CN201622594U - Non-contact smart memory card - Google Patents
Non-contact smart memory card Download PDFInfo
- Publication number
- CN201622594U CN201622594U CN2010201497979U CN201020149797U CN201622594U CN 201622594 U CN201622594 U CN 201622594U CN 2010201497979 U CN2010201497979 U CN 2010201497979U CN 201020149797 U CN201020149797 U CN 201020149797U CN 201622594 U CN201622594 U CN 201622594U
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- interface
- module
- electrically connected
- control module
- smart card
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Abstract
The utility model is applicable to the field of smart cards, and provides a non-contact smart memory card, which comprises a memory card control module, a memory card interface, a memory module and a smart card module. The non-contact smart memory card further comprises an RF (radio frequency) control module electrically connected with the smart card module and an RF antenna electrically connected with the RF control module; the RF control module comprises an interface unit electrically connected with the smart card module, a control unit electrically connected with the interface unit, and an RF process unit electrically connected with the control unit, wherein the interface unit adopts an I2C interface, an SPI interface or an S2C interface, and the smart card module and the control unit are provided with an I2C interface, an SPI interface or an S2C interface respectively. In the embodiment of the utility model, a standard interface unit is additionally arranged in the RF control module, the RF antenna and the smart card module are connected through the standard interface, and therefore the problem of adaptability between the RF antenna and the smart card module is solved.
Description
Technical field
The utility model belongs to field of intelligent cards, relates in particular to a kind of contactless smart storage card.
Background technology
Intelligent memory card embeds smart card exactly in existing storage card, based on the card end application program of carrying in the smart card, intelligent memory card can also provide the various application services of smart card except that the memory function that conventional memory card is provided.
As shown in Figure 1, structural representation for existing contactless smart storage card, comprise storage card control module 10, the memory module 11, memory card interface 12 and the smart card module 13 that are electrically connected respectively with storage card control module 10, radio frequency processing module 14 that is electrically connected with smart card module 13 and the radio-frequency antenna 15 that is electrically connected with radio frequency processing module 14.
As known from the above, prior art has following shortcoming:
(1), described radio-frequency antenna directly connects with smart card module by the radio frequency processing module, because the parameter that resonance frequency of antenna etc. and smart card module mate is difficult to transfer, causes between radio-frequency antenna and the smart card module compatible difficult;
(2), the radio frequency processing module can only handle a kind of radiofrequency signal of frequency, causes the narrow application range of contactless smart storage card.
The utility model content
The purpose of this utility model just is to provide a kind of contactless smart storage card, is intended to solve in the existing contactless smart storage card that is combined with memory function and non-contact application function be difficult to compatible problem between the radio-frequency antenna and smart card module.
For achieving the above object, the utility model provides a kind of contactless smart storage card, comprises the storage card control module, the memory card interface, memory module and the smart card module that are electrically connected respectively with described storage card control module, it is characterized in that described contactless smart storage card also comprises:
With the radio frequency control module that described smart card module is electrically connected, described smart card module has I
2C interface, SPI interface or S
2C interface;
The radio-frequency antenna that is electrically connected with described radio frequency control module;
Described radio frequency control module comprises:
With the interface unit that described smart card module is electrically connected, described interface unit is I
2C interface, SPI interface or S
2C interface;
With the control module that described interface unit is electrically connected, described control module has I
2C interface, SPI interface or S
2C interface;
Be electrically connected with described control module, be used to handle the RF processing unit of at least two kinds of radiofrequency signals.
Further, described RF processing unit comprises:
The encoding and decoding subelement that is electrically connected with described control module;
The modulation subelement that is electrically connected with described encoding and decoding subelement;
The power amplification subelement that is electrically connected with described modulation subelement and radio-frequency antenna respectively.
Further, described radio-frequency antenna comprises:
13.56MHz antenna and 2.4GHz antenna.
In the utility model, by between smart card module and radio-frequency antenna, be electrically connected an integrated control module, can handle 13.56MHz and the RF processing unit of two kinds of radiofrequency signals of 2.4GHz, the radio frequency control module of interface unit, have following beneficial effect:
(1), described radio frequency control module provides the interface of a standard between radio-frequency antenna and smart card module, make the smart card module chip that radio-frequency antenna can compatible any model, increased the suitability of radio-frequency antenna;
(2), adopt the RF processing unit can handle 13.56MHz and two kinds of radiofrequency signals of 2.4GHz, enlarged the scope of application of described contactless smart storage card.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of existing contactless smart storage card.
Fig. 2 is the structural representation of the contactless smart storage 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.
The contactless smart storage card that the utility model embodiment provides, as shown in Figure 2, described contactless smart storage card comprises storage card control module 21, the memory card interface 20, memory module 22 and the smart card module 23 that are electrically connected with storage card control module 21, this part is the prior art content, do not repeat them here, described contact type intelligent card also comprises:
The radio-frequency antenna 24 that comprises 13.56MHz antenna 241 and 2.4GHz antenna 242 simultaneously;
Described radio frequency control module 25 is electrically connected by interface unit 253 and smart card module 23, is electrically connected by RF processing unit 252 and radio-frequency antenna 24.
The interface protocol that described smart card module 23 supporting interface unit 253 are adopted is subjected to the control of described control module 251, and described smart card module 23 is used to provide various application services.
The interface protocol that described control module 251 supporting interface unit 253 are adopted is used to handle the order from the outside Non-contact Media Reader of radio-frequency antenna 24 receptions, thereby smart card module 23 or RF processing unit 252 is controlled.
Described RF processing unit 252 comprises encoding and decoding subelement 2521, the modulation subelement 2522 that is electrically connected with encoding and decoding subelement 2521, the power amplification subelement 2523 that is electrically connected with described modulation subelement 2522; Described encoding and decoding subelement 2521 is used for according to radio frequency protocol encoding and decoding rf data; Described modulation subelement 2522, be used to modulate described rf data and be corresponding radiofrequency signal or radiofrequency signal is demodulated into corresponding rf data, described power amplification subelement 2523 is used to amplify radiofrequency signal, to guarantee the communication efficiency of radio-frequency antenna 24 and outside Non-contact Media Reader.
In the prior art, adopt the ISO7816 interface to communicate between smart card module and the storage card control module, interface unit 253 adopts I among the utility model embodiment
2Therefore C interface adopts to have I
2The smart card module 23 of C interface, this smart card module 23 is supported I
2The C interface agreement, and between smart card module 23 and control module 251, adopt and support I
2The interface unit 253 of C interface communicates, to improve the traffic rate between smart card module 23 and the control module 251; ISO7816 interface protocol clock regulation maximum is no more than 5MHZ, calculates with the frequency of 5M so, and the ISO7816 interface can reach the transfer rate of 62.5Kbps under the fastest transfer rate, and I
2C interface rapid rate on existing device can reach 3.4Mbps; In the utility model embodiment, can also adopt transfer rate SPI interface or S faster
2C interface replaces I
2C interface is electrically connected smart card module 23 and control module 251, needs accordingly to adopt to have SPI interface or S
2The smart card module 23 of C interface and control module 251, smart card module 23 and control module 251 are supported SPI interface protocol or S respectively
2The C interface agreement.
Described radio-frequency antenna 24 comprises 13.56MHz antenna 241 and 2.4GHz antenna 242, and described 13.56MHz antenna 241 is used to receive and send the radiofrequency signal of 13.56MHz frequency, and described 2.4GHz antenna 242 is used to receive and send the radiofrequency signal of 2.4GHz frequency.
In sum, the utility model embodiment is by being electrically connected an integrated control module, can handling RF processing unit, the I of 13.56MHz and two kinds of radiofrequency signals of 2.4GHz between smart card module and radio-frequency antenna
2The radio frequency control module of C interface connects the interface that adopts standard between radio-frequency antenna and the smart card module, and radio-frequency antenna can be complementary with all smart card module chips easily.Simultaneously, the utility model embodiment adopts the RF processing unit that can handle 13.56MHz and two kinds of radiofrequency signals of 2.4GHz, and be electrically connected the radio-frequency antenna of 13.56MHz and two kinds of frequencies of 2.4GHz, enlarged the scope of application of described contactless smart storage card.
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 (3)
1. a contactless smart storage card comprises the storage card control module, and memory card interface, memory module and smart card module with described storage card control module is electrically connected respectively is characterized in that, described contactless smart storage card also comprises:
With the radio frequency control module that described smart card module is electrically connected, described smart card module has I
2C interface, SPI interface or S
2C interface;
The radio-frequency antenna that is electrically connected with described radio frequency control module;
Described radio frequency control module comprises:
With the interface unit that described smart card module is electrically connected, described interface unit is I
2C interface, SPI interface or S
2C interface;
With the control module that described interface unit is electrically connected, described control module has I
2C interface, SPI interface or S
2C interface;
Be electrically connected with described control module, be used to handle the RF processing unit of at least two kinds of radiofrequency signals.
2. contactless smart storage card as claimed in claim 1 is characterized in that, described RF processing unit comprises:
The encoding and decoding subelement that is electrically connected with described control module;
The modulation subelement that is electrically connected with described encoding and decoding subelement;
The power amplification subelement that is electrically connected with described modulation subelement and radio-frequency antenna respectively.
3. contactless smart storage card as claimed in claim 1 is characterized in that, described radio-frequency antenna comprises:
13.56MHz antenna and 2.4GHz antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201497979U CN201622594U (en) | 2010-03-30 | 2010-03-30 | Non-contact smart memory card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201497979U CN201622594U (en) | 2010-03-30 | 2010-03-30 | Non-contact smart memory card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201622594U true CN201622594U (en) | 2010-11-03 |
Family
ID=43026053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201497979U Expired - Fee Related CN201622594U (en) | 2010-03-30 | 2010-03-30 | Non-contact smart memory card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201622594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862553A (en) * | 2017-11-30 | 2019-06-07 | 华为技术有限公司 | Terminal and communication means |
-
2010
- 2010-03-30 CN CN2010201497979U patent/CN201622594U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862553A (en) * | 2017-11-30 | 2019-06-07 | 华为技术有限公司 | Terminal and communication means |
| US11487910B2 (en) | 2017-11-30 | 2022-11-01 | Huawei Technologies Co., Ltd. | Terminal and communication 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: 20101103 Termination date: 20150330 |
|
| EXPY | Termination of patent right or utility model |