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Patent # Description
US-6,751,461 Apparatus and method for operating a communication unit using a default channel
A method (30) for operating a communication unit on a default channel that is selected from a plurality of communication channels is disclosed. The method (30)...
US-6,751,302 Method and apparatus for providing an automated selection of a telecommunication service from among a plurality...
A method and apparatus is provided for providing an automated selection of a telecommunication service from among multiple telecommunication services. In a...
US-6,751,296 System and method for creating a transaction usage record
A method of creating a transaction usage record is provided. An input signal is received. A transaction usage record is created in response to the input signal....
US-6,751,264 Receiver and method therefor
Embodiments of the present invention relate generally to receivers. One embodiment relates to a digital FM receiver having multiple sensors (e.g. antennas). In...
US-6,750,704 Offset compensated differential amplifier
A differential amplifier comprises a differential input stage including first and second input devices and has first and second input electrodes and first and...
US-6,750,524 Trench MOS RESURF super-junction devices
A RESURF super-junction device (51) is provided which comprises a plurality of electrodes (53) disposed in a layer of a first material (61) having a first...
US-6,749,407 Method of installing valves in a micro-pump
An exemplary method for making a micropump device is disclosed as providing inter alia a substrate (300), an inlet opening (310), and outlet opening (340), a...
US-6,749,105 Method and apparatus for securing a metallic substrate to a metallic housing
A method for securing a metallic substrate (24) to a metallic housing (26). The method may include: firing a first solderable coating (64) to an edge (60) of the...
US-D491,543 Housing for communication device and similar articles
US-6,748,558 Performance monitor system and method suitable for use in an integrated circuit
A performance monitor system includes a core processor (115), a core processor associated device, such as a cache (123), and first logic, such as performance...
US-6,748,324 Method for determining location information
A method is provided for estimating relative location information for wireless devices. Individual estimates are obtained from two or more alternative means that...
US-6,748,232 Apparatus and method for power control in a radio communication system
An apparatus and method for power control in a CDMA system for radio communication between a first station and a second station. At the first station an...
US-6,748,231 Method and apparatus for controlling power during a dispatch group call
Preferred embodiments of a method and an apparatus for controlling power during a dispatch group call in a wireless communication system are described. A base...
US-6,748,230 Method and apparatus for updating announcement group information
Method and apparatus for updating a subscriber unit with an announcement group identification. A subscriber unit (210) requests affiliation (301) with a talk...
US-6,748,211 Device and method for transmitting a message from a client device to a service center
A client device in a communication system having a service center. The client device includes a microcomputer and a wireless communication device. The...
US-6,748,195 Wireless device having context-based operational behavior
A wireless device uses profiles associated with one or more contexts, which defines various operating situations. Depending on a context, the wireless device...
US-6,747,993 Method and apparatus for adjusting a communication timer in a communication network
A method and apparatus for adjusting a communication timer (306) for a communication network is described herein and comprises a communication device (302)...
US-6,747,987 Transmit modulation circuit and method of operating a transmitter
A transmitter (100) includes a fractional N synthesizer, a baseband digital modulation stage coupled to the fractional N synthesizer in a first modulation mode,...
US-6,747,685 Conference calling
A method of conducting a conference call, comprising: identifying a user (2) of a first communication unit (12) speaking during the conference call; transmitting...
US-6,747,585 Method and apparatus for increasing a dynamic range of a digital to analog converter
A digital to analog converter with increased dynamic range and improved linearity and method therefore includes an input (109) coupled to a digital word; a...
US-6,747,494 PPL arrangement, charge pump, method and mobile transceiver
A charge pump arrangement for a phase-locked-loop has a current source circuit (60) which provides charging current to the phase locked loop, and a current sink...
US-6,747,434 Methods and devices for controlling stepper motors
In one embodiment, the invention involves a method for controlling a stepper motor. The method includes creating an information set that defines a first...
US-6,747,365 Vehicle active network adapted to legacy architecture
A vehicle active network (12) communicatively couples devices (14-20) within a vehicle (10). Device operation is independent of the interface (22-28) of the...
US-6,747,332 Semiconductor component having high voltage MOSFET and method of manufacture
A semiconductor component includes a semiconductor substrate (310) having a first conductivity type, a first semiconductor device (320) at least in a first...
US-6,745,315 Generation of address pattern through employment of one or more parameters to store information at parts of...
Controller component (155) of system (100) generates address pattern (902) through employment of one or more parameters (205), to store information (810) at a...
US-6,745,038 Intra-piconet location determination and tomography
A technique for intra-piconet location determination and tomography is described. This technique uses received signal strength indicator (RSSI) values in...
US-6,745,015 Method for automatic carrier suppression tuning of a wireless communication device
This invention is a method of carrier suppression tuning of a wireless communication device (100) utilizing a quadrature modulator (104) in a transmission path...
US-6,745,006 Communication system utilizing a constellation of satellites and method therefor
A communication system (20) utilizing a constellation (22) of satellites (24) is presented. A source ground station (52) transmits an uplink signal (34)...
US-6,744,890 Keypad module and electronic apparatus with keypad module
A keypad module for use with an electronic device has a first side with a first set of keys and a second side having a second set of keys, so that one set of...
US-6,744,740 Network protocol for wireless devices utilizing location information
A system and method for establishing a network within a plurality of interconnected and randomly geographically located nodes, such as wireless devices. One or...
US-6,744,663 Circuit and method for reading a toggle memory cell
A MRAM toggle type memory cell is read by first providing a first signal representative of the initial state to a sense amplifier (1300, 1500). A resistance of...
US-6,744,494 Continuously adjustable neutral density area filter
An apparatus for compensating light exposure on different, subsequently irradiated target areas (11, 12) in a photosensitive medium (2) on a semiconductor wafer...
US-6,744,316 Method and apparatus far reduction of distortion in a transmitter
A transmitter includes a feed forward amplifier that includes main signal path having a radio frequency (RF) power amplifier, a feed forward correction circuit,...
US-6,744,264 Testing circuit and method for MEMS sensor packaged with an integrated circuit
A MEMS sensor packaged with an integrated circuit includes switches and control circuitry. In a test mode, the control circuitry causes the switches to turn off...
US-6,744,117 High frequency semiconductor device and method of manufacture
A semiconductor device (10) having a gate (15), a source (19), and a drain (20) with a gate bus (25) and first ground shield (24) patterned from a first metal...
US-6,743,668 Process for forming a metal oxy-nitride dielectric layer by varying the flow rate of nitrogen into the chamber
The invention relates to a semiconductor device and the process of forming a metal oxy-nitride gate dielectric layer or a metal-silicon oxy-nitride gate...
US-6,743,543 Fuel cell using variable porosity gas diffusion material
A fuel cell (100) includes a membrane electrode assembly (110) located together with a layer of variable porosity porous gas diffusion material (150). The...
US-D490,786 Portable radio
US-6,741,874 Method and apparatus for reducing echo feedback in a communication system
A method and apparatus for reducing echo feedback in a wireless communication system (10) is accomplished when a receiving communication unit (24) senses a...
US-6,741,873 Background noise adaptable speaker phone for use in a mobile communication device
A mobile communication device (100) determines a background noise level at a microphone (104). If, after determining the noise floor, the input signal exceeds a...
US-6,741,857 Access method and apparatus for a wireless local loop telephone network
A fixed wireless terminal utilizes a method for accessing a wireless local loop (WLL) telephone network to provide both a diagnostic mode of operation and a...
US-6,741,844 Receiver for audio enhancement and method therefor
A receiver (10) includes an antenna (12), a preselector (14), an amplifier (16), a mixer (18), a filter (20), a signal strength measurement circuit (22), a radio...
US-6,741,842 System and method for frequency management in a communication device having a positioning device
A frequency management scheme for a hybrid cellular/GPS or other device generates a local clock signal for the communications portion of the device, using a...
US-6,741,840 RF transmitters with saturation detection and correction and methods therefor
Methods in radio communications devices having a transmitter with an integral control loop, and in other integral control systems, including generating a first...
US-6,741,554 Method and apparatus for reliably communicating information packets in a wireless communication network
A wireless communication network (100) employs a method and apparatus for reliably communicating information packets in the network. A first wireless device...
US-6,741,194 Methods and apparatus for detecting out-of-range signals in an analog-to-digital converter
An analog-to-digital (A/D) converter suitable for use with redundant signed digit (RSD) coverter stages is provided with an out-of-range (OOR) detection circuit....
US-6,740,824 Ground connector assembly with substrate strain relief and method of making same
A ground connector assembly (20) having a substrate (22) and a ground member (24). The substrate (22) is used to retain an electrical circuit and has a ground...
US-6,738,948 Iteration terminating using quality index criteria of turbo codes
A method of terminating iteration calculations in the decoding of a received convolutionally coded signal includes a first step of providing a turbo decoder with...
US-6,738,914 Method and apparatus for determining whether to wake up a system by detecting a status of a push button switch...
A communication system (100) includes a control unit (101) electronically coupled to a pushbutton switch (129). The control unit (101) includes a wake-up circuit...
US-6,738,902 Systems and methods for controlling authorized intercept
Authorized intercepts of communications in a communications system such as a satellite communications system (10) are controlled. Each law enforcement agency...
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