Patent ID: 7076079
Filing Date: 2006-07-11
Classification: B06B,H04R

Abstract:
1. A multi-functional actuator comprising: a housing having an internal space and a groove in the inner side; a sound-generating diaphragm with an outer end fixed to the upper end of said housing; a voice coil fixed to the bottom of said diaphragm; a vertically magnetized magnet; an upper plate attached to said magnet for forming a magnet circuit; a yoke for forming the magnetic circuit together with said magnet; a weight for defining a vibration body together with said yoke; a leaf spring fixed into said grooves of the housing and having a portion of curvature which is a bending portion radially bent in an outer circumferential portion of said leaf spring; and a vibrating coil installed in said housing for generating vibration using a magnetic flux formed in a magnetic system.