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:
Oct. 14, 1980
Filed:
Apr. 19, 1979
Applicant:
Inventor:
Shinsuke Komoto, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354196 ;
Abstract
A lens barrel in which a distance ring is coupled to an aperture ring so that correct exposure can be obtained in flash photography. In the arrangement, a rotating member, which rotates integrally with the aperture ring, and the distance ring can rotate functionally with respect to each other through a fixed cylinder and an engaging member which can move in the direction of optical axis with respect to the fixed cylinder.
Komoto, Shinsuke. (1980). Lens barrel for flash photography (U.S. Patent No. 4227791). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4227791
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile