发明名称 |
SOUNDER FOR MOBILE APPARATUS |
摘要 |
A sounder for use in mobile apparatus comprising an electronic signal generator and a electroacoustic transducer to generate an audible sound, wherein the sound comprises continuous repetitions of a pre-determined section of substantially broadband sound.
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申请公布号 |
US2013156244(A1) |
申请公布日期 |
2013.06.20 |
申请号 |
US201013819216 |
申请日期 |
2010.08.26 |
申请人 |
HANSON-ABBOTT CHRISTOPHER;LEVENTHALL HUBERT GEOFFREY;SANDS KELLY;BRIGADE ELECTRONICS PLC |
发明人 |
HANSON-ABBOTT CHRISTOPHER;LEVENTHALL HUBERT GEOFFREY;SANDS KELLY |
分类号 |
H04R1/02 |
主分类号 |
H04R1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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