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Patent # Description
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...
US-5,323,409 Wavelength stabilization
An optical source emits a source optical signal having a source optical signal power and a wavelength. A splitter or other similar device splits the source...
US-5,322,612 Carbon dioxide gas detection element
A carbon dioxide gas detection element includes a solid electrolyte of a sodium ion conductor made of a ceramic/glass composite material.
US-5,321,983 Method of correcting temperature characteristics of flow velocity sensor
In a method of correcting temperature characteristics of a flow velocity sensor, the flow velocity sensor having a heater and a pair of temperature-measuring...
US-5,321,945 Apparatus for controlling fuel transfers in a distributed fuel tank system
The present invention relates to a distributed fuel system, wherein a plurality of fuel tanks used for storing fuel are distributed in different locations. The...
US-D348,042 Absolute pressure transducer
US-5,321,772 Digital image processor
A digital image processor is described in which the output from a linear array of electro-optic sensors, first having been signal conditioned and digitized, is...
US-5,321,406 Method of track merging in an aircraft tracking system
A method of processing a plurality of tracks representative of one or more target aircraft in a vicinity of a surveillance aircraft, where each track is...
US-5,320,123 Valve with dynamic function checking capability
A valve is provided with a means for determining the operability of the valve without causing it to change fluid conduction state. A spool member is axially...
US-5,319,969 Method for determining 3-axis spacecraft attitude
A three axis attitude orientation system for a spacecraft in orbit which employs a single UV sensor. The single sensor provides roll and pitch information by...
US-5,319,968 Apparatus for determining 3-axis space craft attitude
A three axis attitude orientation system for a spacecraft in orbit which employs a single UV sensor. The single sensor provides roll and pitch information by...
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