发明名称 Image pickup device and focal plane shutter
摘要 An image pickup device includes: a focal plane shutter including: a board including an opening; a leading shutter and a trailing shutter moving to open and close the opening; a leading-shutter actuator and a trailing-shutter actuator respectively causing the leading shutter and the trailing shutter to move; a leading-shutter sensor detecting that the leading shutter passes through a first position; and a trailing-shutter sensor detecting that the trailing shutter passes through a second position, an image pickup element that light enters through the opening; and a drive control portion.
申请公布号 US9294683(B2) 申请公布日期 2016.03.22
申请号 US201414190590 申请日期 2014.02.26
申请人 SEIKO PRECISION INC. 发明人 Nakano Yoichi;Sakurai Motoharu
分类号 H04N5/238;H04N5/235;H04N5/335;G03B15/03;G03B9/70;G03B9/42 主分类号 H04N5/238
代理机构 Kratz, Quintos & Hanson, LLP 代理人 Kratz, Quintos & Hanson, LLP
主权项 1. An image pickup device comprising: a focal plane shutter including: a board including an opening;a leading shutter and a trailing shutter moving to open and close the opening;a leading-shutter actuator and a trailing-shutter actuator respectively causing the leading shutter and the trailing shutter to move;a leading-shutter sensor detecting that the leading shutter passes through a first position; anda trailing-shutter sensor detecting that the trailing shutter passes through a second position, an image pickup element that light enters through the opening; and a drive control portion correcting power supplied to the leading-shutter actuator while the leading shutter is moving, on a basis of a leading-shutter approach movement period from when the leading-shutter actuator starts being energized such that the leading shutter opens the opening to when the leading shutter passes through the first position, the drive control portion correcting power supplied to the trailing-shutter actuator while the trailing shutter is moving, on a basis of a trailing-shutter approach movement period from when the trailing-shutter actuator starts being energized such that the trailing shutter closes the opening to when the trailing shutter passes through the second position.
地址 Narashino-shi JP