Patents by Inventor Akihiro Hirao

Akihiro Hirao 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).

  • Control system for component mounting apparatus
    Patent number: 5541834
    Abstract: A component mounting apparatus having a suction nozzle movable with a component held attracted thereto to mount the component in a mounting position on a board comprises a CCD camera for taking images of the component and the mounting position obliquely from above when the suction nozzle has been brought to above the mounting position with the component held attracted thereto, an image processing circuit for calculating the deviation of the position of the component relative to the mounting position based on image signals from the camera, and a control circuit for correcting the position of the component by moving the suction nozzle in a horizontal plane in accordance with the calculated deviation.
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: July 30, 1996
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Yoshio Tomigashi, Masaki Harada, Akira Sakaguchi, Akihiro Hirao