Patents Assigned to Broadcom Corporation
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Publication number: 20110115579Abstract: An integrated circuit transmission system includes a dielectric substrate wave guide and first and second substrate antennas. A substrate transmitter is operable to produce an radio frequency (RF) signal, the RF signal having first and second components. A micro-strip resonator filter module generates a filtered RF signal by adjusting phases of the first and second components of the RF signal via selection of one of a plurality of selectable tap points. A third substrate antenna generates a beam formed signal for transmission through the dielectric substrate wave guide, wherein the beam form signal is directed, via the filtered RF signal, to either the first substrate antenna or the second substrate antenna.Type: ApplicationFiled: January 21, 2011Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventor: Ahmadreza (Reza) Rofougaran
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Publication number: 20110118024Abstract: Operating a game controller by setting initial operational parameters of at least one touch sensitive pad of the game controller. The touch sensitive pad has a plurality of touch sensitive elements. Touch pad input is received from the at least one touch sensitive pad of the game controller. The touch pad input corresponds to a user's touch of at least some of the plurality of touch sensitive elements. The touch pad input is at least partially processed by processing circuitry of the game controller and transmitted to a game console via a communications interface of the game controller for processing. Upon meeting an operational parameter alteration condition, the operational parameters of the at least one touch sensitive pad of the game controller are altered.Type: ApplicationFiled: October 26, 2010Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventors: BOB LUKAS, DAVID A. SOBEL, SUMANT RANGANATHAN, JOHN WALLEY, PIETER VORENKAMP
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Publication number: 20110118023Abstract: A video game system is operable to receive user touch location information while a first user is holding a game controller and to determine a first user ID for the first user based upon the user touch location information. Thereafter, the video game system is operable to measure an instant acceleration of the game controller, to compare the instant acceleration to a first threshold value and to lock the game controller for use by the first user corresponding to the first user ID based on the comparison of the instant acceleration and the first threshold value.Type: ApplicationFiled: September 29, 2010Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventor: QIANG FU
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Publication number: 20110118030Abstract: A communication device that may comprise one of a cell phone or a game controller system that further includes a game console and a pair of game controllers that communicate via a human body path. Generally, the communication device communicates by way of a touch pad array through a human body path using capacitive coupling in one embodiment of the invention. Encryption parameters and user contact information may be exchanged through the human body path. For example, a pre-shared key may be transmitted through the human body path to support subsequent encrypted wireless communications. The touch pad array may be a part of a display of the communication device but is not required to be so.Type: ApplicationFiled: November 10, 2010Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventors: JOHN WALLEY, JEYHAN KARAOGUZ
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Publication number: 20110115604Abstract: Operating a remote control to identify a user by receiving touch pad input from at least one touch sensitive element of the remote control that has a plurality of touch sensitive elements. The touch pad input corresponds to the user's touch of at least some of the plurality of touch sensitive elements. The touch pad input is at least partially processed by processing circuitry of the remote control and transmitted to a multimedia system console via a communications interface of the remote control for processing of the at least partially processed touch pad input to identify the user via pattern recognition. At least partially processing the touch pad input can be by identifying at least one finger orientation, at least one finger spacing, at least one finger width, a plurality of finger knuckle/joint locations, and/or a plurality of finger lengths based upon the touch pad input.Type: ApplicationFiled: October 26, 2010Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventors: DAVID A. SOBEL, QIANG FU, SUMANT RANGANATHAN, JOHN WALLEY, PIETER VORENKAMP, JEYHAN KARAOGUZ, TOM W. KWAN
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Publication number: 20110118027Abstract: Operating a gaming system having a game console and a game controller by receiving touch pad input from at least one touch sensitive pad of the game controller that has a plurality of touch sensitive elements. The touch pad input corresponds to a user's touch of at least some of the plurality of touch sensitive elements. The touch pad input is at least partially processed by processing circuitry of the game controller to produce partially processed touch pad input and transmitted from the game controller to the game console via communications interfaces of the game controller and the game console. The game console processes the at least partially processed touch pad input to produce game alteration data. The at least one corresponding game operation is altered based upon the game alteration data.Type: ApplicationFiled: October 26, 2010Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventors: BOB LUKAS, DAVID A. SOBEL, QIANG FU, JEYHAN KARAOGUZ, TOM W. KWAN
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Publication number: 20110115074Abstract: Methods, systems, and apparatuses for printing under bump metallization (UBM) features on chips/wafers are provided. A wafer is received that has a surface defined by a plurality of integrated circuit regions. Each integrated circuit region has a passivation layer and a plurality of terminals on the surface of the wafer accessible through openings in the passivation layer. A plurality of UBM features are formed on the surface of the wafer in the form of an ink such that each UBM feature is formed electrically coupled with a corresponding terminal of the plurality of terminals. An ink jet printer may be used to print the ink in the form of the UBM feature. A UBM feature may be formed directly on a corresponding terminal, or on routing that is coupled to the corresponding terminal. A bump interconnect may be formed on the UBM feature.Type: ApplicationFiled: March 24, 2010Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventors: Kunzhong (Kevin) Hu, Edward Law
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Publication number: 20110115741Abstract: Operating a user input device by scanning touch sensitive elements of a touch pad to measure touch sensitive element values. The touch sensitive element values are compared to a stylus input threshold pattern. Upon a favorable comparison, a stylus input condition is determined, stylus input touch pad processing settings are enacted, and a position of the stylus upon the touch pad is detected. Detection of the stylus position upon the touch pad is based upon the touch sensitive element values and the stylus input touch pad processing settings. The touch sensitive element values are compared to a touching finger threshold pattern. Upon a favorable comparison, a touching finger condition is determined, touching finger touch pad processing settings are enacted, and the touching finger's position upon the touch pad is detected based upon the touch sensitive element values.Type: ApplicationFiled: October 26, 2010Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventors: BOB LUKAS, DAVID A. SOBEL, MONIKA GUPTA, SUMANT RANGANATHAN, PIETER VORENKAMP
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Publication number: 20110116357Abstract: A system, method and apparatus for reducing a power consumed by a physical layer device (PHY). A length of a cable connecting the PHY to a link partner is determined. Based on the length, power provided to one or more components of the PHY, or any portion thereof, is reduced. The power provided is reduced while maintaining a level of reliability specified by a protocol governing operation of the PHY. The length can be determined using time-domain reflectometry (TDR) techniques. Any portion of an echo cancellation filter, a crosstalk filter, an equalizer, a precoder, an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), a forward error correction (FEC) decoder and/or an FEC coder can be powered-down or power-optimized to reduce the overall power consumed by the PHY. The protocol governing operation of the PHY can be IEEE 802.3.Type: ApplicationFiled: November 11, 2010Publication date: May 19, 2011Applicant: Broadcom CorporationInventors: Nariman YOUSEFI, Scott POWELL
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Publication number: 20110118028Abstract: A game controller with a communications interface, at least one touch sensitive pad having a plurality of touch sensitive elements, and processing circuitry coupled to the communications interface and the at least one touch sensitive pad. The processing circuitry enacts touch pad configuration settings that correlate subsets of the plurality of touch sensitive elements to respective distinct user input locations. The processing circuitry receives touch pad input from the at least one touch sensitive pad. The touch pad input corresponds to a user's touch of at least some of the plurality of touch sensitive elements. The processing circuitry processes the touch pad input to determine user input directions based upon the touch pad configuration settings, and then transmits the touch pad input directions to a game console via the communications interface for use as gaming input.Type: ApplicationFiled: October 26, 2010Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventors: DAVID A. SOBEL, MONIKA GUPTA, SUMANT RANGANATHAN, PIETER VORENKAMP, JEYHAN KARAOGUZ
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Publication number: 20110115606Abstract: A vehicle control system includes at least one touch pad having a plurality of touch sensitive elements and processing circuitry communicatively coupled to the at least one touch pad. The processing circuitry is operable to receive touch pad input from the at least one touch pad, the touch pad input corresponding to a user's touch of at least some of the plurality of touch sensitive elements. The processing circuitry further processes the touch pad input to determine user finger characteristics. The processing circuitry further processes the user finger characteristics to identify the user via pattern recognition and alters at least one vehicle setting based upon the identified user.Type: ApplicationFiled: October 26, 2010Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventors: QIANG FU, JEYHAN KARAOGUZ, TOM W. KWAN
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Publication number: 20110115742Abstract: A touch sensitive pad with a plurality of touch sensitive elements and processing circuitry coupled to a communications interface and to the touch sensitive pad for scanning the plurality of touch sensitive elements to measure a plurality of touch sensitive element values. The plurality of touch sensitive element values is compared to a hovering finger threshold pattern. Upon a favorable comparison, a hovering finger condition is determined, and a position of the hovering finger in three-dimensions is detected with respect to the touch sensitive pad. The plurality of touch sensitive element values is compared to a touching finger threshold pattern. Upon a favorable comparison, a touching finger condition is determined, and a position of the touching finger is detected upon the touch sensitive pad.Type: ApplicationFiled: November 12, 2010Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventors: DAVID A. SOBEL, MONIKA GUPTA, JOHN WALLEY, PIETER VORENKAMP, JEYHAN KARAOGUZ
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Publication number: 20110117861Abstract: A radio frequency (RF) transceiver includes an RF transmitter that generates an outbound RF signal at a carrier frequency that is based on a transmitter local oscillation. An RF front-end receives an inbound RF signal that includes a desired signal component that is based on the outbound RF signal and that includes an undesired signal component. The RF front-end includes a first RF combiner module that attenuates the undesired signal component to produce a desired RF signal. A down conversion module generates a down converted signal from the desired RF signal based on a receiver local oscillation. A receiver processing module generates inbound data from the down converted signal. A frequency control module controls the carrier frequency, based on an interference rejection signal, to control the attenuation of the undesired signal component.Type: ApplicationFiled: January 21, 2011Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventor: Ahmadreza (Reza) Rofougaran
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Publication number: 20110118029Abstract: Operating a game controller by receiving touch pad input from at least one touch sensitive pad of the game controller that has a plurality of touch sensitive elements. The touch pad input corresponds to the user's touch of at least some of the plurality of touch sensitive elements. The touch pad input is at least partially processed by processing circuitry of the game controller and the at least partially processed touch pad input is transmitted to a game console via a communications interface of the game controller for use as gaming input. At least partially processing the touch pad input can be by determining hand/foot position, changes in hand/foot position, hand grip/foot pressure, changes in hand grip/foot pressure based upon the touch pad input.Type: ApplicationFiled: October 26, 2010Publication date: May 19, 2011Applicant: BROADCOM CORPORATIONInventors: BOB LUKAS, DAVID A. SOBEL, QIANG FU, SUMANT RANGANATHAN, JEYHAN KARAOGUZ, TOM W. KWAN
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Patent number: 7944251Abstract: According to one exemplary embodiment, a transmitter module includes a line drive including a current digital-to-analog converter, where the line driver provides an analog output waveform. The current digital-to-analog converter receives a digitally filtered input waveform including at least two voltage steps. The at least two voltage steps of the digitally filtered input waveform cause a rise time of the analog output waveform to have a reduced dependency on process, voltage, and temperature variations in the line driver, while meeting stringent rise time requirements. The digitally filtered input waveform has an initial voltage level and a final voltage level, where the final voltage level is substantially equal to a sum of the at least two voltage steps of the digitally filtered input waveform.Type: GrantFiled: March 9, 2009Date of Patent: May 17, 2011Assignee: Broadcom CorporationInventors: Andrew Chen, Joseph Aziz, Derek Tam
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Patent number: 7944403Abstract: An integrated circuit includes an on-chip antenna interface, coupled to an off-chip antenna interface having at least one off-chip impedance matching component, that forms a programmable impedance matching network with the at least one off-chip impedance matching component. The programmable impedance matching network is programmable based on a control signal. An RF receiver, coupled to the programmable impedance matching network, that generates inbound data in response to a received signal from the programmable impedance matching network.Type: GrantFiled: May 19, 2010Date of Patent: May 17, 2011Assignee: Broadcom CorporationInventor: Ahmadreza (Reza) Rofougaran
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Patent number: 7945209Abstract: A system may include a scanning module that is arranged and configured to scan communication channels for channel interference, a channel assessor module that is arranged and configured to determine a type of channel interference present on one or more of the communication channels, and a blocking module that is arranged and configured to selectively block one or more of the communication channels based on the type of channel interference.Type: GrantFiled: November 21, 2007Date of Patent: May 17, 2011Assignee: Broadcom CorporationInventors: Asif Grushkevich, Jagdish Gopalakrishnan
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Patent number: 7944394Abstract: Method and apparatus for validating an initial position in a satellite positioning system using range-rate measurements is described. In one example, range-rate measurements are obtained at the remote receiver with respect to a plurality of satellites. Expected range-rates are computed with respect to the plurality of satellites using the initial position. Single differences are computed using the range-rate measurements. Expected single differences are computed using the expected range-rates. Single difference residuals are computed between the single differences and the expected single differences. The single difference residuals are compared to a threshold. The initial position may be deemed valid if the absolute value of each of the single difference residuals is less than or equal to the threshold. A valid initial position may be used to fix the pseudorange integers.Type: GrantFiled: March 18, 2009Date of Patent: May 17, 2011Assignee: Broadcom CorporationInventor: Frank van Diggelen
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Patent number: 7945047Abstract: A system and method for distribution of cryptographic keys to data encryption and decryption devices used to protect digital video/multimedia data transmitted over a display link between a digital video/multimedia source and a display device are provided. The digital data, which may be in Digital Visual Interface (DVI) format, from a digital video/multimedia source, such as, for example, a Digital Versatile Disk (DVD) player, a set-top box, or a computer, is encrypted prior to transmission on the display link. Use of key management and storage that are external to the data encryption or decryption devices enables downloading of new keys from external key sources. Encrypted data encryption and decryption keys may be included in a cable signal received by the set-top box. The data encryption and decryption keys from an internal or external key source may be encoded in the DVD player, set-top box, or computer prior to being sent over a control bus to a display link receiver or a display device.Type: GrantFiled: November 7, 2006Date of Patent: May 17, 2011Assignee: Broadcom CorporationInventors: David Rogoff, Steven Petilli
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Single chip wireless transceiver operable to perform voice, data and radio frequency (RF) processing
Patent number: 7945216Abstract: A single chip wireless transceiver operable to perform voice, data and radio frequency (RF) processing is provided. This processing may be divided between various processing modules. This single chip includes a processing module having an ARM microprocessor and a digital signal processor (DSP), an RF section, and an interface module. The processing module converts an outbound voice signal into an outbound voice symbol stream, converts an inbound voice symbol stream into an inbound voice signal, converts outbound data into an outbound data symbol stream, and converts an inbound data symbol stream into inbound data. These functions may be divided between the ARM microprocessor and DSP, where the DSP supports physically layer type applications and the ARM microprocessor supports higher layer applications. Further bifurcation may be based on voice applications, data applications, and/or RF control.Type: GrantFiled: December 18, 2007Date of Patent: May 17, 2011Assignee: Broadcom CorporationInventors: Vafa James Rakshani, Nelson R. Sollenberger, Claude G. Hayek, Frederic Christian Marc Hayem