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:
Sep. 07, 2021

Filed:

Jan. 30, 2020
Applicant:

Nidec Copal Corporation, Tokyo, JP;

Inventor:

Yusuke Suzuki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 9/14 (2021.01); G03B 9/40 (2021.01);
U.S. Cl.
CPC ...
G03B 9/40 (2013.01); G03B 9/14 (2013.01);
Abstract

A focal-plane shutter for electronic front curtain scanning allows blades to move in two directions across the opening in a balanced manner, rather than in one direction. The focal-plane shutter for electronic front curtain scanning includes a base plate having an opening, a first blade movable in a first direction to close the opening, a second blade movable in a second direction to close the opening and opposite to the first direction in which the first blade is movable, a first urging member that urges the first blade in the first direction to close the opening, and a second urging member that urges the second blade in the second direction to close the opening.


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