ACTUATOR FOR CAMERA

摘要

An actuator for camera which drives a lens unit of a camera includes an outer frame, an inner frame which houses and holds the lens unit and is positioned inside the outer frame, a plurality of first supporting members which are provided between the outer frame and the inner frame and support the inner frame with respect to the outer frame so that the inner frame is displaceable in an optical axis direction of the lens unit, a first driving coil which is attached on an outer circumferential surface of the inner frame and drives the inner frame in the optical axis direction, and permanent magnets which are attached to the outer frame in a manner to be opposed to the first driving coil. The first supporting members are made of elastomer and have a shape of which a center line is a straight line which connects mutually opposed portions of the outer frame and the inner frame. An actuator for camera which is superior in productivity, reliability, and durability can be obtained.

主权项

1. An actuator for camera which drives a lens unit of a camera, the actuator for camera comprising:
an outer frame; an inner frame which houses and holds the lens unit and is positioned inside the outer frame; a plurality of first supporting members which are provided between the outer frame and the inner frame and support the inner frame with respect to the outer frame so that the inner frame is displaceable in an optical axis direction of the lens unit; a first driving coil which is attached on an outer circumferential surface of the inner frame and drives the inner frame in the optical axis direction; and permanent magnets which are attached to the outer frame in a manner to be opposed to the first driving coil; wherein the first supporting members are made of elastomer and have a shape of which a center line is a straight line which connects mutually opposed portions of the outer frame and the inner frame.