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Method and apparatus for reducing signal blocking in a satellite
A communication system is established for providing dual-coverage areas using communication satellites, one or more terrestrial stations and one or more...
Method and apparatus for providing dispatch service to an existing
A dispatch controller (103) located logically external to an existing telephone network (101) is coupled to the existing telephone network. When an originating...
Multimode communication device and method for operating a multimode
A method and communication device (102) provide multimode communication with multiple autonomous communication systems including a first communication system...
Image reject transceiver and method of rejecting an image
An image reject transceiver (10) provides both phase and gain adjustments that causes unwanted images to be rejected. A reference signal (RF.sub.IN) is frequency...
Circuit for receiving and transmitting signals and method
A circuit (30) and method for translating a spectrum of a modulated signal. The circuit (30) includes a mixer (33), a summing device (36), and a synthesizer...
Apparatus and method for overcoming the effects of signal loss due to a
multipath environment in a mobile...
A communications device transmitting and receiving RF signals having an antenna including an antenna core, a plurality of first polarized antenna elements wound...
Circuit and method of generating a phase locked loop signal having an
An integrated transceiver circuit (10) includes a single side-band mixer (12) and a phase locked loop (30). The phase locked loop (30) includes a phase detector...
Radio communication system and method for setting an output power of a
base site therein
A radio communication system (100) employs a method for setting an output power of a base site (e.g., 107) in the system. The radio communication system includes...
Telephone set having a microphone for receiving an acoustic signal via
A telephone set (10) comprises a housing (12), a microphone (16) and a keypad (20). The microphone (16) is carried by the housing (12) and is adapted to convert...
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...
Phase detector circuit and method of phase detecting
An image reject receiver (10) uses a mixer circuit (12) and a mixer circuit (16) to frequency translate an incoming reference signal (RF.sub.IN) and generate a...
Method of determining an encoding rate in a communication system
A method of determining an encoding rate associated with a received data frame in a communication system includes decoding (101) the received data frame at a...
Motion estimation for digital video with reduced number of search window
A method and apparatus for efficient motion estimation of a digital video image wherein memory capacity and processing requirements are reduced by 50% or more,...
Measuring bit error rate performance of a receiver by the receiver and
conveying measurement acoustically
A system (100) for measuring bit error rate performance of a radio device by the radio device and conveying measurement acoustically includes a test controller...
Automatic media switching apparatus and method
A media switching apparatus automatically switches a user device between wired and wireless service mediums of communications networks. The switching apparatus...
Packet non-replicating comparator device for digital simulcast packet
A packet non-replicating comparator device for use in a digital simulcast radio communication system generates a single seed copy of a timestamped information...
Method and apparatus for CDMA code domain parameter estimation
The testing and verification of CDMA cellular base stations requires a number of parameters to be measured. Many of these parameters are measured in the code...
An electronic assembly (10) comprises one or more electronic components (18) having solder terminations (20), and a printed circuit substrate (12) having printed...
Device having a diskette-like housing and a wireless transceiver and
An interface device includes at least one of an infrared receiver (14) and an infrared transmitter (16) to communicate with an external device (39). The infrared...
Method and system for channelization and down conversion of wideband
subscriber information signals
The invention describes a method and system for channelization through the application of a weighted chirp pulse. The impulse response of a desired filter...
LCD driver module and method thereof
A method for driving a multiplexed LCD panel (38). An LCD controller (20) controls the LCD panel (38) and provides a low power mode which refreshes a subset of...
Circuit and method for attenuating noise in a data converter
A data converter (10) and a method for attenuating noise in an output signal generated by the data converter (10). The data converter (10) includes a sigma-delta...
Class S radio frequency power amplifier
A radio frequency EER-type power amplifier is described in which pulse width modulation is utilized. Input rf signals are split into phase and amplitude paths by...
Mid supply reference generator
A mid supply reference generator (100, 200, 300) has a first resistance element (106, 206) coupled to a first supply. A second resistance element (108, 208) is...
Method of operating an AC-DC converter
An AC-to-DC-converter (100) for driving a dynamic load (160), such as a motor, has a rectifier bridge (110), a coil (120), and a switch (130) to boost an output...
Field emission device having a vacuum bridge focusing structure and
A field emission device (100, 150) includes a cathode plate (102, 180) having electron emitters (116), an anode plate (104, 170) having a phosphor (107, 207,...
Method and system for providing coordinated turn on of paralleled power
A power supply includes a turn on circuit which coordinates turn on of all paralleled power supplies supplying power to an electronic system such as a computer...
Bipolar transistor with increased early voltage
An improved bipolar transistor (202) has an increased Early voltage and can be integrated on a semiconductor die with MOS transistors (201) and other types of...
Ball grid array with recessed solder balls
A ball grid array for a multilayer ceramic package 500 is disclosed. Package 500 contains dielectric multilayer substrates 502 having transmission lines 504...
Method for manufacturing a semiconductor wafer using a threadless
corrosion-preventing gas ring
A method for manufacturing a semiconductor wafer begins by placing the wafer into a process chamber (74). A metal etch gas is then provided through a gas fitting...
Method for forming a conductive structure having a composite or
amorphous barrier layer
A method for forming an improved copper barrier layer begins by providing a silicon-containing layer (10). A physical vapor deposition process is then used to...
Method of processing a conductive layer and forming a semiconductor
A method for processing a conductive layer, such as a doped polysilicon layer (14) of a gate stack, provides a degas step after precleaning to reduce particle...
Multi-polyacid electrolytes for electrochemical cells and cells using
An electrolyte for an electrochemical cell is described comprising two or more polyanion-based compounds of the general formula: where M is selected from the group...
Latch system for battery housing
A latching system for a battery housing for a portable electronic device comprises a housing with an orifice, a button projecting through the orifice in the...
Translation mechanism for a chemical mechanical planarization system and
Chemical mechanical planarization (CMP) of semiconductor wafers presents a harsh abrasive and chemical environment for equipment used in a polishing process....
Communication device housing interconnect
A portable communication device assembly comprises a first communication device housing (12), a second communication device housing (14), and a snap retainer...
Method of testing sensors and apparatus therefor
An apparatus for testing sensors in a media includes a chamber portion (240) for holding the sensors, tanks (320, 340) for supplying the media to the chamber...
Portable radio communication device
Method of testing logic devices
A method of testing a logic device that includes the steps of identifying a first test vector corresponding to a test failure resulting from testing of the logic...
Method of testing multi-core processors and multi-core processor testing
A method of testing a multi-core processor that includes the steps of receiving a plurality of input signals from a plurality of processor cores (100), and...
Tri-state bus contention circuit preventing false switching caused by
A method of avoiding contention on a communications bus using an improved tri-state driver, which negates one of the internal driver signals during a restore...
Method device and article of manufacture for neural-network based
generation of postlexical pronunciations from...
A method (2000), device (2200) and article of manufacture (2300) provide, in response to lexical pronunciation information, efficient generation of postlexical...
Method of testing a vocabulary word being enrolled in a speech
A method of testing a new vocabulary word is performed using any set of enrollment utterances provided by the user or from an available database. The present...
Method and apparatus for mitigating audio degradation in a communication
Audio degradation is minimized in scenarios where tandem coding occurs. One such scenario is in the environment of voice mail service. Characteristics of an...
Method and apparatus for maintaining the integrity of spacecraft based
time and position using GPS
A method and apparatus for maintaining the integrity of spacecraft based time and position using GPS (11) is disclosed. A GPS receiver is provided with a...
Multiple band mixer with common local oscillator
A multiple band mixer (204) includes at least one transistor element (313, 324, 400). A single local oscillator provides a signal to one terminal of the at least...
Method of initializing a mobile communication device for making a
A mobile communication device (116) establishes a network connection with a server (120) and searches a database (122) for calling information associated with a...
Method and apparatus for subscriber unit location updating
A mobility processor (34) provides location update parameters to a subscriber unit (SU1-4). The location update parameters indicate conditions upon which the...
Method and apparatus for balancing uplink and downlink transmissions in
a communication system
A method and apparatus for balancing uplink and downlink signal transmissions in a code-division multiple access (CDMA) communication system (100) is disclosed....