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:
Dec. 14, 1982
Filed:
Jun. 11, 1979
Applicant:
Inventors:
Isao Kondo, Hachioji, JP;
Yukio Nakajima, Hachioji, JP;
Assignee:
Olympus Optical Company Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354 31 ; 354 33 ; 354139 ; 354145 ;
Abstract
A camera and electronic flash combination is provided which permits the electrical circuits of a camera and an electronic flash to be coupled to each other through four terminals, thus achieving an efficient transfer of signal between both units. The electronic flash includes an illumination control circuit which can be controlled by an illumination control signal from the camera, preferentially from an output from a photometric circuit contained in the electronic flash, by an operation of a changeover switch which is disposed within the camera.