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Patent # Description
US-5,731,868 Method for characterizing the nature of fluid in machine for washing articles
A method is provided to characterize the nature of a washing fluid by measuring the turbidity and conductivity changes during preselected periods, such as rinse...
US-5,731,658 Ultraviolet binder for phosphor fluorescent light box
A phosphor binding material and process is shown and described for LCD backlight systems. The improved process provides a residual phosphor binding material...
US-D392,728 Heater
US-5,729,128 Magnetic sensor with a magnetically sensitive component that is movable during calibration and rigidly...
A magnetic sensor is provided which utilizes a molded magnet with a channel formed therein. A magnetically sensitive component, such as a Hall effect element, is...
US-5,729,025 Electromechanically actuated turbidity sensor for a machine for washing articles
A machine for washing articles is provided with a turbidity sensor that is activated by an electromechanical timer. When activated, the turbidity sensor...
US-5,729,019 Split field-of-view uncooled infrared sensor
An occupancy sensor having a primary infrared radiation sensor and a secondary infrared radiation sensor in an integrated vacuum package having a window that...
US-5,726,912 Control system monitor
A process control system (PCS) includes a control network and a plurality of nodes coupled thereto, the PCS controlling a process. A monitoring system,...
US-5,726,624 Temperature sensor with internal rigid substrate
A temperature sensor is made with a rigid substrate disposed within a metallic tube for the purpose of supporting a resistive temperature detector and conductive...
US-5,726,579 Differential capacitance detector
A differential capacitance detector comprises an integrator which has a difference between a capacitance (C.sub.S) of a sensor having the capacitance...
US-5,723,918 Bi-directional actuator using a random direction AC motor
An actuator uses an AC motor assembly having a random chance of rotating in either direction upon stalling or first receiving power, to provide torque for...
US-5,722,304 Linear actuator
A linear actuator comprising a hollow first cylindrical shaft with helical threads on its exterior surface and helical threads of opposite pitch on its interior...
US-5,721,487 Diagnostic range/position measuring device
A sensor bridge circuit (20) sensitive to a proximate target (12). The bridge circuit (20) has two inductor (24, 28) and two resistors (32, 34). One inductor...
US-5,720,607 Ignitor
An ignitor includes a first transistor, a transformer, an ignition member, and a switching control member. The first transistor is activated in accordance with...
US-5,719,764 Fault tolerant inertial reference system
A fault tolerant inertial reference system employs two independent inertial reference units each having its own inertial sensor array with redundant output...
US-5,719,748 Semiconductor package with a bridge for chip area connection
A semiconductor package including a base having a chip receiving portion and a surrounding portion; a bridge having conductive strips extending over the chip and...
US-5,719,675 Laser gyro life prediction
A laser gyro lifetime prediction method incorporates a memory model that stores a worst case performance parameter for a readout intensity, a laser intensity and...
US-5,719,582 Software/hardware digital signal processing (DSP) altimeter
A radar altimeter system uses a microprocessor-based subsystem to process radar signals in software. The subsystem includes a track loop and a verify loop for...
US-5,718,256 Burner controller assembly
A burner controller for safe operation of a furnace has a an electromechanical latch for holding first and second fuel valves open responsive to an enable...
US-5,717,474 Wide-viewing angle multi-domain halftone active matrix liquid crystal display having compensating retardation
A multi-domain halftone gray scale active matrix liquid crystal display utilizing a mono-gap configuration for achieving a very wide viewing angle at a low-cost....
US-D390,482 Thermostat housing
US-5,714,690 Piezoresistive silicon pressure sensor manufacture implementing long diaphragms with large aspect ratios
A form pressure sensor diaphragm and method of making that allows for formation of long rectangular plate structures in semiconducting materials, especially...
US-D390,134 Thermostat housing
US-5,708,275 PH measurement utilizing a light source
The pH of a material containing lignin is determined by directing an ultraviolet light at the material. One of the characteristics of lignin is giving off a...
US-5,703,490 Circuit and method for measuring current in an H-bridge drive network
A circuit measures the driving and circulating current in an H-bridge drive network directly and linearly. Voltage across two current sensing resistors are input...
US-5,701,058 Method of semiautomatic ambient light sensor calibration in an automatic control system
A method of calibrating a dimmable lighting system having an electric lighting fixture and light sensor in an electronic controller. The method comprises a...
US-5,696,662 Electrostatically operated micromechanical capacitor
An electrostatically controlled, micromachined micromechanical capacitor having an adjustable, extensive tuning range. A configuration consists of a set of...
US-5,696,057 Producing high TC superconductor bulk composites
Uniformity of the interstitial distribution of the second phase within composite superconducting high T.sub.c ceramic compositions is achieved by infiltrating...
US-5,694,040 Magnetic sensor circuit with two magnetically sensitive devices
A magnetic sensor circuit provides current sources that create a feedback loop for an amplifier of one magnetically sensitive component in order to maintain the...
US-5,694,039 Angular position sensor having multiple magnetic circuits
A rotational position sensor, or angular position sensor, that having two pole pieces. Each of the pole pieces has a first end portion and a second end portion....
US-5,694,014 Active hand controller redundancy and architecture
A hand controller system which provides the proper feel of the hand controller during aircraft operation. In both non-redundant and redundant embodiments,...
US-5,693,882 Force sensing device having breakout tabs
A force sensing component for use with a force sensing unit includes a planar flexure member having a moveable portion separated from a fixed portion by a strain...
US-5,691,984 Compact, adaptable brouting switch
The compact brouting switch allows communication between external systems with differing or same protocols. The compact brouting switch includes switch ports...
US-5,691,639 Proximity sensor circuit with frequency changing capability
A proximity sensing circuit is provided with various attributes, including the connection of a proximity sensor coil in a feedback loop of an amplifier, the...
US-5,689,692 Method and apparatus for decoding an encoded NRZ signal
A bit serial decoder is disclosed decoding an encoded non-return to zero (NRZ) signal without the use of external clock. Transitions within the encoded NRZ...
US-5,689,266 Testing apparatus for ATC transponder FAR compliance
Airplanes have transponders which receive and transmit signals to communicate information regarding the flight of the airplane. A transponder testing apparatus...
US-5,685,642 Mounting for a bimetal coil thermometer and having an integral feature assisting calibration
An analog thermometer of the bimetal coil type has a rotatable hub carrying the bimetal coil. The thermometer is calibrated to indicate exact ambient temperature...
US-5,684,590 Fiber optic gyroscope source wavelength control
A pumped rare-earth fiber source wavelength control device, having source wavelength control effected by pump source wavelength and power control. The...
US-5,684,253 Differential pressure sensor with stress reducing pressure balancing means
The present invention relates generally to a pressure sensor and, more specifically, to a pressure equalization structure that balances the forces on the...
US-5,683,594 Method for making diaphragm-based sensors and apparatus constructed therewith
This patent relates to the fabrication of diaphragm-based microstructures used primarily for sensing physical phenomena by detecting a change in deflection,...
US-5,679,137 Optical dirty cell sensor for an electronic air cleaner
An electrostatic air cleaner has at least one hole in one of the plates over which air with charged dirt particles is passed. A light source is mounted adjacent...
US-5,677,554 FET having a dielectrically isolated gate connect
A HIGFET having a gate with a pad which is isolated from the FET heterostructure wafer by a dielectric layer to minimize leakage current between the gate and the...
US-5,675,979 Enthalpy based thermal comfort controller
A controller for a climate control system has a relative humidity sensor as well as a dry-bulb temperature sensor within the enclosure. The humidity value is...
US-5,675,149 Compact thermal camera
A low-cost portable handheld still-frame thermal camera for capture of calibrated digital thermographic infrared images having a lens assembly, a slideable...
US-5,675,086 Electrostatic capacity-type pressure sensor
An electrostatic capacity-type pressure sensor includes a diaphragm support body, first and second lids, a fixed electrode, a coupling member, an electrode...
US-5,673,182 Support frame assembly for a printed circuit card having a tie bar bridging across the frame
The assembly comprises a U-shaped frame to which the card may be secured. The frame is defined by spaced parallel side elements and a connecting end element....
US-5,672,857 Switch actuating mechanism for two sequentially activated switches
A switch actuation mechanism is provided with a support structure that is shaped to hold two switches. Each switch is associated with a pivotable member that is...
US-5,672,856 Tilt switch with increased angular range of conduction and enhanced differential characteristics
A tilt switch is made by attaching two electrically conductive members to a nonconducting tube and disposing a conductive sphere within the switch. The first and...
US-5,671,161 Switch with diagnostic capability
A switch is provided with the ability to diagnose its own operation and provide signals that represent the actuation of the switch and various diagnostic outputs...
US-5,670,875 Angular position sensor with adjustable gain and offset signal capability
An angular position sensor is provided with a rotatable magnet and first and second ferromagnetic pole pieces. The first ends of the ferromagnetic pole pieces...
US-5,667,879 TaN/NiFe/TaN anisotropic magnetic sensor element
A stack of two refractory nitride layers and a magnetoresistive layer are used to facilitate electrical connection between components of a sensor. The stack of...
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