US 11,943,598 B2
Multi-input-driving loudspeaker
Jianming Zhou, Jiangsu (CN)
Assigned to Suzhou Sonavox Electronics Co., Ltd., Jiangsu (CN)
Appl. No. 17/619,219
Filed by SUZHOU SONAVOX ELECTRONICS CO., LTD., Jiangsu (CN)
PCT Filed Oct. 23, 2019, PCT No. PCT/CN2019/112641
§ 371(c)(1), (2) Date Dec. 14, 2021,
PCT Pub. No. WO2020/253006, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 201920932934.7 (CN), filed on Jun. 20, 2019.
Prior Publication US 2022/0240021 A1, Jul. 28, 2022
Int. Cl. H04R 9/06 (2006.01); H04R 1/02 (2006.01); H04R 3/12 (2006.01)
CPC H04R 9/063 (2013.01) [H04R 1/025 (2013.01); H04R 3/12 (2013.01); H04R 2201/401 (2013.01); H04R 2209/024 (2013.01); H04R 2400/11 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A multi-input-driving loudspeaker, comprising a frame, and a diaphragm arranged on the frame, wherein the loudspeaker further comprises a plurality of input driving mechanisms, each input driving mechanism comprises a voice coil and a magnetic circuit assembly for driving the voice coil to vibrate;
a plurality of magnetic circuit mounting holes are arranged on the frame, and at most one magnetic circuit assembly is arranged at each magnetic circuit mounting hole;
a plurality of voice coil mounting holes are arranged on the diaphragm, and at most one voice coil is provided at each voice coil mounting hole;
each of the input driving mechanisms further comprises a damper, and each of the voice coils is sleeved with one of the dampers, the frame has a plurality of flanges surrounding the magnetic circuit mounting holes, and each of the dampers and each of the flanges cooperate with each other so that each damper is embedded between an inner walls of the flange corresponding therewith;
wherein there are three or more of said input driving mechanisms, and the three or more input driving mechanisms are arranged at equal intervals along a circumference;
wherein the diaphragm has a diaphragm bottom that is circular as a whole and shaped as a flat plate, and a center of the circumference coincides with a center of the diaphragm bottom.