DIFF Subgroup
H03C 1/52 Modulators in which carrier or one sideband is wholly or partially suppressed (H03C1/28 - H03C1/34, H03C1/46, H03C1/48 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Modulators in which carrier or one sideband is wholly or partially suppressed
CPC: Modulators in which carrier or one sideband is wholly or partially suppressed (H03C1/28 - H03C1/34, H03C1/46, H03C1/48 take precedence)
Full Title
Full titles differ between systems:
IPC:
Amplitude modulation > Modulators in which carrier or one sideband is wholly or partially suppressed
CPC:
Amplitude modulation (H03C5/00, H03C7/00 take precedence) > Modulators in which carrier or one sideband is wholly or partially suppressed (H03C1/28 - H03C1/34, H03C1/46, H03C1/48 take precedence)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- H03C 1/54 Balanced modulators, e.g. bridge type, ring type or double balanced type +1 CPC IPC+CPC Available in IPC and CPC