| 发明名称 |
LIGHT ATTENUATION TYPE SMOKE DETECTOR |
| 摘要 |
PURPOSE:To alarm the occurrence of smoke and the entry of foreign materials by dividing the light from a light emitting device to more than two beams with a suitable optical system and monitoring the output of a photo detector concerning each beam. |
| 申请公布号 |
JPS5296586(A) |
申请公布日期 |
1977.08.13 |
| 申请号 |
JP19760013494 |
申请日期 |
1976.02.09 |
| 申请人 |
MATSUSHITA ELECTRIC WORKS LTD |
发明人 |
KATAZUKI KUNIHARU;MORISUE KAZUNARI;MATSUMOTO SHIGERU |
| 分类号 |
G01N21/59;G01N21/53;G08B17/10;G08B17/103 |
主分类号 |
G01N21/59 |
| 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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