Tablet Woofer and Electronic Device Using Same

摘要

A tablet woofer and an electronic device using same. The woofer comprises a vibrating diaphragm, at least four mutually independent drive units, and a housing. The vibrating diaphragm is a rectangle shape, and comprises a rigid arc portion at the central position and a spiral curve portion at the periphery; the drive unit comprises a voice coil unit and a corresponding magnetic circuit unit, and four angles of the arc portion of the vibrating diaphragm are each combined with one voice coil unit; the housing is provided with mounting holes for accommodating and mounting the drive units, and sound holes penetrating through the mounting plane; the spiral curve portion of the vibrating diaphragm is fixedly connected to the periphery of the upper side of the housing.

主权项

1. A tablet woofer comprising a vibrating diaphragm, at least four driving units independent of each other and a housing, wherein,
the vibrating diaphragm has a rectangular shape comprising a rigid dome portion at the central position and a suspension ring portion at the edge position; the driving units comprise voice coil units and magnetic circuit units corresponding to the voice coil units; four voice coil units are bonded to four corners of the dome portion of the vibrating diaphragm respectively; mounting holes which accommodate and mount the driving units, and sound holes penetrating through a mounting plane are arranged on the housing; and the suspension ring portion of the vibrating diaphragm is fixed and coupled to a peripheral region of an upper lateral surface of the housing.