发明名称 |
SINGLE TRANSISTOR BALLAST WITH FILAMENT PREHEATING |
摘要 |
A ballast circuit for driving a gas discharge having a source of pulsating and rectified AC (20), an energy storage circuit (30), a switch (40) that can have one end connected to an energy storage inductor and an opposite end that can be connected to circuit common; a control circuit (50) for opening and closing the switch (40) at a rate that is a function of at least a DC control current, a resonant circuit (60) that is coupled to the energy storage circuit (30) for energizing the gas discharge lamp.
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申请公布号 |
WO9700597(A1) |
申请公布日期 |
1997.01.03 |
申请号 |
WO1996US05739 |
申请日期 |
1996.04.26 |
申请人 |
MOTOROLA INC. |
发明人 |
KONOPKA, JOHN, G.;STEPHENS, DENNIS, L. |
分类号 |
H05B41/282;H05B41/16;H05B41/28;H05B41/295;(IPC1-7):H05B37/02;H05B39/04;H05B41/36 |
主分类号 |
H05B41/282 |
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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