US PATENT SUBCLASS 123 / 696
.~.~.~.~ Proportional or integral circuit

Current as of: June, 1999
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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}
696.~.~.~.~ Proportional or integral circuit

DEFINITION

Classification: 123/696

Proportional or integral circuit:

(under subclass 694) Subject matter wherein (1) the output signal of the transducer is a predetermined ratio of its input or (2) wherein the output signal of the transducer is fed to a circuit the output of which increases or decreases at a predetermined rate with respect to time.