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. 20, 1978
Filed:
Mar. 30, 1976
Applicant:
Inventors:
Keno Okuno, Kawasaki, JA;
Masumi Osumi, Kawasaki, JA;
Assignee:
Nippon Kogaku K.K., Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354127 ; 354 53 ; 354 / ;
Abstract
An exposure propriety indicating device for flash-photography constructed with a circuit comprising a film sensitivity signal generating circuit, an aperture value signal generating circuit, a comparison circuit for comparing signals generated by the two generating circuits, and an indicator circuit for indicating the result of such comparison.
Okuno, Keno. (1978). Exposure propriety indicating device for flash-photography (U.S. Patent No. 4096498). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4096498
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile