| 摘要 |
PROBLEM TO BE SOLVED: To obtain a driving device where the reference position of a body to be driven is hardly fluctuated and whose constitution is simple by making each body to be driven abut on a fixed member at a different time in the case of restoring each body to be driven to the reference position. SOLUTION: In this driving device 1, the back wall 14d of a frame body 14 is used common in order to fix the reference positions of lenses L1 and L2. In the case of restoring the lenses L1 and L2 to the reference positions, the rear end faces of the projections 22a and 22b of lens frames 21a and 21b are made to abut on the front surface of the back wall 14d. The driving of the lenses L1 and L2 is controlled so that the abutting time on the back wall 14d of the projections 22a and 22b may surely differ. By making the abutting time on the fixed member different in the respective bodies to be driven, the deformation of the fixed member and the interference of vibration caused when the bodies to be driven abut nearly at the same time are eliminated, and the fluctuation of the reference position is prevented. Therefore, the positions of the respective bodies to be driven are always accurately known and the respective bodies to be driven are set to the appropriate positions. |
