US PATENT SUBCLASS 123 / FOR 112
.~.~ Having microprocessor (123/417)

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

FOR 101  DF  SPARK IGNITION TIMING CONTROL (123/406) {16}
FOR 111  DF  .~ Digital electronic control (123/416) {1}
FOR 112.~.~ Having microprocessor (123/417)

DEFINITION

Classification: 123/FOR.112

Having microprocessor:

Subject matter wherein the system employs a solid-state digital logic device that uses a prestored "program" (internal or external) to change or generate certain output signals in response to changes in the input signal(s).