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Magnetic shield structure for speaker and electronic device including the same

專利號
US11159891B2
公開日期
2021-10-26
申請人
Samsung Electronics Co., Ltd.（KR Suwon-si）
發(fā)明人
Jungho Kim; Minsoo Kim; Jinwan An
IPC分類
H04R1/02; H04R9/06; H04R9/02; H04R7/16; H04R7/04
技術(shù)領(lǐng)域
speaker,shield,may,electronic,magnetic,or,plate,magnet,be,in
地域： Gyeonggi-do

摘要

Provided is an electronic device. The electronic device may include: a housing including a front plate, a rear plate facing away from the front plate, and a side member surrounding a first space between the front plate and the rear plate; a display panel exposed to an exterior of the electronic device through the front plate and configured to detect a pen input using a magnetic field; a speaker structure disposed between the display panel and the rear plate, and including a first surface facing the display panel, a second surface facing in a direction opposite the display panel, a side surface surrounding a second space between the first surface and the second surface, and a yoke facing the first surface; and a first shield structure made of a ferromagnetic material and disposed on the first surface.

說明書

The coil 554 is mounted inside the speaker housing and may be disposed between the first magnet 552 and the second magnet 553. The coil 554 may be a voice coil. The coil 554 may generate a magnetic force when a current is applied.

The coil 554 may be moved back and forth (vibrated) by changes in the magnetic force between the first magnet 552 and the second magnet 553. In an embodiment, the diaphragm 555 may be coupled to the coil 554. The diaphragm 555 may generate a sound due to the vibration of the coil 554. The front sound generated by the diaphragm 555 may move toward the rear plate 540, hit the inner wall of the speaker box 551, and then move along a passage of the speaker box 551. The passage of the speaker box 551 may lead to the discharge hole 501c. The front sound generated by the diaphragm 555 thus may be emitted to the exterior of the side bezel structure 501b via the passage through the discharge hole 501c.

In an embodiment, the rear sound generated by the diaphragm 555 may move along the opening of the speaker yoke 507.

權(quán)利要求

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