(under subclass 1) Subject matter wherein the electrical component or arrangement supplies a periodic signal for informing the user of a desirable rate of activity.
(1) Note. A pace setting indicator is often called a "pace setter" although no structure for actually controlling the rate of activity of the user or the equipment is provided.
SEE OR SEARCH THIS CLASS, SUBCLASS:
6, and 7, for circuitry which regulates the rate of movement of the apparatus.
