Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2003-07-10
2010-06-01
Dao, Minh D (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S556100, C455S556200, C455S575100, C379S322000, C235S475000
Reexamination Certificate
active
07729725
ABSTRACT:
The invention can allow data to be transferred from/to an electronic device when a removable Subscriber Identity Module (SIM) card that stores information used to register the electronic device with a communications network is absent from the electronic device. A subscriber may, therefore, upgrade from an existing radiotelephone to a new radiotelephone without the need for two SIM cards so that both radiotelephones operate to transfer the data. For example, according to embodiments of the invention, a subscriber can transfer data from the existing radiotelephone to the new radiotelephone even though one of the radiotelephones does not have a SIM card.
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Dao Minh D
Myers Bigel Sibley & Sajovec P.A.
Sony Ericsson Mobile Communications AB
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