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:
Sep. 11, 1984
Filed:
Sep. 16, 1983
Applicant:
Inventor:
Tetsuhiko Inagaki, Sakai, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Toyonaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354402 ; 354 64 ;
Abstract
In a water-proof photographic camera with an automatic focusing device, a taking lens will be moved to a best-in-focus position by the automatic focusing device when it is detected that the camera is in air enrivonment, and to a fixed focusing position corresponding to a value of camera-to-object distance that is expected to be most frequently used in underwater photography or a value of distance in accordance with an available amount of light emitted from an electric flash device when it is detected that the camera is in a water environment.