CN102289710A - Secure digital (SD) memory card having function of subscriber identity model (SIM) card - Google Patents
Secure digital (SD) memory card having function of subscriber identity model (SIM) card Download PDFInfo
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- CN102289710A CN102289710A CN2010102038062A CN201010203806A CN102289710A CN 102289710 A CN102289710 A CN 102289710A CN 2010102038062 A CN2010102038062 A CN 2010102038062A CN 201010203806 A CN201010203806 A CN 201010203806A CN 102289710 A CN102289710 A CN 102289710A
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Abstract
A secure digital (SD) memory card having the function of a subscriber identity model (SIM) card not only has a memory cell (1), a card controller (2) and an interface pin (3) of an ordinary SD memory card, but also has a central processing unit (CPU) circuit (4) which is used for authenticating the identity of a mobile telephone service subscriber. The CPU circuit (4) is internally provided with an authentication key Ki, an international mobile subscriber identification number (IMSI) and a security algorithm, and can be connected with a mobile phone circuit by a card controller (2) and an interface pin (3) so as to provide a mobile phone the function of authenticating the identity of the mobile phone service subscriber of the ordinary SIM card. The memory card can provide enough storage capacity for a subscriber to store a telephone book, a short message, an E-mail and the like, so that the subscriber can move the telephone number as well as the telephone book, short message, E-mail and all the related personal information to a new telephone conveniently when changing the telephone.
Description
[technical field]
The present invention relates to electronics and mechanics of communication, particularly relate to a kind of SD memory card with SIM card function.
[background technology]
The most of identity that adopts SIM card to authenticate the mobile phone user of present mobile phone is inserted SIM card in the mobile phone, and this mobile phone just can use the identity of this SIM card to insert mobile telephone network, converses in mobile telephone network with the telephone number of this SIM card correspondence.When the user will change mobile phone,, just can use this new mobile phone to insert mobile telephone network with the identity of this SIM card as long as the SIM card taking-up is put in the new mobile phone.SIM card is except being used to discern mobile phone user's the identity, contents such as all right stored telephone book, short message, but because the storage volume of SIM card is limited, and the SIM card telephone directory is restricted to stored information, usually each notes record only allows to store a name and a telephone number, other information is address, exabyte, fax, e-mail address etc. for example, all can not be stored in the SIM card, can only be stored in the telephone directory of mobile phone.When changing mobile phone, except SIM card being moved on in the new mobile phone, a lot of people also need contents such as the telephone directory in the old mobile phone, short messages, transfer in the new mobile phone, normally contents such as the telephone directory in the old mobile phone, short message are transformed in the computing machine, from computing machine these contents are forwarded in the new mobile phone, this people to frequent replacing new cell-phone is very inconvenience again.
[summary of the invention]
Purpose of the present invention, be to provide a kind of SD memory card with SIM card function, except the function that conventional SD memory card is provided, the function of the identification mobile phone user identity of conventional SIM card also is provided, and provide enough big storage volume, store a large amount of personal informations for the user, for example telephone directory, short message, Email etc.Use memory card of the present invention, can easily change mobile phone quickly,, just can simultaneously contents such as telephone directory, short message, Email be moved on to new mobile phone as long as memory card of the present invention is moved on in the new mobile phone.
The object of the present invention is achieved like this, adopt a kind of like this SD memory card with SIM card function, it is characterized in that, described memory card possesses the parts and the function of conventional SD memory card, comprise storage unit (1), card controller (2), interface pin (3) etc., described card controller (2) is connected by the read write line circuitry phase of interface pin (3) with the outside, card controller (2) is connected with storage unit (1) circuitry phase, storage unit is provided with internal memory and Memory Controller Hub in (1), can storage data, outside read write line carries out read-write operation by card controller (2) to storage unit (1), these all are parts and function that conventional SD memory card is possessed, memory card also is provided with the cpu circuit (4) that is used to authenticate mobile phone service-user identity, wherein, described cpu circuit is provided with KI Ki in (4), IMSI, and establish security algorithm, KI Ki and IMSI and security algorithm all are that conventional SIM card possesses, cpu circuit (4) is connected with card controller (2) circuitry phase, can pass through card controller (2) access memory cell (1), with by card controller (2) and outside exchange message, for example be connected with mobile phone circuit with interface pin (3), thereby the function of the authentication mobile phone service-user identity that conventional SIM card provides is provided to mobile phone by card controller (2).
In addition, among the instruction set that the card controller of memory card of the present invention (2) is accepted, except the instruction that possesses conventional SD memory card, also to add the instruction that conventional SIM card is used to authenticate mobile phone service-user identity, just among the instruction set of card controller (2), comprised the instruction that conventional SD memory card and conventional SIM card are possessed simultaneously.Use the mobile phone of memory card of the present invention, as long as be provided with conventional SD memory card receptacle, and need not to be provided with present conventional sim card socket, mobile phone circuit is connected with memory card circuitry phase of the present invention by the SD memory card receptacle, and, provide the function of authentication mobile phone service-user identity to mobile phone by the interface pin (3) of memory card and cpu circuit (4) exchange message in the memory card.
So just realized purpose of the present invention well.
In the present invention, described memory card provides the function of storage area and conventional SIM card identification mobile phone user identity simultaneously, the user can be with personal informations of all relevant individuals telephone directory for example, short message, e-mail, p.m.entry, contents such as calendar, all be stored in the memory card of the present invention, and the storage area in the mobile phone gives over to other purposes, during so each replacing mobile phone, as long as memory card of the present invention is moved on in the new mobile phone, just can be with telephone number together with telephone directory, short message, e-mail, p.m.entry, contents such as calendar, all move on in the new mobile phone, convenient and swift.
[description of drawings]
Fig. 1 is the structural representation key diagram of the memory card of the first embodiment of the present invention;
Fig. 2 is the structural representation key diagram of the memory card of the second embodiment of the present invention;
Fig. 3 is the image schematic illustration of the memory card of the second embodiment of the present invention;
Fig. 4 is the image schematic illustration of the memory card of the third embodiment of the present invention;
Fig. 5 is the image schematic illustration of the memory card of the fourth embodiment of the present invention;
Fig. 6 is the image schematic illustration of the memory card of the fifth embodiment of the present invention;
Among the figure, the device that identical digitized representation is identical, parts device, accompanying drawing are schematically, in order to formation of the present invention and principal character to be described.
[embodiment]
Below in conjunction with accompanying drawing, method of the present invention is described in further detail.
Consult Fig. 1, Fig. 1 is the structural representation key diagram of the memory card of the first embodiment of the present invention, memory card shown in Fig. 1 possesses the parts and the function of conventional SD memory card, comprise storage unit (1), card controller (2), interface pin (3) etc., also be provided with the cpu circuit (4) that is used to authenticate mobile phone service-user identity, wherein, described cpu circuit (4) is connected with card controller (2) circuitry phase, can pass through card controller (2) access memory cell (1), with by card controller (2) and outside exchange message, for example be connected with mobile phone circuit with interface pin (3), thereby the function of the authentication mobile phone service-user identity that conventional SIM card provides is provided to mobile phone by card controller (2).
In the present invention, described conventional SIM card is meant the SIM card that is used to discern mobile phone user's identity, comprise the employed SIM card of gsm mobile telephone network, the employed USIM of 3G mobile telephone network, available SIM card that is compatible with 2G and 3G mobile telephone network or the like, in the memory card of the present invention, be provided with the KI and the algorithm that are possessed in above-mentioned these SIM card.
Further improvement of the present invention is to increase electronic purse function, is provided with the electronic wallet application software that is used for little amount of money payment in described storage unit (1).Described electronic wallet application software is controlled by cpu circuit (4); and by cpu circuit (4) with cryptographic key protection; before each external unit carries out accessing operation to the data of stored value card; must carry out the secret key safety checking through cpu circuit (4); be proved to be successful back cpu circuit (4) and just carry out, comprise with this stored value card and operation such as pay, supplement with money about operating.
Memory card of the present invention is except providing than general conventional SIM more the storage volume; can also be with stored content with cryptoguard; realize that this defencive function is that storage unit (1) with memory card is divided into and includes protected partition and open partition; wherein; the external reader that open partition can be connected; carry out the read-write operation of conventional SD memory card by card controller (2); and protected partition by card controller (2) with cryptoguard; have only by after the password authentification success, card controller (2) just allows external reader to pass through card controller (2) protected partition of storage unit (1) is carried out read operation or write operation.So just information that can some are individual for example: telephone directory and/or short message storage area and/or e-mail storage area and/or p.m.entry and/or calendar etc. are arranged in the described protected partition.
Consult Fig. 2 and Fig. 3, Fig. 2 is the structural representation key diagram of the memory card of the second embodiment of the present invention, Fig. 3 is the image schematic illustration of the memory card of the second embodiment of the present invention, Fig. 2 compares with first embodiment of Fig. 1 with second embodiment shown in Fig. 3, the main difference part is that second embodiment has increased non-contact intelligent card function, memory card can be applied to the contactless payment purposes, memory card shown in Fig. 2 also is provided with radio frequency and receives radiating circuit (5) and antenna (6), wherein, radio frequency receives radiating circuit (5) and is connected with antenna (6) circuitry phase, by antenna (6) transmission/received RF signal, radio frequency receives radiating circuit (5) and is connected with cpu circuit (4) circuitry phase, cpu circuit (4) receives radiating circuit (5) by radio frequency and antenna (6) carries out wireless telecommunications with the outside, comprises that outside wireless card reading device is by antenna (6), radio frequency receives radiating circuit (5), cpu circuit (4) is with the electronic cash in the described stored value card of noncontact mode access.
Consult Fig. 4, Fig. 4 is the image schematic illustration of the memory card of the third embodiment of the present invention, the 3rd embodiment compares with second embodiment, the main difference part is also to be provided with the coil core of being made by permeability magnetic material (7) in the telefault of antenna (6) of the 3rd embodiment, can increase the inductance value of telefault, with the inductive coupling of enhancing antenna (6), improve both sides' communication quality with the aerial coil of external reader.In addition, the antenna of described memory card (6) also can adopt tours antenna or dipole antenna to constitute antenna (6) except can adopting the telefault formation, all can realize purpose of the present invention well equally.
Consult Fig. 5 and Fig. 6, Fig. 5 is the image schematic illustration of the memory card of the fourth embodiment of the present invention, Fig. 6 is the image schematic illustration of the memory card of the fifth embodiment of the present invention, compare with the 3rd embodiment, the main difference part is the profile size of memory card, the memory card of the 3rd embodiment is the physical dimension of conformance with standard SD memory card, the memory card of the 4th embodiment is the physical dimension of conformance with standard miniSD memory card, and the memory card of the 5th embodiment is the physical dimension of conformance with standard microSD memory card.In this manual, the physical dimension of described memory card comprises wherein a kind of in the following memory card size:
● SD (Secure Digital) card;
● miniSD (Mini Secure Digital) card;
● mircoSD (Micro Secure Digital) card;
● SDHC (Secure Digital High Capacity) card;
● miniSDHC (Mini Secure Digital High Capacity) card;
● mircoSDHC (Micro Secure Digital High Capacity) card;
● SDXC (Secure Digital eXtended Capacity) card;
● miniSDXC (Mini Secure Digital eXtended Capacity) card;
● mircoSDXC (Micro Secure Digital eXtended Capacity) card.
No matter adopting above any memory card size, all can realize purpose of the present invention well, all is to belong to protection scope of the present invention.
Below described the SD memory card with SIM card function of the present invention in detail, though the present invention is illustrated with the above embodiments, but the present invention is not limited to this, under the situation of the scope of not leaving spirit of the present invention and appended claims, can do multiple change and variation.
SD memory card with SIM card function of the present invention has possessed conventional SD memory card and conventional SIM card function simultaneously, uses the mobile phone of memory card of the present invention, need not conventional sim card socket as long as be provided with conventional SD memory card receptacle.Memory card of the present invention, except can discerning mobile phone user's identity, but the personal information of stored user also comprises telephone directory, short message, Email, p.m.entry, calendar etc., just passable, efficient and convenient when changing mobile phone as long as memory card of the present invention is moved on to new mobile phone.In addition, memory card of the present invention also is provided with stored value card, can carry out contactless mobile-phone payment by matching with mobile phone.
Claims (10)
1. SD memory card with SIM card function, it is characterized in that, described memory card possesses the parts and the function of conventional SD memory card, comprise storage unit (1), card controller (2), interface pin (3), also be provided with the cpu circuit (4) that is used to authenticate mobile phone service-user identity, wherein, described cpu circuit (4) is connected with card controller (2) circuitry phase, can pass through card controller (2) access memory cell (1), with by card controller (2) and outside exchange message, thereby the function of authentication mobile phone service-user identity is provided.
2. the SD memory card with SIM card function as claimed in claim 1 is characterized in that, is provided with the electronic wallet application software that is used for little amount of money payment in the described storage unit (1).
3. the SD memory card with SIM card function as claimed in claim 2; it is characterized in that; described electronic wallet application software is controlled by cpu circuit (4); and by cpu circuit (4) with cryptographic key protection; before each external unit carries out accessing operation to the data of stored value card; must carry out the secret key safety checking through cpu circuit (4), be proved to be successful back cpu circuit (4) and just carry out relevant operation.
4. the SD memory card with SIM card function as claimed in claim 1; it is characterized in that; described storage unit (1) includes protected partition; protected partition by card controller (2) with cryptoguard; have only by after the password authentification success, card controller (2) just allows external reader to pass through card controller (2) protected partition of storage unit (1) is carried out read operation or write operation.
5. the SD memory card with SIM card function as claimed in claim 4 is characterized in that, is provided with in the described protected partition to comprise: telephone directory and/or short message storage area and/or e-mail storage area and/or p.m.entry and/or calendar.
6. as claim 1 or 2 or 3 described SD memory cards with SIM card function, it is characterized in that, described memory card also is provided with radio frequency and receives radiating circuit (5) and antenna (6), wherein, radio frequency receives radiating circuit (5) and is connected with antenna (6) circuitry phase, by antenna (6) transmission/received RF signal, radio frequency receives radiating circuit (5) and is connected with cpu circuit (4) circuitry phase, and cpu circuit (4) receives radiating circuit (5) by radio frequency and antenna (6) carries out wireless telecommunications with the outside.
7. the SD memory card with SIM card function as claimed in claim 6 is characterized in that described antenna (6) is made of telefault.
8. the SD memory card with SIM card function as claimed in claim 6 is characterized in that described antenna (6) is a tours antenna.
9. the SD memory card with SIM card function as claimed in claim 6 is characterized in that described antenna (6) is a dipole antenna.
10. the SD memory card with SIM card function as claimed in claim 7 is characterized in that, also is provided with the coil core of being made by permeability magnetic material (7) in the described telefault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102038062A CN102289710A (en) | 2010-06-18 | 2010-06-18 | Secure digital (SD) memory card having function of subscriber identity model (SIM) card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102038062A CN102289710A (en) | 2010-06-18 | 2010-06-18 | Secure digital (SD) memory card having function of subscriber identity model (SIM) card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102289710A true CN102289710A (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102038062A Pending CN102289710A (en) | 2010-06-18 | 2010-06-18 | Secure digital (SD) memory card having function of subscriber identity model (SIM) card |
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| Country | Link |
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| CN (1) | CN102289710A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609740A (en) * | 2012-01-31 | 2012-07-25 | 潘铁军 | Mobile smart card system with identity authentication function and security method of mobile smart card system |
| RU182209U1 (en) * | 2017-11-28 | 2018-08-09 | Общество с ограниченной ответственностью "ЛАЙТ ЭЛЕКТРОНИКС" | MicroSD CARD COMBINED WITH SIM CARD |
| CN108701921A (en) * | 2016-11-03 | 2018-10-23 | 华为技术有限公司 | Sim card holder and sim card |
| WO2019108095A1 (en) * | 2017-11-28 | 2019-06-06 | Руслан Юрьевич АНДРЕЕВ | Microsd card combined with sim card |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030112611A1 (en) * | 2000-04-28 | 2003-06-19 | Hitachi, Ltd. | IC card |
| CN1696972A (en) * | 2004-05-11 | 2005-11-16 | 株式会社瑞萨科技 | IC card module |
| CN1795457A (en) * | 2003-04-17 | 2006-06-28 | 桑迪士克股份有限公司 | Memory cards including a standard security function |
-
2010
- 2010-06-18 CN CN2010102038062A patent/CN102289710A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030112611A1 (en) * | 2000-04-28 | 2003-06-19 | Hitachi, Ltd. | IC card |
| CN1795457A (en) * | 2003-04-17 | 2006-06-28 | 桑迪士克股份有限公司 | Memory cards including a standard security function |
| CN1696972A (en) * | 2004-05-11 | 2005-11-16 | 株式会社瑞萨科技 | IC card module |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609740A (en) * | 2012-01-31 | 2012-07-25 | 潘铁军 | Mobile smart card system with identity authentication function and security method of mobile smart card system |
| CN108701921A (en) * | 2016-11-03 | 2018-10-23 | 华为技术有限公司 | Sim card holder and sim card |
| RU182209U1 (en) * | 2017-11-28 | 2018-08-09 | Общество с ограниченной ответственностью "ЛАЙТ ЭЛЕКТРОНИКС" | MicroSD CARD COMBINED WITH SIM CARD |
| WO2019108095A1 (en) * | 2017-11-28 | 2019-06-06 | Руслан Юрьевич АНДРЕЕВ | Microsd card combined with sim card |
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| PB01 | Publication | ||
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Application publication date: 20111221 |