发明名称 EOL DETECTION WITH INTEGRATED FILAMENT INTERROGATION
摘要 The invention relates to a novel operating circuit for a low-pressure discharge lamp 1 with early EOL detection via a measurement of the DC voltage between the electrodes 2, 3. In this case, an electrode interrogation can be carried out by checking a respective connection via the electrodes 2, 3 to a respective reference potential.
申请公布号 US2003168995(A1) 申请公布日期 2003.09.11
申请号 US20030378895 申请日期 2003.03.05
申请人 PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCH GLUHLAMPEN MBH 发明人 GRABNER MARTIN;HECKMANN MARKUS
分类号 H05B41/298;(IPC1-7):H01J7/46 主分类号 H05B41/298
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