US PATENT SUBCLASS 123 / FOR 122
.~ Timing control derived from ignition capacitor (123/427)

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123 /   HD   INTERNAL-COMBUSTION ENGINES

FOR 101  DF  SPARK IGNITION TIMING CONTROL (123/406) {16}
FOR 122.~ Timing control derived from ignition capacitor (123/427)

DEFINITION

Classification: 123/FOR.122

Timing control derived from ignition capacitor:

Subject matter in which the timing control means includes a circuit that charges and discharges a capacitor.