.~ Including exhaust gas condition responsive means {11}
690
.~.~ With fail-safe, backup, or malfunction means
DEFINITION
Classification: 123/690
With fail-safe, backup, or malfunction means:
(under subclass 672) Subject matter in which the control means upon detecting failure in a circuit or circuit element shifts (1) operation into a substitute circuit to accomplish the same function or (2) indicates functioning of the circuit or circuit element outside of acceptable parameters.
SEE OR SEARCH THIS CLASS, SUBCLASS:
479, for charge forming devices with actuator circuits having backup, fail-safe or failure indicator systems.
SEE OR SEARCH CLASS
701, Data Processing, Navigation, and Relative Location,
114, for control means for internal-combustion engines including specific computer or data processing details and having backup systems.
