Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-01-11
2005-01-11
Maung, Nay (Department: 2684)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S500000, C455S561000, C455S562100, C455S078000, C455S080000, C455S011100, C375S211000, C375S377000
Reexamination Certificate
active
06842629
ABSTRACT:
The present invention relates to an arrangement for connecting antennas to ports of a transceiver unit in a base station. By using two circulators and a four port sputter a more flexible small base station is attained. The arrangement provides, at a low extra cost, the capability of adding an auxiliary transceiver unit to the base station.
REFERENCES:
patent: 5652765 (1997-07-01), Adachi et al.
patent: 5701595 (1997-12-01), Green, Jr.
patent: 5815803 (1998-09-01), Ho et al.
patent: 6005884 (1999-12-01), Cook et al.
patent: 6125109 (2000-09-01), Fuerter
patent: 2322772 (1998-09-01), None
Granstam Bo
Johansson Bengt
Olsson Magnus
Aminzay Shaima Q.
Maung Nay
Nixon & Vanderhye P.C.
Telefonaktiebolaget LM Ericsson (publ)
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