| 摘要 |
<p>A lighting system comprising a plurality of separate lamps, wherein each lamp of said lighting system further comprising an ultrasonic transmitter arranged to transmit ultrasonic signals, an ultrasonic receiver arranged to receive reflected ultrasonic signals, and a processing means arranged to derive a time-of-flight signal representing the time differences between said transmitted and received ultrasonic signals, wherein each lamp of said lighting system further comprises communication means suitable to communicate data with communication means of other lamps in said lighting system, and wherein said processing means are arranged to establish a connection with communication means of said other lamps upon detection of a predetermined behaviour of said time-of-flight signal.</p> |
