US PATENT SUBCLASS 361 / 240
.~ Including frequency generators


Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

236  DF  ELECTRICAL SPEED SIGNAL PROCESSING SYSTEMS {7}
240.~ Including frequency generators


DEFINITION

Classification: 361/240

Including frequency generators:

(under subclass 236) Subject matter wherein the electrical circuit includes circuitry in which the frequency of an A.C. current or the frequency of a D.C. pulse is representative of the speed of the member.

SEE OR SEARCH CLASS

322, Electricity: Single Generator Systems,

29+, for generator systems which are responsive to the speed or frequency of the generator.

324, Electricity: Measuring and Testing,

166+, for speed related frequency generators used to measure speed.