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DIFF Subgroup
H01Q 3/20

wherein the primary active element is fixed and the reflecting device is movable

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 > wherein the primary active element is fixed and the reflecting device is movable

No child classifications to compare. This is a leaf node in both IPC and CPC.