CN201780601U - Telecom smart card realizing near field communication function - Google Patents
Telecom smart card realizing near field communication function Download PDFInfo
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- CN201780601U CN201780601U CN 201020517365 CN201020517365U CN201780601U CN 201780601 U CN201780601 U CN 201780601U CN 201020517365 CN201020517365 CN 201020517365 CN 201020517365 U CN201020517365 U CN 201020517365U CN 201780601 U CN201780601 U CN 201780601U
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Abstract
The utility model discloses a telecom smart card realizing a near field communication function, which comprises a card base, a subscriber identity module (SIM) card module and an antenna layer, wherein a near field communication (NFC) chip is internally embedded in the SIM card module, the SIM card module is arranged on the card base, and the SIM card module is provided with two reserved contacts and six functional contacts. The antenna layer comprises a coil part, a connection part and a card contact part, which are integrated into a whole. The card contact part is stuck on the card base. The telecom smart card is characterized in that a new contact is added in a blank area of the card base, the NFC chip realizes the receiving and transmitting of a radio frequency signal through two of the new contacts and sequentially realizes the control of the power source and the signal transmission respectively through the third contact and fourth contact. By adding the NFC chip and contacts, a telecom smart card which has NFC function and is compatible with the NFC cell phone is realized. In addition, the problems in the prior art, such as the reserved contact of SIM card is occupied and the contact between the antenna contact and the correspondent contact of the SIM card is unfavorable are solved.
Description
Technical field
The utility model relates to the mobile communication equipment field, relates in particular to a kind of telecom intelligent card that contains the near-field communication chip.
Background technology
Mobile payment is also referred to as mobile-phone payment, allows the user to use its portable terminal (normally mobile phone) that a kind of method of service that account is paid is carried out in the commodity or the service of being consumed exactly.Whole mobile payment value chain comprises mobile operator, payment services merchant, application provider, equipment supplier, system integrator, businessman and terminal user.At present mobile payment service adopts 13.56MHz and 2.4GHz standard mostly, and implementation mainly contains two kinds of DIC (Dual Interface Card, double-interface card) and NFC (Near Field Communication, near-field communication).
The DIC scheme is passed through SIM (Subscriber Identification Module, the personal identifier module) Ka transformation and upgrading realize mobile payment function, solved mobile payment service based on the NFC scheme to the problem that mobile phone terminal too relies on, made the more aggressive promotion and application that participate in mobile payment service of mobile operator.The deficiency of DIC scheme has been to take the reservation pin C4 and the C8 that will be used for the high-capacity and high-speed business in the SIM card, simultaneously, its storage and arithmetic capability rely on the SIM card chip, and there is not initiatively power supply, can only work in passive communication mode, do not have read write line function and point communications functionality, be difficult to transfer the mobile phone hardware resource, range of application is restricted.
NFC and DIC are main is not both integrated NFC chip and antenna in mobile phone, SIM card is not done change, this makes the NFC mobile phone can the calling mobile phone hardware resource, has the wireless near field communication ability again, possess read write line, label and three kinds of application models of point-to-point communication, range of application is very wide, but this scheme has got around the mobile operator that is in key position in the mobile payment value chain, simultaneously, the user must change mobile phone terminal, make its compatible NFC standard, this all certainly will influence popularizing based on the mobile payment service of NFC scheme.Adopt SWP (Single Wire Protocol, single-wire-protocol) the NFC scheme of new generation of standard is by independent C6 pin realization NFC chip and the full-duplex communication between the SIM card, need not to take two reserved contacts in the SIM card, and security function placed in the SIM card realize.
For fear of the dependence of mobile payment function to the mobile phone terminal type, and in the complete mobile payment solution of SIM card realization, two interfaces of main flow and full card solution have all inevitably taken two reserved contacts C4 and the C8 in the SIM card, simultaneously, the physical location of two reserved contacts of C4 and C8 in the SIM card module determined all to have the bad reliability hidden danger that electrically contacts between the antenna contacts and above-mentioned two contacts in the prior art.
At present, also do not occur on the market including the NFC chip, have the wireless near field communication ability, and the telecom intelligent card of energy and NFC handset compatibility.
Summary of the invention
The purpose of this utility model is to provide a kind of telecom intelligent card of realizing near field communication (NFC) function, and this telecom intelligent card possesses the wireless near field communication function, simultaneously, can make it be directly used in the NFC mobile phone terminal.
A kind of telecom intelligent card of realizing near field communication (NFC) function that the utility model provides, comprise card base, SIM card module and antenna stack, the SIM card module is arranged on the described card base, the SIM card module is provided with two reserved contacts and six function contacts, antenna stack comprises coiler part and the card contact part that is connected with described coiler part by the coupling part, and card contact part sticks on the described card base;
It is characterized in that coiler part, coupling part and card contact part are as a whole; Contain SIM card chip and NFC chip in the SIM card module, carry out full-duplex communication by single-wire-protocol SWP between SIM card chip and the NFC chip, be provided with at least one newly-increased contact in the clear area of described card base.
The telecom intelligent card that the utility model provides possesses the wireless near field communication function, simultaneously, by peeling off antenna stack, can make it be directly used in the NFC mobile phone terminal.Use the NFC function must change the problem of mobile phone terminal at present if solved, and this type of telecom intelligent card can't be used for the problem of NFC mobile phone terminal, in addition, solve the occupied problem of antenna contacts loose contact and reserved contacts.Particularly, the utlity model has following technical characterstic:
(1) in structure of the present utility model, described SIM card chip can carry out freely arranging in residing position on the card base with the NFC chip according to different needs and occasion; On a signal wire, realize full duplex communication by the SWP agreement between described SIM card chip and the NFC chip.The clear area of described card base all can be used for the placement of newly-increased contact, wherein, by the physical location of described six function contacts and in draw-in groove stressing conditions can learn that it will be more reliable and more stable that newly-increased contact is positioned in the clear area that these six function contacts are surrounded.These newly-increased contacts will be used for the transmission of signal and processing and energy and supply with under stability under loading, the firm situation of contact, realize expanded functions such as contactless communication and high-speed downloads, solved loose contact in the prior art, reserved contacts is occupied and equipment room can't compatible problem.
(2) when newly-increased contact be three or three when above, the utility model possesses NFC function and compatible mutually with the NFC mobile phone.This smart card possesses the wireless near field communication ability, can realize the read write line function under aggressive mode, can realize the tag identifier function under Passive Mode, and realizes point communications functionality at equipment room.By peeling off the antenna stack of this telecom intelligent card, this telecom intelligent card can be directly used in the NFC mobile phone, can be under the prerequisite that does not influence the NFC cell-phone function operate as normal.In addition, be connected by the antenna contacts on card contact part and described two newly-increased contacts of blocking in the basic clear area, solved two occupied problems of reserved contacts in the SIM card module, simultaneously, realized stablizing firm being electrically connected between antenna contacts and the SIM card contact.
Description of drawings
Fig. 1 be three under the situation of newly-increased contact the card base and the synoptic diagram of SIM card module.
Fig. 2 is the synoptic diagram of present each chip chamber power supply mode.
Fig. 3 is the synoptic diagram of each chip chamber power supply mode that the utility model adopted.
Fig. 4 is the synoptic diagram of antenna stack as NFC chip power switch.
Fig. 5 is three antenna stack synoptic diagram under the situation of contact.
Fig. 6 is three and increases the connection diagram between chip and contact under the situation of contact.
Fig. 7 be four under the situation of newly-increased contact the card base and the synoptic diagram of SIM card module.
Fig. 8 is four antenna stack synoptic diagram that increase under the situation of contact.
Fig. 9 is the connection diagram between chip and contact under four newly-increased contact situations.
Embodiment
Below by by embodiment and accompanying drawing the utility model being described in further detail, but following examples only are illustrative, and protection domain of the present utility model is not subjected to the restriction of these embodiment.
As shown in Figure 1, the telecom intelligent card of the realization NFC function that provides of present embodiment comprises:
Block basic D, be arranged at SIM card module 400 and antenna stack on the basic D of described card.
Usually, the card base is the base material of carrying SIM card chip or the electronic packaging that adopts the encapsulation of SiP (System in a Package) technology to form; SIM card contact definition meets the integrated circuit card standard of ISO7816 contact-carrying, and the SIM card module is provided with 2 reserved contacts and 6 function contacts, and (be C1-C3, C5-C7), C1 wherein, C2, C3, C5, five contacts of C7 are conventional SIM card contacts; C1 provides power supply as VCC (power contact) for inner each functional module of described SIM card, and C6 is ineffective as VPP (high pressure programming contact); C4 and C8 have been expanded to the high-speed interface of SIM card of new generation by International Standards Organization.Zone in the existing SIM card module between each contact comprises clear area and ground area, and the ground area is used to connect earthing contact C5 (GND).
Generally speaking, present existing near-field communication solution all adopts chip power supply mode as shown in Figure 2, this power supply mode is connected in series NFC chip and SIM card chip, the NFC chip is prior to the SIM chip power supply, and the duty of NFC chip will influence the supply of electrical energy of SIM card chip, the utility model adopts power supply mode as shown in Figure 3, NFC chip and SIM card chip are connected in parallel, NFC chip and SIM card chip are powered simultaneously, there is not powering order, duty each other can not influence each other, simultaneously, as shown in Figure 4, antenna stack described in the utility model will be as the power switch of NFC chip, and when peeling off antenna stack, described NFC chip is owing to power circuit interrupts losing efficacy, but described SIM card chip still can operate as normal, thereby reaches the effect that SIM card described in the utility model can be directly used in the NFC mobile phone terminal.
The utility model is concentrated the ground area and is narrowed down to earthing contact C5, is not influencing under the normal situation about using of SIM card, obtains stressed idle uniformly zone, and described stressed uniformly idle zone is described six zones that the function contact is surrounded.Should go up the clear area that existing idle zone is referred to as the card base with the card base in idle zone, be used for increasing newly laying of contact.
In the utility model one preferred embodiment, be provided with three newly-increased contacts in the clear area of the basic D of described card.Shown in Figure 6 as Fig. 5, two surfaces, each contact on the card contact part 300 all are covered with conductive material, card contact part 300 is all identical with contact position with shape and both the contact numbers of the basic D of card, links to each other by adhesive sticker between the two, and all keep in touch the contact of correspondence position.Electrical power by-pass contact 320 on the described card contact part 300 is connected with power contact C1 ' on the described card contact part 300; Copper is covered on 310 pairs of surfaces of the antenna contacts of card contact part 300, two newly-increased contacts 410 in the clear area of described antenna contacts 310 and the basic D of described card are connected respectively, two radio-frequency antenna contacts 510 in the NFC chip are connected respectively with described two newly-increased contacts 410, thereby realize reception, transmission and the processing of non-contact radio-frequency signal; Newly-increased contact 420 on electrical power by-pass contact 320 on the card contact part 300 and the basic D of described card is connected by conductive coating, and the newly-increased contact 420 in the clear area of the basic D of described card is connected with power contact 520 in the NFC chip; SWP contact 610 in SWP contact 530 in the NFC chip and the SIM card chip is connected with function contact C6 on the SIM card module 400 respectively; The power contact 620 of SIM card chip links to each other with power contact C1 on the SIM card module.Other conventional contacts of NFC chip and SIM card chip directly link to each other with corresponding contact.In addition, the fixed form at antenna contacts place can be taked welding or plating conductive material etc.
In the present embodiment, be connected with electrical power by-pass contact 320 on the described card contact part 300 by the power contact C1 ' on the described card contact part 300 successively, electrical power by-pass contact 320 on the card contact part 300 is connected with newly-increased contact 420 on the described SIM card module 400, and the newly-increased contact 420 on the described SIM card module 400 is connected with power contact 520 in the NFC chip, realize power contact C1 ' on the described card contact part 300 and the connection between the power contact 520 in the described NFC chip, thereby provide described NFC chip operate as normal required energy.
In the present embodiment, if antenna stack is stripped from, its effect synoptic diagram as shown in Figure 4, be that each corresponding on each contact and the described SIM card module 400 on the described card contact part 300 contact is in contactless state, the power supply supply lines of then described NFC chip is cut off, described NFC chip power down immediately and be in failure state, but the SIM card chip still can operate as normal.At this moment, the telecom intelligent card of being stripped from antenna stack can directly apply to the NFC mobile phone terminal, and this telecom intelligent card and the equal energy of NFC mobile phone terminal operate as normal.
Other contacts on the card contact part 300 respectively with described SIM card module 400 on corresponding contact connect so that and the circuit part of portable terminal be electrically connected.
In another preferred embodiment of the present utility model, as shown in Figure 7, be provided with 4 newly-increased contacts in the clear area of the basic D of described card, wherein three newly-increased contacts are identical with the effect and the function of three newly-increased contacts in the foregoing description, another newly-increased contact then is used for realizing the switching function of NFC chip SWP signal circuit, and the employed method of switching function that realizes power supply signal circuit in the NFC chip by a newly-increased contact in its implementation and the foregoing description is similar.
As Fig. 8 and shown in Figure 9, two surfaces, each contact on the card contact part 300 all are covered with conductive material, card contact part 300 is all identical with contact position with shape and both the contact numbers of the basic D of card, links to each other by adhesive sticker between the two, and all keep in touch the contact of correspondence position.Electrical power by-pass contact 320 on the described card contact part 300 is connected with power contact C1 ' on the described card contact part 300; Copper is covered on 310 pairs of surfaces of the antenna contacts of card contact part 300, two newly-increased contacts 410 in the clear area of described antenna contacts 310 and the basic D of described card are connected respectively, radio-frequency antenna contact 510 in the NFC chip is connected respectively with described two newly-increased contacts 410, thereby realizes reception, transmission and the processing of non-contact radio-frequency signal; Newly-increased contact 420 on electrical power by-pass contact 320 on the card contact part 300 and the basic D of described card is connected by conductive coating, and the newly-increased contact 420 in the clear area of the basic D of described card is connected with power contact 520 in the NFC chip; SWP contact 530 in the NFC chip is connected with newly-increased contact 430 in the clear area of the basic D of described card, newly-increased contact 430 also is connected with contact 330 on the card contact part 300 by conductive coating, and the contact 330 on the described card contact part 300 is connected with contact C6 ' on the described card contact part 300.SWP contact 610 in the SIM card chip is connected with function contact C6 on the SIM card module 400.
Other conventional contacts of NFC chip and SIM card chip directly link to each other with corresponding contact.In addition, the fixed form at antenna contacts place can be taked welding or plating conductive material etc.
Telecom intelligent card in the present embodiment is except possessing all functions that telecom intelligent card had and the characteristics among the last embodiment, also the SWP signal circuit of NFC chip is transformed, realized the switching function of SWP signal circuit in the NFC chip by a newly-increased contact.
In the present embodiment, if antenna stack is stripped from, be that each corresponding on each contact and the described SIM card module 400 on the described card contact part 300 contact is in contactless state, the power supply supply lines and the SWP signal circuit of then described NFC chip are disconnected simultaneously, described NFC chip is in failure state immediately, but the SIM card chip still can operate as normal.At this moment, the telecom intelligent card of being stripped from antenna stack can directly apply to the NFC mobile phone terminal, and this telecom intelligent card and the equal energy of NFC mobile phone terminal operate as normal.
Other contacts on the card contact part 300 respectively with described SIM card module 400 on corresponding contact connect so that and the circuit part of portable terminal be electrically connected.
The quantity of newly-increased contact 410 also can be for below three or more than three in the clear area of card base, and its purposes also is not limited to power supply and is connected antenna.
Should be clear and definite, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the new work prerequisite of creation, all belong to the scope of the utility model protection.
Claims (4)
1. telecom intelligent card of realizing near field communication (NFC) function, comprise card base, SIM card module and antenna stack, the SIM card module is arranged on the described card base, the SIM card module is provided with two reserved contacts and six function contacts, antenna stack comprises coiler part (100) and the card contact part (300) that is connected with described coiler part (100) by coupling part (200), and card contact part (300) sticks on the described card base;
It is characterized in that coiler part (100), coupling part (200) and card contact part (300) are as a whole; Contain SIM card chip (500) and NFC chip (600) in the SIM card module, carry out full-duplex communication by single-wire-protocol SWP between SIM card chip (500) and the NFC chip (600), be provided with at least one newly-increased contact in the clear area of described card base.
2. telecom intelligent card according to claim 1, it is characterized in that, the quantity of newly-increased contact is three, wherein first, second newly-increased contact is connected with antenna contacts (310) on the card contact part (300) by conductive coating, and the 3rd newly-increased contact is connected with electrical power by-pass contact (320) on the card contact part (300) by conductive coating;
The SWP contact (610) of SIM card chip and the SWP contact (530) of NFC chip link to each other with function contact (C6) on the SIM card module respectively, the radio-frequency antenna contact (510) of NFC chip links to each other with first, second newly-increased contact, the power contact of NFC chip (520) links to each other with the 3rd newly-increased contact, the power contact of SIM card chip (620) links to each other with function contact (C1) on the SIM card module, and the power contact on the electrical power by-pass contact (320) on the card contact part (300) and the described card contact part (300) (C1 ') be connected.
3. telecom intelligent card according to claim 2, it is characterized in that, the clear area of card base also is provided with the "four news" (new ideas and increases the contact, the "four news" (new ideas increase the contact and are connected with SWP contact (530) in the NFC chip, the "four news" (new ideas increase the contact and also are connected with contact (330) on the card contact part (300) by conductive coating, and the contact on the contact (330) on the described card contact part (300) and the described card contact part (300) (C6 ') be connected.
4. telecom intelligent card according to claim 3 is characterized in that, the clear area of card base also is provided with other newly-increased contact, and described other newly-increased contact links to each other with antenna contacts or function contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020517365 CN201780601U (en) | 2010-09-03 | 2010-09-03 | Telecom smart card realizing near field communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020517365 CN201780601U (en) | 2010-09-03 | 2010-09-03 | Telecom smart card realizing near field communication function |
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| Publication Number | Publication Date |
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| CN201780601U true CN201780601U (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201020517365 Expired - Lifetime CN201780601U (en) | 2010-09-03 | 2010-09-03 | Telecom smart card realizing near field communication function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891349A (en) * | 2012-07-30 | 2013-01-23 | 东信和平科技股份有限公司 | Device and method for using energy induction transmission on near field communication (NFC)-subscriber identity module (SIM) card |
| CN106226801A (en) * | 2016-08-31 | 2016-12-14 | 江苏艾倍科科技股份有限公司 | A kind of Big Dipper is respected the aged people card |
-
2010
- 2010-09-03 CN CN 201020517365 patent/CN201780601U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891349A (en) * | 2012-07-30 | 2013-01-23 | 东信和平科技股份有限公司 | Device and method for using energy induction transmission on near field communication (NFC)-subscriber identity module (SIM) card |
| CN106226801A (en) * | 2016-08-31 | 2016-12-14 | 江苏艾倍科科技股份有限公司 | A kind of Big Dipper is respected the aged people card |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |
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| CX01 | Expiry of patent term |