CN204883752U - Wireless NFC device that possesses safe start control circuit - Google Patents
Wireless NFC device that possesses safe start control circuit Download PDFInfo
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- CN204883752U CN204883752U CN201520402735.7U CN201520402735U CN204883752U CN 204883752 U CN204883752 U CN 204883752U CN 201520402735 U CN201520402735 U CN 201520402735U CN 204883752 U CN204883752 U CN 204883752U
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- nfc
- nfc device
- control circuit
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Abstract
The utility model discloses a wireless NFC device that possesses safe start control circuit, it includes signal input unit and NFC device, the NFC device includes first processor, NFC control chip, two interface safety component, safe start control circuit and NFC radio -frequency antenna, NFC control chip and two interface safety component are connected, first processor is connected with signal input unit, NFC control chip, two interface safety component and safe start control circuit respectively, safe start control circuit connects between NFC control chip and NFC radio -frequency antenna. Through making the utility model discloses a NFC device can improve the security that the NFC device was manipulated greatly to ensure end user's individual interest. The utility model discloses a but the wide application of wireless NFC device is in NFC equipment.
Description
Technical field
The utility model relates to NFC device, particularly relates to a kind of wireless NFC device possessing clean boot control circuit.
Background technology
Technology word is explained:
NFC:NearFieldCommunication, near field communication technology, it is a kind of in-plant wireless communication technique, can be applicable to the fields such as public transport ticket card, entrance guard management, fiscard.
For traditional NFC device, its application mainly contains Three models, comprises respectively: 1, snap gauge simulation models, by NFC device as uses such as mass transit card, access card, bank card, member card, credits card; 2, card reader/writer pattern, can adopt card reader/writer to read NFC device; 3, P2P pattern, transmission data mutually between the device that two can be allowed to possess NFC function.And when NFC device is as payment purposes, it is then mainly applied and concentrates on the transactional services aspect relevant with money such as finance, public transport, such as bank card, credit card, stored value card, public transport ticket card etc., therefore now, for the information security how guaranteeing NFC device, it is very important subject under discussion.
Existing technology only considers the convenience that wireless NFC device uses, can manipulate through intelligent terminal, but, but have ignored malice intentionally personage read-write card terminal may closely steal the content of NFC device to illegally, as this problems of important information such as card number, account, remaining sum, passwords.Now, the electronics object wearing device of similar AppleiWatch and so on becomes more and more popular, and also drive electronics is dressed product or other portable products and NFC device simultaneously and integrates, thus for various financial payment.And NFC device is incorporated in wearing product or portable product, NFC device then can be worn on other above the folds such as wrist, so then more easily by malice intentionally personage to illegally read-write card terminal steal the content of NFC device, and after the password of user is stolen, then be easy in the unwitting situation of user, malice steals brush bank card, mass transit card, stored value card etc., thus allows user produce huge loss.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide the wireless NFC device that a kind of structure simply possesses clean boot control circuit.
The technical scheme that the utility model adopts is: a kind of wireless NFC device possessing clean boot control circuit, it comprises signal input unit and NFC device, described NFC device comprises first processor, NFC control chip, two interfaces safety element, clean boot control circuit and NFC radio-frequency antenna, described NFC control chip is connected with two interfaces safety element, described first processor respectively with signal input unit, NFC control chip, two interfaces safety element and clean boot control circuit connect, described clean boot control circuit is connected between NFC control chip and NFC radio-frequency antenna.
Further, described clean boot control circuit is on-off circuit.
Further, described on-off circuit adopts magnetic switch or transistor switching circuit to realize.
Further, described signal input unit is button or touch screen.
Further, described NFC device also comprises the first wireless communication module, and described signal input unit is intelligent mobile terminal, and described intelligent mobile terminal is connected with first processor wireless telecommunications by the first wireless communication module.
Further, described intelligent mobile terminal comprises the second processor, display screen, storer and the second wireless communication module, described second processor is connected with display screen, storer and the second wireless communication module respectively, and described second processor is connected with the first wireless communication module and then with first processor wireless telecommunications by the second wireless communication module successively.
Further, described NFC device also comprises power management module, charge port and battery, and described power management module is connected with first processor, NFC control chip, charge port and battery respectively.
Further, described pair of interface safety element is two interface safety element integrated circuit or SWPSIM card.
Further, described intelligent mobile terminal is smart mobile phone, panel computer, notebook computer or desk-top computer.
Further, described first wireless communication module and the second wireless communication module adopt bluetooth 4.0 protocol chip, WIFI protocol chip or Zigbee protocol chip to realize.
The beneficial effects of the utility model are: NFC device of the present utility model comprises signal input unit and NFC device, described NFC device comprises first processor, NFC control chip, two interfaces safety element, clean boot control circuit and NFC radio-frequency antenna, described NFC control chip is connected with two interfaces safety element, described first processor respectively with signal input unit, NFC control chip, two interfaces safety element and clean boot control circuit connect, described clean boot control circuit is connected between NFC control chip and NFC radio-frequency antenna, like this when signal input unit exports control signal to first processor, and first processor is according to the control signal received thus control clean boot control circuit when opening or closing, clean boot control circuit just can make to form path or open circuit between NFC control chip and NFC radio-frequency antenna.Can obtain thus, by using NFC device of the present utility model, just can guarantee that NFC device cannot be read under normal conditions, only when making to form path between NFC control chip and NFC radio-frequency antenna by clean boot control circuit, NFC device could normally work, such read-write card terminal could carry out read-write operation with contactless 13.56MHz module for reading and writing to NFC control chip, thus greatly improves the security of NFC device operation use.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
Fig. 1 is a kind of structured flowchart possessing the wireless NFC device of clean boot control circuit of the utility model;
Fig. 2 is a kind of the first specific embodiment structural representation possessing the wireless NFC device of clean boot control circuit of the utility model;
Fig. 3 is a kind of the second specific embodiment structural representation possessing the wireless NFC device of clean boot control circuit of the utility model;
Fig. 4 is a kind of the 3rd specific embodiment structural representation possessing the wireless NFC device of clean boot control circuit of the utility model.
Embodiment
As shown in Figure 1, a kind of wireless NFC device possessing clean boot control circuit, it comprises signal input unit and NFC device, described NFC device comprises first processor, NFC control chip, two interfaces safety element, clean boot control circuit and NFC radio-frequency antenna, described NFC control chip is connected with two interfaces safety element, described first processor is connected with signal input unit, NFC control chip, two interfaces safety element and clean boot control circuit respectively, and described clean boot control circuit is connected between NFC control chip and NFC radio-frequency antenna.
The principle of work of above-mentioned NFC device is: control signal is sent to first processor by signal input unit, described first processor is according to the control signal received thus clean boot control circuit is opened or closed, now described clean boot control circuit can make to form path or open circuit between NFC control chip and NFC radio-frequency antenna, do not need the state used like this in NFC device under, clean boot control circuit can make to form open circuit between NFC control chip and NFC radio-frequency antenna, and when needing to use NFC device, clean boot control circuit then can make to form path between NFC control chip and NFC radio-frequency antenna, now, NFC control chip just can be carried out communication with contactless 13.56MHz read-write card terminal in near-field communication mode be connected by NFC radio-frequency antenna.Can obtain thus, the security of NFC device of the present utility model is improved greatly, but also possess be easy to operation use, advantages of simple structure and simple.
Be further used as preferred embodiment, described clean boot control circuit is on-off circuit.
Be further used as preferred embodiment, described on-off circuit adopts magnetic switch or transistor switching circuit to realize.
Be further used as preferred embodiment, described signal input unit is button or touch screen.
Be further used as preferred embodiment, described NFC device also comprises the first wireless communication module, and described signal input unit is intelligent mobile terminal, and described intelligent mobile terminal is connected with first processor wireless telecommunications by the first wireless communication module.Preferably, described intelligent mobile terminal comprises the second processor, display screen, storer and the second wireless communication module, described second processor is connected with display screen, storer and the second wireless communication module respectively, and described second processor is connected with the first wireless communication module and then with first processor wireless telecommunications by the second wireless communication module successively.
Be further used as preferred embodiment, described NFC device also comprises power management module, charge port and battery, and described power management module is connected with first processor, NFC control chip, charge port and battery respectively.Described battery is rechargeable battery, and charge port is by power management module thus to rechargeable battery charging, and rechargeable battery powers to respectively first processor and NFC control chip by power management module.Separately, described rechargeable battery is also that the first wireless communication module is powered by power management module.
Be further used as preferred embodiment, described pair of interface safety element is two interface safety element integrated circuit or SWPSIM card.
Be further used as preferred embodiment, described intelligent mobile terminal is smart mobile phone, panel computer, notebook computer or desk-top computer.
Be further used as preferred embodiment, described first wireless communication module and the second wireless communication module adopt bluetooth 4.0 protocol chip, WIFI protocol chip or Zigbee protocol chip to realize.
Be further used as preferred embodiment, described first processor is in ISO7816 communications protocol mode thus carry out communication with two interfaces safety element and be connected.
The content of above-mentioned technical characteristic describes and is all applicable to following all embodiments.
The utility model first specific embodiment
As shown in Figure 2, a kind of wireless NFC device possessing clean boot control circuit, it specifically comprises signal input unit and NFC device, and described signal input unit is button or touch screen;
Described NFC device comprises first processor, NFC control chip, two interfaces safety element, on-off circuit, NFC radio-frequency antenna, power management module, charge port and battery, described NFC control chip is connected with two interfaces safety element, described first processor is connected with signal input unit, NFC control chip, two interfaces safety element and on-off circuit respectively, described on-off circuit is connected between NFC control chip and NFC radio-frequency antenna, and described power management module is connected with first processor, NFC control chip, charge port and battery respectively.
The specific works principle of above-mentioned NFC device is: utilize button or touch screen that control signal is inputed to first processor, described first processor is according to the control signal received thus on-off circuit is opened or closed, and so just can make to form path or open circuit between NFC control chip and NFC radio-frequency antenna.When forming path between NFC control chip and NFC radio-frequency antenna, NFC device can normally work, and now NFC control chip carries out communication with contactless 13.56MHz read-write card terminal in near-field communication mode be connected by NFC radio-frequency antenna.
Separately, as shown in Figure 2, described read-write card terminal comprises contactless 13.56MHz module for reading and writing and Cell processor, described contactless 13.56MHz module for reading and writing is connected with Cell processor, when NFC device normally works, described Cell processor is by contactless 13.56MHz module for reading and writing and then carry out communication with NFC control chip and be connected.
Preferably, described button or touch screen can be set directly in NFC device.
The utility model second specific embodiment
As shown in Figure 3, a kind of wireless NFC device possessing clean boot control circuit, it specifically comprises intelligent mobile terminal and NFC device;
Described NFC device comprises the first wireless communication module, first processor, NFC control chip, two interfaces safety element, on-off circuit, NFC radio-frequency antenna, power management module, charge port and battery, described NFC control chip is connected with two interfaces safety element, described first processor is connected with intelligent mobile terminal wireless telecommunications by the first wireless communication module, described first processor respectively with NFC control chip, two interfaces safety element and on-off circuit connect, described on-off circuit is connected between NFC control chip and NFC radio-frequency antenna, described power management module respectively with the first wireless communication module, first processor, NFC control chip, charge port and battery connect,
Described intelligent mobile terminal comprises the second processor, display screen, storer and the second wireless communication module, described second processor is connected with display screen, storer and the second wireless communication module respectively, and described second processor is connected with the first wireless communication module and then with first processor wireless telecommunications by the second wireless communication module successively.
The specific works principle of above-mentioned NFC device is: the second processor in intelligent mobile terminal is successively by the second wireless communication module and the first wireless communication module and then be sent on first processor by control signal, described first processor is according to the control signal received thus on-off circuit is opened or closed, to make to form path or open circuit between NFC control chip and NFC radio-frequency antenna.When forming path between NFC control chip and NFC radio-frequency antenna, NFC device can normally work, and now NFC control chip carries out communication with contactless 13.56MHz read-write card terminal in near-field communication mode be connected by NFC radio-frequency antenna.
Separately, for above-mentioned intelligent mobile terminal, its second processor also can be sent on NFC control chip by the second wireless communication module, the first wireless communication module and first processor thus by request signal successively, described NFC control chip is according to request signal thus carry out snap gauge plan, the read-write operations such as card, P2P, and result is back to intelligent mobile terminal, and show with display screen.
The utility model the 3rd specific embodiment
As shown in Figure 4, the structure of the NFC device of the present embodiment is the combination of above-described embodiment one and embodiment two, namely in the NFC device of the present embodiment, it not only comprises button or touch screen, but also comprise the first wireless communication module and intelligent mobile terminal, and that is, the first processor in described NFC device, it is not only connected with button or touch screen, but also by the first wireless communication module and then carry out wireless telecommunications with intelligent mobile terminal and be connected.Like this, control signal just can Selection utilization button, touch screen or intelligent mobile terminal be sent on first processor by user, thus the operation greatly improving user uses dirigibility.
In sum, NFC device of the present utility model can effectively avoid intentionally personage's read-write card terminal to illegally in the ignorant situation of user, the content in NFC device is stolen in non-contact communication mode, or criminal manipulation is carried out to NFC device, so just, the security that NFC device uses operation can be improved, thus ensure the individual interest of user.
Finally it should be noted that, the utility model only relates to structural improvement, do not relate to the improvement on software approach, although the first processor in the utility model relates to the content of control, but it can adopt prior art means to realize, in data processing method, there is not any improvement, therefore, the utility model does not relate to the improvement in the methods such as data processing, does not namely relate to the improvement on any software.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (10)
1. one kind possesses the wireless NFC device of clean boot control circuit, it is characterized in that: it comprises signal input unit and NFC device, described NFC device comprises first processor, NFC control chip, two interfaces safety element, NFC radio-frequency antenna and for making the clean boot control circuit forming path or open circuit between NFC control chip and NFC radio-frequency antenna, described NFC control chip is connected with two interfaces safety element, described first processor respectively with signal input unit, NFC control chip, two interfaces safety element and clean boot control circuit connect, described clean boot control circuit is connected between NFC control chip and NFC radio-frequency antenna.
2. a kind of wireless NFC device possessing clean boot control circuit according to claim 1, is characterized in that: described clean boot control circuit is on-off circuit.
3. a kind of wireless NFC device possessing clean boot control circuit according to claim 2, is characterized in that: described on-off circuit adopts magnetic switch or transistor switching circuit to realize.
4., according to a kind of wireless NFC device possessing clean boot control circuit of any one of claim 1-3, it is characterized in that: described signal input unit is button or touch screen.
5. according to a kind of wireless NFC device possessing clean boot control circuit of any one of claim 1-3, it is characterized in that: described NFC device also comprises the first wireless communication module, described signal input unit is intelligent mobile terminal, and described intelligent mobile terminal is connected with first processor wireless telecommunications by the first wireless communication module.
6. a kind of wireless NFC device possessing clean boot control circuit according to claim 5, it is characterized in that: described intelligent mobile terminal comprises the second processor, display screen, storer and the second wireless communication module, described second processor is connected with display screen, storer and the second wireless communication module respectively, and described second processor is connected with the first wireless communication module and then with first processor wireless telecommunications by the second wireless communication module successively.
7. a kind of wireless NFC device possessing clean boot control circuit according to any one of claim 1-3, it is characterized in that: described NFC device also comprises power management module, charge port and battery, described power management module is connected with first processor, NFC control chip, charge port and battery respectively.
8. a kind of wireless NFC device possessing clean boot control circuit according to any one of claim 1-3, is characterized in that: described pair of interface safety element is two interface safety element integrated circuit or SWPSIM card.
9. a kind of wireless NFC device possessing clean boot control circuit according to claim 5, is characterized in that: described intelligent mobile terminal is smart mobile phone, panel computer, notebook computer or desk-top computer.
10. a kind of wireless NFC device possessing clean boot control circuit according to claim 6, is characterized in that: described first wireless communication module and the second wireless communication module adopt bluetooth 4.0 protocol chip, WIFI protocol chip or Zigbee protocol chip to realize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402735.7U CN204883752U (en) | 2015-06-11 | 2015-06-11 | Wireless NFC device that possesses safe start control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402735.7U CN204883752U (en) | 2015-06-11 | 2015-06-11 | Wireless NFC device that possesses safe start control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204883752U true CN204883752U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520402735.7U Expired - Fee Related CN204883752U (en) | 2015-06-11 | 2015-06-11 | Wireless NFC device that possesses safe start control circuit |
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| Country | Link |
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| CN (1) | CN204883752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105872955A (en) * | 2016-04-29 | 2016-08-17 | 昆山维信诺科技有限公司 | Touch integrated circuit integrating near-field communication and near-field communication method of touch integrated circuit |
-
2015
- 2015-06-11 CN CN201520402735.7U patent/CN204883752U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105872955A (en) * | 2016-04-29 | 2016-08-17 | 昆山维信诺科技有限公司 | Touch integrated circuit integrating near-field communication and near-field communication method of touch integrated circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |