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Negative trimming of fiber optic winding
In a fiber optic coil arrangement for use in rotation sensors, for example, axial or radial errors can be reduced or substantially eliminated by negatively...
Multi-domain liquid crystal displays
A method for fabricating a multi-domain liquid crystal display wherein adjacent areas of the display are oriented in different direction by coating the substrate...
Precision bias circuit for a class AB amplifier
A novel bias circuit provides precise base emitter voltage(V.sub.BE) which tracks the temperature coefficient of an RF transistor using low cost devices. The...
Heating system with humidity control for avoiding water condensation on
interior window surfaces
A space heating system with a controllable air humidification capability calculates a theoretical value for the temperature of the interior surface of the...
Sensor platform for use in machines for washing articles
A plurality of fluid condition sensors are combined together to provide a sensor cluster that senses turbidity, temperature, conductivity and the movement of a...
Magnetic sensor with characteristics that are changeable by an external
A sensor is provided for changing an operational characteristic of a circuit within a housing structure of the sensor to a preselected stimulus. The circuit...
Containment assembly for spin table
A system for releasably restraining a first element and a second element is disclosed. The containment system uses a tensioner to urge a clamp into contact with...
Lateral guidance transition control apparatus for aircraft area
An apparatus for providing lateral guidance through a plurality of waypoints utilizing curved path transitions. When the curved path transitions overlap due to a...
Overcoat method and apparatus for ZRO.sub.2 mirror stacks
A mirror for a ring laser gyro includes alternating optical quarterwave regions of SiO.sub.2 and ZrO.sub.2, and of admixtures of these. The alternating regions...
Field emitter liquid crystal display
A liquid crystal display having pixels illuminated by field emitter arrays. The field emitter arrays may be utilized to illuminate each pixel individually or to...
Pressure transducer with media isolation
A pressure sensor die is provided with a flexible membrane and a plunger which combine to amplify a low pressure signal while also providing media isolation...
Miniature magnetometer and flexible circuit
Miniature magnetometer apparatus for use with external equipment in determining a position and orientation of a device located within a magnetic field includes...
Method for calibrating an angular position sensor
A method is provided to calibrate an angular position sensor by using an electrical coil to provide a magnetic field that simulates the presence of a permanent...
Configurable video output channel architecture
A configurable video output channel architecture includes a plurality of parallel video pipelines arranged to drive a video display; a device for selecting an...
Locally powered control system having a remote sensing unit with a two
A communication system comprises a remote switching module having two signal terminals connected by just two conductors to the signal terminals of a local...
Apparatus for attaching protective tubing to a component
A tubing attachment apparatus is provided which automatically severs a preselected tubing segment from a continuously fed length of tubing, moves the tubing...
FET having minimized parasitic gate capacitance
A HIGFET having a gate pad situated over a non conducting portion of the channel layer of the heterostructure wafer. The method of producing this device involves...
Random access memory cell resistant to radiation induced upsets
A radiation resistant random access memory cell which has a coupling circuit between a storage node of a first CMOS pair and a gate node of a second CMOS pair....
Fail safe system with common mode avoidance
A fail operational system including two sets of first and second sensors responsive to different stimuli to produce signals indicative of a condition, and a...
Threat avoidance system and method for aircraft
A computer-based process for rapidly responding to previously unknown threats to airborne aircraft. The process makes quick, automatic decisions when required...
Magnetic sensor with encapsulated magnetically sensitive component and
A magnetic sensor is provided in which a flexible substrate is used to support a magnetically sensitive component and other electronic components relative to the...
Apparatus for use in high fidelty replication of diffractive optical
An apparatus for replicating diffractive optical elements by embossing a master optical element into a photopolymer material disposed on a substrate, including a...
Method and apparatus for alerting pilot to transponder antenna failure
in a traffic alert and collision...
A system for use with aircraft having a collision avoidance system which employs i) two transponder systems each including two antennas and a selected one of two...
Electrical connector with different lead arrangements at its opposite
A connector is made by cutting a continuous strip of conductive material to provide individual fingers that extend in a direction perpendicular to the length of...
Rotational position sensor with mechanical adjustment of offset and gain
An angular position sensor is provided with a rotatable magnetic structure that comprises a primary magnet and a secondary magnet. The primary and secondary...
Accelerometer with a cantilever beam formed as part of the housing
An accelerometer is provided in which a magnet structure is encapsulated within a distal end of a cantilever beam that is formed as an integral part of a housing...
Methods and apparatus for performing heap management and protecting data
structure integrity in non-volatile memory
Methods and apparatus for performing heap management in programmable recording instruments used to record process data; and protecting the integrity of data...
Flat panel convergence circuit
A method and apparatus for providing error voltage compensation in a flat panel display. Voltage errors in a column driver for a flat panel display are...
Light sensor with position compensation accomplished by area distribution
A light sensor comprises two light sensitive areas that are shaped to physically compensate for the decrease in light intensity resulting from movement of a...
Replication of optically flat surfaces
A method of replicating an optically flat surface includes providing a plastic optical element having a machined flat surface. The machined flat surface includes...
Dual mode single cavity compensation for microwave resonators
A microwave resonator, useable for acceleration detection, having a cavity in which a resonant frequency F.sub.1 which changes with changes in length of the...
Apparatus for evaluating measuring values
An apparatus evaluates measuring values from a laminar material, wherein the laminar material is moving in a single plane in a predetermined direction, the...
Proximity sensor which is sensitive to a pulsating magnetic field
A proximity sensor is provided with a means for sensing an attempt to tamper with the normal operation of a proximity sensor. An Eddy current killed oscillator...
Connector for a self contained laser gyro
A multi piece electrical connector for use in a compact laser gyro. A connector unit, along with connectors 34A-C and paddle board 32, make a connection between...
Dither motor connector for a self contained laser gyro
A dither motor connector for a laser gyro which has the power supply and the laser block along with other support electronics within the same housing. A...
Methods and apparatus for providing and/or customizing display screens
and operator interfaces for process...
Methods, together with apparatus for implementing such methods, for providing display screens and operator interfaces for process control and measurements,...
True north heading estimator utilizing GPS output information and
inertial sensor system output information
Inertial sensor information is combined with GPS information derived from satellite information signals separately received by a pair of GPS antennae and...
Electrode assembly with lead wire attachment
Disclosed is an electrode assembly particularly for electrodes in which the electrode consists of a material which is non-conducive to soldering of an electrical...
Air conditioning system thermostat having adjustable cycling rate
A thermostat for controlling an air conditioning system has a selectable cycling rate. A manually variable resistor element is connected in parallel with the...
Apparatus and method for attaching a sensor to an object
An apparatus and method is provided for attaching a gear tooth sensor to an object, such as an engine block of an automobile. A clamping bar and a deformable...
Separately clocked processor synchronization improvement
Processor apparatus for control functions performed in a redundant manner utilizing separate clocks but correcting for mismatch in timing thereof by causing an...
Thermostat with selectable temperature sensor inputs
A thermostat has terminals to receive at least two temperature sensor signals, and changes the one of these terminals which provides the feedback signal for...
Linear hydraulic actuator with adjustable output speed
A linear hydraulic actuator has a reciprocating pump which provides pressurized hydraulic fluid contained in a reservoir to a hydraulic cylinder in which slides...
Differential GPS ground station system
A differential satellite positioning system is configured to include a plurality of satellite positioning system receivers in spatial proximity of one another...
Coherence collapsed multimode source for a fiber optic gyro
A fiber optic gyro utilizing a multimode mode high power laser diode source with the partly reflective mirror to reflect back some light to the source to cause...
Differential ground station repeater
A differential ground station repeater in which a plurality of transmitters are utilized to relay information to an aircraft from a single ground station...
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...