a tertiary winding)
Patent 5229712: Circuit and method for producing a flexible reference voltage
(ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS : EXTERNAL OR OPERATOR CONTROLLED : Phase controlled switching using electronic tube or a three or more terminal semiconductive device : With digital control : Including parallel paths (e.g., current mirror))
Patent 5229713: Method for determining electrical energy consumption
(ELECTRICITY: MEASURING AND TESTING : MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE : Plural inputs (e.g., summation, ratio) : Watts : Digital voltmeters)
Patent 5229714: Conductor connecting means in a RPM sensor, and method for producing a RPM sensor
(ELECTRICITY: MEASURING AND TESTING : ELECTRICAL SPEED MEASURING : Including speed-related frequency generator : Including magnetic detector : With extent-of-travel indicator)
Patent 5229715: Variable reluctance sensor for electromagnetically sensing the rate of movement of an object
(ELECTRICITY: MEASURING AND TESTING : MAGNETIC : Displacement : Having particular sensor means : Inductive : Pulsating or alternating current or potential for the discharge control means)
Patent 5229716: Process and device for real-time spectral analysis of complex unsteady signals
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : Having particular optical cell structure)
Patent 5229717: Simultaneous two-contrast fast spin echo NMR imaging
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : To obtain localized resonance within a sample :)
Patent 5229718: Method for increasing resolution in solid-state NMR spectra of abundant nuclei
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : Having particular optical cell structure)
Patent 5229719: Amplifier with short time lag
(AMPLIFIERS : COMBINED WITH AUTOMATIC AMPLIFIER DISABLING SWITCH MEANS : Having signal applied to magnetic means)
Patent 5229720: VCA circuit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including differential amplifier : Having signal feedback means :)
Patent 5229721: Micropower amplifier/transducer driver with signal expansion
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including push-pull amplifier : Having complementary symmetry : And feedback means :)
Patent 5229722: NQR-imaging
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Using a nuclear resonance spectrometer system : Having particular optical cell structure)
Patent 5229723: Magnetic field generating device for MRI
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Polarizing field magnet :)
Patent 5229724: Sample head for nuclear resonance measurements
(ELECTRICITY: MEASURING AND TESTING : PARTICLE PRECESSION RESONANCE : Spectrometer components : Electronic circuit elements : With homogeneity control)
Patent 5229725: Electrical fault detector in remote systems using a saturable core
(ELECTRICITY: MEASURING AND TESTING : FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS : For fault location : By voltage or current measuring : Using a particular sensing electrode)
Patent 5229726: Portable device for use in the measurement of a component content of a material
(ELECTRICITY: MEASURING AND TESTING : IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS : Distributive type parameters : Using particular field coupling type (e.g., fringing field) : Circuit interference (e.g., crosstalk) measurement)
Patent 5229727: Hermetically sealed microstrip to microstrip transition for printed circuit fabrication
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : With impedance matching : Having long line elements : Having plural concentric helices)
Patent 5229728: Integrated waveguide combiner
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : Including hybrid-type network : Having hybrid-T (e.g., magic-T) : Using waveguide : For TEM lines)
Patent 5229729: Radio frequency signal combining/sorting apparatus
(WAVE TRANSMISSION LINES AND NETWORKS : PLURAL CHANNEL SYSTEMS : Having branched circuits : With impedance matching : Including long line element : For providing frequency separation : For TEM lines)
Patent 5229730: Resettable circuit interrupter
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : ELECTROMAGNETICALLY ACTUATED SWITCHES : Automatic circuit-interrupting devices (e.g., circuit-protective devices) : Responsive to predetermined or abnormal current condition (e.g., direction, phase angle or amplitude) : Magnetic or electrodynamic (e.g., blowon or blowoff))
Patent 5229731: Power amplifying circuit capable of switching amplification mode
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including particular biasing arrangement : Having frequency-responsive means or phase-shift means in feedback path)
Patent 5229732: High frequency amplifier having stable amplification operation
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including field effect transistor : Having transformer)
Patent 5229733: Amplifier arrangement for protecting the power transistors in case of a short-circuit
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including protection means : Having frequency-responsive means or phase-shift means in feedback path)
Patent 5229734: Filter with adjustable edge steepness
(AMPLIFIERS : WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) : Including frequency-responsive means in the signal transmission path : And tuning means : Having emitter degeneration)
Patent 5229735: Wide frequency deviation voltage controlled crystal oscillator having plural parallel crystals
(OSCILLATORS : SOLID STATE ACTIVE ELEMENT OSCILLATOR : Transistors : Electromechanical resonator controlled : Multivibrator type)
Patent 5229736: Waveguide polarization coupling
(WAVE TRANSMISSION LINES AND NETWORKS : WAVE MODE CONVERTERS : Polarization converters : Including long line element)
Patent 5229737: Ferrite polarizer
(WAVE TRANSMISSION LINES AND NETWORKS : COUPLING NETWORKS : Nonreciprocal gyromagnetic type (e.g., directional phase shifters) : Nonreciprocal polarization rotators : Using waveguide)
Patent 5229738: Multipolar rotor
(ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS : MAGNETS AND ELECTROMAGNETS : Magnet structure or material : Permanent magnets : Enclosed in flexible plastic, cloth or tape : With outer casing or housing)
Patent 5229739: Automotive high current fuse
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : ELECTROTHERMALLY ACTUATED SWITCHES : Fusible element actuated : Fusible link or element structure or material : Selectively or sequentially inserted in same protected circuit)
Patent 5229740: Thermally responsive switch
(ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES : THERMALLY ACTUATED SWITCHES : With bimetallic element : With manual or other mechanical contact control means : Reciprocating or slidable motion means : Including cam and follower)
Patent 5229741: Automotive resistor unit having mounting clip
(ELECTRICAL RESISTORS : MOUNTED ON WHEELS OR VEHICLE : Force-actuated)
Patent 5229742: Joystick
(ELECTRICAL RESISTORS : MECHANICALLY VARIABLE (E.G., RHEOSTAT) : Movable contact electrically adjustable over length of resistance element : Plural : Contact rotates between circularly arranged elements or taps)
Patent 5229743: High voltage protection resistor
(ELECTRICAL RESISTORS : HELICAL OR WOUND RESISTANCE ELEMENT : Flat spiral winding : Element includes conductive jumpers or spacers)
Patent 5229744: Piezoelectric type pager
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Alert : Vibratory (i.e., tactual) alarm : Including graphics)
Patent 5229745: Oil pressure alarm device for motor vehicle
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Fluid pressure : Of lubricant (e.g., engine oil))
Patent 5229746: Vehicle wind screen light assembly
(COMMUNICATIONS: ELECTRICAL : LAND VEHICLE ALARMS OR INDICATORS : Internal alarm or indicator responsive to a condition of the vehicle : Plural conditions : Of service interval expiration)
Patent 5229747: Tamperproof lock
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Lock : Dosimeter)
Patent 5229748: Monitoring system for monitoring the window panes of an interior, for example a motor vehicle interior
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Intrusion detection : Responsive to intruder energy : Vibration : Fence)
Patent 5229749: Security system for cigarette display case
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Article placement or removal (e.g., anti-theft) : Article on pedestal, in display case, or mounted on wall (e.g., work of art) : Specified connector (e.g., phone jack-type plug))
Patent 5229750: Fail-safe leak detector including independent and repetetive sensing means
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Leakage : Bridge circuit)
Patent 5229751: Apparatus containing time-sensitive fluid with an indication as to the state of the fluid
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Fluent material : Material level : Liquid : Having means locking device to article)
Patent 5229752: Method and apparatus for detecting timing errors in a system oscillator
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Electrical characteristic : Phase or frequency : Electrical socket)
Patent 5229753: Warning device for a washing apparatus which advises whether its contents are clean or soiled
(COMMUNICATIONS: ELECTRICAL : CONDITION RESPONSIVE INDICATING SYSTEM : Specific condition : Machine condition : Strand)
Patent 5229754: Automotive reflection type display apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Plural image superposition : Number of pixels per row or column conversion (i.e., resolution conversion))
Patent 5229755: Indication display unit for vehicles
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) : Operator body-mounted heads-up display (e.g., helmet mounted display) : Number of pixels per row or column conversion (i.e., resolution conversion))
Patent 5229756: Image control apparatus
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Animation)
Patent 5229757: Computer device having detachable keyboard mounted on a rotatable display
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DISPLAY PERIPHERAL INTERFACE INPUT DEVICE : Including keyboard : Trackball)
Patent 5229758: Display device controller and method
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DATA RESPONSIVE CRT DISPLAY CONTROL : Combined with storage means : Character generator)
Patent 5229759: Auto-offset LCD vertical scroll mechanism
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Graphic manipulation (object processing or display attributes) : Translation : Image based (addressing) : Scrolling : Memory addressing :)
Patent 5229760: Arithmetic technique for variable resolution printing in a ROS
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : DATA RESPONSIVE CRT DISPLAY CONTROL : Data responsive intensity control : Impedance Array)
Patent 5229761: Voltage generating circuit for driving liquid crystal display device
(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 timing circuit : Smooth or continuous)
Patent 5229762: Gradation conversion system for converting color display data into gradation display data
(COMPUTER GRAPHICS PROCESSING AND SELECTIVE VISUAL DISPLAY SYSTEMS : COMPUTER GRAPHICS PROCESSING : Attributes (surface detail or characteristic, display attributes) : Color or intensity : Color bit data modification or conversion : Spatial)
Patent 5229763: Remote controller with learning function
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Frequency responsive actuation : Wireless link : Radio link)
Patent 5229764: Continuous biometric authentication matrix
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Intelligence comparison for controlling : Authorization control (e.g., entry into an area) : Manual code input : Biometrics : Programming of coded record)
Patent 5229765: SP noise cancellation technique
(COMMUNICATIONS: ELECTRICAL : WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.) : Diagnostic monitoring or detecting operation of communications equipment or signal :)
Patent 5229766: Marine fuel tank pollution control apparatus
(COMMUNICATIONS: ELECTRICAL : WATERCRAFT ALARM OR INDICATING SYSTEMS : Obstruction beacon)
Patent 5229767: Decoder for convolutionally encoded information
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : With rotary dial)
Patent 5229768: Adaptive data compression system
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : Adaptive coding : Pressure sensitive actuation)
Patent 5229769: Method and circuit for performing running disparity measurements
(CODED DATA GENERATION OR CONVERSION : DIGITAL CODE TO DIGITAL CODE CONVERTERS : To or from minimum d.c. level codes : Binary to or from ternary)
Patent 5229770: Analog/digital converter with advanced conversion termination notice
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Analog input compared with static reference : Acting sequentially : Including priority encoder)
Patent 5229771: Analog to digital converter for converting multiple analog input signals to corresponding digital output signals during one conversion cycle
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Intermediate conversion to time interval : Single comparator and digital storage)
Patent 5229772: Ratiometric ADC with pulse width modulated output for wide temperature range applications
(CODED DATA GENERATION OR CONVERSION : ANALOG TO OR FROM DIGITAL CONVERSION : Analog to digital conversion : Using charge transfer devices (e.g., charge coupled devices, charge transfer by switched capacitances) : Input signal compared with nonlinear ramp)
Patent 5229773: Chiral absorbing structure
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RADIO WAVE ABSORBER :)
Patent 5229774: FM radar system
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : RETURN SIGNAL CONTROLS EXTERNAL DEVICE : Radar mounted on and controls land vehicle : With terrain avoidance or alarm)
Patent 5229775: Digital pulse compression apparatus
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : CLUTTER ELIMINATION : MTI (Moving target indicator) : Combined with beam steering)
Patent 5229776: Method for field monitoring of a phased array microwave landing system far field antenna pattern employing a near field correction technique
(COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) : TESTING OR CALIBRATING OF RADAR SYSTEM : By monitoring : With delay)
Patent 5229777: Microstrap antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Microstrip : Reflector or director)
Patent 5229779: Anti-icer system for radar antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With ice clearer or preventer :)
Patent 5229780: Wide-band antenna on vehicle rear window glass
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With vehicle : Supported by vehicle body :)
Patent 5229781: Fine pointing system for reflector type antennas
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With means for moving directive antenna for scanning, sweeping or orienting : Rotary or rotary oscillatory motion : Motor-driven :)
Patent 5229782: Stacked dual dipole MMDS feed
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Balanced doublet - centerfed (e.g., dipole) : Sheet or wing type : With main and subreflector (Casse-grain type))
Patent 5229783: Field adjustable sectoral antenna
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : Antenna with parasitic reflector : Stub type)
Patent 5229784: Antenna mount
(COMMUNICATIONS: RADIO WAVE ANTENNAS : ANTENNAS : With support for antenna, reflector or director : For supporting rod-like end portion of antenna : Telescoping)
Patent 5229785: Method of manufacture of a thermal inkjet thin film printhead having a plastic orifice plate
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Discharge means : Nozzles : Movement)
Patent 5229786: Ink-jet recording method, recording unit, ink cartridge and recording apparatus employing recording liquid
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Fluid or fluid source handling means : Fluid (e.g., fluid specifics) : Ink : With carrier)
Patent 5229787: Color printer
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Multicolor : Physical characteristics)
Patent 5229788: Thermal line printer with staggered head segments
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Platen or engaging means therefor : Including tensioning means)
Patent 5229789: Apparatus for thermal printing
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : THERMAL MARKING APPARATUS OR PROCESSES : Specific resistance recording element type : Specific conductor means (e.g., electrode, conducting pattern, etc.) : With means for driving or supplying current to the resistive heating elements : Including sensor means)
Patent 5229790: Laser printer with parameter switching in accordance with scanning density
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : ELECTRIC MARKING APPARATUS OR PROCESSES : Electrostatic : Photo scanning : Developer or charger mechanism : Lens)
Patent 5229791: Image copying apparatus with selection between a simultaneously present rolled sheet conveyor and cut sheet conveyor where printing is
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Combined : Reproduction (e.g., facsimile, copier, etc.) :)
Patent 5229792: Image communication apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Combined : Reproduction (e.g., facsimile, copier, etc.) :)
Patent 5229793: Liquid surface control with an applied pressure signal in acoustic ink printing
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Discharge means : Free surface : Movement)
Patent 5229794: Control electrode for passing toner to obtain improved contrast in an image recording apparatus
(INCREMENTAL PRINTING OF SYMBOLIC INFORMATION : INK JET : Ejector mechanism (i.e., print head) : Drop-on-demand : With electric field ejection (applied to fluid) : Movement)
Patent 5229795: Eyeglass frames adapted to hang flat against a wearer's chest
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Temples : Inclined to lens plane : Screwless lens mounting)
Patent 5229796: Attachable eyeglasses
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Bridges : With auxiliary support : Ball or chain type)
Patent 5229797: Multifocal diffractive ophthalmic lenses
(OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING : SPECTACLES AND EYEGLASSES : Ophtahalmic lenses or blanks : Eye contact type : Multifocal : Spring between lens and strap)
Patent 5229798: Stabilized equipment support, primarily for use with hand-held cameras
(OPTICS: MOTION PICTURES : WITH SUPPORT : Strip type)
Patent 5229799: Collapsible slide carousel
(OPTICS: IMAGE PROJECTORS : PICTURE CARRIER : Slides gripped or hooked)
Patent 5229800: Lens barrel with selectable manual and auto focus
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Auto/manual mode selection : Speed control)
Patent 5229801: Portrait camera with horizontal/vertical mode viewfinder
(PHOTOGRAPHY : WITH VIEWFINDER : Selective or adjustable viewfinder field : Variable orientation of finder image : Base guide)
Patent 5229802: Developed photographic film containing method and apparatus, and film cassette or use therein
(PHOTOGRAPHY : FLUID-TREATING APPARATUS : Photographic medium handling)
Patent 5229803: Film cassette and associated camera device
(PHOTOGRAPHY : CAMERA DETAIL : Detachable or removable film holder unit : Film cassette or cartridge : Film or spool locking means : Opposite movement)
Patent 5229804: Film assemblage
(WINDING, TENSIONING, OR GUIDING : UNWINDING AND REWINDING A MACHINE CONVERTIBLE INFORMATION CARRIER (E.G., MAGNETIC TAPE OR PHOTOGRAPHIC FILM) : Cartridge system (i.e., cartridge work station or cartridge) : Single coil cartridge (e.g., film magazine) : With means to facilitate unwinding : Separable or hinged sections)
Patent 5229805: Camera
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having indicator)
Patent 5229806: Multi-point range finding device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Optical detail with photoelement system : With Position Sensitive Device (PSD) : Mirror type)
Patent 5229807: Focus detecting device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Optical detail with photoelement system : Dual reimage lens type : Focus position adjusted according to focal length)
Patent 5229808: Camera viewfinder
(PHOTOGRAPHY : HAVING CAMERA INDICATOR : Comparison type : Having plural pointers or match needle)
Patent 5229809: Camera with self-timer
(PHOTOGRAPHY : HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE : Manually selected preset zoom position or range : Motorized lens displacement)
Patent 5229810: Film information exchange system using dedicated magnetic tracks on film
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Identifying, composing, or selecting : Regulating light intensity or exposure time)
Patent 5229811: Apparatus for exposing peripheral portion of substrate
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Original moves continuously : Original moves continuously)
Patent 5229812: Finisher with a stapler
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Original moves continuously : Original moves continuously)
Patent 5229813: Composite backup roller assembly
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Photoconductive member : Belt : Having backing support : Toner cartridge)
Patent 5229814: System for identifying a substitute paper stock for unavailable paper stock when printing a job
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Unacceptable copy coverage : Electrostatic)
Patent 5229815: Automatic machine quality adjust restart after premature interruption
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Image forming component : Toner)
Patent 5229816: Original image reading device
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of exposure : In response to light from original : By concentration detector)
Patent 5229817: Apparatus for monitoring wear of a toner removal device
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Cleaning : Of exposure system (e.g., lamp, scanning, erase))
Patent 5229818: Image forming apparatus having a high voltage power source for a contact charger
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Of plural processes : Single detector for plural toners)
Patent 5229819: Protective assembly for charging apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Corona : Having case : Toner cartridge)
Patent 5229820: Toner monitor mount for image-forming apparatus
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : Concentration control : Detection of toner in developing unit : Concentration detection :)
Patent 5229821: Process cartridge with toner depletion detection feature and image forming apparatus using the same
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Toner : Color : On or adjacent to platen)
Patent 5229822: Photometric unit for photographic projector-printer assembly
(PHOTOCOPYING : PROJECTION PRINTING AND COPYING CAMERAS : Illumination systems or details : Including photocell or phototube : Vertical optical path)
Patent 5229823: Toner agitator system
(COATING APPARATUS : WITH TREATMENT OF COATING MATERIAL : By agitation : By separation)
Patent 5229824: Developer material supplying device for integral type processing unit assembled in electrophotographic type image recording apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Supplying new toner : Cartridge : Optical detector)
Patent 5229825: Magnetic brush laydown/pickup apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Loading : Auxiliary electrode)
Patent 5229826: Toner cleaning apparatus
(ELECTROPHOTOGRAPHY : CLEANING OF IMAGING SURFACE : Having handling of removed material : Having storage : Lamination)
Patent 5229827: Image recording apparatus with sheet stackers
(ELECTROPHOTOGRAPHY : DOCUMENT HANDLING : Copy : Continuous (e.g., roll, fanfold) : Having cutting : Having cover)
Patent 5229828: Arrangement for establishing or defining the position of a measuring point
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Using at least a pair of viewing axes)
Patent 5229829: Height sensor and air cushion
(OPTICS: MEASURING AND TESTING : RANGE OR REMOTE DISTANCE FINDING : With photodetection : Of differential amplitude at two source or detector distances : With moving optical elements in all viewing axes)
Patent 5229830: Doppler velocimeter
(OPTICS: MEASURING AND TESTING : VELOCITY OR VELOCITY/HEIGHT MEASURING : With light detector (e.g., photocell) : Of light interference (e.g., interferometer) : With displaced images)
Patent 5229831: Ultraminiature tactical grade cryogenic RFOG
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : By fiber or waveguide interferometer (e.g., Sagnac effect) : Resonant loop : Including an alternating reference path)
Patent 5229832: Optical ultrasonic material characterization apparatus and method
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Using fiber or waveguide interferometer : For distance or displacement measurement : By dithering (suspensions, drives, flexures))
Patent 5229833: Optical sensor
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : Having wavefront division (by diffraction))
Patent 5229834: Sensor for detecting and measuring the angle of rotation of a plane of light polarization
(OPTICS: MEASURING AND TESTING : BY POLARIZED LIGHT EXAMINATION : With birefringent element : Having Schlieren effect)
Patent 5229835: Optical monitoring
(OPTICS: MEASURING AND TESTING : SURFACE ROUGHNESS : With screen)
Patent 5229836: Position detecting apparatus for a moving body
(OPTICS: MEASURING AND TESTING : POSITION OR DISPLACEMENT : Position transverse to viewing axis : Having scale or grid : Moire : Moire)
Patent 5229837: Method for distinguishing between recovered containers for the presence or absence of contaminants
(OPTICS: MEASURING AND TESTING : INSPECTION OF FLAWS OR IMPURITIES : Containers or enclosures (e.g., packages, cans, etc.) : Surface condition)
Patent 5229838: Photodetector amplitude linearity
(OPTICS: MEASURING AND TESTING : BY DISPERSED LIGHT SPECTROSCOPY : Utilizing a spectrometer : Having diffraction grating means : Prior to testing)
Patent 5229839: Method and apparatus for measuring the size of a single fine particle and the size distribution of fine particles
(OPTICS: MEASURING AND TESTING : FOR SIZE OF PARTICLES : By particle light scattering : Having adjustable color or bandwidth)
Patent 5229840: Apparatus and method to measure and monitor the coating of objects
(OPTICS: MEASURING AND TESTING : DIMENSION : Volume : Position of detected arrangement relative to projected beam)
Patent 5229841: Color sensor employing optical fiber bundles with varied diameters
(OPTICS: MEASURING AND TESTING : BY SHADE OR COLOR : Trichromatic examination : For comparison with master or desired configuration)
Patent 5229842: Method and apparatus for controlling fluorescent lamp mercury vapor pressure
(OPTICS: MEASURING AND TESTING : BY MONITORING OF WEBS OR THREAD : Of containers)
Patent 5229843: Circuit for increasing the resolution of a laser gyroscope with clock synchronization
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : Rotation rate (e.g., ring laser gyros) : For optical configuration)
Patent 5229844: Device for the analysis of interferometrical sensors of micromovements
(OPTICS: MEASURING AND TESTING : BY LIGHT INTERFERENCE (E.G., INTERFEROMETER) : For dimensional measurement : Having short coherence length source : Contour or profile)
Patent 5229845: Electroconductive thin film of organic charge transfer complexes of bisethylenedithiatetrathiafulvalene
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : ORGANIC SEMICONDUCTOR MATERIAL : Tunneling through region of reduced conductivity)
Patent 5229846: Semiconductor device having noise reducing die pads
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Of specified material other than copper (e.g., Kovar (T.M.)))
Patent 5229847: Television signal processing system including modulated auxiliary carrier
(TELEVISION : FORMAT : Including additional information : Including the use of a subcarrier : Plural (e.g., stereo or SAP))
Patent 5229848: Circuit for processing image signals read out of pick-up apparatus having solid state image sensing devices adopting spatial pixel shift
(TELEVISION : CAMERA, SYSTEM AND DETAIL : With plural image scanning devices : Scanning devices offset in the image plane : With bias illumination)
Patent 5229849: Laser doppler spectrometer for the statistical study of the behavior of microscopic organisms
(TELEVISION : SPECIAL APPLICATIONS : Microscope : Eye)
Patent 5229850: Video monitoring system including a memory for storing and transmitting a video signal immediately following the occurrence of an event
(TELEVISION : SPECIAL APPLICATIONS : Observation of or from a specific location (e.g., surveillance) : Intrusion detection : Using plural cameras : With modification of scanner sweep)
Patent 5229851: Optical fiber cable with large number of ribbon units containing optical fibers and enclosed in tubes
(OPTICAL WAVEGUIDES : OPTICAL TRANSMISSION CABLE : Ribbon cable : With strength member)
Patent 5229852: Real time video converter providing special effects
(TELEVISION : FORMAT CONVERSION : Scan rate variation)
Patent 5229853: System for converting a video signal from a first format to a second format
(TELEVISION : FORMAT CONVERSION : Changing number of lines for standard conversion : Frequency change of subcarrier)
Patent 5229854: Vertical sync separator
(TELEVISION : SYNCHRONIZATION : Sync separation : To produce distinct vertical output : Color)
Patent 5229855: System and method for combining multiple composite video signals
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Special effects : Combining plural sources : Multiple distinct images (e.g., splitscreen) : Including hue detection (e.g., chroma key))
Patent 5229856: Method for the control of stroboscopic light used in electronic still cameras
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : Charge-coupled architecture : With timing pulse generator : With diode in series with photocell)
Patent 5229857: Solid state imaging apparatus with large electric charge amount in vertical transfer
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Solid-state image sensor : X - Y architecture : With interlacing : With overflow gate or drain)
Patent 5229858: Noise free, line form image sensor
(TELEVISION : FORMAT : Including additional information : During sync, blanking, or overscan : Sound signal : Sound signal)
Patent 5229859: Image pickup apparatus for full line reading
(TELEVISION : CAMERA, SYSTEM AND DETAIL : Combined image signal generator and general image signal processing : Including noise or undesired signal reduction : Color TV : For single sensor type camera supplying plural color signals)
Patent 5229860: Afterimage elimination circuit for liquid crystal
(TELEVISION : IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION : Transition or edge sharpeners : For color television)
Patent 5229861: Electronic gravure engraving apparatus including photo tone and character/solid tone processing
(FACSIMILE AND STATIC PRESENTATION PROCESSING : STATIC PRESENTATION PROCESSING (E.G., PROCESSING DATA FOR PRINTER, ETC.) : Attribute control : Engraving or perforating material to form a printing surface (e.g., printing plate, cylinder, or stencil) : Halftone pattern formed on printing surface : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5229862: Apparatus and method for recording image signals to allow reproduction at more than one data rate
(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 5229863: High speed CCITT decompressor
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Reduced time or bandwidth for static image communication : Condition based selection or control of image coding technique or communication arrangement : Transfer rate of an uncoded or decoded image : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5229864: Device for regenerating a picture signal by decoding
(IMAGE ANALYSIS : IMAGE ENHANCEMENT OR RESTORATION : Image filter : Adaptive filter : Skeletonizing)
Patent 5229865: Facsimile apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Facsimile alarm)
Patent 5229866: Image processing system for reducing wait time before image data transfer to an image output section
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Memory interface : Auxiliary signal controls apparatus at both transmitter and receiver)
Patent 5229867: Method of and apparatus for making a half-tone reproduction of an 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) : Ordered dithering (e.g., deterministic or systematic) : Clustered pattern :)
Patent 5229868: Method and apparatus for converting a line density of a bi-level image signal
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Specific signal processing circuitry : Image processing : Text and image detection and processing : Variable threshold determined by image or other condition (e.g., adaptive thresholding))
Patent 5229869: Portable original reading apparatus
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Hand-held reader : Picture signal thresholding)
Patent 5229870: Light emitting device capable of readily controlling total quantity of light under a balanced light emitting state of light emitting elements
(FACSIMILE AND STATIC PRESENTATION PROCESSING : FACSIMILE : Picture signal generator : Scanning : Facsimile illumination control : Variable thresholding technique)
Patent 5229871: Optical data link for communicating data between a stationary member and a rotating member and an X-ray computer tomography apparatus
(OPTICAL: SYSTEMS AND ELEMENTS : HOLOGRAPHIC SYSTEM OR ELEMENT : Using a hologram as an optical element : Holograph on curved substrate)
Patent 5229872: Exposure device including an electrically aligned electronic mask for micropatterning
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : LIQUID CRYSTAL SYSTEM : Liquid crystal for recording or imaging on photosensitive medium :)
Patent 5229873: Liquid crystal display having apertures in both electrodes
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Electrode or bus detail (i.e., excluding supplemental capacitor and transistor electrodes) : Matrix electrodes : Nonrectangular (odd) shaped pixels : With particular pretilt angle (i.e., with liquid crystal other than chiral smectic))
Patent 5229874: Device for the display of color images
(LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS : PARTICULAR STRUCTURE : Having significant detail of cell structure only : Polarizer : Color : Formed with particular alignment technique)
Patent 5229875: Fault-tolerant fiber optic coupler/repeater for use in high speed data transmission and the like
(OPTICAL COMMUNICATIONS : FAULT RECOVERY : Bypass inoperative element : In a ring or loop : Using a secondary ring or loop :)
Patent 5229876: Telemetry for optical fiber amplifier repeater
(OPTICAL COMMUNICATIONS : TRANSMITTER AND RECEIVER SYSTEM : Including pumping : Clock recovery)
Patent 5229877: Method of controlling size of light beam
(OPTICAL: SYSTEMS AND ELEMENTS : LIGHT CONTROL BY OPAQUE ELEMENT OR MEDIUM MOVABLE IN OR THROUGH LIGHT PATH : With rotating or pivoting element (e.g., scanning discs) : Element rotates about axis perpendicular to light path : Having planar rotating reflector with rotation axis in its plane)
Patent 5229878: Method and apparatus for modulating light using semiconductor element having quantum well structure
(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 : Using reflective or cavity structure : Semiconductor :)
Patent 5229879: Semiconductor laser amplifier
(OPTICAL: SYSTEMS AND ELEMENTS : OPTICAL AMPLIFIER : Particular active medium (e.g., crystal, plasma, fluid, etc.) : Semiconductor : Fault detection)
Patent 5229880: Three field of view refractive afocal telescope
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Including alternative optical path or optical element (e.g., day-night, hi-low magnification) : Regenerative)
Patent 5229881: Low transmission low emissivity glass window and method of manufacture
(OPTICAL: SYSTEMS AND ELEMENTS : HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY : Multilayer filter or multilayer reflector : Having metal layer : Having four or more components)
Patent 5229882: Colored retroreflective sheeting and method of making same
(OPTICAL: SYSTEMS AND ELEMENTS : SIGNAL REFLECTOR : 3-Corner retroreflective (i.e., cube corner, trihedral, or triple reflector type) : Unitary plate or sheet comprising plural reflecting elements : Wind driven)
Patent 5229883: Hybrid binary optics collimation fill optics
(OPTICAL: SYSTEMS AND ELEMENTS : DIFFRACTION : From grating : Including particular grating characteristic : Including a threaded member)
Patent 5229884: Kaleidoscope assembly
(OPTICAL: SYSTEMS AND ELEMENTS : KALEIDOSCOPE : With absorption means)
Patent 5229885: Infinitely variable focal power lens units precisely matched to varying distances by radar and electronics
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : Fluid : Having less than four components)
Patent 5229886: Zoom lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Having seven or less components)
Patent 5229887: Compact zoom lens
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With variable magnification (e.g., zoom type) : With mechanical compensation : Two groups : + - Arrangement : Having crossed axes)
Patent 5229888: Reflection aid
(OPTICAL: SYSTEMS AND ELEMENTS : LENS : With viewed object support : Magnifier)
Patent 5229889: Simple adaptive optical system
(OPTICAL: SYSTEMS AND ELEMENTS : MIRROR : Including specified control or retention of the shape of a mirror surface : Including a plurality of adjustable mirror supports : Roof or roof-angle)
Patent 5229890: Data recording system for use in video tape recorder
(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 5229891: Tracking control system using single frequency pilot signal
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORDING OR REPRODUCING PLURAL INFORMATION SIGNALS ON THE SAME TRACK : Contact transfer)
Patent 5229892: Time base corrector having a velocity error data extracting circuit
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Time (e.g., phase or frequency) correction : Digital technique : By controlling speed of record medium)
Patent 5229893: Circuit apparatus for deriving synchronizing pulses from playbacks of a video tape recording
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Drop-out correction : Color signal in nonpictorial form)
Patent 5229894: Method and apparatus for reading and decoding information using a magnetoresistive sensor
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : GENERAL PROCESSING OF A DIGITAL SIGNAL : In specific code or form : Multi-frequency :)
Patent 5229895: Multi-track servo recording head assembly
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track centering : Elongated web carrier (i.e., tape) : By tracking signal recorded on or immediately beneath surface)
Patent 5229896: Disk drive and method of controlling the same
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : AUTOMATIC CONTROL OF A RECORDER MECHANISM : Controlling the head : Track changing : For rotary carrier (e.g., disc) : Specified velocity pattern during access : Controlled by memory device : Dithering)
Patent 5229897: Tape cassette loading apparatus which can smoothly operate and remove static electricity on a tape cassette
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Plural reels : Container mounting details : With common capstan drive)
Patent 5229898: Cassette loading and ejection control system for magnetic tape cassette apparatus
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Tape record : Tape in container : Plural reels : Container mounting details : With common capstan drive)
Patent 5229899: Apparatus and method for controlling vapor phase within an enclosure
(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 5229900: Magnetooptical disk drive having improved features for reducing the size thereof in the direction normal to the disk cartridge
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : RECORD TRANSPORT WITH HEAD STATIONARY DURING TRANSDUCING : Disk record : Flexible disk : Loading or ejecting mechanism : Mechanical detail)
Patent 5229901: Side-by-side read/write heads with rotary positioner
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD MOUNTING : Disk record : Head urging detail)
Patent 5229902: Circuitry for reversing a magnetic field
(DYNAMIC INFORMATION STORAGE OR RETRIEVAL : STORAGE OR RETRIEVAL BY SIMULTANEOUS APPLICATION OF DIVERSE TYPES OF ELECTROMAGNETIC RADIATION : Magnetic field and light beam : Three or more magnetic states : By transferring magnetic domain between layers)
Patent 5229903: Magnetic head with inclined core
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Gap structure details : Plural gaps : Mounting detail)
Patent 5229904: Magnetic read/write having a reduced thickness closure core
(DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL : HEAD : Gap structure details : Plural gaps : Mounting detail)
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