| 摘要 |
PURPOSE:To improve the reliability of a wire ring joining part by providing a suspension for vibration suppression and vibrating other parts except an image pickup element. CONSTITUTION:A lens 31 is stored in a cylindrical case 32, which is made of a plastic magnet and magnetized having an N and an S pole in, for example, an optical-axis direction. One-terminal sides of suspensions 33 for vibration damping are fixed to both end parts of the cylindrical case 32, the other-terminal sides are fixed to the housing part 34 of the entirety, and a coil 35 is wound around the housing part 34; when a current is supplied to the coil 35, magnetic flux is produced in the optical-axis direction. Here, when an AC current is applied to the coil 35, the magnetic flux changes in direction according to its frequency, so the cylindrical case 32 made of the plastic magnet vibrates corresponding to the direction change. There is no wire ring part at the part which vibrates and the coil is fixed, so the wire ring joining part never deteriorates owing to the vibrations. |
