Patents by Inventor Ryan Heidari

Ryan Heidari 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).

  • Variable bit rate coder, and associated method, for a communication station operable in a communication system
    Patent number: 6625226
    Abstract: A variable bit rate coder, and an associated method, for encoding a frame of speech, such as frames of data generated during operation of a communication station operable in a cellular communication system. Selection of the coding rate is made responsive to indicia of actual coding performance of a coder at more than one coding rate.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: September 23, 2003
    Inventors: Allen Gersho, Vladimir Cuperman, Jan Linden, Ajit V. Rao, Sassan Ahmadi, Fenghua Liu, Ryan Heidari