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PCE
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DIFF Subgroup
H01Q 3/16

for varying relative position of primary active element and a reflecting device

Introduced: September 1968

Full Title

Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system > using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems > for varying relative position of primary active element and a reflecting device

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • H01Q 3/18 wherein the primary active element is movable and the reflecting device is fixed IPC+CPC Available in IPC and CPC
  • H01Q 3/20 wherein the primary active element is fixed and the reflecting device is movable IPC+CPC Available in IPC and CPC