US 12,133,046 B2
Speaker module and electronic device including the same
Hunki Lee, Suwon-si (KR); Joonrae Cho, Suwon-si (KR); Kiwon Kim, Suwon-si (KR); Myeungseon Kim, Suwon-si (KR); Choonghyo Park, Suwon-si (KR); Seongkwan Yang, Suwon-si (KR); Myungcheol Lee, Suwon-si (KR); Byounghee Lee, Suwon-si (KR); and Woojin Cho, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Jun. 16, 2022, as Appl. No. 17/842,107.
Application 17/842,107 is a continuation of application No. PCT/KR2022/008008, filed on Jun. 7, 2022.
Claims priority of application No. 10-2021-0073342 (KR), filed on Jun. 7, 2021.
Prior Publication US 2022/0394374 A1, Dec. 8, 2022
Int. Cl. H04R 1/28 (2006.01); H04R 1/02 (2006.01)
CPC H04R 1/288 (2013.01) [H04R 1/023 (2013.01); H04R 1/025 (2013.01); H04R 1/028 (2013.01); H04R 1/2826 (2013.01); H04R 2499/11 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An electronic device comprising:
a speaker,
wherein the speaker comprises:
an enclosure comprising a first housing and a second housing,
a speaker driver included in the first housing, and
a mesh structure separating the first housing and the second housing,
wherein the second housing comprises:
an adsorption cavity forming a back volume of the speaker driver,
a variable structure included in at least a part of the second housing,
a hole for injecting an adsorptive filler into the adsorption cavity,
a plug combined with the hole and preventing the adsorptive filler from leaking, and
a housing cover coupled to the variable structure,
wherein the adsorption cavity is filled with the adsorptive filler,
wherein vibration of air is delivered to the adsorption cavity through the mesh structure,
wherein when the housing is coupled to the variable structure, a volume of the adsorption cavity is reduced, and
wherein the variable structure includes a flexible material.