FI (Note)/(Index) list

Descriptions for H01Q23/00 and notes/indexes are displayed on this screen.

H01Q23/00 Antennas with active circuits or circuit elements integrated within them or attached to them [3]

Note(s)
    This group covers only such combinations in which the type of antenna or antenna element is immaterial.[3]Combinations with a particular type of antenna are classified in the group appropriate to that type.