CN206638806U - Regional positioner - Google Patents
Regional positioner Download PDFInfo
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- CN206638806U CN206638806U CN201621257917.0U CN201621257917U CN206638806U CN 206638806 U CN206638806 U CN 206638806U CN 201621257917 U CN201621257917 U CN 201621257917U CN 206638806 U CN206638806 U CN 206638806U
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- China
- Prior art keywords
- connection device
- biography
- identification information
- positioner
- remote server
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The utility model discloses a kind of regional positioner, including at least one first biography connection device to pass connection devices with multiple second.First biography connection device periodically sends the identification information for representing the first biography connection device.Multiple second biography connection devices are estimated after identification information is received receives a reception situation of identification information by the first biography connection device, and transmits identification information and reception situation a to remote server.Remote server passes the position relationship between connection device according to each second identification information for passing connection device transmission and each second biography connection device of reception situation calculating and first, and according to the position of these position relationships calculating the first biography connection device.Accordingly, regional positioner can utilize simple in construction and low-power consumption second to pass the positioning that connection device realizes the first biography connection device.The utility model can reduce the cost of positioner.
Description
Technical field
Field of locating technology is the utility model is related to, personnel or thing in zonule are used as in particular to one kind
The regional positioner of the positioning and tracking of product.
Background technology
Regional positioner now is widely used in the people's livelihood purposes such as engineering, medical treatment, tracking, personal positioning,
Its positioning method is (such as mobile using short-range wireless devices (such as Bluetooth Receiver) the sensing original device set in the environment
Blue-tooth device) transmitted by the information such as wireless signal, distance or angle between measurement, then short-range wireless devices
Further according to the position of these information estimation original device.General common positioning method is, for example, direction of arrival (Angle of
Arrival, AOA), time of arrival (toa) (Time of Arrival, TOA), signal arrival time difference (Time Difference
Of Arrival, TDOA), received signal strength pointer (Received Signal Strength Indicator, RSSI) etc.
Positioning method.Now, short-range wireless devices (such as Bluetooth Receiver) will form area with original device (such as mobile blue-tooth device)
Domain property positioner.
However, the position of estimation original device needs higher amount of calculation.Therefore short-range wireless devices need to expend a large amount of electric power
To complete required amount of calculation so that short-range wireless devices need often to change power battery or are fixedly installed in the environment
Somewhere persistently receives electric power.
Therefore, can if short-range wireless devices can have relatively low power consumption and settable optional position in the environment
Improve the application of regional positioner.
Utility model content
The utility model provides a kind of regional positioner in an embodiment.Regional positioner is included at least
One first passes connection device, multiple second biography connection devices and a remote server.First biography connection device be located at a communication range it
In, and periodically send the identification information for representing the first biography connection device.Multiple second, which pass connection device, forms communication range, and
Estimate respectively and a reception situation of the identification information is received by the first biography connection device, and transmit the identification information and the reception
Situation is to a remote server.Remote server passes identification information and the reception shape of transmission that connection device transmits according to each second
Condition, which calculates each second and passes connection device and first, passes a position relationship between connection device, and calculates the according to multiple position relationships
One passes the position of connection device.
Preferably, a reception signal of the second biography connection device reception identification information is strong corresponding to each reception situation representative
Angle value, and each position relationship represents the distance between each second biography connection device and the first biography connection device.
Preferably, identification information also has a sensing signal.Sensing signal is to sense an As-Is by a sensing module
And produce, and sensing module is arranged on the first biography connection device.
Preferably, remote server obtains the As-Is of sensing module according to sensing signal.
Preferably, the first biography connection device has a response assemblies.Multiple second, which pass one of connection device transmission one, finds
Signal is to the first response assemblies for passing connection device, and response assemblies produce a response signal according to signal is found.
Preferably, regional positioner also includes an electronic apparatus.Electronic apparatus wireless connection remotely takes
Business device, to receive the first of remote server calculating the position for passing connection device.
Preferably, regional positioner also includes an electronic apparatus.Electronic apparatus wireless connection remotely takes
Business device, to receive the As-Is of the sensing module of remote server acquirement.
The utility model provides a kind of regional positioner in another embodiment.Regional positioner is included extremely
Few one first passes connection device, one second biography connection device and remote server.At least one first passes connection device positioned at a communication
Among scope, and periodically send the identification information for representing the first biography connection device.Second biography connection device is arranged at an environment
Position, and form communication range in environment position.After second biography tipping is placed in and receives identification information, transmission identification information to one
Remote server.Remote server is according to identification information using environment position as the first position for passing connection device.
Preferably, identification information also has a sensing signal.Sensing signal is to sense an As-Is by a sensing module
And produce, and sensing module is arranged on the first biography connection device.
Preferably, remote server obtains the As-Is of sensing module according to sensing signal.
In summary, the regional positioner that the utility model embodiment is provided, its multiple second biographies connection device is only
Relevant information (such as identification information of the present utility model or identification information and the signal for being associated with the first biography connection device can be transmitted
The combination of receive information) into remote server, (handled again i.e. in remote server with calculating the first position for passing connection device
Miscellaneous computing).Second biography connection device can't calculate the position of the first biography connection device.Accordingly, the first position for passing connection device is calculated
Put and all handled in remote server so that regional positioner of the present utility model can utilize simple in construction and low-power consumption
The second biography connection device realize the positioning of the first biography connection device, reduce the cost of positioner.
Feature of the present utility model and technology contents are further understood that to be enabled, are referred to below in connection with the utility model
Detailed description and accompanying drawing, but these explanation with brief description of the drawings book accompanying drawing be intended merely to illustrate the utility model, rather than to this
The claim of utility model makees any limitation.
Brief description of the drawings
Fig. 1 is the schematic diagram for the regional positioner that the utility model embodiment provides.
Fig. 2 is the schematic diagram that the regional positioner that another embodiment of the utility model provides is arranged on factory.
Fig. 3 is the schematic diagram that the regional positioner that another embodiment of the utility model provides is arranged on laboratory.
Fig. 4 is the schematic diagram that the regional positioner that another embodiment of the utility model provides is arranged on Huo Liao factories.
Embodiment
Hereinafter, this practicality will be described in detail newly by brief description of the drawings and various illustrative embodiments of the present utility model
Type.However, the utility model concept may embody in many different forms, and should not be construed as limited by set forth herein
Exemplary embodiments.In addition, same reference numbers can be used to represent similar component in the accompanying drawings.
First, Fig. 1 is refer to, it shows the schematic diagram for the regional positioner that the utility model embodiment provides.Such as
Shown in Fig. 1, regional positioner 100 is used as in an environment (such as factory, office, some region) personnel or article
Positioning and tracking.Regional positioner 100 include at least one first pass connection device 110, multiple second pass connection device 120a,
120b, 120c and a remote server 130.In the present embodiment, the first biography biography connection device of connection device 110 and second 120a-c can
Passed for bluetooth connect device, WIFI wireless devices or other can link up the wireless device of transmission, and can also be determined according to environment size
Surely which kind of wireless device is used, the utility model is not restricted to this.
For example, if environment is factory, office or outdoor park areas, the first biography connection device 110 is that bluetooth biography connects
Device, and be arranged on personnel or article.And the second biography connection device 120a-120c is that the biography with Bluetooth function and WIFI function connects
Device, and some position being separately positioned in environment.Remote server 130 is high in the clouds device, and sets in space some
Position.How the utility model regionality positioner 100 described further below positions the first biography connection device 110.
Fig. 1 is gone back to, the second biography connection device 120a-c is separately positioned on some position in environment, and first passes connection device
110 are set on personnel or article in the environment.There is each second biography connection device 120a-c respective communication range (not paint
In accompanying drawing), and the first biography connection device 110 is located among communication range.
First biography connection device 110 periodically sends the identification information ID1 for representing the first biography connection device 110.This means,
One, which passes the meeting fixed time broadcast of connection device 110 (Broadcast), sends out identification information ID1, for setting the second biography in the environment to connect
Device 120a-c is received and subsequent treatment.It is each after the second biography connection device 120a-120c receives identification information ID1
It is individual second biography connection device 120a-120c by estimate by first biography connection device 110 receive identification information ID1 reception situation Sa,
Sb and Sc, and transmit identification information ID1 and estimate reception situation Sa, Sb and Sc of side to a remote server 130.Such as Fig. 1 institutes
Show, the second biography connection device 120a will transmit identification information ID1 with receiving situation Sa to remote server 130, the second biography connection device
120b will transmit identification information ID1 with receiving situation Sb to remote server 130, and second, which passes connection device 120c, will transmit identification letter
ID1 is ceased with receiving situation Sc to remote server 130.
For further, each, which receives the second biography connection device 120a-120c corresponding to situation Sa-Sc representatives and received, knows
The received signal strength value (RSSI) of other Information ID 1, direction of arrival degree (AOA), time of arrival (toa) (TOA), signal reach
Time difference (TDOA) or other can represent the reception situation that the second biography connection device 120a-120c receives identification information ID1, this practicality
It is new that this is not restricted.In the present embodiment, the second biography connection device 120a-120c corresponding to situation Sa-Sc representatives is received to connect
Receive identification information ID1 received signal strength value (RSSI).
Remote server 130 is according to each second biography connection device 120a-120c identification information ID1 transmitted and transmission
Reception situation Sa-Sc calculates each second position passed between the biography connection devices 110 of connection device 120a-120c and first and closed
System, and calculate the first position for passing connection device according to these position relationships.For further, above-mentioned position relationship can be second
Pass connection device 120a-120c and first biography the distance between connection device 110, angle or other information, the utility model to this not
It is restricted.In the present embodiment, each position relationship represents each second biography connection device 120a-120c and first and passed respectively
The distance between connection device 110 Dst1, Dst2 and Dst3.
After obtaining each second biography connection device 120a-120c and first and passing the position relationship between connection device 110,
Remote server 130 will calculate the first position for passing connection device 110 according to these position relationships.As shown in figure 1, remote server
130 will calculate the first position for passing connection device 110 and being located in environment according to distance Dst1-Dst3.And relevant remote server 130
The position that the first biography connection device 110 is calculated according to position relationship is noted by one of ordinary skill in the art, therefore will not be repeated here.
Therefore, remote server 130 will can select different positioning modes according to the position relationship being an actually-received, for example, long-range clothes
Business device 130 calculates the position of the first biography connection device 110 using One-Point Location method, three-point fox method or signal angle positioning mode
Put.
In another embodiment, identification information ID1 can also have a sensing signal, and sensing signal is by a sensing module
(not being plotted in accompanying drawing) senses an As-Is and produced.For example, sensing module is arranged on the first biography connection device 110,
And first biography connection device 110 be arranged on personnel or article, further to sense the physiological function situation of personnel or the thing of article
Reason situation.And sensing signal will with identification information ID1 via each second biography connection device 120a-120c be sent to long-range clothes
Business device 130.Remote server 130 will obtain the As-Is of sensing module according to sensing signal.In the present embodiment, mould is sensed
Block can be gravity sensor (g-sensor), heartbeat sensor or other sensors, so that remote server 130 is analyzed or is recorded
Personnel or the situation of article, the utility model are not restricted to this.
In another embodiment, regional positioner 100 also includes an electronic apparatus and (is not plotted in accompanying drawing
In), electronic apparatus is wireless connection remote server 130, and connection device is passed to receive the first of the calculating of remote server 130
The As-Is for the sensing module that 110 position and/or remote server 130 obtain, and then hand-held mobile electronic device is provided
Customer analysis or the situation of record or article.
Following examples will explain using environment as factory.Regional positioner 200 has first to pass connection device
210th, second connection device 220a, 220b, 220c, 220d, remote server 230 and electronic apparatus 240 are passed.Second passes tipping
Some position that 220a, 220b, 220c, 220d are separately positioned in factory is put, and the first biography connection device 210 is arranged on nobody and removed
Transport on car.And remote server 230 then sets some position (environment such as in factory or outside factory) in space.
As shown in Fig. 2 first passes connection device 210 among the second communication range for passing that connection device 220a-220c is formed,
But and it is not located among the communication range of the second biography connection device 220d formation.Therefore, when the first biography connection device 210 is periodically sent out
When sending the identification information ID2 for representing the first biography connection device 210, the second biography connection device 220a-220c will receive identification information
ID2, and the second biography connection device 220d will not receive identification information ID2.Now, the second biography connection device 220a-220c will estimate
Identification information ID2 reception situation Sd, Se and Sf are received, and transmits identification information ID2 with receiving situation Sd-Sf to long-range clothes
Business device 230.
Then, remote server 230 will according to identification information ID2 with receive situation Sd-Sf calculate respectively each second
Pass connection device 120a-120c and first and pass the distance between connection device 110 Dst4, Dst5 and Dst6, and according to these distances
Dst4-Dst6 calculates the first position for passing connection device 210.First about the present embodiment, which passes connection device 210, second, passes connection device
The method of operation between 220a-220d and remote server 230 generally passes connection device 110, the with the first of previous embodiment
Two biography connection device 120a-120c are identical with the method for operation of remote server 130, therefore will not be repeated here.
And electronic apparatus 240 is wireless connection remote server 230, to receive the of the calculating of remote server 230
One passes the position of connection device, to learn the position of automatic guided vehicle accordingly.Accordingly, the personnel of hand-held mobile electronic device 240 will
The position of automatic guided vehicle can be followed the trail of for example, by the operation of dedicated programs (APP).
Following examples will explain using environment as laboratory.Regional positioner 300 has first to pass connection device
310th, one second connection device 320, a remote server 330 and an electronic apparatus 340 are passed.Second biography connection device 320 is set
In vitro environment position P (such as by the gate of laboratory), and the first biography connection device 310 is arranged on research staff.And
Remote server 330 then sets some position in space (as tested the environment outside indoor or laboratory).
As shown in figure 3, first passes connection device 310 among the second communication range for passing that connection device 320 is formed.Therefore,
When the first biography connection device 310 periodically sends the identification information ID3 for representing the first biography connection device 310, second passes connection device
320 will receive identification information ID3, and transmit identification information ID3 to remote server after identification information ID3 is received
330.Then, remote server 330 by according to identification information ID3 using environment position P as first pass connection device 310 position,
To learn the position of research staff accordingly.
And if the first biography connection device 310 is provided with sensing module (not being plotted in accompanying drawing), it is current that sensing module will sense one
Situation (the physiological function situation of such as research staff), and corresponding generation sensing signal.Sensing signal is included in identification information ID3
In, further for, sensing module after sensing signal is produced, first biography connection device 310 by sensing signal is added to identification believe
Among ceasing ID3, periodically to send identification information ID3.And sensing signal will be hinged with as identification information ID3 passes via second
Put 320 and be sent to remote server 330.Remote server 330 will obtain the As-Is of sensing module according to sensing signal, with
The physiological function situation of research staff is learnt accordingly.In the present embodiment, sensing module is, for example, gravity sensor (g-
Sensor), heartbeat sensor or other sensors, so that the situation of research staff, this reality are analyzed or recorded to remote server 330
This is not restricted with new.
And electronic apparatus 340 is wireless connection remote server 330, to receive the of the calculating of remote server 330
One passes the As-Is of the sensing module of the position of connection device and/or the acquirement of remote server 330, and then provides hand-held mobile electricity
The user of sub-device 340 learns the position of research staff and the situation of research staff accordingly.Therefore, regional positioner 300
Research staff's motion track can be calculated to enter or leaving laboratory, and record entry time and time departure.Meanwhile region
Property positioner 300 again can be interlocked with gateway access control, automatic open close gateway, to be further used as personnel's entrance guard management
Or work attendance foundation.
Following examples will explain using environment as Huo Liao factories.Regional positioner 400 has first to pass connection device
410a, 410b, 410c, 410d, 410e, 410f, second pass connection device 420a, 420b, 420c and remote server 430.Second
Pass some position that connection device 420a-420c is separately positioned in Huo Liao factories.First passes connection device 410a-410c, 410e-410f
It is arranged on goods magazine, and first passes connection device 410d settings on the ground.And remote server 430 then sets in space certain
Individual position (environment such as outside Nei Huohuoliao factories of Huo Liao factories).
As shown in figure 4, first passes connection device 410a-410f positioned at the second communication model for passing connection device 420a-420c formation
Among enclosing.Explained by taking the first biography connection device 410d as an example.First is represented when the first biography connection device 410d is periodically sent
When passing connection device 410d identification information ID4, the second biography connection device 420a-420c will receive identification information ID4.Now,
Second biography connection device 420a-420c will estimate reception situation Sg, Sh and the Si for receiving identification information ID4, and transmit identification letter
ID4 is ceased with receiving situation Sg-Si to remote server 430.
Then, remote server 430 will calculate each second biography respectively according to identification information ID4 with receiving situation Sg-Si
Connection device 420a-420c and first passes the distance between connection device 410d Dst7, Dst8 and Dst9, and according to these distances
Dst7-Dst9 calculates the first position for passing connection device 410d.First about the present embodiment passes connection device 410a-410f, second
Pass the method for operation between connection device 420a-420c and remote server 430 and generally pass tipping with the first of previous embodiment
It is identical with the method for operation of remote server 130 to put the 110, second biography connection device 120a-120c, therefore will not be repeated here.
Different places are, first pass connection device 410a-410f have respectively a response assemblies 415a, 415b, 415c,
415d、415e、415f.And second passes one of connection device 420a-420c and transmittable one will find signal Fd to corresponding the
One passes the response assemblies of connection device so that response assemblies produce a response signal according to signal is found.
For Fig. 4 embodiment, the second biography connection device 420a is controlled by remote server 430.When goods magazine have it is thousands of
It is individual, and when user is intended to find the goods magazine for being provided with the first biography connection device 410a, user can control remote server 430 to pass
Send to find first and pass connection device 410a information and pass one of connection device 420a-420c to second, such as the second of the present embodiment
Pass connection device 420a.Second, which passes connection device 420a, will then transmit the sound found signal Fd to corresponding first and pass connection device 410a
Answer component 415a.Now, response assemblies 415a will produce a response signal according to signal Fd is found, and further produce response
(such as sending the sound or light etc.), the first biography connection device 410a goods magazine is provided with so that user is quickly found out.
And in other embodiments, user also (can not be plotted in accompanying drawing) wireless link to second by electronic apparatus
Connection device 420a-420c is passed, passing connection device 420a-420c transmission searchings signal Fd to corresponding first with control second passes tipping
Put 410a response assemblies 415a so that response assemblies 415a produces response signal according to signal Fd is found.Or user is led to
Cross electronic apparatus and (be not plotted in accompanying drawing) wireless link to the first biography connection device 410a to be found, to transmit searching signal
Fd to first passes connection device 410a response assemblies 415a so that response assemblies 415a produces response letter according to signal Fd is found
Number.The utility model is not restricted to this.
Therefore, the response assemblies 415a-415f of regional positioner 400 can be further sent out the sound or light to inform
The position of user's goods magazine, can be for example, by the guiding of the dedicated programs (APP) of electronic apparatus to provide user
With informing for response assemblies 415a-415f, the goods magazine to be found is quickly found out.
From the foregoing, the regional positioner that the utility model embodiment is provided, its second biography connection device only can
Transmission is associated with the relevant information of the first biography connection device, and (such as identification information of the present utility model or identification information connect with signal
The combination of collection of letters breath) into remote server, (complexity is handled i.e. in remote server to calculate the first position for passing connection device
Computing).Second biography connection device can't calculate the position of the first biography connection device.Accordingly, the first position for passing connection device is calculated
All handled in remote server so that regional positioner of the present utility model can utilize simple in construction and low-power consumption
Second passes connection device to realize the positioning of the first biography connection device.
It is described above, the only optimal specific embodiment of the utility model, and feature of the present utility model is not limited to
This, any those skilled in the art in field of the present utility model, can think easily and change or modification, can all cover this
In the claimed scope of the claim of application.
Claims (10)
- A kind of 1. regional positioner, it is characterised in that including：At least one first passes connection device, among a communication range, and periodically sends and represents the first biography connection device An identification information；AndMultiple second pass connection devices, form the communication range, and estimation first is passed by this after the identification information is received Connection device receives a reception situation of the identification information, and transmits the identification information and the reception situation a to remote service Device；Wherein, the remote server is according to each second reception situation for passing the identification information of connection device transmission and transmitting The position relationship between each second biography connection device and the first biography connection device is calculated, and is calculated according to the position relationship The position of the first biography connection device.
- 2. regional positioner as claimed in claim 1, it is characterised in that each reception situation represent corresponding to this Two biography connection devices receive a received signal strength value of the identification information, and each position relationship represents each second biography and connect A distance between device and the first biography connection device.
- 3. regional positioner as claimed in claim 1, it is characterised in that the identification information also has a sensing signal, The sensing signal produces to sense an As-Is by a sensing module, and the sensing module is arranged on the first biography tipping Put.
- 4. regional positioner as claimed in claim 3, it is characterised in that the remote server takes according to the sensing signal Obtain the As-Is of the sensing module.
- 5. regional positioner as claimed in claim 1, it is characterised in that the first biography connection device has a response group Part, described second, which passes one of connection device transmission one, finds signal to first response assemblies for passing connection device, and the sound Component is answered to produce a response signal according to the searching signal.
- 6. regional positioner as claimed in claim 1, it is characterised in that also including an electronic apparatus, the movement Electronic installation wireless connection remote server, to receive the position of the first biography connection device of remote server calculating.
- 7. regional positioner as claimed in claim 4, it is characterised in that also including an electronic apparatus, the movement Electronic installation wireless connection remote server, to receive the As-Is of the sensing module of remote server acquirement.
- A kind of 8. regional positioner, it is characterised in that including：At least one first passes connection device, among a communication range, and periodically sends and represents the first biography connection device An identification information；AndOne second passes connection device, is arranged at an environment position, and the communication range is formed in the environment position, and in receiving the knowledge After other information, the identification information is transmitted to a remote server；Wherein, the remote server is according to position of the identification information using the environment position as the first biography connection device.
- 9. regional positioner as claimed in claim 8, it is characterised in that the identification information also has a sensing signal, The sensing signal produces to sense an As-Is by a sensing module, and the sensing module is arranged on the first biography tipping Put.
- 10. regional positioner as claimed in claim 9, it is characterised in that the remote server is according to the sensing signal Obtain the As-Is of the sensing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257917.0U CN206638806U (en) | 2016-11-23 | 2016-11-23 | Regional positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257917.0U CN206638806U (en) | 2016-11-23 | 2016-11-23 | Regional positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206638806U true CN206638806U (en) | 2017-11-14 |
Family
ID=60261639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621257917.0U Active CN206638806U (en) | 2016-11-23 | 2016-11-23 | Regional positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206638806U (en) |
-
2016
- 2016-11-23 CN CN201621257917.0U patent/CN206638806U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20190826 Address after: Room 1309-1312, Building C, Huangdu Plaza, 3008 Yitian Road, Futian District, Shenzhen City, Guangdong Province Co-patentee after: Haishui Core (Wuxi) Technology Co., Ltd. Patentee after: Shisu Xingye Technology (Shenzhen) Co., Ltd. Address before: 518048 Room 1309-1312, Building C, Huangdu Square, 3008 Yitian Road, Futian District, Shenzhen City, Guangdong Province Co-patentee before: Shisu Science & Technology Co., Ltd. Patentee before: Shisu Xingye Technology (Shenzhen) Co., Ltd. |
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| TR01 | Transfer of patent right |