Invention Grant
- Patent Title: Earphone
- Patent Title (中): 耳机
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Application No.: US13974059Application Date: 2013-08-23
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Publication No.: US08873791B2Publication Date: 2014-10-28
- Inventor: Bill Yang
- Applicant: Bill Yang
- Applicant Address: TW Taipei
- Assignee: Cotron Corporation
- Current Assignee: Cotron Corporation
- Current Assignee Address: TW Taipei
- Agency: Jianq Chyun IP Office
- Priority: TW102105329A 20130208
- Main IPC: H04R25/00
- IPC: H04R25/00

Abstract:
An earphone including a housing, a speaker, a plurality of porous materials and a tuning mechanism is provided. The housing has a containing space, a sound-output opening and a plurality of tuning holes, wherein the containing space communicates with outside of the housing through the tuning holes. Areas of the tuning holes are substantially the same. The speaker is disposed at the sound-output opening and located in the containing space. The air permeability of each porous material are different, and the porous materials cover the tuning holes correspondingly. The tuning mechanism is disposed at the housing and shields at least one of the tuning holes selectively.
Public/Granted literature
- US20140226847A1 EARPHONE Public/Granted day:2014-08-14
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