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Method of dynamically allocating contacts of a subscriber chip card in a mobile terminal, and corresponding subscriber chip card and mobile terminal

A technology of mobile terminals and chip cards, which is applied in the direction of recording carriers used by machines, branch equipment, and induction recording carriers, etc., and can solve problems such as existing problems in implementation, obstacles to the future development of cards, and complex interfaces.

Inactive Publication Date: 2009-07-01
ST ERICSSON SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] However, there is a problem with the implementation of this solution
In practice, USB "Interchip" type ports have not yet appeared in mobile terminals, which presents implementation issues
Also, implementing an interface to an NFC modem (such as an S2C interface) is more complex with a single wire than with two wires
[0015] Finally, this solution requires permanent and fixed use of still free contacts on the user's chip card, which also hinders the possibility of future developments in the use of the card

Method used

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  • Method of dynamically allocating contacts of a subscriber chip card in a mobile terminal, and corresponding subscriber chip card and mobile terminal
  • Method of dynamically allocating contacts of a subscriber chip card in a mobile terminal, and corresponding subscriber chip card and mobile terminal
  • Method of dynamically allocating contacts of a subscriber chip card in a mobile terminal, and corresponding subscriber chip card and mobile terminal

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Experimental program
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Embodiment Construction

[0044] The invention applies to all types of mobile terminals (mobile phones, communication PDAs, smartphones, etc.) that work with user chip cards.

[0045] figure 1 Shows the functional structure of the mobile terminal 100 implementing the present invention according to one embodiment.

[0046] figure 1 , a mobile terminal (here a mobile phone 100) comprising a subscriber chip card 300, a baseband processor 120 (DDB: "Digital Baseband") allowing to transmit / receive data / sound via the mobile telephone network (GSM / GPRS), an application A processor 130 , a short-range communication module NFC 140 and a switching controller 150 .

[0047] For reasons of simplicity, other software / hardware elements (user interface (keyboard, screen, microphone, speaker, operating system, etc.)) known in mobile phones are not included in the figure 1 shown in .

[0048] Subscriber chip card 300 (SIM card (Subscriber Identity Module) or USIM card (Universal Subscriber Identity Module) also kno...

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Abstract

Method of allocating contacts of a subscriber chip card (300) in a mobile terminal (100) equipped with said card, the mobile terminal comprising at least one first and one second electronic module (130, 140) able to communicate with the subscriber chip card (100) according respectively to a first and a second communication protocol. To allow dynamic management of the allocation of the contacts ofthe subscriber chip card (100), the latter is alternately connected to the first and to the second electronic modules (130, 140) by selectively connecting at least one contact (C4) of said card to the first or second electronic module (130, 140).

Description

technical field [0001] The invention relates to the field of mobile phones, in particular to the functional structure of a mobile terminal and the management of contacts of a user chip card present in the terminal. Background technique [0002] A mobile phone comprises several components dedicated to different functions offered to the user (keyboard / screen, microphone / speaker, wireless communication components (eg GSM type), etc.). Among these different components there is the Subscriber Chip Card ("Smart Card"), which is known by the name SIM (Subscriber Identity Module) or USIM (Universal Subscriber Identity Module, which is also known as UICC or "Smart Card"). UMTS integrated circuit card"). [0003] A user chip card is a security component of a mobile phone issued by the mobile phone operator, which is the issuer of the card ("card issuer"). The card includes processing means (microprocessor) and storage means. Typically, the card enables phone subscriptions inside th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K7/00G06K19/07H04W88/02H04M1/725H04M1/72409
CPCG06K19/07733G06K7/10297G06K19/0723
Inventor 蒂埃里·莫雷尔阿朗·凯尔德劳恩奥利维耶·布里奥菲利普·莫加尔
Owner ST ERICSSON SA
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