Patent ID: 8147151

Claim:
A shutter device, comprising: a support comprising a base, three protrusions, and a buffer, the base being substantially square-shaped and comprising a supporting surface, a first side, a second side, a third side parallel to the first side, and a fourth side parallel to the second side, the base defining a first aperture therein, a recess adjacent to the first side, and a slot communicating the recess and the first aperture, the protrusions extending from the supporting surface and positioned at three corners of the base, the buffer fixed on a bottom surface in the recess and suspended in the slot; a rotating member positioned at the remaining corner of the base and comprising a post fixedly mounted on the base; a coil connected to the post and rotatable around the post; a shutter blade coupled to the post and jointly rotatable with the coil; and a first magnetic member and a second magnetic member mounted on the base and arranged on two sides of the coil, the first and second magnetic members configured for driving the coil to rotate, thereby moving the shutter blade to selectively expose or cover the first aperture.