Patent ID: 8433188
Filing Date: 2013-04-30
Classification: G03B,H02N,H04N

Abstract:
1. An actuator comprising: a base; a stationary frame being substantially a cuboid and mounted on the base, the stationary frame 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 being substantially a cuboid and 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, and the second side surface facing the second sidewall; a shaft mounted on the first side surface of the moveable frame; a flexible printed circuit mounted on the first sidewall of the stationary frame facing the shaft; a piezoelectric motor mounted on the flexible printed circuit and engaging with the shaft; a first guide pole extending through the moveable frame, one end of the first guide pole fixed on the base, the other end of the first guide pole fixed on the stationary frame; and a second guide pole extending through the moveable frame, the second guide pole being spaced from and parallel to the first guide pole, one end of the second guide pole fixed on the base, the other end of the second guide pole fixed on the stationary frame.