CN101853422A - Dual-interface SD card - Google Patents
Dual-interface SD card Download PDFInfo
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- CN101853422A CN101853422A CN 201010198060 CN201010198060A CN101853422A CN 101853422 A CN101853422 A CN 101853422A CN 201010198060 CN201010198060 CN 201010198060 CN 201010198060 A CN201010198060 A CN 201010198060A CN 101853422 A CN101853422 A CN 101853422A
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Abstract
The invention discloses a dual-interface SD card and belongs to the technical fields of mobile communication equipment and mobile payment. The dual-interface SD card comprises a card substrate, a controller, an intelligent card chip, a storage, and a micro antenna, wherein the intelligent card chip and the storage are connected with the controller respectively; the intelligent card chip is connected with the micro antenna through a corresponding antenna pin; and the controller, the intelligent card chip, the storage, and the micro antenna are embedded in the card substrate. By integrating a radio frequency antenna through low temperature co-fired ceramic, lamination, thin film and film coating, and other technology, and by embedding the antenna into the conventional SD card, the embedding and miniaturization of the antenna are realized.
Description
Technical field
The present invention relates to mobile communication equipment and mobile payment technical field, particularly a kind of dual-interface SD card.
Background technology
By up till now, China is existing to surpass 700,000,000 cellphone subscriber.Meanwhile, mobile phone has been not only simple conversation instrument, and it becomes numerous functions multifunctional products such as afflux media player, Digital Video, stored value card just day by day.Wherein, be subjected to increasing attention, and be considered to have wide development space in future with the closely-related mobile-phone payment function of cellphone subscriber.
The mobile payment of China at present also is in the starting stage, and the payment that realizes with the wireless short-distance communication mode based on mobile phone mainly contains several solutions such as NFC (Near Field Communication, wireless near field communication), RF-SIM and double-interface SIM card.But owing to having the technical standard disunity, lacking all extensive commercializations of acquisition as yet of problems such as successful business operation model and mobile phone terminal potential safety hazard.
The NFC scheme is a wireless technology of being united release in recent years by companies such as Nokia, Phillips, basic way is to add the FR module that is used to pay in newly-designed mobile phone, can discern and exchanges data with compatible equipment in short distance, frequency of operation is 13.56MHz.This method can solve better utilizes mobile phone to carry out the problem of radio-frequency (RF) identification, but the user must go to transform existing mobile phone, even buys a brand-new mobile phone, causes the huge waste of social resources.
The another kind of wireless short-distance communication technology: RF-SIM, i.e. radio-frequency (RF) identification SIM card.It realizes the purpose of closely identification and financial payment by internal short-range identification chip in SIM card on mobile phone, frequency of operation is 2.4GHz.But there is following urgent problem in this technology at present:
(1) incompatible with existing international radio frequency standard 13.56MHz, so just need transform arrangement for reading, payment devices that present finance, communal facility adopt, cost is higher;
(2) using the microwave frequency of 2.4GHz to carry out data communication does not have the standard can reference, and there is very big risk in a lot of aspects actual verification of still needing in the application process;
(3) need telecom operators to support, existing SIM card is changed.
With respect to above two kinds of technology, the double-interface SIM card scheme is owing to support that the ISO14443A/B standard is the international standard of industry maturation, and do not need to change mobile phone and have certain advantage, but because antenna adopts external mode in this scheme, simultaneously when the user changes SIM card, contact type intelligent card in the SIM card also needs to change, and has equally also caused the waste of resource, has increased unnecessary cost.
In existing some other scheme, broken away from telecom operators, then by transforming the structure of intelligent SD storage card, tried hard to realize the contactless communication of mobile phone by the SD card.As in the SD card, increasing the NFC chip or making the SD jig that the function of non-contact card be arranged by modes such as pasters.But above-mentioned all schemes have a common characteristic: the antenna of realizing contactless communication all adopts external mode to be installed in the shell or the enclosure interior of mobile phone or directly is integrated in the mobile phone PCB circuit board, direct result of doing like this or needs are transformed mobile phone or must be made antenna external, cause antenna to be subjected to the influence of external environment factor very strong, and then causing the stability of antenna to reduce, the antenna life-span shortens.
Along with the continuous development of radio communication, the integrated level of communication facilities is more and more higher, makes that its volume is more and more littler, and this has just proposed the requirement of miniaturization to antenna; Along with the continuous appearance of new material, new technology, existing external huge Anneta module will certainly suffer from eliminating simultaneously.
Summary of the invention
Huge in order to solve existing contactless smart card antenna volume, problems such as Installation and Debugging difficulty, the invention provides a kind of dual-interface SD card, by LTCC (Low Temperature Co-fired Ceramic, LTCC), technology integrated RF antenna such as stacked, film and plated film, it is encapsulated in the existing SD card, has realized embeddedization and the miniaturization of antenna.
Dual-interface SD card provided by the invention comprises card substrate, controller, intelligent card chip, storer and miniature antenna; Described intelligent card chip is connected with controller respectively with storer, and described intelligent card chip is connected with miniature antenna by corresponding day wire pin; Described controller, intelligent card chip, storer and miniature antenna are embedded on the described card substrate.
Described intelligent card chip is the double-interface smart card chip; Described double-interface smart card chip is passive or active double-interface smart card chip.
Described double-interface smart card chip meets ISO/IEC 7816 standard agreements, and supports multiple serial and parallel interface when working in the contact communication modes, comprises ISO/IEC7816 interface, SPI interface, I2C interface and PS/2 interface.
Described double-interface smart card chip is when working in contactless communication modes, and frequency of operation is 13.56Mhz, and meets the noncontact communication of ISO/IEC 14443 standards with the contactless smart card read/write device.
Described double-interface smart card chip can be realized various safe information interactions with described external unit when working in the contact communication modes with external unit.
Described double-interface smart card chip is when working in contactless communication modes, can receive the signal that described miniature antenna transmission comes, and signal is sent to described miniature antenna, described double-interface smart card chip internal storing applied data is realized various non-contact application.
Described passive double-interface smart card chip provides institute's energy requirement by described miniature antenna when working in the noncontact communication modes; Described active double-interface smart card chip provides institute's energy requirement by described controller when working in the noncontact communication modes.
Described miniature antenna is for adopting the integrated RF antenna of LTCC, stacked, film and coating technique preparation; Described miniature antenna is positioned at the outer ledge of described card substrate.
The apparent size of described dual-interface SD card is identical with the apparent size of Micro SD, mini SD, SD card.
Described dual-interface SD card can be applicable in mobile phone, PDA, MP3, MP4, computer and the digital camera.
Compared with prior art, the beneficial effect of technical solution of the present invention generation is as follows:
1, the present invention adopts the miniature antenna technology, has realized the miniaturization of antenna, and has realized the built-in of antenna thus, on the basis that guarantees the radio-frequency (RF) identification performance, solve external fracture that in installation process, causes of antenna and breaking-up, improved the stability of antenna, the serviceable life that has strengthened the SD card;
2, the frequency of operation of dual-interface SD card of the present invention is 13.56MHz, meet the ISO14443 standard, with present most of rf terminal compatibilities, need not transform existing rf terminal, simultaneously owing to meet the ISO14443 standard, the applied environment comparative maturity is easier to promote, and does not have problems such as using risk;
3, because the present invention just improves the inner structure of existing SD card, and profile and size are identical with the SD card, just there is not the problem that existing handset structure is transformed in this.
Description of drawings
Fig. 1 is the dual-interface SD card inner structure synoptic diagram that the embodiment of the invention provides;
Fig. 2 is that dual-interface SD that the embodiment of the invention provides is stuck in the application synoptic diagram in the mobile phone;
Fig. 3 is the another kind of dual-interface SD card inner structure synoptic diagram that the embodiment of the invention provides.
Embodiment
Below in conjunction with drawings and Examples, technical solution of the present invention is further described.
The embodiment of the invention provides a kind of solution of dual-interface SD card, by adopting up-to-date miniature antenna technology---LTCC technology, miniature antenna is integrated into SD card inside, under the situation of not transforming existing contactless smart card read/write device and mobile phone, realized the contactless close distance radio frequency communication of mobile phone.Be example with the Micro SD card that is applicable to mobile phone below, set forth technical scheme of the present invention.
Referring to Fig. 1, present embodiment provides a kind of pair of interface Micro SD card, comprises card substrate 100, controller 101, double-interface smart card chip (Smart Card) 102, FLASH storer 103 and miniature antenna 104.Controller 101, double-interface smart card chip 102, FLASH storer 103 and miniature antenna 104 are embedded on the card substrate 100 of two interfaces Micro SD card.Wherein, double-interface smart card chip 102 is connected with controller 101 respectively with FLASH storer 103, and double-interface smart card chip 102 is connected with miniature antenna 104 by corresponding day wire pin simultaneously.Controller 101 is used to discern the operation of external unit to two interfaces Micro SD card, if external unit is that double-interface smart card chip 102 is then visited in the operation of double-interface smart card chip 102, otherwise, visit FLASH storer 103.Double-interface smart card chip 102 can be passive or active double-interface smart card chip; Passive double-interface smart card chip provides institute's energy requirement by miniature antenna 104 when working in the noncontact communication modes; Active double-interface smart card chip provides institute's energy requirement by controller 101 when working in the noncontact communication modes.
When double-interface smart card chip 102 is operated in the noncontact communication modes with miniature antenna 104, double-interface smart card chip 102 is used to receive the signal that miniature antenna 104 transmission come, and signal is sent to miniature antenna 104, realize the contactless communication function; Double-interface smart card chip 102 storage inside application datas realize various Secure Application, for example functions such as wallet bankbook, mass transit card.
In addition, when double-interface smart card chip 102 is operated in contact communication modes following time, support multiple serial and parallel interface, comprise ISO/IEC7816 interface, SPI interface, I2C interface and PS/2 interface etc., can realization and the security information of external unit such as mobile phone, computer mutual.In the practical application, when dual-interface SD is placed in mobile phone or the computer equipment, can realize the online of double-interface smart card chip 102 supplemented with money by mobile phone or computer network, and can be by the personal information in mobile phone or the computer network inquiry double-interface smart card chip 102, account balance, transaction record etc.; Can also utilize the key information of storage in the double-interface smart card chip 102, realize the authentication of the Mobile banking or the Internet bank.
The apparent size of the two interfaces Micro SD card in the embodiment of the invention is identical with existing common Micro SD card apparent size, and frequency of operation is 13.56MHz.Two interfaces Micro SD card and contactless smart card read/write device carry out communication, meet ISO/IEC 14443 communication standards; When two interfaces Micro SD card is operated in the contact communication modes, meet ISO/IEC 7816 communication standards.This pair interface Micro SD card just can directly insert in the existing mobile phone and use like this, has promptly kept the original memory function of Micro SD card, realizes the mass memory of data, provides contact and noncontact two kinds of communication modes again; When using simultaneously, need not outside non-contact read-write equipment is transformed.
When being applied in the mobile communication equipments such as mobile phone at two interfaces Micro SD card that present embodiment is provided, in order to improve the signal intensity of two interfaces Micro SD card, reduce the interference of mobile phone, miniature antenna 104 can be arranged at the outer ledge of card substrate 100 inside.As shown in Figure 2,201 is a cell phone apparatus among the figure, and have Micro SD draw-in groove 202, two interfaces Micro SD card 204 is placed draw-in groove 202 by direction as shown, the miniature antenna of realizing non-contact function is built in zone shown in 203, be the card substrate outer ledge, so just guaranteed that after two interface Micro SD were placed in the mobile phone, inner miniature antenna was not disturbed by battery of mobile phone and circuit board.In addition, can also strengthen the signal and the antijamming capability of miniature antenna by other modes, for example increase signal amplification circuit, or use active double-interface smart card chip to provide institute's energy requirement to improve the ability that wireless signal receives and launches by controller in card substrate inside.
Miniature antenna is one of research object of antenna miniaturization.As everyone knows, the length and the wavelength of antenna are directly proportional, and are inversely proportional to frequency, and frequency is high more, and wavelength is short more, and antenna also just can be done shortly more.Existing card frequency of operation with non-contact function generally all is 13.56Mhz, compares with the frequency of operation of 2.4Ghz, and antenna volume is huge.With existing Micro SD card is example, international standard is of a size of 11.0mm * 15.0mm * 1.0mm, if guarantee that frequency of operation still is 13.56Mhz, on the basis that does not change existing size, deduct the thickness of the shell of encapsulation, must make the thickness of antenna be not more than 0.8mm, length is not more than 9.0mm, realizes existing very big difficulty.
LTCC (LTCC) technology, it is a kind of multi-layer ceramics technology, it can bury passive element substrate inside and simultaneously active component is mounted on substrate surface, have very big dirigibility in design, really realized the three-dimensional structure that traditional polymer and traditional ceramics material can't obtain.Utilize LTCC to prepare the chip passive integrated devices and module has lot of advantages: the first, stupalith has good high frequency and high quality characteristic; The second, use the high metal material of conductivity as conductor material, help improving the quality factor of Circuits System; The 3rd, can adapt to big electric current and high-temperature stability requirement, and possess than the good heat conductivity of common PCB circuit substrate; The 4th, passive block can be imbedded in the Mulitilayer circuit board, help improving the packing density of circuit; The 5th, have temperature characterisitic preferably, count temperature coefficient as smaller thermal expansivity, less dielectric, can make the high circuit substrate of the number of plies.In addition, the production technology of discontinuous formula allows green sheet is checked, thereby the raising yield rate reduces production costs.At present, the LTCC technology is passive integrated mainstream technology, the integrated assembly of LTCC comprise various base plate carryings or in bury the product of various active or passive component, integrated subassembly product project comprises spare part, substrate and module.Just because of possessing above high temperature tolerance, high thermoconductivity, high moisture-proof, low dielectric loss and good characteristics such as high-frequency and high-Q characteristic, make LTCC be very suitable for material as miniature antenna.And the multilayer technique that LTCC technology is possessed makes the layout of antenna move towards three-dimensional from one dimension, for good process conditions have been created in the miniaturization of antenna.
The present invention utilizes technology such as LTCC, stacked, film and plated film to dwindle antenna volume, on the basis that is not changing existing SD card outward appearance and size, has realized embeddedization of antenna and the miniaturization of frequency of operation 13.56Mhz.Make the problem of difficulty for solving the little built-in aerial that brings of Micro SD card size simultaneously, the present invention adopts the method for making of miniature antenna, under the situation that is not changing existing Micro SD card outward appearance and size, make the antenna size can be enough little, realize the built-in of antenna.
Present embodiment makes full use of the These characteristics integrated RF antenna of LTCC technology and is built in existing Micro SD card inside.Because the employing of this technology has realized the miniaturization of noncontact antenna, built-in mode makes antenna structure compacter simultaneously, has avoided external fracture that causes of antenna and breaking-up, has guaranteed the stability of antenna effectively, has prolonged the serviceable life of antenna.In addition, because the employing of this technology not only makes the antenna radio-frequency enabled obtain effective assurance, and this noncontact Micro SD card is operated under the 13.56MHZ pattern become possibility, application with reference to existing ISO14443 standard realization such as numerous maturations such as stored value card, mass transit card, and do not need existing mobile phone and POS terminal are transformed, saved social resources.
Fig. 3 shows another two interfaces Micro SD card, comprises card substrate 300, controller 301, FLASH storer 303 and miniature antenna 302.Wherein, FLASH storer 303 is connected with controller 301, and controller 301 is connected with miniature antenna 302 by corresponding day wire pin simultaneously.Controller 301, FLASH storer 303 and miniature antenna 302 are embedded on the card substrate 300 of noncontact Micro SD card.The apparent size of two interfaces MicroSD card is identical with the apparent size of existing common Micro SD card, and frequency of operation is 13.56MHz.This pair interface Micro SD card just can directly insert in the existing mobile phone and use like this, has promptly kept the original memory function of Micro SD card, realizes the mass memory of data, can realize the contactless communication function of mobile phone again by inner miniature antenna 302.FLASH storer 303 is not only realized the storage of personal data, simultaneously is connected the various application services of realization with built-in miniature antenna 302.
In actual applications, the inner structure of two interfaces Micro SD card that present embodiment provides, can be applied to fully among common SD and the mini SD, thereby form the dual-interface SD card of multiple shape, to be applicable to the equipment of distinct interface form, have in the equipment of SD slot as mobile phone, PDA, MP3, MP4, PC, digital camera etc.
Dual-interface SD card in the embodiment of the invention is except that can be used for ripe application such as existing stored value card/bankbook, public transport, also support other multiple application, comprise: meet the rapid payment (QPBOC) of PBOC debt-credit note standard, and the various non-contact application that meet the EMV standard.
Controller in the present embodiment, double-interface smart card chip and FLASH storer are prior aries, and its inner structure is a technology as well known to those skilled in the art, and can directly buy acquisition on market, do not do description at this.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a dual-interface SD card is characterized in that, comprises card substrate, controller, intelligent card chip, storer and miniature antenna; Described intelligent card chip is connected with controller respectively with storer, and described intelligent card chip is connected with miniature antenna by corresponding day wire pin; Described controller, intelligent card chip, storer and miniature antenna are embedded on the described card substrate.
2. dual-interface SD card as claimed in claim 1 is characterized in that, described intelligent card chip is the double-interface smart card chip; Described double-interface smart card chip is passive or active double-interface smart card chip.
3. dual-interface SD card as claimed in claim 2, it is characterized in that, described double-interface smart card chip is when working in the contact communication modes, meet ISO/IEC 7816 standard agreements, and support multiple serial and parallel interface, comprise ISO/IEC7816 interface, SPI interface, I2C interface and PS/2 interface.
4. dual-interface SD card as claimed in claim 2, it is characterized in that, described double-interface smart card chip is when working in contactless communication modes, and frequency of operation is 13.56Mhz, and meets the noncontact communication of ISO/IEC 14443 standards with the contactless smart card read/write device.
5. dual-interface SD card as claimed in claim 2 is characterized in that, described double-interface smart card chip can be realized various safe information interactions with described external unit when working in the contact communication modes with external unit.
6. dual-interface SD card as claimed in claim 2, it is characterized in that, described double-interface smart card chip is when working in contactless communication modes, can receive the signal that described miniature antenna transmission comes, and signal is sent to described miniature antenna, described double-interface smart card chip internal storing applied data is realized various non-contact application.
7. dual-interface SD card as claimed in claim 2 is characterized in that, described passive double-interface smart card chip provides institute's energy requirement by described miniature antenna when working in the noncontact communication modes; Described active double-interface smart card chip provides institute's energy requirement by described controller when working in the noncontact communication modes.
8. dual-interface SD card as claimed in claim 1 is characterized in that, described miniature antenna is for adopting the integrated RF antenna of LTCC, stacked, film and coating technique preparation; Described miniature antenna is positioned at the outer ledge of described card substrate.
9. dual-interface SD card as claimed in claim 8 is characterized in that, the apparent size of described dual-interface SD card is identical with the apparent size of Micro SD, mini SD, SD card.
10. dual-interface SD card as claimed in claim 1 is characterized in that described dual-interface SD card can be applicable in mobile phone, PDA, MP3, MP4, computer and the digital camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010198060 CN101853422A (en) | 2010-06-11 | 2010-06-11 | Dual-interface SD card |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010198060 CN101853422A (en) | 2010-06-11 | 2010-06-11 | Dual-interface SD card |
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| CN101853422A true CN101853422A (en) | 2010-10-06 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279940A (en) * | 2011-04-06 | 2011-12-14 | 武汉天喻信息产业股份有限公司 | SD card for mobile payment on the basis of SWP protocol |
| CN102593667A (en) * | 2011-01-05 | 2012-07-18 | 付建云 | MicroSD cassette with radio frequency signal amplifying circuit |
| CN102750567A (en) * | 2012-05-31 | 2012-10-24 | 瑞达信息安全产业股份有限公司 | Secure digital (SD) card supporting multiple accounts and capable of being used for remote mobile payment and short range communication |
| CN102752008A (en) * | 2012-06-05 | 2012-10-24 | 上海坤锐电子科技有限公司 | Active signal enhancer and radio frequency identification system thereof |
| CN102799929A (en) * | 2011-06-24 | 2012-11-28 | 深圳光启高等理工研究院 | Subscriber identity module (SIM) card and radio frequency identification system thereof |
| CN102799930A (en) * | 2011-06-24 | 2012-11-28 | 深圳光启高等理工研究院 | SIM (Subscriber Identity Module) card and radio frequency identification system thereof |
| CN102799927A (en) * | 2011-06-24 | 2012-11-28 | 深圳光启高等理工研究院 | SD (secure digital memory) card and RFID (radio frequency identification) system comprising same |
| CN102799926A (en) * | 2011-06-24 | 2012-11-28 | 深圳光启高等理工研究院 | SD (secure digital memory) card and RFID (radio frequency identification) system comprising same |
| CN102810178A (en) * | 2011-06-24 | 2012-12-05 | 深圳光启高等理工研究院 | SD card and radio frequency identification system thereof |
| CN102890789A (en) * | 2011-06-24 | 2013-01-23 | 深圳光启高等理工研究院 | SD card (secure digital memory card) and radio frequency identification system of SD card |
| CN103186497A (en) * | 2011-12-31 | 2013-07-03 | 国民技术股份有限公司 | Parallel communication control system and method |
| CN103886364A (en) * | 2014-02-18 | 2014-06-25 | 北京中清怡和科技有限公司 | Memory card with intelligent chip |
| CN104425327A (en) * | 2013-08-24 | 2015-03-18 | 恩门科技股份有限公司 | Chip card combination structure and method thereof |
| CN108345931A (en) * | 2018-02-06 | 2018-07-31 | 浙江大学 | USB/Lightning-NFC interface cards |
| CN111104999A (en) * | 2018-10-26 | 2020-05-05 | 紫光同芯微电子有限公司 | Smart card with SIM and WIFI wireless storage functions simultaneously |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201408549Y (en) * | 2009-05-13 | 2010-02-17 | 深圳市江波龙电子有限公司 | U flash drive and smart card combined equipment |
| CN201417464Y (en) * | 2009-05-12 | 2010-03-03 | 深圳市江波龙电子有限公司 | SD card |
-
2010
- 2010-06-11 CN CN 201010198060 patent/CN101853422A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201417464Y (en) * | 2009-05-12 | 2010-03-03 | 深圳市江波龙电子有限公司 | SD card |
| CN201408549Y (en) * | 2009-05-13 | 2010-02-17 | 深圳市江波龙电子有限公司 | U flash drive and smart card combined equipment |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593667A (en) * | 2011-01-05 | 2012-07-18 | 付建云 | MicroSD cassette with radio frequency signal amplifying circuit |
| CN102279940A (en) * | 2011-04-06 | 2011-12-14 | 武汉天喻信息产业股份有限公司 | SD card for mobile payment on the basis of SWP protocol |
| CN102890789B (en) * | 2011-06-24 | 2016-05-04 | 深圳光启高等理工研究院 | A kind of SD card and radio-frequency recognition system thereof |
| CN102799926B (en) * | 2011-06-24 | 2015-11-18 | 深圳光启高等理工研究院 | A kind of SD card and radio-frequency recognition system thereof |
| CN102799929A (en) * | 2011-06-24 | 2012-11-28 | 深圳光启高等理工研究院 | Subscriber identity module (SIM) card and radio frequency identification system thereof |
| CN102799930A (en) * | 2011-06-24 | 2012-11-28 | 深圳光启高等理工研究院 | SIM (Subscriber Identity Module) card and radio frequency identification system thereof |
| CN102799927A (en) * | 2011-06-24 | 2012-11-28 | 深圳光启高等理工研究院 | SD (secure digital memory) card and RFID (radio frequency identification) system comprising same |
| CN102799926A (en) * | 2011-06-24 | 2012-11-28 | 深圳光启高等理工研究院 | SD (secure digital memory) card and RFID (radio frequency identification) system comprising same |
| CN102810178A (en) * | 2011-06-24 | 2012-12-05 | 深圳光启高等理工研究院 | SD card and radio frequency identification system thereof |
| CN102890789A (en) * | 2011-06-24 | 2013-01-23 | 深圳光启高等理工研究院 | SD card (secure digital memory card) and radio frequency identification system of SD card |
| CN102799927B (en) * | 2011-06-24 | 2016-04-06 | 深圳光启高等理工研究院 | A kind of SD card and radio-frequency recognition system thereof |
| CN103186497A (en) * | 2011-12-31 | 2013-07-03 | 国民技术股份有限公司 | Parallel communication control system and method |
| CN102750567A (en) * | 2012-05-31 | 2012-10-24 | 瑞达信息安全产业股份有限公司 | Secure digital (SD) card supporting multiple accounts and capable of being used for remote mobile payment and short range communication |
| CN102752008A (en) * | 2012-06-05 | 2012-10-24 | 上海坤锐电子科技有限公司 | Active signal enhancer and radio frequency identification system thereof |
| CN104425327A (en) * | 2013-08-24 | 2015-03-18 | 恩门科技股份有限公司 | Chip card combination structure and method thereof |
| CN104425327B (en) * | 2013-08-24 | 2017-08-25 | 英属维京群岛爱邦卡司有限公司 | Chip card combining structure and its method |
| CN103886364A (en) * | 2014-02-18 | 2014-06-25 | 北京中清怡和科技有限公司 | Memory card with intelligent chip |
| CN108345931A (en) * | 2018-02-06 | 2018-07-31 | 浙江大学 | USB/Lightning-NFC interface cards |
| CN111104999A (en) * | 2018-10-26 | 2020-05-05 | 紫光同芯微电子有限公司 | Smart card with SIM and WIFI wireless storage functions simultaneously |
| CN111104999B (en) * | 2018-10-26 | 2024-05-28 | 紫光国芯微电子股份有限公司北京分公司 | Smart card with SIM and WIFI wireless storage functions |
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Application publication date: 20101006 |