# US 2025/0098129 A1 · Speaker module having magnetic field shielding structure and electronic device including same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0098129 A1 - Document ID: US20250098129A1 - Status: Published application - Kind: A1 - Application number: 18/970,131 - Filed: 2024-12-05 - Published: 2025-03-20 - Earliest claimed: 2022-07-06 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Sangmin YE; Byunggun CHOI; Kwanhee HAN - Web page: https://patentgrep.com/patent/US20250098129A1 ## CPC - H05K 9/0075: {Magnetic shielding materials} - G06F 1/16: Constructional details or arrangements - H04R 1/025: {Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture} - H04R 1/028: {associated with devices performing functions other than acoustics, e.g. electric candles} - H04R 9/025: {Magnetic circuit} - H04R 9/06: Loudspeakers - H04R 2209/022: Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils - H04R 2499/11: Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's - H04R 2499/15: Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) ## Abstract A speaker module includes a speaker housing including a first speaker housing defining at least one first surface of the speaker module and a second speaker housing defining at least one second surface of the speaker module that is opposite to the least one first surface, a speaker assembly including a voice coil and a vibration member, the speaker assembly being accommodated in an interior of the speaker housing, a back volume in an interior of the speaker housing and defined by the first speaker housing and the second speaker housing, and a side surface shield member between an inner surface of the speaker assembly and the back volume, the side surface shield member including a ferrite-based magnetic substance, where at least one vent hole communicating the speaker assembly and the back volume is in the side surface shield member. ## Claims ### Claim 1 A speaker module comprising: a speaker housing comprising a first speaker housing defining at least one first surface of the speaker module and a second speaker housing defining at least one second surface of the speaker module that is opposite to the least one first surface; a speaker assembly comprising a voice coil and a vibration member, the speaker assembly being accommodated in an interior of the speaker housing; a back volume in an interior of the speaker housing and defined by the first speaker housing and the second speaker housing; and a side surface shield member between an inner surface of the speaker assembly and the back volume, the side surface shield member comprising a ferrite-based magnetic substance, wherein at least one vent hole communicating the speaker assembly and the back volume is in the side surface shield member. ### Claim 2 (depends on 1) The speaker module of claim 1, wherein a first end of the side surface shield member contacts the first speaker housing or the second speaker housing, and wherein a second end of the side surface shield member protrudes toward the interior of the speaker housing, the second end being opposite to the first end. ### Claim 3 (depends on 2) The speaker module of claim 2, further comprising: an upper shield member connected to the second end of the side surface shield member, and between an upper surface of the speaker assembly and the back volume. ### Claim 4 (depends on 3) The speaker module of claim 3, wherein the upper shield member is spaced apart from an upper end surface of the speaker assembly by a predetermined interval. ### Claim 5 (depends on 3) The speaker module of claim 3, further comprising: a first sound output opening in an area corresponding to the first speaker housing; and a second sound output opening in an area corresponding to the upper shield member, the second sound output opening communicating the speaker assembly and the first sound output opening, wherein a sound signal generated by the speaker assembly is radiated to an outside via the second sound output opening and the first sound output opening. ### Claim 6 (depends on 3) The speaker module of claim 3, wherein the side surface shield member comprises at least one of a first shield wall between a first side surface of the speaker assembly and the speaker housing, a second shield wall between a second side surface of the speaker assembly that is opposite to the first side surface and the speaker housing, a third shield wall between a third side surface of the speaker assembly that is connected from one end of the first side surface to one end of the second side surface and the speaker housing, and a fourth shield wall between a fourth side surface of the speaker assembly that is opposite to the third side surface and the speaker housing, and wherein the at least one vent hole is in at least one of the first shield wall, the second shield wall, the third shield wall, and the fourth shield wall. ### Claim 7 (depends on 6) The speaker module of claim 6, wherein at least one of the first shield wall, the second shield wall, the third shield wall, and the fourth shield wall comprises: a reference portion having a first height being smaller than a height of the speaker assembly; and an expansion portion on the reference portion, wherein the reference portion and the expansion portion together have a second height that is greater than or equal to the height of the speaker assembly, and wherein at least one vent hole is in the expansion portion. ### Claim 8 (depends on 7) The speaker module of claim 7, wherein at least one vent hole is in the reference portion. ### Claim 9 (depends on 3) The speaker module of claim 3, wherein the upper shield member comprises the ferrite-based magnetic substance. ### Claim 10 (depends on 1) The speaker module of claim 1, wherein the side surface shield member is spaced apart from the inner surface of the speaker assembly by a predetermined interval. ### Claim 11 An electronic device comprising: a housing; a main board inside the housing; and a speaker module on the main board, wherein the speaker module comprises: a speaker housing comprising a first speaker housing defining at least one first surface of the speaker module and a second speaker housing defining at least one second surface of the speaker module that is opposite to the at least one first surface; a speaker assembly comprising a voice coil and a vibration member, the speaker assembly being accommodated in an interior of the speaker housing; a back volume in an interior of the speaker housing and defined by the first speaker housing and the second speaker housing; and a side surface shield member between an inner surface of the speaker assembly and the back volume, the side surface shield member comprising a ferrite-based magnetic substance, and wherein at least one vent hole communicating the speaker assembly and the back volume is in the side surface shield member. ### Claim 12 (depends on 11) The electronic device of claim 11, wherein a first end of the side surface shield member contacts the first speaker housing or the second speaker housing, and wherein a second end of the side surface shield member protrudes toward the interior of the speaker housing, the second end being opposite to the first end. ### Claim 13 (depends on 12) The electronic device of claim 12, further comprising: an upper shield member connected to the second end of the side surface shield member, and between an upper surface of the speaker assembly and the back volume. ### Claim 14 (depends on 13) The electronic device of claim 13, wherein a first sound output opening is in an area of the first speaker housing, and wherein a speaker hole communicated with the first sound output opening is in the housing. ### Claim 15 (depends on 14) The electronic device of claim 14, wherein a second sound output opening communicating the speaker assembly and the first sound output opening is in an area of the upper shield member. ### Claim 16 (depends on 13) The electronic device of claim 13, wherein the upper shield member comprises the ferrite-based magnetic substance. ### Claim 17 (depends on 11) The electronic device of claim 11, wherein the side surface shield member comprises at least one of a first shield wall between a first side surface of the speaker assembly and the speaker housing, a second shield wall between a second side surface of the speaker assembly that is opposite to the first side surface and the speaker housing, a third shield wall between a third side surface of the speaker assembly that is connected from one end of the first side surface to one end of the second side surface and the speaker housing, and a fourth shield wall between a fourth side surface of the speaker assembly that is opposite to the third side surface and the speaker housing, and wherein the at least one vent hole is in at least one of the first shield wall, the second shield wall, the third shield wall, and the fourth shield wall. ### Claim 18 (depends on 17) The electronic device of claim 17, wherein the at least one vent hole is in the second shield wall and is spaced apart from at least one of a plurality of components mounted on the main board that generates a magnetic field. ### Claim 19 (depends on 17) The electronic device of claim 17, wherein at least one of the first shield wall, the second shield wall, the third shield wall and the fourth shield wall comprises: a reference portion having a first height being smaller than a height of the speaker assembly; and an expansion portion on the reference portion, wherein the reference portion and the expansion portion together have a second height that is greater than or equal to the height of the speaker assembly, and wherein at least one vent hole is in the expansion portion. ### Claim 20 (depends on 19) The electronic device of claim 19, wherein at least one vent hole is in the reference portion.