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Patent # Description
US-5,600,329 Differential satellite positioning system ground station with integrity monitoring
In the present invention, a plurality of DGPS receivers are employed to determine receiver-satellite-specific differential correction values. In turn,...
US-5,600,148 Low power infrared scene projector array and method of manufacture
An array for projecting thermal images and a method of making same. The array of the present invention combines a two-tier architecture created with special...
US-5,598,521 Directly connected display of process control system in an open systems windows environment
In a display for a process control system, the display can be generated by one of two different sources, but is controlled by only one of them. A process control...
US-5,598,349 Responding to pricing signals from a power supplier using mixed add/shed and profile setback delta schemes
A method for employing utility-supplied information relies on two schemes for accommodating such pricing information. All subsystems in a building function based...
US-5,598,014 High gain ultraviolet photoconductor based on wide bandgap nitrides
A photoconductor has an active layer of gallium nitride having approximately 10.sup.15 to 5.times.10.sup.15 net donor sites per cubic centimeter and is sensitive...
US-5,597,613 Scale-up process for replicating large area diffractive optical elements
The present invention discloses 1) a process for photopolymer replication on plastics, and 2) the scale-up step-and-repeat process in photopolymers. High...
US-5,596,408 Turbidity sensor with replaceable covers
A turbidity sensor is provided in which a light source, a first photosensitive device and a second photosensitive device are arranged in a manner that permits...
US-5,596,328 Fail-safe/fail-operational differential GPS ground station system
A fail safe differential satellite positioning system ground station employing a plurality of processors to produce signals indicative of satellite-specific...
US-5,596,272 Magnetic sensor with a beveled permanent magnet
A magnetic sensor is provided with a permanent magnet that has a beveled surface at one end of the magnet. The beveled surface intersects a first pole face at a...
US-5,594,563 High resolution subtractive color projection system
A color projector for forming a high resolution image through a plurality of stacked display panels. The projector employs subtractive color technology to...
US-5,590,677 Electropneumatic positioner
An electropneumatic positioner includes an electropneumatic converter, an pilot relay, an operating unit, and a sensor. The electropneumatic converter includes a...
US-5,589,935 Turbidity sensor with the capability of regulating the intensity of a light source
A turbidity sensor is provided with two light sensitive components or elements. One light sensitive component is displaced from a light source, such as a light...
US-5,589,769 Position detection apparatus including a circuit for receiving a plurality of output signal values and fitting...
A member having a magnet attached is moveable along a path which has an array of magnetic field sensors adjacent the path. Each sensor provides a bipolar output...
US-5,589,749 Closed loop control system and method using back EMF estimator
A feedback control system which uses estimated back electromotive force(EMF) from a controlled actuator to provide feedback into the control system and improve...
US-5,588,202 Method for manufacturing an overmolded sensor
A method is described for manufacturing a plurality of proximity sensors which are attached to a printed circuit board during the manufacturing steps and...
US-5,585,746 Current sensing circuit
A current sensing circuit is described in which a pair of bipolar transistors are arranged with a pair of field effect transistors such that the field effect...
US-5,581,027 Dual integral ballast flow sensor
A flow sensor package having dual porous integral restrictors and a substantial bend between an inlet and a passage for housing the flow sensor and connecting...
US-5,579,134 Prismatic refracting optical array for liquid flat panel crystal display backlight
A prismatic refracting array for a flat panel liquid crystal display (LCD) backlighting device matches a prismatic angle with the critical angle of the exit...
US-5,579,110 In-line multiple rotation sensor assembly
An elongated inertial measurement unit having a plurality of gyros, none of which is aligned with the cardinal longitudinal axis of the elongated housing. At...
US-5,578,760 Seal diaphragm structure for pressure measuring device
A seal diaphragm structure for a pressure measuring device includes a seal diaphragm, an insulating film, and an p-type semiconductor film. The seal diaphragm...
US-5,576,887 Head gear display system using off-axis image sources
A head gear display system incorporates a simple off-axis optical projection system employing a pair of lenses and an optical combiner for collimating a visual...
US-5,575,878 Method for making surface relief profilers
A method of multiple replication of a diffractive optical glass surface relief profiles into other glass-type substrates. For example, a malleable but hardenable...
US-5,575,404 Apparatus for handling components
A sorting and feeding apparatus causes components to be deposited into the central portion of a rotatable tube. As the tube rotates, the components are caused to...
US-5,574,738 Multi-gigahertz frequency-modulated vertical-cavity surface emitting laser
A GHz-range frequency-modulated laser based on manufacturable vertical cavity surface emitting lasers (VCSELs) and arrays. The present invention exploits a...
US-5,574,647 Apparatus and method for computing wind-sensitive optimum altitude steps in a flight management system
An apparatus and method for determining the best legal flight altitudes, and the best points at which to change to a new legal flight altitude, such that the...
US-5,574,458 Automatic RF countermeasures dispensing module controller
Automatic countermeasures dispensing module controller for radio frequency countermeasures processes information generated by a missile approach detector and...
US-5,574,265 Switch housing including extensible external actuator and improved terminal structure
A low-cost, easy-to-manufacture and easy-to-use switch enclosure is described. The switch enclosure is comprised of a housing having an interior cavity, an...
US-5,572,620 Fault-tolerant voter system for output data from a plurality of non-synchronized redundant processors
Disclosed is a data message voter system for data messages from a plurality of loosely synchronized redundant processors. The data message voter system comprises...
US-5,572,420 Method of optimal controller design for multivariable predictive control utilizing range control
A process control system which includes at least one manipulated variable and at least one controlled variable, provides a method for robust control of a...
US-5,572,058 Hall effect device formed in an epitaxial layer of silicon for sensing magnetic fields parallel to the...
A vertical Hall element is formed within the epitaxial layer of a semiconductor and isolated from other components by a P type isolation diffusion. A position...
US-5,569,890 Sequence switch with forced disconnect mechanism
A forced disconnect sequence switch is provided with a plunger that has two surfaces at its bottom portion. The two surfaces are disposed in planes which are...
US-5,569,617 Method of making integrated spacer for magnetoresistive RAM
In a magnetoresistive random access memory device, a spacer material is deposited at the edges of a memory bit to maintain magnetization at the edges in a...
US-5,567,650 Method of forming tapered plug-filled via in electrical interconnection
A process for contouring a via formed in a dielectrics whereby a layer of a refractory metal is formed on the dielectric and in the via. The refractory metal...
US-D374,830 Thermostat remote subbase housing cover
US-5,564,810 Full color stereoscopic display with color multiplexing
A full color stereoscopic display having polarizers for color multiplexing and effecting three-dimensional full color viewing from a single direct view display....
US-5,563,727 High aperture AMLCD with nonparallel alignment of addressing lines to the pixel edges or with distributed...
An approach for constructing active matrix liquid crystal light valves having very high aperture ratio is described. This is achieved by a burying the pixel...
US-5,563,705 Optical power balancing in interferometric fiber optic gyroscopes
An interferometric fiber optic gyroscope having a wavelength-sensitive splitter which has a splitting ratio that changes according to light wavelength. A...
US-5,562,349 Bearing assembly having thermal compensation
A bearing assembly with thermal compensation including a rotor rotatably mounted to a stator by way of a bearing mechanism. The stator and rotor are manufactured...
US-5,561,993 Self balancing rotatable apparatus
A system for balancing a rotatable member is provided by measuring forces and motion via accelerations at various locations of the system. The forces and moments...
US-5,561,599 Method of incorporating independent feedforward control in a multivariable predictive controller
A process control system having a feedback controller, at least one manipulated variable and one controlled variable with a feedforward loop is provided....
US-5,559,908 Method for damping optical fiber on a bias optical phase modulator
A method for damping an optical fiber on a bias optical phase modulator having two optical fiber leads comprises the steps of securing the bias phase modulator,...
US-5,559,415 Integrator management for redundant active hand controllers
A redundant active hand controller system has first and second motors connected to a common shaft. A compensator which differentiates a motor command signal from...
US-5,559,358 Opto-electro-mechanical device or filter, process for making, and sensors made therefrom
The present invention relates to microstructures fabricated from semiconductor material and having a flexible member which is excited into various modes of...
US-5,557,623 Accurate digital fault tolerant clock
This invention relates to fault-tolerant real-time clock capable of withstanding n-faults, including Byzantine faults. In particular, the instant invention...
US-5,557,284 Spoofing detection system for a satellite positioning system
A pair of antennae in combination with a GPS signal receiver system is employed for detecting the reception of satellite information signals from a spoofing...
US-5,557,273 Magnetic azimuth detector to digital (MAD) converter
An electrical system for converting a magnetic azimuth detector (MAD) signal into a corresponding digital signal. A conversion circuit receives a three-wire...
US-5,555,927 Thermostat system having an optimized temperature recovery ramp rate
An adaptive recovery method for a setback thermostat using the intersection of the space temperature with a sloped recovery temperature line which approximates...
US-5,554,843 Optical element driving mechanism
An optical element driving mechanism is disclosed wherein an electromagnetic motor positions an optical element such that a laser beam passing through the...
US-5,553,829 Solenoid valve with sound dampening feature
A noise dampening feature is provided to a valve by incorporating an annular resilient member in association with the plunger of a solenoid valve. The annular...
US-5,552,956 Electrical equipment housing with a movable door covering a keypad and having a pushbutton for operating a key...
A housing for electrical equipment such as an electronic thermostat has a panel in which is a keypad having a number of keys for manual entry of data, and a...
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