Patents by Inventor Shinji Otaki

Shinji Otaki 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).

  • Sound source circuit and telephone terminal using same
    Patent number: 7067731
    Abstract: A sound source circuit is provided for a telephone terminal to reproduce chorus-effect imparted musical tones as incoming call sound or hold sound. Herein, original musical tone data ? c1 are slightly modified in pitches to produce musical tone data ? c2 with respect to a prescribed tone color. These musical tone data are periodically selected and synthesized together to form musical tone signals having a chorus effect, based on which the chorus-effect imparted musical tones be reproduced for the telephone terminal such as a portable telephone.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: June 27, 2006
    Assignee: Yamaha Corporation
    Inventors: Kiyoshi Yamaki, Shinji Otaki
  • Sound source circuit and telephone terminal comprising thereof
    Publication number: 20030110928
    Abstract: A sound source circuit is provided for a telephone terminal to reproduce chorus-effect imparted musical tones as incoming call sound or hold sound. Herein, original musical tone data &ohgr;c1 are slightly modified in pitches to produce musical tone data &ohgr;c2 with respect to a prescribed tone color. These musical tone data are periodically selected and synthesized together to form musical tone signals having a chorus effect, based on which the chorus-effect imparted musical tones be reproduced for the telephone terminal such as a portable telephone.
    Type: Application
    Filed: October 15, 2002
    Publication date: June 19, 2003
    Inventors: Kiyoshi Yamaki, Shinji Otaki