US PATENT SUBCLASS 123 / 406.63
.~.~.~.~.~.~ Position sensors having different pulse rates

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

406.11  DF  SPARK IGNITION TIMING CONTROL {5}
406.12  DF  .~ Electronic control {10}
406.58  DF  .~.~ Having engine shaft rotational position signal generator (e.g., crank shaft, cam shaft) {1}
406.59  DF  .~.~.~ Speed responsive timing control {2}
406.6  DF  .~.~.~.~ Having counter or addressable memory (e.g., digital timing circuit) {2}
406.61  DF  .~.~.~.~.~ Plural engine shaft position sensors {2}
406.63.~.~.~.~.~.~ Position sensors having different pulse rates

DEFINITION

Classification: 123/406.63

Position sensors having different pulse rates:

(under subclass 406.61) Subject matter wherein (a) the output signal from the transducer indicating rotational position of the elongated member is in the form of a momentary, sudden fluctuation in an electrical quantity (e.g., voltage or current) per unit of time, and (b) the output signal from another transducer indicating rotational position of an elongated member is in the form of another momentary, sudden fluctuation in an electrical quantity (e.g., voltage or current) per unit of time, and (c) the fluctuations per unit

time are not the same.