Antenna coupler

Wave transmission lines and networks – Plural channel systems – Having branched circuits

Patent

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Details

455 82, H04B 154

Patent

active

053862031

ABSTRACT:
An antenna coupler is inserted between an antenna and communication systems operating in two different frequency bands. A matching circuit allows signals in either of these frequency bands to be transmitted only between the antenna and a sorter corresponding to the frequency band which serves to sort signals in the frequency band into a reception band and a transmission band. Reception and transmission filters corresponding to the two frequency bands are provided for limiting reception signals received from the antenna and transmission signals from the communication systems within a reception band or a transmission band in the corresponding frequency band.

REFERENCES:
patent: 4910481 (1990-03-01), Sasaki et al.

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