Semiconductor ignition system

Claim 1

AN IGNITION CONTROL UNIT ADAPTED TO BE CONNECTED WITH THE PLURALITY OF AN IGNITION COIL, WITH AN ENGINE DRIVEN TIMING DEVICE AND WITH A SOURCE OF DIRECT CURRENT COMPRISING, FIRST AND SECOND TRANSISTORS, SAID FIRST TRANSISTOR BEING ADAPTED TO BE CONNECTED IN SERIES WITH THE PRIMARY WINDING OF AN IGNITION COIL, MEANS INTERCONNECTION SAID TRANSISTORS WHEREBY SAID FIRST TRANSISTOR IS DRIVEN CONDUCTIVE WHEN SAID SECOND TRANSISTOR IS BIASED TO A NONCONDUCTIVE CONDITION, SAID SECOND TRANSISTOR BEING ADAPTED TO BE CONNECTED WITH AN ENGINE DRIVEN TIMING DEVICE WHICH IS CAPABLE OF CAUSING SAID SECOND TRANSISTOR TO BE BIASED TO A NONCONDUCTIVE CONDITION, AND A TIMING CIRCUIT CONNECTED WITH SAID SECOND TRANSISTOR FOR CAUSING SAID SECOND TRANSISTOR TO REMAIN IN A NONCONDUCTIVE CONDITION FOR A PREDETERMINED FIXED TIME FOLLOWING THE BIASING OF SAID SECOND TRANSISTOR TO ITS NONCONDUCTIVE STATE.