CN111935700B - Large-capacity SIM card and mobile terminal with same - Google Patents
Large-capacity SIM card and mobile terminal with same Download PDFInfo
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- CN111935700B CN111935700B CN202010760103.3A CN202010760103A CN111935700B CN 111935700 B CN111935700 B CN 111935700B CN 202010760103 A CN202010760103 A CN 202010760103A CN 111935700 B CN111935700 B CN 111935700B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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Abstract
The application relates to a large capacity SIM card and have mobile terminal of this SIM card relates to the communication technology field, and this SIM card includes: the first main control unit is internally provided with an SIM unit and is used for providing network communication service; an SD storage unit for storing data; the second main control unit is used for performing writing operation or reading operation on the SD storage unit; wherein the SD memory unit is configured to allow only a write operation or a read operation to the SD memory unit by the second master unit. The communication demand and the cell-phone storage demand that different SIM cards switched to carry out communication can be satisfied simultaneously in this application cooperation current multi-functional draw-in groove, improves user's use and experiences.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a high-capacity SIM card and a mobile terminal with the same.
Background
At present, most mobile phones of mobile phone manufacturers at home and abroad adopt the design of a multifunctional card slot, namely the card slot can be used for placing two SIM cards or one SIM card and one Micro SD card.
In the face of the card slot, a user faces an alternative choice, or gives up the Micro SD card in the card slot of the mobile phone and inserts 2 SIM cards at the same time; or the Micro SD card is inserted into the mobile phone card slot, but only one SIM card can be inserted.
When a SIM card and a Micro SD card are inserted, a user can have a larger storage space, but for the Micro SD card which is independently inserted into a mobile phone, a large-capacity storage area is not effectively protected, and once the mobile phone of the user is lost, the privacy and related data of the user can be leaked;
when two SIM cards are inserted, the user can use different SIM cards for communication, and the various communication requirements of the user are met.
Therefore, a new SIM card technical solution is now provided for better meeting the present diverse use requirements of users in cooperation with a multifunctional card slot.
Disclosure of Invention
The embodiment of the application provides a large capacity SIM card and have mobile terminal of this SIM card, cooperates current multi-functional draw-in groove, can satisfy different SIM cards simultaneously and switch communication demand and the cell-phone storage demand of carrying out communication, improves user's use and experiences.
In a first aspect, a high-capacity SIM card is provided, which includes:
the first main control unit is internally provided with an SIM unit and is used for providing network communication service;
an SD storage unit for storing data;
the second main control unit is used for performing writing operation or reading operation on the SD storage unit; wherein the content of the first and second substances,
the SD storage unit is configured to only allow the second master control unit to perform write operation or read operation on the SD storage unit;
a public data storage space and a private data storage space are arranged in the SD storage unit;
the private data storage space is configured to be inaccessible to and unformatable by an external device;
the first main control unit and the second main control unit are both configured with a private data protection secret key;
the second main control unit is also used for receiving a private data access request and forwarding the private data access request to the first main control unit;
the first main control unit is further configured to identify validity of the private data access request, and issue private control information to the second main control unit according to the private data protection key;
the second main control unit is also used for responding the private control information and performing writing operation or reading operation on the private data storage space;
the first main control unit directly transmits information with the first mobile terminal;
the second main control unit performs information transmission with the first mobile terminal through a communication middleware preset on the first mobile terminal;
the SIM card is installed on the first mobile terminal.
It should be noted that, in order to adapt to the existing multifunctional card slot, the size of the high-capacity SIM card in the embodiment of the present application needs to match with the existing multifunctional card slot.
In the embodiment of the application, the SIM card is assumed to be installed on the first mobile terminal;
the method comprises the following steps that firstly, a first main control unit is used for carrying out information transmission with a first mobile terminal, the first mobile terminal can be mobile equipment such as a mobile phone, a tablet or a smart watch and the like, the first mobile terminal is used for matching with a high-capacity SIM card to realize the function of a traditional SIM card, and the first main control unit is configured with the SIM unit, namely the first main control unit can be the traditional SIM card and provides network communication service for the first mobile terminal;
the SD memory unit is used for providing a data storage space so as to realize the data storage function of the large-capacity SIM card;
the second main control unit is used as a tool for accessing the SD storage unit in the high-capacity SIM card and performs writing operation or reading operation on the SD storage unit;
in order to ensure the security of the data inside the SD memory unit, the SD memory unit is configured to only allow the second master control unit to perform a write operation or a read operation on the SD memory unit, so as to avoid unauthorized changes of the data inside the large-capacity SIM card by other devices.
In this application embodiment, with the help of this large capacity SIM card, cooperate current multi-functional draw-in groove, can install two large capacity SIM cards simultaneously to can satisfy different SIM cards simultaneously and switch communication demand and the cell-phone storage demand of carrying out communication, improve user's use and experience.
Preferably, the first main control unit and the second main control unit are both configured with a private data protection key;
the second main control unit is also used for receiving a private data access request and forwarding the private data access request to the first main control unit;
the first main control unit is further configured to identify validity of the private data access request, and issue private control information to the second main control unit according to the private data protection key;
and the second main control unit is also used for responding the private control information and performing writing operation or reading operation on the private data storage space.
In addition, the second main control unit is further configured to receive a public data access request, and perform read-write operation on the public data storage space.
In a second aspect, a mobile terminal having a high-capacity SIM card is provided, the mobile terminal comprising:
a mobile terminal main body;
a communication middleware installed on the mobile terminal body;
a high-capacity SIM card, the high-capacity SIM card comprising:
a first main control unit, which is provided with a built-in SIM unit and is used for providing network communication service for the mobile terminal main body;
an SD storage unit for storing data;
the second main control unit is used for performing writing operation or reading operation on the SD storage unit; wherein, the first and the second end of the pipe are connected with each other,
the SD storage unit is configured to only allow the second master control unit to perform write operation or read operation on the SD storage unit;
the first main control unit directly transmits information with the mobile terminal main body;
the second main control unit transmits information with the mobile terminal main body through the communication middleware;
a public data storage space and a private data storage space are arranged in the SD storage unit;
the private data storage space is configured to be inaccessible to and unformatable by an external device;
the first main control unit and the second main control unit are both configured with a private data protection secret key;
the second main control unit is also used for receiving a private data access request sent by the mobile terminal main body through the communication middleware and forwarding the private data access request to the first main control unit;
the first main control unit is further configured to identify validity of the private data access request, and issue private control information to the second main control unit according to the private data protection key;
the second main control unit is also used for responding the private control information and performing writing operation or reading operation on the private data storage space;
the first main control unit directly transmits information with the first mobile terminal;
the second main control unit performs information transmission with the first mobile terminal through a communication middleware preset on the first mobile terminal;
the SIM card is installed on the first mobile terminal.
Specifically, the communication middleware is configured to perform information transmission with an application installed on the mobile terminal body.
In addition, the second main control unit is further configured to receive a public data access request, and perform read-write operation on the public data storage space.
The beneficial effect that technical scheme that this application provided brought includes:
1. the application provides a large capacity SIM card and have mobile terminal of this SIM card, cooperates current multi-functional draw-in groove, can satisfy different SIM cards simultaneously and switch communication demand and the cell-phone storage demand of carrying out communication, improves user's use and experiences.
2. This application is when providing storage space, still ensures data security to a certain extent and does not lose, and effectual user's information that prevents is revealed, has protected user's information security.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a block diagram of a high-capacity SIM card provided in embodiment 1 of the present application;
fig. 2 is a block diagram of a mobile terminal having a high-capacity SIM card according to embodiment 2 of the present application;
fig. 3 is a schematic connection diagram of a mobile terminal having a high-capacity SIM card according to embodiment 2 of the present application;
reference numerals:
1. a first main control unit; 2. an SD memory cell; 3. a second master control unit; 4. a mobile terminal main body; 5. communication middleware; 6. and a high-capacity SIM card.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The embodiment of the invention provides a high-capacity SIM card and a mobile terminal with the SIM card, which are matched with the existing multifunctional card slot, can simultaneously meet the communication requirement of switching different SIM cards for communication and the storage requirement of a mobile phone, and improve the use experience of a user.
In order to achieve the technical effects, the general idea of the application is as follows:
a high capacity SIM card, the SIM card comprising:
a first main control unit 1, which is provided with a built-in SIM unit and is used for providing network communication service;
an SD storage unit 2 for storing data;
a second master control unit 3 for performing a write operation or a read operation on the SD storage unit 2; wherein the content of the first and second substances,
the SD memory unit 2 is configured to allow only the second master unit 3 to perform a write operation or a read operation thereon.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1, an embodiment of the present invention provides a high-capacity SIM card, including:
a first main control unit 1, which is provided with a built-in SIM unit and is used for providing network communication service;
an SD storage unit 2 for storing data;
a second master control unit 3 for performing a write operation or a read operation on the SD storage unit 2; wherein the content of the first and second substances,
the SD memory unit 2 is configured to allow only a write operation or a read operation to it by the second master unit 3.
It should be noted that, in order to be adapted to the existing multifunctional card slot, the size of the high-capacity SIM card in the embodiment of the present application needs to be matched with the existing multifunctional card slot.
In the embodiment of the application, the SIM card is assumed to be installed on the first mobile terminal;
the method comprises the following steps that firstly, a first main control unit 1 is used for carrying out information transmission with a first mobile terminal, the first mobile terminal can be mobile equipment such as a mobile phone, a tablet or a smart watch, and the like, and is used for matching with a high-capacity SIM card to realize the function of a traditional SIM card, and the first main control unit 1 is configured with the SIM unit, namely the first main control unit 1 can be the traditional SIM card, so that network communication service is provided for the first mobile terminal, and the first main control unit 1 communicates with the first mobile terminal through an ISO7816T =0 protocol to provide mobile communication service;
the SD storage unit 2 is used for providing a data storage space so as to realize the data storage function of the large-capacity SIM card;
the second main control unit 3 is used as a tool for accessing the SD storage unit in the high-capacity SIM card and performs writing operation or reading operation on the SD storage unit 2;
in order to ensure the security of the data inside the SD memory unit 2, the SD memory unit 2 is configured to only allow the second master control unit 3 to perform a write operation or a read operation on the data, so as to avoid unauthorized modification of the data inside the large-capacity SIM card by other devices.
In this application embodiment, with the help of this large capacity SIM card, cooperate current multi-functional draw-in groove, can install two large capacity SIM cards simultaneously to can satisfy different SIM cards simultaneously and switch communication demand and the cell-phone storage demand of carrying out communication, improve user's use and experience.
Preferably, the first main control unit 1 directly performs information transmission with a first mobile terminal;
the second main control unit 3 performs information transmission with the first mobile terminal through a communication middleware preset on the first mobile terminal;
the first mobile terminal and the first main control unit 1 can directly perform information transmission,
and the first mobile terminal can perform write operation or read operation on the SD storage unit through the second main control unit 3 by means of the SD interface through the communication middleware.
Further, a public data storage space and a private data storage space are arranged in the SD storage unit;
the private data storage space is configured to be inaccessible to and unformatable by the external device.
Specifically, the first main control unit 1 and the second main control unit 3 are both configured with a private data protection key;
the second main control unit 3 is further configured to receive a private data access request, and forward the private data access request to the first main control unit 1;
the first master control unit 1 is further configured to identify validity of the private data access request, and issue private control information to the second master control unit 3 according to the private data protection key;
the second main control unit 3 is further configured to perform a write operation or a read operation on the private data storage space in response to the private control information;
the first main control unit 1 and the second main control unit 3 protect keys through private data, so that the confidentiality and the security of the first main control unit 1 and the second main control unit 3 in the data transmission process can be further improved.
Specifically, the first mobile terminal sends a private data access request to the second main control unit 3 through the communication middleware, and the second main control unit 3 receives the private data access request and forwards the private data access request to the first main control unit 1;
the first main control unit 1 performs validity authentication on the private data access request, namely, authenticates the validity of the first mobile terminal, and after the validity is passed, the first main control unit issues private control information to the second main control unit 3 according to the private data protection key;
the second main control unit 3 is further configured to perform a write operation or a read operation on the private data storage space in response to the private control information, and feed back a processing result after the write operation or the read operation to the first mobile terminal through the communication middleware.
Similarly, the second main control unit 3 is further configured to receive a public data access request, and perform read-write operation on the public data storage space;
that is, the first mobile terminal sends a public data access request to the second main control unit 3 through the communication middleware, performs a write operation or a read operation on the public data storage space, and feeds back a processing result after the write operation to the first mobile terminal through the communication middleware.
It should be noted that, the SD Memory unit, i.e. SD Card, secure Digital Memory Card;
the SIM card, subscriber identity Module, is a Subscriber identity card.
Example 2
Referring to fig. 2 and 3, an embodiment of the present invention provides a mobile terminal with a high-capacity SIM card according to embodiment 1, where the mobile terminal with the high-capacity SIM card includes:
a mobile terminal body 4;
a communication middleware 5 mounted on the mobile terminal body 4;
the high-capacity SIM card 6, the high-capacity SIM card 6 includes:
a first main control unit 1 having a SIM unit built therein for providing a network communication service to the mobile terminal body 4;
an SD storage unit 2 for storing data;
a second master control unit 3 for performing a write operation or a read operation on the SD storage unit 2; wherein the content of the first and second substances,
the SD storage unit 2 is configured to allow only a write operation or a read operation thereto by the second master unit 3;
the first main control unit 1 directly performs information transmission with the mobile terminal main body 4;
the second main control unit 3 performs information transmission with the mobile terminal main body 4 through the communication middleware 5.
It should be noted that, in order to be adapted to the existing multifunctional card slot, the size of the high-capacity SIM card in the embodiment of the present application needs to be matched with the existing multifunctional card slot.
In the embodiment of the application, the SIM card is assumed to be installed on the first mobile terminal;
firstly, a first main control unit 1 is used for carrying out information transmission with a mobile terminal main body 4, the mobile terminal main body 4 can be mobile equipment such as a mobile phone, a tablet or a smart watch, and the like, and is used for matching with a high-capacity SIM card to realize the function of a traditional SIM card, and the first main control unit 1 is configured with an SIM unit, namely the first main control unit 1 can be the traditional SIM card, and provides network communication service for the mobile terminal main body 4;
the SD storage unit 2 is used for providing a data storage space so as to realize the data storage function of the large-capacity SIM card;
the second main control unit 3 is used as a tool for accessing the SD storage unit in the high-capacity SIM card and performs writing operation or reading operation on the SD storage unit 2;
in order to ensure the security of the data inside the SD memory unit 2, the SD memory unit 2 is configured to only allow the second master control unit 3 to perform a write operation or a read operation on the data, so as to avoid unauthorized modification of the data inside the large-capacity SIM card by other devices.
In this application embodiment, with the help of this large capacity SIM card, cooperate current multi-functional draw-in groove, can install two large capacity SIM cards simultaneously to can satisfy different SIM cards simultaneously and switch communication demand and the cell-phone storage demand of carrying out communication, improve user's use and experience.
Preferably, the communication middleware 5 is configured to perform information transmission with an application installed on the mobile terminal body 4.
Further, a public data storage space and a private data storage space are arranged in the SD storage unit 2;
the private data storage space is configured to be inaccessible to and unformatable by the external device.
Further, the first main control unit 1 and the second main control unit 3 are both configured with a private data protection key;
the second main control unit 3 is further configured to receive a private data access request sent by the mobile terminal main body 4 through the communication middleware 5, and forward the private data access request to the first main control unit 1;
the first main control unit 1 is further configured to identify validity of the private data access request, and issue private control information to the second main control unit 3 according to the private data protection key;
the second main control unit 3 is further configured to perform a write operation or a read operation on the private data storage space in response to the private control information;
the first main control unit 1 and the second main control unit 3 protect the secret key through private data, so that the confidentiality and the security of the first main control unit 1 and the second main control unit 3 in the data transmission process can be further improved.
Specifically, the mobile terminal main body 4 sends a private data access request to the second main control unit 3 through the communication middleware 5, and the second main control unit 3 receives the private data access request and forwards the private data access request to the first main control unit 1;
the first main control unit 1 performs validity authentication on the private data access request, namely, authenticates the validity of the mobile terminal main body 4, and after the validity is passed, the first main control unit issues private control information to the second main control unit 3 according to the private data protection key;
the second main control unit 3 is further configured to perform a write operation or a read operation on the private data storage space in response to the private control information, and feed back a processing result after the write operation to the mobile terminal main body 4 through the communication middleware 5.
In addition, the second main control unit 3 is further configured to receive a public data access request, and perform read-write operation on the public data storage space;
that is, the mobile terminal body 4 sends a public data access request to the second main control unit 3 through the communication middleware 5, performs a write operation or a read operation on the public data storage space, and feeds back a processing result after the operation to the mobile terminal body 4 through the communication middleware 5.
It should be noted that, the SD Memory unit, i.e. SD Card, secure Digital Memory Card;
the SIM card, subscriber identity Module, is a Subscriber identity card.
It should be noted that in the present application, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The previous description is only an example of the present application, and is provided to enable any person skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A high capacity SIM card, characterized in that it comprises:
the first main control unit is internally provided with an SIM unit and is used for providing network communication service;
an SD storage unit for storing data;
the second main control unit is used for performing writing operation or reading operation on the SD storage unit; wherein the content of the first and second substances,
the SD storage unit is configured to only allow the second master control unit to perform write operation or read operation on the SD storage unit;
a public data storage space and a private data storage space are arranged in the SD storage unit;
the private data storage space is configured to be inaccessible to and unformatable by an external device;
the first main control unit and the second main control unit are both configured with a private data protection secret key;
the second main control unit is also used for receiving a private data access request and forwarding the private data access request to the first main control unit;
the first main control unit is further configured to identify validity of the private data access request, and issue private control information to the second main control unit according to the private data protection key;
the second main control unit is also used for responding the private control information and performing writing operation or reading operation on the private data storage space;
the first main control unit directly transmits information with the first mobile terminal;
the second main control unit performs information transmission with the first mobile terminal through a communication middleware preset on the first mobile terminal;
the SIM card is installed on the first mobile terminal.
2. A high capacity SIM card as claimed in claim 1, characterized in that:
the second main control unit is also used for receiving a public data access request and performing read-write operation on the public data storage space.
3. A mobile terminal having a high-capacity SIM card, the mobile terminal comprising:
a mobile terminal main body;
a communication middleware installed on the mobile terminal body;
a high-capacity SIM card, the high-capacity SIM card comprising:
a first main control unit, which is provided with a built-in SIM unit and is used for providing network communication service for the mobile terminal body;
an SD storage unit for storing data;
the second main control unit is used for performing writing operation or reading operation on the SD storage unit; wherein the content of the first and second substances,
the SD storage unit is configured to only allow the second master control unit to perform write operation or read operation on the SD storage unit;
the first main control unit directly transmits information with the mobile terminal main body;
the second main control unit transmits information with the mobile terminal main body through the communication middleware;
a public data storage space and a private data storage space are arranged in the SD storage unit;
the private data storage space is configured to be inaccessible to and unformatable by an external device;
the first main control unit and the second main control unit are both configured with a private data protection secret key;
the second main control unit is also used for receiving a private data access request sent by the mobile terminal main body through the communication middleware and forwarding the private data access request to the first main control unit;
the first main control unit is further configured to identify validity of the private data access request, and issue private control information to the second main control unit according to the private data protection key;
the second main control unit is also used for responding the private control information and performing writing operation or reading operation on the private data storage space;
the first main control unit directly transmits information with the first mobile terminal;
the second main control unit performs information transmission with the first mobile terminal through a communication middleware preset on the first mobile terminal;
the SIM card is installed on the first mobile terminal.
4. A mobile terminal having a high-capacity SIM card according to claim 3, characterized in that:
the communication middleware is configured to perform information transmission with an application installed on the mobile terminal body.
5. A mobile terminal having a high-capacity SIM card according to claim 3, characterized in that:
the second main control unit is also used for receiving a public data access request and performing read-write operation on the public data storage space.
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| CN202010760103.3A CN111935700B (en) | 2020-07-31 | 2020-07-31 | Large-capacity SIM card and mobile terminal with same |
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| CN207503257U (en) * | 2017-06-02 | 2018-06-15 | 紫光同芯微电子有限公司 | Smart card a kind of while that there is SIM and SD |
| CN210864783U (en) * | 2019-06-28 | 2020-06-26 | 紫光同芯微电子有限公司 | Double-sided smart card with SIM safety storage function |
| CN110968536A (en) * | 2019-12-27 | 2020-04-07 | 深圳市德名利电子有限公司 | SIM card and SD card two-in-one control chip and control method thereof |
| CN111091173A (en) * | 2019-12-27 | 2020-05-01 | 深圳市德名利电子有限公司 | SIM card with large-capacity storage function and control method thereof |
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