CN101707645A - The method for batch interlocking of terminals and cards and terminal thereof - Google Patents
The method for batch interlocking of terminals and cards and terminal thereof Download PDFInfo
- Publication number
- CN101707645A CN101707645A CN200910110212.4A CN200910110212A CN101707645A CN 101707645 A CN101707645 A CN 101707645A CN 200910110212 A CN200910110212 A CN 200910110212A CN 101707645 A CN101707645 A CN 101707645A
- Authority
- CN
- China
- Prior art keywords
- card
- terminal
- sim card
- batch
- pin code
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract 1
- 238000012795 verification Methods 0.000 description 9
- 230000008676 import Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009183 running Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a method for batch interlocking of terminals and cards and a terminal thereof. The terminal comprises a read module, an information generation module, and a detection judgment module, and has the function of automatically interlocking the terminal and the card. The method comprises the step of: by setting the same cryptographic algorithm for the terminals and the cards, realizing the interlocking of a batch of terminals and a batch cards which are matched with the terminals, wherein the batch of terminals and the batch of cards can be freely matched to use. When any side goes wrong, the failure can be repaired by replacing the terminal or card in the same batch; and simultaneously, for enterprise-level users, the users can effectively control the terminals and the cards, namely the cards of the enterprises can only be used in the mobile phones customized for the enterprises, the terminals of the enterprises can only use the customized cards either, and an operator can realize the customization aiming at the enterprise-level users.
Description
Technical field
The present invention relates to the mobile radio communications system technical field, more specifically, relate to the method and the terminal of a kind of machine card batch interlocking.
Background technology
Subscriber identification module (Subscriber Identity Model, SIM card) is a kind of intellective IC card in the plastics of being encapsulated in microprocessor, and it is an indispensable pith in the communications network system, is the registration voucher that the user enters network.In SIM card, include customer identification information, auxiliary activities information, short message, mobility information and radio resource information etc.In the network system, by to the physical interface of SIM card, the clearly definition of logic interfacing, finish and being connected and information exchange of portable terminal, in SIM card, carry out the user profile storage simultaneously, carry out authentication arithmetic and produce work such as encryption key.Have only the insertion SIM card, portable terminal could insert network access and communicate by letter.
According to the 3GPP related protocol, the file in the SIM card is divided into two classes: essential file and optional file.The EF-ICCID file is the prerequisite file of SIM card, and the ID of file is 2FE2, and its file content is the unique identification of SIM card provider to this SIM card, has only SIM card provider to have the right to write, and in case writes no longer permission modification.The user uses PIN, and (Personal Identity Number PIN) is used for confirming to SIM card user's the right to use, and PIN is by the man-machine interface input of portable terminal.Portable terminal is delivered to SIM card with PIN, and is made comparisons by the number that deposit SIM card and its inside, and after relatively passing through, the SIM card transition status allows the portable terminal access to mobile network.PIN is read and write control to many files in the SIM card, but related protocol according to 3GPP, the read right of EF-ICCID file is opened all the time, does not need the PIN code verification by also reading, and in case writes the back just no longer allow to revise when dispatching from the factory.
Because the PIN code function of SIM card has been controlled the access limit of most files in the SIM card, and be linked into the mobile network and necessarily require to import correct PIN code, the PIN code function of SIM card becomes a kind of important approach of the mutual interlocking that is used for realizing SIM card and terminal.
Present SIM card and the mobile phone terminal method of interlocking one by one just are to use the PIN code function of SIM card to realize, do not realize that the method for batch interlocking between a collection of mobile phone terminal and a collection of SIM card occurs at present.
The machine card shortcoming of interlocking one by one is that either party of mobile phone terminal or SIM card broken down, and the opposing party can't normally use.And terminal phone and SIM card batch interlocking have well solved this problem, if a side is broken down, replace it and often are used with regard to an energy and an original Founder that does not have fault with mobile phone terminal of criticizing or SIM card.
Simultaneously, a lot of enterprise-class tools have proposed the demand of batch interlocking between terminal phone and SIM card, promptly require a collection of SIM card in a collection of mobile phone terminal, normally to use on any one, and this batch mobile phone terminal also can use any SIM card in this batch SIM card, the use but if this batch mobile phone terminal and this batch SIM card do not cooperatively interact, the both can not operate as normal.Like this, should the realistic confidentiality that shows mobile phone terminal and SIM card interlocking, the also versatility that cooperates between requirement a collection of mobile phone terminal of realization and a collection of SIM card simultaneously.
Summary of the invention
The technical problem to be solved in the present invention mainly provide a kind of terminal and card batch interlocking method and terminal, by the mutual locking of the batch card that is used with a collection of terminal with this batch terminal, make the use that can cooperatively interact arbitrarily of this batch terminal and card.
In order to solve the problems of the technologies described above, the invention provides a kind of terminal and card batch interlock method, be applied to batch terminal and card locking are mutually comprised:
The initial PIN code of each card is to go up file according to card to adopt identical cryptographic algorithm to obtain;
The identical cryptographic algorithm of the integrated and described card encryption algorithm of each terminal;
When described each terminal of described each card insertion was used, described terminal obtained described file and uses described cryptographic algorithm to obtain a check value consistent with described PIN code according to reading from described card, thereby described terminal and card lock are used.
Further, said method also comprises following characteristics: described be stuck in obtain described PIN code after, it is enabled.
Further, said method also comprises following characteristics: file is the EF-ICCID file on the described card.
Further, said method also comprises following characteristics: when described card inserted the other-end use, other-end can't normally use this SIM card owing to can't know the PIN code of this SIM card.
Further, said method also comprises following characteristics: when the described terminal of other card insertions was used, then shutdown or cue card can not use described terminal automatically.
Further, said method also comprises following characteristics: the EF-ICCID file content of described every card has nothing in common with each other.
Further, said method also comprises following characteristics: described every cartoon is crossed the PIN code value that obtains after the cryptographic algorithm and is also had nothing in common with each other.
Further, said method also comprises following characteristics: described card is SIM card or usim card.
Further, said method also comprises following characteristics: described terminal is mobile phone, data card or net book.
The present invention also provides a kind of terminal, comprising:
Read module is used to read the fileinfo on the card;
Information generating module generates check value by the fileinfo on the card that reads and by cryptographic algorithm;
Detect judge module, be used for PIN code comparison, judge whether card is the SIM card of binding with it described check value and card.
Further, above-mentioned terminal also comprises following characteristics: the file on the described card that reads is the EF-ICCID file.
Further, above-mentioned terminal also comprises following characteristics: described terminal is mobile phone, data card or net book.
To sum up, the method of terminal provided by the invention and card batch interlocking and terminal by terminal is provided with identical cryptographic algorithm with card, can realize the batch interlocking of mobile phone and SIM card, when mobile phone and SIM card one side were broken down, the mobile phone or the SIM card that only need to change same batch got final product; Simultaneously, for enterprise-class tools, it is control terminal and SIM card effectively, and promptly the SIM card of enterprise can only be used in the customization mobile phone of enterprise, and the custom terminal of enterprise also can only use the SIM card of customization, makes operator can realize customization at enterprise-class tools.
Description of drawings
Fig. 1 is the flow chart according to embodiment of the invention mobile phone and SIM card batch interlocking;
Fig. 2 is the management flow chart according to the PIN code of embodiment of the invention SIM card before dispatching from the factory;
Fig. 3 is the schematic diagram according to embodiment of the invention mobile phone.
Embodiment
The invention provides a kind of EF-ICCID file that utilizes SIM card and PIN code function and SIM card or usim card and terminal are carried out the method for batch interlocking.Described terminal can be mobile phone, data card, net book etc.Be that example describes with the mobile phone among the following embodiment.
The SIM card initial PIN code of dispatching from the factory is that wherein EF-ICCID file obtains according to certain cryptographic algorithm, and this PIN code function enables when dispatching from the factory, because the EF-ICCID file is the unique identification of operator to SIM card, the EF-ICCID file content of every SIM card has nothing in common with each other, so also have nothing in common with each other by the PIN code value that obtains after the cryptographic algorithm.In the present embodiment, when producing a collection of SIM card, the PIN code value of using when the initialization SIM card is calculated by SIM card provider to the unique identification EF-ICCID file value of writing of each SIM card in this batch SIM card and according to cryptographic algorithm, SIM card provider opens the PIN code ena-bung function and initialized value is written as and states the value that calculates, and just uses a kind of identical cryptographic algorithm to obtain the PIN code of each SIM card.
When the mobile phone that a collection of and above-mentioned a collection of SIM card of production is used, to the identical cryptographic algorithm of all integrated and described SIM card cryptographic algorithm of this batch mobile phone.Described mobile phone is mated after the SIM card of use according to the EF-ICCID file that reads and uses same cryptographic algorithm to obtain a value that will be used for the PIN code verification in insertion, PIN code comparison in this check value and the SIM card meets, and then mobile phone and SIM card interlocking are used.
If cell phone software is found the PIN code of the SIM card of insertion and is not enabled, or enabled but use on PIN code check value that mobile phone cipher calculates and this SIM card PIN code verification incorrect, then cell phone software shuts down mobile phone automatically, and the user just can't normally use like this.
Because this batch mobile phone is identical with the cryptographic algorithm of this batch SIM card, therefore, no matter in this batch SIM card which opens on any one that is installed in this batch mobile phone, mobile phone all can be by reading SIM card mounted thereto the EF-ICCID file and use with the same cryptographic algorithm of SIM card and obtain a value that will be used for PIN code verification identical with this SIM card PIN code, mobile phone can normally use, and has realized the function of a collection of SIM card of a collection of mobile phone interlocking.
The SIM card of this wholesale firm is used on this batch mobile phone simultaneously, mobile phone can generate the PIN code verification that correct PIN code is used for SIM card according to cryptographic algorithm according to the EF-ICCID file in the SIM card, the user does not need to import PIN code with regard to energy this SIM card of normal use like this, this batch SIM card is inserted into then needs the user to import PIN code on other mobile phones, since the PIN code of SIM card be enable and also be to use the EF-ICCID file to obtain according to certain algorithm, domestic consumer can't import correct PIN code, thereby also just can't normally use this SIM card, so just realized the function of this batch of this batch SIM card interlocking mobile phone.
Described cryptographic algorithm can change according to the needs of SIM card provider and mobile phone provider, and the SIM card of different batches can adopt different cryptographic algorithm with mobile phone.
Describe below in conjunction with the implementation method of accompanying drawing present embodiment.
As shown in Figure 1, mobile phone comprises following interlocking step in the present embodiment after inserting SIM card:
101 mobile phones are started shooting and the initialization SIM card after inserting SIM card;
102 mobile phones check that whether the PIN code function of SIM card enables, and enters step 103 if PIN code enables to open, otherwise enters step 105;
EF-ICCID file content in the 103 mobile phone reading SIM card calculates the value that will be used for the PIN code verification according to cryptographic algorithm;
The PIN code checking command that mobile phone terminal sends is received in the 104SIM clamping, PIN code value to input is carried out verification, if the PIN code verification succeeds of input then be correct to the PIN code of mobile phone feedback input, enter step 106, otherwise the verification failure is wrong to the PIN code of mobile phone feedback input then, enters step 105;
105 mobile phones judge that the SIM card of inserting this moment is not can not use with the SIM card of its interlocking and shutdown or cue card;
106 mobile phones judge that the SIM card of inserting this moment is the SIM card with its interlocking, and allow the user to carry out other normal runnings.
When the SIM card of use the inventive method interlocking was inserted other mobile phones, other mobile phones can can't normally use this SIM card owing to can't know the PIN code of this SIM card.
As shown in Figure 2, the management process of the PIN code of SIM card of the present invention before dispatching from the factory comprises:
201SIM card provider is to unique identification EF-ICCID file value of writing of this SIM card;
The PIN code value of using when the initialization SIM card is calculated by 202SIM card provider according to cryptographic algorithm;
203SIM card provider opens the PIN code ena-bung function and initialized value is written as the value that previous step calculates.
As shown in Figure 3, mobile phone of the present invention comprises with lower module:
Read module is used for the EF-ICCID file of reading SIM card;
Information generating module, the EF-ICCID file by the SIM card that reads adopts cryptographic algorithm to generate check value;
Detect judge module, be used for PIN code comparison, judge whether mobile phone and SIM card can interlockings described check value and SIM card.
The present invention utilizes the EF-ICCID file of SIM card and PIN code function to realize SIM card and the mobile phone method of interlocking mutually in batches, and can well solving in the past, the interlocking of mobile phone and SIM card can only realize situation one to one.This method had both realized the fail safe of mobile phone and SIM card interlocking, also realized the versatility of working in coordination between a collection of mobile phone and a collection of SIM card simultaneously, and the cryptographic algorithm of interlocking mutually can be made amendment according to actual needs, strengthen practicality and confidentiality greatly, can be used for having satisfied the differentiated demand of various customizations.
By this method, can realize the batch interlocking of mobile phone and SIM card, when mobile phone and SIM card one side were broken down, the mobile phone or the SIM card that only need to change same batch got final product; Simultaneously, for enterprise-class tools, it is control terminal and SIM card effectively, and promptly the SIM card of enterprise can only be used in the customization mobile phone of enterprise, and the custom terminal of enterprise also can only use the SIM card of customization, makes operator can realize customization at enterprise-class tools.
Certainly; the present invention also can have numerous embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making various corresponding changes or variation according to the present invention; in every case any modification of being done within the spirit and principles in the present invention, be equal to replacements, improvement, all should be included within protection scope of the present invention.
Claims (12)
1. terminal and card batch interlock method are applied to batch terminal and card locking are mutually comprised:
The initial PIN code of each card is to go up file according to card to adopt identical cryptographic algorithm to obtain;
The identical cryptographic algorithm of the integrated and described card encryption algorithm of each terminal;
When described each terminal of described each card insertion was used, described terminal obtained described file and uses described cryptographic algorithm to obtain a check value consistent with described PIN code according to reading from described card, thereby described terminal and card lock are used.
2. the method for claim 1 is characterized in that: described be stuck in obtain described PIN code after, it is enabled.
3. the method for claim 1, it is characterized in that: file is the EF-ICCID file on the described card.
4. the method for claim 1 is characterized in that: when described card inserted other-end and uses, other-end can't normally use described card owing to can't know the PIN code of described card.
5. the method for claim 1 is characterized in that: when other cards inserted described terminal and use, then shutdown or cue card can not use described terminal automatically.
6. method as claimed in claim 3 is characterized in that: the EF-ICCID file content of described every card has nothing in common with each other.
7. method as claimed in claim 6 is characterized in that: described every cartoon is crossed the PIN code value that obtains after the cryptographic algorithm and is also had nothing in common with each other.
8. the method for claim 1, it is characterized in that: described card is SIM card or usim card.
9. the method for claim 1, it is characterized in that: described terminal is mobile phone, data card or net book.
10. a terminal can cooperate locking to use with a batch card, and it comprises:
Read module is used to read the fileinfo on the card;
Information generating module generates check value by the fileinfo on the card that reads and by cryptographic algorithm;
Detect judge module, be used for PIN code comparison, judge whether terminal and card can interlockings described check value and card.
11. terminal as claimed in claim 10 is characterized in that: the file on the described card that reads is the EF-ICCID file.
12. terminal as claimed in claim 10 is characterized in that: described terminal is mobile phone, data card or net book.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910110212.4A CN101707645B (en) | 2009-10-22 | 2009-10-22 | The method for batch interlocking of terminals and cards, and terminal thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910110212.4A CN101707645B (en) | 2009-10-22 | 2009-10-22 | The method for batch interlocking of terminals and cards, and terminal thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101707645A true CN101707645A (en) | 2010-05-12 |
| CN101707645B CN101707645B (en) | 2013-07-03 |
Family
ID=42377833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910110212.4A Active CN101707645B (en) | 2009-10-22 | 2009-10-22 | The method for batch interlocking of terminals and cards, and terminal thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101707645B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951594A (en) * | 2010-08-03 | 2011-01-19 | 中兴通讯股份有限公司 | Method for binding SIM (Subscriber Identity Module) card and terminal in bulk |
| CN102131182A (en) * | 2011-03-14 | 2011-07-20 | 中兴通讯股份有限公司 | Network locking method and device for mobile terminal |
| CN106507333A (en) * | 2015-09-07 | 2017-03-15 | 中兴通讯股份有限公司 | A kind of interlocking of phone and card method and device |
| CN113038451A (en) * | 2021-02-26 | 2021-06-25 | 西安广和通无线软件有限公司 | Machine-card binding method and device, communication module and storage medium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101102574A (en) * | 2007-08-14 | 2008-01-09 | 华为技术有限公司 | Terminal verification method and device |
| CN101399659B (en) * | 2007-09-30 | 2011-05-25 | 中兴通讯股份有限公司 | Cipher key authentication method and device between user identification module and terminal |
| CN101521886B (en) * | 2009-01-21 | 2011-04-20 | 北京握奇数据系统有限公司 | Method and device for authenticating terminal and telecommunication smart card |
-
2009
- 2009-10-22 CN CN200910110212.4A patent/CN101707645B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951594A (en) * | 2010-08-03 | 2011-01-19 | 中兴通讯股份有限公司 | Method for binding SIM (Subscriber Identity Module) card and terminal in bulk |
| CN101951594B (en) * | 2010-08-03 | 2015-05-20 | 中兴通讯股份有限公司 | Method for binding SIM (Subscriber Identity Module) card and terminal in bulk |
| CN102131182A (en) * | 2011-03-14 | 2011-07-20 | 中兴通讯股份有限公司 | Network locking method and device for mobile terminal |
| WO2012122753A1 (en) * | 2011-03-14 | 2012-09-20 | 中兴通讯股份有限公司 | Network locking method and device for mobile terminal |
| CN102131182B (en) * | 2011-03-14 | 2015-06-03 | 中兴通讯股份有限公司 | Network locking method and device for mobile terminal |
| US9191815B2 (en) | 2011-03-14 | 2015-11-17 | Zte Corporation | Network locking method and device for mobile terminal |
| CN106507333A (en) * | 2015-09-07 | 2017-03-15 | 中兴通讯股份有限公司 | A kind of interlocking of phone and card method and device |
| WO2017041503A1 (en) * | 2015-09-07 | 2017-03-16 | 中兴通讯股份有限公司 | Mutual authentication method and apparatus for device and card, and computer readable storage medium |
| CN113038451A (en) * | 2021-02-26 | 2021-06-25 | 西安广和通无线软件有限公司 | Machine-card binding method and device, communication module and storage medium |
| WO2022179076A1 (en) * | 2021-02-26 | 2022-09-01 | 西安广和通无线软件有限公司 | Machine-card binding method, communication module, communication device, and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101707645B (en) | 2013-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101322424B (en) | Method for issuer and chip specific diversification | |
| CN102480720B (en) | Air card-writing method, system and subscriber identification card | |
| CN101422058B (en) | Method of securing access to a proximity communication module in a mobile terminal | |
| US20110218911A1 (en) | Portable e-wallet and universal card | |
| CN101707645B (en) | The method for batch interlocking of terminals and cards, and terminal thereof | |
| CN102149083B (en) | Personalized card writing method, system and device | |
| CN102630083B (en) | System for using mobile terminal to carry out card operation and method thereof | |
| CN104737566A (en) | Method for incorporating subscriber identity data into a subscriber identity module | |
| CN101083816A (en) | Wireless terminal and method for mutual locking and unlocking with user recognition card | |
| CN102547691B (en) | A kind of safe electronic control system based on 2.4G RFID smart card system and method | |
| CN103297236B (en) | Subscriber authentication authoring system | |
| US20120284519A1 (en) | Implementing method, system of universal card system and smart card | |
| CN104636682A (en) | Password management system and method based on hardware device | |
| CN103530785A (en) | Double anti-counterfeiting system and method based on near field communication (NFC) function | |
| CN103812649A (en) | Method and system for safety access control of machine-card interface, and handset terminal | |
| CN103544114B (en) | Based on many M1 card control system and the control method thereof of single CPU card | |
| CN102118250A (en) | System and method for indentifying dynamic password based on double-interface intelligent card | |
| CN103235995A (en) | Electronic anti-counterfeiting and logistics management system based on NFC (near field communication) mobile phone | |
| CN101583982B (en) | Authentication system | |
| CN101667255A (en) | Security authentication method, device and system for radio frequency identification | |
| CN101951594A (en) | Method for binding SIM (Subscriber Identity Module) card and terminal in bulk | |
| CN101193372A (en) | Secure method of dual card combination | |
| CN100361165C (en) | Update management for encoded data in memory | |
| CN202014304U (en) | Mobile phone privacy protection system based on code authentication | |
| CN101227283A (en) | Mobile phone safety authentication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151209 Address after: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 Floor 9 Patentee after: Shenzhen ZTEWelink Technology Co., Ltd. Address before: 518057 Nanshan District Guangdong high tech Industrial Park, South Road, science and technology, ZTE building, Ministry of Justice Patentee before: ZTE Corporation |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 Floor 9 Patentee after: SHENZHEN ZTEWELINK TECHNOLOGY CO., LTD. Address before: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 Floor 9 Patentee before: Shenzhen ZTEWelink Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: MINDRAY building, 518000 Guangdong city of Shenzhen province Nanshan District Guangdong streets high-tech industrial park of science and technology 12 South Road 2 B zone C Patentee after: Shenzhen ZTEWelink Technology Co., Ltd. Address before: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 Floor 9 Patentee before: SHENZHEN ZTEWELINK TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong, Shenzhen, Nanshan District, Guangdong Province, Nanshan District high tech Industrial Park, South Korea 12 road, MINDRAY Building 2 floor B area, zone 12 Patentee after: Gaoxing Wulian Technology Co., Ltd. Address before: 518000 Guangdong, Shenzhen, Nanshan District, Guangdong Province, Nanshan District high tech Industrial Park, South Korea 12 road, MINDRAY Building 2 floor B area, zone 12 Patentee before: Shenzhen ZTEWelink Technology Co., Ltd. |