Invention Application
- Patent Title: 非封闭式耳塞型耳机及其受话端语音增强装置及方法
- Patent Title (English): Nonenveloped earplug type earphone, device and method for enhancing sound at its earpiece
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Application No.: PCT/CN2010/079851Application Date: 2010-12-16
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Publication No.: WO2011079722A1Publication Date: 2011-07-07
- Inventor: 赵剑 , 刘崧
- Applicant: 歌尔声学股份有限公司 , 赵剑 , 刘崧
- Applicant Address: 中国山东省潍坊市高新技术产业开发区东方路268号, Shandong 261031 CN
- Assignee: 歌尔声学股份有限公司,赵剑,刘崧
- Current Assignee: 歌尔声学股份有限公司,赵剑,刘崧
- Current Assignee Address: 中国山东省潍坊市高新技术产业开发区东方路268号, Shandong 261031 CN
- Agency: 北京鸿元知识产权代理有限公司
- Priority: CN200910266020.2 20091231
- Main IPC: H04R3/02
- IPC: H04R3/02
Information query
