Patents by Inventor Hirotoshi Satoh

Hirotoshi Satoh 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).

  • Apparatus for reproducing sound field
    Patent number: 5285503
    Abstract: This invention relates to a audio system installed in a vehicle. An apparatus for reproducing a sound field according to the invention includes a fader controlling circuit for separating a sound signal into predetermined channels to adjust a level of each separated sound signal depending on an amount of manipulation of a fader manipulating part, a sound field controller for performing a computing process of each sound signal obtained by the fader controlling circuit to form a desired sound inside a vehicle, and a relieving part invalidating a separate adjustment for the sound signal caused by the manipulation of the fader manipulating part while the sound field controller is operated.
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: February 8, 1994
    Assignee: Fujitsu Ten Limited
    Inventors: Hirotoshi Satoh, Toshihito Sawai