- 专利标题: PASSIVE AND ACTIVE VIRTUAL HEIGHT FILTER SYSTEMS FOR UPWARD FIRING DRIVERS
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申请号: EP15729028.9申请日: 2015-06-02
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公开(公告)号: EP3152919B1公开(公告)日: 2020-02-19
- 发明人: SMITHERS, Michael , CROCKETT, Brett G. , SEEFELDT, Alan J. , BROWN, C. Phillip
- 申请人: Dolby Laboratories Licensing Corporation
- 申请人地址: 1275 Market Street San Francisco, CA 94103 US
- 专利权人: Dolby Laboratories Licensing Corporation
- 当前专利权人: Dolby Laboratories Licensing Corporation
- 当前专利权人地址: 1275 Market Street San Francisco, CA 94103 US
- 代理机构: Dolby International AB Patent Group Europe
- 优先权: US201462007354P 20140603; US201562163502P 20150519
- 国际公布: WO2015187715 20151210
- 主分类号: H04R1/26
- IPC分类号: H04R1/26 ; H04R3/12 ; H04R3/14 ; H04R5/02 ; H04S7/00
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