Patents by Inventor Azuchimachi Ootsuka

Azuchimachi Ootsuka 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).

  • Device for automatically adjusting focus or detecting object distance or camera having such function
    Patent number: 5053801
    Abstract: An automatic focus adjusting device detects focus condition respectively of a plurality of areas of a scene to be photographed to calculate respective focus adjusting data, and automatically adjusts the focus of an objective lens on an object in the scene based on the focus adjusting data. And the automatic focus adjusting device decides a focus adjusting data from the plurality of focus adjusting data based on an image magnification data representing the size of the object relative to the scene, a focal length of the objective lens or an object distance to automatically adjust the focus.
    Type: Grant
    Filed: September 8, 1989
    Date of Patent: October 1, 1991
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Tokuji Ishida, Toshio Norita, Azuchimachi Ootsuka