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. 04, 1983
Filed:
Sep. 15, 1982
Naoki Tomino, Kawasaki, JP;
Masaaki Tsukamoto, Tokyo, JP;
Nippon Kogaku K.K., Tokyo, JP;
Abstract
In a camera of the type which is provided with a focal plane shutter having a group of opening blades and a group of closing blades and a light receiving element for metering the light transmitted through a photographing lens, the improvement comprises an additional light shielding member provided in the path of photographing light on the front side of the focal plane shutter relative to the transmitted light. The light shielding member is so disposed as to be able to reflect the photographing light toward the light receiving element. Retracting means brings the light shielding member to a position out of the photographing light path prior to exposure.