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DIFF Subgroup
H01Q 25/04

Multimode antennas

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Antennas or antenna systems providing at least two radiating patterns > Multimode antennas

CPC:

Antennas or antenna systems providing at least two radiating patterns (arrangements for changing or varying the orientation or the shape of the directional pattern H01Q3/00) > Multimode antennas

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