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Fiber optic chemical sensor
Optical systems for sensing chemicals. An example system includes a light source, a light sensor, a processing device in signal communication with the light...
Intelligibility measurement of audio announcement systems
A measurement system and method combine an audio announcement system with a plurality of spaced apart sensors to evaluate intelligibility of audio output from...
Antenna system for a micro air vehicle
An antenna for a micro air vehicle (MAV) takes the form of a wrap-around antenna (e.g., wrapped around a portion of the MAV) that selectively emits radio signals...
Motor balanced active user interface assembly
An active user interface assembly includes a user interface, and one or more feedback motors coupled to the user interface. The one or more feedback motors, when...
Aerospace electrical power DC subsystem configuration using
multi-functional DC/DC converter
An apparatus for regulating voltage and aerospace electrical power systems are implemented. A multi-functional apparatus for regulating voltage, according to one...
Column grid array using compliant core
A method for forming interconnections within a column grid array is provided. The method involves casting one or more columns with at least a compliant core...
Method for producing fluorinated organic compounds
Disclosed is a method for producing fluorinated organic compounds, including petnafluoropropenes, which preferably comprises converting at least one compound of...
Method and system for stacking integrated circuits
A design for stacking integrated circuits is described. Some integrated circuits have multiple signal pads that are common between a top integrated circuit and a...
Erosion-protective coatings on polymer-matrix composites and components
incorporating such coated composites
A stator vane is provided that includes an airfoil and a coating. The airfoil comprises a polymer matrix fiber composite having a melting point, glass transition...
VPI-RTM-CVD brake disc preform densification
Method of manufacturing dense carbon-carbon composite material by: infiltrating a fibrous preform with pitch to form pitch-infiltrated preform; carbonizing the...
Intermetallic braze alloys and methods of repairing engine components
Intermetallic braze alloys and methods of repairing an engine component are provided. In an embodiment, by way of example only, an intermetallic braze material...
Ozone resistant O.sub.2/N.sub.2 separation membranes
Ozone resistant O.sub.2/N.sub.2 gas separation membranes comprise a polymer membrane and an ozone reacting component, such as an antioxidant. The antioxidant may...
Support dampers for bearing assemblies and methods of manufacture
A support damper is provided for a bearing assembly to improve the damping capabilities of an uncentered squeeze film damper and to provide a support structure...
A sensing apparatus for determining the pressure of a fluid includes first and second support members. The first and second support members are configured to...
Electrical connection of energy harvesting devices
An energy harvesting system and method. An array of cantilevers with PZT films is electrically connected to an energy harvesting device that converts vibration...
Compact, light weight eductor oil cooler plenum and surge flow plenum
An eductor assembly is provided that includes a primary nozzle, a cooler plenum, and a surge plenum. In one embodiment, and by way of example only, the primary...
Automatic translation of simulink models into the input language of a
A translator converts an input model, such as resulting from a simulation of a design to be verified, into an output model suitable for verification by a model...
Interface for writing to memories having different write times
An interface between memories having different write times is described. The interface includes a latch for capturing address and data information during a...
Controlling start up in a network
A method for controlling start-up of a network is provided. The method includes receiving a message from one node of a plurality of nodes at a hub while the...
Gas supported inertial sensor system and method
An inertial navigation system is provided. The system includes a sensor block, an outer shell that substantially surrounds the sensor block and a plurality of...
Systems and methods for utilizing pulsed radio frequencies in a ring laser
Ring laser gyroscope that includes a gyroscope block, a radio frequency transmitting device, and a radio frequency energy source. The gyroscope block has at...
Reliable low loss hollow core fiber resonator
An optical coupling device for connecting hollow core optical fiber coils in a fiber optic gyro system. An example fiber optic gyro system includes a...
Automatic display video positioning and scaling system
An apparatus and method of automatically digitizing analog video and stroke and with size and positioning information. This is accomplished using signal...
RFID key switch with integrated key circuitry
A system and method for enhanced security by incorporating RFID processing circuitry within a key switch assembly. The RFID key switch assembly includes four...
Siloxane polymers and uses thereof
A method for preparing a siloxane polymer comprising the steps of (a) providing an aldehyde-based redox initiator; and (b) reacting said redox initiator with a...
Matrix nanocomposite sensing film for SAW/BAW based hydrogen sulphide
sensor and method for making same
A method can be adapted for design and preparation of a matrix nanocomposite sensing film for hydrogen sulphide SAW/BAW detection at room temperature. A matrix...
Nanolaminate thermal barrier coatings
An article having a thermal barrier coating includes a superalloy substrate having a columnar grained ceramic coat formed thereon. The ceramic coat includes a...
Azeotrope-like compositions of 1-chloro-3,3,3-trifluoropropene and methyl
An azeotropic or azeotrope-like composition comprising a mixture of methyl iodide, 1-chloro-3,3,3,-trifluoropropene, and optionally one or more of fluorocarbons...
Method and apparatus for measuring fiber orientation of a moving web
An image-based measurement technique that directly measures the orientation of fibers in a moving web that comprises nonwoven material measures the orientation...
Magnetic displacement pump and compressor
A device for pumping and compressing fluids, particularly in micro-liter quantities. First and second polarized cylindrical magnets are mounted in a cylinder...
A valve assembly configured to be mounted on a support structure comprises a flowbody having a first port, a second port, and a flow passage there between. A...
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...
Method of peripheral type identification in a system of circumvention and
A method of implementing a circumvention and recovery system comprising conveying peripheral identifiers to a controller, and determining a level of...
Fault detection system and method for turbine engine fuel systems
A system and method is provided that facilitates improved fault detection. The fault detection system provides the ability to detect symptoms of fault in the...
Method and system for controlling sets of collinear control moment
gyroscopes with offset determination without...
A control system of a spacecraft for controlling two or more sets of collinear control moment gyroscopes (CMGs) comprises an attitude control system. The...
System for monitoring RNP for safe terrain clearance
Systems and methods for monitoring Required Navigational Performance (RNP) Procedures and reducing nuisance Enhanced Ground Proximity Warning System warnings...
System and method of redundancy management for fault effect mitigation
Methods and systems are provided for redundancy management of a fly-by-wire avionics system. A control module for producing a control signal is provided...
HVAC zone control panel with checkout utility
A zone control panel may be adapted to accommodate a method of verifying communication and/or connections between the zone control panel and one or more...
HVAC zone control panel with constant function buttons
A zone control panel that is easy and intuitive to use and to program. In some embodiments, a zone control panel may be configured to have an easy to use, single...
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...
Self-organization of sensor networks using ant colony optimization
A system and a method for organizing optimal paths in a sensor network. Optimal paths are determined based on an objective function that balances the performance...
SRAM split write control for a delay element
A Static Random Access Memory (SRAM) having a split write control is described. The SRAM includes bit, write, and write-word lines. Each memory cell within the...
Methods and apparatus for reducing radio frequency emissions in
fluorescent light lamps
Methods and apparatus are provided for increasing the life of a fluorescent lamp suitable for use as a backlight in an avionics or other liquid crystal display...
Method and apparatus for mechanical phase synchronization of multiple AC
An apparatus performs mechanical phase synchronization of multiple AC generators in an electrical power distribution system. The apparatus according to one...
Bonding system having stress control
An approach where items of different temperatures are bonded to each other such that upon cooling down they contract in size resulting in zero residual stress...
Target assemblies, targets, backing plates, and methods of target cooling
The invention includes backing plates having coolant deflectors with at least a portion of each of the deflectors being nonlinear. Projections projecting from...
High strength aluminum alloys for aircraft wheel and brake components
An iron-containing heat-resistant aluminum-based alloy product consisting essentially of, in weight percent: up to 0.15% chromium, 0.80-1.20% copper, 0.80-1.20%...
Recirculating Coanda water extractor
A recirculating water extractor includes a swirl vane, a converging nozzle, and two sumps. The recirculating water extractor may be designed to reintroduce...
Luminaire with a one-sided diffuser
A luminaire is provided with a one-sided diffuser, located a predefined distance below the light output ports, in order to efficiently distribute light through...
Rudder pedal assembly including non-parallel slide rails
A rudder pedal assembly exhibits sufficient ergonomic feel for a pilot, and is relatively small in overall size. The rudder pedal assembly includes a plurality...