DIFF Subgroup
H01Q 3/04 for varying one co-ordinate of the orientation
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 movement of antenna or antenna system as a whole > for varying one co-ordinate of the orientation
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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