(under subclass 160) Subject matter in which means for producing a signal representative of speed includes means to convert mechanical motion into an electrical signal whose output amplitude is a function of the speed being measured, and in which the indicating means measures said amplitude.
SEE OR SEARCH THIS CLASS, SUBCLASS:
166+, for electrical generators of speed signals whose frequency is a function of the speed being measured.
SEE OR SEARCH CLASS
310, Electrical Generator or Motor Structure,
10+, for dynamoelectric generator structure. 322, Electricity: Single Generator Systems, appropriate subclasses, for single dynamoelectric generator systems.