Patents by Inventor Toshiaki Nario

Toshiaki Nario 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).

  • FM stereo broadcasting apparatus and method
    Patent number: 5682431
    Abstract: The FM stereo broadcasting apparatus has a sampling frequency converter for receiving a digital input signal having an L (left audio)-signal and an R (right audio)-signal and for converting the digital input signal so that its sampling frequency is equal to either a frequency of a subcarrier of a composite audio signal or a first sampling frequency of a first sampling signal for the operation of a composite audio signal generator, a sampling signal generator for generating the first sampling signal for the operation of the composite audio signal generator having the first sampling frequency which is equal to 2.sup.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: October 28, 1997
    Assignees: Hitachi Denshi Kabushiki Kaisha, Nippon Hoso Kyokai
    Inventors: Makoto Ohnishi, Masaaki Ohta, Ikuzi Fuzitani, Toshiaki Nario, Kazuhisa Hayeiwa, Yoshihiko Nasu