| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vibration actuator stably driven, a lens barrel with the same, and a camera. <P>SOLUTION: The vibration actuator (10, 20, 30 or 40) have a vibrator (11), a relative movement member (14) pressed and contacting the vibrator and relatively moving between the moving object, and a pressing section (18, 28, 38 or 48) for pressing and contacting the vibrator and the relative movement member. The pressing section has a displacement section (18d, 28d, 38d or 48d) displacing in the pressing direction depending on a temperature change. <P>COPYRIGHT: (C)2009,JPO&INPIT |
