| 摘要 |
PROBLEM TO BE SOLVED: To implement an effective deceleration control in a shutter device.SOLUTION: When a cam member is driven in one direction, a first segment and second segment and third segment are provided in a cam part so that an engagement part is caused to be driven through the first segment, the engagement part is caused to be driven through the second segment, and the engagement part is caused to be driven through the third segment. When the engagement unit is caused to be driven through the second segment, control means is configured not to start a deceleration control, and drive a motor in a second direction which is opposite the first direction. When a shutter device implements a reciprocal operation, the control means is configured to start the deceleration control at a time when the engagement part is caused to be driven through the second segment.SELECTED DRAWING: Figure 13 |
