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Burra

Gangadhar Burra, Plano, TX US

Patent application numberDescriptionPublished
20100238059ADAPTIVE DIGITAL AUDIO PRE-DISTORTION IN AN AUDIO DIGITAL TO ANALOG CONVERTER - An adaptive digital pre-distortion block is used to cancel device nonlinearities to improve the overall linearity of a Delta-Sigma DAC system. In particular, the pre-distortion block may be implemented all in digital components and utilize programmable registers that change the pre-distortion transfer function either statically or dynamically, or both. Static changes can be for variation in process corners during production, whereas, dynamic changes can be used to correct nonlinear changes that can occur from environmental reasons such as voltage, temperature, aging and device stress.09-23-2010
20110243120ANTENNA SOLUTION FOR NEAR-FIELD AND FAR-FIELD COMMUNICATION IN WIRELESS DEVICES - A single-antenna solution is provided for near-field and far-field communication in wireless devices. In an embodiment, a first transceiver block generates a first transmit signal to be transmitted using radiative techniques. A second transceiver block generates a second transmit signal to be transmitted using inductive coupling. The first and second transceiver blocks are coupled to a same antenna for transmitting the first transmit signal using radiative coupling, and the second transmit signal using inductive coupling. The first transceiver block and the second transceiver block operate according to time division multiplexing, and in an embodiment corresponding to an FM transceiver and an NFC transceiver.10-06-2011

Patent applications by Gangadhar Burra, Plano, TX US

James P. Burra, Laguna Hills, CA US

Patent application numberDescriptionPublished
20110017686Wine barrel rack - A wine barrel rack comprises a unitary molded plastic base including a generally rectangular planar wall around a periphery of the base connected to a formed wall to provide an upwardly opening space. The formed wall defines outer legs at opposite longitudinal ends of the base. An inner leg is disposed centrally between the outer legs. The legs are provided for resting on a support surface. First and second cradles are each disposed between one of the outer legs and the inner leg. Each cradle is contoured for supporting a barrel in the upwardly opening space, in use.01-27-2011

Narendra K. Burra, Hyderabad IN

Patent application numberDescriptionPublished
20120125997SYSTEM AND METHOD FOR PROVIDING AND VERIFYING A PASSPORT - Embodiments of the present invention provide an approach that leverages public key infrastructure (PKI) digital signature and barcode technology in providing a passport that can be validated for authenticity and data integrity when in printed form. In one embodiment, there is a barcoding tool that includes a data retrieving component configured to retrieve a set of identity data; a data concatenating component configured to concatenate the set of identity data into a single data string; a digital signature generating component configured to generate a digital signature from the data string using a private key of an issuing authority; and a barcode generating component configured to generate a barcode symbol from the data string and a barcode symbol from the digital signature. In another embodiment, there is a barcode reading tool that includes reading the identity data and digital signature barcode symbols using a barcode reader; displaying the identity data and digital signature on a display device; verifying the digital signature; and displaying verification results on a display device.05-24-2012

Rajni Kant Burra, Bangalore IN

Patent application numberDescriptionPublished
20090194995POWER GENERATION STABILIZATION CONTROL SYSTEMS AND METHODS - A stabilization system for a power generation system including non-conventional energy source coupled to a utility grid, the stabilization system comprising: a deadband limiter configured for detecting when a signal of the power generation system is outside of a signal range; a power shaper configured for providing a transient power generation adjustment signal in response to the signal being outside of the signal range; and a limit controller to configured to prevent the adjustment signal from causing the energy source of the power generation system to operate outside of at least one operating constraint.08-06-2009
20090230689WIND TURBINE ENERGY STORAGE AND FREQUENCY CONTROL - Commands are generated for controlling a state of charge of an energy storage device coupled between an energy source and an auxiliary load. Commands are also generated for providing from the energy storage device to the auxiliary load and for using power from the energy storage device for controlling a DC link voltage, energy source torque, grid side power flow, or combinations thereof. Commands may also be generated to provide frequency compatible power to auxiliary loads of the energy source.09-17-2009
20110074151MULTI-USE ENERGY STORAGE FOR RENEWABLE SOURCES - A power generation system having a wind turbine blade assembly, a generator mechanically coupled to the blade assembly, and a power converter coupled to the generator is provided. An energy storage device and a bidirectional converter coupling the energy storage device to the power converter are also provided in the system. An inertia controller is provided for generating a first transient signal to regulate active power from the wind turbine system when a power grid signal is outside of a respective signal range. The system further includes an energy storage controller for providing a second transient signal to the bidirectional converter to regulate a power to or from the energy storage device based upon the first transient signal, power generating system conditions or combinations thereof.03-31-2011
20110137481SYSTEM AND METEHOD FOR PROVIDING POWER GRID ENERGY FROM A BATTERY - A system for providing energy and other ancillary services to a power grid including a renewable energy source. One or more power converters are integrated with the renewable energy source. A battery-based energy storage system is also integrated with the renewable energy source. A control system including an algorithmic software operates to control at least one power converter together with the battery-based energy storage system to supply stored battery energy to the grid when the cost of extracting the stored battery energy supplied to the grid via the battery-based energy storage system is less than the market price paid for the stored energy supplied by the battery-based energy storage system.06-09-2011