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:
Apr. 06, 1999
Filed:
Nov. 18, 1997
Applicant:
Inventor:
Mikio Ogi, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
396 89 ; 396358 ; 396509 ;
Abstract
A method for controlling a preview apparatus which is actuated by a preview switch which can be actuated externally, in an AF single lens reflex camera, wherein when the preview switch is turned ON, the AF operation is carried out before a stop-down operation to move a diaphragm from a full-open position to a set diaphragm position begins.