The improvement is {TAIL ~ a protective circuit} comprising {HEAD ~ a speed} limiting control responsive to engine speed to apply to the trigger of one of the switches a disabling signal to cause the switch to conduct and discharge the capacitor in response to a predetermined response speed 
The improvement is { TAIL ~ a protective circuit } comprising { HEAD ~ a speed } limiting control responsive to engine speed to apply to the trigger of one of the switches a disabling signal to cause the switch to conduct and discharge the capacitor in response to a predetermined response speed
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH