发明名称 SHUTTER MECHANISM AND CAMERA USING SAME
摘要 PROBLEM TO BE SOLVED: To provide a shutter mechanism for enabling high speed for shutter speed, by performing sure shutter operation by an inexpensive magnet, and to provide a camera which uses it. SOLUTION: The shutter mechanism 22 comprises a turnable turning arm 27, and shutter blades 23-26 for shielding an opening 12a of a prescribed bore formed on a base member 12 by the turning of the turning arm 27. The turning arm 27 comprises fixing a first magnet 28 being a drive magnet, with a first coil 29 which is a drive coil arranged at an opposite side having the drive magnet 28 and a prescribed gap, turning the turning arm 27 allowing magnetic flux generated by being energized to the first coil 29, to act on a magnetic flux of the first magnet 28, and shielding the opening 12a, by rotating the shutter blades 23-26 and by interlocking with the turning of the turning arm 27. COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2005309317(A) 申请公布日期 2005.11.04
申请号 JP20040129824 申请日期 2004.04.26
申请人 ALPS ELECTRIC CO LTD 发明人 WAKUTA HIROSHI
分类号 G03B9/00;G03B9/02;G03B9/10;G03B9/20;(IPC1-7):G03B9/10 主分类号 G03B9/00
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