Patents Represented by Attorney Garlick Harrison & Markison
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Patent number: 8106848Abstract: A programmable antenna includes a fixed antenna element and a programmable antenna element that is tunable in response to at least one antenna control signal, wherein tuning the programmable antenna element changes an impedance of the antenna. A programmable impedance matching network is tunable in response in response to at least one matching network control signal to adjust for the changes in the impedance of the antenna.Type: GrantFiled: February 7, 2011Date of Patent: January 31, 2012Assignee: Broadcom CorporationInventor: Ahmadreza (Reza) Rofougaran
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Patent number: 8108145Abstract: A wireless terminal displays its location and navigation information (map segment) on its display. The wireless terminal accesses a Global Positioning System (GPS) receiver of the wireless terminal to determine its location coordinates. The wireless terminal determines a maximum data size for navigation information to be downloaded. The wireless terminal sends a navigation information download request to a map server via a supporting wireless network infrastructure that includes the location coordinates and the maximum data size. The wireless terminal receives navigation information that has a data size no greater than the maximum data size and displays the navigation information on the display. The wireless terminal may display a map segment and an icon representing the wireless terminal at a location corresponding to the location coordinates of the wireless terminal with respect to the map segment. The wireless terminal may download a premises map from a premises map server.Type: GrantFiled: April 19, 2011Date of Patent: January 31, 2012Assignee: Broadcom CorporationInventors: Jeyhan Karaoguz, James D. Bennett
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Patent number: 8108499Abstract: A Name Registrar (NaR) system and method incorporating a separate software component that permits manipulation, control, and distribution of names/objects under direction of a distributed naming policy is disclosed. The present invention teaches creation of a separate software component to handle name registration running within a separate software process. This separate software process has a remote interface utilized by a software application to send information related to names/objects in their most basic form to the Name Registrar (NaR). Subsequently, the NaR performs all other functions that are necessary to publish the supplied name/object in the proper form and type required by the accessing system consumers.Type: GrantFiled: September 12, 2001Date of Patent: January 31, 2012Assignee: Alcatel Societe AnonymeInventor: Paul A. Johnson
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Patent number: 8107567Abstract: Aspects of a system for SFBC and/or STBC in a diversity transmission system using a plurality of Alamouti codes may include a transmitting station that enables reception of signals via a wireless communication medium. The transmitting station may enable determination of a plurality of channel estimate values that are based on signal propagation characteristics of the wireless communication medium. A plurality of N weighting factor phase angles may be computed based on the plurality of channel estimate values, where N is an integer that is greater than 1. The transmitting station may enable transmission of a plurality of 2·N signals based on the plurality of N weighting factors. The plurality of 2·N signals may be encoded utilizing Alamouti coding.Type: GrantFiled: September 24, 2007Date of Patent: January 31, 2012Assignee: Broadcom CorporationInventor: Joonsuk Kim
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Patent number: 8106708Abstract: A multi-mode driver and method therefore includes a plurality of amplifiers, an adjustable load block, and adjustable current supply circuitry that selectively adjusts current magnitudes supplied to at least one of the plurality of amplifiers. The multi-mode driver can operate in a KR mode with a higher voltage supply, an SR4 mode with the higher voltage supply, and an SFI mode with a lower voltage supply. To support these modes, the multi-mode driver selectively operates a plurality of amplifiers, adjusts current magnitudes supplied to the amplifiers, and selectively adjusts an adjustable load. Thus, the multi-mode driver is operable to selectively and efficiently produce high swing and low swing output signals and to efficiently operate with any one of a plurality of supplies. The driver includes selectable loads and parallel-coupled amplifier devices that are selected based on mode.Type: GrantFiled: June 29, 2010Date of Patent: January 31, 2012Assignee: Broadcom CorporationInventors: Anand Jitendra Vasani, Jun Cao, Afshin Momtaz
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Patent number: 8107442Abstract: A multiple input multiple output (MIMO) RF transceiver system includes a plurality of RF transceiver ICs, a crystal, and master oscillation coupling. Each of the plurality of RF transceiver ICs includes crystal oscillator circuitry. Crystal oscillator circuitry of the first RF transceiver IC and a crystal are operable to produce a master oscillation. Master oscillation coupling couples the master oscillation produced by the first RF transceiver IC to the at least one other RF transceiver IC. In one embodiment, the master oscillation is passed from the first RF transceiver IC to each other transceiver RF ICs. In another embodiment, the master oscillation is used to produce a slave oscillation at a second RF transceiver IC and subsequent RF transceiver ICs produce there own slave oscillation based upon a slave oscillation received from a prior RF transceiver IC.Type: GrantFiled: June 28, 2005Date of Patent: January 31, 2012Assignee: Broadcom CorporationInventors: Arya Reza Behzad, Jason A. Trachewsky, R. Tushar Moorti
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Patent number: 8107895Abstract: An integrated circuit (IC) includes a multi-input multi-output transceiver system that includes a plurality of RF transceivers. Each RF transceiver includes an RF transmitter that transmits a transmit signal at a selected transmit power, based on a transmit power control signal and a corresponding RF receiver for receiving a corresponding one of a plurality of received signals from an external device and for generating a signal strength indication corresponding to each of the plurality of received signals. A processing module generates the transmit power control signal for each RF transmitter based on the signal strength indication of the corresponding RF receiver, and that generates a power mode signal for adjusting a power consumption parameter of each RF transmitter in accordance with the selected transmit power for each RF transmitter.Type: GrantFiled: September 26, 2007Date of Patent: January 31, 2012Assignee: Broadcom CorporationInventor: Ahmadreza (Reza) Rofougaran
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Patent number: 8108698Abstract: A primary computing device and a secondary computing device couple with an internal storage component of the primary device powered by, and data accessed by either the first or secondary computing device. The internal storage component includes multiple connectors for connecting internal buses and external buses over which data can be accessed, internally or externally. It includes an internal storage unit (in general, at least one storage unit, and multiple storage units are supported) to which data can be written and from which data can be read. It also includes arbitration and isolation circuitry that makes it possible to access the internal storage unit (for read/write data access, etc.) over one of the buses. The arbitration and an isolation circuitry also facilitates powering the internal storage component employing power supplied by an internal power source, or via an external power source, such as power from an USB connection.Type: GrantFiled: July 30, 2008Date of Patent: January 31, 2012Assignee: Broadcom CorporationInventor: James D. Bennett
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Patent number: 8107179Abstract: A servo writer includes a servo data generation module that generates servo data corresponding to a plurality of servo wedges and a plurality of tracks of a disk, the servo data including track identification data that is repetition coded. A servo write module writes the servo data on the disk.Type: GrantFiled: November 4, 2009Date of Patent: January 31, 2012Assignee: Broadcom CorporationInventor: William Gene Bliss
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Patent number: 8107489Abstract: A baseband processing module for use within a Radio Frequency (RF) transceiver includes a downlink/uplink interface, TX processing components, a processor, memory, RX processing components, and a turbo decoding module. The RX processing components receive a baseband RX signal from the RF front end, produce a set of IR samples from the baseband RX signal, and transfer the set of IR samples to the memory. The turbo decoding module receives at least one set of IR samples from the memory, forms a turbo code word from the at least one set of IR samples, turbo decodes the turbo code word to produce inbound data, and outputs the inbound data to the downlink/uplink interface. The turbo decoding module performs metric normalization based upon a chosen metric performs error detection operations, and extracts information from a MAC packet that it produces.Type: GrantFiled: March 30, 2009Date of Patent: January 31, 2012Assignee: Broadcom CorporationInventors: Jie Lai, Mark David Hahm
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Patent number: 8107188Abstract: A self servo writing disk controller detects a plurality of spiral sync marks and a plurality of spiral bursts corresponding to one of a plurality of servo spirals from a read signal from the read/write head. A timing reference signal is generated based on timing of at least one of the plurality of the spiral sync marks. A position error signal is generated based on timing of at least one of the plurality of spiral sync marks and a magnitude of at least one of a plurality of spiral bursts. The timing reference signal and the position error signal are used by the disk drive for timing and positioning in self writing initial servo wedges to the disk.Type: GrantFiled: January 7, 2010Date of Patent: January 31, 2012Assignee: Broadcom CorporationInventor: King Wai Thomas Lau
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Patent number: 8107182Abstract: A system and method for providing an interface an interface between a read channel and a disk controller. The interface includes a plurality of differential pair signal lines operable to communicate data and control signals between the read channel and the hard disk controller. The data and control signal lines communicate operations for transferring data between the disk controller and the read channel.Type: GrantFiled: August 18, 2006Date of Patent: January 31, 2012Assignee: Broadcom CorporationInventor: Johnson Yen
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Patent number: 8102665Abstract: An integrated circuit includes a substrate. A first integrated circuit die includes a first circuit and a first intra-chip clock interface that transmits a first clock signal via the substrate. A second integrated circuit die includes a second circuit that operates based on the first clock signal and a second intra-chip clock interface that recovers the first clock signal from the substrate.Type: GrantFiled: January 12, 2009Date of Patent: January 24, 2012Assignee: Broadcom CorporationInventor: Ahmadreza (Reza) Rofougaran
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Patent number: 8103681Abstract: Multiple attempts can be made to match received information associated with a work and one of multiple identifiers stored in a database. Each of the identifiers in the database is uniquely associated with one of a plurality of specific works. A first search can be made to determine if an identifier in the received information includes an identifier that matches one of identifiers stored in the database. If the identifier in the received information does not match any of the identifiers in the database, a second matching attempt can be made to determine if the received attributes match attributes of a work associated with one of the identifiers in the database. Based on the results of the matching, various actions can be taken to associate or assign one of the unique identifiers with the work related to the received information.Type: GrantFiled: May 29, 2009Date of Patent: January 24, 2012Assignee: Clear Channel Management Services, Inc.Inventors: Jeff Littlejohn, Bobbi Denise Schuster, Keyin Hsu, Jennifer Perez
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Patent number: 8095080Abstract: A configurable transceiver includes an RF receiver that generates a stream of inbound data from at least one received RF signal, wherein the RF receiver is configurable in response to a control signal. An RF transmitter generates at least one RF signal from a stream of outbound data, wherein the RF transmitter section is configurable in response to the control signal. A configuration controller generates the control signal based on channel data. A power management unit generates at least one receiver supply signal and at least on transmitter supply signal in accordance with a plurality of power consumption parameters, and wherein the power management unit adjusts at least one of the plurality of power consumption parameters based on the control signal.Type: GrantFiled: December 2, 2008Date of Patent: January 10, 2012Assignee: Broadcom CorporationInventor: Ahmadreza Reza Rofougaran
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Patent number: 8094025Abstract: A receiver architecture for canceling blocking signals in the receive path includes a low noise amplifier for receiving and amplifying an inbound RF signal to produce an amplified inbound signal, in which the inbound RF signal includes a modulated RF signal and a blocking signal, and a cancellation module for substantially canceling the blocking signal from the amplified inbound RF signal and substantially passing the modulated RF signal. The cancellation module cancels the blocking signal by generating an injection signal representative of the blocking signal, combining the blocking signal with the injection signal to produce an error signal, updating the injection signal based on the error signal and using the injection signal to cancel the blocking signal from the amplified inbound RF signal.Type: GrantFiled: November 9, 2010Date of Patent: January 10, 2012Assignee: Broadcom CorporationInventors: Aminghasem Safarian, Amin Shameli, Ahmadreza (Reza) Rofougaran, Maryam Rofougaran
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Patent number: 8094629Abstract: The present invention provides a Wireless Local Area Network (WLAN) terminal, having a wireless interface that exchanges packetized communications with servicing Access Points (APs). A processing unit communicatively coupled to the wireless interface selects an appropriate programmable COder/DECoder (CODEC) with which to convert incoming packetized communications to incoming user communications, and outgoing user communications to outgoing packetized communications. A user interface coupled to the programmable CODEC receives the incoming user communications and produces the outgoing user communications. The processing unit monitors the serviced packetized communications to determine a communication quality level delivered by the wireless interface. Then the processing unit chooses the selected coding scheme based upon the communication quality level.Type: GrantFiled: February 17, 2004Date of Patent: January 10, 2012Assignee: Broadcom CorporationInventor: Richard A. Bye
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Patent number: 8095162Abstract: A control device includes at least one communication interface for communicating first control data with a first plurality of communication devices that utilize the millimeter wave frequency band in accordance with a first protocol and further for communicating second control data with a second plurality of communication devices that utilize the millimeter wave frequency band in accordance with a second protocol. A resource controller allocates resources of the millimeter wave frequency band to the first plurality of communication devices and the second plurality of communication devices based on the first control data and the second control data.Type: GrantFiled: May 7, 2009Date of Patent: January 10, 2012Assignee: Broadcom CorporationInventors: Jeyhan Karaoguz, Jason A. Trachewsky, Vinko Erceg, Matthew J. Fischer, Christopher J. Hansen, Saishankar Nandagopalan, Murrat Mese
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Patent number: 8089890Abstract: A method for transmitting high rate data within a multiple input multiple output (MIMO) wireless local area network (WLAN) begins by determining a data transmission rate. The method continues by, when the data transmission rate is between a first data rate and a second data rate, enabling two transmission paths. The method continues by, for each of the two transmission paths, determining at least one of: level of constellation, number of data subcarriers, rate code, and cyclic prefix duration.Type: GrantFiled: September 20, 2007Date of Patent: January 3, 2012Assignee: Broadcom CorporationInventor: Christopher J. Hansen
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Patent number: 8090328Abstract: An RFIC includes an RF transmitter, that generates an RF signal to a power amplifier module that operates a selected one of a plurality of power amplifiers, based one or more control signals. A processing module generates the control signals based on a selected one of a plurality of modes, wherein the plurality of modes include a first wireless mode corresponding to the use of the RFIC in accordance with a first wireless standard and a second wireless mode corresponding to the use of the RFIC in accordance with a second wireless standard. A power management circuit generates a plurality of power supply signals including at least one power supply signal for selectively powering only the selected one of the plurality of power amplifiers, in response to the at least one control signal, wherein the power management circuit is bonded to a bottom of the RFIC so as to dissipate heat to a printed circuit board.Type: GrantFiled: July 21, 2010Date of Patent: January 3, 2012Assignee: Broadcom CorporationInventor: Ahmadreza (Reza) Rofougaran