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Scanner diagnostics utilizing three axis accelerometers
Numerous failure modes, causes, and adverse operating conditions on scanner systems exhibit mechanical signatures that are detected by three-axis accelerometers...
Reconfigurable wireless modem adapter including diversity/MIMO modems
A reconfigurable wireless modem adapter is provided. The reconfigurable wireless modem adapter includes a control board and a radio frequency switch. The...
Low cost high speed spark voltage and flame drive signal generator
A system for generating a high DC voltage for a spark to ignite a flame in a combustion device, and a high AC voltage for a flame rod to sense a flame in the...
Fabrication techniques to enhance pressure uniformity in anodically bonded
A method of fabricating vapor cells comprises forming a plurality of vapor cell dies in a first wafer having an interior surface region and a perimeter, and...
Integration of MEMS and CMOS devices on a chip
A method of forming CMOS circuitry integrated with MEMS devices includes bonding a wafer to a top surface layer having contacts formed to CMOS circuitry. A...
Quantum dot solar cell
A solar cell including a quantum dot and an electron conductor, with a bifunctional ligand disposed between the quantum dot and the electron conductor. The...
Turbine blades and methods of forming modified turbine blades and turbine
Turbine blades and methods of forming modified turbine blades and turbine rotors for use in an engine are provided. In an embodiment, by way of example only, a...
Damper control system
A damper control system having energy efficient mechanisms. The system may use a heat-to-electric power converter such as a thermopile. Heat may come from a...
Powder feed cylinder assemblies and powder feeders
Powder feed cylinder assemblies and powder feeders are provided. A powder feed cylinder assembly includes a cylinder, a bit, and bushings. The cylinder has a...
Pressure sensor with low cost packaging
A pressure sensor is disclosed that may include a minimum amount of fluid coupling packaging. In one illustrative embodiment, a pressure sensor assembly may...
Media isolated differential pressure sensor with cap
A differential pressure sensor includes two pressure ports for allowing media to pass into contact with both the top and bottom sides of the diaphragm. A...
Enhanced vision system for precision navigation in low visibility or
global positioning system (GPS) denied...
A method of generating an image of a volume ahead of an aerial vehicle is provided. The method comprises determining a position of the aerial vehicle and...
Apparatus and method for automated closed-loop identification of an
industrial process in a process control system
An apparatus, method, and computer program are provided for automated closed-loop identification of an industrial process in a process control system. Multiple...
Systems and methods for resonator fiber optic gyroscope intensity
Systems and methods for improved resonator fiber optic gyroscope intensity modulation control are provided. In one embodiment, a resonant fiber optic gyroscope...
Security system using LADAR-based sensors
A security sensor system comprises one or more laser detection and ranging (LADAR) sensors configured for accumulation of three-dimensional image data. In one...
Fluttering illumination system and method for encoding the appearance of a
A fluttering illumination system and method for encoding the appearance of a moving subject includes an image capturing device, a lens, a shutter, an...
Methods for reducing artifacts in near-to-eye display systems
Provided are methods and systems for reducing visual distortion in near-to-eye ("NTE") visual display systems that is worn, at least partially, on a viewer's...
System and method of monitoring personal protective equipment
A multi-level equipment configuration monitoring system can include a plurality of RFID tags associated with respective user protective elements such as...
Robust digital voltage regulator
A system and method are disclosed for regulating a generator controlled power signal. An exemplary embodiment of the system may include both a digital voltage...
Limit switch assembly
A limit switch assembly includes a housing having a first end, a second end, an inner surface that defines an inner volume and a spring engagement surface, and...
Integrated connector shield ring for shielded enclosures
Methods and apparatus for shielding enclosures having connector apertures result in effective electromagnetic isolation of the electromagnetic environment...
Carbon nanotube sensor
Carbon nanotubes are formed on projections on a substrate. A metal, such as nickel is deposited on the substrate with optional platforms, and heated to form the...
Catalyst life improvement for the vapor phase manufacture of
This invention achieves a catalyst life improvement for the catalyzed vapor phase reaction of 1,1,1,3,3-pentachloropropane with hydrogen fluoride to form...
Sacrificial layers made from aerogel for microelectromechanical systems
(MEMS) device fabrication processes
Systems and methods for processing sacrificial layers in MEMS device fabrication are provided. In one embodiment, a method comprises: applying a patterned layer...
Cable interface device
A cable interface device is provided for physically and electronically connecting two devices. The cable interface device comprises a first pin pickup assembly...
Engine components and rotor groups
Engine components and rotor groups are provided. In an embodiment, by way of example only, an engine component includes an impeller and a protective sleeve. The...
Turbine blade assemblies and methods of manufacturing the same
A turbine blade assembly includes an airfoil, a platform, and a first cover plate. A center flow path extends through the platform in communication with an...
Air cooled turbine blades and methods of manufacturing
An air-cooled turbine blade and methods of manufacturing the blade are provided. The blade includes a suction side flow circuit formed within its interior and...
Compressor scrolls for auxiliary power units
A compressor scroll is provided for redirecting an airflow from a compressor. The compressor scroll includes a spiral-shaped body; a radial inlet formed in the...
A humidifier for adding humidity to an air stream of an HVAC system includes a housing configured to be mounted to a surface of an HVAC duct. The housing may be...
Actuator flow compensated direct metering fuel control system and method
A system and method for controlling the fuel flow rate in a direct metering fuel control system to compensate for actuator flow. The system includes a fuel...
Bi-modal turbine assembly and starter / drive turbine system employing the
A bi-modal turbine assembly is provided for use in conjunction with a gas turbine engine. In one embodiment, the bi-modal turbine assembly includes a housing...
System for determining real time network up time
The inventive system and method for determining the availability of a computer network comprises a device operable to connect to at least the computer network...
System and method for product deployment and in-service product risk
Methods and systems are provided for predicting the reliability of a plurality of products that will be deployed during a product deployment period comprising a...
Antenna for a building controller
The present invention relates generally to building controllers, and more particularly, to antennas for providing wireless communication capabilities in such...
Method and system for generating weather and ground reflectivity
A method, system, and computer program product for storing weather radar return data into a three-dimensional buffer. The system located on an aircraft includes...
Circuitry to monitor and control source of radiant energy in smoke
A photo-electric smoke detector includes a source of radiant energy and a closed loop control circuit which responds to a radiant energy feedback signal to...
Inexpensive mass market alarm system with alarm monitoring and reporting
A monitoring system includes a plurality of sites being monitored for predetermined events. One or more sensor at each site detect at least one predetermined...
Method and system for improving electrical load regeneration management of
Regenerated power from actuation loads of an aircraft may be returned to the distribution bus of the aircraft. In the past, actuators were either hydrostatic or...
Quantum dot solar cell
A solar cell may include a quantum dot and an electron conductor. A bifunctional ligand may be disposed between the quantum dot and the electron conductor. The...
Isomerization of 1,1,3,3-tetrafluoropropene
The present invention involves methods for isomerization of 1234zc. Also provided are methods for managing 1,1,3,3-tetrafluoropropene produced as a byproduct in...
Centrifugal compressor with a re-circulation venturi in ported shroud
An exemplary port (180, 180') includes a first port opening (182, 182') positioned at a location downstream from a compressor wheel (140), a second port opening...
Compressor with controllable recirculation and method therefor
There is provided a compressor (10) and an associated method for controlling a recirculation flow to control surging in the compressor. The compressor includes...
Self-centering shaft adapter for actuators
A self-centering shaft adapter may include a first jaw, a second jaw, and an actuation mechanism, wherein the first jaw and the second jaw define an opening for...
Bi-directional overpressure shut-off valve
A valve assembly includes a valve body, a valve element, a valve actuator, and a fluid-operated switch. The valve body defines a flow passage. The valve element...
Air flow sensor with low-pressure drop
An airflow sensor apparatus for measuring flow rate includes a pitot tube with a bypass channel wherein the pitot tube extends halfway into a flow channel in...
Method and system for measuring flow at patient utilizing differential
A fluid delivery system and method for measuring flow at a patient utilizing a differential force sensor in order to precisely control the flow of fluid at very...
Sensor bridge with thermally isolating apertures
A sensor having a sensor bridge supported above a substrate is disclosed. A number of thermally isolating apertures are provided in the sensor bridge to help...
Electric power generating turbine engine fuel supply system
A turbine engine fuel supply system includes a priority flow line, a plurality of secondary fuel loads, a fluid-powered metering pump, a mechanically-driven...
Apparatus and method for live loading of version upgrades in a process
A method includes comparing a first layout of data elements associated with a first version of a class and a second layout of data elements associated with a...