| 发明名称 |
Infrared intrusion sensor with selectable radiation patterns |
| 摘要 |
A passive infrared intrusion detector is provided with a lens having selectable patterns of sensitivity. The lens unit can be mounted to the detector in two orientations to provide two different patterns of sensitivity.
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| 申请公布号 |
US4451734(A) |
申请公布日期 |
1984.05.29 |
| 申请号 |
US19820379139 |
申请日期 |
1982.05.17 |
| 申请人 |
CERBERUS AG |
发明人 |
ST. JEAN, HERBERT N.;SETTANNI, RICHARD |
| 分类号 |
G01J5/02;G01J5/34;G08B13/18;G08B13/19;G08B13/193;(IPC1-7):G01J5/08 |
主分类号 |
G01J5/02 |
| 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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