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Active matrix display
A flat panel display (10) uses active matrix addressing. Two parallel substrates (20, 30) have an organic electroluminescent medium (40) that emits visible light...
Field emission device
An electron emitter (121, 221, 321, 421) includes an electron emitter structure (118) having a passivation layer (120, 220, 320, 420) formed thereon. The...
Electronic device parameter estimator and method therefor
A process (20) and design tool (62) are presented for the accurate prediction of design parameters (42) for components (38) of an integrated circuit (22) during...
Spacecraft attitude control using electrical power subsystem
A spacecraft (10) body (20) located in an external magnetic field (12) has a substantially unbalanced electrical power bus (18) that generates a composite local...
Adaptive system and method for responding to computer network security
A dynamic network security system (20) responds to a security attack (92) on a computer network (22) having a multiplicity of computer nodes (24). The security...
Method and apparatus for moving data in a parallel processor using
source and destination vector registers
A Single Instruction Multiple Data processor apparatus for implementing algorithms using sliding window type data is shown. The implementation shifts the...
Method and apparatus for reducing amplitude modulated interference in a
A direct conversion receiver (DCR)(10) comprises amplitude modulated interference (AMI) nulling circuitry (32) for achieving enhanced cancellation of AMI. The...
Independent satellite-based communications systems sharing common
frequency spectrum and method of operation...
Multiple, different, independent constellations (10, 20) of satellites (2, 21-23) share a portion of a common frequency spectrum such as a single carrier...
Method and apparatus for multi-constellation satellite broadcast with
A hybrid satellite-based data broadcast system reliably broadcasts data from a ground-based high earth orbit, HEO, server (105) to a plurality of customer...
Method and apparatus for receiving a plurality of signals having
different frequency bandwidths
A first mixer (306) shifts a first end (208) of a desired signal frequency bandwidth (206) of a desired signal (202) to an edge (508) of a first filter frequency...
Multi-mode transmitter and receiver
A transmitter (300) comprises summers (301-307, 3178-319), and mixers (309-315, 333). During multi-carrier transmission, multiple I and Q components enter the...
Method and apparatus in a wireless communication system for controlling
a display of template data by a...
A pack (209) is programmed (402) into a portable subscriber unit (122), the pack including a bundle of templates for formatting template data received for...
Method access point device and peripheral for providing space diversity
in a time division duplex wireless system
A method, access point device and a plurality of peripheral devices provide for controlling a space diversity switch in a time division duplex system. The method...
Hinged flip assembly for a communication device
A hinged flip assembly includes a door cover (120) having a chamber (214) and a hub (122) for rotating along a hinge mechanism (133). A transducer (206) is...
A hybrid capacitor with improved energy density employs a cathode including an organic material and optionally a gel, solid, or composite electrolyte material....
Capacitor and method of manufacture
A capacitor (30) compatible with wirebonding processes and a method for manufacturing the capacitor (30). The capacitor (30) includes a first plurality of...
Voltage variable capacitor array and method of manufacture thereof
An array (100) of voltage variable capacitors (110) is provided in which voltage variable capacitors (110) are fabricated with piezoelectric displacement devices...
Duplex antenna circuit assembly selectively operational in a transmit or
a receive mode
A duplex antenna circuit assembly (1) selectively operational in a transmit or a receive mode. The assembly (1) has a transmitter amplifier (2) with an output...
Sigma-delta modulator and method for digitizing a signal
A sigma-delta modulator (10) and a method for digitizing an analog signal. The sigma-delta modulator includes at least one switch (16) for altering the order of...
Low power precision current reference
A first complementary metal oxide semiconductor (CMOS) current reference circuit (100, 500) has a first and a second current mirror (110, 150) and is implemented...
Precision hysteresis circuit
A switched capacitor differential comparator (10) for receiving input signals which includes hysteresis circuitry (40, and 42) and a switch (43) responsive to...
Independent dual-switch system for extending battery life under
A hybrid energy storage system (10) including a first energy storage device (12), such as a secondary or rechargeable battery, and a second energy storage device...
Electron emissive film
An electron-emissive film (170, 730) is made from graphite and has a surface defining a plurality of emissive clusters (100), which are uniformly distributed...
Semiconductor device having a cavity and method of making
A semiconductor device (50) has a sensing element (30) and a transistor (40). The sensing element (30) is formed in a cavity (11) in a substrate (10). The...
Process for forming an integrated circuit
A process for selectively plasma etching polycrystalline silicon or polysilicon in preference to silicon dioxide which minimizes the detrimental effect of...
A power transformer is described comprising a housing with a catchment on its face and a catchment on its side and an adapter plug whose back side fits over the...
Low-noise, high-performance fan
The present invention provides a fan (100) that includes a hub (102) and a plurality of blades (104). The hub (102) has a blade attachment surface (106) that...
Two pocket desktop charger
Method for plating using nested plating buses and semiconductor device
having the same
Routing density of a wiring substrate (10) is increased by providing a nested plating bus (18) as a supplement to an external plating bus (16). A first group of...
Single event upset tolerant system and method
An single event upset (SEU) tolerant system for detecting and correcting an SEU includes a decision element (200) for receiving a plurality of outputs (120) from...
Method and apparatus for testing an integrated memory device
A method of memory array testing that detects defects which are sensitive to environmental conditions. A repair signature is generated reflecting the repair...
Method and apparatus for distinguishing register reads from memory reads
in a flash memory
A non-volatile memory (12) such as FLASH provides for two modes of operation: command mode and memory mode. Read requests in command mode read non-volatile...
Data processing system and method thereof
A data processing system (55) and method thereof includes one or more data processors (10). Data processor (10) is capable of performing both vector operations...
Method and apparatus for burst protocol in a data processing system
A data processing system (10) capable of burst transfers having an external bus interface (30) which allows termination of a burst transfer prior to completion...
Device, system and method for real-time multimedia streaming
The present invention provides a device (200, 300), system (400, 500) and method for real-time streaming of a multimedia file stored in a remote server over a...
Method and system for performing an IIR filtering operation
A method and system for an IIR filter are provided. A sequence of input signals is converted to a first sequence of log signals, while a sequence of feedback...
Method and apparatus for providing coverage in a selective messaging
A selective messaging system controller (105) and analogous methods arranged to schedule messages and control transmitters in a messaging system (100) having a...
Autonomous interrogatable information and position device
An autonomous interrogatable information and position device combines the functionality of a satellite communications device capable of sending and receiving...
Apparatus and method for amplifying an amplitude-varying signal
An amplifier (300) comprising two amplifier stages (301, 303), a signal splitter (305), and a signal combiner (307) amplifies an amplitude-varying input signal...
Method and system for reducing the sampling rate of a signal for use in
demodulating high modulation index...
A method and system for reducing the sampling rate of a signal for use with high modulation index frequency modulated signals reduces the power consumption and...
Method and apparatus for informing a user of message status in a
A communication device (125) receives a signal in which messages are included. The communication device (125) includes a decoder (215) for recovering a received...
Security token and method for wireless applications
Apparatus and a method are described for providing for multiple secure functions in a host or wireless radiotelephone. Access to the functionality of the...
Radio telecommunication device and method of authenticating a user with
a voice authentication token
Apparatus and a method are described for providing a security token. The security token may be used for numerous applications, but is particularly useful in...
Symbol synchronizer based on eye pattern characteristics having variable
adaptation rate and adjustable jitter...
A symbol synchronizer (10) for use in a communication device. The symbol synchronizer (10) comprises a sampling circuit (100) which samples the demodulated...
Communication unit having spectral adaptability
The present invention relates to a communications system (100) that is capable of adapting to an unknown or varying spectral environment in a channel (14)...
Method and apparatus for adjusting a power control setpoint threshold in
a wireless communication system
A method of adjusting a power control setpoint threshold (216) in a wireless communication system is provided. The method includes the steps of receiving at a...
Annular waveguide vertical cavity surface emitting laser array and
method of fabrication
An array of annular waveguide VCSELs for achieving a stable single high order mode light source characterized as emitting a plurality of emission beams of...