(under subclass 165) Subject matter combined with shielding means, for the transformer, or parts thereof.
(1) Note. Under interstage coupling, shielding and the structure of shielding are classified separately (subclass 170) from other structure of transformers (subclass 171). Under input and output coupling no separate provision is made for shielding so that all structure of transformers in input or output amplifier coupling including shielding is classified in subclasses 190 and 197, below respectively.
SEE OR SEARCH THIS CLASS, SUBCLASS:
68, for shielding combined with amplifiers or with circuit elements of amplifiers, generally.
190, for amplifier input coupling including transformer structure which may include shielding.
197, for amplifier output coupling including transformer structure which may include shielding.
SEE OR SEARCH CLASS 174, Electricity: Conductors and Insulators,
35+, shielded or screened, for shielding electrical elements, generally. See the search notes thereunder.
336, Inductor Devices,
84+, for shielding of inductors, generally. See the search notes thereunder.
