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Triple-loop fluorescent lamp driver
A driver circuit provides electrical energy from a power source to a fluorescent lamp such as that used in a flat-panel or other liquid crystal display (LCD)....
Deep filter element suitable for replacing a shallow filter element and
having a support frame made from thin stock
A deep format filter element has a peripheral frame with outwardly protruding mounting flanges. The mounting flanges simulate the periphery of a shallow format...
Thrust reverser actuator system flex shaft assembly
A thrust reverser system drive shaft assembly is provided that includes a first shaft and a barrel. The first shaft has an end section and comprises an...
Method and system for pilot light safety
A gas valve includes a gas inlet in fluid communication with a first chamber, a second chamber in selective fluid communication with the first chamber, a gas...
Leading edge erosion protection for composite stator vanes
The present invention provides a turbofan engine including leading edge erosion protection for composite stator vanes contained therein. The composite stator...
Shaft oil purge system
A shaft oil purge system comprises an entrance seal, an exit seal and a buffer air flow. The entrance seal comprises a circumferential carbon seal running on an...
Multi-platform LED-based aircraft rear position light
An aircraft rear position light device (1) has a modular configuration. The device utilizes solid-state light sources. In an exemplary embodiment, the light...
Hermetic attachment method for pressure sensors
A pressure sensor includes a sensor die coupled to a glass support tube and located within a metallic intermediate sleeve. The glass support tube is bonded or...
Indoor air quality and economizer control methods and controllers
Supervisory controllers, and methods, for use in a coordinated IAQ and economizer system. Various control objectives are defined and met. Some illustrative...
Drive for using a direct driven generator to start a counter-rotating
multi-spool gas turbine engine
A drivetrain for a multi-spool counter rotating gas turbine engine may include a lay shaft for connecting a power turbine shaft of the engine with a gas...
Bypass duct boss repair technology
The present invention provides a bypass duct and boss assembly comprising: a bypass duct having an exterior surface, an interior surface, an edge surface, an...
Inflatable docking station/garage for Mars rover
An inflatable docking station for a Mars roving vehicle (Mars rover) provides a recharging station as well as a storage facility for the Mars rover during...
Single event functional interrupt detection system
A method for detecting a single event functional interrupt for an electronic circuit is provided. The method involves periodically generating a refresh signal...
Computer apparatus for interconnecting an industry standard computer to a
proprietary backplane and its...
A computer apparatus that interconnects a standard commercial off the shelf (COTS) computer to a proprietary system. The standard COTS computer replaces a...
Backward chaining with extended knowledge base network
Mixed mode inferencing is provided by creating an extension to a RETE network to handle both forward and backward chaining efficiently. The extended RETE network...
Methods and systems for intelligibility measurement of audio announcement
A measurement system and method combine an audio announcement system with a plurality of spaced apart wirelessly coupled devices which evaluate speech...
Liquid cooled electronic chassis having a plurality of phase change
A system and method of thermal management of electrical and electronic systems and components that adequately maintains the temperatures of the system...
Dynamic lateral deviation display
A method of dynamically displaying lateral deviation in formats on a display is provided. The method comprises assigning one or more positional boundaries for...
Circuit board damping assembly
A circuit board damping assembly provides a damping node for a circuit board coupled in spaced relationship to another circuit board or chassis. The circuit...
Cellulose reinforced resin compositions with wax blend
The present invention provides an extrudable reinforced resin-containing composition comprising resin capable of plastic flow, reinforcing material, and a...
Over center high deflection pressure energizing low leakage seal
A low leakage seal for separating two environments and contacting a component surface is provided. The seal includes a base and an annular rib. The annular rib...
Hybrid deicing system and method of operation
This invention overcome the disadvantage of the prior systems and produces a high velocity specially formed and constituted pressure aerodynamic stream for...
Support means for an acoustic liner used in an auxiliary power unit
The present invention provides support means for an acoustic liner in an APU exhaust system, where the acoustic liner has a tubular sidewall with an outer...
Composite muffler for use with airborne auxiliary power unit
The present invention provides a composite muffler for use with an auxiliary power unit. The composite muffler comprises a composite outer can, an annular...
Fuel metering system proportional bypass valve error compensation system
A method and system for controlling fuel flow in a fuel metering system that includes a metering valve and a proportional bypass valve that produces a...
Amplified flow through pressure sensor
A MEMS based pressure sensor for flow measurements includes a pressure sense die located between a media seal and a conductive seal. Such a system includes a...
Temperature controller housing
Rice lossless compression module
A Rice coding data compression module includes a memory interface operable to receive sensor data from memory, a data normalization module operable to normalize...
Pulse width modulated servo clutch driver
Disclosed is a system and method for controlling a clutch associated with a solenoid using a pulse width modulated (PWM) signal, which keeps the current through...
Neuronal sensor networks
A method for detecting significant events using neuronal sensor networks is provided. The method includes monitoring an environment surrounding a plurality of...
System and method for detecting unauthorized access to electronic
equipment or components
An improved system and method for protecting sensitive electronic equipment or components against unauthorized access, by detecting and also reacting to...
Method for determining state of charge of lead-acid batteries of various
In accordance with various embodiments, there is a method for determining the state of charge of a battery. Various embodiments include the steps of determining...
Electrode connector for ring laser gyros
A laser block assembly (LBA) gas fill process device with improved cathode electrode connectors. An example device includes a gas fill component that attaches to...
Cladded axial motor/pump piston and method of producing same
A method of producing a piston that involves providing a piston body formed of a first material, the piston body having a cylindrical portion having a diameter,...
Method for calibrating a turbocharger
A calibration flow position of a variable nozzle (6) of a turbocharger is set by a method for calibrating the turbocharger, which comprises a turbine (2) and a...
Working fluids for thermal energy conversion of waste heat from fuel cells
using Rankine cycle systems
A process for recovering waste heat which comprises: (a) passing a liquid phase working fluid through a heat exchanger in communication with a process which...
Health monitoring in a system of circumvention and recovery
A system comprises at least one non-hardened processor configured to run a plurality of mission related processes; at least one threat detector configured to...
Testing control methods for use in current management systems for digital
Systems and methods for Current Management of Digital Logic Devices are provided. In one embodiment a method for calibrating a digital logic circuit current...
Systems and methods for current management for digital logic devices
Systems and methods for Current Management of Digital Logic Devices is provided. In one embodiment, a method of current management for a digital logic circuit is...
Method for targeting a source of an incoming laser
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...
Polyamide blend composition having excellent gas barrier performance
High gas barrier, delamination-resistant polyamide compositions suitable for extended shelf-life packaging applications are provided. Also provided are polyamide...
An exemplary controller includes a control valve that includes an electric actuator operatively coupled to a valve stem, a piston operatively coupled to one or...
Complementary giant magneto-resistive memory with full-turn word line
A magneto-resistive memory system is presented that includes a radiation-hardened and low power memory cell. The magneto-resistive memory cell includes a word...
Giant magnetoresistive device with buffer-oxide layer between seed and
ferromagnetic layers to provide smooth...
An enhanced giant magnetoresistive device, and a method of manufacturing the same. The enhanced giant magnetoresistive (GMR) device includes a substrate over...
Systems and methods for evaluating geological movements
Systems and methods for monitoring and tracking transients caused by geological events are provided. In one embodiment, a geological event monitoring system is...
A magnetic sensor, system and method include a magnet located proximate to a target comprising a plurality of teeth and a plurality of slots formed therebetween....
Structured adsorbent media for purifying contaminated air
A method for purifying breathing air using a carbon-based monolith structure impregnated with copper, silver, zinc, and molybdenum species and...
Antiferromagnetic stabilized storage layers in GMRAM storage devices
A giant magnetoresistive memory device includes a magnetic sense layer, a magnetic storage layer, a non-magnetic spacer layer between the magnetic sense layer...
Mask for shielding impellers and blisks during automated welding
A mask is provided for shielding a radially extending edge of an impeller vane during a weld repair process, where the impeller vane extends radially and axially...