(under subclass 299) Systems wherein two or more of the regulating means are designed to be controlled automatically in response to some condition.
(1) Note. The condition controlling the operation of the regulating means may be the current or potential of the circuit of the load device, some condition of the load device such as its temperature, or the temperature of the atmosphere in which the load device is operating, or any other condition affecting the operation of the load device.
SEE OR SEARCH THIS CLASS, SUBCLASS:
307, and indented subclasses, for other systems under subclass 291 provided with automatically controlled current regulating means.
