CN202394254U - Intelligent card, near field communication device and terminal device - Google Patents
Intelligent card, near field communication device and terminal device Download PDFInfo
- Publication number
- CN202394254U CN202394254U CN 201120301973 CN201120301973U CN202394254U CN 202394254 U CN202394254 U CN 202394254U CN 201120301973 CN201120301973 CN 201120301973 CN 201120301973 U CN201120301973 U CN 201120301973U CN 202394254 U CN202394254 U CN 202394254U
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- nfc
- control chip
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- field communication
- smart card
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Abstract
The utility model provides an intelligent card, a near field communication device and a terminal device. The intelligent card provided by the utility model includes an SIM card chip and an NFC (Near Field Communication) control chip. Three pins of the NFC control chip connect with a voltage pin, a grounding pin and an SWP (Single Wire Protocol) pin of the SIM card chip correspondingly. The intelligent card is provided with a terminal used for connecting an NFC antenna. According to the utility model, two protocol communications of SWP and NFC can be realized. At the same time, the physical structure of a prior terminal device does not need to change. Thus, the intelligent card, the near field communication device and the terminal device has practical applicability and universality. The intelligent card, the near field communication device and the terminal device provided by the utility model can be applied to the technical field of close range wireless communication.
Description
Technical field
The utility model relates to the short distance wireless communication technology, relates in particular to a kind of smart card, near field communication means and terminal device.
Background technology
Near-field communication (Near Field Communication; NFC) technology is by non-contact radio-frequency identification (Radio Frequency Identification; RFID) and the technology of interconnecting integrate to develop; It can satisfy information interaction between any two wireless devices, access to content, service exchange, and uses more easy---if any two equipment near and do not need cable to patch, just can realize mutual communication.
Realize the NFC function for not changing existing terminal equipment; The NFC control chip will pass through interface and SIM (SubscriberIdentity Module on the one hand; User identification module) the core of the card sheet connects; And guarantee not clash with the interface of SIM operate as normal, to be connected with radio-frequency antenna on the other hand to realize the near-field communication between wireless device.The inventor finds in the process that realizes the utility model, in the connectivity scenario of existing NFC control chip and radio-frequency antenna, can't realize the compatibility to the different model terminal device, has the relatively poor shortcoming of practicality and versatility.
The utility model content
The utility model provides a kind of smart card, near field communication means and terminal device, has practicality and versatility.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of smart card is provided; Comprise SIM chip and near-field communication NFC control chip; Wherein, wherein three pins of said NFC control chip respectively with the voltage of said SIM chip, with corresponding connection of single-wire-protocol SWP pin, said smart card has the terminal that is used to connect the NFC antenna.
A kind of near field communication means is provided; Comprise smart card and near-field communication NFC antenna; Wherein, Said smart card comprises SIM chip and NFC control chip, wherein three pins of said NFC control chip and the voltage of said SIM chip, with corresponding connection of single-wire-protocol SWP pin, said smart card has the terminal that is used to connect said near-field communication NFC antenna.
A kind of terminal device is provided, comprises smart card and near-field communication NFC antenna in the smart card draw-in groove that is placed on said terminal device, said smart card comprises SIM chip and NFC control chip; Wherein three pins of said NFC control chip and the voltage of said SIM chip, with corresponding connection of single-wire-protocol SWP pin, said smart card has the terminal that is used to connect said near-field communication NFC antenna.
The beneficial effect of the utility model is: is connected with the SWP pin of SIM chip through the NFC control chip, and can be so that smart card realizes that through SIM chip port and terminal device single-wire-protocol SWP communicates by letter; Simultaneously, be connected through the two ends of NFC control chip with the NFC antenna, can be so that smart card and terminal device be realized near-field communication, thus need not to change the physical arrangement of existing terminal device, have practicality and versatility.
Description of drawings
The structural representation of the smart card that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the functional unit structural representation of the NFC control chip of the utility model embodiment;
Fig. 3 is the circuit function schematic diagram of the low noise amplifying unit of the utility model embodiment;
The structural representation of the near field communication means that Fig. 4 provides for the utility model embodiment;
Fig. 5 is the near field communication means of the utility model embodiment and the synoptic diagram of extraneous communication mode;
The sectional elevation of the terminal device that Fig. 6 provides for the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model content of the utility model is done further to describe.
Embodiment one
Referring to Fig. 1; Present embodiment provides a kind of smart card 1; Comprise SIM chip 11 and NFC control chip 12; Wherein three pins of said NFC control chip 12 and pin C1 (VCC), C5 (GND) and the C6 of said SIM chip 11 (SWP, Single Wire Protocol single-wire-protocol) are corresponding to be connected, and said smart card 1 has the terminal that is used to connect the NFC antenna.
Optional, two the sky wire pins of said NFC control chip 12 and the corresponding connection of two links of NFC antenna.
Wherein, Said NFC antenna can be for being embedded in the built-in aerial in the intelligent card matrix; Perhaps stick on the external antenna on the terminal device; Perhaps only on smart card, reserve two antenna terminals and external antenna is perhaps reserved antenna terminal on smart card, make the antenna cutting ferrule and be enclosed within above the antenna terminal.
C1 (VCC), being connected of C5 (GND) through NFC control chip 12 and SIM chip 11 can realize that SIM chip 11 is 12 power supplies of NFC control chip; Simultaneously; Be connected with the C6 (SWP) of SIM chip 11 through NFC control chip 12, can realize the SWP protocol communication of NFC control chip 12 and SIM chip 11.Smart card 1 is supported ISO7816 and two interfaces of SWP simultaneously under the definition of ISO7816 interface like this, can carry out information interaction through SIM chip port and terminal device.
Further; Referring to Fig. 2; NFC control chip 12 can comprise PMU 121, safe unit 122, low noise amplifying unit 123 and NFC unit 124; Wherein, PMU 121 is connected with NFC unit 124 with low noise amplifying unit 123, for low noise amplifying unit 123 and NFC unit 124 provide power supply; Safe unit 122 is used to manage the application program of NFC control chip 12 and the encrypted transmission of data; Low noise amplifying unit 123 is used for said NFC control chip 12 inputs and output twocouese signal are amplified; NFC unit 124 is connected with low noise amplifying unit 123 with safe unit 122, is used to set up the NFC protocol communication of said NFC control chip 12.
Need to prove that low noise amplifying unit 123 is a kind of input/output terminals that amplify on the link that are positioned at, and to given gain requirement, introduces as far as possible little internal noise, and the signal to noise ratio (S/N ratio) of acquisition maximum possible and the amplifier unit that designs.Its circuit function schematic diagram can be referring to Fig. 3; Signal is through the negative input end of resistance and electric capacity input amplifier; Between the negative input end of amplifier and output terminal, be parallel with hold-off diode, electric capacity and resistance, between the positive input terminal of amplifier and ground, be parallel with electric capacity and resistance.
The smart card that present embodiment provides is connected with the SWP pin of SIM chip through the NFC control chip, can be so that smart card realizes that through SIM chip port and terminal device single-wire-protocol SWP communicates by letter; Be connected through the two ends of NFC control chip with the NFC antenna, can be so that smart card and terminal device be realized near-field communication; Smart card 1 is provided with the terminal that is used to connect the NFC antenna; Said NFC antenna can be polytype, thereby can compatible dissimilar terminal device, need not to change the physical arrangement of existing terminal device simultaneously; Therefore convenient durable, have practicality and versatility.
Embodiment two
Referring to Fig. 4, present embodiment provides a kind of near field communication means, comprises smart card 1 and NFC antenna, and wherein said smart card 1 comprises SIM chip 11 and NFC control chip 12 with the smart card among the embodiment one; Wherein three pins of said NFC control chip 12 and corresponding connection of pin C1, C5 and C6 of said SIM chip 11, said smart card 1 has the terminal that is used to connect the NFC antenna.
Optional, two the sky wire pins of said NFC control chip 12 and the corresponding connection of two links of said NFC antenna.
Wherein, Said NFC antenna can be for being embedded in the built-in aerial in the intelligent card matrix; Perhaps stick on the external antenna on the terminal device; Perhaps only on smart card, reserve two antenna terminals and external antenna is perhaps reserved antenna terminal on smart card, make the antenna cutting ferrule and be enclosed within above the antenna terminal.
With embodiment one; NFC control chip 12 in the smart card 1 comprises the low noise amplifying unit of low noise processing and amplifying; A kind of embodiment; NFC control chip 12 directly is connected with the two ends of built-in aerial 21 in being embedded in intelligent card matrix through this low noise amplifying unit, realizes near field communication (NFC) function.Wherein the functional unit structure of NFC control chip 12 can be said referring to the foregoing description one, repeats no more at this.
Alternatively, the NFC antenna can also comprise the external antenna 22 that sticks on the terminal device, is used for relaying or strengthens the said radiofrequency signal that is embedded in the built-in aerial 21 in the intelligent card matrix.
Wherein, be embedded in the built-in aerial 21 in the intelligent card matrix, its geomery is decided according to the concrete condition of intelligent card matrix, and its parameter is confirmed according to actual demand; Stick on the outside external antenna 22 of terminal device, its geomery and parameter are also decided according to actual demand.
Referring to Fig. 5, shown in Figure 5 is the synoptic diagram of near field communication means and extraneous communication mode.NFC control chip 12 is connected through the C6 with SIM chip 11, can realize the SWP protocol communication of NFC control chip 12 and SIM chip 11, makes smart card 1 can carry out information interaction with terminal device 3 through the SIM chip port; Two pins of NFC control chip 12 through with the corresponding connection of two links of built-in aerial 21; And when being necessary through sticking on the external antenna 22 of the NFC antenna on the terminal device 3; Relaying or strengthen the radiofrequency signal of this built-in aerial 21; Make smart card 1 can carry out information interaction with external unit 5 through the NFC antenna, this terminal device can be notebook terminal, charging terminal etc.
The near field communication means that provides of present embodiment is connected with the SWP pin of SIM chip through the NFC control chip for this reason, can be so that smart card realizes that through SIM chip port and terminal device single-wire-protocol SWP communicates by letter; Be connected through the two ends of NFC control chip with the NFC antenna, can be so that smart card and terminal device be realized near-field communication; Smart card is provided with the terminal that is used to connect the NFC antenna; Said NFC antenna can be polytype, thereby can compatible dissimilar terminal device, and need not to change the physical arrangement of existing terminal device; Therefore convenient durable, have practicality and versatility.
Embodiment three
Still referring to Fig. 5, present embodiment provides a kind of terminal device 3, comprises smart card 1 and NFC antenna in the smart card draw-in groove that is placed on said terminal device 3; With the smart card among the embodiment one; Said smart card 1 comprises SIM chip 11 and NFC control chip 12; Three pins of wherein said NFC control chip 12 and corresponding connection of pin C1, C5 and C6 of said SIM chip 11, said smart card 1 has the terminal that is used to connect the NFC antenna.
Optional, the corresponding connection of two links of 12 two sky wire pins of said NFC control chip and the built-in aerial 21 of said NFC antenna.
Wherein, Said NFC antenna can be for being embedded in the built-in aerial in the intelligent card matrix; Perhaps stick on the external antenna on the terminal device; Perhaps only on smart card, reserve two antenna terminals and external antenna is perhaps reserved antenna terminal on smart card, make the antenna cutting ferrule and be enclosed within above the antenna terminal.
With embodiment one; Through the NFC control chip in the smart card 1 12 is adopted the low noise processing and amplifying; A kind of embodiment makes the NFC control chip through directly being connected with the two ends that are embedded in the built-in aerial 21 in the intelligent card matrix 4 of NFC antenna, realizes near field communication (NFC) function.Wherein the functional unit structure of NFC control chip 12 can be said referring to the foregoing description one, repeats no more at this.
Preferably, the NFC antenna can also comprise the external antenna 22 that sticks on the terminal device outside, is used for relaying or strengthens the said radiofrequency signal that is embedded in the built-in aerial 21 in the intelligent card matrix.
Wherein, be embedded in the built-in aerial 21 in the intelligent card matrix, its geomery is decided according to the concrete condition of intelligent card matrix 4, and its parameter is confirmed according to actual demand; Stick on the outside external antenna 22 of terminal device, its geomery and parameter are also decided according to actual demand.
For example, referring to Fig. 6, Fig. 6 is the sectional elevation of present embodiment terminal device.When being coated with the battery 32 of terminal device above the intelligent card matrix 4; Under this state; Because the interference of battery, be embedded in built-in aerial 21 in the intelligent card matrix 4 can't be directly and external unit 5 carry out information interaction well, influence the near field communication (NFC) function of terminal device.Need stick external antenna 22 (sticking on the battery back of terminal device 3) this moment on terminal device; Terminal device 3 just can carry out radio communication with external unit 5 through the external antenna 22 that sticks on the terminal device like this; Then by the radiofrequency signal that is embedded in the built-in aerial 21 reception external antennas 22 in the intelligent card matrix 4; Be external antenna 22 emitting radio frequency signals simultaneously, with the information interaction of completion with external unit 5.
The terminal device that provides of present embodiment is connected with the SWP pin of SIM chip through the NFC control chip for this reason, can be so that smart card realizes that through SIM chip port and terminal device single-wire-protocol SWP communicates by letter; Be connected through the two ends of NFC control chip with the NFC antenna, can be so that smart card and terminal device be realized near-field communication; Smart card is provided with the terminal that is used to connect the NFC antenna; Said NFC antenna can be polytype, thereby can compatible dissimilar terminal device, and need not to change the physical arrangement of existing terminal device; Therefore convenient durable, have practicality and versatility.
More than the smart card that the utility model provided, external near field communication means and terminal device have been carried out detailed introduction, the content of instructions just is used to help to understand the method and the thought thereof of the utility model; Any technician who is familiar with the present technique field can expect changing or replacement in the technical scope that the utility model discloses easily, all should be encompassed within the protection domain of the utility model.
Claims (12)
1. smart card; It is characterized in that; Comprise SIM chip and near-field communication NFC control chip; Wherein, wherein three pins of said NFC control chip respectively with the voltage of said SIM chip, with corresponding connection of single-wire-protocol SWP pin, said smart card has the terminal that is used to connect the NFC antenna.
2. smart card according to claim 1 is characterized in that, two sky wire pins of said NFC control chip respectively with the corresponding connection of two links of said NFC antenna.
3. smart card according to claim 1 and 2 is characterized in that, said NFC antenna is to be embedded in the built-in aerial in the said intelligent card matrix or to stick on the external antenna on the terminal device.
4. smart card according to claim 1 and 2; It is characterized in that; Said NFC control chip is included as the PMU that said low noise amplifying unit and said NFC unit provide power supply; Be used to manage the safe unit of encrypted transmission of application program and the data of said NFC control chip; The NFC unit of low noise amplifying unit that is used for input of said NFC control chip and output twocouese signal are amplified and the NFC protocol communication that is used to set up said NFC control chip; Wherein
Said PMU is connected with said NFC unit with said low noise amplifying unit;
Said NFC unit is connected with said low noise amplifying unit with said safe unit.
5. near field communication means; It is characterized in that; Comprise smart card and near-field communication NFC antenna, wherein, said smart card comprises SIM chip and NFC control chip; Wherein three pins of said NFC control chip and the voltage of said SIM chip, with corresponding connection of single-wire-protocol SWP pin, said smart card has the terminal that is used to connect said near-field communication NFC antenna.
6. near field communication means according to claim 5 is characterized in that, two sky wire pins of said NFC control chip respectively with the corresponding connection of two links of said near-field communication NFC antenna;
7. according to claim 5 or 6 described near field communication means, it is characterized in that said near-field communication NFC antenna is to be embedded in the built-in aerial in the said intelligent card matrix or to stick on the external antenna on the terminal device.
8. according to claim 5 or 6 described near field communication means; It is characterized in that; Said NFC control chip is included as the PMU that said low noise amplifying unit and said NFC unit provide power supply; Be used to manage the safe unit of encrypted transmission of application program and the data of said NFC control chip; The NFC unit of low noise amplifying unit that is used for input of said NFC control chip and output twocouese signal are amplified and the NFC protocol communication that is used to set up said NFC control chip; Wherein
Said PMU is connected with said NFC unit with said low noise amplifying unit;
Said NFC unit is connected with said low noise amplifying unit with said safe unit.
9. a terminal device is characterized in that, comprises smart card and near-field communication NFC antenna in the smart card draw-in groove that is placed on said terminal device, and said smart card comprises SIM chip and NFC control chip; Wherein three pins of said NFC control chip and the voltage of said SIM chip, with corresponding connection of single-wire-protocol SWP pin, said smart card has the terminal that is used to connect said near-field communication NFC antenna.
10. terminal device according to claim 9 is characterized in that, two sky wire pins of said NFC control chip respectively with the corresponding connection of two links of said near-field communication NFC antenna.
11., it is characterized in that said near-field communication NFC antenna is to be embedded in the built-in aerial in the said intelligent card matrix or to stick on the external antenna on the terminal device according to claim 9 or 10 described terminal devices.
12. according to claim 9 or 10 described terminal devices; It is characterized in that; Said NFC control chip is included as the PMU that said low noise amplifying unit and said NFC unit provide power supply; Be used to manage the safe unit of encrypted transmission of application program and the data of said NFC control chip; The NFC unit of low noise amplifying unit that is used for input of said NFC control chip and output twocouese signal are amplified and the NFC protocol communication that is used to set up said NFC control chip; Wherein
Said PMU is connected with said NFC unit with said low noise amplifying unit;
Said NFC unit is connected with said low noise amplifying unit with said safe unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120301973 CN202394254U (en) | 2011-08-18 | 2011-08-18 | Intelligent card, near field communication device and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120301973 CN202394254U (en) | 2011-08-18 | 2011-08-18 | Intelligent card, near field communication device and terminal device |
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| Publication Number | Publication Date |
|---|---|
| CN202394254U true CN202394254U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120301973 Expired - Lifetime CN202394254U (en) | 2011-08-18 | 2011-08-18 | Intelligent card, near field communication device and terminal device |
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| CN (1) | CN202394254U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051752A (en) * | 2012-11-28 | 2013-04-17 | 厦门盛华电子科技有限公司 | Active coding and decoding mobile phone smart card with built-in sensing antenna |
| CN103347105A (en) * | 2013-06-19 | 2013-10-09 | 上海坤锐电子科技有限公司 | Mobile phone radio-frequency SIM card with SWP function in compatible mode |
| CN103714306A (en) * | 2013-12-27 | 2014-04-09 | 北京握奇数据系统有限公司 | Non-contact communication technology selection method and system based on mobile terminal type |
| CN103745254A (en) * | 2013-12-20 | 2014-04-23 | 北京握奇数据系统有限公司 | Mobile payment intelligent card |
| CN103944597A (en) * | 2013-01-23 | 2014-07-23 | 中兴通讯股份有限公司 | Mobile terminal, and near field communication realization method thereof |
| CN105306089A (en) * | 2015-12-08 | 2016-02-03 | 上海新储集成电路有限公司 | Communication system and method integrating NFC and SIM |
| CN107346385A (en) * | 2016-05-06 | 2017-11-14 | 上海方付通商务服务有限公司 | Wireless U-shield and mobile terminal device |
-
2011
- 2011-08-18 CN CN 201120301973 patent/CN202394254U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051752A (en) * | 2012-11-28 | 2013-04-17 | 厦门盛华电子科技有限公司 | Active coding and decoding mobile phone smart card with built-in sensing antenna |
| CN103051752B (en) * | 2012-11-28 | 2015-07-15 | 厦门盛华电子科技有限公司 | Active coding and decoding mobile phone smart card with built-in sensing antenna |
| CN103944597A (en) * | 2013-01-23 | 2014-07-23 | 中兴通讯股份有限公司 | Mobile terminal, and near field communication realization method thereof |
| CN103944597B (en) * | 2013-01-23 | 2016-12-28 | 中兴通讯股份有限公司 | A kind of mobile terminal and the method realizing short-range communication thereof |
| CN103347105A (en) * | 2013-06-19 | 2013-10-09 | 上海坤锐电子科技有限公司 | Mobile phone radio-frequency SIM card with SWP function in compatible mode |
| CN103745254A (en) * | 2013-12-20 | 2014-04-23 | 北京握奇数据系统有限公司 | Mobile payment intelligent card |
| CN103714306A (en) * | 2013-12-27 | 2014-04-09 | 北京握奇数据系统有限公司 | Non-contact communication technology selection method and system based on mobile terminal type |
| CN105306089A (en) * | 2015-12-08 | 2016-02-03 | 上海新储集成电路有限公司 | Communication system and method integrating NFC and SIM |
| CN107346385A (en) * | 2016-05-06 | 2017-11-14 | 上海方付通商务服务有限公司 | Wireless U-shield and mobile terminal device |
| CN107346385B (en) * | 2016-05-06 | 2024-02-02 | 上海方付通商务服务有限公司 | Wireless U shield and mobile terminal equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100015 Beijing city Chaoyang District Dongzhimen West eight Street No. 2 room Wanhong Yan Dong Business Garden Patentee after: Beijing Watchdata Limited by Share Ltd Address before: 100015 Beijing city Chaoyang District Dongzhimen West eight Street No. 2 room Wanhong Yan Dong Business Garden Patentee before: Beijing Woqi Data System Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |
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| CX01 | Expiry of patent term |