| 摘要 |
<p>Device comprising an AC or DC voltage source (V) drawing a current in a circuit comprising the use of a resistor (R) characterised by a set of semi conductor components (1 - 2 - 3) mounted in series in the said circuit and able to furnish their terminals with a substantially constant voltage drop, the said lamp (6) being mounted in parallel with the said set. Application to the powering of light-emitting diode lamps. <IMAGE></p> |
