(under subclass 126) Subject matter where there is a comparison between the desired position of an object and its actual position and there is a control means which responds to the difference in these positions and attempts to minimize this difference.
SEE OR SEARCH THIS CLASS, SUBCLASS:
114, for synchro or resolver signal coersion to or from digital signal in control systems.
SEE OR SEARCH CLASS
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,
518+, for miscellaneous control systems.
340, Communications: Electrical, 825+, for selective control systems.
364, Electrical Computers and Data Processing Systems,
130+, for control systems using computers.
377, Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems,
