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Rectangular thermostat housing having a stepped front panel
Thermostat housing with compound curved surfaces
Latching relay control circuit
A latching relay control circuit comprising a latching relay pulse generator circuit and a relay coil drive circuit, the latching relay pulse generator circuit...
Method of making linear capacitors for high temperature applications
A method for making a voltage linear capacitor for use with a metal oxide semiconductor field transistor wherein a capacitor portion of an SOI substrate is...
Processor controlled fluorescent lamp dimmer for aircraft liquid crystal
A processor controlled fluorescent lamp dimmer circuit is shown for use in an aircraft display system utilizing a fluorescent lamp in the backlight system of...
Microprocessor watchdog circuit
A microprocessor watchdog circuit in which a voltage less than a reference voltage is supplied to a comparator substantially only in response to a pulse train...
Method for maintaining a sequence of events function during failover in
a redundant multiple layer system
In a process control system having a redundant multilayer hierarchical structure, each node of a layer being redundant sequence of events inputs are received...
Priority based graphics in an open system windows environment
A graphics display has the capability of displaying both alpha numeric images and graphic images and properly blending these images. The blending is done timely...
Synchronous motor system employing a non-synchronous motor for enhanced
A rotary actuator derives its power from a synchronous motor preferably of the AC type providing constant output speed, and from a non-synchronous motor,...
Liquid level sensor
A liquid level sensor is provided with a single piece pivotable device which is used to move a permanent magnet into and out of the detection zone of a...
Real time resource allocation
The method allocates a demanded amount of power to a plurality of power output apparatus, each power apparatus having characteristic curves associated therewith,...
Vehicle control surface position feedback compensator for reducing
In a servo loop closure for an aircraft control surface, surface position from the control surface synchro is utilized to augment the servo motor rate feedback...
Multi-channel data receiver system
The present invention is a system that is used on board an aircraft that receives data, examines the data, and directs the data to appropriate memory devices for...
System and method for transferring hub alarm service monitoring
An alarm system monitoring method for remote monitoring. A local alarm monitoring station receives alarm indications from alarms being monitored, and transfers...
Gradient reflector location sensing system
A multi-band high-speed videometric head tracking system having a gradient reflector array attached to a helmet on a person's head, ultraviolet light source...
Gas pressurized oil replenishment system for bearing assemblies
A system is disclosed for supplying a lubricant to a bearing assembly, such as that in a gyroscope of a spacecraft. The system includes a housing which is...
Angular random walk screening fixture
A screening device can be used to test ring laser gyro performance at numerous points during the gyro assembly. This performance testing can be done without...
Lighting controller with compensation for eye adaptability
Light control apparatus and method in which commanded changes in luminance in a space are executed in accordance with a rate function generated by a function...
In-flight radar warning receiver training system
An in-flight radar warning receiver training system for use with a radar warning receiver (RWR) includes a real on/off switch for switching real threat track...
Device for the assembly by clamping of an elastically compressible part
A cylindrical housing (1) and a body (4) having a shape matching the shape of the housing (1). The body (4) is immobilized, so as to compress the elastically...
Calibration of an internal sensor system
A calibration device for establishing a 3-D reference frame for an inertial sensor system. A secondary mounting surface on the calibration device is used to...
Electrostatic path length control transducer
A path length control transducer assembly is created by utilizing an electrostatic drive to move a transducer. By placing a first electrically conductive plate...
Method and apparatus for compensating spectral data with a color sensor
A method and apparatus for interpreting spectral data in an optical sensor for a variety of uses, such as the manufacture of paper. A probe is inserted into...
Switch with end of life prediction capability
A monitoring device is provided for use in association with a limit switch or similar mechanically actuated device in order to permit its end of life to be...
Camera for producing video output signal, infrared focal plane array
package for such camera, and method and...
A camera system primarily for infrared radiation having a focal plane array of microbolometer elements in a vacuum package with inexpensive thermoelectric...
Valve with a reduced number of exhaust ports and vents
A pilot valve is provided with internal conduits that eliminate the need for all but one exhaust or vent opening in the outer surface of the valve. The pilot...
Touchdown and launch-lock apparatus for magnetically suspended control
A control moment gyroscope including a rotor extending along a rotor axis. The rotor includes a first and second rotor end. A gimbal housing includes a magnetic...
Electromagnetic current meter
Retroreflective array virtual image projection screen
A retroreflective array projection screen for displaying virtual images wherein the apparent distances from the observer to the viewed subject is greater than...
Method of fabricating diode lasers using ion beam deposition
A process for fabricating a diode laser is disclosed which allows the laser to be easily aligned with other components. Furthermore, the disclosed method...
Dielectrically isolated resonant microsensors
A resonant strain gauge includes a silicon substrate, a polysilicon flexure beam fixed at both ends relative to the substrate, and a polysilicon rigid cover...
Method and apparatus for use of alphanumeric display as data entry
An aircraft control and display system having a multifunction display for configuring the vehicle flight parameters and control of mission equipment utilizes a...
Sinusoidal noise injection into the dither of a ring laser gyroscope
Method and apparatus for reducing the effects of lock-in in a ring laser gyroscope. A sinusoidal noise signal is generated having a peak amplitude which shifts...
Color sensor for optically measuring consisting and brightness of
A method and apparatus for normalizing spectral data for an optical sensor. The sensor is comprised of a probe, a color sensor, a series of reflective targets,...
Active current control apparatus
An active current control apparatus for a ring laser gyro includes an apparatus for generating a control signal representative of a current value, such as, for...
Synthetic friction algorithm for a hand control element
Synthetic friction force algorithms provide simulated static friction forces as well as dynamic friction forces. On either side of a hand-control element...
Heat transforming arrangement for printed wiring boards
In the present invention, a heat transferring arrangement is disclosed for a printed wiring board assembly. A heat conductive panel is provided to be in close...
Magnet carrier disposed within an outer housing
A magnetic sensor is provided with a housing in which a carrier is inserted. The carrier is particularly shaped to retain a permanent magnet in a particular...
Optical switch with tamper indicating feature for discouraging the use
of an external light source to defeat...
An optical switch, or detector, is provided with a light source and a light sensitive component. The light source, which can be an infrared light emitting diode,...
Two-stage gas valve with natural/LP gas conversion capability
A convertible two-stage pressure regulator in which a main valve regulates fluid flow between an inlet and an outlet in response to a control pressure produced...
Pressure detection gage for semiconductor pressure sensor
A pressure detection gage for a semiconductor pressure sensor includes a gage portion, a pair of lead out portions, and an isolation layer. The gage portion is...
Selective assembly of component kits
A computerized method for the automatic selection of component kits from an inventory of component parts. A first list of component parts is created by a...
Integrated electronic primary flight display
One side of a primary flight display has a vertical airspeed scale, a round dial display, and a window. The round dial display provides global or macro airspeed...
Variable servo loop compensation in an active hand controller
A state detector and loop compensation parameter controller for use with an active hand controller system having a single hand controller or having first and...
Flowthrough pressure sensor
A flowthrough pressure sensor is provided which avoids the creation of crevices and creases that could provide difficult to cleanse regions. The pressure sensor...
Rapid turn-on source for fiber optic gyroscope
A light source with wavelength compensation for a fiber optic rotation sensor includes a light source to provide light for input to the fiber optic rotation...
A plurality of memory cells arrayed in columns with the memory cells within a column connected between precharged first and second output lines. An input line...
Functional radar warning receiver back-up generator
A functional radar warning receiver backup generator. A functional radar warning receiver backup generator provides threat information in the total absence or...