Patent Document ID: 4238711
Application ID: 06067786
Patent Flag: 1

Claim One:
1. A circuit for selectively and individually starting and operating at least two arc discharge lamps connected in parallel, comprising: a regulator for providing regulated current for operating a selected one of the at least two lamps; the regulator including means for connection to a power source and further including a pair of output terminals for connection to the respective lamps; means for starting the at least two lamps, respectively, including at least two pulse transformers and a pulse generator for supplying pulses to the respective pulse transformers; one each of said pulse transformers arranged for association with a corresponding one of said lamps; and means for selecting a one of said lamps to be started and operated; the selecting means arranged for low voltage operation and including means for enabling the regulator and the pulse generator and for steering the pulses from the pulse generator to a one of said pulse transformers associated with the one of said lamps selected for operation; the selecting means further including means for disabling the pulse generator and the regulator for effecting turn-off of a previously lighted lamp and for resetting the circuit in preparation for starting a second of said lamps when the selecting means is operated to select the second of said lamps for operation.