US 12,262,188 B2
Bone conduction loudspeaker
Zhiyu Zhang, Frisco, TX (US)
Assigned to Million Fame Technology Limited, (CN)
Filed by Million Fame Technology Limited, Guangdong (CN)
Filed on Sep. 15, 2022, as Appl. No. 17/945,804.
Prior Publication US 2024/0098422 A1, Mar. 21, 2024
Int. Cl. H04R 9/06 (2006.01); H04R 1/02 (2006.01)
CPC H04R 9/06 (2013.01) [H04R 1/02 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A bone conduction loudspeaker, comprising a conductive case, a sound control plate provided at one end of the conductive case and contacting with the conductive case, and an accommodating space surround by the conductive case and the sound control plate; wherein the accommodating space is configured to accommodate a coil for generating a magnetic field; a magnetic circuit is formed by a magnetic assembly, the conductive case and the sound control plate; and the conductive case and the sound control plate are respectively made of electroacoustic materials with different thicknesses.