CN109510648A - Near-field information transmission method - Google Patents
Near-field information transmission method Download PDFInfo
- Publication number
- CN109510648A CN109510648A CN201910075474.5A CN201910075474A CN109510648A CN 109510648 A CN109510648 A CN 109510648A CN 201910075474 A CN201910075474 A CN 201910075474A CN 109510648 A CN109510648 A CN 109510648A
- Authority
- CN
- China
- Prior art keywords
- terminal
- information
- server
- wifi
- unpaired message
- 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 35
- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 238000004321 preservation Methods 0.000 claims description 3
- 206010048669 Terminal state Diseases 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 238000004590 computer program Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of near-field information transmission methods, comprising: which server receives the registration request that first terminal is sent, it include registration information in the registration request, which includes the service set information of WIFI, and the service set information of WIFI includes terminal unpaired message；Server registers first terminal according to registration information and saves the terminal unpaired message of first terminal, and the first long connection service based on Websocket is established between server and first terminal；Server notifies the service set information of first terminal broadcast WIFI；The terminal unpaired message of server reception second terminal, and whether the terminal unpaired message for detecting second terminal is identical as the terminal unpaired message saved in server, if they are the same, then the second long connection service based on Websocket is established between server and second terminal.The near-field information transmission method can conveniently and efficiently realize that the information between different terminals is transmitted.
Description
Technical field
The present invention relates to wireless communication technology fields, especially with regard to a kind of near-field information transmission method.
Background technique
Timeliness and urgency now with inter-enterprise collaboration require higher and higher, and video conference is used widely.
The meeting room hardware device that video conference is traditionally divided into the software client of personal use and uses in public.User exists
In use process, it is often necessary to meeting be switched to shared device from personal device, or be switched to individual from shared device and set
It is standby.Mode general at present generally comprises: one, carrying out again after meeting being added by the way of passing through invitation or input meeting number
More information exchange operations；Two, it is handled using certain near field technique (for example ultrasonic wave).First way is not convenient enough
Fast, the second way is not sufficiently stable and safely, has seriously affected user experience and timeliness.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of near-field information transmission methods, can conveniently and efficiently realize different terminals
Between information transmitting.
To achieve the above object, it the present invention provides a kind of near-field information transmission method, is used in first terminal and
Near-field information transmitting is carried out between two terminals.The near-field information transmission method includes: that server receives the first terminal transmission
Registration request, include registration information in the registration request, which includes the service set information of WIFI, and institute
The service set information for stating WIFI includes terminal unpaired message；The server is whole to described first according to the registration information
The terminal unpaired message of the first terminal is registered and is saved at end, establishes base between the server and the first terminal
In the first long connection service of Websocket；The server notifies the first terminal to broadcast the services set mark of the WIFI
Know information；The server receives the terminal unpaired message of the second terminal, and detects the terminal pairing of the second terminal
Whether information is identical as the terminal unpaired message saved in the server, if they are the same, then the server and described second
The second long connection service based on Websocket is established between terminal, wherein the terminal unpaired message of the second terminal is institute
State what second terminal was obtained from the service set information for the WIFI that the first terminal received is broadcasted.
In a preferred embodiment, the service set information of the WIFI is that the first terminal generates, institute
It states first terminal and is also used to generate different unique codes, the terminal pairing when carrying out registration request to the server every time
Information is the substring extracted from unique code.
In a preferred embodiment, the first terminal is infused according to the registration information in the server
Before volume further include: the server detects the terminal unpaired message of the first terminal, if the first terminal
Terminal unpaired message without registering, then detects success, into next step in the server.
In a preferred embodiment, the service set information of the WIFI further include first terminal identification information with
And first terminal status information, the first terminal identification information is for identifying the service set information for generating the WIFI
First terminal, the first terminal status information are used to identify the current state of the first terminal.
In a preferred embodiment, the second terminal is also used to scan the WIFI list of surrounding, and saves packet
Service set containing the first terminal identification information, the second terminal are also used to the service set saved according to itself
First terminal status information in information judges the current state of the first terminal, and the first terminal current state is accorded with
The desired service set is closed to extract and shown.
In a preferred embodiment, the first terminal is also used to be arranged the password for connecting the WIFI, should
Password is without broadcast, and the second terminal is also used to the terminal pairing in the service set information according to itself preservation
Information cracks out the password for connecting the WIFI.
In a preferred embodiment, the near-field information transmission method further include: the server receives described the
The command information that two terminals are sent, and the command information is forwarded to the first terminal and is executed.
In a preferred embodiment, the near-field information transmission method further include: the server receives described the
The instruction execution information of one terminal feedback, and the instruction execution result of the first terminal is sent to the first terminal and is carried out
Display.
Compared with prior art, near-field information transmission method according to the present invention, the services set that first terminal passes through WIFI
Identification information transmits information to second terminal, rather than after connecting upper WIFI, therefore second terminal can be greatly improved
Obtain the speed of first terminal information.And terminal unpaired message is the substring extracted from unique code, and unique code is every
Secondary registration is all different, first terminal before being attached with server, can the terminal unpaired message to first terminal examine
It surveys, detects whether it repeats, and server meeting before establishing connection with second terminal matches letter to the terminal of second terminal
Breath is verified, and can greatly guarantee the safety of information transmitting.Password for connecting WIFI is to be matched to believe according to terminal
Breath and generate, first terminal does not broadcast the password for connecting WIFI, further improve information transmitting safety.Separately
Outside, in an embodiment, in addition to terminal unpaired message, the service set information for the WIFI that first terminal generates further includes first
Terminal identification information and first terminal status information, second terminal is by the WIFI list around scanning, according to the of WIFI
One terminal identification information and first terminal status information can be quickly found out the satisfactory first terminal of mark and state,
Further increase the agility and convenience that information is transmitted between terminal.
Detailed description of the invention
Fig. 1 is the flow chart of near-field information transmission method according to an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
Fig. 1 is a kind of near-field information transmission method according to an embodiment of the present invention, in the near-field information transmission method,
First terminal transmits information to second terminal by the service set information of WIFI, rather than after connecting upper WIFI,
Therefore the speed that second terminal obtains first terminal information can be greatly improved.The near-field information transmission method include step S1~
Step S4.
Server receives the registration request that first terminal is sent in step sl: server receives the note that first terminal is sent
Volume request, includes registration information in the registration request, which includes the service set information of WIFI, and WIFI
Service set information includes terminal unpaired message.
Server saves the terminal unpaired message of first terminal and establishes the first long connection service: server in step s 2
The terminal unpaired message of first terminal is registered and saved to first terminal according to registration information, and server and first is eventually
The first long connection service based on Websocket is established between end.
The service set information of server notice first terminal broadcast WIFI in step s3.
In step s 4, server detects the terminal unpaired message of second terminal and establishes the second long connection service: service
Device receives and detects the terminal unpaired message of second terminal, if detecting successfully, establishes and is based between server and second terminal
The long connection service of the second of Websocket.Wherein, the terminal unpaired message of second terminal is second terminal from first received
It is obtained in the service set information of the WIFI of terminal broadcast.In one embodiment, the end of server detection second terminal
End unpaired message includes: the terminal unpaired message phase whether the terminal unpaired message of server detection second terminal saves with itself
Together, success is detected if the two is identical, and the second long connection clothes based on Websocket are established between server and second terminal
Business.
In one embodiment, the service set information of WIFI be first terminal generate, first terminal every time to
Server carries out generating different unique codes when registration request, and terminal unpaired message is the sub- character extracted from unique code
String.Before server registers first terminal further include: server examines the terminal unpaired message of first terminal
It surveys, if the terminal unpaired message of first terminal was in the server always without registering, i.e., the terminal of the first terminal matches letter
Breath is uniquely, then to detect success, then server again registers first terminal.The peace of information transmitting can be promoted in this way
Entirely.
In order to further enhance the safety of information transmitting, first terminal is also used to be arranged the password for connecting WIFI,
The password is without broadcast.The password can be generated on the basis of terminal unpaired message by certain rule, in this way due to only
One yard is registered all differences every time, so terminal unpaired message and password can all change therewith, is further improved between terminal
The safety of information transmitting.
In order to allow second terminal to be further quickly obtained the information of first terminal, in one embodiment, the clothes of WIFI
Business set identifier information further includes first terminal identification information and first terminal status information, and first terminal identification information is for marking
Know the first terminal for generating the service set information of WIFI, first terminal status information is used to identify the current shape of first terminal
State.WIFI list around second terminal timing or on demand scanning, if it find that the services set comprising first terminal identification information
Mark, then keep in the service set of the WIFI.When carrying out interaction between terminal, second terminal is saved according to itself
Service set information in first terminal status information judge that the current state of first terminal is (such as idle, busy, normal
Or the states such as failure), and the satisfactory service set of first terminal current state is extracted and shown, so as to
User fast uses, and when user carries out prompt operation, second terminal can extract the terminal unpaired message in service set
And send operation requests to server, if request successfully, between server and second terminal foundation based on Websoket the
Two long connection services.The terminal unpaired message in service set information that second terminal is also used to be saved according to itself cracks out
For connecting the password of WIFI.In order to make it easy to understand, assuming that the service set information for the WIFI that first terminal generates is
ZMRHRSD7F12A230, ZMRHRS represent first terminal identification information, and D7F12A23 GC group connector unpaired message, 0 is first whole
Status information is held, it, can be quick according to first terminal identification information ZMRHRS then when second terminal scanning is to the WIFI
Judge whether the first terminal equipment is that second terminal wants the equipment for carrying out information exchange, if it is, in second terminal
Judge whether equipment state meets the requirements further according to first terminal status information with before first terminal progress information exchange, if full
Foot requires the service set for just showing this WIFI, so that user fast uses.The process can allow user to more rapidly find
Suitable terminal device is attached, and improves the experience and timeliness of user.
In one embodiment, near-field information transmission method further include: server receives the instruction letter that second terminal is sent
Breath, and the command information is forwarded to first terminal and is executed.Server receives the instruction execution information of first terminal feedback,
And the instruction execution result of first terminal is sent to first terminal and is shown.
To sum up, near-field information transmission method according to the present embodiment, first terminal are believed by the service set of WIFI
Breath transmits information to second terminal, rather than after connecting upper WIFI, therefore can greatly improve second terminal and obtain the
The speed of one end message.And terminal unpaired message is the substring extracted from unique code, and unique code is registered every time
It is all different, second terminal before being attached with server, can the terminal unpaired message to second terminal detect, detect
Whether it repeats, it is ensured that the safety of information transmitting, and be according to terminal unpaired message for connecting the password of WIFI
And generate, first terminal does not broadcast the password for connecting WIFI, further improves the safety of information transmitting.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (8)
1. a kind of near-field information transmission method is used to carry out near-field information transmitting between first terminal and second terminal,
It is characterized in that, which includes:
Server receives the registration request that the first terminal is sent, and includes registration information, the registration information in the registration request
Service set information including WIFI, and the service set information of the WIFI includes terminal unpaired message；
The server registers the first terminal according to the registration information and saves the terminal of the first terminal
Unpaired message establishes the first long connection service based on Websocket between the server and the first terminal；
The server notifies the first terminal to broadcast the service set information of the WIFI；And
The server receives the terminal unpaired message of the second terminal, and detects the terminal unpaired message of the second terminal
It is whether identical as the terminal unpaired message saved in the server, if they are the same, then the server and the second terminal
Between establish the based on Websocket second long connection service, wherein the terminal unpaired message of the second terminal is described the
What two terminals were obtained from the service set information for the WIFI that the first terminal received is broadcasted.
2. near-field information transmission method as described in claim 1, which is characterized in that the service set information of the WIFI is
What the first terminal generated, the first terminal is also used to generate when carrying out registration request to the server every time different
Unique code, the terminal unpaired message is the substring extracted from unique code.
3. near-field information transmission method as claimed in claim 2, which is characterized in that believed in the server according to the registration
Before breath registers the first terminal further include:
The server detects the terminal unpaired message of the first terminal, if the terminal of the first terminal matches letter
Breath without registering, then detects success, into next step in the server.
4. near-field information transmission method as described in claim 1, which is characterized in that the service set information of the WIFI is also
Including first terminal identification information and first terminal status information, the first terminal identification information is for identifying described in generation
The first terminal of the service set information of WIFI, the first terminal status information is for identifying the current of the first terminal
State.
5. near-field information transmission method as claimed in claim 4, which is characterized in that around the second terminal is also used to scan
WIFI list, and save include the first terminal identification information service set, the second terminal is also used to root
The current state of the first terminal is judged according to the first terminal status information in the service set information of itself preservation, and will
The satisfactory service set of first terminal current state is extracted and is shown.
6. near-field information transmission method as described in claim 1, which is characterized in that the first terminal is also used to be arranged and be used for
The password of the WIFI is connected, the password is without broadcast, and the second terminal is also used to the service according to itself preservation
Terminal unpaired message in set identifier information cracks out the password for connecting the WIFI.
7. near-field information transmission method as described in claim 1, which is characterized in that the near-field information transmission method also wraps
It includes:
The server receives the command information that the second terminal is sent, and the command information is forwarded to the first terminal
It is executed.
8. near-field information transmission method as claimed in claim 7, which is characterized in that the near-field information transmission method also wraps
It includes:
The server receives the instruction execution information of first terminal feedback, and by the instruction execution knot of the first terminal
Fruit is sent to the first terminal and is shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075474.5A CN109510648B (en) | 2019-01-25 | 2019-01-25 | Near field information transfer method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075474.5A CN109510648B (en) | 2019-01-25 | 2019-01-25 | Near field information transfer method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109510648A true CN109510648A (en) | 2019-03-22 |
| CN109510648B CN109510648B (en) | 2020-02-21 |
Family
ID=65758192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910075474.5A Active CN109510648B (en) | 2019-01-25 | 2019-01-25 | Near field information transfer method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109510648B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104468291A (en) * | 2014-11-18 | 2015-03-25 | 深圳市金博通科技有限公司 | WiFi module communication method and device |
| CN105554062A (en) * | 2015-11-30 | 2016-05-04 | 东莞酷派软件技术有限公司 | Method, associated device and system of file transmission |
| CN107087293A (en) * | 2017-03-09 | 2017-08-22 | 北京网康科技有限公司 | A kind of cut-in method, terminal and server |
| CN107181807A (en) * | 2013-08-14 | 2017-09-19 | 华为技术有限公司 | The trustship method and system of application, mobile terminal, server |
| CN107465584A (en) * | 2017-07-21 | 2017-12-12 | 广东美的厨房电器制造有限公司 | Method for network access and device, the intelligent appliance of intelligent appliance |
| CN108810896A (en) * | 2018-07-17 | 2018-11-13 | 上海连尚网络科技有限公司 | The connection authentication method and device of wireless access point |
-
2019
- 2019-01-25 CN CN201910075474.5A patent/CN109510648B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181807A (en) * | 2013-08-14 | 2017-09-19 | 华为技术有限公司 | The trustship method and system of application, mobile terminal, server |
| CN104468291A (en) * | 2014-11-18 | 2015-03-25 | 深圳市金博通科技有限公司 | WiFi module communication method and device |
| CN105554062A (en) * | 2015-11-30 | 2016-05-04 | 东莞酷派软件技术有限公司 | Method, associated device and system of file transmission |
| CN107087293A (en) * | 2017-03-09 | 2017-08-22 | 北京网康科技有限公司 | A kind of cut-in method, terminal and server |
| CN107465584A (en) * | 2017-07-21 | 2017-12-12 | 广东美的厨房电器制造有限公司 | Method for network access and device, the intelligent appliance of intelligent appliance |
| CN108810896A (en) * | 2018-07-17 | 2018-11-13 | 上海连尚网络科技有限公司 | The connection authentication method and device of wireless access point |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109510648B (en) | 2020-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104754279B (en) | A kind of method and system for realizing video calling | |
| EP2853102B1 (en) | Location-based group generation method, apparatus and system | |
| CN105451222B (en) | A kind of terminal establishes the method, apparatus and system of connection | |
| US10171996B2 (en) | Communication apparatus method for controlling communication apparatus and program | |
| KR101448593B1 (en) | Method of pushing web service and server performing the same | |
| KR20200021545A (en) | Information transmission method and device | |
| CN111224792B (en) | Conference access method and device | |
| CN112260929B (en) | Content sharing method and device, terminal and storage medium | |
| CN105336013B (en) | It is a kind of that the method and system called the roll is realized by beacon broadcast | |
| CN105207860B (en) | A kind of business acceleration system and method | |
| CN104782100B (en) | Wireless communication system, wireless communication terminal and its operating method | |
| CN103297326B (en) | The method and apparatus of message push | |
| CN106302093B (en) | Communication method, system and server | |
| CN106506316A (en) | Information transferring method and device | |
| CN109510648A (en) | Near-field information transmission method | |
| CN105227609A (en) | The adaptive internet of things equipment exchange method of a kind of function based on micro-letter public platform | |
| CN112291788B (en) | Data processing method, device, storage medium, terminal and network access point equipment | |
| CN111212253B (en) | Monitoring processing method and device in video conference, electronic equipment and storage medium | |
| US20120124228A1 (en) | Multimedia session transfer control system and method | |
| CN107395583B (en) | Method and device for realizing communication between different applications based on natural language | |
| KR101531198B1 (en) | Call connecting process apparatus and method providing for authentication process using push message | |
| CN104917837B (en) | A kind of method and system for Message Processing | |
| CN106332019A (en) | Interaction method, device and system of unstructured supplementary data service | |
| CN109951520A (en) | A kind of data transmission method, air monitering equipment and storage medium | |
| CN111212052A (en) | Service processing method and device, electronic equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 100192 Beijing city Haidian District Baosheng Road No. 1 north of the Austrian Science Park Building No. 19 Beijing Suirui Center Applicant after: Suirui Technology Group Co.,Ltd. Address before: 100192 Beijing city Haidian District Baosheng Road No. 1 north of the Austrian Academy of science and Technology Park Building No. 19 Applicant before: SUIRUI CO.,LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190322 Assignee: CHINA TECHNOLOGY EXCHANGE Co.,Ltd. Assignor: Suirui Technology Group Co.,Ltd. Contract record no.: X2022110000039 Denomination of invention: Near-field information transfer method Granted publication date: 20200221 License type: Exclusive License Record date: 20220928 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Near-field information transfer method Effective date of registration: 20220930 Granted publication date: 20200221 Pledgee: CHINA TECHNOLOGY EXCHANGE Co.,Ltd. Pledgor: Suirui Technology Group Co.,Ltd. Registration number: Y2022110000253 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: CHINA TECHNOLOGY EXCHANGE Co.,Ltd. Assignor: Suirui Technology Group Co.,Ltd. Contract record no.: X2022110000039 Date of cancellation: 20240315 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200221 Pledgee: CHINA TECHNOLOGY EXCHANGE Co.,Ltd. Pledgor: Suirui Technology Group Co.,Ltd. Registration number: Y2022110000253 |