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:
Aug. 19, 2014
Filed:
Sep. 11, 2013
Applicant:
Seiko Precision Inc., Narashino, JP;
Inventors:
Hiroshi Takahashi, Narashino, JP;
Minori Murata, Narashino, JP;
Chiaki Nemoto, Narashino, JP;
Shoichi Tokura, Narashino, JP;
Assignee:
Seiko Precision Inc., Narashino-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A focal plane shutter includes: a board including an opening; a leading blade and a trailing blade opening and closing the opening; first and second drive members respectively driving the leading blade and the trailing blade; first and second actuators respectively driving the first and second drive members; a first biasing member biasing the first drive member to move the leading blade away from the opening; and a second biasing member biasing the second drive member to move the trailing blade away from the opening.