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Patent # Description
US-D450,686 Communication system equipment enclosure
US-6,317,755 Method and apparatus for data backup and restoration in a portable data device
A portable data device (300) having a memory (302) is provided. The memory (302) is segmented into a plurality of sectors (304-312). A backup memory buffer (312)...
US-6,317,474 Method and apparatus for estimating time-of-arrival of a synchronization signal sent simultaneously from at...
At least two non-collocated transmitters (116) transmit (1604) a synchronization signal such that it includes at least three predetermined tone frequencies. A...
US-6,317,411 Method and system for transmitting and receiving signals transmitted from an antenna array with transmit...
In a method for wireless data communication between a base station and a subscriber unit in a wireless communication system, groups of symbols of an input data...
US-6,317,224 Method and apparatus for modifying facsimile data transfer rates based upon varying bit rates of a transport medium
An apparatus and method for modifying facsimile data transfer rates based upon varying bit rates of a transport medium. The apparatus includes a channel quality...
US-6,317,087 Antenna detent and latching system for satellite phones
An antenna detent and latching mechanism (300) for coupling to a radiotelephone and mating with a radiotelephone antenna stem (200) is provided. The antenna...
US-6,317,064 DC offset correction adaptable to multiple requirements
A DC offset correction method and apparatus. Several DC offset correction schemes including a digital binary search scheme (100), a digital slow averaging scheme...
US-6,316,968 Sense amplifier circuit
A sense amplifier circuit (10) utilizes two current mirror amplifiers (11, 12) to determine the state of the memory cell. Multiple current mirrors are used in...
US-6,316,956 Multiple redundant reliability enhancement method for integrated circuits and transistors
In a fault-tolerant integrated power circuit, a plurality of power transistors, each having a power source electrically coupled to a common source line, a power...
US-6,316,916 Method and mechanism to prevent corruption of data
A circuit for preventing corruption of battery-specific data transferred from a battery-specific data element to a battery charger when a battery is electrically...
US-6,316,359 Interconnect structure in a semiconductor device and method of formation
In one embodiment, a conductive interconnect (38) is formed in a semiconductor device by depositing a dielectric layer (28) on a semiconductor substrate (10)....
US-6,315,204 Optical code reader and methods and articles therefor
A method comprises steps of sensing a first user action, transmitting a first optical message in response to the first user action, and performing at least one...
US-6,314,519 Secure messaging system overlay for a selective call signaling system
A secure messaging system (900) generates a secure financial transaction message. A wireless selective call signaling system controller (102) receives the secure...
US-6,314,301 Method and apparatus for assigning a mobile station to a communication resource
In a wireless communication system (100) affinity groups to which a mobile station (114) belongs are identified (504). Historical affinity strengths between the...
US-6,314,095 Method and apparatus for a high-speed multimedia content switch with compressed internet protocol header
An IP packet (210) is retrieved having a header and a payload. The header of the IP packet is compressed. The payload is appended to the compressed header to...
US-6,314,023 Non-volatile programming elements for redundancy and identification in an integrated circuit
An integrated circuit device using electrically programmable non-volatile memory cells, such as a single polysilicon having a single polysilicon level, for...
US-6,314,020 Analog functional module using magnetoresistive memory technology
One or more multi-state magnetoresisitive memory elements (MRMEs) are used as the primary building block for various analog functional components implemented in...
US-6,313,787 Method and apparatus for assisted GPS protocol
A cellular network protocol which minimizes the required data flow between the cellular infrastructure and each mobile handset supporting a GPS based positioning...
US-6,313,774 Delta-sigma analog-to-digital converter, and method
An analog-to-digital converter (200) has a first stage (207) to integrate and quantize the difference between a feedback signal (R) and an input signal (X) to a...
US-6,313,736 Method and apparatus in a selective call communication system for identifying a category of information...
A method and apparatus in a selective call communication system is used for transmitting a message of a message type selected from non-maildrop and maildrop...
US-6,313,732 Advertiser pays information and messaging system, apparatus and method
A system and apparatus for permitting a user of a selective call receiver (31) to receive a certain number of personal messages and information service updates...
US-6,313,693 Voltage ratio control circuit for use during power transitions
An electronics module (FIG. 1, 30) requires two distinct voltage inputs (V.sub.1, V.sub.2) and can be damaged when the difference between the two voltages...
US-6,313,664 Load capacitance compensated buffer, apparatus and method thereof
A primary driver is activated to drive an output signal in response to an input signal. A reference signal is generated in response to the input signal. The...
US-6,313,567 Lithography chuck having piezoelectric elements, and method
A lithography chuck (100) holds a flat object (150), such as a semiconductor wafer (150) at the backside (152). The chuck has, supported on a base plate (105), a...
US-6,313,024 Method for forming a semiconductor device
In one embodiment of the invention, conductive support structures (112) are formed within an interlevel dielectric layer. The conductive support structures (112)...
US-6,311,306 System for error control by subdividing coded information units into subsets reordering and interlacing the...
The invention provides a method of interleaving information units in order to provide improved error control. A communication device codes the information units,...
US-6,311,167 Portable 2-way wireless financial messaging unit
A portable 2-way secure financial messaging unit (906) includes a receiver (804), a selective call decoder (1004), a financial transaction processor (1014), a...
US-6,311,066 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-6,311,044 Method and apparatus for determining failure modes of a transceiver
A method for determining failure modes of a transceiver (100) includes applying a control signal (121) to a transmitter (130) of transceiver (100). The power...
US-6,310,992 Method and apparatus for interconnecting multiple modular devices in a communication system
An apparatus (100), comprising multiple modular electrical devices (102, 104, 504) and an optical signal source (106), all coupled to an optical communication...
US-6,310,856 CDMA communications system having a searcher receiver and method therefor
A wideband CDMA handset (20) has a receiver (50) which simplifies initial sequence acquisition. The receiver (50) includes an efficient searcher receiver (54)...
US-6,310,576 Method of identifying location using a master clock to synchronize time of arrival signals
A method is provided of identifying position location of a transmitter device, such as a mobile or portable, in an inbound system. The inbound system includes...
US-6,310,403 Method of manufacturing components and component thereof
A method of manufacturing components includes providing a substrate (110, 531, 631, 700) having a first coefficient of thermal expansion (CTE), having a first...
US-6,309,966 Apparatus and method of a low pressure, two-step nucleation tungsten deposition
An apparatus and method of tungsten via fill using a low pressure, 2-step nucleation tungsten deposition process. The tungsten via fill includes a silane soak, a...
US-6,309,918 Manufacturable GaAs VFET process
A manufacturable GaAs VFET process includes providing a doped GaAs substrate with a lightly doped first epitaxial layer thereon and a heavily doped second...
US-6,309,912 Method of interconnecting an embedded integrated circuit
A method of interconnecting electrical terminations (12) of an integrated circuit die (30) to corresponding circuit traces (22) of a circuit carrying substrate...
US-6,309,908 Package for an electronic component and a method of making it
An electrical 100 and a method of making the package is disclosed. Specifically the package 100 contains a lid 101 with at least one opening 105 through the lid...
US-6,308,577 Circuit and method of compensating for membrane stress in a sensor
A circuit and method for correcting a sense signal of a sensor (100) where the sense signal is reduced by a negative nonlinear error component introduced by...
US-D449,826 Cellular flip phone
US-6,308,308 Semiconductor device using diode place-holders and method of manufacture thereof
In operation, a standard cell library having diode place-holders (16) associated with standard cell inputs (12) is used to design a standard cell-based...
US-6,308,294 Adaptive hybrid ARQ using turbo code structure
A generic structure of Hybrid ARQ using Turbo Codes is provided which requires the function of a) channel coding, b) redundancy selection, c) buffering and...
US-6,308,079 Method and apparatus for a talkgroup call in a wireless communication system
In a wireless code-division multiple access (CDMA) system (100), a talkgroup (101) of subscriber units is provided. A sub-talkgroup (102) of subscriber units,...
US-6,308,077 Apparatus and method for providing synchronization of base-stations in a communication system
A communication system (105) utilizes the global positioning system (GPS) to maintain a high degree of accuracy of synchronization of base-stations (115-116)....
US-6,308,072 Method and apparatus for controlling a wireless communication system
A simulator/controller (113) performs real-time simulation for system control in a code-division multiple access (CDMA) wireless communication system (100). The...
US-6,308,050 Dual band mobile phone using the same intermediate frequency for both bands
A radio which can operate in two separate frequency bands, with size, weight, and cost that is comparable with a conventional unit that can operate in only one...
US-6,307,904 Clock recovery circuit
An edge detector (10) detects edges of clock pulses in a digital signal and provides edge detect pulses to a state corrector (20). A state sequencer (15)...
US-6,307,901 Turbo decoder with decision feedback equalization
A decoder equalizes a turbo coded signal with intersymbol interference by performing a decision-feedback equalization in each iteration of the turbo decoding...
US-6,307,892 Multicarrier communication system and method for peak power control
A communication device for simultaneously transmitting information on multiple sub-channels encodes information for each of the multiple sub-channels with a...
US-6,307,861 Method and system for multicast using a satellite network
A multicast message is transmitted from an originating subscriber unit (110, FIG. 1) through a network of satellite communications nodes (120, 130, and 140) to a...
US-6,307,846 Method and system in wireless communication system for scheduling messages to reduce the quick paging channel...
The method operates in a wireless communication system (100) that includes a paging channel (202) and a plurality of quick paging channels (204). A plurality of...
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