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Laser gyro microprocessor configuration and control
A laser gyro configuration and control using a microprocessor. The microprocessor has a high speed peripheral transaction system which communicates through a...
Real time passive threat positioning system
A data correlated real time passive threat positioning system uses parallel estimated navigation filters. A threat data correlation process accepts radar warning...
Light source intensity control device
A light source device having a controlled current source that maintains a constant intensity of light from the source during changes in light source temperature,...
Circuit arrangement for evaluating the signal of a capacitive measuring
A capacitive humidity sensor circuit in which a one-shot circuit produces pulses having a pulse duration determined by the capacitance of a capacitive sensing...
Rotating round dial aircraft engine instruments
An apparatus and method for displaying an engine performance parameter are provided wherein the scale for reading the value of the engine performance parameter...
Two-fail-operational fault-tolerant multiple clock system
A multiple-fail-operational fault-tolerant clock having a plurality of interconnected and identical clock modules, that provides a fault tolerant clock signal...
Real time environmental load allocation
The method allocates a demanded amount of power to a plurality of power output apparatus, each power output apparatus having an emissions curve associated...
Readout beamsplitting/combining apparatus for ring laser gyro
A readout apparatus for both partial beams (101,102) of a ring laser gyro (100) is designed strictly symmetrical so that each partial beam until its detection on...
Sample and hold control method and apparatus for improved scale factor
A control method is disclosed which extends random drift improvement control to operation at high input rates. Traditional RDI control fails at high input rates...
Multigap liquid crystal color display with reduced image retention and
A multigap liquid crystal color display having RED, GREEN and BLUE pixels with TFT activating transistors and with the pixels being constructed and arranged so...
Binary optical microlens detector array
An uncooled IR array, in conjunction with an array of binary optical microlenses, having a large effective fill factor.
Microbridge-based combustion control
In a combustion system, fuel flow and fuel composition are sensed, and energy flow in the combustion system is determined based on the fuel flow and the fuel...
Compound diaphragm bellows
A compound diaphragm bellows is provided that substantially increases the stroke of conventional viscous fluid dampers without significantly compromising radial...
Short circuit and overload protection circuit which allows a
predetermined number of reconnection attempts
An overcurrent protection circuit is provided with a counter which permits a preselected number of reinitiations of current following the detection of an...
Method and system for minimizing angular random walk or bias in a ring
laser gyroscope through the use of...
A system and method is provided which minimizes angular random walk or bias occurring in ring laser gyroscopes as a result of temperature changes. Temperature is...
Temperature corrected integrating analog-to-digital converter
Disclosed is an integrating analog-to-digital converter characterized as a function of the temperature. The characterizing information is processed in a manner...
Connected processing systems including mutual power off and signal path
An interface circuit is designed to connect a first logic circuit such as a microcontroller with a second similar microcontroller using three wires and allowing...
Fuzzy data processing method and data smoothing filter
A unique data processing method and a fuzzy smoothing filter are disclosed which employ a three-dimensional elliptic membership function based on the fuzzy logic...
Current probe calibration fixture
A current probe calibration fixture in which a pair of conductors of constant dimensions are constructed to surround the coils of the probe and to be spaced from...
Mechanical resonance, silicon accelerometer
A silicon accelerometer includes several silicon layers. The silicon layers form two silicon beams supported by flexure members. An acceleration responsive...
Laser sensor capable of measuring distance, velocity, and acceleration
A light based distance, velocity and acceleration sensor which uses phase difference to determine the desired measurement. A laser signal is modulated by an...
PID controllers form a large proportion of controllers in use in many controlled systems today. This application describes how to use a neural network which...
Fault tolerant optical cross-channel data link
A cross-channel data link for interconnecting a plurality of computers together in a ring configuration using a single optical fiber between adjacent...
In the present invention, fault containment module signals are assigned to the pins so that a band of guard pins connected to ground exists between the signal...
Look-ahead windshear detector by filtered Rayleigh and/or aerosol
Windshear detector using Rayleigh-backscattered light and a molecular filter for optical discrimination, and frequency locking of a laser, to detect windshear....
Parallel polygon/pixel rendering engine
A parallel polygon/pixel rendering engine for a digital map capable of producing real-time linear shaded, three dimensional, raster graphics for video...
Load sensor driver apparatus
A driver apparatus for driving one or more electrical loads includes an oscillator for providing an input signal. An amplifier amplifies the input signal. A...
Mechanical-electrical safety locking system
The present invention relates to electronic chassis installed on aircraft. More particularly, the present invention relates to a safety locking system for...
Spacecraft component bearing
A spacecraft component bearing unit for resisting axial lead due to launch vibration. This component includes a stator having drive coils, an inertia wheel...
Apparatus and method for stiffening circuit card assemblies
A stiffening device for an electronic assembly which engages each circuit card assembly (CCA) in approximately its center of area. Each CCA which is positioned...
Laser gyro built in test method and apparatus
A laser gyro built in test apparatus. A laser gyro includes a microprocessor which provides a high speed method of communicating test data to an external...
In an electromagnetic flowmeter for obtaining a signal corresponding to flow rate of conductive fluid in a magnetic field, a noise detector detects a noise...
Gerbil wheel memory
A display memory system consisting of a controller and a display memory that has a read display memory cycle time that is a non-integer multiple of the write...
Real time load allocation with additional constraints
The method allocates a demanded amount of power to a plurality of power output apparatus, each power output apparatus having characteristic curves associated...
A method and apparatus for determining an altitude for a radar fuze. The method includes the steps of receiving a return signal and transmitting a transmitted...
Direct torque control moment gyroscope
A control moment gyroscope for providing directional control in a spacecraft. The control moment gyroscope has a rotor which is electrostatically or magnetically...
Method for controlling window displays in an open systems windows
The method guarantees the integrity of a process control systems display in an open system windows environment. The process control system includes an interface...
Apparatus and method for transmitting information between dual redundant
components utilizing four signal paths
An apparatus and method for transmitting information between dual redundant components comprises two information sources each of which is coupled to two...
Case mounted readout for providing a ring laser gyro with low backscatter
Low rate performance is vastly improved by reducing undesired backscatter sources. Backscatter is eliminated by repositioning some of the backscattered sources...
Fiber optic coupler package and packaging method
A fiber optic coupler includes at least two optical fibers having a coupled region and at least one lead portion extending therefrom. The optical fibers have a...
Structured multiple-input multiple-output rate-optimal controller
A way of controlling a plant with multiple inputs and multiple outputs but allowing an operator to direct the control as if each controlled variable had a direct...
Fiber optic gyroscope modulation amplitude control
An amplitude reset controller for a resonator fiber optic gyroscope using a feedback loop and modulation to control amplitudes of a serrodyne waveform provided...
Method and apparatus for time synchronization of bus type local area
networks including hierarchical networks
The time of a second network is synchronized to a first network, each network having an independent timing subsystem, includes the following steps. The first...
Self-powered electro-optic rotational position sensor with magnetic
An indicating system for measuring movement of a material, having a magnetic pickup device, waveform conditioning circuit and light signal emitter functioning...
Resolution advisory display instrument for TCAS guidance
An aircraft indicating system for displaying a resolution advisory signal from a Traffic Advisory and Collision Avoidance System provides an indicating pitch...
Ring laser gyro employing radio frequency for pumping of gain medium
A ring laser gyro comprising a ring laser gyro block having a gain bore filled with a gain medium and apparatus for transmitting RF energy embedded within the...
Decoupled scan path interface
An interface to internal scan paths within an IC for synchronizing a test clock and a system clock without adversely affecting their operation. The test clock...
Backlit display with enhanced viewing properties
A high aspect ratio, backlit liquid crystal display in which light from opposing rows of light emitting diodes is projected into the ends of a thin optical...
Reworkable encapsulated electronic assembly and method of making same
An improved encapsulant and method of application for rework of a modular electronic assembly. A housing is provided with a structure that permits deformation...
Emission source spectrum stabilizer
A spectrum stabilizer for stabilizing the wavelength of light emitted by a source for use in an optical system where the source can have that wavelength altered...