US Patent No. 10,993,031

TRANSDUCER VIBRATING DIAPHRAGM STRUCTURE, FLAT PANEL SPEAKER AND EARPHONE THEREWITH


Patent No. 10,993,031
Issue Date April 27, 2021
Title Transducer Vibrating Diaphragm Structure, Flat Panel Speaker And Earphone Therewith
Inventorship Fang Bian, Tianjin (CN)

Claim of US Patent No. 10,993,031

1. A transducer vibrating diaphragm structure, comprising:a diaphragm comprising a first surface and a second surface opposite the first surface, wherein a first coil circuit is provided on the first surface of the diaphragm via vapor deposition or liquid deposition, wherein the first coil circuit is formed of a conductive material, wherein a total area of the diaphragm is less than or equal to 120 square millimeters, and wherein a sensitivity of the diaphragm is greater than 105 dB;
a first frame and a second frame disposed at two sides of the diaphragm corresponding to the first surface and the second surface, respectively, wherein a periphery of the diaphragm is coupled to the first frame and the second frame; and
a first magnetic element and a second magnetic element disposed to correspond to the first surface and the second surface, respectively, wherein the first magnetic element and the second magnetic are provided on a third frame and a fourth frame, respectively.