H03L	AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES (generation of oscillations H03B)[3]
	Note(s) This subclass covers:[3] automatic control circuits for generators of electronic oscillations or pulses;starting, synchronisation or stabilisation circuits for generators where the type of generator is irrelevant or unspecified. In this subclass, the following expression is used with the meaning indicated: "automatic control" covers only closed loop systems.