Title:
LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2024/000681
Kind Code:
A1
Abstract:
Provided in the present utility model is a loudspeaker, which comprises a basket, a vibration system accommodated in the basket, a magnetic circuit system and a flexible printed circuit board, wherein the vibration system comprises a voice diaphragm and a voice coil for driving the voice diaphragm to vibrate so as to produce sound; the magnetic circuit system has first magnetic steel and second magnetic steel; the second magnetic steel is arranged on the periphery of the first magnetic steel, and forms a magnetic gap with the first magnetic steel; the voice coil is arranged in the magnetic gap; the flexible printed circuit board comprises an inner fixing portion, outer fixing portions, which are arranged on two sides of the inner fixing portion, and elastic arms, which connect the inner fixing portion to the outer fixing portions; the inner fixing portion is fixedly connected to the voice diaphragm; the outer fixing portions are fixedly connected to the basket; the flexible printed circuit board is arranged on an outer side of the voice coil; and the flexible printed circuit board does not overlap with the voice coil in the vibration direction of the voice diaphragm. The loudspeaker of the present utility model has better performance.
Inventors:
SHI YANG (CN)
XIN XINGXING (CN)
XIN XINGXING (CN)
Application Number:
PCT/CN2022/106640
Publication Date:
January 04, 2024
Filing Date:
July 20, 2022
Export Citation:
Assignee:
AAC MICROTECH CHANGZHOU CO LTD (CN)
International Classes:
H04R9/02; H04R9/06
Domestic Patent References:
| WO2021223263A1 | 2021-11-11 | |||
| WO2022126771A1 | 2022-06-23 |
Foreign References:
| CN205864733U | 2017-01-04 | |||
| CN216391402U | 2022-04-26 | |||
| CN216391401U | 2022-04-26 |
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