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PCE
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DIFF Subgroup
H01Q 3/12

using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems

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

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

Child Classifications

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  • H01Q 3/14 for varying the relative position of primary active element and a refracting or diffracting device IPC+CPC Available in IPC and CPC