Composite antenna for duplexer-free duplex operation terminals and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 13, 2001
Grant Date -
N/A
app pub date -
Apr 18, 1997
filing date -
Apr 18, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An antenna assembly includes a receiving antenna and a separate transmitting antenna with an isolation circuit disposed in between to thereby isolate the Tx and Rx signals and provide a sufficient amount of attenuation outside the desired frequency band. The dual antenna structure enables the elimination of a conventional duplexer for duplex operation. In this context, the arrangement minimizes occupied space on the PCB while reducing manufacturing costs.
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Cited Art Landscape
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