US PATENT SUBCLASS 123 / 354
.~.~.~.~ Having variable frequency multivibrator (e.g., number of "time ons" per unit of time)


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

319  DF  ENGINE SPEED REGULATOR {16}
349  DF  .~ Having condition responsive means with engine being part of a closed feedback system (e.g., cruise control) {4}
350  DF  .~.~ Electrical sensing or regulating {3}
352  DF  .~.~.~ Engine speed sensing having an error signal producing circuit {7}
354.~.~.~.~ Having variable frequency multivibrator (e.g., number of "time ons" per unit of time)


DEFINITION

Classification: 123/354

Having variable frequency multivibrator (e.g., number of "time ons" per unit of time):

(under subclass 352) Subject matter in which the regulator includes a variable frequency oscillator or multivibrator having a constant length output pulse.