(under subclass 1) Plural channel systems having means to sense a condition in the system and to control the operation of the system in accordance with the condition so sensed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
17+, and the subclasses specified in the notes thereto for single channel automatically controlled systems and networks.
SEE OR SEARCH CLASS
307, Electrical Transmission or Interconnection Systems, particularly
39, 86+, 116+, and 326+ for miscellaneous plural channel electrical transmission or interconnection systems which involve automatic control. 323, Electricity: Power Supply or Regulation Systems,
