Title:
COAXIAL LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2024/044922
Kind Code:
A1
Abstract:
Provided is a coaxial loudspeaker. The coaxial loudspeaker comprises a basket frame, a magnetic circuit system fixed below the basket frame, a first vibration system fixed inside the basket frame, and a second vibration system fixed outside the basket frame, wherein the first vibration system and the second vibration system are coaxially arranged; the first vibration system comprises a first diaphragm and a first voice coil; and the second vibration system comprises a second diaphragm and a second voice coil. The coaxial loudspeaker further comprises a first circuit board electrically connected to the first voice coil, an insert supporting the first circuit board, and a first terminal embedded in the insert and connecting the first circuit board to an external circuit, the first circuit board abutting against a surface of the first voice coil away from the first diaphragm. According to the coaxial loudspeaker, the low pitch and the high pitch form a coaxial full-band loudspeaker, the high-quality sound effect is provided, the amplitude of the first voice coil can be increased by the arrangement of the first circuit board, and the coaxial loudspeaker can also achieve the function of a receiver.
Inventors:
REN ZHANG (CN)
ZHONG ZHI WEI (CN)
ZHONG ZHI WEI (CN)
Application Number:
PCT/CN2022/115649
Publication Date:
March 07, 2024
Filing Date:
August 30, 2022
Export Citation:
Assignee:
AAC MICROTECH CHANGZHOU CO LTD (CN)
International Classes:
H04R1/22; H04R9/02; H04R9/06
Domestic Patent References:
| WO2022121740A1 | 2022-06-16 |
Foreign References:
| CN114390407A | 2022-04-22 | |||
| JP2000069586A | 2000-03-03 | |||
| JP2000138996A | 2000-05-16 | |||
| JP2020150472A | 2020-09-17 | |||
| CN113691912A | 2021-11-23 | |||
| CN113596686A | 2021-11-02 | |||
| US20170359647A1 | 2017-12-14 |
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