Patents by Inventor Mitsuo Otsu

Mitsuo Otsu 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).

  • High voltage generating apparatus
    Patent number: 4144480
    Abstract: A high voltage generating apparatus suitable for a television receiver. A flyback transformer has a secondary winding divided into a plurality of parts by at least a diode and a primary winding connected to a variable voltage divider circuit for varying the primary-side flyback pulse voltage. The variable voltage divider circuit is connected to an end of a focus capacitor with the other end thereof connected to the cathode of the diode, so that a variable pulse voltage is applied to the focus capacitor to regulate the focus voltage.
    Type: Grant
    Filed: January 4, 1977
    Date of Patent: March 13, 1979
    Assignee: Hitachi, Ltd.
    Inventors: Tadashi Nagasaki, Mitsuharu Akatsu, Mitsuo Otsu