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Patent # Description
US-6,141,638 Method and apparatus for coding an information signal
A speech coder (400) for coding an information signal varies the codebook configuration based on parameters inherent in the information signal. The speech coder...
US-6,141,569 Portable electronic device and method of coupling power thereto
A novel portable electronic device including a first housing portion (106) having a first battery (135) integrally associated with the first housing portion and...
US-6,141,564 Method of sharing a SIM card between two masters
Method and apparatus for sharing a SIM card between two masters. The invention may be embodied in so-called multi-mode radiotelephones that use SIM cards to...
US-6,141,563 SIM card secured subscriber unit
A subscriber unit (101) includes a SIM card reader (107) for receiving a SIM card (105). The subscriber unit (101) is serialized and has stored therein an...
US-6,141,560 Communication device providing dual mode operation
A cellular cordless telephone (10) operates with both a cordless base station (180) and a cellular base station (190) and cellular control terminal (196). In one...
US-6,141,559 Method and apparatus for performing selection and distribution in a communication system
A communication system (100) that includes base stations (103-109) comprising selection circuitry (207) is provided herein. The determination of a call anchoring...
US-6,141,558 Method and apparatus for locating a subscriber unit in a communication system
After determining a distressed mobile subscriber communication unit 100 is within a communication coverage area (60) of a base transceiver station (BTS) (22), a...
US-6,141,548 Method and apparatus for location based intercept in a communications system
A method and apparatus for providing location-based intercept in a system includes an intercept monitoring unit (210) for dynamically modifying an intercept...
US-6,141,546 Mobile telephone systems
In a mobile cellular communication system, adjacent basestations BS1-BS4 are assigned different selections of different frequency channels to communicate with...
US-6,141,543 Method and apparatus for simulcast space diversity transmission of a message in a radio messaging system
At least two subsets (204, 208) of simulcast transmitters are defined (802) that produce differing simulcast distortion characteristics at a receiver (210), and...
US-6,141,542 Method and apparatus for controlling transmit diversity in a communication system
Different orthogonal codes (W.sub.x, W.sub.y) are used to spread common pilot channels (Pilot.sub.A) intended for transmission to a particular mobile station...
US-6,141,541 Method, device, phone and base station for providing envelope-following for variable envelope radio frequency...
A method (200) and device (100) provide an efficient linear power amplifier that generates a variable-envelope radio frequency RF signal. The method includes the...
US-6,141,540 Dual mode communication device
A communication device (100) operates in first and second modes of operation including a dispatch mode of operation and a telephone mode of operation. The device...
US-6,141,535 Communication systems for controlling registration of selective call devices
A method in a communication system (100) having at least a first and a second base stations (104, 108) for communicating with selective call devices (102)...
US-6,141,533 Method and apparatus for a mobile repeater
A mobile repeater (300) is improved to include a database (303) that allows the mobile repeater to store registrations received from subscriber units. ...
US-6,141,454 Methods for data compression and decompression using digitized topology data
A digitized topology data compression and decompression method provides the digitized topology data of a collection of segments connected to each other via...
US-6,141,453 Method, device and digital camera for error control and region of interest localization of a wavelet based...
The present invention provides a method (200, 400, 500, 600), device (300, 400, 500, 600, 700) and digital camera (800) for error control of a wavelet-based...
US-6,141,436 Portable communication device having a fingerprint identification system
A portable communication device (100, 300, 400, 500) comprises a fingerprint identification system (709) including a scanner (115) for scanning a fingerprint...
US-6,141,393 Method and device for channel estimation, equalization, and interference suppression
A method and device in a communication system including a receiver having a plurality of receiving antennas for receiving a plurality of information bursts...
US-6,141,387 Digital QAM modulator using post filtering carrier recombination
The efficient quadrature amplitude modulator of the present invention allows from 6 to 8 independent compressed channels to occupy a 6 MHz bandwidth while...
US-6,141,347 Wireless communication system incorporating multicast addressing and method for use
A wireless communication system 200 comprises a connectionless packet network 201 coupled to a plurality of sites 203-208 that are in wireless communication with...
US-6,141,341 Voice over internet protocol telephone system and method
An Internet Protocol telephone system and method uses a telephone (26) to place and receive voice over Internet Protocol (VoIP)-based telephone calls and public...
US-6,141,331 Selective call receiver with automatic re-registration capability
An SCR (Selective Call Receiver) (16) that operates in a satellite communication system automatically initiates a re-registration procedure when it roams from...
US-6,141,200 Stacked PFET off-chip driver with a latch bias generator for overvoltage protection
Series-connected stacked PFETS are employed in an off-chip driver output stage. When the output driver is enabled, the gate of the PFET transistor directly...
US-6,140,976 Method and apparatus for mitigating array antenna performance degradation caused by element failure
An array antenna (10) having a plurality of antenna elements (12) keeps only a subset of elements active during normal antenna operation. When a failure of one...
US-6,140,854 System with DLL
A system (50) has a shifting delay circuit (60) which provides a variable delay for delaying a source clock and a delay locked loop (DLL) (70) which includes a...
US-6,140,807 Electronic device and associated method for charging an energy storage circuit with a DC-DC converter
An electronic device includes an electrical circuitry interface (112) adapted for coupling with an energy source (106), a comparator (138), and a DC-DC converter...
US-6,140,764 Organic electroluminescent apparatus with mircrocavity
Organic electroluminescent apparatus including an organic electroluminescent device (11) for emitting blue to blue-green light. A microcavity structure (12)...
US-6,140,703 Semiconductor metallization structure
A high temperature metallization system for use with a semiconductor device (23). The semiconductor device (23) has a multi-layer metallization system (36). An...
US-6,140,576 Protective shield tent and method of using same
Protective shield tent (100, 300, 400) provides a portable and repeatable method for protecting assemblies during various stages of a manufacturing process....
US-6,140,212 Semiconductor device and method therefor
A semiconductor device (10) is formed to have multiple external connection pads (17, 18) for an active element (12). The multiple external connection pads (17,...
US-6,140,184 Method of changing the power dissipation across an array of transistors
A field effect transistor (30) has an array of transistors (31) made up of bonding pads (45-47) and sub-arrays of transistors (41-43). The bonding pads (45-47)...
US-6,140,020 Method for manufacturing a semiconductor wafer using a mask that has several regions with different scattering...
A lithographic mask (FIG. 9 or FIG. 10) that is primarily used for SCALPEL processing has a substrate (100). Layers (102, 104, 106, 108, 110, and 112) are formed...
US-6,139,696 Method and apparatus for forming a layer on a substrate
A method and an apparatus for forming a layer on a substrate are disclosed. In accordance with one embodiment, a substrate (901) is placed into a chamber (30)...
US-6,139,364 Apparatus for coupling RF signals
A unique apparatus for coupling radio frequency (RF) signals from a wireless communication device (200) to an external device by way of an I/O port (116). In...
US-6,139,079 Universal transport apparatus
A transport head (10) and a method for transporting flux and solder balls (50) to locations for bonding pads (46) on a workpiece (44). To transfer flux, a first...
US-D433,001 Housing for a two-way communications device
US-D432,983 Battery charger
US-6,138,247 Method for switching between multiple system processors
In a method for switching between multiple system processors (152,172) on a CompactPCI bus (110,120), when a standby system processor (172,152) determines a...
US-6,138,229 Customizable instruction set processor with non-configurable/configurable decoding units and ...
A customizable instruction-set processor (10) implements complex, time-consuming operations by reconfiguring a portion of an instruction execution unit (34) to...
US-6,138,204 Multi bus access memory
The present invention relates to memory and methods for storing/retrieving data in/from the memory that is accessed by at least two distinct data uses of...
US-6,138,151 Network navigation method for printed articles by using embedded codes for article-associated links
A network navigation method includes steps of reading a first code (24) from an object (12), communicating a portion of the first code (24) to a first database...
US-6,138,048 Methods and devices for controlling a disk drive
The present invention provides a control system (200) having a digital controller (212) producing output signals at a plurality of update times. Control...
US-6,138,042 Method, device, phone, and base station for providing an efficient tracking power converter for variable signals
A method (300, 400), device (100, 200), phone (200) and base station (200) provide an efficient tracking power converter for variable signals. The tracking power...
US-6,138,040 Method for suppressing speaker activation in a portable communication device operated in a speakerphone mode
In a portable communication device (100) operated in a speakerphone mode, when no speech is present in either the outbound signal received from a communication...
US-6,138,034 Method for transmitting a quick paging channel at different power levels
The present invention provides a method for transmitting a quick paging channel at different power levels at a base station. The quick paging channel includes...
US-6,138,032 Method and apparatus for dynamically adjusting a battery saving interval in a messaging system
A battery saving interval utilized for communicating with a portable subscriber unit (122) in a radio communication system is dynamically adjusted. An occurrence...
US-6,138,030 Communications system for providing multiple services and hold capability of at least one service, and method...
A communications system infrastructure (100), such as an integrated services radio system, is provided with a hold processor (126). The hold processor is...
US-6,138,021 Method and apparatus for providing deterministic hand-offs in a cellular communication system
In cellular communication systems, hand-offs are performed to maintain links as subscriber units (110) and cells (420, 450) move relative to each other. The...
US-6,138,018 Method for controlling a cell-registration feature of a mobile in a wireless communication system
A wireless communication system includes switching infrastructure (150) and at least one location area ("LA") having a multiplicity of cells (the "multiple-cell...
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