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:
Oct. 29, 2002
Filed:
Aug. 23, 2001
Ritsuo Kashiyama, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a camera which includes an electronic flash device for illuminating a subject and a photo-taking mode setting member, the photo-taking mode setting member can be set to any one of: (a) a first mode, in which the electronic flash device emits light during a recording medium exposure operation, and emits auxiliary light during a focal point detection operation by a focal point detecting device; (b) a second mode, in which the electronic flash device does not emit light during a recording medium exposure operation, but the electronic flash device emits auxiliary light during a focal point detection operation by the focal point detecting device; and (c) a third mode, in which the electronic flash device emits light during a recording medium exposure operation, but the electronic flash device does not emit auxiliary light during a focal point detection operation by the focal point detecting device.