(under subclass 850) Subject matter including a plurality of antennas and a passive coupling network or a combination of such networks, the antennas being directly connected to such network or networks.
SEE OR SEARCH THIS CLASS, SUBCLASS:
100+, for directive, radiant energy signaling systems, which may involve plural antennas with coupling.
776+, for plural wave guide type antennas which may involve coupling.
814, and 816, for plural doublet type antennas with coupling.
852, for plural antennas with coupling networks, which also involve impedance matching.
893, and the Search Notes thereunder for plural antennas generally which may involve coupling networks. SEE OR SEARCH CLASS
333, Wave Transmission Lines and Networks,
1+, for plural channel wave transmission systems which may be coupled to plural antennas. See also the search notes thereunder.
