Patent ID: 7946725

Claim:
A device for grouping at least three lamps, comprising: an illumination means, a lamp socket, at least one sensor configured to sense light and to generate response signals indicative of at least one value of the light; and a control device having an identification and connected to a power supply, the control device assigning the lamps to at least one operating unit for switching the lamps on and off, wherein: the at least three lamps are configured to emit light and measure light incident thereon; the control device applies a switch-on signal to at least one lamp for emitting light and to the other lamps of the at least three lamps for measuring light, at least one lamp of the light-measuring lamps supplies a response signal representing a value of the light received, distances between the at least three lamps are determined based at least in part on the value, and the lamps are grouped based at least in part on the determined distances and assigned to the at least one operating unit configured to receive the response signals from the lamps.