Patent ID: 7177539

Claim:
A camera lens positioning device comprising: a housing; a camera lens supporting member provided in the housing such that it can move in a direction away from a subject and a direction toward the subject; a member which applies force to the lens supporting member in either the direction away from the subject or the direction toward the subject; a first shape memory alloy which can move the lens supporting member in the direction opposite to the direction in which the force applying member applies force by applying force to the lens supporting member in an opposite direction; and a second shape memory alloy which extends in a direction that crosses the moving direction of the lens supporting member and can move a stopping member in the direction that crosses the moving direction of the lens supporting member, the device being configured to stop the lens supporting member between a first position away from the subject and a second position closer to the subject than the first position by inserting the stopping member in between the camera lens supporting member and the housing or by withdrawing the stopping member from between the camera lens supporting member and the housing.