Patents by Inventor Tuneto Takeuchi

Tuneto Takeuchi 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).

  • Patent number: 4977359
    Abstract: In a servo motor system, consisting of a servo motor unit, a servo driver unit, power transmission lines for supplying electric power from the servo driver unit to the servo motor unit, and signal transmission lines for supplying electric signals from the servo motor unit to the servo driver unit, to the end of reducing the number of the signal transmission lines without requiring any particularly high-speed or high-quality signal transmission lines, the servo motor unit comprises a parallel-serial signal conversion circuit for converting outputs from a pole sensor, a rotary encoder, and an abnormal condition sensor into a single serial signal which is transmitted to the servo driver unit via one of the signal transmission lines. The servo driver unit comprise a serial-parallel signal conversion circuit for separating from the serial signal the aforementioned outputs from the various sensors.
    Type: Grant
    Filed: November 24, 1989
    Date of Patent: December 11, 1990
    Assignees: Omron Tateisi Electronics Co., Kabushiki Kaisha Sankyo Seiki Seisakusho
    Inventors: Kenji Sawai, Tuneto Takeuchi, Jinichi Ito