Influence of Active Queue Parameters on Aggregate Traffic Performance

In an ignition distributor of the type having an ignition coil mounted in the distributor cap and a magnetic signal generating assembly including a pickup coil, a pickup coil magnetic decoupling arrangement comprising an annular ring member of an electrically conductive material located in a position at which it is magnetically linked by those lines of magnetic flux produced by the ignition coil which also magnetically link the pickup coil.