Patent ID: 8488957

Claim:
An actuator comprising: a base; a stationary frame mounted on the base and comprising a first sidewall and a second sidewall substantially parallel to the first sidewall; a moveable frame received in the stationary frame and supported on the base, the moveable frame comprising a first side surface and a second side surface substantially parallel to the first side surface, the first side surface facing the first sidewall, the second side surface facing the second sidewall; a shaft mounted on the first side surface of the moveable frame; a magnet mounted on the first side surface of the moveable frame and spaced apart from the shaft; a flexible printed circuit mounted on the first sidewall of the stationary frame in an unfolded state; a piezoelectric motor mounted on the flexible printed circuit and engaging with the shaft; and a position sensor mounted on the flexible printed circuit and spaced apart from the piezoelectric motor, the position sensor configured for detecting the location of the magnet.