Patents by Inventor Rabin Deka

Rabin Deka 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).

  • Autokeying for musical accompaniment playing apparatus
    Patent number: 5641927
    Abstract: A Karaoke (10) apparatus with autokeying is provided by measuring the average pitch (28) of the singer or user over a predetermined time period, comparing (29) the pitch of the singer or user voice to that of a reference pitch to provide a signal representing mismatch and changing the pitch (31) of the background music to match that of the singer or user.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: June 24, 1997
    Assignee: Texas Instruments Incorporated
    Inventors: Basavaraj I. Pawate, Rabin Deka, Wallace Anderson, Wai-Ming Lai, Vishu R. Viswanathan