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Patent # Description
US-6,493,559 Method for receiving SMSCB messages during GPRS/EDGE data transfer mode
An unacknowledged, reliable short message service cell broadcast message reception protocol method to enable short message service cell broadcast messages to be...
US-6,493,556 Apparatus and method for message routing using disparate communications networks
A master routing hub (50, FIG. 1 ) selects a communications path which enables subscriber units (10, 140) using disparate networks to communicate with each...
US-6,493,497 Electro-optic structure and process for fabricating same
High quality epitaxial layers of oxide can be grown overlying large silicon wafers by first growing an accommodating buffer layer on a silicon wafer. The...
US-6,493,198 Electrostatic discharge protection device for a high density printed circuit board
An electrostatic discharge protection device for a high-density printed circuit board consists of a layered structure starting at the bottom layer with a ground...
US-6,492,874 Active bias circuit
An active bias circuit 30 connected to a power amplifier PA maintains a power amplifier DC quiescent current at a fixed value over a wide temperature range. The...
US-6,492,792 Battery trickle charging circuit
This invention includes a trickle charging circuit that works with a series charging element to charge battery cells with a low, constant current when the...
US-6,492,717 Smart card module and method of assembling the same
A module (10) for use with a smart card (50) is disclosed. The module (10) includes a substrate (14) having a first side (16) and a second side (18). The first...
US-6,492,686 Integrated circuit having buffering circuitry with slew rate control
Buffering circuitry (10) uses pull-up slew rate control circuitry (12) and pull-down slew rate control circuitry (14) to control the rising and falling slew...
US-6,492,232 Method of manufacturing vertical semiconductor device
An n-channel device (10) and a p-channel device (11) are formed from a single epitaxial silicon layer (60,61). During the deposition of the single epitaxial...
US-6,492,202 Method of assembling components onto a circuit board
An electronic component includes a semiconductor device (320) over a circuit board (210, 910), a heat sink (240, 940) over the semiconductor device, a clip (250,...
US-6,491,560 Array tile system and method of making same
A tile (10) having a plurality of grooves (22). An array of tiles (10) is assembled by placing at least two tiles (10) in generally opposing relationship to one...
US-6,491,451 Wafer processing equipment and method for processing wafers
A wafer processing equipment comprises a track (10) for transporting wafers, a wafer launch station (20) for launching wafers into a section of said track (10),...
US-6,491,257 Technique for satellite constellation growth
Due to the large up front cost in fielding a full capacity satellite constellation (100), it is desirable to have the ability to modify the constellation after...
US-6,490,645 Optimized random access scheme for a shared response
A method by which a plurality of users share access to a resource such as a common communications channel. Each user is assigned a priority and is provided with...
US-6,490,452 Group handover in a cellular communications network
A cellular communications system permits handover of a group of mobile stations (15) having like characteristics from a base station (13) operating in one type...
US-6,490,448 Snap to grid variable beam size digital beamforming system
A satellite communications system (10) provides for snap to grid variable beam size digital beamforming. The communications system (10) has an antenna...
US-6,490,440 Digital transmitter circuit and method of operation
A transceiver (10) includes a transmitter (16) that receives a digital data stream from a digital signal processor (18) to delay lines (20, 30). The delay lines...
US-6,490,326 Method and apparatus to correct for in-phase and quadrature-phase gain imbalance in communication circuitry
Communication apparatus (100) corrects for amplitude imbalance caused by differences in circuitry that process in-phase and quadrature signals. The in-phase and...
US-6,490,283 Communication system with communication controller and multiple physical interfaces, and method
A communication system (600) has a first processor (210) and a second processor (220). The first processor (210) has a first number of address bits (e.g., A=5)...
US-6,490,262 Interference in a cellular communications system
A method of, and apparatus for, processing interference in a cellular communications system. The method includes the steps of determining a quality value per...
US-6,490,225 Memory having a synchronous controller and asynchronous array and method thereof
A memory controller portion of a DRAM is synchronized to a system clock, while an array portion of the DRAM is allowed to process signals at the array's natural...
US-6,490,168 Interconnection of circuit substrates on different planes in electronic module
An electronic module (20) includes a first circuit substrate (40) and a second circuit substrate (44). The first circuit substrate (40) has a post surface (50)...
US-6,489,914 RSD analog to digital converter
A RSD analog to digital converter has an RSD stage that in turn has a switched capacitor integrator (SCI). The SCI uses an operational amplifier. A capacitor,...
US-6,489,229 Method of forming a semiconductor device having conductive bumps without using gold
A semiconductor device (10) includes a solder bump (40) that is formed using a gold-free under-bump metallurgy (UBM) (21). In a preferred embodiment, UBM (21)...
US-6,489,211 Method of manufacturing a semiconductor component
A method of manufacturing a semiconductor component includes providing a composite substrate (300) with a dielectric portion and a semiconductor portion and...
US-6,489,083 Selective sizing of features to compensate for resist thickness variations in semiconductor devices
A process for forming a masking database that includes defining a first feature level for the masking database corresponding to a first layer. The first feature...
US-D466,497 External module for an electronic communication device
US-6,487,670 Methods and systems for detecting and for responding to connection of a battery to a logic device
A system comprising a supply voltage isolation module (50), and a battery detector (52), both responsive to a battery pin (41). The system further including a...
US-6,487,426 Self-aligning wireless interface system and method
A self-aligning wireless interface system (1) couples a wide variety of equipment (12, 18, 20, 40, FIG. 1; 84, 90, FIG. 2) to one or more of a wide variety of...
US-6,487,407 Register for and method of providing contact information for a communications unit identified by a uniform...
A method of and register for obtaining information required to contact a communications unit is disclosed. The method includes: accessing a accessor location...
US-6,487,398 Low noise architecture for a direct conversion transmitter
A low noise direct conversion transmitter architecture without a post-PA filter is described. A high power/low noise differential LO (110), controlled by a near...
US-6,487,395 Radio frequency electronic switch
A radio frequency (RF) switch (40) for use in a wireless communication system operated in a time delay division mode of operation. The switch includes a pair of...
US-6,487,260 Method and apparatus for efficient correlation detection
A full serial implementation of a M-level correlation based demodulator (100) includes a two's complement, pass-through, zero-out complex conjugate multiplier...
US-6,487,259 Partially-parrallel trellis decoder apparatus and method
The partially-parallel trellis decoder with equalizer (360) uses multiple channel estimators (377, 379) but less than one independent channel estimator for each...
US-6,487,252 Wireless communication system and method for synchronization
An orthogonal frequency division multiplexed wideband communication system provides improved time and frequency synchronization by inserting an unevenly spaced...
US-6,487,240 Apparatus for receiving and recovering frequency shift keyed symbols
A receiver architecture includes a selectivity filter (206) for selectively passing a wanted channel and rejecting unwanted channels. The selectivity filter has...
US-6,487,184 Method and apparatus for supporting radio acknowledgement information for a uni-directional user data channel
A radiotelephone device receiving network information, transmitted along a radio channel, from a network includes an acknowledgement coordination module...
US-6,487,181 Method and apparatus for transmitting and receiving information in a time slot
A communication device employs a method and apparatus for transmitting and receiving information in a time slot. When transmitting, the communication device...
US-6,487,180 Personal information system using proximity-based short-range wireless links
A personal information system comprises a personal kiosk system (132) and a personal presence identifier (122) carried by a user and coupled to the personal...
US-6,486,874 Method of pre-caching user interaction elements using input device position
A method (60) of pre-caching user interaction elements, includes monitoring motion patterns (40) with an electronic input device having a gesture recorder and a...
US-6,486,794 Method of locating a subscriber unit within the coverage area of a communication system
In a communication system (800) having transmitters (108) for transmitting location information to subscriber units (102) located with the transmitters' coverage...
US-6,486,733 Method and apparatus for high efficiency power amplification
A method and apparatus for efficient power amplification of a wideband signal with a correspondingly wide modulation bandwidth includes splitting means (110),...
US-6,486,398 Sealing arrangement for an electronic circuit module
A sealing arrangement is provided for sealing an orifice between an interior and an exterior surface of an electronic module. An air-permeable, water-impermeable...
US-6,486,049 Method of fabricating semiconductor devices with contact studs formed without major polishing defects
In a semiconductor device, a contact stud (100) contacts a semiconductor substrate (10); the stud is embedded in an insulating structure with a first insulating...
US-6,484,945 Smart card having circuit disabling
A Smart Card has an electronic circuit connected to a source of potential capable of destroying at least a portion of the electronic circuit. The potential is...
US-6,484,943 Method and system for assigning a computer interaction priority based on a machine-readable code
Machine-read bar code data is received from a network access apparatus (64). A priority level is determined based on the bar code data. The priority level is...
US-6,484,228 Method and apparatus for data compression and decompression for a data processor system
During a compressing portion, memory (20) is divided into cache line blocks (500). Each cache line block is compressed and modified by replacing address...
US-6,484,033 Wireless communication system for location based schedule management and method therefor
A wireless communication system for location based schedule management (10) includes a plurality of wireless communication devices (40), including a wireless...
US-6,483,913 Method for interactively entering alphanumeric text into a multiline display device using a keypad
A method for a human user to interactively enter an alphanumeric text message into a multiline display device (12) using a keypad (14) containing a number of...
US-6,483,037 Multilayer flexible FR4 circuit
A flexible circuit (100) includes a first circuit path portion (110) and a second rigid circuit path portion (140) to which electronic components (102) may be...
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