Patent ID: 9190891
Filing Date: 2015-11-17
Classification: G02B,H02K,H04N

Abstract:
1. A voice coil motor comprising: a base; a housing disposed on the base and including four grooves; four magnets disposed on four grooves of the housing; a bobbin including an opening at an upper surface; a coil arranged at a periphery of the bobbin and facing the magnet; an upper elastic member supporting an upper portion of the bobbin; a lower elastic member supporting a lower portion of the bobbin and including a first spring and a second spring; and a yoke covering the housing, and including an upper plate and four lateral plates extended from an edge portion of the upper plate towards the base, wherein one end of the coil is connected to the first spring and the other end of the coil is connected to the second spring, and wherein each of the magnets is arranged at each of an inner surface of the four lateral plates of the yoke.