SHAKE CORRECTION DEVICE

• Main Authors: YUGE KAZUNORI, OTA MASAYA, SUEOKA YOSHIAKI
• Format: Patent
• Language: English; Japanese
• Published: 15.12.2014
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; CINEMATOGRAPHY; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; ELECTROGRAPHY; HOLOGRAPHY; PHOTOGRAPHY; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION

PROBLEM TO BE SOLVED: To provide a shake correction device that enables increase in drive force and acceleration upon a shake correction, and enables a shake correction with hight accuracy.SOLUTION: A shake correction unit 1 has: a movable body 4 that holds a third lens group 113; a drive first magnet 11 that is attached to the movable body 4; a stationary barrel 2 that supports the movable body 4 movably in a direction orthogonal to an optical axis O of the third lens group 113; a coil 15 that proximately faces a subject side of the first magnet 11, and is attached to a shutter unit 6; a hole element 13 spaced at a prescribed distance from the coil 15 and disposed on the opposite side of the first magnet 11; and a position detection second magnet 17 that is disposed between the hole element 13 and the first magnet 11 facing the hole element 13, and is attached to the movable body 4. 【課題】ブレ補正時における駆動力および加速度を大きくでき精度の高いブレ補正ができるブレ補正装置を提供する。【解決手段】ブレ補正ユニット１は、第３のレンズ群１１３を保持した可動体４と、この可動体４に取り付けられた駆動用の第１磁石１１と、可動体４を第３のレンズ群１１３の光軸Ｏと直交する方向に移動可能に支持した固定筒２と、第１磁石の被写体側に近接対向してシャッターユニット６に取り付けられたコイル１５と、このコイル１５から所定距離離間して第１磁石１１の反対側に配置されたホール素子１３と、このホール素子１３に対向して第１磁石１１との間に配置され可動体４に取り付けられた位置検出用の第２磁石１７と、を有する。【選択図】図６