CN204229915U - Multi-core cable - Google Patents
Multi-core cable Download PDFInfo
- Publication number
- CN204229915U CN204229915U CN201420569142.5U CN201420569142U CN204229915U CN 204229915 U CN204229915 U CN 204229915U CN 201420569142 U CN201420569142 U CN 201420569142U CN 204229915 U CN204229915 U CN 204229915U
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- Prior art keywords
- coaxial
- pairs
- insulated electric
- cords
- core cable
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Abstract
The utility model provides a kind of multi-core cable, and it has many coaxial cords and Duo Gen insulated electric conductor, can realize high speed transmission of signals, and the crosstalk between coaxial cord pair can be made to reduce.Multi-core cable (10) possesses: at least two pairs of coaxial cords be made up of the coaxial cord (11) of 2 one group are to (11A, 11B); Many insulated electric conductors (21); And sheath (30), it covers at least two pairs of coaxial cords to (11A, 11B) and many insulated electric conductors (21) around.In the cross section vertical with the length direction of cable (10), between two pairs of coaxial cords are to (11A, 11B), be configured with many insulated electric conductors (21) or other filler (31,32), the two pairs of coaxial cords same to (11A, 11B) be circumferentially separated from one anotherly more than or equal to the distance of 1/3 of the external diameter of coaxial cord (11) and configure thus.
Description
Technical field
The utility model relates to the multi-core cable with many coaxial cords and Duo Gen insulated electric conductor.
Background technology
As multi-core cable, the known structure that coaxial cord and insulated electric conductor mix and configure in cable (for example, referring to patent documentation 1).
Patent documentation 1: Japanese Unexamined Patent Publication 2001-006443 publication
In above-mentioned such multi-core cable, require Signal transmissions more at a high speed.
Utility model content
The purpose of this utility model is to provide a kind of multi-core cable, and it has many coaxial cords and Duo Gen insulated electric conductor, and this multi-core cable can realize high speed transmission of signals, and can make coaxial cord between crosstalk reduce.
Multi-core cable of the present utility model possesses:
At least two pairs of coaxial cords pair be made up of the coaxial cord of 2 one group;
Many insulated electric conductors; And
Sheath, its cover described at least two pairs of coaxial cords to described many insulated electric conductors around,
In the cross section vertical with the length direction of cable, described at least two pairs of coaxial cords between be configured with described many insulated electric conductors or other filler, at least two pairs of coaxial cords thus are circumferentially separated from one anotherly more than or equal to the distance of 1/3 of the external diameter of described coaxial cord to same and configure.
Beneficial effect
According to the utility model, can provide a kind of multi-core cable, this multi-core cable can realize high speed transmission of signals, and can reduce coaxial cord between crosstalk.
Accompanying drawing explanation
Fig. 1 is the profile of an example of the multi-core cable represented involved by execution mode of the present utility model.
Fig. 2 is the oblique view of an example of the bulk of the multi-core cable representing pie graph 1.
The explanation of label
10: multi-core cable, 11: coaxial cord, 11A, 11B: coaxial cord pair, 12: center conductor, 13: insulator, 14: external conductor, 15: crust, 21: insulated electric conductor, 22: conductor, 23: crust, 30: crust (example of sheath), 31: stretching resistance fiber (example of filler), 32: filler (example of filler), 41: pressing winder, 42: screen, M: bulk, P: boundling distance, D: boundling external diameter.
Embodiment
First, list the content of the execution mode of the application's utility model and be described.
Multi-core cable involved by the execution mode of the application's utility model,
(1) possess:
At least two pairs of coaxial cords pair be made up of the coaxial cord of 2 one group;
Many insulated electric conductors; And
Sheath, its cover described at least two pairs of coaxial cords to described many insulated electric conductors around,
In the cross section vertical with the length direction of cable, described at least two pairs of coaxial cords between be configured with described many insulated electric conductors or other filler, at least two pairs of coaxial cords thus are circumferentially separated from one anotherly more than or equal to the distance of 1/3 of the external diameter of described coaxial cord to same and configure.
According to this structure, owing to comprising two pairs of coaxial cords pair, therefore, it is possible to realize high speed transmission of signals.In addition, the two pairs of coaxial cords to the distance configuration being separated 1/3 of the external diameter being more than or equal to coaxial cord each other by many insulated electric conductors or filler, therefore, it is possible to make the crosstalk between coaxial cord pair reduce.
(2) preferably described at least two pairs of coaxial cords described same circumferentially relative to the position of cable centerline symmetry to being configured in each other.
According to this structure, two pairs of coaxial cords can be interfered electricity each other and suppress for minimum and keep transmission characteristic.
(3) 2 coaxial cords preferably forming described coaxial cord right are not stranded each other, described at least two pairs of coaxial cords to described many insulated electric conductors or other filler described disposable stranded.
According to this structure, can crosstalk be made more reliably to reduce, and compared with existing multi-core cable, high flexibility and bendability can be obtained.
(4) preferably by disposable stranded described at least two pairs of coaxial cords to the boundling distance of the bulk formed with described many insulated electric conductors or other filler described, be more than or equal to 15 times of the boundling external diameter of described bulk and be less than or equal to 30 times of this boundling external diameter.
If boundling distance is less than 15 times of boundling external diameter, be then difficult to obtain the effect that crosstalk is reduced, if boundling distance is greater than 30 times of boundling external diameter, then the cosmetic damage of cable.
(5) the pressing winder of preferably carrying out disposable winding to whole electric wire is electroconductive resin band.
[details of the execution mode of the application's utility model]
Hereinafter, with reference to the accompanying drawings of the example of the multi-core cable involved by the utility model.
As shown in Figure 1, the multi-core cable 10 involved by present embodiment has in the inner side of outermost layer and crust 30 (example of sheath): the many coaxial cords 11 of high speed transmission of signals; And low speed signal transmission is used or the many insulated electric conductors 21 of electric power supply.
In order to be applicable to differential transmission, this multi-core cable 10 contains coaxial cord 11 in the mode of 2 one group.As the even-even coaxial cord pair including the paired coaxial cord 11 of even-even in the multi-core cable 10 of this example, contain coaxial cord to 11A and coaxial cord to this two couple of 11B.Coaxial cord 11 paired separately each other (such as coaxial cord to the coaxial cord 11 of 11A each other) preferably closely configure.In addition, the coaxial cord 11 forming a pair is preferably not stranded each other.
Each coaxial cord 11 is following structure, that is, cover center conductor 12 by insulator 13, at the periphery configuring external conductor 14 of insulator 13, and the outer side covers of this external conductor 14 is protected by crust 15.In the present embodiment, as the parts of high-speed transfer, use the coaxial cord 11 of high-rate digital transmission carrying out being more than or equal to 5Gbps, such as 10Gbps.About this coaxial cord 11, preferably thin than No. 30, AWG (American Wire Gauge), in this example, such as, use the thin footpath coaxial cord of No. AWG30 ~ No. 34.
About center conductor 12, such as, use the stranded twisted wire having many silver-plated annealed copper wires, silver-plated copper alloy line, tin annealed copper wire, Tinplated copper alloy line.In this example, as the center conductor 12 of the coaxial cord 11 of No. AWG34, formation, such as, the stranded twisted wire having the silver-plated annealed copper wire of 7 external diameter 0.064mm can be used.The external diameter of the center conductor 12 be made up of twisted wire is such as 0.19mm.
Insulator 13 such as uses the fluororesin be made up of tetrafluoraoethylene-hexafluoropropylene copolymer (FEP), and insulator 13 is formed by carrying out extrusion modling to this fluororesin.The external diameter of insulator 13 is such as 0.47mm.
External conductor 14 is such as formed by the tin annealed copper wire of external diameter 0.05mm being configured in the periphery of insulator 13 in the mode of screw winding.The winding angle (with the central shaft angulation of coaxial cord 11) forming the tin annealed copper wire of external conductor 14 is such as 5 ~ 10 degree.
In addition, crust 15 is such as by being wound on the periphery of external conductor 14 by the resin strip be made up of PETG (PET) and being formed.The external diameter of crust 15 is such as 0.60mm.
In addition, in multi-core cable 10, contain many (being 4 here) insulated electric conductors 21.The radical of the insulated electric conductor 21 that multi-core cable 10 comprises is preferably from 2 to about 6.
Insulated electric conductor 21 is all the electric wires utilizing crust 23 to be covered by conductor 22.
When insulated electric conductor 21 is used for low speed signal transmission, conductor 22 such as has the twisted wire of the tin annealed copper wire of 7 external diameter 0.10mm to be formed by stranded.The external diameter of the conductor 22 formed by twisted wire is such as 0.30mm.In addition, about the material of crust 23 now, preferably use the fluororesin such as FEP, the external diameter of crust 23 is such as 0.62mm.
In addition, when insulated electric conductor 21 being used for electric power supply, conductor 22 such as has the twisted wire of the tin annealed copper wire of 19 external diameter 0.102mm to be formed by stranded, and the external diameter of conductor 22 is such as 0.51mm.In addition, about the material of crust 23 now, the fluororesin such as the perfluoroalkoxy resin (PFA) preferably using thermal endurance, chemical resistance, Abherent, self lubricity etc. excellent, the external diameter of crust 23 is such as 0.65mm.
At at least 2 pairs of coaxial cords that there is insulated electric conductor 21 and be made up of the coaxial cord 11 of 2 one group in the multi-core cable 10 of 11A, 11B, in the cross section (cross section of Fig. 1) vertical with the length direction of cable, two pairs of coaxial cords configure at same circumferentially certain distance separated from one another 11A, 11B.Further, at the two pairs of coaxial cords configured by this way to being configured with many insulated electric conductors 21 between 11A, 11B.Such as, two pairs of coaxial cords are more than or equal to the distance of 1/3 (being such as more than or equal to 0.2mm in this example) of the external diameter of coaxial cord 11 to 11A, 11B are separated from one another and configure.When two pairs of coaxial cords to 11A, 11B separated from one another be less than the distance of 1/3 of the external diameter of coaxial cord 11 and configure, each other impact and crosstalk can increase.
Coaxial cord is preferably arranged to each other to 11A, 11B, in the cross section of Fig. 1, relative to center during observation being the multi-core cable 10 of circle, is in symmetrical position as far as possible.Suppress for minimum thereby, it is possible to coaxial cord is interfered 11A, 11B electricity each other.Insulated electric conductor 21 can not be configured to 11 ground and be separated.Such as, when insulated electric conductor 21 is 4, be configured in cable centerline by 1, remaining 3 can be configured in be positioned at same position circumferentially with coaxial cord to 11A, 11B in cable cross-sections.In addition, at these coaxial cords in the gap between 11A, 11B and insulated electric conductor 21, be configured with the stretching resistance fiber 31 (example of other filler) be made up of many aromatic polyamide fibres, the filler 32 (example of other filler) be made up of artificial silk etc.
In the present embodiment, form each coaxial cord not stranded each other to the coaxial cord 11 of 11A, 11B, but the two pairs of coaxial cords are to 11A, 11B and Duo Gen insulated electric conductor 21 disposable spirally stranded and boundling together with stretching resistance fiber 31 etc.Its reason is, if form coaxial cord pair by the one-tenth strand mode that coaxial cord is stranded each other as prior art, then the crosstalk between coaxial cord 11 is easy to increase.
By the disposable stranded and coaxial cord of boundling, bulk M (with reference to Fig. 2) will be called to 11A, 11B and Duo Gen insulated electric conductor 21 as described above.Bulk M is formed in the stranded mode of layer.
Around the bulk M formed in the stranded mode of layer, be wound with pressing winder 41, thus, bulk M is tied and makes the configuration of coaxial cord to 11A, 11B and insulated electric conductor 21 can not be at random.
In addition, across pressing winder 41, conductively-closed layer 42 covers bulk M around it.Further, the more outer circumferential side of this screen 42 is covered by crust 30.
About pressing winder 41, such as, use electroconductive resin band.The resin strip forming this electroconductive resin band is formed by the polyester resin such as fluorine-type resin, PETG (PET) resin or polyethylene (PE) etc. such as excellent polytetrafluoroethylene (PTFE) resins such as thermal endurance, mar proof.In order to make the electroconductive resin band used as this pressing winder 41 have conductivity, in the resin of formation resin strip, be mixed into the conductive materials such as charcoal in the mode of dispersion.This pressing winder 41 is formed as having the membranaceous of specific thickness.The coiling direction of pressing winder 41, can be with by once stranded mode by direction identical with direction of lay during insulated electric conductor 21 boundling to 11A, 11B for coaxial cord, also can be the direction contrary with it.
Screen 42 such as weaves the tin annealed copper wire of external diameter 0.05mm and forms.Utilize screen 42, due to noise can not be applied to from coaxial cord to the signal that 11A, 11B carry, therefore, that realize the mistake not having the impact because of noise to cause, correct high speed transmission of signals.
In addition, crust 30 is such as formed by the polyvinyl chloride (PVC), polyolefin resin etc. of thickness 0.50mm.
As shown in this example, have two pairs of coaxial cords of the coaxial cord 11 comprising 4 No. AWG34 in the multi-core cable 10 of this example of 11A, 11B, the external diameter of crust 30 is such as 3.4mm ± 0.2mm.In addition, the external diameter using the multi-core cable 10 of the coaxial cord 11 (external diameter forming the silver-plated annealed copper wire of center conductor 12 is such as 0.08mm) of No. AWG32 is such as 3.6mm ± 0.2mm, uses the external diameter of the multi-core cable 10 of the coaxial cord 11 (external diameter forming the silver-plated annealed copper wire of center conductor 12 is such as 0.102mm) of No. AWG30 to be such as 4.1mm ± 0.2mm.
Two pairs of coaxial cords shown in Figure 2 are to the oblique view of the bulk of 11A, 11B and insulated electric conductor 21.
As shown in Figure 2, the two pairs of coaxial cords to 11A, 11B and insulated electric conductor 21 by together with (diagram in Fig. 2 are omitted) such as stretching resistance fibers 31 with disposable stranded mode boundling, and be formed as bulk M.In this bulk M, stranded distance (boundling distance) P of bulk M is set greater than or equals 15 times of external diameter (boundling external diameter) D of bulk M and is less than or equal to 30 times of this outer diameter D.Herein, apart from P, boundling represents that 1 wire in coaxial cord 11 and insulated electric conductor 21 revolves the distance of period advance of turning around along the axis of bulk M.Boundling outer diameter D represent two pairs of coaxial cords to 11A, 11B and insulated electric conductor 21 disposable stranded time the external diameter of bulk M.If boundling is less than 15 times of boundling outer diameter D apart from P, be then difficult to obtain the effect that two pairs of coaxial cords are reduced the crosstalk between 11A, 11B.If boundling is larger than 30 times of boundling outer diameter D apart from P, then impair the outward appearance of multi-core cable 10.Specifically, such as, when boundling outer diameter D is more than or equal to 2mm and is less than or equal to 4mm, boundling is preferably greater than or equal to 30mm apart from P and is less than or equal to 120mm, is namely more than or equal to 15 times of this boundling outer diameter D and is less than or equal to its 30 times.
In order to manufacture the multi-core cable 10 of the present embodiment formed in the above described manner, first, at the cross-section center portion of cable configuration at least 1 insulated electric conductor 21.Further, clip this insulated electric conductor 21 and two pairs of coaxial cords are configured in 11A, 11B circumferentially same.Thereby, it is possible to make two pairs of coaxial cords be more than or equal to the distance of 1/3 of the external diameter of coaxial cord 11 to 11A, 11B are separated from one another and configure.Then, residue 3 insulated electric conductors 21 are configured in coaxial cord, same position are circumferentially in 11A, 11B.Then, at coaxial cord to the gap configuration stretching resistance fiber 31 between 11A, 11B and insulated electric conductor 21 or filler 32.Then, make coaxial cord to 11A, 11B and insulated electric conductor 21 disposable stranded and form bulk M.Further, around bulk M, winding pressing winder 41, forms screen 42 in the periphery of this pressing winder 41 further.Finally, extrude in the periphery of this screen 42 and cover crust 30.
As described above, multi-core cable 10 according to the present embodiment, by comprising coaxial cord to 11A, 11B in cable, can carry out the high speed transmission of signals of such as 10Gbps.In addition, two pairs of coaxial cords 11A, 11B are separated each other to 1/3 distance being more than or equal to the external diameter of coaxial cord 11 across insulated electric conductor 21 configure, therefore, it is possible to make coaxial cord reduce the crosstalk between 11A, 11B.
In addition, multi-core cable 10 according to the present embodiment, is configured to two pairs of coaxial cords and is in 11A, 11B same circumferentially relative to the position of cable centerline symmetry each other.Therefore, it is possible to coaxial cord is suppressed for minimum and keep transmission characteristic 11A, 11B interference each other.
In addition, multi-core cable 10 according to the present embodiment, form coaxial cord not stranded each other to 2 of 11A, 11B coaxial cords 11, and coaxial cord is disposable stranded to 11A, 11B and Duo Gen insulated electric conductor 21.Thus, coaxial cord can be reliably made to reduce the crosstalk between 11A, 11B further, and compared with the multi-core cable right with comprising the coaxial cord that formed in the one-tenth strand mode that 2 coaxial cords are stranded each other as prior art, higher flexibility and bendability can be obtained.
And, multi-core cable 10 according to the present embodiment, is more than or equal to 15 times of the boundling outer diameter D of bulk M and be less than or equal to 30 times of this boundling outer diameter D to the boundling of the bulk M that 11A, 11B and Duo Gen insulated electric conductor 21 is formed apart from P by disposable stranded coaxial cord.Thereby, it is possible to do not damage the outward appearance of multi-core cable 19 and make coaxial cord reduce the crosstalk between 11A, 11B fully.
[embodiment]
The multi-core cable shown in Fig. 1 is utilized to carry out evaluation test to the crosstalk between coaxial cord pair.
On the other hand, as comparing rate, use two pairs of coaxial cords to the multi-core cable configured close to each other, similarly evaluation test is carried out to the crosstalk between coaxial cord pair.
Its result, in an embodiment, the crosstalk near frequency 10Ghz is ﹣ 50 ~ ﹣ about 80dB.On the other hand, in a comparative example, the crosstalk near frequency 10Ghz is ﹣ 30 ~ ﹣ about 50dB.Identifiable like this, by using the multi-core cable involved by above-mentioned execution mode, the crosstalk between coaxial cord pair can be reduced.
Above, in detail and with reference to specific execution mode, the utility model is illustrated, but for a person skilled in the art, obviously can carry out various change or correction under the prerequisite not departing from spirit of the present utility model, scope.In addition, the quantity, position, shape etc. of the structure member of above-mentioned explanation are not limited to above-mentioned execution mode, variable more suitable quantity, position, shape etc. when implementing of the present invention.
Coaxial cord in the multi-core cable 10 of above-mentioned execution mode is not limited to present embodiment to the radical of 11A, 11B and insulated electric conductor 21, configuration.Also can be configured to comprise three to above coaxial cord pair in multi-core cable.
In addition, in the above-described embodiment, although be configured to make coaxial cord separated from one another to 11A, 11B at coaxial cord to configuring insulated electric conductor 21 between 11A, 11B, this example is not limited to.
Such as, also can be configured to, substitute insulated electric conductor 21 and configure stretching resistance fiber 31 or filler 32 (example of filler) makes coaxial cord to 11A, 11B certain distance separated from one another.
Claims (5)
1. a multi-core cable, is characterized in that,
Possess:
At least two pairs of coaxial cords pair be made up of the coaxial cord of 2 one group;
Many insulated electric conductors; And
Sheath, its cover described at least two pairs of coaxial cords to described many insulated electric conductors around,
In the cross section vertical with the length direction of cable, described at least two pairs of coaxial cords between be configured with described many insulated electric conductors or other filler, at least two pairs of coaxial cords thus are circumferentially separated from one anotherly more than or equal to the distance of 1/3 of the external diameter of described coaxial cord to same and configure.
2. multi-core cable according to claim 1, is characterized in that,
Described at least two pairs of coaxial cords are described same circumferentially relative to the position of cable centerline symmetry to being configured in each other.
3. multi-core cable according to claim 2, is characterized in that,
2 coaxial cords forming described coaxial cord right are not stranded each other, described at least two pairs of coaxial cords to described many insulated electric conductors or other filler described disposable stranded.
4. multi-core cable according to claim 3, is characterized in that,
By disposable stranded described at least two pairs of coaxial cords to the boundling distance of the bulk formed with described many insulated electric conductors or other filler described, be more than or equal to 15 times of the boundling external diameter of described bulk and be less than or equal to 30 times of this boundling external diameter.
5. multi-core cable according to claim 1, is characterized in that,
The pressing winder of whole electric wire being carried out to disposable winding is electroconductive resin band.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-207726 | 2013-10-02 | ||
| JP2013207726A JP5870979B2 (en) | 2013-10-02 | 2013-10-02 | Multi-core cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204229915U true CN204229915U (en) | 2015-03-25 |
Family
ID=52927982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420569142.5U Expired - Fee Related CN204229915U (en) | 2013-10-02 | 2014-09-29 | Multi-core cable |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5870979B2 (en) |
| CN (1) | CN204229915U (en) |
| TW (1) | TWM498949U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551678A (en) * | 2015-12-26 | 2016-05-04 | 惠州乐庭电子线缆有限公司 | Coaxial structure data line |
| CN108461202A (en) * | 2017-02-22 | 2018-08-28 | 住友电气工业株式会社 | Multicore cable |
| CN111667942A (en) * | 2019-03-07 | 2020-09-15 | 日立金属株式会社 | Composite cable and composite wire harness |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10043599B2 (en) * | 2015-04-24 | 2018-08-07 | Sumitomo Electric Industries, Ltd. | Multi-core cable |
| JP2017010707A (en) * | 2015-06-19 | 2017-01-12 | 住友電気工業株式会社 | Signal cable for differential transmission |
| JP6819611B2 (en) * | 2016-06-02 | 2021-01-27 | 住友電気工業株式会社 | Multi-core cable for vehicles |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3918643B2 (en) * | 2002-06-07 | 2007-05-23 | 日立電線株式会社 | Extra fine multi-core cable |
| JP2012146409A (en) * | 2011-01-07 | 2012-08-02 | Sumitomo Electric Ind Ltd | Multicore signal cable and method of manufacturing the same |
| WO2012105142A1 (en) * | 2011-01-31 | 2012-08-09 | オリンパスメディカルシステムズ株式会社 | Endoscope signal cable |
| JP5276224B2 (en) * | 2011-03-04 | 2013-08-28 | 株式会社潤工社 | Transmission cable, multi-core transmission cable, and signal transmission method |
| JP5825270B2 (en) * | 2012-01-25 | 2015-12-02 | 住友電気工業株式会社 | Multi-core cable |
| JP2013171672A (en) * | 2012-02-20 | 2013-09-02 | Junkosha Co Ltd | Coaxial multicore cable |
-
2013
- 2013-10-02 JP JP2013207726A patent/JP5870979B2/en not_active Expired - Fee Related
-
2014
- 2014-09-29 CN CN201420569142.5U patent/CN204229915U/en not_active Expired - Fee Related
- 2014-10-01 TW TW103217422U patent/TWM498949U/en not_active IP Right Cessation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551678A (en) * | 2015-12-26 | 2016-05-04 | 惠州乐庭电子线缆有限公司 | Coaxial structure data line |
| CN108461202A (en) * | 2017-02-22 | 2018-08-28 | 住友电气工业株式会社 | Multicore cable |
| CN108461202B (en) * | 2017-02-22 | 2020-11-10 | 住友电气工业株式会社 | Multi-core cable |
| CN111667942A (en) * | 2019-03-07 | 2020-09-15 | 日立金属株式会社 | Composite cable and composite wire harness |
| CN111667942B (en) * | 2019-03-07 | 2024-01-09 | 株式会社博迈立铖 | Composite cable and composite wire harness |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM498949U (en) | 2015-04-11 |
| JP2015072787A (en) | 2015-04-16 |
| JP5870979B2 (en) | 2016-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20200929 |