(under subclass 155) Subject matter including a specific structure of an electrical power generation, regulation, distribution, or control circuitry of the illumination means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
301, for camera power supply in general.
, FOR 718, for a foreign art collection involving camera automatic exposure control including artificial illumination which is charge level or power supply responsive.
SEE OR SEARCH CLASS
323, Electricity: Power Supply or Regulation Systems, appropriate subclasses for power supply or regulation, in general.
