SHAKE CORRECTION DEVICE AND IMAGING DEVICE

• Main Authors: YUGE KAZUNORI, 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 a quick operation and stoppage upon performing a shake correction without enlarging a size of a magnet or each coil.SOLUTION: A shake correction unit 1 has: a movable body 4 that holds a third lens group 113; a 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 first coil 13 that proximately faces an image pickup element side of the magnet 11, and is attached to a frame 21 of the stationary barrel 2; and a second coil 15 that proximately faces an opposite side of the magnet 11, and is attached to a shutter unit 6. One surface of the magnet 11 faces the first coil 13, and the other surface thereof faces the second coil 15, and the movable body 4 moves by excitation force which both surfaces of the magnet 11 affect from the first and second coils 13 and 15, respectively. 【課題】磁石や各コイルのサイズを大きくしなくてもブレ補正の際に急激な作動及び停止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、磁石１１の撮像素子側に近接対向して固定筒２のフレーム２１に取り付けられた第１コイル１３と、磁石１１の反対側に近接対向してシャッターユニット６に取り付けられた第２コイル１５と、を有する。磁石１１は、一方の面が第１コイル１３に対向して他方の面が第２コイル１５に対向し、可動体４は、磁石１１の両面が第１及び第２コイル１３、１５の各々から受ける励磁力によって移動する。【選択図】図１２