Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-07-03
2007-07-03
Phu, Sanh D. (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S041200, C455S041300
Reexamination Certificate
active
10678064
ABSTRACT:
A wireless communication terminal comprising antennas4, 5for receiving signals based on first and second wireless LAN standards, RF circuits10, 13for receiving the signals from the antennas4, 5,a switch16for switching the standards of the signals received by the RF circuits to each other, reception level judging portions12, 15for judging the reception level of the signals in the RF circuits10, 13in the priority order from the highest standard to the lowest standard, and a controller17for judging on the basis of the judgment result of the reception level by the reception level judging portions whether it is possible to carry out the communications based on the first or second standard and control the switching operation of the switch so that the communications based on the standard having a higher priority can be carried out.
REFERENCES:
patent: 6954446 (2005-10-01), Kuffner
patent: 2004/0203367 (2004-10-01), Nowlin
patent: 08-008992 (1996-01-01), None
patent: 11-88371 (1999-03-01), None
patent: 11-331183 (1999-11-01), None
patent: 2002-112347 (2002-04-01), None
patent: 2002-271338 (2002-09-01), None
Kitami Hideo
Kobayashi Yoshikazu
Foley & Lardner LLP
NEC Infrontia Corporation
Phu Sanh D.
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