Patents by Inventor Jirou Kazumi

Jirou Kazumi 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).

  • Optical apparatus responsive to an external information output device
    Patent number: 5381207
    Abstract: A camera controls its operation according to the data contents of a signal transmitted from an external information output device. The camera includes a detector for detecting the signal transmitted from the information output device, a switch for switching the detector to a detectable state, and a limitation unit for making the detector non-operable irrespective of any state of the switch. Thus, a meaningless detection operation of the detector is limited.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: January 10, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventor: Jirou Kazumi