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:
Jun. 08, 1993
Filed:
Jan. 24, 1992
Applicant:
Inventors:
Hiroshi Sakamoto, Kawasaki, JP;
Nobuyoshi Hagiuda, Yokohama, JP;
Norikazu Yokonuma, Tokyo, JP;
Hideki Matsui, Yokohama, JP;
Ryotaro Takayanagi, Yokosuka, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354416 ; 354475 ; 3541271 ;
Abstract
A TTL automatic light modulation electronic flash device having transmission means, control means and indication means is combined with a camera. The electronic flash device receives a signal from the camera in the transmission means, and the control means controls the indication means to indicate data concerning an improper exposure amount.
Quick Actions:
Sakamoto, Hiroshi. (1993). Exposure amount indicator (U.S. Patent No. 5218398). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5218398
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile