US PATENT SUBCLASS 123 / 406.33
.~.~.~.~.~ With modifying or updating memory (i.e., learning)

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

406.11  DF  SPARK IGNITION TIMING CONTROL {5}
406.12  DF  .~ Electronic control {10}
406.19  DF  .~.~ Closed loop feedback control of spark timing {5}
406.26  DF  .~.~.~ Combustion condition responsive {4}
406.29  DF  .~.~.~.~ Engine knock responsive {4}
406.33.~.~.~.~.~ With modifying or updating memory (i.e., learning)

DEFINITION

Classification: 123/406.33

With modifying or updating memory (i.e., learning):

Subject matter under subclass 406.29 wherein the regulating means to vary spark ignition timing includes an information storage section for storing values of spark ignition timing adjustment, the values being stored at a plurality of memory locations, and wherein the stored values may be replaced by newly determined values to produce the desired spark ignition timing.

SEE OR SEARCH CLASS

701, Data Processing: Vehicles, Navigation, and Relative Location,

106, the digital or programmed data processing system associated with an internal combustion engine, designed to indicate information or control the air/fuel ratio or fuel injection by the manipulation of a value of a predetermined function of antecedent and consequent operations corresponding to the operating conditions of the combustion engine, where significant details of the mechanical

construction of the component or subsystem within a vehicle are not claimed