| 摘要 |
<p>A light indication system for airport runways, road routes and the like, comprising a circuit (9) consisting of at least one series of LED-type individual lighting units (4) arranged in series along an electric line (12, 13), being part of the circuit (9), comprises an AC/DC converter (11) for powering the electric line (12, 13) with direct current, the converter in turn comprising a constant current regulator (CCR) (11a), so as to maintain the power supply current constant even after faults; each lighting unit (4) is connected to a protection device (14, 15) designed to prevent the line (12, 13) from being interrupted should the relative lighting unit (4) develop a fault.</p> |
