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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...
Flat panel image reconstruction interface for producing a non-interlaced
An electronic interface for converting an interlaced video signal to a non-interlaced video signal suitable for an LCD flat panel. An analog interpolator scheme...
Display system providing a raster image of a physical system with its
changeable operating parameters displayed...
A display system for dynamically indicating the status of conditions of a physical system shows as background on a raster display unit, a sketch of the physical...
Method of automatic communications recovery
In a local area network system having redundant communication media and a plurality of nodes, each node is connected to the redundant communication media. Each...
Thermal conductivity measuring device
The area of a cross-section perpendicular to a flow direction in a flow path for guiding a sample gas to a detector is set to be larger than that of a...
Technique for making ultrastable ring resonators and lasers
A technique is disclosed for creating an ultrastable ring resonator for use in the field of rotation sensing. The thermal characteristics of the ring resonator...
Configuration control of mode coupling errors
An optical fiber rotation sensor having an ordinary single mode fiber coil with a depolarizer in series therewith configured with component optical path lengths...
Multiple-channel fault-tolerant clock system
A fault-tolerant clock having at least four channels, each providing its own clock output, and yet all clock output signals of all functioning channels being...
Spin deposition of a nonconformal coating surface to machined optical
A method of coating a machined surface of a plastic optical element includes providing a holder having a rotational axis therethrough for receiving the optical...
A container tray is provided with a tray member and an insert member that are able to be assembled in conjunction with each other. The tray member is shaped to...
Flexible channel optical waveguide having self-aligned ports for
interconnecting optical devices
A flexible optical coupler for coupling light signals from an optical waveguide on a circuit board or substrate to an optical waveguide on another circuit board...
Bit-serial decoder for a specially encoded bit stream
A method and apparatus for decoding a specially encoded bit stream without the use of an external clock. A bit stream is encoded so that the relative lengths of...
Intangible sensor and method for making same
An intangible sensor for measuring intangible properties of a substance and a method for making the sensor is described. The intangible sensor may be embodied in...
Polygon tiling engine
A polygon tiling engine for use in a computer graphics display system. The computer graphics display system includes a high speed processor which provides lines...
Laser gyro single transformer power supply
The invention provides a laser gyro with a single transformer power supply. The power supply receives a single 15 volt DC supply that is converted to a 320 volt...
Laser intensity monitoring apparatus with metallic thin film mask
The present invention relates to a laser intensity monitor. Specifically the laser intensity monitor uses a black chrome metallic, non-light transmissive mask...
Split sort image processing apparatus and method
An image processing apparatus processes image data representative of an image for a plurality of pixels of a display. The pixels have positions designated by...
Single gyro northfinder
Disclosed is a northfinding apparatus having a single rotation rate sensor secured to a platform. The output of the rotation rate sensor is corrected for tilt...
Error detection and correction apparatus in a BY-4 RAM Device
A memory unit, made up of a plurality of BY-4 memory devices, has a plurality of computer words, each computer word including a predetermined number of data bits...
Signal metric estimator
A performance measure of an ATR is made from ancillary target data and the ATR output. A parameter of the ATR is varied to determine the change an ATR...
Motion induced elimination of dead band in a short pulse laser gyro
A passively mode-locked laser gyro having a saturable absorber in constant motion. The saturable absorber is mechanically vibrated or rotated in a direction...
Electromechanical actuator controller
An improved electromechanical actuator controller or system, counteracting the control stability degradation caused by motor interaction with the load dynamics...
Fail-safe condition sensing circuit
A circuit for detecting whether the level of an electrical signal having a preselected polarity is above a preselected value, is powered by DC of the opposite...
Apparatus for measurement of high frequency corona discharges in
An apparatus for providing a quantitative measurement of high frequency corona discharges from electrical devices operating at high voltages, including an...
A flow disconnector has an intermediate chamber connected between inlet and outlet check valves. A diaphragm controls a venting valve for the intermediate...
Skewed axis inertial sensor assembly
In the present invention six gyros and six accelerometers are mounted to a support frame generally comprised of a block of a selected material. The relationship...
Laser gyro microprocessor start up control method and apparatus
A laser gyro start up apparatus and method that safely and quickly starts a laser gyro. A microprocessor sequences the mechanical and electrical systems of the...
Mode-locked active gyro solid state lasers
A ring laser gyro that minimizes and avoids the effects of lock-in and backscatter. A ring laser is pumped in a lasing cavity with a mode-locked laser. Dual...
Actuator employing unidirectional motor for bidirectional rotational
An actuator employing a unidirectional electric motor driving a first rotating member connected to a second rotating member through a pivotable link of which a...
Method of maximizing the efficiency of an environmental control system
including a programmable thermostat
A process which is periodically executed by a programmable thermostat of a heating and cooling system which controls the temperature of a defined space within a...
Inertial sensor support structure for accelerometers and gyros
Differential GPS landing assistance system
An aircraft landing system is disclosed in which a differential GPS global positioning system is employed. A ground station, located in the vicinity of one or...
Windshear guidance system
A windshear guidance system for guiding an aircraft during a microburst windshear is provided. This system includes a time comparison subassembly, an airspeed...
Method for etching silicon
A method is provided for assuring good electrical contact between a power supply and appropriate regions of silicon wafers to assure proper etching during the...
Fuel burner control system with selectable standing pilot mode
A burner control system with an interrupted or intermittent type of pilot burner has a special feature allowing transitions between a pilot flame hold state...
Apparatus and methods for mounting an inertial sensor chassis to an
aircraft support frame
An inertial sensor chassis is disclosed. The system includes a support frame including three alignment pins and two planar mounting surfaces. The chassis...
Integrated electronic primary flight display
One side of a primary flight display has an elongated vertically disposed airspeed dial display which provides global or macro airspeed information. A rolling...
Solenoid valve with dirt trap
A solenoid valve in which an actuator is located above a valve seat and closure member. A valve stem which carries the closure member has a particle diverting...
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...
Broadband optical modulator
A broadband optical modulator having a light waveguide and modulating electrodes incorporated into an output or drain transmission line of a distributed...
Complementary logic with n-channel output transistors
A gate having a complementary input stage (12) and an N-channel push-pull output stage (14). This circuit is faster than a circuit with a single complementary...
Electro static discharge protection for processing active matrix liquid
An improved method for providing extended electro static discharge protection of an active matrix liquid crystal display, at the external lead contact areas by...
A force sensor is provided which incorporates a pressure transducer disposed within a housing structure. A force transmitting means, such as a shaft slidable...
System powered power supply using dual transformer HVAC systems
A power supply to supply power to a secondary system. The power supply is adapted to receive power from a plurality of primary systems. The power supply having a...
Anti-rotation ring joint
A ring joint for a space vehicle subject to vibration forces during launch having anti-rotation key means to avoid relative angular displacement of parts on each...
Humidistat reset control
An environmental control system that utilizes the output of a thermostat to estimate the outdoor temperature can be used to eliminate the possibility of...
Pressure sensor adapted for use with a component carrier
A pressure transducer is provided with a housing member that attaches to a rigid and generally planar member, such as a ceramic circuit board. The legs of the...
Method of 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...