Patents Examined by Safet Metjah
  • Lens driving apparatus using cam plate
    Patent number: 5113261
    Abstract: A lens driving apparatus including a lens holder which holds a lens and which is movable in the optical axis direction of the lens, and a rotatable cam plate which is provided on one side of the lens holder and which lies in a plane parallel with the optical axis and which is mounted to rotate about a rotation axis. The lens holder has a cam follower pin, and the cam plate has a cam groove in which the cam follower pin of the lens holder is fitted.
    Type: Grant
    Filed: July 5, 1990
    Date of Patent: May 12, 1992
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventor: Tahei Morisawa