Title:
EARBUD
Document Type and Number:
WIPO Patent Application WO/2020/082767
Kind Code:
A1
Abstract:
Disclosed is an earbud, used for solving the technical problems of existing stereo earbuds of the design of the bass pipe being complicated and production cost being high. The earbud comprises: a housing provided with an acoustic cavity; a speaker which is arranged in the acoustic cavity and which divides the acoustic cavity into a front acoustic cavity and a rear acoustic cavity; and acoustic structure located in the rear acoustic cavity, the acoustic structure comprising a first sound guide wall and a cover plate; the first sound guide wall is attached to the bottom surface of the rear sound cavity and configured to form a sound guide groove with at least part of the inner wall of the housing; the cover plate is mounted at the groove opening part above the sound guide groove, such that the sound guide groove constitutes a bass pipe in communication from the rear acoustic cavity to at least one opening of the housing. The design of the bass pipe of the present invention is effectively simplified, reducing earbud production cost.
Inventors:
HU CAIYUN (CN)
WANG HONGMEI (CN)
ZHAO XIAOLI (CN)
XING KAIBO (CN)
CHEN HUIJIN (CN)
WANG HONGMEI (CN)
ZHAO XIAOLI (CN)
XING KAIBO (CN)
CHEN HUIJIN (CN)
Application Number:
PCT/CN2019/092615
Publication Date:
April 30, 2020
Filing Date:
June 25, 2019
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R1/10
Domestic Patent References:
| WO2016166785A1 | 2016-10-20 |
Foreign References:
| CN109618257A | 2019-04-12 | |||
| CN104244130A | 2014-12-24 | |||
| CN103475968A | 2013-12-25 | |||
| CN106954117A | 2017-07-14 | |||
| EP3264791A1 | 2018-01-03 |
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