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CPC Subgroup
H01Q 19/06

using refracting or diffracting devices, e.g. lens

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 refracting or diffracting devices, e.g. lens

4 direct subcodes

Child Classifications

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  • H01Q 19/067
  • H01Q 19/08 for modifying the radiation pattern of a radiating horn in which it is located
  • H01Q 19/09 wherein the primary active element is coated with or embedded in a dielectric or magnetic material (protective material H01Q1/40, varying the electric or magnetic characteristics of refracting or diffracting devices H01Q3/44)