| 发明名称 |
PHOTOELECTRIC TYPE SMOKE DETECTOR |
| 摘要 |
PURPOSE:To provide a means capable of positively and readily perform operation checking by refracting the projection light from a light emitting element by the entry of smoke, receiving said light and driving a sounding device through signal processing. |
| 申请公布号 |
JPS53123985(A) |
申请公布日期 |
1978.10.28 |
| 申请号 |
JP19770039112 |
申请日期 |
1977.04.05 |
| 申请人 |
MATSUSHITA ELECTRIC WORKS LTD |
发明人 |
SUZUKI YOSHINORI;NAKANO TAKESHI;KATAZUKI KUNIHARU;KAHARA TOORU |
| 分类号 |
G01N21/53;G01N21/47;G08B17/10;G08B17/107 |
主分类号 |
G01N21/53 |
| 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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