The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 1977
Filed:
May. 12, 1975
Mutsunobu Yazaki, Yokohama, JA;
Takashi Uchiyama, Yokohama, JA;
Mutsuhide Matsuda, Yokohama, JA;
Tetsuya Taguchi, Kawasaki, JA;
Yukio Mashimo, Tokyo, JA;
Canon Kabushiki Kaisha, Tokyo, JA;
Abstract
The present invention relates to an aperture setting device for camera at the time of photographing under day light as well as under flashlight. The device presents an aperture setting ring rotatable from the range of photographing under daylight to that under flashlight, being switched over according to the then photographing conditions, an information setting means to be moved according to the set information for photographing under flashlight such as information of the distance and an aperture ring for setting aperture, whereby the aperture ring is moved in engagement with the aperture setting ring in case the aperture setting ring is set for the range of photographing under daylight while the aperture ring is moved in engagement with the information setting means in case the aperture setting ring is set for the range of photographing under flashlight. In this way the aperture is set for photographing under daylight as well as under flashlight.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile