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Bearing assembly having thermal compensation
A bearing assembly with thermal compensation including a rotor rotatably mounted to a stator by way of a bearing mechanism. The stator and rotor are manufactured...
Self balancing rotatable apparatus
A system for balancing a rotatable member is provided by measuring forces and motion via accelerations at various locations of the system. The forces and moments...
Method of incorporating independent feedforward control in a
multivariable predictive controller
A process control system having a feedback controller, at least one manipulated variable and one controlled variable with a feedforward loop is provided....
Method for damping optical fiber on a bias optical phase modulator
A method for damping an optical fiber on a bias optical phase modulator having two optical fiber leads comprises the steps of securing the bias phase modulator,...
Integrator management for redundant active hand controllers
A redundant active hand controller system has first and second motors connected to a common shaft. A compensator which differentiates a motor command signal from...
Opto-electro-mechanical device or filter, process for making, and
sensors made therefrom
The present invention relates to microstructures fabricated from semiconductor material and having a flexible member which is excited into various modes of...
Accurate digital fault tolerant clock
This invention relates to fault-tolerant real-time clock capable of withstanding n-faults, including Byzantine faults. In particular, the instant invention...
Spoofing detection system for a satellite positioning system
A pair of antennae in combination with a GPS signal receiver system is employed for detecting the reception of satellite information signals from a spoofing...
Magnetic azimuth detector to digital (MAD) converter
An electrical system for converting a magnetic azimuth detector (MAD) signal into a corresponding digital signal. A conversion circuit receives a three-wire...
Thermostat system having an optimized temperature recovery ramp rate
An adaptive recovery method for a setback thermostat using the intersection of the space temperature with a sloped recovery temperature line which approximates...
Optical element driving mechanism
An optical element driving mechanism is disclosed wherein an electromagnetic motor positions an optical element such that a laser beam passing through the...
Solenoid valve with sound dampening feature
A noise dampening feature is provided to a valve by incorporating an annular resilient member in association with the plunger of a solenoid valve. The annular...
Electrical equipment housing with a movable door covering a keypad and
having a pushbutton for operating a key...
A housing for electrical equipment such as an electronic thermostat has a panel in which is a keypad having a number of keys for manual entry of data, and a...
Fail-operational fault tolerant flight critical computer architecture
and monitoring method
A flight critical computer system for an aircraft includes dual independent lanes having two processors in each lane. The first lane has a primary processor and...
Integrated resonant microbeam sensor and transistor oscillator
At least one microbeam situated on a substrate, having a resonant frequency dependent on the strain on the microbeam which may be affected by the bending of the...
Fabry-Perot micro filter-detector
A monolithically constructed infrared, tunable Fabry-Perot cavity filter-detector for spectroscopic detection of particular substances having an absorption line...
Switch mountable to a panel without additional fasteners
A switch is specifically shaped to be retained in position within an apparatus, such as a household appliance, by inserting edges of an opening formed in the...
A smart fastener having corrosion detection features. Within the fastener is a corrosion detecting array that receives an electrolyte that corrodes sacrificial...
Integrated aircraft survivability equipment in-flight simulation
An in-flight simulator for an integrated aircraft survivability equipment system controlling radar warning receiver and a radar jammer with countermeasures...
Method and structure for reflecting 633 nm radiation while eliminating
650 nm radiation in ring laser gyro mirrors
Apparatus for mode discrimination in laser applications. A laser operating at a wavelength .lambda.c may have an undesired mode operating at .lambda.e. Mirrors...
Advanced equipment control system
The present invention relates to a control solution development environment coupled to a runtime environment constructed to insulate the control solution...
TFT matrix liquid crystal device having data source lines and drain
means of etched and doped single crystal...
An active matrix array for liquid crystal displays which provides for a large aperture ratio. A layer of single crystal silicon is disposed over a glass...
Three dimensional package for monolithic microwave/millimeterwave
A three-dimensional interconnect package is provided for monolithic microwave/millimeterwave integrated circuits. A mating substrate for receiving an MMIC has...
Fail safe receiver system
A receiver system using antennas which may be effected by reflections or multipath propagation errors wherein the antennas are placed at spaced apart locations...
Load control for partially increasing/decreasing power usage
An add/shed load controller which will add/shed or increase/decrease the electrical usage of a load. A maximum decrease limit may be set for analog loads to...
Method of incorporating wide tolerance set point potentiometers into
devices with fixed orientation setpoint...
A manufacturing method for control devices which incorporate potentiometers whose resistance characteristics other than linearity are subject to unit-to-unit...
Apparatus for sensing the closure of a door
An enclosure sensing apparatus is provided which monitors the movement of a key structure relative to a housing structure. The purpose of the device is to...
Linearization scheme for optical measurement systems
A method and apparatus for correcting errors in an optical measurement system utilizing a lens which may have distortions that would vary as a function of...
Mechanical alternate action to electrical pulse converter
A fluorescent light control circuit usable with a transformer relay for providing electric current pulses of alternating polarity in response to successive...
Gas burner controller with main valve delay after pilot flame lightoff
A controller for a gas burner system compensates for the tendency of a flame rod sensor in the burner system to on occasion provide a spike in its signal on...
Internal Model Controller with automatically correcting gain of the
internal model controller
An internal model control (IMC) automatically corrects the gain of the internal model control when the settings in the internal model are improper. The...
Head mounted display utilizing diffractive optical elements
A head mounted display having an image source, an optical relay system and a combiner for producing an image from the image source to the eye of a pilot in which...
High resolution active matrix LCD cell design
A transistor panel used for active matrix display devices includes islands of single crystal silicon formed on a transparent quartz substrate and arranged in...
Full and partial cycle counting apparatus and method
Apparatus for determining the number of cycles occurring in a frequency modulated signal during a sample period, including not only the number of full cycles but...
A light coupler comprises a light source and a light conductor coupled together by a housing. The housing is permanently deformed to increase light coupling...
Thermal isolation microstructure
A thermal isolation microstructure fabricated by a process which allows the ultra thinning of support legs for the microdetector.
Determination of dew point or absolute humidity
A microsensor system for determining water vapor content of the ambient atmosphere that uses a thin film suspended ceramic diaphragm structure featuring an...
Wrap around fiber optic component package and packaging method
A method resulting in a package for a fiber optic component includes positioning the fiber optic component within a primary protective body. A flat wrappable...
Non-linear control system for a single input single output process
A control system and method for providing a nonlinear response for a single input-single output system. A system output is measured and compared against a...
Method of coupling open systems to a proprietary network
An interface provides a path to transfer data from a proprietary network to an open system. The proprietary network includes at least one module central...
Partitioned display apparatus
A display apparatus for displaying video information received from a plurality of memory devices. Each memory device is organized as 2.sup.x rows by 2.sup.y...
Trimming of fiber optic winding and method of achieving same
In a optical fiber coil arrangement for use in rotation sensors, for example, axial and/or radial errors can be reduced or substantially eliminated by employing...
Bidirectional optical modulator having lightwave signal conservation
A modulating optical element having ports wherein either port can output or receive light signals. An electrooptic effect is applied to the optical element to...
Adjustable voltage level shifter
A voltage level shifter is disclosed having an input and an output. The input receives a first signal capable of fluctuating between at least two voltages. The...
Device executing intervisibility calculation
A device executing intervisibility calculation includes a mechanism executing a radial spoke scan pattern where individual radials are traversed beginning at a...
Method and apparatus for measurement of spatial signal and noise power
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...
In flight doppler weather radar wind shear detection system
An airborne doppler radar wind shear detection system has a volumetric scanning pattern for providing atmospheric measurement data for individual resolution...
Electromagnetically controlled gear engagement mechanism integrated with
a magnetic hysteresis slip clutch
A mechanism for transferring torque from a motor to a gear train through a magnetic hysteresis slip clutch has a feature for disconnecting the motor from the...
Airborne drone formation control system
In a method and apparatus for remotely controlling a formation of drones. A single drone is chosen as a formation leader. Each other drone in the formation has...
Apparatus for transferring electrical power from a stationary device to
a rotating device without the use of...
A device for transferring electrical power from a stationary member to a rotatable member is provided by incorporating an air core transformer of which a first...