US PATENT SUBCLASS 123 / FOR 111
.~ Digital electronic control (123/416)


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



123 /   HD   INTERNAL-COMBUSTION ENGINES

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


DEFINITION

Classification: 123/FOR.111

Digital electronic control:

Subject matter wherein the timing control utilizes a digital memory, digital counting operation, or other digital decision making circuit.