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Compact resonator fiber optic gyroscopes
Substantially symmetric RFOG configurations for rotation rate sensing using two input/output coupling components. Configurations are disclosed where optical...
Method and system for determining angular position of an object
A method and system for determining the angular position of an object are disclosed. As one example, a method for determining the angular position of an object...
Methods and systems for detection of hazard to aviation due to convective
Systems and methods for improving output of weather information. A weather radar system receives weather reflectivity values. A processing device stores the...
System and method for rendering a primary flight display having a
conformal terrain avoidance guidance element
A flight deck display system and related operating methods for an aircraft are provided. The system includes a processor architecture and a display element...
Chip-scale atomic clock with two thermal zones
A chip-scale atomic clock comprises a physics package and a laser die located in a first thermal zone of the physics package. A quarter wave plate is mounted in...
Low noise differential charge amplifier for measuring discrete charges in
noisy and corrosive environments
A low noise differential charge amplifier circuit for measuring discrete (e.g., pico coulomb) charges in noisy, elevated temperature and corrosive environments....
Quantum dot solar cell with conjugated bridge molecule
A solar cell including a quantum dot, an electron conductor, and a conjugated bridge molecule disposed between the quantum dot and the electron conductor. The...
Method and system for restraining a chemical discharge
A method for restraining a chemical discharge comprising (a) deploying a binding agent into a receptacle containing a hazardous material in a liquid state upon...
Process for the production of HFO trans-1234ze from HFC-245fa
This invention relates a process for the manufacture of the HFO trans-1,3,3,3-tetrafluoropropene (HFO trans-1234ze). More particularly, the invention pertains...
Method for producing fluorinated organic compounds
Disclosed is a process for producing tetrafluoropropene comprising: (a) catalytically fluorinating at least one tetrafluoropropene in a first reactor to produce...
Azeotrope-like compositions of trans-1,1,1,4,4,4-hexafluoro-2-butene and
Provided are azeotropic and azeotrope-like compositions of trans-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz(E)) and water. Such azeotropic and azeotrope-like...
Demand control ventilation sensor failure
Demand ventilation protocols can address the issue of sensor failure while still providing desirable levels of energy conservation. An occupancy indicator such...
Adaptive spark ignition and flame sensing signal generation system
A signal generation system for flame ignition and sensing. The ignition signal generation is adaptive for improving flame ignition while eliminating excess...
Modular pressure sensor
A pressure sensor device for a modular pressure sensor package is provided, comprising a substrate having a pressure port that extends through the substrate...
Microelectromechanical (MEMS) accelerometer and acceleration sensing methods. A MEMS accelerometer includes a proof mass suspended by at least one hinge type...
Compositions containing fluorine substituted olefins
Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including connection with...
Display systems with enhanced symbology
A see-through display system includes a processing unit configured to receive data representative of geo-referenced symbology and terrain data, to compare the...
Predicted path selection system and method for hazard coding in
selectively constrained aircraft control systems
A surveillance system detects potential hazards and alerts the pilot to them. The alerts can be modified to indicate proximity to the predicted path of the...
Apparatus and method for isolation and power handling in a radio frequency
A transmit/receive switching circuit is provided. The transmit/receive switching circuit comprises a first transformer to split a transmission signal into a...
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...
Multi-pose face tracking using multiple appearance models
A system and method are provided for tracking a face moving through multiple frames of a video sequence. A predicted position of a face in a video frame is...
Systems and methods for detecting a signal across multiple Nyquist bands
Systems and methods for detecting a signal across multiple Nyquist bands. The systems include an analog to digital converter (ADC), a clock signal generator...
Method for enhancement of multicasting forwarding protocol in a wireless
A method for enhancing the reliability of a simplified multicasting forwarding protocol in a wireless network is provided. The method comprises establishing a...
System and method for redundant switched communications
Apparatus, systems, and methods are provided for redundant switched communications among end users in a network. The apparatus includes an interface for...
Tensioned scanner rails
A rail system made of one or more flexible guide rods, each consisting of a tension rod, is used to support lightweight, mobile devices such as carriages,...
Biometric data collection system
A data collection system having a touch screen and sensors behind the touch screen for obtaining biometric data about the user. While the user is making entries...
Flexible active matrix display backplane and method
An active matrix display includes an annealed flexible dielectric substrate, a thin-film-transistor (TFT), a pixel electrode, and an interconnect. The annealed...
Method for cross-range enhancement of real-beam radar imagery
Methods and apparatus for enhancing the resolution of a radar image in the cross-range direction. An example method includes receiving a plurality of received...
Methods and apparatus to assist pilots under conditions in which spatial
disorientation may be present
Embodiments include systems and methods for assisting a pilot of an aircraft. The system includes a near-eye display and a processing subsystem. The near-eye...
Method for producing 2,3,3,3-tetrafluoropropene
A method for preparing 2,3,3,3-tetrafluoropropene comprising contacting a reactant comprising CCl.sub.2.dbd.CFCH.sub.2Cl with a fluorinating agent, such as HF,...
A polymer blend including: (i) a fluoroolefin polymer prepared by a process, including contacting in a first reaction zone an initiator, ...
Compressor with variable-geometry ported shroud
A compressor having a variable-geometry ported shroud includes a compressor housing defining an inlet duct, a shroud, and a bypass passage. A variable-geometry...
Adjustable mounting vibration isolator
A device of the invention includes a vibration isolator with an elastomeric damper and inner and outer connectors. The inner connector has external and internal...
Method of flip chip mounting pressure sensor dies to substrates and
pressure sensors formed thereby
A method of forming a sensor for sensing a physical property of a media. A substrate is provided having circuitry thereon including at least one electrical...
Inertial sensor misalignment and compensation
An apparatus for providing information pertaining to the orientation of a vehicle to which the apparatus is coupled includes a chassis having a first interior...
Low cost aircraft center of gravity monitoring systems and methods
Systems and methods for determining center of gravity for an aircraft. An example system includes one or more load measurement devices that generate one of nose...
Configurable automotive controller
An engine control unit having a one-time integration of a model predictive control template via a potentially long software process. Changes to the control...
Airport lighting aid simulation system
An airport lighting aid simulation system comprises a data storage unit configured to store lighting aid data relating to a plurality of airports. The lighting...
Multivariable process controller and methodology for controlling catalyzed
chemical reaction to form phthalic...
A multivariable method and process controller is for controlling a catalyzed chemical reaction to form phthalic anhydride (PA), produced by a production unit...
Apparatus and method for capturing information during asset inspections in
a processing or other environment
An asset information collection device can be used during inspections of assets in a processing, production, or other system. The asset information collection...
Method for discerning a desired signal from an interfering signal in an
under sampled system
Described herein are methods and apparatuses for receiving a desired signal at a signal receiver with an undersampling frequency. A signal converter with a...
Distance adaptive routing protocol
A method of routing packets in an ad-hoc network is provided. The method determines a hop count for a route. Then, a redundancy value is calculated based on the...
Methods of improving the lightning immunity for an SSPC based aircraft
electric power distribution system
A solid state power controller (SSPC) often contains electronic circuitry which could be damaged or upset by the excessive transient voltages induced by the...
An optical lens system that focuses both a first band of wavelengths and a second band of wavelengths onto a common focal plane. In some cases, the lens system...
Hierarchichal rapid serial visual presentation for robust target
A system and method of efficiently and effectively triaging an image that may include one or more target entities are provided. An image that may include one or...
Method and aircraft display system for generating three dimensional image
A rendering technique for generating a three dimensional (3D) image is provided. The technique includes the steps of collecting 3D data, writing the 3D data...
Inference of turbulence hazard from proximity to radar turbulence
Systems and methods for conveying turbulence hazards to a flight crew. An exemplary weather radar system includes a three-dimensional buffer, a processor, and a...
Low cost current and temperature sensor
A battery health or prognosis system may employ a ferrite disc embedded in a printed wiring board (PWB) to perform both a battery current sensing role and a...
Generator control unit with fast field discharge
A generator control unit for fast field discharge of a field coil is disclosed. The generator control unit comprises a control domain for detecting an excessive...
Overload control of an electric power generation system with unknown
availability of mechanical power capacity
A control system for an electrical power generation system (EPGS) provides overload protection without disconnecting a generator of the EPGS from an excessive...