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. 11, 1994
Filed:
Jul. 10, 1992
Applicant:
Inventors:
Ryuichi Kobayashi, Kanagawa, JP;
Hidehiko Fukahori, Kanagawa, JP;
Kenji Yokoyama, Kanagawa, JP;
Tsuyoshi Fukuda, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G03B / ;
U.S. Cl.
CPC ...
3541491 ; 35414911 ; 3541951 ; 354268 ;
Abstract
A camera with a built-in or removable, zoom flash unit having an illumination angle that varies automatically in accordance with the focal length of a photographic zoom lens that is attached to the camera. The camera inhibits the shutter release until the illumination angle of the zoom flash unit has reached a value corresponding with the focal length selected for the zoom lens.