At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Class D amplifier with increased efficiency
The present invention is a method of operating a speaker by converting an audio signal to a pulse-width modulated signal that has a plurality of positive pulses...
Digital single event transient hardened register using adaptive hold
By adjusting a register's capturing clock edge timing so that the register captures data when the data returns to a correct state, the register may be protected...
Physical vapor deposition target constructions
The invention includes a target construction having a sputtering region and a flange region laterally outward relative to the sputtering region. The flange...
Combustor dome assembly including retaining ring
A retaining ring is provided for use in conjunction with a carburetor assembly having a flow passage therethrough for conducting a fuel-air mixture into a...
Method of manufacturing composite generator rotor shaft
A method for manufacturing a rotor shaft is provided. A rod is formed from a metal matrix composite material, the rod having an outer diameter. The rod is heated...
System and method of double address detection
A plurality of detectors can be evaluated to determine if more than one has been assigned the same address. Responsive thereto, such detectors could be...
Absolute position determination of an object using pattern recognition
A position determining system that includes a spherical inertial sensor assembly, at least one position determining device and a processor is provided. The...
Microwave smart motion sensor for security applications
A dual mode motion sensor for detecting both motion of a moving target and a range of the moving target. The dual mode motion sensor normally operates in a pulse...
Sensor for detecting human intruders, and security system
A dual-modality sensor for detecting a presence of a human intruder within a secure setting includes a seismic sensor for acquiring a seismic signature of a...
System and method for detecting detector masking
A system and method is provided for indicating a masking event using transmission wiring delegated for indicating intrusion and tampering events. The method of...
Method and apparatus for DC integrated current sensor
Integrated current sensors are used in DC electric power systems. An integrated current sensor (200B) according to one embodiment comprises: a DC inductor (111B)...
Modular and scalable power conversion system for aircraft
A method and apparatuses are used for power conversion. The apparatus according to one embodiment comprises a plurality of power conversion modules (130.sub.--1,...
Adjustable motion detection sensor with cam
This invention relates generally to the field of motion detection sensors, and in particular to a system and method for adjusting the position of a printed...
A turbine shaft may be used to remove a heat load from pliant bearings without requiring the use of a process fluid for cooling the turbine shaft. The turbine...
Composite piston housing for aircraft brakes
An aircraft brake piston housing (10) has a composite body (14) including a plurality of fibers embedded in a matrix, the body (14) including a central bore (18)...
Method for lean blowout protection in turbine engines
A lean blowout protection system and method is provided that facilitates improved lean blowout protection while providing effective control of turbine engine...
Thermal vacuum gauge
A system for determining a gas pressure or gauging a vacuum in a hermetically sealed enclosure. One or more heater structures and one or more temperature sensor...
Measurement of NO and NO.sub.2 for control of selective catalytic
A selective catalytic reduction system includes a catalyst, a device to measure an amount of nitrogen oxide (NO), a device to measure an amount of nitrogen...
Multi-spectral fusion for video surveillance
A multi-spectral imaging surveillance system and method in which a plurality of imaging cameras is associated with a data-processing apparatus. A module can be...
A system and a method to detect a label are described herein. The system and method are to extract a horizontal region of interest based on the image; to extract...
System and method for secure communication of collected amphibious data
A system for secure communication of collected data is provided. The system comprises a data dissemination subsystem, the data dissemination subsystem operable...
Radiation hardening, detection and protection design methods and circuit
Radiation hardening, detection and protection design methods are disclosed. An example write drive circuit is disclosed having radiation hardened analog...
Spectroscopy method and apparatus for detecting low concentration gases
The invention is a method and apparatus capable of detecting constituents of a gas at extremely low concentrations comprising providing a medium that is...
Frequency-multiplexed detection of multiple wavelength light for flow
A multiplexed set of light sources having outputs of light with various wavelengths which are combined into one beam. The beam may impinge a particle in a flow...
Current sensor having sandwiched magnetic permeability layer
A current sensor includes a support structure (12), a magnetic field sensor (11) positioned on the support structure, a primary conductor comprising sandwich...
System of phonon spectroscopy
A system for phonon spectroscopy for attaining a phonon spectrum of a sample of a material. Current may be injected into the material to result in electrical...
Lithium-ion battery diagnostic and prognostic techniques
Embodiments provide a method and a system for determining cell imbalance condition of a multi-cell battery including a plurality of cell strings. To determine a...
Architecture and a multiple function power converter for aircraft
A method and apparatuses are implemented for electric power systems. An apparatus for power conversion according to one embodiment comprises: a multiple function...
Mobile hand-held laser welding support system
A mobile support system for a hand-held laser welding wand includes a movable cart, a laser source, a fluid source, and a filler medium supply source. The laser...
Colorant treated ion exchange resins, method of making, heat transfer
systems and assemblies containing the...
Disclosed is a colorant treated ion exchange resin comprising at least 15% of exchangeable groups comprising at least one of an ion, a Lewis acid, or a Lewis...
Cooled turbine blade cast tip recess
A core assembly including two cores is used to manufacture a blade. The first core has an outer surface shaped to complement the tip wall bottom surface. The...
Hydrocarbon adsorber for air induction systems
An inlet conduit for an engine air induction system, comprising: a plurality of openings located about the inlet conduit; a hydrocarbon vapor-adsorbent member...
Flight control surface actuator assembly including a free trial mechanism
A flight control surface actuator includes a mechanism that enables the actuator translation member to be selectively decoupled from the actuator rotating...
Method and system for sensing differential pressure with elastomer
A differential pressure sensor method and system includes a number of elastomer plates, which can be placed with certain distance and sealed in a small tube,...
Robust MEMS flow die with integrated protective flow channel
A MEMS flow sensor has a flow channel that avoids wire bond pads and ancillary circuit elements. A fluid can move from the bottom of the sensor substrate, though...
Apparatus and methods for water regeneration from waste
A rotary multi-stage distiller for recovery of water from wastewater is provided. The rotary multi-stage distiller of the present invention can recover water...
Method to automate resource management in computer applications
There is provided a computer comprising an application that generates a call having a resource name and a default value. A resource manager compares an entry in...
Order charting for flat sheet industries
Raw rolls and/or sheets of flat sheet stock are charted by a processing system that generates charting patterns using constraint logic programming, that matches...
System and method for prediction of pitting corrosion growth
A system and method predicts pitting corrosion growth using imaging technology. In an embodiment, a first module preprocesses images to locate seed points, and a...
Material measurement system for obtaining coincident properties and
A material measurement system (500) includes a THz generator including at least one laser source (111) for emitting optical pulses, the optical pulses coupled to...
System and method for dynamically estimating output variances for
An improved system and method is disclosed for dynamically estimating the output variances of carrier-smoothing filters used, for example, in GPS receivers. By...
Fully redundant spacecraft power and attitude control system
An energy storage flywheel system for a spacecraft is implemented with a fully redundant rotating group and gimbal actuator. In particular, the gimbal actuator,...
Azeotropic or azeotropic-like compositions of 1,1,1-trifuoroethane and
Azeotropic or azeotropic-like compositions of 1,1,1-trifluoroethane (HFC-143a) and 1-chloro-2,2,2-trifluoroethane (R-133a).
Interface materials and methods of production and use thereof
Layered interface materials described herein comprise at least one crosslinkable thermal interface component and at least one compliant fibrous interface...
Heat transfer compositions with high electrical resistance for fuel cell
The present invention relates generally to heat transfer compositions. More particularly, the present invention relates to heat transfer compositions with high...
Apparatus and method for break recovery in a paper machine or other system
A method includes determining one or more setpoint changes for one or more actuators in a process control system. Determining the one or more setpoint changes...
Lithium-exchanged faujasites for carbon dioxide removal
A process for removal of carbon dioxide from air using lithium-exchanged X-zeolites at low carbon dioxide partial pressures is provided. The process is...
Flight control surface actuation system with redundantly configured and
lockable actuator assemblies
A flight control surface actuator assembly includes a pair of flight control surface actuators and a pivot arm. One of the flight control surface actuators is...
Integrated environmental control and auxiliary power system for an
An integrated environmental control system for an aircraft compartment and aircraft power system comprises first and second air compressors, an auxiliary power...
Four mode thermal recirculation throttle valve
A thermal recirculation throttle valve (1) for an aircraft fuel system includes a housing (11) having a throttling valve chamber; a cover (5) operatively...