Patents Represented by Law Firm Robin, Blecker, Daley and Droscoll
  • Photographic converter
    Patent number: 5455650
    Abstract: A converter mountable between a camera body and a lens barrel comprises a communication part arranged to communicate with the camera body, a signal output part arranged to output a signal for enabling the camera body to recognize that a lens barrel of a specific type is mounted, a first driving mechanism for driving a focusing-lens moving mechanism disposed within the lens barrel, and a second driving mechanism for driving a diaphragm device disposed within the lens barrel.
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: October 3, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yutaka Fujiwara