CPC Subgroup
H03C 1/16 by means of discharge device having at least three electrodes (H03C1/28 - H03C1/34, H03C1/50, H03C1/52, H03C1/62 take precedence)
Full Title
Amplitude modulation (H03C5/00, H03C7/00 take precedence) > by means of discharge device having at least three electrodes (H03C1/28 - H03C1/34, H03C1/50, H03C1/52, H03C1/62 take precedence)
1 direct subcode
Child Classifications
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- H03C 1/18 carrier applied to control grid