发明名称 |
Infrared radiation bi-level electric control |
摘要 |
An electric switch for controlling a light has an infrared radiation detector. In response to a change in the radiation being sensed by the detector, the light is illuminated to a first brightness level. A manual switch is provided to turn on the light to a second brightness level.
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申请公布号 |
US4647788(A) |
申请公布日期 |
1987.03.03 |
申请号 |
US19850702418 |
申请日期 |
1985.02.15 |
申请人 |
RCA CORPORATION |
发明人 |
MAILE, DONALD W.;KELL, FURMAN D. |
分类号 |
G08B13/19;H03K17/94;H05B37/02;(IPC1-7):H01H35/00 |
主分类号 |
G08B13/19 |
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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