| 发明名称 |
SOUNDING DEVICE |
| 摘要 |
<p>PURPOSE:To exactly and easily select the sounding the case of emergency, by generating in a peculiar cycle the sound by the coil for sounding by the simple switch operation.</p> |
| 申请公布号 |
JPS52127796(A) |
申请公布日期 |
1977.10.26 |
| 申请号 |
JP19760045027 |
申请日期 |
1976.04.20 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
KAWAMOTO AKITO;MIKI TOSHIO |
| 分类号 |
H04R3/00;G10K9/12;G10K15/04 |
主分类号 |
H04R3/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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