Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-06-26
2007-06-26
Feild, Joseph (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S120000, C455S107000, C455S077000, C455S115100
Reexamination Certificate
active
10938388
ABSTRACT:
A coupling device for coupling an electronic circuit for at least one antenna unit to exchange electrical signals between the electronic circuit and the at least one antenna unit comprises a first input/output signal path, a matching unit coupled to the first input/output signal path, a filter unit coupled to the output of the matching unit by means of a second signal path and a second input/output signal path for connecting the filter unit to the at least one antenna unit, wherein the signal path arranged between the electronic circuit and the at least one antenna unit are provided completely differential.
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Harness & Dickey & Pierce P.L.C.
Smith S.
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