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Patent # Description
US-6,697,621 Method and apparatus for providing services in a private wireless network
A visitor location register (140) of a private wireless network (130) is operable to interrogate multiple home location registers (126, 142). The VLR (140) may...
US-6,697,619 Digital beamforming acquisition system
A satellite communications system (10) provides for digital beamforming acquisition. The communications system (10) has an antenna configuration (20) for...
US-6,697,615 Communication quality data gathering apparatus and data processing method therefor
Communication quality measured between a base station and a mobile station in a radiotelephone system is associated with positional information at a point where...
US-6,697,614 Method and apparatus for distributed arbitration of a right to speak among a plurality of devices participating...
An agent (100) is associated with each of a plurality of devices (201-204) for arbitrating between a talk stream generated by the device and a listen stream...
US-6,697,349 System and methods for distributed connection and mobility processing in a multicast IP network incorporating...
A wireless communication system 200 comprises a connectionless packet network 201 coupled to a plurality of sites 203-208 that are in location areas 260, 261....
US-6,697,022 Antenna element incorporated in hinge mechanism
A antenna apparatus for an electronic device having a clam-shell movable housing includes an antenna element that serves as the mechanical spring for a hinge...
US-6,697,016 Self adjustment of a frequency offset in a GPS receiver
A global positioning system (GPS) receiver (102) has a reference oscillator (114) for use in synthesizing signals for use in receiving and acquiring GPS...
US-6,697,001 Continuous-time sigma-delta modulator with discrete time common-mode feedback
Systems and methods are described for a continuous-time sigma-delta modulator with discrete time common-mode feedback. The method includes calculating an...
US-6,696,866 Method and apparatus for providing a supply voltage based on an envelope of a radio frequency signal
An envelope tracking amplification system that includes an envelope tracking power supply (ETPS) amplifies a radio frequency (RF) signal to produce a linearized...
US-6,696,195 Direct methanol fuel cell including a water recovery and recirculation system and method of fabrication
A fuel cell device and method of forming the fuel cell device including a base portion, formed of a singular body, and having a major surface. At least one fuel...
US-6,696,189 Direct methanol fuel cell system including an integrated methanol sensor and method of fabrication
A fuel cell system and method of forming the fuel cell system including a base portion, formed of a singular body, and having a major surface. At least one fuel...
US-D487,084 Housing for a communication device or similar articles
US-D487,069 Housing for a communication device or similar articles
US-D487,068 Housing for a communication device or similar articles
US-6,694,158 System using a portable detection device for detection of an analyte through body tissue
A portable optical system includes interrogation of an implanted sensor located in a body tissue. The sensor contains a labeled analogue and a reference, which...
US-6,694,149 Method and apparatus for reducing power consumption in a network device
A method and apparatus for reducing power consumption in a network device (104, 105, 106, 107) is provided. A network device (104, 105, 106, 107) is placed in a...
US-6,693,968 Digital portable or mobile radio
A digital portable or mobile radio (2) includes signal transmission means (20, 22, 24), a controller (20) for periodically interrupting signal transmission by...
US-6,693,877 Data discard avoidance method
A method of avoiding the discarding of data in congested data networks includes receiving a data packet sent from a first station (15) to a first transceiver...
US-6,693,824 Circuit and method of writing a toggle memory
A magnetoresistive random access memory is operated in a toggle fashion so that its logic state is flipped from its current state to the alternate state when...
US-6,693,669 Method for reducing image blurring
A method for reducing blurring associated with objects forming part of a grey scale image. The method includes receiving (11) a set of image pixels and then...
US-6,693,572 Digital tuning scheme for continuous-time sigma delta modulation
Systems and methods are described for a digital tuning scheme for continuous-time sigma-delta modulation. The method includes integrating a voltage from a...
US-6,693,535 System and method for controlling the interior temperature of a vehicle
A passenger compartment monitoring and control system provides for remote control of an undesirable condition inside a vehicle. The passenger compartment...
US-6,693,490 Adjustable gain control system and method thereof
An adjustable gain control (AGC) system with improved gain control accuracy and method thereof is disclosed. The system includes an offset circuit for providing...
US-6,693,355 Method of manufacturing a semiconductor device with an air gap formed using a photosensitive material
A semiconductor structure (10) has one or more air gaps (44, 46) formed on a same layer with an interlevel dielectric (ILD) (30) using a common dielectric...
US-6,693,339 Semiconductor component and method of manufacturing same
A semiconductor component includes a first semiconductor region (110, 210) having a first conductivity type and a second semiconductor region (120, 220) above...
US-6,693,298 Structure and method for fabricating epitaxial semiconductor on insulator (SOI) structures and devices...
High quality epitaxial layers of monocrystalline materials can be grown overlying monocrystalline substrates such as large silicon wafers by forming a compliant...
US-6,693,033 Method of removing an amorphous oxide from a monocrystalline surface
A method of removing an amorphous oxide from a surface of a monocrystalline substrate is provided. The method includes depositing a passivation material...
US-6,693,020 Method of preparing copper metallization die for wirebonding
A method of preparing a semiconductor wafer having a integrated circuits formed on it that have pads formed of copper includes the steps of removing oxide from...
US-D486,821 Housing for a communication device or similar articles
US-6,691,284 Method for creating a characterized digital library for a digital circuit design
Embodiments of the present invention relate generally to the creation of characterized outputs for a digital cell based on an input circuit design and input...
US-6,691,274 Method for error correction in a communication system
Information packets are error encoded for transmission through a communication channel (34) in a communication system (10) using a variable payload outer code...
US-6,691,081 Digital signal processor for processing voice messages
A digital signal processor for processing data including voice messaging data that may have both voiced and unvoiced speech components utilizes computer routines...
US-6,691,071 Synchronizing clock enablement in an electronic device
A method of synchronizing enablement of a common clock for a main and a second processor in an electronic device having a low-power mode includes a first step of...
US-6,691,028 Server-based navigation system and method of operating same
A navigation system (20) having a service center (24) and a navigation unit (22) and a method of transmitting data to reduce the complexity of the navigation...
US-6,690,945 Method for suppressing transients using a pulse shaping look-up table
The pulse-shaping look-up table with transient suppression (530) avoids hard turn-on and turn-off transients by modifying word segments of initial and final...
US-6,690,916 Radio network for radio communication in an enclosed environment and a repeater for such a radio network
The invention discloses a radio network for radio communication in an enclosed environment such as a tunnel or an in-house environment including a first head end...
US-6,690,748 Receiver with improved digital intermediate to base band demodulator
A digital IF to base band demodulator (120) includes delta sigma samplers (202, 204) for sampling two channels of an IF signal at a sampling rate that is...
US-6,690,723 Decision-aided equalizer
In a method for channel equalization a communications receiver receives an input data stream comprising modulation symbols. A reduced set sequence estimation...
US-6,690,655 Low-powered communication system and method of operation
A communication system includes a network control facility (205), two downstream channels (212, 213), at least one remote interface unit (209, 210), and at least...
US-6,690,580 Integrated circuit structure with dielectric islands in metallized regions
This disclosure describes use of dielectric islands embedded in metallized regions of a semiconductor device. The islands are formed in a cavity of a dielectric...
US-6,690,144 Open loop inductor current control system and method
An open loop current control system for regulating the flow of electrical current in an inductor that utilizes two methods of monitoring the current flow in the...
US-6,689,680 Semiconductor device and method of formation
In accordance with one embodiment of the present invention, a semiconductor device underbump metallurgy (414) is formed over a semiconductor bond pad (128),...
US-6,689,676 Method for forming a semiconductor device structure in a semiconductor layer
A method for providing gates of transistors with at least two different work functions utilizes a silicidation of two different metals at different times,...
US-6,689,674 Method for selective chemical vapor deposition of nanotubes
A method of fabricating a nanotube structure which includes providing a substrate, providing a mask region positioned on the substrate, patterning and etching...
US-6,689,194 Fuel cell system having a replaceable getter element for purifying the fuel supply
Oxides of carbon and other impurities are removed from a hydrogen fuel supply stream (12) for a fuel cell (30). A getter element (20) sufficient for chemisorbing...
US-D486,459 Wireless phone
US-6,687,813 Data processing system and method for implementing zero overhead loops using a first or second prefix...
A data processing system has a pipelined architecture and looping capability that allows a sequence of instruction execution sets to be repeated N times. The...
US-6,686,931 Graphical password methodology for a microprocessor device accepting non-alphanumeric user input
A portable computing device or "information appliance" having terse user input (e.g., limit set of keys) is provided with a user interface for navigating user...
US-6,686,859 Digital-to-analog-converter
It is an objective to provide a digital-to-analog converter circuit that allows the value of the current output from each current source cell to be identical,...
US-6,686,852 Keypad layout for alphabetic character input
A layout for a keypad is provided that has a highly regular arrangement of alphabetic characters for ease of use thereof and a highly efficient distribution of...
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