发明名称 EARPHONE DEVICE WITH A FUNCION OF SOUND QUALITY REGULATION AND REGULATING METHOD THEREOF
摘要 An earphone device with a function of sound quality regulation is provided. The earphone includes a housing, a cover, a speaker and a regulating device. The housing has an accommodating space for receiving the speaker and a plurality of regulating holes for connecting the accommodating space to the outside. One end of the regulating device is fixed on the cover. A blocking portion, which is disposed on the other end of the regulating device and extends into the accommodating space, can partially or completely block the regulating holes when the cover is turned, thereby regulating the leakage between the accommodating space and the outside to achieve different output sound quality.
申请公布号 US2011305360(A1) 申请公布日期 2011.12.15
申请号 US20100815127 申请日期 2010.06.14
申请人 TUNG CHIU-YUN;LIANG HUI-YIN;CHANG CHING-WEN;MERRY ELECTRONICS CO., LTD. 发明人 TUNG CHIU-YUN;LIANG HUI-YIN;CHANG CHING-WEN
分类号 H04R25/00 主分类号 H04R25/00
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