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Method of forming an ohmic contact to a III-V semiconductor material
An ohmic contact to a III-V semiconductor material is fabricated by dry etching a silicon nitride layer overlying the III-V semiconductor material with a...
Magnetoresistance-based method and apparatus for molecular detection
A binding of a molecule with a molecular receptor at a binding site is sensed using a magnetoresistive member proximate to the binding site. A magnetic field...
Electronic component and method of manufacture
An electronic component includes a substrate (201) with a surface (202), a resistor structure (210) supported by the substrate, and a passivation layer (300,...
Smart card authentication system comprising means for converting user
identification and digital signature to...
A mouse system (100) for authenticating a user and providing access to a computer (212) includes a pointing device and card reader (106) which share a computer...
Adder circuit and method therefor
An adder (300) generates encoded outputs to conserve power. In particular, the adder provides "B2" encoded outputs which only drive one bit per every two bits at...
Apparatus and method for matrix multiplication
A system (400) alternatively performs real matrix operation in a first mode or performs complex matrix multiplication in a second mode. One input matrix (e.g.,...
Dynamic allocation of communication resources
Responsive to a received call request, a resource controller (105) assigns a first control channel to the call request (302). When there are no traffic channels...
Method and apparatus for detecting simulcast channel conditions
A circuit (350) for detecting simulcast channel conditions includes a symbol center averaging circuit (308) for providing a center count of excursions above and...
Carrier squelch method and apparatus
A radio receiver operates primarily in a first operating mode to process received signals (410). When a carrier signal detect is triggered while in the first...
System and method for including origination time and update lifetime
with updateable messages
An updateable message encoder/transmitter (100) has a processor (109) for encoding messages and message updates. A message includes an origination time (191), a...
Handwriting recognition method and apparatus having multiple selectable
Multiple selectable dictionaries are used by a handwriting recognition system to provide accurate and prompt recognition processing. Sets of the multiple...
Digitally sampled phase quantized FM detector for a communication
A digital phase quantized frequency modulation (FM) detector (300) is for a communication receiver (100). A digital phase FM quantizer receives (310) I and Q...
Method and apparatus in a wireless communication system for dynamically
formatting application data to be...
A device (124, 122) having application data to transmit collects (502) information concerning data transport capabilities affecting transmission timing of at...
Magnetic random access memory with a reference memory array
An MRAM device (4) includes a memory array and a reference memory array (75). The memory array arranges magnetic memory cells (41, 42) in rows and columns for...
Apparatus and method for inputting ideographic characters
An apparatus (100) and method for inputting ideographic characters. The apparatus (100) has an input pad with a predetermined number of input keys (102, . . ....
Low noise preamplifier
A low-noise wide band preamplifier (10) provides an output voltage signal (V.sub.O) corresponding to the variation in resistance of a sensor such as ...
High speed battery charging system with high accuracy voltage sensing
A battery charging system 100 is provided which comprises a charger 101 and a battery pack 102. The battery pack 102 comprises a battery cell or cells 150,...
Method and apparatus for high voltage generation
A voltage generation circuit (60, 62) is adapted to sense voltages on multiple windings (82, 84, 86) of a multi-phase brushless DC motor (22) during successive...
Method for forming an inlaid via in a semiconductor device
A inlaid interconnect is formed in a semiconductor device (30). A first interlayer dielectric (ILD) 40 is deposited and etched to form a via opening (44). An...
Method for forming a cavity capable of accessing deep fuse structures
and device containing the same
A method for forming a cavity (30) to a structure such as a poly fuse (114) with a deep etch process whereby a mask is formed over the structure a first...
Electrical device having atmospheric isolation
An electrical device (10) includes a package body (12) having a device mounting region (14) and an electrical connection region (16). A cavity (18) resides in...
Azimuth-elevation gimbal antenna
Video conferencing device
Integrated circuit having programmable pull device configured to
enable/disable first function in favor of...
Method and apparatus for selectively enabling a pull device coupled to a multiplexed terminal connector based on the function of the terminal connector. When the...
Exchange which controls M SIMs and N transceivers and method therefor
An on-board aircraft telecommunication exchange (32) provides communication and authentication services for M subscriber identity modules (SIMs) using N...
Method and apparatus for using pace groups in a comparator
An apparatus has a plurality of ports (209); a router (203), operating in conjunction with at least one of the plurality of ports, arranged and constructed to...
Software programmable radio and method for configuring
A software programmable radio (200) receives information to configure a reconfigurable resource (208) to perform an operation based on the information. A...
Method of and apparatus for selecting a communication channel
A system for choosing a communication having an ACRE 117, a radiotelephone 101 and a cordless base station 115. The cordless base station 115 connected to the...
Call routing system for a wireless data device
A call routing system includes an authorization and call routing equipment (ACRE) 117, a cordless base station 115 connected by a wireline network 111 having...
Method for converting contention busied calls in a wireless
Upon detecting a contention between a call request and an active call (404), the call request is added to a busy queue as a contention busied call (412) and at...
Communication device controlled by appointment information stored
therein, and method therefor
A communication device (100) whose operations are synchronized to a stored appointment book (117). The communication device (100) comprises a controller (116)...
Method and apparatus for coordinating an operating channel selection
Methods of and corresponding apparatus for scheduling messages on an operating channel (123) in a selective messaging system (100) for a selective messaging unit...
Thermoelectrically cooled low noise amplifier and method
A space-based communication system (30), includes a transmission terminal having a transmission antenna (42) and a power amplifier (40) to power the transmission...
Cellular communication systems (20) use repeaters (50) to communicate with subscriber units (24) otherwise shadowed from base stations (22). A networked repeater...
Telephone set having a microphone for receiving or an earpiece for
generating an acoustic signal via a keypad
A telephone set (10) comprises a first housing (12), a second housing (14), a rotate (54) or a slide (34) mechanism, a microphone (16), an earpiece (18) and a...
Alphanumeric message composing method using telephone keypad
An interactive method for composing an alphanumeric message by a caller using a telephone keypad includes storing (215) a lexical database (135) from which...
Device and method for generating and detecting tones in a digital data
In a digital communication device adapted to be coupled to a digital network and having an analog port adapted for interconnecting an analog device to the...
Bit-wise conditional write method and system for an MRAM
A bit-wise conditional write method and apparatus to minimize power consumption in integrated circuit (IC) magnetoresistive random access memory (MRAM) systems....
Method and system for beamforming at baseband in a communication system
In a satellite communication system, beamforming is performed at baseband frequencies forming only beams which convey information. A received signal is applied...
Method and apparatus in a wireless messaging system for dynamic creation
of directed simulcast zones
Base transmitters (116) of a wireless messaging system are pre-programmed (802) with location identifiers (216) for identifying the positions at which the base...
Low current drain switch interface circuit
A low current drain switch interface circuit includes an input terminal (105), coupled to a first terminal (201) of a diode (115). A voltage follower circuit...
Circuit for tracking rapid changes in mid-point voltage of a data signal
A circuit (11) for tracking rapid changes in peak and trough voltages of a data signal includes a peak detector circuit (13) and a trough detector circuit (14)...
Field emission device having component capture frame
A field emission device (100, 200) includes a cathode plate (102) having a plurality of electron emitters (532), an anode plate (104) disposed to receive...
Optical device packages containing an optical transmitter die
An optical device package (18) includes an optical transmitter die (10) encapsulated within mold material (20). The mold material (20) allows light emitted from...
Semiconductor component and method of manufacture
A semiconductor component includes an asymmetric transistor having two lightly doped drain regions (1300, 1701), a channel region (1702), a source region (1916)...
Iridium ultra-high capacity battery design
Data processing system and method which detect unauthorized memory
A data processing system (10) which detects unauthorized memory accesses has trap door logic (17) that receives memory address bus (16) signals from a processor...
Method and apparatus for implementing floating point projection
A floating point unit (60) capable of executing projection instructions provides performance improvement in multiple precision floating point arithmetic. The...
Proxy host computer and method for accessing and retrieving information
between a browser and a proxy
A query (160) is sent from a browser (100, 101) to a proxy (300) directed to an information source (140) in a networked data communications system. In one...
A charging base (4500) having a rear wall portion including center rear wall portion (4523) provides an incline for a radiotelephone when a contoured edge (792)...