CPC Subgroup
H01Q 19/10 using reflecting surfaces
Full Title
Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic > using reflecting surfaces
6 direct subcodes
Child Classifications
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- H01Q 19/12 wherein the surfaces are concave (H01Q19/18 takes precedence)
- H01Q 19/18 having two or more spaced reflecting surfaces (H01Q19/20 takes precedence)