Patents by Inventor Hari Vyas

Hari Vyas 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).

  • Testing and calibration for audio processing system with noise cancelation based on selected nulls
    Patent number: 8452019
    Abstract: A test system is configured to perform testing and calibration on a sound processing system by generating a test sound signal and measuring the outputs of the sound processing system in response to the test sound signal. The test system includes precision measurement instrumentation for measuring amplitudes and phases of signals generated by the sound processing system. The test system transmits configuration signals to the sound processing system to programmatically adjust one or more programmable gains and delays of the sound processing system.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: May 28, 2013
    Assignee: National Acquisition Sub, Inc.
    Inventors: Evgeny Fomin, Hari Vyas