Patents by Inventor Narsimham Gangishetti

Narsimham Gangishetti 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).

  • Digital tone controls and systems using the same
    Patent number: 6898470
    Abstract: Digital tone controls 500 include a first path 502 including a digital filter 504 and a scaler 505 for controlling a level of a low frequency component of a received digital audio signal. A second 502 includes a digital filter 504 and a scaler 505 for controlling a level of a high frequency component of the received digital audio signal. A third path 503 includes a scaler 506 for controlling a level of an unfiltered component of the received audio signal. A summer 507 adds a contribution from each of the paths to generate a composite signal having a selected gain-frequency response.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: May 24, 2005
    Assignee: Cirrus Logic, Inc.
    Inventors: Raghunath Rao, Narsimham Gangishetti, Miroslav Dokic