US 12,075,228 B2
Speaker with improved BL characteristics and electronic device including the same
Seongkwan Yang, Suwon-si (KR); Kiwon Kim, Suwon-si (KR); Joonrae Cho, Suwon-si (KR); and Myeungseon Kim, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Nov. 8, 2021, as Appl. No. 17/521,191.
Application 17/521,191 is a continuation of application No. PCT/KR2021/015790, filed on Nov. 3, 2021.
Claims priority of application No. 10-2021-0013992 (KR), filed on Feb. 1, 2021; and application No. 10-2021-0058446 (KR), filed on May 6, 2021.
Prior Publication US 2022/0248141 A1, Aug. 4, 2022
Int. Cl. H04R 9/06 (2006.01); H04R 1/02 (2006.01); H04R 7/12 (2006.01); H04R 7/18 (2006.01); H04R 9/02 (2006.01); H04R 9/04 (2006.01)
CPC H04R 9/06 (2013.01) [H04R 1/028 (2013.01); H04R 7/12 (2013.01); H04R 7/18 (2013.01); H04R 9/025 (2013.01); H04R 9/045 (2013.01); H04R 2400/11 (2013.01); H04R 2499/11 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An electronic device comprising:
a housing including a first surface, a second surface facing in an opposite direction to the first surface, and a side surface at least partially surrounding a space between the first surface and the second surface; and
at least one speaker disposed inside the housing between the first surface and the second surface,
wherein the speaker comprises:
a diaphragm including a height adjuster protruding on the one surface of the diaphragm, and a bent groove sunken on the other surface of the diaphragm at a position corresponding to the height adjuster,
a yoke disposed to face the diaphragm and including an avoidance groove formed on a surface thereof facing the diaphragm,
a coil mounted to the height adjuster on the one surface of the diaphragm and disposed between the diaphragm and the yoke, and
a first magnet mounted to the yoke and disposed to be surrounded by at least part of the coil or a second magnet disposed to surround at least part of the coil,
wherein the coil has a smaller width on a surface thereof facing the yoke than the avoidance groove,
wherein the coil is disposed to make the surface thereof facing the yoke correspond to the avoidance groove, and
wherein the coil is configured to linearly reciprocate the diaphragm by receiving an electric signal.