Title:
EARPHONE
Document Type and Number:
WIPO Patent Application WO/2017/075985
Kind Code:
A1
Abstract:
The present invention provides an earphone. The earphone comprises an earphone casing, a loudspeaker cover connected to the earphone casing in a fitted manner, a sound outlet cylinder disposed at the outer side of the loudspeaker cover, and a loudspeaker accommodated in a cavity formed by the earphone casing and the loudspeaker cover. The earphone is characterized by further comprising a sound adjustment baffle disposed at the inner side of the loudspeaker cover; the loudspeaker cover is provided with a sound outlet hole, a sound discharging hole and gear clamping grooves, and the sound outlet cylinder is connected to the sound adjustment baffle by means of the sound outlet hole; the sound adjustment baffle is provided with a gear protrusion and a sound adjustment hole, and the gear protrusion is clamped in the gear clamping groove; and the sound outlet cylinder drives the sound adjustment baffle to rotate, so that the gear protrusion is clamped in different gear clamping grooves, so as to adjust the sound outlet area of the sound discharging hole. By using the present invention, middle and low frequency responses in the earphone can be adjusted, so that the same earphone presents different sound characteristics.
Inventors:
GUO TONGHUI (CN)
CHEN QIGAO (CN)
XU JIANGTAO (CN)
CHEN QIGAO (CN)
XU JIANGTAO (CN)
Application Number:
PCT/CN2016/084231
Publication Date:
May 11, 2017
Filing Date:
June 01, 2016
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R1/10
Foreign References:
| CN205123957U | 2016-03-30 | |||
| CN203851264U | 2014-09-24 | |||
| CN104185102A | 2014-12-03 | |||
| US20080013773A1 | 2008-01-17 | |||
| CN203840497U | 2014-09-17 |
Attorney, Agent or Firm:
BEIJING GRANDER IP LAW FIRM (CN)
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