Override Or Manual Control Patents (Class 396/218)
  • Optical apparatus with aperture controller
    Patent number: 7742694
    Abstract: An optical apparatus, such as an image pickup apparatus, includes a detector configured to detect whether a manual aperture operation unit is operated by an amount greater than or equal to a predetermined amount during automatic aperture control. When an aperture fixing switch is operated or when the detector detects that the manual aperture operation unit is operated by an amount greater than or equal to the predetermined amount, automatic aperture control is disabled and manual aperture control is enabled.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: June 22, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoaki Yamanaka