CN101639890A - Movable terminal, NFC device supporting a plurality of SIM cards and implementation method - Google Patents
Movable terminal, NFC device supporting a plurality of SIM cards and implementation method Download PDFInfo
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- CN101639890A CN101639890A CN200910192077A CN200910192077A CN101639890A CN 101639890 A CN101639890 A CN 101639890A CN 200910192077 A CN200910192077 A CN 200910192077A CN 200910192077 A CN200910192077 A CN 200910192077A CN 101639890 A CN101639890 A CN 101639890A
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Abstract
The invention discloses an NFC device supporting a plurality of SIM cards, comprising an NFC chip, an SWP switch and a main control module. The NFC chip is used for establishing data connection with an external card-reading device and acquiring data information including operator identifications supported by the card-reading device; the SWP switch is used for connecting one of a plurality of SIM cards to the NFC chip; and the main control module is used for controlling the SWP switch to select an operator SIM card supported by the card-reading device according to the operator identifications supported by the card-reading device and connecting the NFC chip with the SIM card. The invention also discloses an NFC implementation method supporting a plurality of SIM cards and a mobile terminal,decreases the cost by only using one NFC chip and automatically selects the SIM card connected with the NFC chip according to the acquired operator identifications supported by the card-reading device.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of NFC device of plurality of SIM cards, the NFC implementation method and portable terminal of support plurality of SIM cards supported.
Background technology
Along with scientific and technological high speed development, people require more and more higher to quality of life, in order to satisfy the demand of electric room short-range communication, the Philip, Nokia, well-known manufacturers such as Sony are united a new wireless communication technology NFC (the Near Field Communication that has released, near field communication (NFC)), compare with other close range communication techniques, it is near that NFC has distance, energy consumption is low, have more security, with salient features such as existing contactless smart card technical compatibilities, described NFC technology is widely used on the terminal device, make between terminal device visit mutually more direct, safer and carry out wireless connections easily, and then realize exchanges data and service.The terminal device of prior art is by SIM (the Subscriber Identity Module of described terminal, user identification module) card is connected realization and extraneous POS (point of sale with the NFC chip, point of sales terminal) operation of swiping the card of machine, and the operator of existing card-reading apparatus support has a lot, and each SIM card can only corresponding operator, so the selection use that a plurality of SIM card realize the SIM card of a plurality of operators is installed on described terminal device in the prior art, and corresponding NFC chip of each SIM card, cause cost to increase, switching between the simultaneously different SIM card is mainly by manually realizing, make the user use troublesome poeration, very inconvenient.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of NFC device of plurality of SIM cards, the NFC implementation method and portable terminal of support plurality of SIM cards supported, by only using a NFC chip to reduce cost, operator's sign of supporting according to the described card-reading apparatus that obtains has realized the described SIM card that links to each other with the NFC chip of automatic selection simultaneously.
The embodiment of the invention provides a kind of NFC device of supporting plurality of SIM cards, comprising:
A NFC chip is used for setting up data with the external read card apparatus and is connected, and obtains the data message of the operator's sign that comprises described card-reading apparatus support;
A SWP switch is used for a SIM card of a plurality of SIM card is connected to the NFC chip;
A main control module, the operator's described SWP switch of sign control that is used for supporting according to described card-reading apparatus are selected the SIM card of the operator that a described card-reading apparatus supports, realize being connected of described NFC chip and SIM card.
Preferably, described main control module comprises:
Receiving element is used to receive that described NFC chip obtains comprises the data message of operator's sign that described card-reading apparatus supports;
Resolution unit is used to resolve the described data message that comprises operator's sign, obtains described operator sign;
Control module is used to control described SWP switch and selects one to identify corresponding SIM card with described operator, realizes being connected of described NFC chip and SIM card.
Preferably, described main control module further comprises:
Recognition unit is used to discern operator's sign that described a plurality of SIM card is supported.
Preferably, the NFC device of described support plurality of SIM cards further comprises:
A NFC antenna is used for being connected with described NFC chip, is connected so that described NFC chip is set up data by this NFC antenna with the external read card apparatus.
The embodiment of the invention also provides a kind of NFC implementation method of supporting plurality of SIM cards, comprising:
Setting up data with the external read card apparatus is connected;
Obtain the data message of the operator's sign that comprises described card-reading apparatus support;
Operator's sign of supporting according to described card-reading apparatus is selected the SIM card of the operator that a described card-reading apparatus supports, to realize being connected of described NFC chip and selected SIM card.
Preferably, described operator's sign of supporting according to described card-reading apparatus is selected a corresponding SIM card of supporting with described card-reading apparatus of operator, realizes further comprising before described NFC chip and being connected of SIM card:
Discern operator's sign that described a plurality of SIM card is supported.
Preferably, described method further comprises:
Described NFC chip is realized being connected by described SWP switch with described selected SIM card.
Preferably, described operator's sign of supporting according to described card-reading apparatus is selected the SIM card of the operator of a described card-reading apparatus support, realizes comprising described NFC chip and being connected specifically of SIM card:
The data message that comprises operator's sign that described card-reading apparatus supports that receives that described NFC chip obtains;
Resolve the described data message that comprises operator's sign, obtain described operator sign;
Select one with the corresponding SIM card of described operator sign, realize being connected of described NFC chip and SIM card.
Preferably, described and card-reading apparatus are set up data and are connected and comprise:
Described NFC chip is set up data by the NFC antenna with described card-reading apparatus and is connected, and described data connect to be reached by Handshake Protocol.
Preferably, described method further comprises:
The SIM card and the described NFC chip of a default acquiescence connect.
Embodiment of the invention sea provides a kind of portable terminal that comprises the NFC device of above-described support plurality of SIM cards.
Implement the NFC device of the support plurality of SIM cards of the embodiment of the invention, and the NFC implementation method of supporting plurality of SIM cards, be connected by setting up data with card-reading apparatus, obtain the data message of the operator's sign that comprises described card-reading apparatus support, operator's sign of supporting according to described card-reading apparatus is selected the SIM card of the operator that a described card-reading apparatus supports, realizes being connected of described NFC chip and SIM card.By only using a NFC chip to reduce cost, operator's sign of supporting according to the described card-reading apparatus that obtains has realized the described SIM card that links to each other with the NFC chip of automatic selection simultaneously.
Description of drawings
Fig. 1 is the structural representation that the embodiment of the invention is supported the NFC device of plurality of SIM cards;
Fig. 2 is the structural representation of the main control module of the embodiment of the invention NFC device of supporting plurality of SIM cards;
Fig. 3 is the process flow diagram of first embodiment of the embodiment of the invention NFC implementation method of supporting plurality of SIM cards;
Fig. 4 is the process flow diagram of second embodiment of the embodiment of the invention NFC implementation method of supporting plurality of SIM cards;
Fig. 5 is the structural representation of embodiment of the invention portable terminal;
Fig. 6 is the system chart of the portable terminal of embodiment of the invention double SIM card.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
For making purpose of the present invention, technical scheme and advantage clearer, below the embodiment of the invention is further described with reference to accompanying drawing.
With reference to figure 1, be the structural representation that the embodiment of the invention is supported the NFC device of plurality of SIM cards, as shown in Figure 1, the NFC device of the support plurality of SIM cards that the embodiment of the invention provides mainly comprises: NFC chip 1, main control module 2, SWP switch 3 and a plurality of SIM card 4.Below each Elementary Function and mutual relationship are elaborated.
Concrete, described NFC chip 1 can be set up data with the external read card apparatus by the NFC antenna and be connected, and described data connect to be finished by Handshake Protocol, described Handshake Protocol comprises: ISO/IEC 14443A, ISO/IEC 14443B, ISO/IEC 15693/ICODE VCD, NFC-IP1 ﹠amp; NFC-IP2 protocols etc., described card-reading apparatus comprises equipment such as POS machine, described NFC chip 1 obtains the described data message that comprises operator's sign of described card-reading apparatus support by modulation, the described described NFC chip 1 that is retrieved as initiatively obtains, also can make described NFC chip 1 obtain the data message of the operator's sign that comprises described card-reading apparatus support in the described card-reading apparatus according to above-mentioned instruction for described main control module 2 sends instruction to described NFC chip 1 by iic bus.
Receiving element 21 is used to receive that described NFC chip 1 obtains comprises the data message of operator's sign that described card-reading apparatus supports;
The described data message that comprises operator's sign, because the data volume that described data message comprises is bigger, there are a lot of data to be and the irrelevant data of described operator's sign, so 22 pairs of described data messages that comprise operator's sign that receive of the resolution unit of described main control module 2 are resolved, thereby obtain operator's identification information that described card-reading apparatus is supported.
The control module 23 of described main control module 2, parsing obtains after operator's sign of described card-reading apparatus support, will control described SWP switch 3 selects one to identify corresponding SIM card with described operator, for example, described operator is designated telecommunications, and the control module 23 of then described main control module 2 will be controlled the SIM card that described SWP switch is selected a telecommunications, realizes being connected of SIM card of described NFC chip 1 and described telecommunications, further carry out the operation of swiping the card, as operation such as deduct fees.Further, the SIM card of the also predeterminable acquiescence of described main control module 2 is connected with described NFC chip 1, when the operator that does not obtain or do not get access to described card-reading apparatus support identifies, just under acquiescence, select the SIM card of this acquiescence, the benefit of She Zhiing is like this, for example, when the SIM card that moves is to use the most widely SIM card, when described mobile SIM card is set for the acquiescence SIM card, when the operator that gets access to described card-reading apparatus support is designated when mobile, just can reduce described control module, control described SWP switch 3 select one identify corresponding SIM card with described operator this operated, improved the efficient of system works.
Operator that the described a plurality of SIM card of described identification is supported sign is specially main control module 2 in the NFC device of described support plurality of SIM cards and obtains operator's sign that whole SIM card of comprising in the NFC device of described support plurality of SIM cards is supported.Owing to have only when the operator that described SIM card is supported is identical with the operator of described external read card apparatus support, main control module 2 could select SIM card to finish corresponding operation according to the sign of described operator, for example, the SIM card that comprises in the NFC device of described support plurality of SIM cards has the SIM card of telecommunications, the SIM card that moves, the SIM card of UNICOM etc., main control module 2 will get off the identification record of the operator of described SIM card support so, after obtaining operator's sign that described card-reading apparatus supports, just can control the SIM card that described SWP switch 3 is selected described correspondence according to operator's identification information of the SIM card support of described record.
Described a SIM card in a plurality of SIM card is connected to NFC chip 1, be specially indication according to described main control module 2, SWP switch 3 selects to connect a SIM card, at least two SIM card of described SWP switch 3 correspondences, described SWP switch 3 select SIM card be specially by control described SWP switch 3 turn to and being connected and disconnection of described SIM card.
A plurality of SIM card 4 are used for correspondingly with described SWP switch, and one of them that select described a plurality of SIM card 4 by described SWP switch 3 is connected on the described NFC chip 1.
Implement the NFC device of the support plurality of SIM cards of the embodiment of the invention, and the NFC implementation method of supporting plurality of SIM cards, be connected by setting up data with card-reading apparatus, obtain the data message of the operator's sign that comprises described card-reading apparatus support, operator's described SWP switch of sign control of supporting according to described card-reading apparatus is selected the SIM card of the operator that a described card-reading apparatus supports, realizes being connected of described NFC chip and SIM card.By only using a NFC chip to reduce cost, operator's sign of supporting according to the described card-reading apparatus that obtains has realized the described SIM card that links to each other with the NFC chip of automatic selection simultaneously.
With reference to figure 3, be the process flow diagram of first embodiment of the embodiment of the invention NFC implementation method of supporting plurality of SIM cards.Below in conjunction with Fig. 1 to Fig. 3 this method flow process is elaborated.
Step S101 sets up data with the external read card apparatus and is connected.
In this step, describedly set up data with the external read card apparatus and be connected, specifically can be described NFC chip sets up data by the NFC antenna with described card-reading apparatus and is connected, described data connect to be finished by Handshake Protocol, described Handshake Protocol comprises: ISO/IEC 14443A, ISO/IEC 14443B, ISO/IEC 15693/ICODEVCD, NFC-IP1 ﹠amp; NFC-IP2 protocols etc.
Step S102 obtains the data message that comprises operator's sign that described card-reading apparatus supports.
In this step, the described data message that obtains the operator's sign that comprises described card-reading apparatus support, for described NFC chip obtains the described data message that comprises operator's sign of described card-reading apparatus support by modulation, specifically can be described NFC chip initiatively obtains, also can make described NFC chip obtain the data message of the operator's sign that comprises described card-reading apparatus support in the described card-reading apparatus according to above-mentioned instruction for described main control module sends instruction to described NFC chip by iic bus.
Step S103, operator's sign of supporting according to described card-reading apparatus is selected the SIM card of the operator that a described card-reading apparatus supports, to realize being connected of described NFC chip and selected SIM card.
In this step, the described operator that supports according to described card-reading apparatus identifies the SIM card of the operator that supports by described card-reading apparatus of the described SWP switch selection of control, to realize being connected of described NFC chip and selected SIM card, be specially described main control module and receive the data message that described NFC chip obtains the operator's sign that comprises described card-reading apparatus support, the described data message that comprises operator's sign, because the data volume that described data message comprises is bigger, there are a lot of data to be and the irrelevant data of described operator's sign, so described main control module is by resolving the described data message that comprises operator sign that receives, thereby obtain operator's sign that described card-reading apparatus is supported.Parsing obtains after operator's sign of described card-reading apparatus support, will control described SWP switch selects one to identify corresponding SIM card with described operator, for example, described operator is designated telecommunications, then described main control module will be controlled the SIM card that described SWP switch is selected a telecommunications, realize being connected of SIM card of described NFC chip and described telecommunications, further carry out the operation of swiping the card, as operation such as deduct fees, further described main control module is selected one with before described operator identifies corresponding SIM card at the described SWP switch of control, obtain and write down operator's sign that each SIM card of described SWP correspondence is supported, the SIM card that telecommunications is for example arranged in the SIM card wherein, the SIM card that moves, the SIM card of UNICOM etc. are also got off the identification record of the operator of described SIM card support, after obtaining operator's sign that described card-reading apparatus supports, just can control the SIM card that described SWP switch is selected described correspondence according to operator's identification information of the SIM card support of described record.The further described main control module also SIM card of a default acquiescence is connected with described NFC chip, when the operator that does not obtain or do not get access to described card-reading apparatus support identifies, just under acquiescence, select the SIM card of this acquiescence, the benefit of She Zhiing is like this, for example, when the SIM card that moves is to use the most widely SIM card, when described mobile SIM card is set for the acquiescence SIM card, when the operator that gets access to described card-reading apparatus support is designated when mobile, just can reduce the described SWP switch of control select one identify corresponding SIM card with described operator this operated, improved the efficient of system works.
Implement the NFC device of the support plurality of SIM cards of the embodiment of the invention, and the NFC implementation method of supporting plurality of SIM cards, be connected by setting up data with card-reading apparatus, obtain the data message of the operator's sign that comprises described card-reading apparatus support, operator's described SWP switch of sign control of supporting according to described card-reading apparatus is selected the SIM card of the operator that a described card-reading apparatus supports, realizes being connected of described NFC chip and SIM card.By only using a NFC chip to reduce cost, operator's sign of supporting according to the described card-reading apparatus that obtains has realized the described SIM card that links to each other with the NFC chip of automatic selection simultaneously.
With reference to figure 4, be the process flow diagram of second embodiment of the embodiment of the invention NFC implementation method of supporting plurality of SIM cards.As shown in Figure 4, this method may further comprise the steps:
Step S201 discerns operator's sign that described a plurality of SIM card is supported.In the specific implementation, this step is optional.
In this step, operator that the described a plurality of SIM card of described identification is supported sign is specially main control module in the NFC device of described support plurality of SIM cards and obtains operator's sign that whole SIM card of comprising in the NFC device of described support plurality of SIM cards is supported.Owing to have only when the operator that described SIM card is supported is identical with the operator of described external read card apparatus support, main control module could select SIM card to finish corresponding operation according to the sign of described operator, for example, the SIM card that comprises in the NFC device of described support plurality of SIM cards has the SIM card of telecommunications, the SIM card that moves, the SIM card of UNICOM etc., main control module will get off the identification record of the operator of described SIM card support so, after obtaining operator's sign that described card-reading apparatus supports, just can control the SIM card that described SWP switch is selected described correspondence according to operator's identification information of the SIM card support of described record.
Step S202 to S203 is corresponding one by one and identical with the method step S101 to S102 described in described Fig. 3, does not just add at this and gives unnecessary details.
Step S204, the data message that comprises operator's sign that described card-reading apparatus supports that receives that described NFC chip obtains.
In this step, the data message of the operator's sign that comprises described card-reading apparatus support that the described NFC chip of described reception obtains, for described control module receives the data message that described NFC chip obtains the operator's sign that comprises described card-reading apparatus support, described data message amount is bigger, and described operator sign is a part of data of this data message just.
Step S205 resolves the described data message that comprises operator's sign, obtains described operator sign.
Because described to comprise the data volume that comprises in the data message of operator sign bigger, not only include above-mentioned operator identification information, also comprising a lot of data is and the irrelevant data of described operator's sign, so described main control module gets access to that described NFC chip obtains comprise the data message of operator's sign that described card-reading apparatus supports after, need resolve the described data message that comprises operator's sign that receives, obtain operator's identification information that described card-reading apparatus is supported operator's data message from described comprising.
Step S206, select one with the corresponding SIM card of described operator sign, realize being connected of described NFC chip and SIM card.
Concrete, select one to identify corresponding SIM card by controlling described SWP switch with described operator, realize being connected of described NFC chip and SIM card, being specially described main control module resolves after the operator's sign that obtains described card-reading apparatus support, select one to identify corresponding SIM card by controlling described SWP switch with described operator, for example, described operator is designated telecommunications, then described main control module will be controlled the SIM card that described SWP switch is selected a telecommunications, realize being connected of SIM card of described NFC chip and described telecommunications, further carry out the operation of swiping the card, as operation such as deduct fees, the further described main control module also SIM card of a default acquiescence is connected with described NFC chip, when the operator that does not obtain or do not get access to described card-reading apparatus support identifies, just under acquiescence, select the SIM card of this acquiescence, the benefit of She Zhiing is like this, for example, when the SIM card that moves is to use the most widely SIM card, when described mobile SIM card is set for the acquiescence SIM card, when the operator that gets access to described card-reading apparatus support is designated when mobile, just can reduce control described SWP switch select one identify corresponding SIM card with described operator this operated, improved the efficient of system works.
Implement the NFC device of the support plurality of SIM cards of the embodiment of the invention, and the NFC implementation method of supporting plurality of SIM cards, be connected by setting up data with card-reading apparatus, obtain the data message of the operator's sign that comprises described card-reading apparatus support, operator's described SWP switch of sign control of supporting according to described card-reading apparatus is selected the SIM card of the operator that a described card-reading apparatus supports, realizes being connected of described NFC chip and SIM card.By only using a NFC chip to reduce cost, operator's sign of supporting according to the described card-reading apparatus that obtains has realized the described SIM card that links to each other with the NFC chip of automatic selection simultaneously.
With reference to figure 5, be the structural representation of embodiment of the invention portable terminal, as shown in Figure 5, embodiment of the invention portable terminal mainly comprises the NFC device 51 of supporting plurality of SIM cards.
Described portable terminal is a portable terminal that the wireless near field communication business is provided, the NFC device 51 of the support plurality of SIM cards that described portable terminal comprises comprises NFC antenna, NFC chip, main control module and SWP switch for the NFC device of the foregoing description with reference to figure 1 described support plurality of SIM cards.The function of each functional module and structure are identical with above-mentioned Fig. 1, at this, repeat no more.
With reference to figure 6, it is the system chart of the portable terminal of embodiment of the invention double SIM card, as shown in Figure 6, the portable terminal of described embodiment of the invention double SIM card comprises NFC antenna, NFC chip, main control module, SWP switch, LCD, Power Management Unit, SIM card A, SIM card B, baseband chip A, baseband chip B, radio frequency unit A and radio frequency unit B.The function of described NFC antenna, NFC chip, main control module and SWP switch and structure are with identical with reference to the NFC device of figure 1 described support plurality of SIM cards, each functional module of remaining of the portable terminal of described embodiment of the invention double SIM card is same as the prior art, just repeats no more here.
Implement the NFC device of the support plurality of SIM cards of the embodiment of the invention, and the NFC implementation method of supporting plurality of SIM cards, be connected by setting up data with card-reading apparatus, obtain the data message of the operator's sign that comprises described card-reading apparatus support, operator's described SWP switch of sign control of supporting according to described card-reading apparatus is selected the SIM card of the operator that a described card-reading apparatus supports, realizes being connected of described NFC chip and SIM card.By only using a NFC chip to reduce cost, operator's sign of supporting according to the described card-reading apparatus that obtains has realized the described SIM card that links to each other with the NFC chip of automatic selection simultaneously.
Above disclosed is preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (11)
1, a kind of NFC device of supporting plurality of SIM cards is characterized in that, comprising:
A NFC chip is used for setting up data with the external read card apparatus and is connected, and obtains the data message of the operator's sign that comprises described card-reading apparatus support;
A SWP switch is used for a SIM card of a plurality of SIM card is connected to described NFC chip;
A main control module, the operator's described SWP switch of sign control that is used for supporting according to described card-reading apparatus are selected the SIM card of the operator that a described card-reading apparatus supports, realize being connected of described NFC chip and SIM card.
2, device as claimed in claim 1 is characterized in that, described main control module comprises:
Receiving element is used to receive that described NFC chip obtains comprises the data message of operator's sign that described card-reading apparatus supports;
Resolution unit is used to resolve the described data message that comprises operator's sign, obtains described operator sign;
Control module is used to control described SWP switch and selects one to identify corresponding SIM card with described operator, realizes being connected of described NFC chip and SIM card.
3, device as claimed in claim 2 is characterized in that, described main control module further comprises:
Recognition unit is used to discern operator's sign that described a plurality of SIM card is supported.
4, as each described device of claim 1 to 3, it is characterized in that, further comprise:
A NFC antenna is used for being connected with described NFC chip, is connected so that described NFC chip is set up data by this NFC antenna with the external read card apparatus.
5, a kind of NFC implementation method of supporting plurality of SIM cards is characterized in that, comprising:
Setting up data with the external read card apparatus is connected;
Obtain the data message of the operator's sign that comprises described card-reading apparatus support;
Operator's sign of supporting according to described card-reading apparatus is selected the SIM card of the operator that a described card-reading apparatus supports, to realize being connected of described NFC chip and selected SIM card.
6, method as claimed in claim 5, it is characterized in that, described operator's sign of supporting according to described card-reading apparatus is selected a corresponding SIM card of supporting with described card-reading apparatus of operator, realizes further comprising before described NFC chip and being connected of SIM card:
Discern operator's sign that described a plurality of SIM card is supported.
7, method as claimed in claim 5 is characterized in that, further comprises:
Described NFC chip is realized being connected by a SWP switch with described selected SIM card.
8, method as claimed in claim 7 is characterized in that, described operator's sign of supporting according to described card-reading apparatus is selected the SIM card of the operator of a described card-reading apparatus support, realizes comprising described NFC chip and being connected specifically of SIM card:
The data message that comprises operator's sign that described card-reading apparatus supports that receives that described NFC chip obtains;
Resolve the described data message that comprises operator's sign, obtain described operator sign;
Select one with the corresponding SIM card of described operator sign, realize being connected of described NFC chip and SIM card.
As any described method of claim 5 to 8, it is characterized in that 9, described and card-reading apparatus are set up data and be connected and comprise:
Described NFC chip is set up data by the NFC antenna with described card-reading apparatus and is connected, and described data connect to be reached by Handshake Protocol.
10, method as claimed in claim 9 is characterized in that, further comprises:
The SIM card and the described NFC chip of a default acquiescence connect.
11, a kind of portable terminal is characterized in that, comprises the NFC device of any described support plurality of SIM cards of claim 1 to 4.
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| CN2009101920772A CN101639890B (en) | 2009-09-04 | 2009-09-04 | Movable terminal, NFC device supporting a plurality of SIM cards and implementation method |
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| CN2009101920772A CN101639890B (en) | 2009-09-04 | 2009-09-04 | Movable terminal, NFC device supporting a plurality of SIM cards and implementation method |
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| US10244372B2 (en) | 2010-12-15 | 2019-03-26 | Stmicroelectronics (Rousset) Sas | Method and device for managing information exchange between a main element, for example a NFC controller, and a set of at least two auxiliary elements |
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| CN112711955A (en) * | 2020-04-08 | 2021-04-27 | 深圳市文鼎创数据科技有限公司 | NFC information transmission method, NFC information transmission device and NFC terminal |
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