.~ With respect to a fixed standard, master or reference device {2}
450
.~.~ Electrical detector
DEFINITION
Classification: 318/450
(under subclass 449) Subject matter in which the comparing means (i.e., the means which detects a change in, or a difference between, the values or quantities being compared) comprise electrical means, e.g., coils, electric meters or indicators, dynamoelectric machines, electrical impedances, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
70, for plural motor systems having electrical type detectors in running-speed control systems wherein the speed of one motor is compared by electrical means with the speed of another.
