Patents Assigned to Tadamasa Aoyama
  • Patent number: 4081732
    Abstract: The invention relates to an automatic positioning apparatus which is primarily adapted to control the position of a movable part of a machine tool such as a tool rest of a lathe in response to an output signal of a means for measuring the distance of travel of the movable part, and the output signal of a setting circuit on which parameters of motion of the movable part may be preset.
    Type: Grant
    Filed: March 2, 1976
    Date of Patent: March 28, 1978
    Assignee: Tadamasa Aoyama
    Inventor: Tadamasa Aoyama