US PATENT SUBCLASS 123 / 406.62
.~.~.~.~.~.~ Position sensors at separate shafts

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}
406.62.~.~.~.~.~.~ Position sensors at separate shafts

DEFINITION

Classification: 123/406.62

Position sensors at separate shafts:

(under subclass 406.61) Subject matter wherein (a) one of the transducers that generates the output signal indicative of the rotational position of the elongated member monitors one elongated member and (b) another transducer generates another output signal indicative of the rotational position of another elongated member.

SEE OR SEARCH CLASS

33, Geometrical Instruments, appropriate subclasses for position sensors, per se.

324, Electricity: Measuring and Testing, appropriate subclasses, especially

207.11+, for magnetic apparatus for measuring rotary displacement per se.