发明名称 |
BALLAST CIRCUIT WITH INDEPENDENT LAMP CONTROL |
摘要 |
A ballast circuit independently energizes first and second lamps. In one embodiment, an inverter provides a drive signal for energizing the first and second lamps. A first signal detection circuit detects a first AC input signal and a second signal detection circuit detects a second AC input signal, each of which energizes a respective one of first and second lamps. A first lamp control circuit receives a signal from the first signal detector such that the first lamp is energized by the drive signal when the first AC input signal is present. Similarly, a second lamp control circuit receives a signal from the second signal detector such that the second lamp is energized by the drive signal when the second AC input signal is present.
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申请公布号 |
WO0024231(A1) |
申请公布日期 |
2000.04.27 |
申请号 |
WO1999US23402 |
申请日期 |
1999.10.08 |
申请人 |
ELECTRO-MAG INTERNATIONAL, INC. |
发明人 |
MOISIN, MIHAIL, S. |
分类号 |
H02J9/02;H05B41/36;(IPC1-7):H05B41/24;H05B37/02 |
主分类号 |
H02J9/02 |
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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