Patent ID: 7457055
Filing Date: 2008-11-25
Classification: G02B,G11B

Abstract:
1. A lens driving apparatus comprising: a first lens-barrel having a lens built thereinto; a second lens-barrel; an electromechanical conversion element that applies a driving force f a housing that supports the lateral surfaces of the first lens-barrel and the second lens-barrel such that a lens-barrel body is mounted slidably on the housing in the light axis direction of the lens, the lens barrel body being the first lens-barrel and the second lens-barrel connected via the electromechanical conversion element therebetween, wherein the electromechanical conversion element generates deformation which results in displacement in the light axis direction of the lens by applying a drive voltage, and wherein the first lens-barrel generates an inertia force IF the second lens-barrel generates an inertia force IF the lens-barrel body is driven to one side in the light axis direction of the lens, the lens-barrel body is driven to the other side in the light axis direction of the lens,