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. 23, 1981
Filed:
May. 18, 1979
Shuichi Tamura, Yokohama, JP;
Yukichi Niwa, Yokohama, JP;
Masahiko Ogawa, Hino, JP;
Mitsutoshi Owada, Yokohama, JP;
Noriyuki Asano, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A distance measuring device is disclosed. This device has light projecting means. Light is projected from this projecting means to a target, and the concurrently reflected light from the target is received by photoelectric light receiving means which is provided with a plurality of photosensitive elements independent of each other and arranged in such predetermined distances from the above described light projecting means as to correspond to individual object distances different from each other. From the concurrent state of output of said photoelectric light receiving means there can be detected a distance to the above described target.