(under subclass 550) Subject matter including significant details of a source of electrical energy for supplying power to the radiotelephone.
SEE OR SEARCH THIS CLASS, SUBCLASS:
127, for power or bias voltage supply in a radio transmitter.
343, for power or bias voltage supply in a radio receiver.
SEE OR SEARCH CLASS
307, Electrical Transmission or Interconnection Systems,
43+, for plural power supply circuits in an electrical transmission or interconnection system. 323, Electricity: Power Supply or Regulation Systems, appropriate subclasses for power supply in general.
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,
530+, for a specific source of supply having nonlinear circuitry.