consisting of two coupled guides, e.g. directional couplers

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Coupling devices of the waveguide type > Coupling devices having more than two ports > Conjugate devices, i.e. devices having at least one port decoupled from one other port > consisting of two coupled guides, e.g. directional couplers

CPC:

Coupling devices of the waveguide type > Coupling devices having more than two ports (H01P5/04 takes precedence) > Conjugate devices, i.e. devices having at least one port decoupled from one other port > consisting of two coupled guides, e.g. directional couplers

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

Child Classifications

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H01P 5/181 +1 CPC CPC only CPC only
H01P 5/183 CPC only CPC only
H01P 5/184 +2 CPC CPC only CPC only
H01P 5/188 CPC only CPC only