DIFF Subgroup
H03H 7/24 Frequency- independent attenuators
Introduced: September 1968
Title
Titles differ between systems:
IPC: Frequency-independent attenuators
CPC: Frequency- independent attenuators
Full Title
Full titles differ between systems:
IPC:
Multiple-port networks comprising only passive electrical elements as network components > Frequency-independent attenuators
CPC:
Multiple-port networks comprising only passive electrical elements as network components > Frequency- independent attenuators
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1980.
Child Classifications
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- H03H 7/25 comprising an element controlled by an electric or magnetic variable (H03H7/27 takes precedence) since 1980 +3 CPC IPC+CPC Available in IPC and CPC