| 摘要 |
An adjustable lighting system for fluorescent lamp includes a lighting unit, a sensing apparatus and a control apparatus. The lighting unit can emit a light. The sensing apparatus can sense if a target exists and generate a sensing signal accordingly. The sensing apparatus further generates and outputs a modulating signal based on the sensing signal. The control apparatus can receive the modulating signal from the sensing apparatus, adjust a supporting current of a power source and supply the pulse width and phase level of the current to the lighting unit, to control the intensity of the light emitted by the lighting unit.
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