Blinking light arrangement

Claim 1

BLINKING LIGHT ARRANGEMENT, PARTICULARLY FOR TURN INDICATORS ON MOTOR VEHICLES, COMPRISING, IN COMBINATION, AT LEAST TWO GROUPS OF ELECTRIC LAMP MEANS; CIRCUIT MEANS CONNECTED BETWEEN A SOURCE OF ELECTRIC ENERGY AND SAID GROUPS OF LAMP MEANS AND COMPRISING SWITCH MEANS FOR ALTERNATIVELY ENERGIZING ANY ONE OF SAID GROUPS OF LAMP MEANS, SAID CIRCUIT MEANS FURTHER INCLUDING CONTROL TRANSISTOR MEANS CHANGEABLE BETWEEN CONDUCTIVE AND NONCONDUCTIVE CONDITION FOR CLOSING AND INTERRUPTING THE CURRENT SUPPLY TO SAID LAMP MEANS DEPENDING UPON SAID CONDITIONS, AND VOLTAGE DIVIDER MEANS CONNECTED IN PARALLEL WITH SAID GROUPS OF LAMP MEANS; ASTABLE MULTIVIBRATOR MEANS CONNECTED WITH SAID CIRCUIT MEANS AND COOPERATING WITH SAID CONTROL TRANSISTOR MEANS FOR PERIODICALLY CHANGING THE LATTER BETWEEN SAID CONDUCTIVE AND NON-CONDUCTIVE CONDITIONS; AND PROTECTIVE TRANSISTOR MEANS CONNECTED IN SAID CIRCUIT MEANS WITH ITS EMITTER-COLLECTOR CIRCUIT BETWEEN ONE TERMINAL OF SAID COURSE AND SAID MULTIVIBRATOR MEANS AND WITH ITS EMITTER-BASE CIRCUIT TO AN INTERMEDIATE POINT OF SAID VOLTAGE DIVIDER FOR REMAINING CONDUCTIVE ONLY AS LONG AS THE CURRENT FLOW THROUGH THE CIRCUIT ENTERING SAID LAMP MEANS REMAINS IN A PREDETERMINED NORMAL RANGE, BUT INTERRUPTING SAID CIRCUIT MEANS WHEN SAID CURRENT FLOW ACROSS SAID CIRCUIT INCREASES BEYOND A PREDETERMINED MAXIMUM.