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Tire pressure augmented aircraft weight and balance system and method
A weight and balance system for accurately determining gross weight of an aircraft. The present invention integrates tire pressure measurements with strut...
System and method for gearbox health monitoring
A system includes a plurality of sensors configured to measure one or more characteristics of a gearbox. The system also includes a gearbox condition indicator...
Software-definable radio transceiver with MEMS filters
A transceiver apparatus comprising a software-definable-radio-transceiver architecture. The transceiver apparatus comprises at least one up-conversion path...
System for iris detection tracking and recognition at a distance
A stand-off range or at-a-distance iris detection and tracking for iris recognition having a head/face/eye locator, a zoom-in iris capture mechanism and an iris...
Systems and methods for improving pull-in performance in GPS signal
Systems and methods for avoiding non-linear behavior of conventional early-minus-late correlator-based code loop discriminators. The present invention provides...
Cold atom micro primary standard
An atomic clock having a physics package that includes a vacuum chamber cavity that holds atoms of Rb-87 under high vacuum conditions, an optical bench having a...
Apparatus and method for harvesting energy for wireless fluid stream
A method for harvesting energy for wireless fluid stream sensors is provided that includes locating a wireless fluid stream sensor in a fluid stream. The...
Ground contact switch for personal navigation system
A ground contact switch system comprises a first object configured to contact a ground surface during a stride, and one or more switches coupled to the first...
Compressor and compressor housing
A housing is incorporated as part of a compressor having blades that impart to a fluid a momentum along a main gas flow direction and a swirl. The housing...
Combustors and combustion systems for gas turbine engines
A combustion system includes a combustor having a forward annular liner having a first plurality of effusion holes, and an aft annular liner having a second...
Method for identifying keys for controlling locks
A system for controlling access to a secure area includes a lock and an electronic access device for controlling access to a secure area. The lock includes pins...
Internal audio multiplexing system for multi-channel radios
A method of providing audio transmissions from an electronic device having internal audio multiplexing is disclosed. The method comprises combining a plurality...
Security cellular radio activation and registration via SMS
A system and method for activating and registering a security system with a cellular provider using SMS messages is provided. The SMS messages used for...
Noise measurement for radio squelch function
A method implementable in an audio receiver having an input for receiving broadcast signals including a set of channels and a squelching controller includes...
Integrity of differential GPS corrections in navigation devices using
military type GPS receivers
A method and apparatus for calculating corrections to a navigation solution based on differential GPS data includes receiving GPS ephemeris from at least three...
System and method for indicating the field of view of a three dimensional
display on a two dimensional display
An aircraft display system is provided that is configured to render a perspective display having a field of view. The aircraft display system includes a monitor...
Metal semiconductor field effect transistor (MESFET) silicon-on-insulator
structure having partial trench spacers
In one embodiment, a metal-semiconductor field effect transistor (MESFET) comprises a first silicon layer, an insulator layer formed on the first silicon layer,...
Apparatus for electromagentically shielding a portion of a circuit board
An apparatus for electrically shielding electronic components is provided. The apparatus includes a circuit board having a first surface with a plurality of...
Shapable resin compositions
The present invention provides processes for the extrusion of a shapeable resin-containing composition as a foam, wherein said composition comprises at least...
Lid stock using oriented fluoropolymers
Fluoropolymer-containing lidding films for food, non-food and medical packages, including a two-piece sealed package having container and lid portions that are...
CVI followed by coal tar pitch densification by VPI
Method for manufacturing pitch-densified carbon-carbon composite brake discs from carbon fiber preforms, by the following sequential steps: (a) providing a...
Fuel filter and method of adding fuel additive to diesel fuel
Disclosed herein is an apparatus and method for adding a lubricating additive to a diesel fuel. In one exemplary embodiment a diesel fuel filter is provided,...
Infrared measurement of paper machine clothing condition
Infrared spectroscopy techniques are employed to measure (i) the moisture level in both the sheet of wet stock and the papermaking machine clothing on which the...
Gas sensor test system and methods related thereto
Embodiments of the present invention relate a gas sensor system comprising a gas generating device adapted to generate a test gas, a target gas sensor...
Emergency power engine restart system
An engine starting apparatus and method may allow for two methods of engine start where only one engine gearbox accessory pad exists off the aircraft engine. A...
Access control system with rules engine architecture
As access control system and method is provided. The access control system in one aspect may comprise a client application operable to provide a user interface...
MEMS based multiband receiver architecture
A receiver comprising at least one micro-electromechanical system (MEMS) antenna-select switch, a MEMS filter bank communicatively coupled to the antenna-select...
Secure wireless instrumentation network system
The present system having a secure wireless infrastructure with a key server acting as a key distribution center. The key server may be the core of the network,...
Automatic test equipment self test
A self test adapter (STA) for automatic test equipment (ATE) is provided. The STA includes an enclosure. A backplane is housed by the enclosure. A dual data bus...
Quarter cycle waveform detector
A method for extracting peak information from an amplitude varying sinusoidal waveform output from a sensor is provided. The method includes gating a counter...
Paralleled HVDC bus electrical power system architecture
A power generation and distribution system utilizes two or more AC generators each of which may be driven by a separate prime mover such as a turbine. The...
Melt spinning blends of UHMWPE and HDPE and fibers made therefrom
Compositions that are intimate blends of ultrahigh molecular weight polyethylene and high-density polyethylene (HDPE), and which are melt spinnable. The...
Azeotrope-like compositions comprising
An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of pentane, hexane,...
Systems and methods for a lightweight north-finder
Systems and methods for a lightweight north-finder. A method of using a north-finder includes a tube configured to fire munitions secured to a base in...
Systems and methods for self-test of a radar altimeter
Systems and methods for testing a signal generated by a Direct Digital Synthesizer (DDS) in a radar altimeter. In an embodiment of the method, a voltage signal...
Azimuthal equidistant projection navigation display and method
Methods and apparatus are provided for an azimuthal equidistant projection (AEP) aircraft navigational display. The apparatus comprises a generator providing...
Single lens splitter camera
A camera system may be used to capture iris images of targeted people who may be unaware of being targeted and hence their movement may not be constrained in...
Apparatus and method for redundant connectivity and multi-channel
operation of wireless devices
A wireless network includes leaf nodes (such as wireless sensors or other wireless devices) and infrastructure nodes (such as access points). The leaf nodes...
Bounded minimal latency for network resources without synchronization
Systems and methods for bounded minimal latency for network resources without synchronization are provided. In one embodiment, a method for managing data...
System and method for reducing laser phase noise in a resonator fiber
A resonator gyroscope comprises a reference laser generator to produce a reference light; a first slave light source to produce a first slave light locked to...
Aircraft collision avoidance system
A system for monitoring a volume of space surrounding an aircraft having a plurality of extremity portions includes a plurality of sensors. Each sensor is...
Silicon tab edge mount for a wafer level package
A Micro-ElectroMechanical Systems (MEMS) device having electrical connections (a metallization pattern) available at an edge of the MEMS die. The metallization...
Creating novel structures using deep trenching of oriented silicon
A potassium hydroxide (KOH) etch process can produce deep high aspect ratio trenches in (110) oriented silicon substrates. The trenches, however, are...
Additive dispensing device and a thermally activated additive dispensing
filter having the additive dispensing...
An additive dispensing device is provided. The additive dispensing device includes a reservoir configured to contain a supply of an additive. The reservoir is...
Systems for supplying oil from an oil source to a bearing assembly
Systems are provided for supplying oil from an oil source to a bearing assembly, the bearing assembly including a cage having a forward rail and an aft rail,...
Spaced lightweight composite armor
Lightweight, ballistic resistant articles are provided. More particularly, armor structures incorporating two or more spaced apart, ballistic resistant panels,...
Gearbox with removable oil tank
A gearbox for an auxiliary power unit (APU) includes a front side defining a generator interface configured to be coupled to a generator, the front side further...
ASIC compensated pressure sensor with soldered sense die attach
An ASIC compensated pressure sensor includes a sense die, an ASIC chip, and supporting elements. The sense die includes a metallized surface for attaching the...
Audio visual alarm housing
Scalable user interface system
Methods and apparatus are provided for a scalable user interface system. A user interface is divided into general reusable user interface components and...