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:
Jul. 06, 1976
Filed:
May. 23, 1975
Applicant:
Inventors:
Hirokazu Kaneko, Yokohama, JA;
Hiroo Nakano, Yokohama, JA;
Assignee:
Ricoh Co., Ltd., , JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354 33 ; 354 45 ;
Abstract
A flash emitter is automatically actuated upon releasing the shutter when the brightness of an object to be photographed is below a predetermined level. Upon the flashwise photographing, the diaphragm aperture is also automatically controlled in accordance with the distance between the camera and the object.
Quick Actions:
Kaneko, Hirokazu. (1976). Shutter for photographic cameras with a flash equipment (U.S. Patent No. 3968503). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3968503
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile