US PATENT SUBCLASS 361 / 242
.~ With speed comparison

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

236  DF  ELECTRICAL SPEED SIGNAL PROCESSING SYSTEMS {7}
242.~ With speed comparison

DEFINITION

Classification: 361/242

With speed comparison:

(under subclass 236) Subject matter wherein the electrical circuit contains means for comparing the generated signal with a reference signal.

SEE OR SEARCH CLASS

318, Electricity: Motive Power Systems,

820, for control of the speed of a motor or driven device, with respect to a master or reference device.

324, Electricity: Measuring and Testing,

161, for electrical speed measuring with speed comparing means.