US PATENT SUBCLASS 123 / 695
.~.~.~.~ Variable reference value

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
672  DF  .~ Including exhaust gas condition responsive means {11}
693  DF  .~.~ With compensator for sensor output (e.g., current or voltage) {2}
694  DF  .~.~.~ Output fed to compensating circuit {2}
695.~.~.~.~ Variable reference value

DEFINITION

Classification: 123/695

Variable reference value:

(under subclass 694) Subject matter wherein the output signal from the transducer is compared to a signal which is variable.