DIFF Subgroup
H03H 17/06 Non-recursive filters
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Networks using digital techniques > Frequency-selective networks > Non-recursive filters
CPC:
Networks using digital techniques > Frequency selective networks > Non-recursive filters
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
Child Classifications
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