CPC Subgroup
H01Q 19/02 Details
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 > Details
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01Q 19/04 Means for collapsing H-antennas or Yagi antennas