Title:
COAXIAL LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2024/000692
Kind Code:
A1
Abstract:
Provided in the present invention is a coaxial loudspeaker, which comprises a basket, a vibration system and a magnetic circuit system. The vibration system comprises a vibrating diaphragm and a voice coil. The magnetic circuit system is provided with a transmission cavity, an inner magnetic gap and an outer magnetic gap. The inner magnetic gap comprises a first magnetic gap and a second magnetic gap. The vibrating diaphragm comprises a first vibrating diaphragm, a second vibrating diaphragm, and a third vibrating diaphragm which vibrates in opposite phase to the first vibrating diaphragm, the first vibrating diaphragm and the third vibrating diaphragm sealing the transmission cavity. The voice coil comprises a first voice coil inserted into the first magnetic gap and driving the first vibrating diaphragm to vibrate, a second voice coil inserted into the external magnetic gap and driving the second vibrating diaphragm to vibrate, and a third voice coil inserted into the second magnetic gap and driving the third vibrating diaphragm to vibrate. The coaxial loudspeaker provided by the present invention can effectively reduce sound leakage of a front receiver during working and achieves a privacy call function.
Inventors:
REN ZHANG (CN)
ZHONG ZHIWEI (CN)
ZHONG ZHIWEI (CN)
Application Number:
PCT/CN2022/106757
Publication Date:
January 04, 2024
Filing Date:
July 20, 2022
Export Citation:
Assignee:
AAC MICROTECH CHANGZHOU CO LTD (CN)
International Classes:
H04R1/10
Domestic Patent References:
| WO2010007440A2 | 2010-01-21 |
Foreign References:
| CN207166758U | 2018-03-30 | |||
| CN111193985A | 2020-05-22 | |||
| CN112584284A | 2021-03-30 | |||
| CN112995825A | 2021-06-18 | |||
| CN211531293U | 2020-09-18 | |||
| CN215871825U | 2022-02-18 |
Attorney, Agent or Firm:
SHENZHEN SANYONG INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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