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.
Coated carbon brake disc materials
Antioxidant coating compositions containing 10-75 wt % H.sub.2 O, 20-65 wt % H.sub.3 PO.sub.4, 0.1-20 wt % alkali metal mono-, di-, or tri-basic phosphate, 0-2...
RFID tag having multiple transceivers
Information is communicated between an RFID tag and first and second readers. A first transceiver of the RFID tag is controlled so that the first transceiver...
Methods and apparatus for automatic gain control
An apparatus for controlling an amplitude of a signal generated from a digitized sinusoid of rapidly and widely varying amplitude is described herein. The...
Method and apparatus using historical data to associate deferral procedures
and fault models
A method of associating deferral procedures to a fault model for complex systems based on historical data, the method including the steps of: analyzing...
Method and system for contention resolution in radio frequency
A method and system for resolving contentions among passive identification tags. A reader may divide a possible range of tag values into a number of smaller...
Optoelectronic devices and method of production
The invention includes both devices and methods of production. A device in accordance with the invention includes a top surface and a bottom surface, a through...
Relative humidity sensor with integrated signal conditioning
Methods of and systems providing high reliability relative humidity sensors having integrated signal conditioning are described, providing a series capacitive...
Monolithic optical device for light transmission, and multi-channel optical
system using same
An integrated light-transmission optical module for a safetyoptoelectronic barrier, comprises a condenser element having a first lens, and an objective having a...
Method and apparatus for detection of motion with a gravitational field
detector in a security system
In a first aspect, the present invention is a method, apparatus, and system for detecting a change in position of a door or a window in an alarm system with a...
Power linearization technique for controlling the luminance of light
emitting display devices
A circuit and method for providing a linear power to a load uses pulse modulation technique where the frequency and pulse width of the pulse width modulated...
Scanner for airborne laser system
A multi-axis laser scanner and receiver capable of providing laser scanning in multiple fields of view using a microscanner and a fold mirror with a patterned...
Novolac polymer planarization films with high temperature stability
A process for forming a planarization film on a substrate that does not smoke or fume on heating includes applying a polymeric solution including a novolac resin...
Nylon polymer blends and films made therefrom
This invention relates to blends of nylon homopolymers and copolymers with poly(hydroxyamino ether) polymers. More particularly, there are provided blends of...
Methods of fabricating articles and sputtering targets
Described is a high quality sputtering target and method of manufacture which involves application of equal channel angular extrusion.
Reactive aqueous metal oxide sols as polishing slurries for low dielectric
An aqueous metal oxide sol slurry has been developed for removal of low dielectric constant materials. The slurry is formed directly in solution utilizing...
Pneumatic actuator with a nested diaphragm assembly
A diaphragm assembly for use in pneumatic actuators uses two or more diaphragms, one nested inside of the other. Each of the diaphragms, when shaped, includes a...
Unitary pressure sensor housing and assembly
A pressure sensor housing and assembly is disclosed. The pressure sensor may have a manifold and a header comprising one integral unitary housing. The unitary...
Coupled micromachined structure
A suspended, coupled micromachined structure including two proof masses and multiple support arms configured to suspend the masses above a substrate and a...
Fuel control valve
A low hysterisis fuel control valve for proportioning fuel being supplied to the combustor of the turbine engine into a first portion for delivery to primary...
Recursive state estimation by matrix factorization
A filter is disclosed for recursive state estimation of a process by matrix factorization. The filter preferably takes the general form of P=XY, where P is a...
Event based aircraft image and data recording system
An apparatus and method for recording image data of flight parameters and events includes a reconfigurable set of instructions for determining when such data...
Optical demultiplexer based on three-dimensionally periodic photonic
The invention provides photonic crystal optical demultiplexer devices produced from a three-dimensionally-periodic, porous, dielectric, photonic crystalline...
Method and apparatus for a plug and play polling loop system
A polling loop system provides all products to be prewired to the polling loop by technically unskilled labor followed by a plug and play enrollment process. The...
Method and apparatus for remapping subpixels for a color display
A method and apparatus for remapping video images from a display processor, represented by a quad-subpixel digital data stream to a striped-subpixel color...
Lock slip detection using inertial information
A method for detecting lock slip using inertial information is provided. The method involves an epoch comparison of a predicted delta phase range with a measured...
Constant altitude weather and all weather display
A system, method, and computer program product for allowing a pilot to view weather hazards at a selected altitude or within a range of altitudes. The weather...
Methods and apparatus for actuating and deactuating a switching device
An apparatus and method for actuating and deactuating an electro-mechanical switch utilizing an energy-storing actuator is disclosed. An electro-mechanical...
Contactless acceleration switch
A contactless acceleration switch detects a threshold acceleration value when a mass attached to a spring, moves towards a source, a drain, and a threshold...
Method of forming a thermally isolated gas turbine engine housing
A method for forming a thermally isolating gas turbine housing from the significantly high temperatures associated with the combustion gases flowing through the...
Customized span compensation of SOI pressure sensor
A sensor chip has a piezo-resistive bridge, a first resistor network that can be used for biasing when connected to an external amplifier, a second resistor...
Methods and systems for reducing stick-down within MEMS structures
A method for reduces the sticking of proof masses in micro-electromechanical systems (MEMS) devices to sense plates in the MEMS device due to acceleration forces...
Pulse width modulation drive signal for a MEMS gyroscope
A MEMS gyroscope may be coupled to drive electronics that provide a pulse width modulation drive signal to the MEMS gyroscope. The pulse width modulation drive...
Oil quality sensor system, method and apparatus
An apparatus for determining the condition of engine lubricating oil includes a sensor having a plurality of spaced apart electrode pairs on a nonconductive...
Compensation of second-order non-linearity in sensors employing
double-ended tuning forks
A method for designing a sensor using a dual double-ended tuning forks which provides composite cancellation of second-order non-linearity terms.
Near-infrared disguise detection
Detection of a person disguised with one or more artificial materials includes detecting reflection from at least one portion of a head of a human body in at...
Power supply rejection circuit for capacitively-stored reference voltages
A power supply rejection circuit and method thereof for capacitively-stored reference voltages is disclosed. The power supply rejection circuit generally...
Method and system for improving the efficiency of the set and offset straps
on a magnetic sensor
A method for manufacturing a magnetic field sensor, including the step of providing a keeper material proximate to at least a portion of a magnetic field sensing...
Spacecraft isolator launch restraint
A spacecraft isolator including shape memory alloy components that are electronically heated to unlock the isolator. The isolator can be manually unlocked with...
MEMS gyroscope with parametric gain
A microelectromechanical (MEMS) gyroscope has one or more proof masses mechanically coupled to a substrate by springs. A motor force drives the proof masses at...
Self-normalizing flow sensor and method for the same
An apparatus to normalize a flow rate of a fluid in a main flow channel is provided. The apparatus uses a movable member, such as a flexible membrane disposed...
Methods and apparatus for installation alignment of equipment
A method for installation alignment of an inertial reference unit (IRU) with vehicle axes when the IRU is installed within the vehicle is provided. The vehicle...
Current control biasing to protect electrode seals
Current control biasing of a ring laser gyroscope is employed to protect electrode seals. A frame of a ring laser gyroscope has more than one electrode attached...
Volume holographic diffusers
A partially collimated light beam (2) is sent through a substrate matrix of a plurality of nested individual joined geometrically shaped cells (301) wherein each...
Optically powered resonant integrated microstructure magnetic field
A device 10 for sensing a magnetic field gradient using an optically powered resonant integrated microstructure (O-RIMS). The O-RIMS comprises a microbeam 11...
One piece toggle switch cover with integral panel standoff and seal
A toggle switch includes a one piece integrated plate, stand off, and bushing. The stand off has protrusions extending therefrom, and the stand off and the...
Low dielectric constant materials with polymeric networks
A low dielectric constant material has a polymeric network that is fabricated from a first and a second component. The first component comprises a polymeric...
Physical vapor deposition targets
The invention includes a non-magnetic physical vapor deposition target. The target has at least 30 atom percent total of one or more of Co, Ni, Ta, Ti, Pt, Mo...
Compliant fibrous thermal interface
Described is a fibrous thermal interface. The interface comprises flocked thermally conductive fibers embedded in an adhesive in substantially vertical...
A spin finish applied to industrial yarn. It enhances yarn processability as evidenced by low fuming, improved mechanical quality at lower amounts of spin finish...
Cautious optimization strategy for emission reduction
A system of controlling combustion of fuel in a boiler having an adjustable air-to-fuel ratio. A first sensor is used to measure the CO production to provide a...