Patent ID: 7961553
Filing Date: 2011-06-14
Classification: H04R

Abstract:
1. A sensory signal output apparatus, comprising: a coil generating a magnetic field in response to an alternating signal input to the coil; a magnetic circuit, including a magnet, a top plate and a yoke, to form an opening such that magnetic flux linkage is induced perpendicular to the coil; a casing receiving the magnetic circuit therein; a first vibration unit comprising the magnetic circuit and a first vibrating screen, the first vibration screen vibrating in response to said magnetic field depending on a direction of the input signal, the first vibrating screen made of a thin sheet and adhered or welded to an upper end of a ring-shaped protrusion of the yoke, wherein vibration of the first vibrating screen generates a first sensory signal; and a second vibration unit comprising the coil and a second vibrating screen, the second vibration unit moving in repulsion to the magnetic circuit, wherein vibration of the second vibrating screen generates a second sensory signal.