Patents by Inventor Michiharu Akasaka

Michiharu Akasaka 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).

  • Camera with computer control
    Patent number: 5166721
    Abstract: In an electrical automatic camera capable of performing normal mode in which picture-taking operation is carried out one time for only one frame of photographic film and interval mode in which picture-taking operation is repeated for a given number of frames with a given interval, the invention provides battery-check circuit having at least two kinds of reference levels for comparing with current voltage level of battery, wherein the first reference level is used in the time of the normal mode and the second reference level is used in the time of the interval mode, and wherein the second reference level is set to be higher than the first reference level.
    Type: Grant
    Filed: December 19, 1991
    Date of Patent: November 24, 1992
    Assignee: Konica Corporation
    Inventor: Michiharu Akasaka
  • Camera with computer control
    Patent number: 4982220
    Abstract: In an electrical automatic camera capable of performing normal mode in which picture-taking operation is carried out one time for only one frame of photographic film and interval mode in which picture-taking operation is repeated for a given numbers of frames with a given interval, the invention provides battery-check circuit having at least two kinds of reference levels for comparing with current voltage level of battery, whereby the first reference level is used in the time of the normal mode and the second reference level is used in the time of the interval mode, and wherein the second reference level is set to be higher than the first reference level.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: January 1, 1991
    Assignee: Konica Corporation
    Inventor: Michiharu Akasaka