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Active damper for DC generation systems
An electrical power system includes a switched reluctance machine/inverter adapted for providing DC power to a load; a voltage controller, which provides a...
Integrated hybrid electronic article surveillance marker
Electronic article surveillance markers, methods for their production and for their use are disclosed. In one aspect there is provided an integrated ...
System and method for loop diagnostics in a security system
A security system comprising a control panel and a plurality of individually-addressable security system modules connected to the control panel on a loop data...
Viscous protective overlayers for planarization of integrated circuits
The present invention relates to the planarization of surfaces as typically encountered in the fabrication of integrated circuits, particularly copper conductors...
High-DPF yarns with improved fatigue
A product comprises a dimensionally stable polymeric multifilament yarn having a decitex per fiber count DPF of at least 7.5 and a fatigue strength retention FR,...
Cold water draw bypass valve and variable firing boiler control
A first sensor provides a demand for heat signal to a condensing boiler or water heater for control of the variable firing rate. A second sensor controls a...
Micro volume actuator for an air turbine starter
An air turbine starter system and air turbine starter valve that has a microvolume actuator to prevent the connected butterfly valve from opening too quickly....
Turbocharger with sliding blades having combined dynamic surfaces and heat
screen and uncoupled axial actuating...
A turbocharger having a variable geometry turbine intake incorporating a mobile cylindrical piston (70) for varying the area of the induction nozzle in the...
Method for simplifying manual radio frequency entries
A method for expediting the entry of a radio frequency into a radio control device by allowing entry of only a portion of the actual frequency desired comprising...
Wavelength division multiplexed vertical cavity surface emitting laser
Vertical cavity surface emitting laser arrays that emit light at different wavelengths and that are suitable for wavelength multiplexed applications. Such arrays...
Vertical cavity master oscillator power amplifier
In accordance with the invention, there is provided a device having a first portion with at least one quantum well, where the first portion emits light, a spacer...
System and method for flight mode annunciators
The pilot's awareness of the aircraft's state is enhanced by supplementing the flight modes area (FMA) in the upper region of the primary flight display (PFD)...
Wavelength selective detector
A wavelength selective detector having a first absorbing layer for absorbing light with a wavelength below a lower band cutoff, a second absorbing layer...
Turbo-fan snow making system
A snow making system comprises a cooling subsystem having a fan that draws a first air into the cooling subsystem and a turbine that expands a second air to...
Gripper mechanism for handling a cylindrical workpiece
A material handling apparatus includes a first support member, for supportively carrying a pair of opposed jaw members, and a second support member which is...
Estimator for determining resonant frequency and Q
The resonant frequency of a device is determined by energizing the device with a short burst of energy to produce a decaying sinusoidal output, determining...
Wear resistance in carbon fiber friction materials
Carbon fiber brake preforms (20), specifically, annular discs built up of fabric arc segments (21) composed of continuous fibers (25) and staple fibers (26)....
Communication system for defining a variable group of processors for
receiving a transmitted communication
A flexible multi-processor communications system supports variable message lengths and variable groups and application designations at respective processors. The...
Methods and apparatus for data retrieval, storage and analysis
A network interactive apparatus and a method for the retrieval, storage and analysis of time variable data. An interactive session is conducted with a user via a...
System and method for locating a waypoint
A navigation system may be used to generate a navigation map for a flight display for an aircraft. The navigation map may include waypoint symbols representing...
Method for determining a currently obtainable climb gradient of an aircraft
A method for determining a currently obtainable climb gradient of an aircraft by determining an estimated aircraft weight as a function of phase of flight,...
Radio frequency (RF) system loss compensation method using power
measurement of pulsed RF source
A method and circuit for accurately measuring radio frequency power level in a pulsed RF transmission.
Terrain database based ground return suppression
The present invention comprises a system, method, and computer program product for suppressing terrain returns in weather radar images. A weather radar display...
Airborne alerting system
Systems, methods and protocol for assuring separation of aircraft during parallel approaches. The systems, methods and protocol function in cooperation with...
Method and apparatus for monitoring message acknowledgements in a security
A wireless security system using multiple receivers in which each RF receiver can monitor the messages being sent to the control by the other receivers via...
Liquid phase catalytic fluorination of hydrochlorocarbon and
A process for the catalytic fluorination of hydrochlorocarbons and hydrochlorofluorocarbons in the liquid phase. The process is useful for fluorinating...
Ammonium sulfate nitrate
Ammonium sulfate nitrate composite materials useful as fertilizers having desirable levels of nitrate ions, superior stability against detonation, higher...
Method and apparatus for protecting buildings from contamination during
chemical or biological attack
Methods and systems are provided for preventing contamination of building regions or zones from unwanted chemical or biological agents during and after a...
Control valve for regulating flow between two chambers relative to another
A control valve is fluidly coupled to chambers containing fluid of different pressures for regulating flow therebetween. The control valve has a valve housing...
Multivariant set point using N1 and N2 for engine control
A turbofan engine throttle control system and method for eliminating dead bands in the throttle control by decreasing and increasing the fuel flow to the engine...
Reconfigurable erectable truss structure
A strut assembly includes a longitudinal member having a wall and at least a first substantially hollow end portion. A first threaded member is slidably mounted...
Timeout object for object-oriented, real-time process control system and
method of operation thereof
For use in time-limiting a request for information from a client to a resource, a timeout object, a method of operating the same and a real-time process control...
Integration of avionics subsystems into cockpit multifunctional displays
An apparatus and method are provided for reducing display clutter and improving the readability of a display by eliminating the necessity of providing separate...
Supervisory method and system for improved control model updates applied to
A method for dynamically balancing a rotating system through strategic control model updates, wherein said system contains sensors and sensor measurements whose...
System and method for in-place, automated detection of radome condition
A system for performing automated in-place measurement of reflectivity of a radome of an airplane. Includes a radar drive circuit that generates radar signals at...
Miniature directional coupler
A layered directional coupler including conductive traces placed along predetermined axes for making contact with main and auxiliary signal lines. The axes are...
Azeotrope-like compositions or pentafluorobutane
Disclosed are azeotrope-like compositions comprising 1,1,1,3,3-pentafluorobutane, water and a hydrocarbon selected from the group consisting of n-pentane,...
Toughened biaxially oriented film
Toughened biaxially oriented polyamide films prepared by dry blending i) a polyamide homopolymer, copolymer, or blends thereof; and ii) a functionalized...
Oxygen scavenging high barrier polyamide compositions for packaging
Oxygen barrier polyamide compositions exhibiting high oxygen scavenging capability suitable for extended shelf-life, packaging applications. Thus a polyamide...
Electrically conductive polymeric mixture, method of molding conductive
articles using same, and electrically...
A thermally stable electrically conductive polymer mixture, for use in forming electrically conductive molded articles, includes at least two additives for...
Optimized split type expander for adjustable piston actuators for
multi-disk brakes and clutches
A brake adjustment mechanism maintains a brake actuating piston (17) stroke within a preferred range compensating for brake wear by repositioning the piston...
Dual actuator air turbine starter valve
An air turbine starter valve able to open despite being frozen shut. Dual actuators apply sufficient torque upon an air turbine starter valve to overcome...
Gearless electric thrust reverser actuators and actuation system
A gearless electric thrust reverser actuator includes an electric motor that is coupled to a jack screw without any intervening gears. The actuator may...
Method for forming an actuator array device
A method of manufacturing a microactuator device includes a plurality of generally parallel thin flexible sheets bonded together in a predetermined pattern to...
Reliability assessment and prediction system and method for implementing
A system and method for reliability assessment and prediction of end items is provided herein. A reliability assessment program (RAP) in accordance with the...
Dither system for motion sensors
A ring laser gyroscope or other motion sensor is dithered at a first rate if a global positioning signal is available and/or when alignment is not being...
System and technique for enhanced radar object detection
A object detection system, such as a radar, and a method for improving the useful information provided thereby. The system is mounted on a vehicle for providing...
Dual analog-to-digital converter system for increased dynamic range
A dual analog-to-digital (A/D) converter circuit having two separate channels coupled to receive a single analog input signal, each of the two channels includes...
Vertical speed indicator and traffic alert collision avoidance system
A method and device for deriving and displaying advanced TCAS information.
Readout technique for microbolometer array
A method and apparatus to reduce undesirable deficiencies in an image produced by a microbolometer array including multiple smaller arrays includes applying a...