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. 01, 1986
Filed:
Sep. 14, 1984
Applicant:
Inventor:
Hisatoshi Takahata, Sakura, JP;
Assignee:
Nippon Kogaku K. K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354446 ; 354448 ; 354484 ; 354272 ;
Abstract
An automatic stop control circuit is so constructed that in a period wherein the photo metering output signal is adversely affected by a counter electromotive pulse generated during the operative period of the electromagnetic release device for camera release, the operation of the automatic stop control circuit is prohibited. Note that the camera release herein includes a release operation for initiating a series of operations including the stop-down operation for taking a photograph, a mirror-up operation and a shutter running operation.