Patents by Inventor Venkateswar R. Kowkutla

Venkateswar R. Kowkutla has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7071752
    Abstract: A digital amplifier includes a noise shaper and a dither generator arranged to introduce noise to the shaper. The generator uses a seed value derived from a state variable of the shaper.
    Type: Grant
    Filed: January 29, 2004
    Date of Patent: July 4, 2006
    Assignee: Texas Instruments Incorporated
    Inventors: Venkateswar R. Kowkutla, Shifeng Zhao, Luis E. Ossa, Kenneth M. Bell, Anker Josefsen, Lars Risbo
  • Publication number: 20040239417
    Abstract: A digital amplifier includes a noise shaper and a dither generator arranged to introduce noise to the shaper. The generator uses a seed value derived from a state variable of the shaper.
    Type: Application
    Filed: January 29, 2004
    Publication date: December 2, 2004
    Inventors: Venkateswar R. Kowkutla, Shifeng Zhao, Luis E. Ossa, Kenneth M. Bell, Anker Josefsen, Lars Risbo
  • Patent number: 6720825
    Abstract: A system and method for reducing audible turn-on and turn-off transients in switching amplifiers employs a frequency shaped start sequence in front of a modulated zero-signal or a frequency shaped stop sequence following a modulated zero-signal.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: April 13, 2004
    Assignee: Texas Instruments Incorporated
    Inventors: Thomas H. Hansen, Lars Risbo, Venkateswar R. Kowkutla
  • Publication number: 20030179037
    Abstract: A system and method for reducing audible turn-on and turn-off transients in switching amplifiers employs a frequency shaped start sequence in front of a modulated zero-signal or a frequency shaped stop sequence following a modulated zero-signal.
    Type: Application
    Filed: March 22, 2002
    Publication date: September 25, 2003
    Inventors: Thomas H. Hansen, Lars Risbo, Venkateswar R. Kowkutla
  • Publication number: 20020060605
    Abstract: A digital amplifier includes a noise shaper and a dither generator arranged to introduce noise to the shaper. The generator uses a seed value derived from a state variable of the shaper.
    Type: Application
    Filed: August 31, 2001
    Publication date: May 23, 2002
    Inventors: Venkateswar R. Kowkutla, Shifeng Zhao, Luis E. Ossa, Kenneth M. Bell, Anker Josefsen, Lars Risbo, Michael J. Tsecouras