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.

Date of Patent:
Dec. 21, 1982

Filed:

May. 16, 1980
Applicant:
Inventors:

Yoshio Yuasa, Kawachinagano, JP;

Toru Kisanuki, Toyokawa, JP;

Susumu Shirai, Toyohashi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J / ;
U.S. Cl.
CPC ...
356225 ;
Abstract

With an exposure meter usable in both reflected light mode and incident light mode, the exposure meter is capable of displaying a value measured in reflected light mode with a reflected light mode attachment mounted on the exposure meter, and a value measured in incident light mode with an incident light mode attachment mounted thereon.


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