DIFF Subgroup
H01P 1/32 Non-reciprocal transmission devices (H01P1/02 - H01P1/30 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Non-reciprocal transmission devices
CPC: Non-reciprocal transmission devices (H01P1/02 - H01P1/30 take precedence)
Full Title
Full titles differ between systems:
IPC:
Auxiliary devices > Non-reciprocal transmission devices
CPC:
Auxiliary devices (coupling devices of the waveguide type H01P5/00) > Non-reciprocal transmission devices (H01P1/02 - H01P1/30 take precedence)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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