Patent ID: 7794162

Claim:
A mechanical shutter for a camera module, comprising: a base defining: an aperture for permitting light into the camera module, a receiving space coaxial to the aperture for receiving one or more electromagnets, and one or more gaps surrounding the receiving space; two fixing posts disposed in each of the one or more gaps; one or more shutter blades, each comprising: a light shielding portion capable of moving across the aperture by rotating about a shaft formed on the base, a securing portion secured on the base and sandwiched between the two fixing posts of one of the one or more gaps, and an elastic portion connecting the light shielding portion and the securing portion; one or more permanent magnets secured on the one or more light shielding portions and sleeved around the one or more shafts respectively; and one or more electromagnets capable of providing magnetic force to rotate the one or more permanent magnets.