US PATENT SUBCLASS 330 / 171
.~.~ With transformer structure
Current as of:
June, 1999
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330 /
HD
AMPLIFIERS
157
DF
INTERSTAGE COUPLING
{11}
165
DF
.~ Transformer coupling {6}
171
.~.~ With transformer structure
DEFINITION
Classification: 330/171
(under subclass 165) Subject matter involving the structure of the transformer coupling the signal between the two cascaded stages.
SEE OR SEARCH THIS CLASS, SUBCLASS:
65+, for structure of amplifier circuit elements other than transformers involved with an amplifier system.
190, for the structure of transformers in amplifier input
coupling.
197, for the structure of transformers in amplifier output coupling.
SEE OR SEARCH CLASS
336, Inductor Devices, appropriate subclasses for transformer structure generally.
