US Patent 8456322 Warning light device having at least two warning lamps

A warning light device having a first warning lamp exhibiting at least one first light unit with at least one first lighting element for visually indicating at least one operating state of a first technical unit having a first electronic control device and having at least one indicating unit for visually indicating at least one operating state, especially several different operating states of the first warning lamp, wherein at least one electronic warning lamp connection is provided for transmitting data and/or control signals at least between the first warning lamp and the indicating unit to provide for the monitoring of several different technical units with considerably less expenditure than in the prior art. This is achieved by the fact the indicating unit is constructed as signaling column having at least one second alternating module with at least one second lighting element.