Patent ID: 9435981
Filing Date: 2016-09-06
CPC Classification: G02B

Claim Text:
1. An apparatus, comprising: one or more optical elements; a first actuator, comprising a first permanent magnet, configured to drive the one or more optical elements from a rest position across a first displacement, and configured to drive the one or more optical elements from the rest position across a second displacement, different from the first displacement; and a second actuator, comprising a second permanent magnet different from the first permanent magnet, configured to assist the first actuator in controlling movement of the one or more optical elements across a portion, and not all, of the first displacement, and configured to assist the first actuator in controlling movement of the one or more optical elements across a portion, and not all, of the second displacement, wherein the first actuator and the first permanent magnet are separate and distinct from the second actuator and the second permanent magnet.