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Portable electrical fan
Monolithic vertical cavity surface emitting laser and resonant cavity
A monolithic transceiver that includes both a vertical cavity surface emitting laser (VCSEL) and a resonant cavity photodetector (RCPD) formed therein. The...
Single port first-in-first-out (FIFO) device having overwrite protection
and diagnostic capabilities
A FIFO single port storage device and methods for using the same are disclosed. The FIFO device includes a single port memory for storing data from a host...
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...
Nozzle assembly for the water distribution tray of a pad-type humidifier
A nozzle assembly for the water distribution tray of a humidifier has at least one arm which cooperates with a feature such as a slot on a tray wall, to hold the...
Internal geometry shape design for venturi tube-like gas-air mixing valve
A gas-air mixing valve using a tube. The valve has an internal geometry shape for directing the flow of air and gas, including an air inlet, an inlet part from...
Portable vaporizer with cooling chamber
A portable vaporizer including a base, a steam stack which includes a baffle and a cup for retaining a liquid, a vented collar, a steam cap and a boiling...
Radio frequency interferometer and laser rangefinder/destination base
A dual radio frequency interferometer aided by laser rangefinder and terrain database system utilizes two linear rays of RFI sensors to determine the position of...
GPS signal fault isolation monitor
A system to determine, from inertial reference apparatus and from GPS receiver apparatus, acceleration signals along a predetermined axis to determine the...
Systems and methods for providing dynamic data referencing in a generic
data exchange environment
For use with a computer system having a dynamic data referencing (DDR) module, a plurality of external data references accessible via the DDR module, the...
Device and method for achieving beam path alignment of an optical cavity
Disclosed is a mirror mounting device and method for beam path alignment of an optical cavity for a ring laser gyroscope. The ring laser gyroscope is of the type...
Satellite attitude determination using GPS and intersatellite line of
The attitude (yaw, pitch and roll) of a home satellite is determined using position signals, derived from a GPS receiver on the home satellite and GPS receiver...
Micro electro-mechanical systems relay
A relay device build using MEMS technology and having a semiconductor wafer base with a surface depression having a first electrically conductive surface...
Self-aligned wordline keeper and method of manufacture therefor
A word line structure, and method of manufacture therefor, for a monolithically formed magnetoresistive memory device having a magnetic field sensitive bit...
Electromagnetic field perturbation sensor and methods for measuring
water content in sheetmaking systems
An apparatus for sensing three properties of materials: the conductivity or resistance, the dielectric constant, and the proximity of the material to the sensor...
Adjustable head mounted display and system
A head mounted display includes a head suspension apparatus and a display coupled thereto. In a stationary state, the display is maintained in a desired position...
Continuous in-line kappa measurement system
A system for the continual, real-time, in-situ generation of a Kappa number used by a process control system to control the delignification of papermaking pulps...
Magnetic field sensing device having integral coils for producing
An integrated magnetic field sensing device has magnetic field sensing elements arranged in an electrical bridge. A first spiral coil provides a setting and...
Ring laser gyroscope dither motor structure
Disclosed is a dither spring structure and method of dither spring manufacture. The dither spring structure includes a central hub, an outer toroidal rim, a...
Temperature control with stored multiple configuration programs
A thermostat which is configurable to be used with conventional fossil fuel furnaces, electric furnaces, heat pumps and other air conditioning equipment and...
Control system utilizing fault detection
A control architecture having improved fault detection and correction capabilities is disclosed. The system comprises primary and monitor control systems, each...
Pressure transducer with flame arrester
A pressure transducer with a flame arrester has a header with a sensor mounted at a surface within a cavity in the header. A diaphragm in contact with the fluid...
Reset switch with controlled force strength snap-over
A nonrecycling reset switch has a fixed position anchor mounted on bosses in the casing for holding a resilient member of the conductive snap spring which moves...
Load vibration isolation apparatus
A damping mounting structure for use between two members for isolating motion changes which incorporates a plurality of dampers connected between the two members...
Vibration rectification error reducer for fiber optic gyroscope
An apparatus for eliminating or reducing vibration-induced errors due to vibration rectification by applying a variable weighting function at the demodulator or...
Solid state electrochemical sensors
A solid state electrochemical sensor includes a conductive base layer which supports a chemically sensitive membrane, a guard ring layer located below the base...
Fast basis weight control for papermaking machine
Apparatus and process for controlling the basis weight of paper produced in a papermaking machine are provided. In the papermaking process, a major portion of...
Air plenum filter adapter component
A frame supports a deep filter element to allow the filter element to be installed in a duct's conventional air intake opening as a replacement for a...
Variable periodic disturbance rejection filter
A filter for use in an attitude control system which may be subjected to vibrations from disturbances which have frequency contents that vary with time. Sensors...
Bulb-operated modulating gas valve with minimum bypass
A multi-way valve unit which provides low pressure unregulated gas flow and high pressure regulated gas flow in an integrated gas control system. A main and...
Thermostat having a temperature setting lever with tactilely
A thermostat employing a lever for selecting the temperature setting has a detent mechanism for creating individual detent positions associated with temperature...
Method and apparatus to calibrate and run optical delay devices
A calibrate and run bias voltage control method for an optical delay system utilizing a plurality of voltage controlled switches which may experience bias drift...
Laser with an improved mode control
A vertical cavity surface emitting laser is provided with a mode control structure that selectively encourages or inhibits the lasing of the laser in regions of...
Method of predictive maintenance of a process control system having
A pipeline system of a process facility has a plurality of equipments, the equipments including at least one pipeline for providing a channel for a fluid of a...
Method and apparatus for dimming a lamp in a backlight of a liquid
A method and apparatus for dimming a lamp in a backlight system of a display device, e.g., liquid crystal display ("LCD"), with a brightness dimming ratio of...
Shielded package for magnetic devices
A package for shielding a circuit containing magnetically sensitive materials from external magnetic fields. A shield attached to a base of the package is...
Double-acting electropneumatic positioner
A double-acting electropneumatic positioner for controlling an actuator, the actuator having a first and second chamber, comprises a single-acting ...
Photoacoustic device and process for multi-gas sensing
A photoacoustic gas sensing system includes either separate lasers or an arrangement of emitters and filters, to provide infrared energy within at least two...
Device for color measuring
A color measuring device measures the light transmitted through the material to be measured as well as the light reflected therefrom and the irradiated light and...
Reducing satellite weight and cost
Satellites are launched to a first orbit on a launch rocket. The satellites are connected together, forming a satellite cluster, that is propelled from the first...
Remote control for ceiling fan
Micromechanical stepper motor
A micromachined stepper motor having a toothed slider connected at either end to spring flexures. At least one of the spring flexures is positioned between a...
High resolution system and method for measurement of traveling web
A system and method that combine an array of fast under wire water weigh sensors with a scanning system provides an accurate measurement of the entire sheet down...
Equipment stress monitor
An electronic apparatus that includes means for determining the temperature stress the equipment has been subjected to is disclosed that includes a multiplexer...
Vibration error reduction servo for a fiber optic gyroscope
A rectification error reducer for a fiber optic gyroscope, which is an intensity servo or compensator for reducing vibration effects in the optical signals...
Very low expansion radiation hardened transmission medium
A output mirror with a substrate that is doped with a radiation stabilizing material is used to reduce the adverse effects of long periods of exposure to...
Common electrode voltage driving circuit for a liquid crystal display
A control circuit for providing a common electrode voltage for a liquid crystal display dynamically controls the voltage applied to the common electrode...
GPS satellite drift monitor
A system to determine when a GPS satellite signal has begun to drift prior to acquisition by producing a discriminator which is used to determine the satellite...