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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...
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...
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...
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...
Method and apparatus for performing selection and distribution in a
A communication system (100) that includes base stations (103-109) comprising selection circuitry (207) is provided herein. The determination of a call anchoring...
Method and apparatus for locating a subscriber unit in a communication
After determining a distressed mobile subscriber communication unit 100 is within a communication coverage area (60) of a base transceiver station (BTS) (22), a...
Method and apparatus for location based intercept in a communications
A method and apparatus for providing location-based intercept in a system includes an intercept monitoring unit (210) for dynamically modifying an intercept...
Mobile telephone systems
In a mobile cellular communication system, adjacent basestations BS1-BS4 are assigned different selections of different frequency channels to communicate with...
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...
Method and apparatus for controlling transmit diversity in a
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...
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...
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...
Communication systems for controlling registration of selective call
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)...
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. ...
Methods for data compression and decompression using digitized topology
A digitized topology data compression and decompression method provides the digitized topology data of a collection of segments connected to each other via...
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...
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...
Method and device for channel estimation, equalization, and interference
A method and device in a communication system including a receiver having a plurality of receiving antennas for receiving a plurality of information bursts...
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...
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...
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...
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...
Stacked PFET off-chip driver with a latch bias generator for overvoltage
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...
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...
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...
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...
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)...
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...
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....
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,...
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)...
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...
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)...
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...
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...
Housing for a two-way communications device
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Method and apparatus for providing deterministic hand-offs in a cellular
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...
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...
Method for location based intercept in a communication system
A method for providing location based intercept in a satellite communications system (10) includes the steps of determining a location area of a party (220),...