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Patent # Description
US-6,138,012 Method and apparatus for reducing signal blocking in a satellite communication system
A communication system is established for providing dual-coverage areas using communication satellites, one or more terrestrial stations and one or more...
US-6,138,011 Method and apparatus for providing dispatch service to an existing telephone network
A dispatch controller (103) located logically external to an existing telephone network (101) is coupled to the existing telephone network. When an originating...
US-6,138,010 Multimode communication device and method for operating a multimode communication device
A method and communication device (102) provide multimode communication with multiple autonomous communication systems including a first communication system...
US-6,137,999 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...
US-6,137,997 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...
US-6,137,996 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...
US-6,137,995 Circuit and method of generating a phase locked loop signal having an offset reference
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...
US-6,137,994 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...
US-6,137,883 Telephone set having a microphone for receiving an acoustic signal via keypad
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...
US-6,137,867 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...
US-6,137,852 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...
US-6,137,845 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...
US-6,137,837 Motion estimation for digital video with reduced number of search window pixels
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,...
US-6,137,830 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...
US-6,137,802 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...
US-6,137,796 Packet non-replicating comparator device for digital simulcast packet distribution
A packet non-replicating comparator device for use in a digital simulcast radio communication system generates a single seed copy of a timestamped information...
US-6,137,773 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...
US-6,137,690 Electronic assembly
An electronic assembly (10) comprises one or more electronic components (18) having solder terminations (20), and a printed circuit substrate (12) having printed...
US-6,137,654 Device having a diskette-like housing and a wireless transceiver and methods therefor
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...
US-6,137,612 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...
US-6,137,466 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...
US-6,137,429 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...
US-6,137,358 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...
US-6,137,347 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...
US-6,137,272 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...
US-6,137,213 Field emission device having a vacuum bridge focusing structure and method
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,...
US-6,137,190 Method and system for providing coordinated turn on of paralleled power supplies
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...
US-6,137,154 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...
US-6,137,062 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...
US-6,136,718 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...
US-6,136,682 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...
US-6,136,678 Method of processing a conductive layer and forming a semiconductor device
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...
US-6,136,469 Multi-polyacid electrolytes for electrochemical cells and cells using same
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...
US-6,136,467 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...
US-6,135,855 Translation mechanism for a chemical mechanical planarization system and method therefor
Chemical mechanical planarization (CMP) of semiconductor wafers presents a harsh abrasive and chemical environment for equipment used in a polishing process....
US-6,135,582 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...
US-6,134,941 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...
US-D432,528 Speakerphone accessory
US-D432,509 Portable radio communication device
US-6,134,689 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...
US-6,134,675 Method of testing multi-core processors and multi-core processor testing device
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...
US-6,134,620 Tri-state bus contention circuit preventing false switching caused by poor synchronization
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...
US-6,134,528 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...
US-6,134,527 Method of testing a vocabulary word being enrolled in a speech recognition system
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...
US-6,134,521 Method and apparatus for mitigating audio degradation in a communication system
Audio degradation is minimized in scenarios where tandem coding occurs. One such scenario is in the environment of voice mail service. Characteristics of an...
US-6,134,484 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...
US-6,134,452 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...
US-6,134,450 Method of initializing a mobile communication device for making a dispatch call
A mobile communication device (116) establishes a network connection with a server (120) and searches a database (122) for calling information associated with a...
US-6,134,446 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...
US-6,134,444 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....
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