.~ Periodic switch in the primary circuit of the supply transformer {4}
220
.~.~ Plural transformers in the supply circuit
DEFINITION
Classification: 315/220
(under subclass 219) Systems having two or more transformers connected in the supply circuit of the load device.
(1) Note. The transformers may be connected in the supply circuit so that the primary circuit of one transformer is connected to the secondary circuit of another transformer, or may have their primaries and/or secondaries connected in electrical series or shunt relation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
277, for other systems provided with a plurality of transformers connected in the supply circuit of a load device.