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Sensor with automatic gain control
A sensor system is provided with an amplifier that has as an input signal received from a light sensitive component. The output of the amplifier is determined by...
Communication coordinator for messages to be sent from at least one data
source to a plurality of clients
A computer has access to a number of data items available from at least one data source. The computer receives requests for the values of certain of these data...
Virtual graphics processor for embedded real time display systems
The virtual graphics processor is a software process that enables different video display systems to execute the same graphical display application. The process...
Method of airplane performance estimation and prediction
A method of predicting performance characteristics of an aircraft including modeling thrust-minus-drag of an aircraft with at least one mathematical model using...
State machine for integrated ASE sensors
An integrated aircraft survivability equipment state machine. Aircraft survivability sensors provide aircraft survivability states that are routed to a finite...
Apparatus for conversion of scaled binary data
An apparatus converts m-bit digital data having a scale factor of K.sub.1 to n-bit digital data having a scale factor of K.sub.2. The apparatus comprises a...
Apparatus for monitoring and controlling the operation of a machine for
A machine for washing articles is provided with a wash process sensor that is capable of measuring a plurality of physical parameters that relate to the progress...
Synchronous tracking AM receiver
An improved synchronous tracking AM receiver having low power requirements and a small size. The synchronous tracking AM receiver provides signal tracking...
Magnetically insensitive fiber optic rotation sensor
A fiber optic gyroscope having at least one forty-five degree splice connected to a polarization maintaining sensing coil. The splice is an alignment of...
Built-in test for dynamic raster video output
A built-in test for dynamic raster video output is described for testing a plurality of analog video signals created from digital raster data, each of the analog...
Bi-directional programmable I/O cell
A bi-directional programmable I/O cell is disclosed. The bi-directional programmable I/O cell has variable electrical characteristics which are selected via...
FIFO fail-safe bus
The invention is an apparatus which utilizes relatively few conductors to provide fail-safe communication between multiple electrical subsystems and a redundant...
Method and apparatus for measurement of resolution of imaging systems
A photographic facsimile of a line image at a predetermined orientation is illuminated by a collimated monochromatic light source to produce a diffraction...
Differential satellite positioning system ground station with integrity
In the present invention, a plurality of DGPS receivers are employed to determine receiver-satellite-specific differential correction values. In turn,...
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...
Directly connected display of process control system in an open systems
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...
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...
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...
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...
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...
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...
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...
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...
An electropneumatic positioner includes an electropneumatic converter, an pilot relay, an operating unit, and a sensor. The electropneumatic converter includes a...
Turbidity sensor with the capability of regulating the intensity of a
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...
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...
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...
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...
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...
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...
Prismatic refracting optical array for liquid flat panel crystal display
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...
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...
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...
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...
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...
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...
Multi-gigahertz frequency-modulated vertical-cavity surface emitting
A GHz-range frequency-modulated laser based on manufacturable vertical cavity surface emitting lasers (VCSELs) and arrays. The present invention exploits a...
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...
Automatic RF countermeasures dispensing module controller
Automatic countermeasures dispensing module controller for radio frequency countermeasures processes information generated by a missile approach detector and...
Switch housing including extensible external actuator and improved
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...
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...
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...
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...
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...
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...
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...
Thermostat remote subbase housing cover
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....
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...
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...