(under subclass 700) Subject matter including an antenna and a switch for electrically connecting the antenna selectively to two or more lines, or including two or more antennas and a switch for connecting a line selectively to these antennas, or including a plurality of antennas and a switch for making selective connections among these antennas and a plurality of lines.
SEE OR SEARCH THIS CLASS, SUBCLASS:
768, for slot type antennas with periodic control of the slot or coupling.
777, for plural wave guide type antennas with control of the individual antenna.
778, for plural wave guide type antennas with phasing means.
814, for plural doublets with coupling networks.
854, for plural antennas with coupling means having periodically varied control. 858, for a single antenna coupled to plural leadins.
904, for antennas combined with switches.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers, particularly
1+, 19.01+, 51.02+, 51.05+ for plural circuit switches.
307, Electrical Transmission or Interconnection Systems, particularly
23, 38+, 64+, 80+, 85+, 98+, and 112+ for miscellaneous electrical distribution systems which include switching.
333, Wave Transmission Lines and Networks,
101+, for wave transmission branch systems having switching between branches.
335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,
106+, for switches of the electromagnetic type adapted to complete a plurality of circuits. 340, Communications: Electrical, particularly
825+, for miscellaneous electrical communication systems which may involve switching.
439, Electrical Connectors, particularly
18, for electrical connectors which may connect and disconnect multiple circuits.
455, Telecommunications,
132, and 277.1+ for radio receiver diversity systems which may include this type of switching.
