Patents by Inventor Ramon E. Prieto

Ramon E. Prieto 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).

  • Method and system for speech recognition using grammar weighted based upon location information
    Patent number: 7328155
    Abstract: A speech recognition method and system for use in a vehicle navigation system utilize grammar weighted based upon geographical information regarding the locations corresponding to the tokens in the grammars and/or the location of the vehicle for which the vehicle navigation system is used, in order to enhance the performance of speech recognition. The geographical information includes the distances between the vehicle location and the locations corresponding to the tokens, as well as the size, population, and popularity of the locations corresponding to the tokens.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: February 5, 2008
    Assignee: Toyota InfoTechnology Center Co., Ltd.
    Inventors: Norikazu Endo, Benjamin K. Reaves, Ramon E. Prieto, John R. Brookes