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. 11, 2019
Filed:
Jul. 24, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Natsu Mikami, Kawasaki, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A mirror drive device capable of achieving high responsiveness and driving stability, and suppressing mirror bounce. The mirror drive device includes a mirror box. A main mirror holder has a main mirror rotating shaft rotatably supported by the mirror box, and rotatably holds a main mirror between a mirror-down position and a mirror-up position, A sub mirror holder has a sub mirror rotating shaft rotatably supported by the mirror box, and rotatably holds a sub mirror between a mirror-down position and a mirror-up position. The main mirror holder and the sub mirror holder are connected by at least one connecting member. A drive member is engaged with the connecting member, and is driven for rotation by a motor. The sub mirror holder is directly driven by the drive member, and the main mirror holder is driven by the drive member via the connecting member.