US PATENT SUBCLASS 180 / 179
.~.~ And electrical quantities comparison means for development of electrical input

Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

170  DF  WITH MEANS RESPONSIVE TO SPEED OF VEHICLE FOR MAINTAINING SPEED AT, OR PREVENTING IT FROM EXCEEDING, A PARTICULAR VALUE {4}
178  DF  .~ Including electrically actuated servomechanism {1}
179.~.~ And electrical quantities comparison means for development of electrical input

DEFINITION

Classification: 180/179

And electrical quantities comparison means for development of electrical input:

(under subclass 178) Vehicle wherein the means includes additional means for comprising one electrical quantity (e.g., voltage, pulse, waveform, flux, etc.) with another (e.g., a reference) quantity of a like kind, which comparison means is involved in the development of an electrical signal which is fed into the controlling means.