Title:
VIBRATION SOUND PRODUCTION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2024/045238
Kind Code:
A1
Abstract:
Embodiments of the present invention provide a vibration sound production apparatus, comprising a housing, a sound production unit, and a motor vibration system. The motor vibration system comprises a vibration unit provided with a coil, and an elastic member; the sound production unit comprises a frame, a vibration system, a magnetic circuit system, and a front cover; the vibration system comprises a first vibration system and a second vibration system; the first vibration system surrounds the second vibration system and is coaxial with the second vibration system; the first vibration system comprises a first vibration diaphragm and a first voice coil; the second vibration system comprises a second vibration diaphragm and a second voice coil; the magnetic circuit system is fixed to the housing; and the magnetic circuit system is provided with a first magnetic gap and a second magnetic gap which are arranged at an interval; the first voice coil is inserted into the first magnetic gap and drives the first vibration diaphragm to vibrate and emit low pitch; and the second voice coil is inserted into the second magnetic gap and drives the second vibration diaphragm to vibrate and emit high pitch. The vibration sound production apparatus of the present invention has a small overall thickness, a small size, and excellent acoustic performance.
Inventors:
REN ZHANG (CN)
LINGHU RONGLIN (CN)
SONG WEI (CN)
LINGHU RONGLIN (CN)
SONG WEI (CN)
Application Number:
PCT/CN2022/120292
Publication Date:
March 07, 2024
Filing Date:
September 21, 2022
Export Citation:
Assignee:
AAC MICROTECH CHANGZHOU CO LTD (CN)
International Classes:
H04R9/06; H04R9/02
Foreign References:
| CN111935591A | 2020-11-13 | |||
| CN216960176U | 2022-07-12 | |||
| CN214381369U | 2021-10-08 | |||
| CN211959521U | 2020-11-17 | |||
| CN212812019U | 2021-03-26 | |||
| CN110972041A | 2020-04-07 | |||
| US20160014485A1 | 2016-01-14 |
Attorney, Agent or Firm:
SHENZHEN JUNXINCHENG INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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