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:
Nov. 09, 1982
Filed:
Dec. 11, 1980
Applicant:
Inventors:
Isao Kondo, Hachioji, JP;
Yukio Nakajima, Hachioji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354 33 ; 354 34 ;
Abstract
An automatic-light control electronic flash device used in automatic exposure camera having a gate circuit connected between an electromagnetic device for driving a shutter rear curtain and a light control signal output terminal. The gate circuit is enabled by a flash ready signal produced from the automatic-light control electronic flash device thereby to permit a light control signal producing in response to the deenergization of the electromagnetic device to pass therethrough to the automatic-light control electronic flash device.