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Thin thickness measurement method and apparatus
Techniques for non-contacting thickness or caliper measurements of moving webs or sheets employ a sensor device that includes a first sensor head and a second...
Wireless proximity sensor reader transmitter
A wireless security system includes a control panel, a radio frequency receiver hardwired to the control panel, a plurality of wireless sensors having a...
Vacuum sealed surface acoustic wave pressure sensor
A vacuum sealed SAW pressure sensor is disclosed herein, which includes a sensing element configured as a SAW device (e.g., SAW resonator or SAW delay line)...
Manufacture of thick preform composites via multiple pre-shaped fabric mat
Preform for carbon-carbon composite part (55) comprising multiple layers of fibrous mats (51, 52, 53) wherein each mat (51, 52, 53) comprises random...
Rare earth metal compounds and mixtures of these
Rare earth metal compounds are described which, due to their luminescence when irradiated with UV light, are suitable in particular for the marking of...
An apparatus including a spatially modulated extended light source configured to project an output having at least one region of diminished illumination, and an...
Bypass for exhaust gas cooler
An exhaust gas recirculation cooler, typically of the drawn cup design, with a bypass and control valve is disclosed. The control valve can direct a proportion...
Energy storage flywheel retention system and method
An energy storage flywheel system includes a flywheel assembly that is rotationally mounted in a housing assembly, and one or more actuator assemblies. The...
Meso sniffer: a device and method for active gas sampling using
A sampling system for detecting an analyte, comprising a diaphragm pump, a buffer chamber, a sensor head and intake port. The pump includes a chamber for...
Low loss flow limited feed duct
A duct that preferably includes a low loss inlet section is configured to include one or more flow limiting passages that extend through a portion of the low...
Multiple electric fuel metering systems for gas turbine applications
The present invention provides a multiple manifold fuel metering system with a separate motor, pump, and shut-off/purge valve for each manifold. The present...
Universal script editor
A universal script editor for creating scripts with arbitrary syntax includes a read module and an editor module. For a given script type, the read module reads...
Intelligent retrieval and classification of information from a product
An intelligent information-mining system extracts desired intelligent information from unstructured text data in documents to categorize the unstructured text...
Method and apparatus for customer storefront operations
A method and apparatus for managing a decentralized part supply system via a wide area network. A supplier and a customer establish a secure area at the...
Permalloy sensor having individual permalloy resist pattern runners with
lengths perpendicular to a wafer level...
A permalloy sensor having high sensitivity is presented A substrate and a sensor has a first surface having a wafer level anisotropy in a given direction. A...
Multiple wavelength spectrometer
Multiple wavelength spectrometers can be tuned to particular wavelengths. A dual wavelength spectrometer can include a spectrometer configured to detect at least...
Embedded digitization system
An embedded digitization system enables a military platform to receive, transmit and process a variety of types of information for a variety of purposes. An...
Method and apparatus for generator control
A generator control circuit is provided that includes a first circuit (44) monitoring a generator voltage change rate and producing a first output when the...
System for detecting incoming light from a remote laser source
A system and method for laser source detection. An exemplary embodiment of the system includes a first array of lenses, a second array of opto devices (including...
Direct one-step synthesis of trifluoromethyl iodide
A catalytic one-step process for the production of CF.sub.3I by reacting, in the presence of a source of oxygen, a source of iodine a reactant of the formula:...
Compliant mounting system for turbine shrouds
The mounting of low expansion full ring shrouds in a turbine engine requires radial compliance to limit the stresses experienced by the shroud due to thermal...
Composite tie rod
A composite tie rod comprises a plurality of coated fiber bundles stretched between two nut assemblies. Fiber holders, in combination with the nut assemblies,...
Luminaires for artificial lighting
A luminaire for distributing light rays from a light source may include a region configured to contain a lamp. The region may extend along a longitudinal axis of...
Unmanned underwater vehicle health monitoring system and method
A health monitoring system for an unmanned underwater vehicle (UUV) is disposed within a submerged docking station. The health monitoring system receive signals...
Digital output MEMS pressure sensor and method
A method and pressure-sensor system provide a digital-frequency output linearly proportional to a sensed pressure. The system comprises a MEMS pressure-sensing...
Suspension mechanism for high performance accelerometers
A suspension diaphragm (16) is configured to support a precision transducer (14) within a container (12). The suspension diaphragm (16) is buttressed by an...
Turbine speed control system and method
One embodiment of the invention provides a turbine control system that adjusts the control thresholds of two-position valves, which provide propellant to the...
Protective bus interface and method
Method and apparatus are provided for preventing faulty commercial-off-the-shelf (COTS) peripherals or I/Os from disabling the bus to which they are connected....
Magnetic switching with expanded hard-axis magnetization volume at
magnetoresistive bit ends
A magnetoresistive apparatus and method of operation with improved switching characteristics is provided. Switching of a magnetic direction of a magnetic layer...
Electronics packaging assembly with parallel circuit boards and a
An electronics packaging assembly (100) includes: an assembly housing (120); a plurality of printed circuit boards (110; 210) arranged in parallel within the...
Safety interlock circuit with diagnostics requiring no extra signal wires
A safety interlock circuit wherein the safety interlock switches can report their status. Signal generators associated with the safety interlock switches produce...
Method and system for reducing glitch effects within combinational logic
A method and system for reducing glitch effects in combinational logic is presented. If combinational logic incurs a particle-induced single event transient...
Wide dynamic range operational amplifier
An operational amplifier has a bias circuit, a differential amplifier, an output stage, and a feed forward circuit. The bias circuit provides a reference. The...
Enhanced floating reference frame controller for sensorless control of
A method and system for controlling a power converter coupled to a polyphase power line. The method includes measuring at least two motor phase currents,...
System and method utilizing a solid state power controller (SSPC) for
controlling an electrical load of a...
A solid state power controller (SSPC) (100) includes a power switching controller (30) and power switching devices (PSDs) (20A, 20B, 20C) for controlling each...
Plastic leadframe and compliant fastener
Packaging assembly method and systems include the use of a plastic substrate and one or more compliant fasteners, which can be connected to the plastic...
Highly selective silicon oxide etching compositions
Silicon oxide etching solutions containing the product of at least one bifluoride source compound dissolved in a solvent consisting of at least one carboxylic...
Self-aligned body tie for a partially depleted SOI device structure
A silicon-on-insulator (SOI) device structure 100 formed using a self-aligned body tie (SABT) process. The SABT process connects the silicon body of a partially...
Aryl-ureido benzoxazinone compounds
Fluorescent pigment compounds comprising aryl-ureido benzoxazinone compounds of the general formula (I): ##STR00001## wherein R.sup.1 is an substituted or...
Methods and systems for adjusting magnetic return path with minimized
Accelerometers having higher concentration of flux closer to the proof mass. The invention includes a proof mass, an excitation ring, a magnet, a pole piece, and...
Remote management of field devices in a manufacturing plant
A client connected to a field device management station (FDMS) by a wireless path. An operator can issue commands to any field devices from the client. As a...
LCD tile display
A liquid crystal display system having a plurality of liquid crystal display (LCD) units arranged in a tile configuration. The units simultaneously display...
Self-healing liquid contact switch
A self-healing liquid contact switch and methods for producing such devices are disclosed. An illustrative self-healing liquid contact switch can include an...
Processes for synthesis of tetrafluoropropene
Disclosed in one embodiment is a process for the synthesis of 1,3,3,3-tetrafluoropropene that comprises (a) reacting a compound of formula (I) X.sup.1X.sup.2...
Manufacturable single-chip hydrogen sensor
A robust single-chip hydrogen sensor and a method for fabricating such a sensor. By utilizing an interconnect metallization material that is the same or similar...
Conformal coverings for electronic devices
Stand-alone conformal coverings for electronic devices and methods of making and using such coverings.
Purification of difluoromethane
A method for separating difluoromethane from a mixture of difluoromethane and at least one impurity, the method involving extractively distilling the mixture...
Compressor including an enhanced vaned shroud
A compressor includes an enhanced vaned shroud and is configured such that the flow area ratio is equivalent to that of a conventional, non-vaned shroud. The...
Adjustable damper actuator
An actuator for controlling the position of a damper. It is an adjustable damper actuator that can actuate a damper to have positions that are other than fully...
Starting and controlling speed of a two spool gas turbine engine
Two spool gas turbine engines are often used to drive variable speed loads, such as an electric generator, or the fan/propeller of aircraft engines. The gas...