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Redundant bus switching
A pair of buses connect devices and a processor on a backplane. Each device monitors both buses for a bus reset that is produced by the processor on detecting a...
Method for time partitioned application scheduling in a computer operating
A time-partitioned system for accounting for processor time consumed by operating system services provided on behalf of an application running in a real-time...
Control system apparatus for loading a value of a system parameter and
preventing change thereto after a period...
A control system for controlling an operating system stores a system parameter such as an ultimate pressure value, for an operating system. The control system...
Content-based retrieval of series data
A graphical user interface (GUI) is used to quickly and easily find data patterns within a data sequence that match a target data pattern representing an event...
VOCODER capable modulator/demodulator
A method and apparatus for data transmission using existing highly compressed telecommunications media, and in particular encoding, transmitting, receiving, and...
Aircraft electronic checklist system with hyperlinks
An aircraft electronic checklist system including (a) an aircraft electronic checklist display unit for displaying on a display an aircraft checklist comprising...
Methods and apparatus to compensate for zero Doppler returns
A method for simulating a Doppler signal under stationary conditions is described. The method includes sampling a radar return signal at an integer multiple of...
Exciter rotor assembly
A rotor and a method of constructing a rotor are disclosed. The rotor includes a hub that is capable of being supported by a shaft that extends along an axis, a...
Novel fibers having improved liquid absorption capacity combined with the ability to provide a dry feeling even when nearly saturated. The fibers are expected to...
Foil thrust bearing cooling
An improved foil thrust bearing includes a cooling fluid flow turbulence generating disk placed between other foil thrust bearing elements, such as thrust...
Multi-disc brake structural asymmetry
An axially asymmetrical vibration-reducing torque tube radially surrounds an axle and axially spans brake disks with intervening ones of the brake disks...
Aircraft ground support air conditioning unit with temperature-biased flow
A ground-based system and method of supplying temperature-controlled air to an aircraft environmental control system during ground support operations that uses a...
Physical chemistry compression
A method and apparatus is disclosed to increase the pressure of a feed gas through chemical compression. A feed gas such as natural gas is introduced into a...
System for controlling fuel flow to gas turbine engine
A system for controlling the flow of fuel to a gas turbine engine is operable in at least two modes. In a first mode, the flow rate of fuel supplied from a fuel...
Flow divider and ecology valve
A fuel flow dividing ecology valve conveys fuel from a fuel source to at least a secondary gas turbine engine intake manifold during engine operation and...
Ripple scheduling for end-to-end global resource management
A global resource manager is provided for each node of a plurality of nodes of a distributed data processing system. Each node can be a coordinator node, an...
Method, apparatus, and computer program products for alerting surface
vessels to hazardous conditions
A navigational system for surface vessels that provides warning of impending grounding occurrences. A data base of bottom contours and submerged obstructions is...
Radar altimeter with forward obstacle avoidance capabilities
A radar altimeter is described which includes a transmitter for transmitting a radar signal, a receiver for receiving the reflected radar signal, and at least...
Integrated magnetic signal isolator with feedback
An integrated circuit signal isolator includes a magnetic field sensor in a first metal layer formed over a semiconductor substrate. A first dielectric layer is...
Method and circuit for the control of large arrays of electrostatic
A circuit and method for controlling an array of n electrostatic actuators, where n is an integer, preferably of at least 32 and may be in excess of 10,000 or...
Generator with improved lubrication and cooling system
A lubricating and cooling system for a high speed generator that directs a lubricating and cooling medium through the generator housing. The lubricating and...
Melt-infiltrated pitch-pan preforms
Carbon-silicon carbide brake preforms are manufactured by carbonizing a blend of carbon (e.g., polyacrylonitrile) fibers and thermosetting pitch resin,...
Oxidation resistant rhenium alloys
An alloy based on a refractory metal such as rhenium resists oxidation by the inclusion of alloying substances with affinity for oxygen or other oxidizing...
Charge air condensation collection system for engines with exhaust gas
A charge air condensation separation system for a turbocharged engine, especially suited for engines employing EGR, includes a turbocharger having a compressor...
Method and apparatus for improving fault isolation
A method for improving fault isolation for failure modes in complex systems, and a software program embodying the method or a corresponding method together with...
Rotary position sensor methods and systems
An apparatus and method are disclosed herein for sensing rotary position. A rotor and stator are positioned proximate to one another but are not in contact with...
Display cold spot temperature regulator
An apparatus and method is disclosed for regulating the cold spot temperature of a light emitting enclosure. A cold spot regulation system defines and controls...
Generator with hydraulically mounted stator rotor
A high speed generator with a hydraulic rotor mounting system that dampens rotor vibrations at the rotor's critical speeds. Oil is supplied to a gap formed...
High tenacity, high modulus filament
Polyethylene solutions are extruded through a multi-orifice spinneret into a cross-flow gas stream to form a fluid product. The fluid product is stretched at a...
Ferroelectric vapor deposition targets
The invention includes a ferroelectric physical vapor deposition target having a predominate grain size of less than or equal to 1.0 micron, and a density of at...
Process for producing sputtering target materials
The invention includes methods of reducing grain sizes of materials, and methods of forming sputtering targets. The invention includes a method for producing a...
Ceramic ball bearings and assembly
A ceramic ball bearing assembly has raceway components generally held in residual compression by accompanying metal attachments. In a ceramic ball bearing...
Electrostatic drive for accelerometer
A vibratory transducer (22) for an accelerometer (2) having a pair of parallel beams (50, 52) with first and second fixed end portions, and a pair of electrodes...
System and method for non-invasive diagnostic testing of control valves
A system and method for detecting malfunctions in control valves is disclosed. The system comprises a test unit that is capable of being coupled to a feedback...
Fault-tolerant multi-node stage sequencer and method for energy systems
A method for controlling energy systems such as multiple boiler systems to meet an energy need includes a controller configured as a sequencer with the remaining...
Radiation insensitive fiber light source for interferometric fiber optic
An example of a fiber optic light source has a pump laser that feeds light to a length of doped optical fiber. The optical fiber produces light that has a mean...
Soft-start of DC link capacitors for power electronics and drive systems
A soft-start system and method for use in the soft-start of DC links for capacitor banks are disclosed. The soft-start system (200) includes a capacitor (230)...
High-G mounting arrangement for electronic chip carrier
A chip carrier is coupled to a printed circuit board by leads so that the chip carrier stands off from the printed circuit board. A spacer is provided between...
Methods and apparatus for fiber optic gyroscope dead band error suppression
According to the preferred exemplary embodiments of the present invention, there is provided a phase jump amplitude and timing controller for suppressing the...
Methods and apparatus for radar data processing
A method for testing a radar system utilizing flight test radar data is described. The method includes time synchronizing measured radar data with a GPS based...
Systems and methods for target location
A method of determining a target location from a vehicle is described. The method includes identifying the target utilizing a video system, determining an...
Security system utilizing group supervision polling
In a security system that has a large number of individually-addressable modules interconnected on a data bus to a control panel, a method of concurrently...
Method and apparatus for fine resolution brushless motor control
A motor controller (30) includes three analog Hall-effect sensors (42, 44, 46) for forming continuous-time signals proportional to the sine and cosine of the...
Package with integrated inductor and/or capacitor
Methods for attaching two wafers are presented along with devices resulting from such methods. In one illustrative embodiment, a first wafer is provided having...
Polymerizable halogenated vinyl ethers
Vinyl ether compounds having the formula: wherein R is a radical selected from R.sub.1 --C.sub.n H.sub.m --, R.sub.1 --C.sub.n H.sub.m --C(.dbd.O)--, R.sub.1...
Synthesis of siloxane resins
Novel processes for preparing hydridosiloxane and organohydridosiloxane resins are disclosed. The processes of the invention broadly provide for the steps of...
Silicon-on-insulator wafer for RF integrated circuit
An RF semiconductor device is fabricated from a starting substrate comprising a polysilicon handle wafer, a buried oxide layer over the polysilicon handle wafer,...
Anisotropic heat diffuser plate
A method and apparatus for ensuring uniform temperature regulation of a mold cavity (90) during a mold process is disclosed. An anisotropic diffuser member(s)...
Method and apparatus for flexible construction of heat exchanger tanks
Heat exchanger header tanks are constructed from a basic set of components. The basic components are castings and simple formed sheet parts. The components are...
System and method for defining a maintenance program
A system and method for performing RCM analysis is disclosed. The system is an automated system for performing RCM analysis/maintenance program development...