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:
Jul. 19, 1988
Filed:
Apr. 14, 1986
Susumu Kozuki, Tokyo, JP;
Masamichi Toyama, Tokyo, JP;
Akihiro Fujiwara, Yokohama, JP;
Naoya Kaneda, Yokohama, JP;
Youichi Iwasaki, Kawasaki, JP;
Koji Takahashi, Yokohama, JP;
Takashi Amikura, Tokyo, JP;
Toshihiko Nishikori, Sagamihara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The invention relates to an active type AF apparatus. In an AF type apparatus for radiating light from a projecting means to an object, receiving light reflected by the object by first and second photosensor portions, and obtaining distance data based on outputs form the photosensor portions, the signals from the first and second photosensor portions are time-divisionally integrated in the same direction by a single integrating circuit and distance data is obtained based on data on integrated values.