发明名称 OPTICAL EQUIPMENT
摘要 <P>PROBLEM TO BE SOLVED: To prevent the generation of noise and deterioration in lens position precision caused by vibration generated due to engagement play between a lens holding member and a bar member. Ž<P>SOLUTION: Optical equipment includes a first lens holding member 4 which holds a first movable lens L4 and moves along an optical axis, actuators 41 and 63 which drives the first lens holding member along the optical axis, bar members 65 and 66 which are engaged with the first lens holding member and guide the first lens holding member to the optical axis or stops the first lens holding member from rotating, an actuator/bar holding member 6 which holds the actuators and has a bar support portion 6a for supporting the bar members, second lens holding members 1 and 2 which hold a second movable lens and moves along the optical axis, and a lens barrel member 7 which supports the second lens holding members 1 and 2 movably along the optical axis. A vibration control member 68 is disposed between the bar support portion and lens barrel member. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
申请公布号 JP2010072061(A) 申请公布日期 2010.04.02
申请号 JP20080236455 申请日期 2008.09.16
申请人 CANON INC 发明人 SUZUKI NOBUYOSHI
分类号 G02B7/04 主分类号 G02B7/04
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