SIM card accessing apparatus of mobile terminal
A technology for mobile terminals and access devices, applied in the directions of selection devices, electrical components, transmission systems, etc., can solve the problems of space usage loss and increased costs of mobile terminals
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[0018] An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
[0019] Fig. 3 is a structural example diagram of a device for accessing a SIM card of a mobile terminal according to the present invention. As shown in the figure, in a dual-frequency dual-mode terminal with a SIM card, it is composed of the following parts: the first and second modems (22, 23), which request access to the above-mentioned SIM card (10), if the control Obtain permission, then accept clock signal input, exchange data synchronously with the data of above-mentioned SIM card (10); Multimedia processor (21), it supplies power to above-mentioned SIM card (10), according to above-mentioned the first modem (22) or the The SIM card access request of the modem (23) outputs the switch control signal and the above-mentioned clock signal, and grants control; the switch (24) switches the first and second modems (22, 23) and the SIM card according to ...
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