(under subclass 112) Subject matter relating to systems having means for repetitively making and breaking a circuit.
(1) Note. This subclass relates, for example, to flashing systems, wherein the system is intermittently energized.
SEE OR SEARCH THIS CLASS, SUBCLASS:
96+, for this subject matter.
SEE OR SEARCH CLASS
315, Electric Lamp and Discharge Devices: Systems,
209+, for this subject matter having an electric lamp or space discharge device in the load circuit.
318, Electricity: Motive Power Systems,
129+, for this subject matter having an electric motor in the load circuit.
323, Electricity: Power Supply or Regulation Systems,
282, and 351 for switching regulators.
331, Oscillators, appropriate subclasses, for electrical oscillators in general utilizing active elements other than circuit maker and breaker type or dynamoelectric machine type, see particularly
111, for free-running pulse generators of the relaxation type utilizing transistors, subclasses 129+ for oscillators of the relaxation type utilizing gaseous space discharge devices, and subclasses 143+ for relaxation oscillators in general.
