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Patent # Description
US-5,351,005 Resetting closed-loop magnetoresistive magnetic sensor
A switched-magnetization closed-loop magnetometer having a magnetoresistive bridge for sensing external magnetic fields. The output signal from the bridge to an...
US-5,349,492 Capacitive pressure sensor
A capacitive pressure sensor includes first and second substrates, a groove, and first and second electrodes. The first substrate consists of an electrical...
US-5,349,441 Fiber optic gyroscope refractive index induced error compensation
An error compensator for a resonator fiber optic gyroscope extracting characteristics from the output signal of a photodetector, receiving electromagnetic waves...
US-5,349,302 Sense amplifier input stage for single array memory
Sense amplifier input stage for reading the output of a single array memory having an "unknown" output, a reference "one" output and a reference "zero" output. A...
US-5,348,563 Air purifying apparatus
A ceiling mounted air purifier that provides a high velocity, multi-directional air exhaust pattern that distributes filtered air to all areas of a room which...
US-5,347,361 Rotation sensor output signal processor
Angular motion sensor signals from an inertial integrating rate sensor are provided to a translation device that provides a translated output signal that is...
US-5,347,289 Method and device for measuring the position and orientation of objects in the presence of interfering metals
A method of measuring the position and orientation of an object is disclosed in conjunction with an apparatus to achieve this method. The method and apparatus...
US-5,347,236 Modulator for negative pulse activated oscillators
A modulator for providing modulating voltages across the anode and cathode of a negatively pulsed magnetron includes a switch which, when activated, couples the...
US-5,347,204 Position dependent rate dampening in any active hand controller
A control system for an active hand controller, for example, uses a control stick connected to and controlled by a motor. Electronics are provided to control the...
US-5,346,129 Indoor climate controller system adjusting both dry-bulb temperature and wet-bulb or dew point temperature in...
A controller for a climate control system has a humidity (wet-bulb or dew point) temperature sensor as well as a dry-bulb temperature sensor within the...
US-5,346,128 Humidity control system
A humidity control system for a space receiving conditioned air from a duct has sensors which measure the current humidity in both the space and the duct. The...
US-5,345,963 Modulating pressure regulator with shape memory alloy actuator
An electrically controlled modulating pressure regulator in which a main valve regulates fluid flow between an inlet and an outlet in response to a control...
US-5,344,524 SOI substrate fabrication
A back-etch silicon-on-insulator SOI process that has a silicon handle wafer with an oxide layer bonded at room temperature to a silicon device wafer with an...
US-5,343,474 Slotted arbitration without time jitter in a table driven protocol
A media access protocol provides a fixed frame length and limited arbitration among certain predetermined users by providing limited arbitration during certain...
US-5,341,209 Triangular dither drive apparatus for a ring laser gyroscope
Control apparatus for an RLG dither motor includes a digital phase shifter for providing a clock signal related to the RLG position signal. A rate pulse...
US-5,341,097 Asymmetrical magnetic position detector
A gear tooth sensor is provided which incorporates a magnet and two magnetically sensitive devices, such as Hall effect elements. The two magnetically sensitive...
US-5,340,019 Electronic aquastat in immersible capsule
A liquid immersible electronic aquastat in which a temperature responsive element and substantially all associated electronic circuitry are arranged on a circuit...
US-5,339,237 Method for interlock tracing for discrete devices in a process control system
When an interlock trip condition occurs, a back tracing of interlock logic occurs by examining input signals to an output gate of the interlock logic to...
US-5,339,092 Beam former for matrix display
A graphics system having a beamformer operating on image data and sub-pixel or fractional address data coming from a modified image memory and graphics processor...
US-5,339,055 Serrodyne phase modulator having ramp generated by combining two oscillator signals
A frequency phase modulator which generates a phase modulator controlled slope voltage waveform. The controlled slope voltage waveform is controlled by coupling...
US-5,337,982 Apparatus and method for controlling the vertical profile of an aircraft
In an aircraft, there is included a Flight Management System (FMS), Autopilot and Autothrottle for controlling the aircraft. The apparatus has a plurality of...
US-5,337,787 Circumferential sealing apparatus
A cylindrical seal arrangement is provided by alternatively disposing a plurality of O-ring seals and cages in a generally cylindrical arrangement. The O-ring...
US-5,337,141 Method and apparatus for distortion free measurements
The present invention provides a method and apparatus for removing systematic distortion from measurements of an observable parameter. The method and apparatus...
US-5,336,923 Varactor diode having a stepped capacitance-voltage profile
A varactor diode having a stepped capacitance-voltage profile, formed in heterostructural integrated circuit technology. Several layers in the diode structure...
US-5,336,861 Switch with removable button frame
A switch is provided with a button frame which has two openings and two associated cam surfaces. A pivot pin can be assembled with a support structure and the...
US-5,335,181 Terrain referenced navigation--woods data base model
A terrain referenced navigation system utilizing a woods database model including a method for increasing terrain referenced navigation accuracy by compensating...
US-5,335,063 Laser path length control reset acceleration circuit
A ring laser angular rate sensor apparatus includes ring laser apparatus for generating a pair of counter-propagating laser beams about a closed-loop path where...
US-5,334,811 Switch with laminated cover
A switch housing is made with a laminated cover that comprises an inner plate, an outer plate and a metallic sheet that is disposed therebetween. The metallic...
US-5,333,953 Method and apparatus for calculating thermal sensitivity
The present invention provides a method and apparatus for calculating thermal sensitivity and predicted mean thermal sensitivity felt by a person in an...
US-5,333,298 System for making data available to an outside software package by utilizing a data file which contains source...
A computer system, having external peripherals, includes an operating system and application packages residing therein. Data exchange logic permits an outside...
US-5,333,284 Repeated ALU in pipelined processor design
A six-stage pipeline processor comprised of the sequential stages: instruction fetch; instruction decode; first full ALU; second full ALU; Fill Register; and...
US-5,332,070 Three parameter viscous damper and isolator
A vibration isolation apparatus having a shaft with an axis therethrough. The shaft has a first and second end. A piston having an axial bore is coaxially...
US-5,331,562 Terrain referenced navigation-adaptive filter distribution
A terrain referenced navigation system utilizing a five-state kalman filter with a filter distribution based on a fixed grid approach. The five-state kalman...
US-5,331,505 Multi-coplanar capacitor for electrical connector
A multi-coplanar, multi-layer capacitor array for use as an RFI filter associated with an electrical connector module having a pattern of pin and socket...
US-5,331,402 Dither signal remover for a dithered ring laser angular rate sensor utilizing an adaptive digital filter
Disclosed is an apparatus for removing the dither signal component from a dithered ring laser gyro output. Corresponding numerical representations of the gyro...
US-5,331,177 Turbidity sensor with analog to digital conversion capability
A turbidity sensor is provided with a light source and a plurality of light sensitive components which are disposed proximate a conduit to measure the light...
US-5,331,150 Photoelectric sensor with variable light pulse frequency
A photosensor is provided with a control circuit that is capable of varying the frequency of light pulses which energize a light source of the sensor. When four...
US-5,329,355 Dither stripper to leave base motion
Readout signals of a dithered ring laser inertial integrating rate sensor are processed by a signal combining circuit which forms part of a closed loop scheme...
US-5,329,273 System controller and remote fault annunciator with cooperative storage, sharing, and presentation of fault data
An annunciator for the conduction status of individual switches wired into a series circuit records this status as status history at regular intervals in a...
US-5,328,582 Off-axis magnetron sputter deposition of mirrors
A magnetron sputtering apparatus can be used to achieve high quality coating on substrates if the substrates are positioned adjacent to the sputtering target....
US-5,327,785 Pressure sensor with improved heat dissipation characteristics
A pressure sensor is provided with a means for efficiently removing heat from a circuit portion of a sensor die by providing an elastomeric member between a...
US-5,327,413 Ruggedized homogeneous thin dielectric film focus sensor
A focus detecting device utilizing thin film to detect convergence or divergence of rays from a light source by directing the light rays through a pair of prisms...
US-5,327,213 Configuration control of mode coupling errors
An optical fiber rotation sensor having configurations thereof chosen with respect to the source autocorrelation. Both amplitude related and intensity related...
US-5,326,968 Photoelectric sensor with a circular polarizing lens attached to its housing
A photoelectric sensor is adapted for use in specific applications which require the additional attachment of a circular polarizer. A piece of circular polarizer...
US-5,326,163 Dither apparatus
A dither motor reed apparatus for use in a dither motor which includes a hub member and an outer support housing. The dither motor reed apparatus has a robust...
US-5,326,073 Valve with cylindrical metering device
A valve is provided with a throttle member that is capable of metering the flow between a bore channel of the valve and a port extending between the channel and...
US-5,325,175 Solid-block homodyne interferometer
A solid-block homodyne Doppler interferometer utilizing continuous-wave or pulse-wave light beam technology. A pulse-wave light beam version of the homodyne...
US-5,324,915 Microcontroller controlled input protection
A method and apparatus provide input protection in a system having a controller which monitors a controller terminal for at least one monitor period. The...
US-5,323,999 Microstructure gas valve control
A flow control device includes a housing with separate main flow and flow control (servo) passages between an inlet port and an exit port. A control chamber in...
US-5,323,437 Full and partial cycle counting apparatus and method
Apparatus for determining the number of cycles occurring in a frequency modulated signal during a sample period, including not only the number of full cycles but...
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