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Dual standard gloss sensor
A single gloss sensor which can perform both DIN gloss measurement and DIN high gloss measurement, using the same hardware, and with minimal delay between the...
Circuit for limiting an output voltage to a percent of a variable supply
A temperature compensation circuit is provided for use in conjunction with a Hall effect element in which the temperature compensating resistors, or epitaxial...
Method and apparatus for amplifying electrical test signals from a
An apparatus and method is provided for testing performance characteristics of a MEMs device. The apparatus includes a test probe that is electrically connected...
Magnetic field sensor for isotropically sensing an incident magnetic field
in a sensor plane
A magnetic field sensor that isotropically senses an incident magnetic field. This is preferably accomplished by providing a magnetic field sensor device that...
Automatic dither pickoff gain select
In a ring laser gyro (RLG), the dither pick off signal is applied to a variable gain amplifier, producing an output that controls the amplitude of the motion of...
Position driven hot gas proportional thruster valve
A thruster valve has a continuously positionable piston between a closed position and a maximum open position. The piston moves in response to the difference in...
Commutator assembly apparatus for hall sensor devices
A commutator assembly has a bracket for the placement and protection of Hall element sensors such as may be used for an electrical commutator assembly or other...
Radiation hardened field oxide for VLSI sub-micron MOS device
A process for oxidizing the silicon layer into a device-isolating field oxide having a radiation-hardened reduced bird's beak. An angled and rotated field...
Microfiber dielectrics which facilitate laser via drilling
This invention concerns electronic substrates comprising a non-woven filler material and a resin material. The present invention also includes electronic...
Structure for achieving a linear light source geometry
Improved linear illumination sources which utilize external, highly reflective enclosures containing one or more linear openings and thereby achieve improved...
Self-oscillating fluid sensor
A method and apparatus for determining selected fluid properties using a self-oscillating fluid sensor. In a preferred embodiment, a sensor is provided that...
Power factor correction circuit
A power factor correction circuit which employs a full wave rectified input wave form made up of plurality of short duration pulses applied across a transformer...
Capacitive moisture detector and method of making the same
An improved capacitive moisture detector includes a ceramic substrate with a plurality of layers of interdigitated electrodes and a plurality of interleaved...
Low cost high performance single board motor controller
A motor controller circuit including an energy storage device, a bus protection circuit, an input signal selector, a combiner, a compensator, a modulator, a...
Hexagonal filament articles and methods for making the same
The present invention is related to a multi-filament article comprising filaments having a substantially hexagonal cross-section and a method for making the...
Trailer control valve with variable port orientation
A control valve assembly for a heavy vehicle provides a symmetrical design that minimizes costs and provides a universal adaptation to a number of OEM...
Method of humidity control utilizing dewpoint
A method of controlling humidity within a space, where the space communicates with humidity control equipment. The method comprises determining a dew-point...
Low power infrared scene projector array and method of manufacture
An array for projecting thermal images and a method of making same. The array of the present invention combines a two-tier architecture created with special...
Method and apparatus for calibrating a display using an array of cameras
The present invention overcomes many of the disadvantages of the prior art by providing a display that can be calibrated and re-calibrated with a minimal amount...
Enhanced brightness of flat fluorescent lamp
A flat fluorescent lamp exhibits increased brightness through selective angular tuning of emitted light. A diffuse channel is formed in a substrate such that the...
Apparatus for making electrical connections to a device requiring EMI
A connector has conductive pins extending from outside the device to within the device and an electrically conductive wall surrounding a portion of the pins. The...
Method and apparatus for sealing building ductwork during chemical or
A system for sealing a building air duct in response to a chemical or biological attack to prevent the building HVAC system from delivering the chemical or...
Quadruple display ergonomic control console
Electrostatic/pneumatic actuators for active surfaces
An actuator device providing an active surface. The actuator has a base having at least one first electrostatic electrode mounted therein which is oriented for...
Nanoporous material fabricated using a dissolvable reagent
Nanoporous low dielectric constant materials are fabricated from a first reagent and a second reagent. The reagents are mixed to give a reagent mixture and a...
Criticality and quality of service (QoS) based resource management
A resource executes a plurality of executing sessions, the resource receives an arriving session, and the resource has a resource capacity constraint. Each of...
Adapter kit to allow extended width wedgelock for use in a circuit card
An adapter for commercial off-the-shelf (COTS) circuit card modules resulting in increased cooling efficiency. COTS circuit card modules generally have at least...
Low drift depolarizer for fiber optic gyroscope having legs wound in a
A design for an environmentally robust fiber depolarizer for a fiber optic gyroscope is disclosed. The design comprises; substantially a clockwise propagating...
Method of and apparatuses for reducing infrared loading on display devices
Methods of and apparatuses for reducing the solar or infrared loading on display devices. A reflective material is positioned between a radiant energy source and...
Coherent radar detection using non-coherent architecture
In a radar system having a transmitter that produces pulses to be radiated by an antenna and a receiver that detects target information, complex demodulation is...
Twin configuration for increased life time in touch mode electrostatic
An electrostatic actuator and drive configuration device for use in a system requiring a long term ON state operation. The device includes a first electrostatic...
A fiber having increased cut resistance is made from a fiber-forming polymer and a hard filler having a Mohs Hardness Value greater than about 3. The filler is...
High temperature ZrN and HfN IR scene projector pixels
A structure and method of making resistive emitting members which exhibit high resistivity while at the same time providing high temperature operation...
2-way collar and O-ring seal assembly
First and second collars cooperate with first and second seal members separated by a retaining ring assembled onto a valve piston. The collars selectively engage...
System and method for controlling conditions in a space
An environmental control system for a building intended for human occupancy in which the operating environment is controlled in response to any of a plurality of...
Modular laser gyro
A modular laser gyro incorporating a laser gyro with a digital control processor. The digital control processor safely and quickly starts the laser gyro. The...
Multiple value multiple owner message class
A method of communicating between a plurality of devices in a controller area network is disclosed. The method includes a first device transmitting a first...
Synchronous rectifier MOFSET with controlled channel voltage drop
A synchronous rectifier MOSFET control circuit which overcomes many of the shortcomings of the prior art employs MOSFET for supplying voltage to a load when the...
Interference-tolerant proximity sensor system having a resonance-tracking
A system to analyze the impedance of interference-tolerant proximity sensors. A lock-in amplifier (LIA) is implemented as a resonance-tracking oscillator. The...
Charge air systems for turbocharged four-cycle internal combustion engines
Charge air systems may include a small electric motor-driven compressor for supplying charge air to four-cycle internal combustion engines, including systems...
Fiber optic header for an edge emitting laser
An optical header for coupling an edge emitter light source to an optical fiber is disclosed. The header preferably includes a ceramic or silicon substrate that...
System for suppression of relative intensity noise in a fiber optic
A system is disclosed which suppresses relative intensity noise in a fiber optic gyroscope. A high-speed intensity modulator is placed in the gyroscope light...
Dual target tracking altimeter
The apparatus has the capability to detect the distance between an aircraft and the ground and at the same time to the nearest point to the aircraft such as...
System for producing paper product including a compact high-resolution
under wire water weight sensor array
A measurement apparatus for sensing three properties of materials including a fixed impedance element coupled in series with the sensor array between an input...
A valve, for example a valve for use in conjunction with a pneumatic pressure controller for controlling a load pressure in a volume, comprises an apparatus for...
Telephone handset off switchhook and call holding alert system
Disclosed is a telephone alert system that comprises a telephone and a device for indicating that the telephone requires attending. The indicating device...
Synchronous frame regulation to extract a positive sequence component of a
A power distribution system includes an active rectifier and a controller for the active rectifier. The controller extracts a positive sequence component of a...
Apparatus and method for detecting electrical resistance change in
connectors to a remote mounted sensor
A control system detects an electrical resistance change in a connector coupling a remote mounted temperature sensor to a control system. A control system...
Lead compensated engines-only flight control system
A backup engines-only flight control system accomplishes improved aircraft banking in response to commands by the use of a lead compensated transient ...