using two or more feeds in association with a common reflecting, diffracting or refracting device

Full Title

Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements (combinations of separate active antenna units operating in different wavebands and connected to a common feeder system H01Q21/30) > Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements > using two or more feeds in association with a common reflecting, diffracting or refracting device

Child Classifications

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• H01Q 5/47 with a coaxial arrangement of the feeds