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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|