发明名称 PHOTOELECTRIC SMOKE DETECTOR
摘要 PURPOSE:To improve sensitivity and prevent malfunctions by compareng the received light of the scattered light including stray light by smoke and stray light thereby detecting the smoke.
申请公布号 JPS5395683(A) 申请公布日期 1978.08.22
申请号 JP19770010946 申请日期 1977.01.31
申请人 MATSUSHITA ELECTRIC WORKS LTD 发明人 HARANO SHIGETO
分类号 G01N21/53;G08B17/107 主分类号 G01N21/53
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