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An electrical limit switch (10) is provided and comprises a number of contact elements (30) each having a slot (32) with inner cutting edges (34) for penetrating...
Nested attachment junction for heat exchanger
Heat exchangers of this invention include a shell having an inner chamber defined by an inside wall surface, and having at least one opening adjacent an end of...
Wireless gas composition sensor system
A sensor system for detecting the presence of at least one specific component in a fluid medium such as an exhaust gas. A sensor is mounted in a sensor body for...
Caching process data of a slow network in a fast network environment
A caching method and system for a control system having a fast network and a slow network that each contain devices involved in the control of a process is...
Distribution theory based enrichment of sparse data for machine learning
A technique for enriching sparse data for machine learning techniques such as supervised artificial neural network includes receiving the sparse data and...
Automatic thermal conductivity compensation for fluid flow sensing using
An automatically compensated fluid flow sensor uses chemometric analysis to produce a compensated fluid flow measurement. A compensation measurement having at...
System and method for image luminance transformation
An image conversion system for altering an image to adjust the overall brightness of the image when displayed is provided. The image conversion system includes a...
Two-dimension digital ratiometric decoder
A two-dimensional all-digital ratiometric decoder to analyze signals representative of state changes in a closed loop control system. In one embodiment, the...
Monitoring system and method
An apparatus and method monitor the operational status of one or more other systems or components. Each of the other systems has a primary operational function...
Integrated three-dimensional magnetic sensing device and method to
fabricate an integrated three-dimensional...
An integrated three-dimensional magnetic or any field sensing device and a method to fabricate an integrated three-dimensional magnetic sensing device is...
Asymmetrical AMR wheatstone bridge layout for position sensor
A magnetic sensor includes a magnet located proximate to a target comprising a plurality of teeth and a plurality of slots formed therebetween. An integrated...
System and method for identifying, reporting, and evaluating presence of
A system and method for identifying, reporting, and evaluating a presence of a solid, liquid, gas, or other substance of interest, particularly a dangerous,...
Hybrid electrical ice protection system and method including an energy
A hybrid electrical ice protection system implements three ice protection methods in various combinations. The ice protection methods include the ...
Apparatus and method for cooling heated fluids, such as exhaust gases, flowing through a heat exchanger comprising one or more exhaust plenums and one or more...
Recuperator and turbine support adapter for recuperated gas turbine
A recuperator and turbine support adapter for securing a recuperator to a combustor case is provided. The recuperator and turbine support adapter comprises an...
Method for controlling carbon formation on repaired combustor liners
A method for controlling combustor liner carbon formation on repaired combustors includes making modular effusion panel subassemblies remote from the combustor...
System and method of fault detection in a warm air furnace
A fault detection system and method for a warm air furnace is provided. A sensing circuit connected to an AC power source measures a level of current consumption...
Temperature compensated low voltage reference circuit
A temperature compensated low voltage reference circuit can be realized with a reduced operating voltage overhead. This is accomplished in several ways including...
Control apparatus for a starter/generator system
A control apparatus (202) for a starter/generator (110) of an aircraft electrical power system is provided. During a start mode of operation, AC power is...
This invention provides security articles comprising fibers, threads and fiber sections ("dots") possessing multiple verification characteristics. The fibers...
Adapter for low volume air sampler
An adapter for use with a low volume PUF sampler is described. The adapter is affixed over the open end of a PUF (polyurethane foam) sample cartridge. Sample...
Damped bearing cage
Method and apparatus are provided for reducing vibration in bearings. There are provided first and second bearing rings with races, rotating members rollingly...
Compact high-brightness fluorescent lamp system
A fluorescent lamp system is provided that facilitates high-brightness in a compact size needed for liquid crystal displays. The fluorescent lamp system...
Methods and systems for estimating weapon effectiveness
Methods and systems for providing an estimate of effectiveness of a selected weapon against a selected target prior to release of the weapon are described. One...
Security system with serial number coding and methods therefor
Using an existing system of formatting for RF message transmission and receiving, additional information can be sent to an alarm control panel to sort classes of...
Alignment of a flight vehicle based on recursive matrix inversion
A method for recursively determining alignment of a flight vehicle during flight is provided. The method includes generating data in a reference coordinate frame...
Nonvolatile memory vertical ring bit and write-read structure
A magnetoresistive memory cell and array are provided for nonvolatile storage of binary information. According to an embodiment, a memory cell has a ring-shaped...
MEMS based garage door sensor
A MEMS based overhead garage door intrusion sensor for a security system, such as a residential/home security system, for detecting an intrusion through an...
Wireless light sensor input to a security system
The present invention relates to a system and method for the wireless light sensor input to a security system, wherein the light sensed by the light sensor is...
Current transformer test device and method
A current transformer test device and a method implemented using the test device, is useful to verify proper CT installation and operation, and does not rely on...
Energy storage flywheel test control system
A system and method for removing energy from the rotating group in an energy storage flywheel system during flywheel system testing includes one or more sensors...
Piezoelectric step-motion actuator
A step-motion actuator using piezoelectric material to launch a flight mass which, in turn, actuates a drive pawl to progressively engage and drive a toothed...
High temperature oxidation inhibitors for carbon-carbon friction materials
Coated articles (19) that comprise components, made of carbon fiber or carbon-carbon composites which may be configured, for example, as aircraft landing system...
Compressor wheel and shield
An exemplary shield includes an attachment mechanism disposed on an outer surface to attach the shield to a joint of a boreless compressor wheel and a passage...
Remote visual liquid quantity indicator
A remote visual liquid quantity indicator comprises a flexible cable within a flexible outer sleeve and allows a user to remotely determine the level of a liquid...
Budget transfer mechanism for time-partitioned real-time operating systems
A method is provided for optimizing CPU budgets associated with at least first and second threads executable in a time-partitioned real-time operating system....
Ground runway awareness and advisory system
A Ground Runway Awareness and Advisory System (GRAAS) that provides supplemental position information and airport situational awareness alerts and advisories to...
GPS/IMU clock synchronization particularly for deep integration vector
A navigation system includes an inertial measurement unit, a navigation computer, a GPS receiver, and a clock controller. The inertial measurement unit has a...
Architectures for CPP ring shaped (RS) devices
A current-perpendicular-to-plane (CPP) ring-shaped (RS) magnetoresistive random access memory (MRAM) element is provided in several embodiments including...
Wi-Fi premises to vehicle telematics interface
A Wi-Fi (Wireless-Fidelity) premises/home to vehicle telematics interface system is provided that uses Wi-Fi technology to enable communications between a...
Specific location of hall chips for sensing redundant angular positions
A Hall-effect sensor apparatus, system and method. In general, a substrate having a surface can be provided. A plurality of Hall-effect sensing elements can then...
Method and system for providing current limiting controllers for high
reactance permanent magnet generators
A system and method is provided for overload and fault current protection of a permanent magnet generator. The system comprises a permanent magnet machine, a DC...
Power converter controlling apparatus and method providing ride through
capability during power interruption in...
A method of controlling a power converter (20) of a motor drive system (10)controls the power converter (20) during a first operating mode by applying a current...
Chemical agent sensor having a stationary linear fringe interferometer
A sensor having an input to an interferometer. The input may receive emissions from a detected fluid. The output of the interferometer may be focused on an array...
Braze-based protective coating for silicon nitride
A component comprising a silicon-based substrate and a braze-based protective coating disposed on the silicon-based substrate. The braze-based coating comprises...
Drawn gel-spun polyethylene yarns and process for drawing
Gel-spun multi-filament polyethylene yarns possessing a high degree of molecular and crystalline order, and to the drawing methods by which they are produced....
Controller interface with multiple day programming
A controller equipped with a user interface having multiple-day programming capabilities, including methods of programming such devices, are disclosed. The user...
Active armor protection system for armored vehicles
A sensor system for defending armored vehicles against projectiles through the use of active armor. A thermal sensor detects a projectile's presence, and a laser...
Method for fabricating giant magnetoresistive (GMR) devices
In a method of fabricating a giant magnetoresistive (GMR) device a plurality of magnetoresistive device layers is deposited on a first silicon nitride layer...
Passive mixer with improved linearity
A mixer circuit is disclosed that includes a first mixer stage including first and second transmission gates. The mixer circuit also includes a second mixer...