发明名称 |
Gaseous discharge lamp system with auxiliary lamp |
摘要 |
A lighting system having a primary light source and an emergency lamp. The emergency lamp is turned on and remains on upon failure or removal from the system of the primary light source. The system also includes a control device for sensing when the voltage across the primary light source rises above a predetermined level in determining when to turn on the emergency lamp.
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申请公布号 |
US5256946(A) |
申请公布日期 |
1993.10.26 |
申请号 |
US19920856771 |
申请日期 |
1992.03.24 |
申请人 |
NORTH AMERICAN PHILIPS CORPORATION |
发明人 |
GARBOWICZ, GLENN D.;DANIEL, EDMOND |
分类号 |
H05B37/03;H05B37/04;H05B41/46;(IPC1-7):H05B39/10 |
主分类号 |
H05B37/03 |
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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