- 专利标题: LOUDSPEAKER-PURPOSE VIBRATING CONE AND LOUDSPEAKER
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申请号: EP19165061.3申请日: 2019-03-26
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公开(公告)号: EP3588977B1公开(公告)日: 2022-11-30
- 发明人: SUN, Kaifeng , LIU, Na , CHEN, Yi , YE, Xipeng
- 专利权人: Harman International Industries, Incorporated
- 当前专利权人: Harman International Industries, Incorporated
- 当前专利权人地址: 400 Atlantic Street, 15th Floor Stamford, CT 06901 US
- 代理机构: Westphal, Mussgnug & Partner, Patentanwälte mbB
- 优先权: CN201821018024 U 20180629
- 主分类号: H04R7/12
- IPC分类号: H04R7/12
公开/授权文献
- EP3588977A1 LOUDSPEAKER-PURPOSE VIBRATING CONE AND LOUDSPEAKER 公开/授权日:2020-01-01
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