CN102347992B - Network device and network server capable of supporting photoelectric switching - Google Patents
Network device and network server capable of supporting photoelectric switching Download PDFInfo
- Publication number
- CN102347992B CN102347992B CN201010240796.XA CN201010240796A CN102347992B CN 102347992 B CN102347992 B CN 102347992B CN 201010240796 A CN201010240796 A CN 201010240796A CN 102347992 B CN102347992 B CN 102347992B
- Authority
- CN
- China
- Prior art keywords
- microcontroller
- switch
- network
- network chip
- led
- 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.)
- Active
Links
Landscapes
- Small-Scale Networks (AREA)
Abstract
The invention is applicable to the field of network interface switching, and provides a network device and a network server capable of supporting photoelectric switching, wherein the device comprises a network chip, an optical module interface, a cable network interface, a microcontroller, a bus switching switch, an optical module interface mode configuration information storage module and a cable network interface mode configuration information storage module. In the invention embodiment, the microcontroller controls the bus switching switch to switch the network chip onto an optical fiber network work mode or a cable network work mode according to a switch control signal. In such a way, one network chip can be compatible with and support the optical module interface and the cable network interface so that the cost, the size of network server and the power consumption can be reduced, and simultaneously the utilization ratio of the network chip can be improved.
Description
Technical field
The invention belongs to network interface switch field, particularly relate to a kind of support photoelectricity to switch network equipment and the webserver.
Background technology
Along with the progress of technology, fiber optic network transmission means relies on its transmission bandwidth characteristic that is high and long transmission distance to be used widely, but is limited to the factor of cost aspect, in some short-range mininet environment, still can use traditional cable transmission mode.In order to the compatible various application occasions of energy, the current webserver had both been designed with optical module interface usually, was designed with again cable system interface.And chip manufacturer is in order to accomplish the versatility of network chip, reduce network chip classification, usually on the chip supporting fiber optic network, reserve cable system interface simultaneously, write different initial configuration data be configured to different patterns by peripheral circuit and in the storage chip of mode of operation configuration end mounting, the peripheral circuit of this kind of network chip is once design, just be fixed into wherein a kind of functional mode, cannot change.
There is the problem cannot carrying out switching between optical module interface and cable system interface in existing network chip; therefore; in order to same the webserver can be used in different applied environments; technical staff can arrange two pieces of independently network chips usually in the webserver, and one piece is in fiber optic network mode of operation, supports optical module interface; another block is in cable system mode of operation; support cable system interface, such two pieces of network chips work alone, each other without directly affecting.But, can cost be increased so undoubtedly, also can cause that the volume of the webserver is large, power consumption is large, meanwhile, in the most of the time, because people only can use the network interface of a type, the utilance of network chip can be caused so low.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of network equipment supporting photoelectricity to switch, and is intended to solve existing network chip and there is the problem cannot carrying out switching between optical module interface and cable system interface.
The embodiment of the present invention realizes like this, a kind of network equipment supporting photoelectricity to switch, described device comprises network chip, for connecing the optical module interface of optical module and network chip and the cable system interface for connecing cable system and network chip respectively respectively, described device also comprises:
Microcontroller, highway switching, light mouth pattern configurations information storage module and electric mouth pattern configurations information storage module;
Light mouth pattern configurations information storage module, for storing the configuration information making described network chip be in fiber optic network mode of operation;
Electricity mouth pattern configurations information storage module, for storing the configuration information making described network chip be in cable system mode of operation;
The highway switching be connected with described light mouth pattern configurations information storage module, electric mouth pattern configurations information storage module and network chip respectively, configuration information for being stored by described light mouth pattern configurations information storage module is transferred to network chip, or the configuration information that described electric mouth pattern configurations information storage module stores is transferred to network chip, and handover network chip is in fiber optic network mode of operation or cable system mode of operation; And
The microcontroller be connected with described network chip, optical module interface, cable system interface and highway switching respectively, for according to switch-over control signal, control described highway switching handover network chip and be in fiber optic network mode of operation or cable system mode of operation.
Another object of the embodiment of the present invention is to provide a kind of webserver comprising the network equipment that the above-mentioned photoelectricity supported switches.
In embodiments of the present invention, microcontroller is according to switch-over control signal, and control bus diverter switch handover network chip is in fiber optic network mode of operation or cable system mode of operation.Like this, one piece of network chip compatiblely can support optical module interface and cable system interface, reduces cost, also can reduce the volume of the webserver, reduce power consumption, also can improve the utilance of network chip simultaneously.
Accompanying drawing explanation
Fig. 1 is the function structure chart of the network equipment of the photoelectricity the supported switching that the embodiment of the present invention provides;
Fig. 2 is the concrete structure figure of the network equipment of the photoelectricity the supported switching that first embodiment of the invention provides;
Fig. 3 is the concrete structure figure of the network equipment of the photoelectricity the supported switching that second embodiment of the invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The modular structure of the network equipment that the photoelectricity supported that Fig. 1 shows the embodiment of the present invention to be provided switches, for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
Can support that photoelectricity switches network equipment comprises network chip 100, for connecing the optical module interface 200 of optical module and network chip 100 and the cable system interface 300 for connecing cable system and network chip 100 respectively, device also comprises:
Microcontroller 400, highway switching 500, light mouth pattern configurations information storage module 600 and electric mouth pattern configurations information storage module 700;
Light mouth pattern configurations information storage module 600, for storing the configuration information making network chip 100 be in fiber optic network mode of operation;
Electricity mouth pattern configurations information storage module 700, for storing the configuration information making network chip 100 be in cable system mode of operation;
The highway switching 500 be connected with light mouth pattern configurations information storage module 600, electric mouth pattern configurations information storage module 700 and network chip 100 respectively, configuration information for being stored by light mouth pattern configurations information storage module 600 is transferred to network chip 100, or the configuration information that electric mouth pattern configurations information storage module 700 stores is transferred to network chip 100, and handover network chip 100 is in fiber optic network mode of operation or cable system mode of operation; And
The microcontroller 400 be connected with network chip 100, optical module interface 200, cable system interface 300 and highway switching 500 respectively, for according to switch-over control signal, control bus diverter switch 500 handover network chip 100 is in fiber optic network mode of operation or cable system mode of operation.
As one embodiment of the invention, switch-over control signal is the detection signal that optical module exports, the concrete structure of the network equipment that the photoelectricity supported that Fig. 2 shows first embodiment of the invention to be provided switches, for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
Network chip 100 comprises that the LED be connected with microcontroller 400 respectively holds Act LED, the 2nd LED holds Link UpLED, the 3rd LED holds Link100LED and the 4th LED holds Link1000LED, network chip 100 also comprises the mode of operation be connected with highway switching 500 and configures and hold EEPROMBUS, and network chip 100 also comprises the reset terminal Reset be connected with microcontroller 400.
As one embodiment of the invention, microcontroller 400 is logic gates, CPLD chip, fpga chip or single-chip microcomputer.
As one embodiment of the invention, microcontroller 400 comprises holds Act LED with a LED of network chip 100 respectively, 2nd LED holds Link Up LED, the first end I/O1 that 3rd LED holds Link100LED and the 4th LED to hold Link1000LED to be connected, second end I/O2, 3rd end I/O3 and the 4th end I/O4, microcontroller 400 also comprises the five terminal I/O5 be connected with the LED light of cable system interface 300 respectively, 6th end I/O6 and the 7th end I/O7, microcontroller 400 also comprises the 8th end I/O8 and the 9th end I/O9 that are connected with the LED light of optical module interface 200 respectively, microcontroller 400 also comprises the first K switch 1 realized by microcontroller gate be connected between the 4th end I/O4 and five terminal I/O5, be connected to the second switch K2 realized by microcontroller gate between the 3rd end I/O3 and the 6th end I/O6, be connected to the 3rd K switch 3 realized by microcontroller gate between the second end I/O2 and the 8th end I/O8, be connected to first end I/O1, the 4th K switch 4 realized by microcontroller gate between 7th end I/O7 and the 9th end I/O9, microcontroller 400 also comprises switch-over control signal input I/O10, reset signal output Reset and switch-over control signal output I/O11, switch-over control signal input I/O10 meets the detection signal end output_detect of optical module interface 200, reset signal output Reset connects the first input end of one and door, with the second input welding system reset signal of door, with the reset terminal Reset of the output termination network chip 100 of door, the switch-over control signal output I/O11 of microcontroller 400 connects highway switching 500.
As one embodiment of the invention, highway switching 500 comprises first end Port1, the second end Port2, the 3rd end Port3 and controls switch terminal S, first end Port1 connects electric mouth pattern configurations information storage module 700, second end Port2 connects light mouth pattern configurations information storage module 600,3rd end Port3 meets the mode of operation configuration end EEPROM BUS of network chip 100, and the control switch terminal S of highway switching 500 meets the switch-over control signal output I/O11 of microcontroller 400.As one embodiment of the invention, highway switching 500 is 4 multiple bus signal switching/selectors, or for possessing the combination of bus switch function logic chip, highway switching 500 is selected the 3rd end Port3 and first end Port1 to connect by the instruction that control switch terminal S receives, or is connected by the 3rd end Port3 and the second end Port2.There is the following two kinds execution mode:
The first: as the control switch terminal S of switch-over control signal output I/O11 output low level to highway switching 500, the 3rd end Port3 and first end Port1 connects by highway switching 500; When switch-over control signal output I/O11 exports the control switch terminal S of high level to highway switching 500, the 3rd end Port3 and the second end Port2 connects by highway switching 500.
The second: when switch-over control signal output I/O11 exports the control switch terminal S of high level to highway switching 500, the 3rd end Port3 and first end Port1 connects by highway switching 500; As the control switch terminal S of switch-over control signal output I/O11 output low level to highway switching 500, the 3rd end Port3 and the second end Port2 connects by highway switching 500.
As one embodiment of the invention, optical module interface 200 is GBIC interface or SFP interface.
As one embodiment of the invention, cable system interface 300 is RJ45 interface.
As another embodiment of the present invention, switch-over control signal is that hand switch sends switching signal, the concrete structure of the network equipment that the photoelectricity supported that Fig. 3 shows second embodiment of the invention to be provided switches, in embodiments of the present invention, except the switch-over control signal input I/O10 of microcontroller 400 connects except hand switch 800, the structure of device is the same with the first embodiment, therefore repeats no more here.
The embodiment of the present invention also provides a kind of webserver comprising the above-mentioned network equipment supporting photoelectricity to switch.
Be that the detection signal that optical module exports can support the operation principle of the network equipment that photoelectricity switches for example illustrates below with switch-over control signal:
When after webserver electrifying startup, and when optical module not being inserted optical module interface 200, microcontroller 400 default network chip 100 is in cable system mode of operation, and microcontroller 400 carries out following operation:
1, microcontroller 400 sends instruction to highway switching 500 from its switch-over control signal output I/O11, and network chip 100 is connected with electric mouth pattern configurations information storage module 700 by highway switching 500;
2, microcontroller 400 passes through first end 1 and second end 2 of connection first K switch 1, second switch K2 and the 4th K switch 4, by the indicator light access network chip 100 of cable system interface 300, disconnects the indicator light signal of fiber optic network simultaneously;
3, systematic reset signal (Low level effective) exports to network chip 100 by AND circuit, resets to network chip 100.
When optical module inserts optical module interface 200, optical module sends detection signal to microcontroller 400, and microcontroller 400 carries out following operation immediately:
1, microcontroller 400 sends instruction to highway switching 500 according to optical module detection signal from its switch-over control signal output I/O11, and network chip 100 is connected with light mouth pattern configurations information storage module 600 by highway switching 500;
2, microcontroller 400 is according to optical module detection signal, by connecting first end 1 and the 3rd end 3 of the 3rd K switch 3 and the 4th K switch 4, by the indicator light access network chip 100 of optical module interface 200, disconnects the indicator light signal of cable system interface 300 simultaneously;
3, microcontroller 400 is according to the saltus step of optical module detection signal, send the reset signal (Low level effective) of about 1ms, export to network chip 100 by AND circuit to reset, network chip 100 reloads the configuration information that light mouth pattern configurations information storage module 600 stores after resetting, network chip 100 is in fiber optic network mode of operation.
When optical module is extracted from optical module interface 200, the detection signal of optical module becomes disarmed state, and microcontroller 400 carries out following operation immediately:
1, microcontroller 400 sends instruction to highway switching 500 according to invalid detection signal from its switch-over control signal output I/O11, and network chip 100 is connected with electric mouth pattern configurations information storage module 700 by highway switching 500;
2, microcontroller 400 is according to invalid detection signal, by connecting first end 1 and second end 2 of the first K switch 1, second switch K2 and the 4th K switch 4, by the indicator light access network chip 100 of cable system interface 300, disconnect the indicator light signal of fiber optic network simultaneously;
3, microcontroller 400 is according to the saltus step of detection signal, send the reset signal (Low level effective) of about 1ms, export to network chip 100 by AND circuit to reset, network chip 100 reloads the configuration information that electric mouth pattern configurations information storage module 700 stores after resetting, network chip 100 is in cable system mode of operation.
In embodiments of the present invention, microcontroller is according to switch-over control signal, and control bus diverter switch handover network chip is in fiber optic network mode of operation or cable system mode of operation.Like this, one piece of network chip compatiblely can support optical module interface and cable system interface, reduces cost, also can reduce the volume of the webserver, reduce power consumption, also can improve the utilance of network chip simultaneously.In addition, because the technical program is not rely on network chip self to carry out the switching of network mode of operation, but arrange a highway switching in addition and complete switch operating, therefore, the portability of the technical program is stronger.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. can support the network equipment that photoelectricity switches for one kind, described device comprises network chip, for connecing the optical module interface of optical module and network chip and the cable system interface for connecing cable system and network chip respectively respectively, it is characterized in that, described device also comprises:
Microcontroller, highway switching, light mouth pattern configurations information storage module and electric mouth pattern configurations information storage module;
Light mouth pattern configurations information storage module, for storing the configuration information making described network chip be in fiber optic network mode of operation;
Electricity mouth pattern configurations information storage module, for storing the configuration information making described network chip be in cable system mode of operation;
The highway switching be connected with described light mouth pattern configurations information storage module, electric mouth pattern configurations information storage module and network chip respectively, configuration information for being stored by described light mouth pattern configurations information storage module is transferred to network chip, or the configuration information that described electric mouth pattern configurations information storage module stores is transferred to network chip, and handover network chip is in fiber optic network mode of operation or cable system mode of operation; And
The microcontroller be connected with described network chip, optical module interface, cable system interface and highway switching respectively, for according to switch-over control signal, control described highway switching handover network chip and be in fiber optic network mode of operation or cable system mode of operation;
Wherein, described highway switching comprises first end, the second end, the 3rd end and controls switch terminal, electric mouth pattern configurations information storage module described in described first termination, light mouth pattern configurations information storage module described in described second termination, the mode of operation configuration end of network chip described in described 3rd termination, the control of described highway switching switches the switch-over control signal output of microcontroller described in termination.
2. can support the network equipment that photoelectricity switches as claimed in claim 1, it is characterized in that, described network chip comprises that the LED be connected with described microcontroller respectively holds, the 2nd LED holds, the 3rd LED holds and the 4th LED holds, described network chip also comprises the mode of operation be connected with described highway switching and configures and hold, and described network chip also comprises the reset terminal be connected with described microcontroller.
3. can support the network equipment that photoelectricity switches as claimed in claim 2, it is characterized in that, described microcontroller is logic gates, CPLD chip, fpga chip or single-chip microcomputer.
4. can support the network equipment that photoelectricity switches as claimed in claim 3, it is characterized in that, described switch-over control signal is the detection signal that described optical module exports.
5. can support the network equipment that photoelectricity switches as claimed in claim 4, it is characterized in that, described microcontroller comprises to be held with a LED of described network chip respectively, 2nd LED end, 3rd LED end holds with the 4th LED the first end be connected, second end, 3rd end and the 4th end, described microcontroller also comprises the five terminal be connected with the LED light of described cable system interface respectively, 6th end and the 7th end, described microcontroller also comprises the 8th end and the 9th end that are connected with the LED light of described optical module interface respectively, described microcontroller is also comprised and is connected to the 4th the first switch realized by microcontroller gate between end and five terminal, be connected to the second switch realized by microcontroller gate between the 3rd end and the 6th end, be connected to the 3rd switch realized by microcontroller gate between the second end and the 8th end, be connected to first end, the 4th switch realized by microcontroller gate between 7th end and the 9th end, described microcontroller also comprises switch-over control signal input, reset signal output and switch-over control signal output, the detection signal end of optical module interface described in described switch-over control signal input termination, described reset signal exports the first input end of termination one and door, described the second input welding system reset signal with door, the reset terminal of network chip described in the described output termination with door, the switch-over control signal of described microcontroller exports highway switching described in termination.
6. can support the network equipment that photoelectricity switches as claimed in claim 3, it is characterized in that, described switch-over control signal is the switching signal that hand switch exports.
7. can support the network equipment that photoelectricity switches as claimed in claim 6, it is characterized in that, described microcontroller comprises to be held with a LED of described network chip respectively, 2nd LED end, 3rd LED end holds with the 4th LED the first end be connected, second end, 3rd end and the 4th end, described microcontroller also comprises the five terminal be connected with the LED light of described cable system interface respectively, 6th end and the 7th end, described microcontroller also comprises the 8th end and the 9th end that are connected with the LED light of described optical module interface respectively, described microcontroller is also comprised and is connected to the 4th the first switch realized by microcontroller gate between end and five terminal, be connected to the second switch realized by microcontroller gate between the 3rd end and the 6th end, be connected to the 3rd switch realized by microcontroller gate between the second end and the 8th end, be connected to first end, the 4th switch realized by microcontroller gate between 7th end and the 9th end, described microcontroller also comprises switch-over control signal input, reset signal output and switch-over control signal output, hand switch described in described switch-over control signal input termination, described reset signal exports the first input end of termination one and door, described the second input welding system reset signal with door, the reset terminal of network chip described in the described output termination with door, the switch-over control signal of described microcontroller exports highway switching described in termination.
8. can support the network equipment that photoelectricity switches as claimed in claim 1, it is characterized in that, described optical module interface is GBIC interface or SFP interface, and described cable system interface is RJ45 interface.
9. a webserver, is characterized in that, the described webserver comprises the network equipment that the photoelectricity supported as described in any one of claim 1-8 switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010240796.XA CN102347992B (en) | 2010-07-29 | 2010-07-29 | Network device and network server capable of supporting photoelectric switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010240796.XA CN102347992B (en) | 2010-07-29 | 2010-07-29 | Network device and network server capable of supporting photoelectric switching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102347992A CN102347992A (en) | 2012-02-08 |
| CN102347992B true CN102347992B (en) | 2015-02-04 |
Family
ID=45546272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010240796.XA Active CN102347992B (en) | 2010-07-29 | 2010-07-29 | Network device and network server capable of supporting photoelectric switching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102347992B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297117B (en) * | 2012-02-27 | 2017-05-24 | 中兴通讯股份有限公司 | Reuse method of photoelectricity port based on configuration and single board |
| CN108768147A (en) * | 2018-06-26 | 2018-11-06 | 南京航空航天大学 | A kind of attachment device between MMC bridge arms control system and submodule |
| CN109217940A (en) * | 2018-10-08 | 2019-01-15 | 深圳市三旺通信技术有限公司 | A kind of Combo mouthfuls of switching circuit |
| CN109656859B (en) * | 2018-12-26 | 2020-09-25 | 姚智迪 | Photoelectric switching network server is with multiunit interface with direction function |
| CN113630186B (en) * | 2021-09-15 | 2022-09-16 | 青岛海信宽带多媒体技术有限公司 | Optical module and communication method |
| CN114244742B (en) * | 2021-12-08 | 2022-10-14 | 广东省新一代通信与网络创新研究院 | Link detection circuit, ethernet transceiver, control method and medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1725762A (en) * | 2004-07-23 | 2006-01-25 | 杭州华为三康技术有限公司 | Implementation method of Ethernet photoelectric interface duplex |
| CN101106426A (en) * | 2006-07-11 | 2008-01-16 | 上海科泰信息技术有限公司 | Optical fiber access system for multi-service optical fiber transceiver |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020002596A1 (en) * | 1998-09-03 | 2002-01-03 | Sony Corporation | Apparatus and method for retrieving information over a computer network |
-
2010
- 2010-07-29 CN CN201010240796.XA patent/CN102347992B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1725762A (en) * | 2004-07-23 | 2006-01-25 | 杭州华为三康技术有限公司 | Implementation method of Ethernet photoelectric interface duplex |
| CN101106426A (en) * | 2006-07-11 | 2008-01-16 | 上海科泰信息技术有限公司 | Optical fiber access system for multi-service optical fiber transceiver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102347992A (en) | 2012-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102347992B (en) | Network device and network server capable of supporting photoelectric switching | |
| CN103036619B (en) | Single optical transport intelligent communication module and its application process | |
| CN101404001A (en) | Serial port signal and USB signal compatible control circuit board and communication data cable | |
| CN202735787U (en) | Electric power information machine room environment real-time monitoring system | |
| CN103293407A (en) | Portable testing device of electric automobile charging equipment | |
| CN103795458A (en) | Optical fiber switching protection system and control method thereof | |
| CN203645671U (en) | Fiber switching protection system | |
| CN209657123U (en) | A kind of control system | |
| CN201805421U (en) | Communication device between direct current (DC) protection systems and DC control systems | |
| CN103532804A (en) | Double-Ethernet networking server provided with multi-serial ports | |
| CN203279199U (en) | Wireless communication terminal based on remote broadband electric power lines | |
| CN110715791B (en) | Optical fiber type laser energy distribution network system and distribution method | |
| CN110515332A (en) | Industrial bus abnormity troubleshooting device and method | |
| CN102544919A (en) | Cable | |
| CN102546841B (en) | Multimode serial port communication system and implementation method thereof | |
| CN210348243U (en) | Power management system and robot | |
| CN202429220U (en) | Photo-electricity semi-automatic block module | |
| CN202615601U (en) | Concentrator capable of achieving multi-mode multi-channel communication in designated shell | |
| CN206470549U (en) | A kind of micro embedded terminal | |
| CN204205710U (en) | A kind of power equipment possessing communication interface selection function | |
| CN217655451U (en) | Control circuit for realizing communication switching and illumination control system | |
| CN220556642U (en) | Novel intelligent plugboard | |
| CN203659206U (en) | Optical communication device | |
| CN208079472U (en) | The total touch screen of bimodulus and lighting system | |
| CN218734654U (en) | Extensible switch |
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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230712 Address after: 518000 1701, Yanxiang Science and Technology Building, No. 31, High-tech Middle 4th Road, Maling Community, Yuehai Street, Nanshan District, Shenzhen, Guangdong Province Patentee after: Shenzhen Yanxiang Smart Technology Co.,Ltd. Address before: 518057 Guangdong city of Shenzhen province Nanshan District high in the four EVOC Technology Building No. 31 Patentee before: EVOC INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |