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. 22, 1987
Filed:
May. 12, 1986
Applicant:
Inventors:
Nobuhiko Terui, Tokyo, JP;
Hisatoshi Takahata, Sakura, JP;
Assignee:
Nippon Kogaku K. K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354413 ; 354416 ; 354484 ; 3541451 ;
Abstract
Flash photographing system comprises a camera and a flash unit, which are exchangeable data. The flash unit is provided with a control circuit transmitting a power source control signal to a camera when a power source switch of the camera is not turned on, thereby enabling data exchange between the camera and the flash unit.