Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-01-23
2007-01-23
Le, Danh (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S552100, C455S179100, C455S103000, C455S041200, C398S115000, C398S116000
Reexamination Certificate
active
10986899
ABSTRACT:
A wireless transmission module comprises: a first transceiver used to broadcast and to receive signals in a first frequency band; a second transceiver used to broadcast and to receive signals in a second frequency band; a switching circuit used to provide a single path of transmission and to control the its switches between the first transceiver and the second transceiver; and a processing unit used to control the switching circuit to switch the path of transmission from the first transceiver to the second transceiver when using the first frequency band of signal to communicate with a wireless device is not possible.
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patent: 6763195 (2004-07-01), Willebrand et al.
patent: 6904266 (2005-06-01), Jin et al.
patent: 2004/0192222 (2004-09-01), Vaisanen et al.
patent: 2005/0020212 (2005-01-01), Hiramitsu et al.
patent: 2005/0064824 (2005-03-01), Bergervoet et al.
patent: 2005/0075077 (2005-04-01), Mach et al.
patent: 2005/0227650 (2005-10-01), Williams
Chiu Alex
Chuang Chris
Le Danh
Lite-On Technology Corporation
Rabin & Berdo P.C.
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