Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
H01P 1/209

comprising one or more branching arms or cavities wholly outside the main waveguide

Full Title

Auxiliary devices (coupling devices of the waveguide type H01P5/00) > Frequency-selective devices, e.g. filters > Hollow waveguide filters (H01P1/212, H01P1/213, H01P1/215, H01P1/219 take precedence) > comprising one or more branching arms or cavities wholly outside the main waveguide