CPC Subgroup
H01P 1/18 Phase-shifters (H01P1/165 takes precedence)
Full Title
Auxiliary devices (coupling devices of the waveguide type H01P5/00) > Phase-shifters (H01P1/165 takes precedence)
6 direct subcodes
Child Classifications
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- H01P 1/185 using a diode or a gas filled discharge tube
- H01P 1/19 using a ferromagnetic device