Patent ID: 11947243
Assignee: CHANGZHOU AAC RAYTECH OPTRONICS CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 11:
12. A lens for a camera, including:
a first lens unit with a first edge having a first upper surface and a first lower surface opposite to the first upper surface;
a second lens unit with a second edge having a second upper surface facing the first lower surface and a second lower surface away from the first lower surface;
an elastic spacer sandwiched between the first lower surface of the first lens unit and the second upper surface of the second lens unit; and
a shape memory alloy wire determining a distance between the first and second lens units extending from the first upper surface to the second lower surface; wherein
the elastic spacer is configured to deform for performing auto-focus function when the distance between the first and second lens change.