CN201417464Y - SD card - Google Patents
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- Publication number
- CN201417464Y CN201417464Y CN200920131699XU CN200920131699U CN201417464Y CN 201417464 Y CN201417464 Y CN 201417464Y CN 200920131699X U CN200920131699X U CN 200920131699XU CN 200920131699 U CN200920131699 U CN 200920131699U CN 201417464 Y CN201417464 Y CN 201417464Y
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- smart card
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Abstract
The utility model is suitable for the technical field of electronic information, and provides an SD card which includes a controller as well as a memorizer and an external interface respectively connected with the controller. The SD card further includes a smart card for providing application service, an NFC controlling chip electrically connected between the smart card and the controller and usedfor modulating or demodulating data, and an NFC antenna electrically connected with the NFC controlling chip and used for exchanging data with an external trading terminal. In the utility model, theSD card has the memory function of the traditional SD card, also has the NFC function and the functions of the smart card, can support three working modes including NFC card emulation, card reader emulation and point-to-point communication, and can support various applications of the smart card. The SD card can further includes an RF (radio frequency) antenna, which is connected with a contact ofthe antenna of the external interface and further connected with the smart card, so that the SD card can work in a passive state and support various non-contact applications.
Description
Technical field
The utility model belongs to electronic information technical field, relates in particular to a kind of SD card.
Background technology
The SD card is a kind of memory device of new generation of based semiconductor fast-flash memory device, and it is used on mancarried device widely, for example digital camera, personal digital assistant (Personal Digital Assistant, PDA) and multimedia player etc.The structure of SD card can guarantee the security that digital document transmits, and also is easy to reformatting, so the field that has a wide range of applications, multimedia files such as music, film, news can be saved in the SD card easily.
Existing SD card comprises external interface 11, controller 12 and storer 13, and this SD card can only be stored data, can not support the various application services of contact intelligent card and contact type intelligent card.
Summary of the invention
The purpose of this utility model is to provide a kind of SD card, and the SD card that is intended to solve prior art can not be supported the problem of the various application services of contact intelligent card and contact type intelligent card.
The utility model is achieved in that a kind of SD card, comprises controller, the storer and the external interface that are connected with described controller respectively, and described SD card also comprises:
Be used to provide the smart card of application service;
Be electrically connected between described smart card and the described controller, be used for data are modulated or the NFC control chip of demodulation;
Be electrically connected with described NFC control chip, be used for NFC antenna with external transaction terminal switch data.
Further, described smart card is two interfaces intelligent expansion card.
Further, described SD card also comprises:
Be electrically connected with described smart card, be used to make described smart card radio-frequency antenna with wireless mode and external transaction terminal switch data under passive states.
Further, the external interface of described SD card has antenna contacts, and described radio-frequency antenna is connected with described antenna contacts.
In the utility model, by in the SD card, embedding NFC control chip, NFC antenna and smart card, in conjunction with memory technology, smart card techniques and NFC technology, not only make this SD jig that the memory function of traditional SD card is arranged, but also has the function of NFC function and smart card, snap gauge plan, card reader simulation, three kinds of mode of operations of point-to-point communication of NFC can be supported, the various application of smart card can also be supported.
Description of drawings
Fig. 1 is the structural representation of the SD card that provides of prior art;
Fig. 2 is the theory diagram of the SD card that provides of first embodiment of the present utility model;
Fig. 3 is the theory diagram of the SD card that provides of second embodiment of the present utility model;
Fig. 4 is the external interface synoptic diagram of the SD card that provides of the utility model embodiment;
Fig. 5 is the surface structure synoptic diagram of the SD card that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
In the utility model embodiment, by in the SD card, embedding NFC control chip, NFC antenna and smart card, in conjunction with memory technology, smart card techniques and NFC technology, not only make this SD jig that the memory function of traditional SD card is arranged, but also the function of tool NFC function and smart card, snap gauge plan, card reader simulation, three kinds of mode of operations of point-to-point communication of NFC can be supported, the various application of smart card can also be supported.
The principle of the SD card that Fig. 2 provides for first embodiment of the present utility model for convenience of explanation, only shows the part that the utility model embodiment is correlated with.This SD card comprises: external interface 21, storer 22, controller 23, NFC control chip 24, NFC antenna 25 and smart card 26.
Described SD card generally is applied on the small-sized mobile device, such as mobile phone for embedding the Micro SD card of smart card 26, NFC control chip 24 and NFC antenna 25.
Further, NFC control chip 24 and smart card 26 are electrically connected, can mutual communication between NFC control chip 24 and the smart card 26, smart card 26 provides various application services, described smart card 26 is two interfaces intelligent expansion card, can support the various application services of contact intelligent card and contact type intelligent card.
In the utility model embodiment, by in Micro SD card, embedding NFC control chip 24, NFC antenna 25 and smart card 26, in conjunction with memory technology, smart card techniques and NFC technology, not only make this SD jig that the memory function of traditional SD card is arranged, but also has the function of NFC function and smart card, snap gauge plan, card reader simulation, three kinds of mode of operations of point-to-point communication of NFC can be supported, the various application of smart card can also be supported.
This SD card can be positioned at the NFC snap gauge and intend mode of operation, connect with wireless mode by NFC control chip 24 and NFC antenna 25 and outside NFC equipment or Non-contact Media Reader, read information in the smart card in this SD card by outside NFC equipment or Non-contact Media Reader.At this moment, this SD card can be applied in fields such as non-contact mobile payment.
This SD card can also be positioned at reader operating mode, and at this moment, this SD card is in active state, can initiatively discern and read the information in extraneous smart card and the label.
When this SD is positioned in the point-to-point communication mode of operation, this SD card can match with an outside NFC equipment that is positioned under the identical mode of operation, and and outside NFC equipment alternately enters passive states reception data and active state sends data, realizes wireless data exchange.
The principle of the SD card that Fig. 3 provides for second embodiment of the present utility model for convenience of explanation, only shows the part that the utility model embodiment is correlated with.This SD card comprises: external interface 21, storer 22, controller 23, NFC control chip 24, NFC antenna 25, smart card 26 and radio-frequency antenna 27.
Among the utility model embodiment, this SD card also comprises radio-frequency antenna 27, described radio-frequency antenna 27 is electrically connected with smart card 26, then this SD card can be operated under the passive states, use as contactless card, smart card 26 is not needed by external interface 21, directly wirelessly with extraneous external transaction terminal, connect such as NFC equipment or Non-contact Media Reader, swap data, support the application of various contactless cards, wherein radio-frequency antenna 27 is connected with two antenna contacts of external interface 21, and then is connected with smart card 26.
Fig. 4 shows the external interface of the SD card that the utility model embodiment provides, and for convenience of explanation, only shows the utility model embodiment relevant portion.This SD card external interface comprises 10 pins, and wherein the 9th pin is the antenna contacts that is connected antenna with the 10th pin, can external radio-frequency antenna, thus radio-frequency antenna is connected with embedded smart card, support various contactless application.In the present embodiment, this SD card is the Micro SD that embeds double-interface smart card, can support contact and contactless two kinds of application.
Fig. 5 shows the surface structure of the SD card that the utility model embodiment provides, and for convenience of explanation, only shows the part that the utility model embodiment is correlated with.In the present embodiment, this SD card is the Micro SD card that embeds smart card, NFC control chip and NFC antenna, and described smart card is a double-interface smart card, can support contact and contactless two kinds of application.
In the utility model embodiment, by in the SD card, embedding NFC control chip, NFC antenna and smart card, in conjunction with memory technology, smart card techniques and NFC technology, not only make this SD jig that the memory function of traditional SD card is arranged, but also has the function of NFC function and smart card, snap gauge plan, card reader simulation, three kinds of mode of operations of point-to-point communication of NFC can be supported, the various application of smart card can also be supported.This SD card can also comprise radio-frequency antenna, and described radio-frequency antenna is connected with the antenna contacts of external interface, and then is connected with smart card, makes this SD card can be operated under the passive states, supports various contactless application.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1, a kind of SD card comprises controller, the storer and the external interface that are connected with described controller respectively, it is characterized in that described SD card also comprises:
Be used to provide the smart card of application service;
Be electrically connected between described smart card and the described controller, be used for data are modulated or the NFC control chip of demodulation;
Be electrically connected with described NFC control chip, be used for NFC antenna with external transaction terminal switch data.
2, SD card as claimed in claim 1 is characterized in that, described smart card is two interfaces intelligent expansion card.
3, SD card as claimed in claim 1 is characterized in that, described SD card also comprises:
Be electrically connected with described smart card, be used to make described smart card radio-frequency antenna with wireless mode and external transaction terminal switch data under passive states.
4, SD card as claimed in claim 3 is characterized in that, the external interface of described SD card has antenna contacts, and described radio-frequency antenna is connected with described antenna contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920131699XU CN201417464Y (en) | 2009-05-12 | 2009-05-12 | SD card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920131699XU CN201417464Y (en) | 2009-05-12 | 2009-05-12 | SD card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201417464Y true CN201417464Y (en) | 2010-03-03 |
Family
ID=41793888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920131699XU Expired - Fee Related CN201417464Y (en) | 2009-05-12 | 2009-05-12 | SD card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201417464Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853422A (en) * | 2010-06-11 | 2010-10-06 | 北京华大智宝电子系统有限公司 | Dual-interface SD card |
| CN101894291A (en) * | 2010-07-28 | 2010-11-24 | 北京华大智宝电子系统有限公司 | Dual-interface SIM card |
| CN102141927A (en) * | 2011-04-08 | 2011-08-03 | 广东好帮手电子科技股份有限公司 | Method for upgrading functions of system by utilizing SD card interface attached to vehicle-mounted multi-media play navigation system and SD upgrading function card device |
| CN102156897A (en) * | 2011-03-30 | 2011-08-17 | 惠州Tcl移动通信有限公司 | Secure digital card and method for realizing near field communication function on same |
| CN102402744A (en) * | 2011-11-08 | 2012-04-04 | 北京数码视讯软件技术发展有限公司 | Data processing method and system for mobile equipment and mobile equipment |
| CN103532598A (en) * | 2013-10-10 | 2014-01-22 | 刘宏伟 | Multifunctional near field communication integrated system and method |
| CN103577867A (en) * | 2013-11-13 | 2014-02-12 | 上海众人网络安全技术有限公司 | Financial IC visible card provided with Bluetooth device |
| CN104065399A (en) * | 2013-03-20 | 2014-09-24 | 华为终端有限公司 | Method, devices and system for negotiation work mode |
| CN104766620A (en) * | 2014-12-31 | 2015-07-08 | 东莞市猫头鹰锁业有限公司 | Encrypted USB flash disk |
| CN106874985A (en) * | 2015-12-14 | 2017-06-20 | 北京握奇智能科技有限公司 | A kind of smart card operation device and operating method |
-
2009
- 2009-05-12 CN CN200920131699XU patent/CN201417464Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853422A (en) * | 2010-06-11 | 2010-10-06 | 北京华大智宝电子系统有限公司 | Dual-interface SD card |
| CN101894291A (en) * | 2010-07-28 | 2010-11-24 | 北京华大智宝电子系统有限公司 | Dual-interface SIM card |
| CN102156897A (en) * | 2011-03-30 | 2011-08-17 | 惠州Tcl移动通信有限公司 | Secure digital card and method for realizing near field communication function on same |
| CN102141927A (en) * | 2011-04-08 | 2011-08-03 | 广东好帮手电子科技股份有限公司 | Method for upgrading functions of system by utilizing SD card interface attached to vehicle-mounted multi-media play navigation system and SD upgrading function card device |
| CN102402744A (en) * | 2011-11-08 | 2012-04-04 | 北京数码视讯软件技术发展有限公司 | Data processing method and system for mobile equipment and mobile equipment |
| CN104065399A (en) * | 2013-03-20 | 2014-09-24 | 华为终端有限公司 | Method, devices and system for negotiation work mode |
| WO2014146566A1 (en) * | 2013-03-20 | 2014-09-25 | 华为终端有限公司 | Negotiation working mode method, device, and system |
| CN103532598A (en) * | 2013-10-10 | 2014-01-22 | 刘宏伟 | Multifunctional near field communication integrated system and method |
| CN103577867A (en) * | 2013-11-13 | 2014-02-12 | 上海众人网络安全技术有限公司 | Financial IC visible card provided with Bluetooth device |
| CN103577867B (en) * | 2013-11-13 | 2016-09-07 | 上海众人网络安全技术有限公司 | A kind of financial IC visible card carrying bluetooth equipment |
| CN104766620A (en) * | 2014-12-31 | 2015-07-08 | 东莞市猫头鹰锁业有限公司 | Encrypted USB flash disk |
| CN106874985A (en) * | 2015-12-14 | 2017-06-20 | 北京握奇智能科技有限公司 | A kind of smart card operation device and operating method |
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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: 20100303 Termination date: 20160512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |