CN203858651U - Subscriber identity module - Google Patents
Subscriber identity module Download PDFInfo
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- CN203858651U CN203858651U CN201420083806.7U CN201420083806U CN203858651U CN 203858651 U CN203858651 U CN 203858651U CN 201420083806 U CN201420083806 U CN 201420083806U CN 203858651 U CN203858651 U CN 203858651U
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- sim card
- nfc
- chip
- swp
- sim
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- 230000006698 induction Effects 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 17
- 230000001939 inductive effect Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a subscriber identity module (SIM). The SIM integrates near field communication (NFC) functions and SIMPASS functions and comprises a near field communication single wire protocol (NFC-SWP) chip, a dual-interface safety chip and an external induction antenna, wherein the NFC-SWP chip is connected with a programming voltage base pin of the SIM, the dual-interface safety chip is connected with two reserved high-speed interface base pins of the SIM and is connected with the NFC-SWP chip, and the external induction antenna is pasted at a back face of an SIM base.
Description
Technical Field
The utility model relates to a mobile communication technology especially relates to a Subscriber Identity Module (SIM) card.
Background
The current mobile terminal SIM cards mainly have three types: 1) the traditional SIM card can only realize the functions of traditional user identity identification and the like; 2) the SIMPASS card is also called a dual-interface card, is a multifunctional SIM card, has two working interfaces of contact and non-contact, the contact interface can realize the function of the traditional SIM card, and the non-contact interface can realize the payment function, such as electronic cash, electronic coupons, all-purpose cards and the like; 3) the NFC-SWP SIM card uses a non-contact short-distance Communication technology, combines technical characteristics of non-contact induction, wireless connection and the like, can realize functions of micropayment, electronic ticketing, identity recognition, mobile advertisement and the like related to mobile payment, and can be used in multiple fields of financial consumption, public transportation and the like, such as a mobile one-card function, support of electronic coupon service and identity recognition, life payment application and electronic cash application of a financial Integrated Circuit (IC) card.
At present, more and more mobile terminal users need to use the mobile payment function, and the traditional SIM card can not meet the service requirements of the users; while the SIMPASS card is only suitable for a non-Near-field communication (NFC) terminal, the NFC-SWP SIM card is only suitable for an NFC terminal, and the two SIM cards cannot be used universally, so that the use of a user is limited to a great extent, and meanwhile, the card manufacturing, production and management costs are increased.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a SIM card can be applicable to NFC terminal and non-NFC terminal simultaneously, can realize that many interfaces support, has unified SIM card operating system.
The technical scheme of the utility model is realized like this:
the utility model provides a SIM card, this SIM card includes: the NFC-SWP chip, the double-interface security chip and the external induction antenna are connected with the external induction antenna; a Single Wire Protocol (SWP) pin in the NFC-SWP chip is connected with a programming voltage pin of the SIM card;
the non-contact pins in the double-interface security chip are connected with two reserved high-speed interface pins of the SIM card and are connected with the NFC-SWP chip;
the external induction antenna is pasted on the front surface of the SIM card and connected with the SIM card.
In the above scheme, the programming voltage pin of the SIM card is connected to the SWP pin of a Contactless Front end (CLF) chip in the mobile terminal.
In the above scheme, the communication interface of the dual-interface security chip is connected to the communication interface of the NFC-SWP chip, and the dual-interface security chip is further connected to a communication chip in the mobile terminal.
In the above scheme, the two contacts of the external inductive antenna are connected with the two reserved high-speed interface pins of the SIM card.
In the above scheme, the external inductive antenna is: and the non-NFC terminal is provided with an external induction antenna with an NFC function.
The utility model provides a SIM card, this SIM card includes: the NFC-SWP chip comprises an NFC-SWP chip, a double-interface security chip and an external induction antenna, wherein an SWP pin in the NFC-SWP chip is connected with a programming voltage pin of the SIM card, non-contact pins in the double-interface security chip are connected with two reserved high-speed interface pins of the SIM card and are connected with the NFC-SWP chip, the external induction antenna is pasted on the front surface of the SIM card, and two contacts of the external induction antenna are connected with the two reserved high-speed interface pins of the SIM card; therefore, the application range of the SIM card is wider, the SIM card is basically suitable for all NFC terminals and non-NFC terminals in the market, the trouble of replacing the SIM card is avoided for a user, and meanwhile, the card manufacturing, generating and managing costs are also reduced.
Drawings
Fig. 1 is a schematic structural diagram of a SIM card provided in an embodiment of the present invention;
fig. 2 is a schematic view of a connection structure between a SIM card and a mobile terminal according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a SIM card attached with an external inductive antenna according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a work flow when the NFC terminal according to an embodiment of the present invention uses the SIM card;
fig. 5 is a flowchart illustrating a working process when the non-NFC terminal according to an embodiment of the present invention uses the SIM card;
fig. 6 is a detailed diagram of steps of attaching an external inductive antenna to a SIM card and installing the external inductive antenna to a non-NFC terminal according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the utility model provides a realize a SIM card 30, as shown in fig. 1-2, this SIM card 30 has integrated NFC function and SIMPASS function, include: the NFC-SWP chip comprises an NFC-SWP chip 10, a double-interface security chip 11 and an external induction antenna 12; wherein,
the SWP pin of the NFC-SWP chip 10 is connected to a programming voltage VPP pin, that is, a sixth pin C6, among 8 pins of the SIM card 30;
the non-contact pins LA and LB of the dual-interface security chip 11 are connected to two reserved high-speed interface pins, i.e., a fourth pin C4 and an eighth pin C8, of the 8 pins of the SIM card 30; a communication interface of the dual-interface security chip 11 is connected with a communication interface of the NFC-SWP chip 10, the communication between the dual-interface security chip 11 and the NFC-SWP chip 10 adopts a standard ISO7816 protocol, specific pin connections are different according to different types of chips used, and the types of chips used are not limited herein;
the external induction antenna is adhered to the front surface of the SIM card, and two contacts of the external induction antenna are connected with two reserved high-speed interface pins of the SIM card;
a general NFC terminal integrates a built-in NFC antenna 22, as shown in fig. 2, a sixth pin C6 of the SIM card 30 is further connected to an SWP pin of a Contactless Front-end (CLF) chip 20 in a mobile terminal 40 (the mobile terminal shown in fig. 2 is an NFC terminal), and communication between the SIM card 30 and the CLF chip 20 adopts a Single Wire Protocol (SWP); the CLF chip 20 is configured to control the NFC antenna 22, and send a signal received by the NFC antenna 22 to the SIM card 30, where the operating frequency of the NFC antenna 22 is 13.56 MHz; when the mobile terminal 40 is a non-NFC terminal (not shown in the figure), the CLF chip 20 and the NFC antenna 22 are not included in the mobile terminal 40; the dual-interface security chip 11 is further connected to a communication chip 21 in the mobile terminal 40, and the communication chip 21 is a basic chip used by the mobile terminal 40 for performing telephone communication, and is used for interacting with the SIM card 30 to complete the network authentication work of the SIM card 30.
When the SIM card 30 is inserted into a general non-NFC terminal, since there is no antenna in the non-NFC terminal, the NFC function cannot be used, the external inductive antenna 12 of the SIM card 30 provided in the embodiment of the present invention is used to superimpose an NFC function on the non-NFC terminal, which is equivalent to adding an NFC antenna to the non-NFC terminal, so that the NFC function can be realized; the external sensing antenna 12 is connected to the fourth pin C4 and the eighth pin C8 of the SIM card 30, and transmits signals to the dual-interface security chip 11 through the two pins C4 and C8.
Fig. 3 is a schematic structural diagram of a SIM card 30 to which the external inductive antenna 12 is attached, and the left side of fig. 3 shows a SIM card holder 31 in the terminal; the external induction antenna 12 is adhered to the front surface of the SIM card, the external induction antenna 12 is connected with the fourth pin C4 and the eighth pin C8 of the SIM card 30, and mutually transmits signals with the dual-interface security chip on the SIM card 30 through the pins C4 and C8; the less one end of external induction antenna 12 area is pasted in the front of SIM card 30, two contacts of external induction antenna with the fourth pin C4 and the eighth pin C8 of SIM card 30 link to each other, and the great one end of area can be according to the position of SIM draw-in groove in the mobile terminal paste in positions such as mobile terminal's panel or mobile terminal back casing, the utility model discloses it is right external induction antenna's the position of pasting does not do the injecing.
When the NFC terminal uses the utility model provides a when SIM card pays, the work flow chart is as shown in figure 4, including following step:
step 401: inserting the SIM card into the NFC terminal;
specifically, the SIM card does the utility model provides an integrated SIM card of NFC function and SIMPASS function.
Step 402: the SIM card detects that the terminal supports the NFC function, and starts working;
specifically, when the NFC-SWP chip on the SIM card detects that an SWP protocol signal is present on the SWP pin, it is determined that the terminal supports the NFC function, and the NFC mode is automatically switched to, and when the terminal needs to implement the NFC function, the NFC antenna in the NFC terminal transfers the SWP protocol signal to the sixth pin C6 of the SIM card through the SWP pin of the CLF chip, and then transfers the SWP protocol signal to the NFC-SWP chip through the C6, so as to implement the NFC function.
Step 403: opening a mobile terminal wallet client on the NFC terminal, and downloading a mobile terminal wallet application;
specifically, a mobile terminal wallet client, such as a china mobile phone wallet client, is opened on the NFC terminal, and a mobile terminal wallet application is downloaded through the client.
Step 404: writing the mobile terminal wallet application into an NFC-SWP chip;
step 405: payment is carried out through the NFC terminal;
specifically, when the user needs to use the mobile terminal to pay, the wallet application of the mobile terminal is opened, the NFC terminal with the effective SIM card inserted is used for paying, and the NFC terminal is provided with the NFC antenna, so that the payment can be realized only by enabling the NFC terminal to be close to the payment equipment.
When non-NFC terminal uses the utility model provides a when the SIM card, the work flow is as shown in figure 5, including following step:
step 501: pasting an external induction antenna on the SIM card;
specifically, one end of the external induction antenna, which has a smaller area and is matched with the size of the SIM card, is adhered to the back of the card base.
Step 502: inserting the SIM card into a non-NFC terminal, and downloading the wallet application of the mobile terminal;
specifically, the downloading of the mobile terminal wallet application in this step is similar to steps 403 and 404 of the NFC terminal embodiment described above, and the mobile terminal wallet application is downloaded through the mobile terminal wallet client.
Step 503: the SIM card detects that the terminal is a non-NFC terminal and automatically switches to an external induction antenna mode;
specifically, when the SIM card detects that there is no SWP protocol signal on the sixth pin C6, it is determined that the SIM card adopts an external inductive antenna mode, and the external inductive antenna transmits a signal to the dual-interface security chip on the SIM card through the fourth pin C4 and the eighth pin C8 of the SIM card, so that the non-NFC terminal realizes an NFC function.
Step 504: payment is carried out through the external induction antenna;
specifically, when a user needs to use the mobile terminal for payment, the wallet application of the mobile terminal on the terminal is opened, and the SIM card is automatically switched to work in an external induction antenna mode to complete the payment; because external induction antenna for the non-NFC terminal has superposed the NFC function, consequently, the non-NFC terminal is close to payment equipment and also can realize the NFC payment function.
Fig. 6 a-d are detailed diagrams illustrating steps of attaching an external inductive antenna to a SIM card and mounting the SIM card to a non-NFC terminal according to an embodiment of the present invention;
in the drawing a, the SIM card 30 to which the external induction antenna is attached is installed in the SIM card holder 31, wherein the external induction antenna is attached to the front surface of the SIM card, and the contact of the external induction antenna is connected to the fourth pin C4 and the eighth pin C8 of the SIM card; b, bending the external induction antenna according to the installation position; c illustrates inserting the SIM card holder 31 with the SIM card 30 mounted therein into the card slot of the mobile terminal; d, pasting the external induction antenna on the back shell of the mobile terminal;
because the mobile terminal has various designs, the pasting and installing steps are only exemplary and are not used for limiting the pasting position of the external induction antenna on the mobile terminal, and a user can select a proper position to paste the external induction antenna according to the position of the SIM card slot in the mobile terminal.
The utility model discloses on integrating NFC function and SIMPASS function to a SIM card, this SIM card combines NFC-SWP chip, two interface security chips and external induction antenna, makes NFC terminal and non-NFC terminal can both pass through the payment function of mobile terminal is realized to the SIM card, the NFC mode and the SIMPASS mode of SIM card are compatible, and use unified card operating system, through the automated inspection of SIM card realizes automatic mode switching, can support multiple interface moreover, uses development Tool (STK, SIM Tool Kit) interface like client interface and user identification.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A subscriber identity module, SIM, card, comprising: the system comprises a near field communication-single wire protocol NFC-SWP chip, a double-interface security chip and an external induction antenna; wherein,
a single wire protocol SWP pin in the NFC-SWP chip is connected with a programming voltage pin of the SIM card;
the non-contact pins in the double-interface security chip are connected with two reserved high-speed interface pins of the SIM card and are connected with the NFC-SWP chip;
the external induction antenna is pasted on the front surface of the SIM card and connected with the SIM card.
2. The SIM card of claim 1, wherein the programming voltage pin of the SIM card is connected to the SWP pin of a contactless front-end CLF chip in a mobile terminal.
3. The SIM card of claim 2, wherein the communication interface of the dual-interface security chip is connected to the communication interface of the NFC-SWP chip, and the dual-interface security chip is further connected to a communication chip in a mobile terminal.
4. The SIM card of claim 3, wherein the two contacts of the external inductive antenna are connected to two reserved high-speed interface pins of the SIM card.
5. The SIM card of claim 4, wherein the external inductive antenna is: and the non-NFC terminal is provided with an external induction antenna with an NFC function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083806.7U CN203858651U (en) | 2014-02-26 | 2014-02-26 | Subscriber identity module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083806.7U CN203858651U (en) | 2014-02-26 | 2014-02-26 | Subscriber identity module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858651U true CN203858651U (en) | 2014-10-01 |
Family
ID=51608494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420083806.7U Expired - Lifetime CN203858651U (en) | 2014-02-26 | 2014-02-26 | Subscriber identity module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203858651U (en) |
-
2014
- 2014-02-26 CN CN201420083806.7U patent/CN203858651U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |
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| CX01 | Expiry of patent term |