(under subclass 307) Systems wherein the regulating means is responsive to two or more conditions; such as, the current and the voltage of the circuit, or a condition of the load device and the current or voltage of the circuit.
SEE OR SEARCH THIS CLASS, SUBCLASS:
301, for systems under subclass 291, provided with a plurality of automatically operated regulators in the supply circuit.
SEE OR SEARCH CLASS
323, Electricity: Power Supply or Regulation Systems,
234, 303, for automatically controlled systems for controlling the magnitude of the current and/or voltage in a single circuit by means of an impedance which is controlled in response to a plurality of conditions.
