Patents Assigned to Broadcom
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Patent number: 7958536Abstract: A video transmission system includes a network module that receives network global positioning system (GPS) signals and that transmits a video signal to a remote device that includes time stamps that are based on the network GPS data. A remote device receives the video signal and that plays the video signal based on local timing generated from local GPS signals.Type: GrantFiled: March 31, 2008Date of Patent: June 7, 2011Assignee: Broadcom CorporationInventors: Stephen E. Gordon, Jeyhan Karaoguz, Sherman (Xuemin) Chen, Michael Dove, David Rosmann, Thomas J. Quigley
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Publication number: 20110127844Abstract: A low pin count IC includes a wireless power receive coil, a rectifying circuit, an output circuit, circuit modules, a power management unit (PMU), a die, and a package substrate. The wireless power receive coil generates an AC voltage from a wireless power electromagnetic signal and the rectifying circuit generates a rectified voltage from the AC voltage. The output circuit generates a DC voltage from the rectified voltage. The PMU manages distribution of the DC voltage to the circuit modules. The die supports the circuit modules and the PMU, wherein the die includes return pads for coupling to circuit return nodes and a PMU return node. The package substrate supports the die and includes return pins for coupling to the return pads, wherein at least one of the die and the package substrate support the wireless power receive coil, the rectifying circuit, and the output circuit.Type: ApplicationFiled: June 3, 2010Publication date: June 2, 2011Applicant: BROADCOM CORPORATIONInventors: John Walley, Jeyhan Karaoguz, Ahmadreza (Reza) Rofougaran, Nambirajan Seshadri, Reinier Van Der Lee
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Publication number: 20110127951Abstract: A device includes an integrated power receive circuit, a battery charger, a battery, a processing module, one or more input/output modules, and one or more circuit modules. The integrated power receive circuit is operable to generate a DC voltage from a received magnetic field in accordance with a control signal. The battery charger is operable to convert the DC voltage into a battery charge voltage. The battery is coupled to the battery charger in a first mode and is coupled to supply power in a second mode. The processing module is operable to: generate the control signal based on desired electromagnetic properties of at least one of the received magnetic field and the integrated power receive circuit; process outbound data to produce processed outbound data; and process inbound data to produce processed inbound data.Type: ApplicationFiled: May 1, 2010Publication date: June 2, 2011Applicant: BROADCOM CORPORATIONInventors: John Walley, Jeyhan Karaoguz, Ahmadreza (Reza) Rofougaran, Nambirajan Seshadri, Reinier Van Der Lee
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Publication number: 20110128205Abstract: 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: ApplicationFiled: February 7, 2011Publication date: June 2, 2011Applicant: BROADCOM CORPORATIONInventor: Ahmadreza (Reza) Rofougaran
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Publication number: 20110127843Abstract: A wireless power system includes a wireless power transmit and receive units. The wireless power transmit unit includes a wireless power transmit circuit that generates a wireless power magnetic field and a transmit unit transceiver that transceives a communication regarding the wireless power magnetic field in accordance with a control channel protocol. The wireless power receive unit includes a wireless power receive circuit, a transceiver, and a processing module. The wireless power receive circuit converts the wireless power magnetic field into a voltage.Type: ApplicationFiled: May 1, 2010Publication date: June 2, 2011Applicant: BROADCOM CORPORATIONInventors: Jeyhan Karaoguz, John Walley, Ahmadreza (Reza) Rofougaran, Nambirajan Seshadri, Reinier Van Der Lee
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Publication number: 20110131428Abstract: A Power-over-Ethernet (PoE) communication system dynamically provides power and data communications over a communications link. In an enterprise environment made up of one or more personal computing devices (e.g., personal or laptop computers), a switch determines an allocated amount of power to be supplied to each device. The system includes a switch, a power supply, and one or more personal computing devices having a PoE control module. The PoE control module can be part of, for example, a Power Source Equipment/Powered Device (PSE/PD) system or a LAN-On-Motherboard/Powered Device (LOM/PD) system. A method of dynamically providing power to personal computing devices includes determining the power requirements of each device based on one or more factors, which can include, for example, battery charge status, power load, power mode, etc., of each device. Various algorithms can be used to decide priority in providing power to the devices.Type: ApplicationFiled: February 7, 2011Publication date: June 2, 2011Applicant: Broadcom CorporationInventors: Wael William DIAB, Simon ASSOUAD
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Publication number: 20110127954Abstract: A battery includes one or more rechargeable cells, a wireless power coil, a battery charger circuit, and may further include an RFID module. The wireless power coil is operable to generate an AC voltage from a wireless power electromagnetic field. The battery charger circuit is operable to generate a battery charge voltage from the AC voltage in accordance with a battery charge control signal and, when enabled, to charge the one or more rechargeable cells via the battery charge voltage. If the battery further includes the RFID module, it is operable to generate the battery charge control signal and communicate with a wireless power transmitter device.Type: ApplicationFiled: June 3, 2010Publication date: June 2, 2011Applicant: BROADCOM CORPORATIONInventors: John Walley, Jeyhan Karaoguz, Ahmadreza (Reza) Rofougaran, Nambirajan Seshadri, Reinier Van Der Lee
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Publication number: 20110127953Abstract: A wireless power system includes a primary device and a secondary device. The primary device includes a power conversion unit, a function module, and a transceiver. The peripheral device includes a wireless power receiver circuit, a peripheral transceiver, and a peripheral unit. The power conversion unit converts a power source into an electromagnetic signal. The functional module executes a function regarding peripheral information. The transceiver communicates information regarding the electromagnetic signal and the peripheral information. The wireless power receiver circuit converts the electromagnetic signal into a voltage. The peripheral transceiver communicates the information regarding the electromagnetic signal and the peripheral information. The peripheral unit processes the peripheral information.Type: ApplicationFiled: May 1, 2010Publication date: June 2, 2011Applicant: BROADCOM CORPORATIONInventors: John Walley, Jeyhan Karaoguz, Ahmadreza (Reza) Rofougaran, Nambirajan Seshadri, Reinier Van Der Lee
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Publication number: 20110130093Abstract: An integrated circuit (IC) includes a wireless power receive circuit, a wireless communication module, and a circuit module. The wireless power receive circuit generates a supply voltage from a wireless power electromagnetic signal. The wireless communication module converts inter-chip outbound data into an inter-chip outbound wireless signal; transmits the inter-chip outbound wireless signal to another IC; receives an inter-chip inbound wireless signal from the other IC; and converts the inter-chip inbound wireless signal into inter-chip inbound data. The circuit module is powered by the supply voltage and is operable to generate the inter-chip outbound data; and process the inter-chip inbound data.Type: ApplicationFiled: June 3, 2010Publication date: June 2, 2011Applicant: BROADCOM CORPORATIONInventors: John Walley, Jeyhan Karaoguz, Ahmadreza (Reza) Rofougaran, Nambirajan Seshadri, Reinier Van Der Lee
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Publication number: 20110127952Abstract: An integrated circuit (IC) for use in a device includes a wireless power receiver circuit, a transceiver, and a processing module. The wireless power receiver circuit is operable to convert an electromagnetic signal into a voltage. The transceiver, when operable, transceives a control channel communication. The processing module is operable to: transition the device from an idle state to a charge state when a wireless power transmitter unit is detected; transition the device from the idle state to a wireless power operated state when a wireless power transmit circuit is detected and the device is enabled; and transition the device from the idle state to a battery operated state when the device is enabled and the wireless power transmit circuit is not detected.Type: ApplicationFiled: May 1, 2010Publication date: June 2, 2011Applicant: BROADCOM CORPORATIONInventors: John Walley, Jeyhan Karaoguz, Ahmadreza (Reza) Rofougaran, Nambirajan Seshadri, Reinier Van Der Lee
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Publication number: 20110127845Abstract: A circuit board assembly includes a multiple layer substrate, a wireless power transmitter control module, a wireless power coil assembly, and a plurality of ICs. The wireless power transmitter control module is supported by a layer of the multiple layer substrate and the wireless power coil assembly is fabricated on an inner layer of the multiple layer substrate. The ICs are mounted on an outer layer of the multiple layer substrate, wherein an IC of the plurality of IC is aligned to substantially overlap a coil of the wireless power coil assembly and is wirelessly powered by the wireless power transmitter control module via the coil.Type: ApplicationFiled: June 3, 2010Publication date: June 2, 2011Applicant: BROADCOM CORPORATIONInventors: John Walley, Jeyhan Karaoguz, Ahmadreza (Reza) Rofougaran, Nambirajan Seshadri, Reinier Van Der Lee
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Patent number: 7953021Abstract: Optimizing a radio link is done by acquiring at least OSI layer one and two performance measurements, determining an optimum setting collection for at least OSI layer three to a top layer, then configuring at least the OSI layer three to the top layer based upon the optimum setting collection. The top layer is at least OSI layer four. The invention includes optimized radio links, methods of making optimized radio links, revenue generating making optimized radio links by providing means for optimizing the radio link.Type: GrantFiled: May 8, 2007Date of Patent: May 31, 2011Assignee: Broadcom CorporationInventors: Michiel Petrus Lotter, Pieter van Rooyen
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Patent number: 7953063Abstract: A method and system for increasing the efficiency of providing bandwidth for voice traffic to a data provider via communication mediums is provided. This is generally accomplished by not transmitting any data during the silence periods and playing out background noise (i.e., comfort noise) at the other end, to obtain significant bandwidth savings.Type: GrantFiled: October 5, 2009Date of Patent: May 31, 2011Assignee: Broadcom CorporationInventors: Ajay Chandra V. Gummalla, Dolors Sala
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Patent number: 7953057Abstract: A wireless local area network (WLAN) transceiving integrated circuit includes a WLAN interface, an input buffer, an input buffer controller, and a processor. The WLAN transceiving integrated circuit may also include an output buffer, an output buffer controller, a transcoder, and/or an audio Coder-Decoder (CODEC). The WLAN transceiving integrated circuit is installed in a WLAN device that services voice communications. The input buffer receives packetized audio data from the WLAN interface. When the input buffer satisfies a buffer vacancy threshold, the processor and the input buffer controller cooperatively operate to fill at least a portion of the input buffer with packetized audio data. The processor copies packetized audio data from the input buffer and fills the input buffer with the copied packetized audio data to maintain an audio pattern in the input buffer. The input buffer controller fills the input buffer when the processor is available and after copying/filling is no longer effective.Type: GrantFiled: February 11, 2010Date of Patent: May 31, 2011Assignee: Broadcom CorporationInventors: Sherman Lee, Vivian Chou, Charles Aragones, John Lin
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Patent number: 7952397Abstract: According to one general aspect, an output driver configured to drive output signals from a core device may include a voltage convertor, an output stage, and a biasing unit. In various embodiments, the output driver is configured to operate in either a core device voltage mode or a high voltage mode. In some embodiments, the voltage convertor may be configured to receive a pair of differential input signals from a core device, wherein a maximum voltage of the input signals is equivalent to a core device voltage, and convert the input signals to a pair of intermediate input signals. In one embodiment, when in high voltage mode, the maximum voltage of the intermediate input signals may be equivalent to a high voltage that is higher than the core device voltage.Type: GrantFiled: February 11, 2009Date of Patent: May 31, 2011Assignee: Broadcom CorporationInventor: Bharath Raghavan
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Patent number: 7953377Abstract: Wideband-Code Division Multiple Access (W-CDMA) transmit architecture. A baseband digital processing module operates cooperatively with an analog signal processing module to effectuate highly adjustable and highly accurate gain adjustment in accordance with transmitter processing within a communication device. The gain adjustment and/or gain control is partitioned between the digital and analog domains by employing two cooperatively operating digital and analog modules, respectively. Gain adjustment in the analog domain is performed in a relatively more coarse fashion that in the digital domain. If desired, gain adjustment in each of the analog and digital domains is performed across a range of discrete steps. The discrete steps in the analog domain are larger than the discrete steps in the digital domain. Also, the discrete steps in the digital domain may be interposed between two successive discrete steps in the analog domain.Type: GrantFiled: May 12, 2008Date of Patent: May 31, 2011Assignee: Broadcom CorporationInventors: Theodoros Georgantas, Konstantinos D. Vavelidis, Sofoklis Plevridis, Babis (Charalampos) Kapnistis, Spyridon Kavadias
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Patent number: 7953385Abstract: A method and system to determine when a wireless terminal has been paged by a servicing base station. An encoded paging burst is received on a paging channel and then decoded to produce a decoded paging burst. The decoded paging burst is processed to determine if it is a null page. When the encoded paging burst is a null page, subsequent processing operations scheduled to follow a later null page are rescheduled and immediately processed, allowing the wireless terminal to re-enter the sleep mode more quickly following the receipt of a subsequent paging burst.Type: GrantFiled: December 7, 2009Date of Patent: May 31, 2011Assignee: Broadcom CorporationInventors: Nelson R. Sollenberger, Ronish Patel, Kenneth L. Kasiske, Karl Paulsen, Zhijun (Nick) Gong
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Patent number: 7953002Abstract: A network device for processing data includes at least one ingress module for performing switching functions on incoming data, a memory management unit for storing the incoming data and at least one egress module for transmitting the incoming data to at least one egress port. The at least one ingress module is configured to determine a priority for the incoming data, where that priority is mapped to a discrete number of priority groups and where the priority groups are determined on a per-port basis and provide guaranteed delivery or best throughput, and flow of data through the network device is controlled on a basis of at least one of the priority groups and assigned priorities.Type: GrantFiled: November 13, 2006Date of Patent: May 31, 2011Assignee: Broadcom CorporationInventor: Eugene Opsasnick
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Patent number: 7953086Abstract: A first set of instructions associated with an egress of a datagram may be determined, the first set of instructions identifying a first subset of a second set of instructions, the first subset including multiple individual network identifiers identifying which network portion to transmit a replication of the datagram. Which one of the multiple individual network identifiers corresponds to the datagram may be determined from the first subset of the second set of instructions and may be based on the egress of the datagram, wherein each network identifier corresponds to a different egress. The replication of the datagram may be provided to the egress of the determined network identifier for transmission to the network portion as identified by the determined network identifier corresponding to the datagram.Type: GrantFiled: March 6, 2009Date of Patent: May 31, 2011Assignee: Broadcom CorporationInventors: Weitong Chuang, Chien-Hsien Wu
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Patent number: 7953140Abstract: A method to process DP bits from multiple fingers within a WCDMA rake receiver is provided. DPCH pilot symbols are received, quantized and channel compensated. Then processing operations for individual fingers for the channel compensated quantized despread DPCH pilot symbols are chosen based on the DPCH slot format. The DPCH pilot symbols are processed based on the DPCH slot format in order to produce processed DPCH pilot symbols in a common format. These processed symbols may then be combined. Other embodiments may further allow for the computation of an SNR estimate based on the combined DPCH pilot symbols.Type: GrantFiled: September 18, 2007Date of Patent: May 31, 2011Assignee: Broadcom CorporationInventors: Severine Catreux, Ian Riphagen