CN208805616U - Integral type head shows equipment - Google Patents
Integral type head shows equipment Download PDFInfo
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- CN208805616U CN208805616U CN201821299181.2U CN201821299181U CN208805616U CN 208805616 U CN208805616 U CN 208805616U CN 201821299181 U CN201821299181 U CN 201821299181U CN 208805616 U CN208805616 U CN 208805616U
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- antenna
- integral type
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- type head
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Abstract
The utility model discloses a kind of integral type heads to show equipment.The integral type head of the utility model shows equipment, including shell and it is fixed at the intracorporal main circuit board of shell, it further includes at least two antennas connecting with main circuit board that integral type head, which shows equipment, at least two antennas are fixed in shell, and two at least two antennas are located at cornerwise both ends of shell.Antenna is separately positioned on the cornerwise both ends of shell, to increase the distance between antenna and antenna, is fitted close the two mutually, guarantees that antenna receives and all standing may be implemented when emitting radiofrequency signal.When user shows equipment using integral type head, no matter how to move and shift one's position, all there is good radio signal reception strength in the presence of the radiofrequency signal of any one antenna, so that integral type head shows the antenna efficiency and WLAN throughput that equipment is optimal, guarantee that user uses the viewing of WLAN smoothness.
Description
Technical field
The utility model relates to radio transmission technical fields more particularly to a kind of integral type head to show equipment.
Background technique
With the rapid development of virtual reality technology, user also proposed more higher requirements to virtual reality technology,
Being mainly reflected in user can be more convenient and more easily using virtual reality technology.Such as reduce virtual reality device
Volume, at the same it is also easy to use.
In the prior art, virtual reality device includes that circumscribed head shows equipment, mobile end shows equipment and integral type head is aobvious
Equipment.Wherein, the aobvious equipment of circumscribed head has independent display screen, and product structure is complicated, and technology content is higher, user experience
Preferably.But use can be realized by needing to connect external equipment using data line, by the constraint of data line, nothing when user uses
Method is move freely.Mobile end shows equipment, and structure is simple, cheap, easy to use as long as being put into mobile phone or may be viewed by,
Such as VR glasses.And integral type head shows equipment, product is on the low side, is also VR all-in-one machine, just without any input-output equipment
3D three-dimensional sense bring visual impact can be experienced heartily in the virtual world.It is provided with solely since integral type head is shown in equipment
Vertical display screen and the antenna for wireless connection, may be implemented to be connected to the network, watch video online.But use VR online
It is much greater compared to mobile phone to watch the resource that video needs, so also having required higher WLAN data transmission rate.It is existing
The WLAN Antenna Design of VR equipment in the market is relatively simple, is generally designed using single antenna.The WLAN data of single antenna is transmitted
Rate is limited, causes user not smooth enough when seeing HD video by WLAN, influences the usage experience of user.
Utility model content
The Antenna Design that equipment is shown to solve the integral type head that above-mentioned background technique proposes relatively simple causes data to pass
The problem of defeated rate deficiency, the utility model provide a kind of aobvious equipment of integral type head.
One aspect according to the present utility model provides a kind of aobvious equipment of integral type head, and it includes shell that integral type head, which shows equipment,
Body and it is fixed at the intracorporal main circuit board of shell, it further includes at least two days connecting with main circuit board that integral type head, which shows equipment,
Line, at least two antennas are fixed in shell, and two at least two antennas are located at the cornerwise of shell
Both ends.
Preferably, at least two antennas include first antenna and the second antenna, and first antenna and the second antenna are located at shell
Cornerwise both ends, and extend to form predetermined angle along the inner surface of shell.
Preferably, first antenna includes the first irradiation unit, and the first irradiation unit is arranged on the first FPC plate, on the first FPC plate
It is additionally provided with first ground wire adjacent with the first irradiation unit；It is provided with the first feeding point on first irradiation unit, is set on the first ground wire
It is equipped with the first feedback place；First antenna further includes the first coaxial cable, and the first coaxial cable passes through the first feeding point and the first feedback
First antenna is electrically connected to main circuit board by place.
Preferably, the first FPC plate is pasted on the first diagonal edge of shell, and the first irradiation unit from the center of shell to
Outer end extends；First FPC plate long 33-36mm, wide 13-16mm.
Preferably, the first irradiation unit is sheet metal, is provided with hollow hole in the middle part of sheet metal and is extended by hollow hole
Scalloped channels outside to sheet metal.
Preferably, the second antenna includes the second irradiation unit, and the second irradiation unit is arranged on the 2nd FPC plate, on the 2nd FPC plate
It is additionally provided with second ground wire adjacent with the second irradiation unit；It is provided with the second feeding point on second irradiation unit, is set on the second ground wire
It is equipped with the second feedback place；Second antenna further includes the second coaxial cable, and the second coaxial cable passes through the second feeding point and the second feedback
Second antenna is electrically connected to main circuit board by place.
Preferably, the 2nd FPC plate is pasted on the second diagonal edge of shell, and the second irradiation unit from the center of shell to
Outer end extends；2nd FPC plate long 33-36mm, wide 13-16mm.
Preferably, the second irradiation unit is sheet metal, is provided with hollow hole in the middle part of sheet metal and is extended by hollow hole
Scalloped channels outside to sheet metal.
Preferably, first antenna module and the second Anneta module are provided on main circuit board, first antenna is electrically connected to
One Anneta module, the second antenna are electrically connected to the second Anneta module.
Preferably, first antenna module and the second Anneta module are RF receiving and transmission module QM48858.
Technical solution according to the present utility model shows in equipment in integral type head and at least two antennas is arranged, for receiving
With transmitting signal.Two at least two antennas are separately positioned on the cornerwise both ends of shell, to increase antenna and antenna
The distance between, it is fitted close the two mutually, guarantees that antenna receives and all standing may be implemented when emitting radiofrequency signal.User
When showing equipment using integral type head, no matter how to move and shift one's position, all has in the presence of the radiofrequency signal of any one antenna
Good radio signal reception strength, so that integral type head shows equipment and can achieve optimal antenna efficiency and WLAN throughput,
Guarantee that user uses the viewing of WLAN smoothness.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram that integral type head provided by the embodiment of the utility model shows equipment；
Fig. 2 is the position signal for the first diagonal edge that integral type head provided by the embodiment of the utility model shows apparatus casing
Figure；
Fig. 3 is the position signal for the second diagonal edge that integral type head provided by the embodiment of the utility model shows apparatus casing
Figure；
Fig. 4 is the structure chart of antenna provided by the embodiment of the utility model；
Fig. 5 is that position assumption diagram is arranged in first antenna provided by the embodiment of the utility model and the second antenna.
In figure, 10, shell；11, the first diagonal edge；12, the second diagonal edge；20, antenna；21, irradiation unit；211, it engraves
Emptying aperture；212, scalloped channels；22, ground wire；23, coaxial cable；A, feeding point；B, place is presented；D, coaxial cable and antennal interface
Connecting pin；31, first antenna；32, the second antenna.
Specific embodiment
In order to solve the technical issues of proposing in background technique, present inventor expects showing in equipment in integral type head
At least two antennas are set, to improve WLAN data transmission rate.To make the purpose of this utility model, technical solution and advantage more
Add clear, the embodiments of the present invention is described in further detail below in conjunction with attached drawing.
One aspect according to the present utility model provides a kind of aobvious equipment of integral type head, and it includes shell that integral type head, which shows equipment,
Body and it is fixed at the intracorporal main circuit board of shell, it further includes at least two days connecting with main circuit board that integral type head, which shows equipment,
Line, at least two antennas are fixed in shell, and two at least two antennas are located at the cornerwise of shell
Both ends.
Fig. 1 shows the structure chart that integral type head provided by the embodiment of the utility model shows equipment, as shown in Figure 1, this reality
Equipment is shown with novel integral type head, integral type head shows the main circuit board that equipment includes shell 10 and is fixed in shell 10
(not shown).Main circuit board is arranged in shell 10, to realize that integral type head shows the function of equipment.Inside shell 10
It is additionally provided with the antenna 20 being electrically connected with main circuit board, for receiving or emitting wireless signal, realizes that integral type head shows equipment
Wireless Internet function.At least two antennas 20 are set in shell 10, and two at least two antennas are located at shell 10
Cornerwise both ends.For example, two antennas are arranged in shell 10, antenna is separately positioned on cornerwise the two of shell 10
End.It is of course also possible to which 4 antennas are arranged in shell, antenna is separately positioned on to two cornerwise four ends of shell 10
Point on.Cornerwise both ends of shell 10 are two farthest points of 10 inner distance of shell, and antenna is respectively set on it, can
It to increase the distance between two antennas 20, is fitted close it mutually, guarantees that antenna receives and can be with when transmitting radiofrequency signal
Realize all standing.I.e. how no matter user move and shift one's position when showing equipment using integral type head, all there is any one
Antenna has good rf signal reception intensity, guarantees that integral type head shows well-equipped wireless connection, so that integral type head
The antenna efficiency and WLAN throughput that aobvious equipment is optimal guarantee that user uses the viewing of WLAN smoothness.
On main circuit board, it is provided with processing chip and two Anneta modules that integral type head shows equipment, two antenna moulds
Block includes first antenna module and the second Anneta module.First antenna module and the second Anneta module are by being wirelessly connected module electricity
It is connected to processing chip, to realize reception and the emission function of radiofrequency signal.High pass APQ8098 can be used by handling chip,
It is wirelessly connected module wirelessly connecting using support MIMO (Multiple-Input Multiple-Output, Multiple Input Multiple Output)
IC WCN3990 is met, Anneta module can use RF receiving and transmission module QM48858, and integrated circuit can support 2.4G and 5G power
Amplification.Using the set-up mode, the message transmission rate of WLAN can be accelerated, improve data processing speed, guarantee integral type head
The network connection of aobvious equipment is unimpeded, and the virtual reality video for the online viewing high definition that user can be smooth promotes user experience.
Fig. 4 shows the structure that integral type head shows the antenna used in equipment.As shown in figure 4, antenna 20 includes irradiation unit
21 and ground wire 22, irradiation unit 21 and ground wire 22 be disposed adjacently on FPC plate, specifically can use printed circuit processing side
Method, processing form FPC antenna.Feeding point A is provided on irradiation unit 21, signal wire is electrically connected to feeding point A, so that irradiation unit 21
Received or emitted radiofrequency signal.Feedback place B is provided on ground wire 22, the ground for being electrically connected to main circuit board by presenting place B,
Complete resonance circuit is formed, to realize 20 function of antenna.FPC antenna is connect by the antenna that coaxial cable is connected to main circuit board
Mouthful, specifically use base band coaxial cable.The conductor of coaxial cable is connect with the feeding point A of irradiation unit 21, shielded layer and ground wire 22
The B connection of feedback place, the antennal interface of the end D of coaxial cable and main circuit board connects, to realize FPC antenna and main circuit board
Electrical connection.Antennal interface is the interface of RF receiving and transmission module QM48858, with antenna 20 cooperate realize radiofrequency signal reception and
Transmitting.Using FPC antenna, the volume of antenna 20 can be effectively reduced, so that biggish antenna 20 can be set inside shell 10
Clearance zone improves the performance of antenna 20.
The front setting irradiation unit 21 and ground wire 22 of FPC plate, the back side are provided with gum layer, and FPC plate is pasted by gum layer
In shell 10.Using the fixed FPC antenna of gum layer, structure is simple, high reliablity, and quick-replaceable may be implemented, convenience
It is higher.FPC plate long 33-36mm, wide 13-16mm.Specifically, FPC plate can use long 35mm, wide 14mm, under the size, energy
Enough guarantee that irradiation unit 21 has certain length and width, and have certain space layout ground wire 22, to increase antenna 20
Contact area improves the performance of antenna 20.
The irradiation unit 21 of antenna 20 is sheet metal, and at the middle part of sheet metal, i.e. hollow hole 211 is arranged in center,
To reduce the width of sheet metal.A scalloped channels 212 are also set up on sheet metal, scalloped channels 212 beat sheet metal
It is disconnected to form notch, it is extended to outside sheet metal by hollow hole 211, sheet metal is made to form the gold with one fixed width and bending
Belong to thin slice.Hollow hole 211 and scalloped channels 212, which is arranged, can increase the length of sheet metal, be wanted with meeting the performance of antenna 20
It asks, such as makes antenna that there is certain resonance frequency.The structure of ground wire 22 can be using similar with the structure of irradiation unit 21, to increase
Add the area of ground wire 22.
Preferably, at least two antennas 20 include first antenna 31 and the second antenna 32, first antenna 31 and the second antenna
32 are located at cornerwise both ends of shell, and extend to form predetermined angle along the inner surface of shell.Specifically, aobvious in integral type head
In the shell 10 of equipment, as shown in Figures 2 and 3, there is the first diagonal edge 11 and the second diagonal edge 12 inside shell 10, the
A pair of of corner edge 11 and the second diagonal edge 12 are two farthest points of the inner surface distance of shell 10, can be in shell 10 and appoint
The both ends of one line of meaning maximum distance.First antenna 31 and the second antenna 32 are all made of above-mentioned FPC antenna, as shown in figure 5,
The setting of first antenna 31 is arranged in the first diagonal edge 11, the second antenna 32 in the second diagonal edge 12, so that first antenna 31
It is farthest with distance of second antenna 32 in shell 10.Moreover, the first diagonal edge 11 and the second diagonal edge 12 in shell 10
It is bent due to existing, is unfavorable for preventing electronic component, and FPC antenna has certain flexibility, can sufficiently be bonded with shell 10,
Integral type head is made full use of to show the structure space of equipment.In addition, the bending place of shell 10 is unfavorable for that electronic component is arranged, by FPC
Antenna is arranged at this, can obtain biggish antenna headroom area.
First antenna 31 uses FPC antenna as shown in Figure 4, including the first irradiation unit for being disposed adjacent on FPC plate and
First ground wire.It is provided with the first feeding point on first irradiation unit, the first feedback place is provided on the first ground wire.First antenna 31 is also
Including the first coaxial cable, first antenna 31 is electrically connected to master by the first feeding point and the first feedback place by the first coaxial cable
Circuit board.The conductor of first coaxial wire is connect with the first feeding point, to realize that radiator receives and emit radiofrequency signal function
Energy.First coaxial wire shielded layer is connect with the first feedback place, to increase the contact area of first antenna 31, is improved first day
The performance of line 31.First irradiation unit is sheet metal, is provided with hollow hole in the middle part of sheet metal and extends to gold by hollow hole
Belong to the scalloped channels outside thin slice, sheet metal is made to form the sheet metal with one fixed width and bending.Be arranged hollow hole and
Scalloped channels can increase the length of sheet metal, to meet the performance requirement of antenna, such as have first antenna centainly
Resonance frequency.First FPC plate long 33-36mm, wide 13-16mm, specifically can long 35mm, wide 14mm, guarantee have certain face
Product, to meet the size requirements of the first irradiation unit and the first ground wire.
Second antenna 32 also uses FPC antenna as shown in Figure 4, including the second irradiation unit being disposed adjacent on FPC plate
With the second ground wire.It is provided with the second feeding point on second irradiation unit, the second feedback place is provided on the second ground wire；Second antenna 32
It further include the second coaxial cable, the second antenna 32 is electrically connected to by the second coaxial cable by the second feeding point and the second feedback place
Main circuit board.The conductor of second coaxial wire is connect with the second feeding point, to realize that radiator receives and emit radiofrequency signal
Function.Second coaxial wire shielded layer is connect with the second feedback place, to increase the contact area of the second antenna 32, improves second
The performance of antenna 32.Second irradiation unit is sheet metal, is provided with hollow hole in the middle part of sheet metal and is extended to by hollow hole
Scalloped channels outside sheet metal make sheet metal form the sheet metal with one fixed width and bending.Hollow hole is set
The length of sheet metal can be increased with scalloped channels, to meet the performance requirement of antenna, such as there is the second antenna centainly
Resonance frequency.2nd FPC plate long 33-36mm, wide 3-6mm, specifically can long 35mm, wide 4mm, guarantee have certain face
Product, to meet the size requirements of the second irradiation unit and the second ground wire.
In order to further strengthen the fitness between first antenna 31 and the second antenna 32, guarantee that integral type head shows equipment
It is wirelessly connected unimpeded, it is preferable that first antenna 31 and the second antenna 32 form predetermined angle.Predetermined angle can be 60 ° extremely
Any angle between 240 ° can be correspondingly arranged according to the shape of shell 10.It is specific as shown in figure 5, first antenna 31 the
One irradiation unit extends outward from the center of shell 10, i.e., the central axis of the length direction of the first irradiation unit and shell 10 is kept
In parallel.Second irradiation unit of the second antenna 32 also extends from the center of shell 10 outward, i.e. the length side of the second irradiation unit 21
To also with the central axis keeping parallelism of shell 10.At this point, be parallel to each other between the first irradiation unit and the second irradiation unit, i.e., first
Antenna 31 is parallel with second day, and the two constitutes 180 degree.Using the set-up mode, so that first antenna 31 and the second antenna 32
The reception of all directions is consistent with the transmitting intensity of radiofrequency signal when on respective position, guarantees that the performance of the two is identical, improves
The working efficiency of antenna.Alternatively, it is also possible to which first antenna 31 is vertical with the holding of the central axis of shell 10, the second antenna 32 with
The central axis keeping parallelism of shell 10, so that first antenna 31 and the second antenna 32 are in 90 °.Using the setting, can be
One antenna 31 and the second antenna 32 have different rf signal reception and emissive porwer in a different direction, and the two is mutually complementary
It fills, to play the maximum performance of antenna, guarantees how no matter user move and shift one's position, antenna is able to maintain certain nothing
Line signal receives intensity, the antenna efficiency and WLAN throughput being optimal, and allows the online smooth viewing video of user, improves
User experience.
In conclusion the integral type head of the utility model shows equipment, at least two antennas are set in shell, for receiving
With transmitting signal.Two at least two antennas are separately positioned on the cornerwise both ends of shell, to increase antenna and antenna
The distance between, it is fitted close the two mutually, guarantees that antenna receives and all standing may be implemented when emitting radiofrequency signal.User
When showing equipment using integral type head, no matter how to move and shift one's position, all has in the presence of the radiofrequency signal of any one antenna
Good radio signal reception strength, so that integral type head shows equipment and can achieve optimal antenna efficiency and WLAN throughput,
Guarantee that user uses the viewing of WLAN smoothness.Meanwhile using FPC antenna, it can be affixed on shell, make full use of in shell
Space, bigger clearance zone can be provided to antenna while saving space, improve antenna performance.
Above description is only a specific implementation of the present invention, under the above-mentioned introduction of the utility model, this field
Technical staff can carry out other improvement or deformation on the basis of the above embodiments.It will be understood by those skilled in the art that
Above-mentioned specific descriptions only preferably explain the purpose of this utility model, and the protection scope of the utility model should be with claim
Protection scope subject to.
Claims (10)
1. a kind of integral type head shows equipment, the integral type head shows equipment and includes shell and be fixed at the intracorporal main circuit of shell
Plate, which is characterized in that
It further includes at least two antennas connecting with the main circuit board, at least two antenna that the integral type head, which shows equipment,
It is fixed in the shell, and two at least two antenna are located at cornerwise the two of the shell
End.
2. integral type head according to claim 1 shows equipment, which is characterized in that
At least two antenna includes first antenna and the second antenna, and the first antenna and second antenna are located at described
Cornerwise both ends of shell, and predetermined angle is extended to form along the inner surface of the shell.
3. integral type head according to claim 2 shows equipment, which is characterized in that
The first antenna includes the first irradiation unit, and first irradiation unit is arranged on the first FPC plate, the first FPC plate
On be additionally provided with first ground wire adjacent with first irradiation unit；
It is provided with the first feeding point on first irradiation unit, the first feedback place is provided on first ground wire；
The first antenna further includes the first coaxial cable, and first coaxial cable passes through first feeding point and described the
The first antenna is electrically connected to the main circuit board by one feedback place.
4. integral type head according to claim 3 shows equipment, which is characterized in that
The first FPC plate is pasted on the first diagonal edge of the shell, and first irradiation unit is from the shell
Center extends outward；
The first FPC plate long 33-36mm, wide 13-16mm.
5. integral type head according to claim 3 shows equipment, which is characterized in that
First irradiation unit is sheet metal, is provided with hollow hole in the middle part of the sheet metal and is extended by the hollow hole
Scalloped channels outside to the sheet metal.
6. integral type head according to claim 2 shows equipment, which is characterized in that
Second antenna includes the second irradiation unit, and second irradiation unit is arranged on the 2nd FPC plate, the 2nd FPC plate
On be additionally provided with second ground wire adjacent with second irradiation unit；
It is provided with the second feeding point on second irradiation unit, the second feedback place is provided on second ground wire；
Second antenna further includes the second coaxial cable, and second coaxial cable passes through second feeding point and described the
Second antenna is electrically connected to the main circuit board by two feedback places.
7. integral type head according to claim 6 shows equipment, which is characterized in that
The 2nd FPC plate is pasted on the second diagonal edge of the shell, and second irradiation unit is from the shell
Center extends outward；
The 2nd FPC plate long 33-36mm, wide 13-16mm.
8. integral type head according to claim 6 shows equipment, which is characterized in that
Second irradiation unit is sheet metal, is provided with hollow hole in the middle part of the sheet metal and is extended by the hollow hole
Scalloped channels outside to the sheet metal.
9. integral type head according to claim 2 shows equipment, which is characterized in that
First antenna module and the second Anneta module are provided on the main circuit board, the first antenna is electrically connected to described
One Anneta module, second antenna are electrically connected to second Anneta module.
10. integral type head according to claim 2 shows equipment, which is characterized in that
The first antenna module and second Anneta module are RF receiving and transmission module QM48858.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821299181.2U CN208805616U (en) | 2018-08-13 | 2018-08-13 | Integral type head shows equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821299181.2U CN208805616U (en) | 2018-08-13 | 2018-08-13 | Integral type head shows equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208805616U true CN208805616U (en) | 2019-04-30 |
Family
ID=66231697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821299181.2U Active CN208805616U (en) | 2018-08-13 | 2018-08-13 | Integral type head shows equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208805616U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036708A1 (en) * | 2019-08-26 | 2021-03-04 | 维沃移动通信有限公司 | Antenna module and mobile terminal |
| WO2023034074A1 (en) * | 2021-08-30 | 2023-03-09 | Research Llc Kokanee | Electronic devices with antennas having compound curvature |
| WO2023034039A1 (en) * | 2021-09-02 | 2023-03-09 | Kokanee Research Llc | Antennas having substrate layers with compound curvature |
-
2018
- 2018-08-13 CN CN201821299181.2U patent/CN208805616U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036708A1 (en) * | 2019-08-26 | 2021-03-04 | 维沃移动通信有限公司 | Antenna module and mobile terminal |
| WO2023034074A1 (en) * | 2021-08-30 | 2023-03-09 | Research Llc Kokanee | Electronic devices with antennas having compound curvature |
| WO2023034039A1 (en) * | 2021-09-02 | 2023-03-09 | Kokanee Research Llc | Antennas having substrate layers with compound curvature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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 utility model: Integral type head shows equipment Effective date of registration: 20200522 Granted publication date: 20190430 Pledgee: Bank of China Limited Qingdao hi tech Industrial Park sub branch Pledgor: QINGDAO XIAONIAO KANKAN TECHNOLOGY Co.,Ltd. Registration number: Y2020370010017 |
|
| 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 |
Date of cancellation: 20210630 Granted publication date: 20190430 Pledgee: Bank of China Limited Qingdao hi tech Industrial Park sub branch Pledgor: QINGDAO XIAONIAO KANKAN TECHNOLOGY Co.,Ltd. Registration number: Y2020370010017 |