US 9,813,819 B2
Speaker
Rui Zhang, Shenzhen (CN); and Long Zhang, Shenzhen (CN)
Assigned to AAC TECHNOLOGIES PTE. LTD., Singapore (SG)
Filed by Rui Zhang, Shenzhen (CN); and Long Zhang, Shenzhen (CN)
Filed on Mar. 24, 2016, as Appl. No. 15/80,364.
Claims priority of application No. 2015 2 0546204 U (CN), filed on Jul. 24, 2015.
Prior Publication US 2017/0026756 A1, Jan. 26, 2017
Int. Cl. H04R 11/02 (2006.01); H04R 9/04 (2006.01); H04R 9/06 (2006.01); H04R 1/28 (2006.01); H04S 7/00 (2006.01)
CPC H04R 9/045 (2013.01) [H04R 1/2803 (2013.01); H04R 9/06 (2013.01); H04S 7/00 (2013.01); H04R 2499/11 (2013.01); H04S 2420/01 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A speaker, comprising:
a membrane comprising a main body and a periphery portion surrounding the main body;
a voice coil connected to the membrane; and
a vibration part attached on the membrane;
wherein one of the vibration part and the main body comprises a protrusion protruding away from the voice coil, and the other one of the vibration part and the main body comprises a recess portion recessed towards the voice coil and corresponding to the protrusion; wherein the vibration part is attached on a bottom surface of the membrane; and the protrusion is formed at the main body of the membrane, and the recess portion is formed at the vibration part.