| 摘要 |
An illumination lighting apparatus has a resonance load circuit including a discharge tube, a power supply circuit for generating DC voltage from commercial AC voltage, and an inverter for converting the generated DC voltage into an AC voltage and supplying the AC voltage to the resonance load circuit. Further, a control circuit is provided which controls electric power supplied to the resonance load circuit in response to operating parameters of the discharge tube immediately after lighting of the discharge tube.
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