Automobile headlamp circuit with a self-holding and extinguishing circuit controlledby the ignition switch

Claim 1

IN AN AUTOMOBILE LIGHTING CIRCUIT WHICH COMPRISES A PAIR OF HEADLIGHTS, TAIL LIGHTS, A SOURCE OF ELECTRICAL ENERGY, A SWITCH FOR ENERGIZING THE LIGHTS, CIRCUIT MEANS INTERCONNECTING THE LIGHTS, SWITCH AND ELECTRIC ENERGY SOURCE AND FURTHER INCLUDING AN IGNITION SWITCH AND CIRCUIT MEANS INTERCONNECTING THE IGNITION SWITCH AND THE ELECTRIC ENERGY SOURCE; THE IMPROVEMENT WHEREIN THE LIGHTING CIRCUIT FURTHER INCLUDES A HOLDING CIRCUIT FOR AUTOMATICALLY TURNING THE LIGHTS OFF WHEN THE IGNITION SWITCH IS OPENED AND PREVENTING ENERGIZATION OF THE LIGHTS WHEN THE IGNITION SWITCH IS AGAIN CLOSED WHICH COMPRISES: AN ELECTRIC RELAY HAVING A COIL, A FIRST PAIR OF NORMALLY OPEN CONTACTS ON THE RELAY; CIRCUIT MEANS INCLUDING THE FIRST CONTACTS FOR OPENING AND CLOSING THE LIGHTING CIRCUIT BETWEEN THE ELECTRIC ENERGY SOURCE AND THE LIGHTS;