CN107516766A - A kind of cable outer conductor weldment and antenna - Google Patents
A kind of cable outer conductor weldment and antenna Download PDFInfo
- Publication number
- CN107516766A CN107516766A CN201710567942.1A CN201710567942A CN107516766A CN 107516766 A CN107516766 A CN 107516766A CN 201710567942 A CN201710567942 A CN 201710567942A CN 107516766 A CN107516766 A CN 107516766A
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- outer conductor
- cable
- weldment
- cable outer
- welding
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- 239000004020 conductor Substances 0.000 title claims abstract description 98
- 238000003466 welding Methods 0.000 claims abstract description 72
- 230000007704 transition Effects 0.000 claims abstract description 21
- 230000005855 radiation Effects 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 8
- 238000002955 isolation Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention discloses a kind of cable outer conductor weldment, including feed connection body and cable welding arm；The bottom of the feed connection body is provided with the connecting portion for the evagination for being used for being connected with reflecting plate；The cable welding arm includes buffer part, arc transition portion and weld part, and one end of the buffer part connects body connection with the feed, and the other end of the buffer part is connected by arc transition portion with the weld part；The weld part is provided with the interior concaved circular cambered surface for connection cables outer conductor；The arc transition portion is U-shaped, and the U-shaped opening and the interior concaved circular cambered surface of the weld part towards it is in opposite direction.Accordingly, present invention additionally comprises the antenna of above-mentioned cable outer conductor weldment.The cable outer conductor weldment of the present invention is compact-sized, and ground connection performance is good, and the parameters such as stable standing wave, isolation, third order intermodulation are provided for antenna.
Description
Technical Field
The invention relates to the technical field of mobile communication base station antennas, in particular to a cable outer conductor weldment and an antenna.
Background
At present, a large number of high-frequency and low-frequency radiating elements are arrayed inside a dual-polarized base station antenna. When the radiation unit is installed on the reflecting plate, cables welded on the radiation unit are respectively connected through the power dividing plate and the like to jointly form a feed network. However, in an operating state, the current of the radiating unit also flows through the outer conductor of the cable, so that the current flows through the radiating unit in an unbalanced manner, and the standing wave ratio and the isolation of the antenna are deteriorated. Usually, an outer conductor soldering part is designed, and the outer conductor of the feed cable led out from the radiation unit is soldered to the outer conductor soldering part, so that the circulating current on the outer conductor is led into the reflecting plate to be grounded, thereby playing a role of choking, and improving the standing wave ratio and the isolation degree.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a conventional cable outer conductor weldment, wherein a cable outer conductor 101 is welded on the cable outer conductor weldment; the inventor finds that the traditional cable outer conductor weldment adopts a trapezoidal thin-sheet type structure, has poor grounding performance, and is easy to cause the instability of antenna parameters, and the specific analysis is as follows:
(1) the bottom feed end face has the phenomenon of burr, unevenness in the course of working, leads to the feed end face and the reflecting plate between inseparable abundant contact.
(2) The single plane welding sheet structure makes the welding position of the cable difficult to unify, and the phenomena of cable displacement and insufficient welding of welding spots are easy to occur.
(3) According to the traditional single bending structure, the welding arm of a weldment is excessively concentrated in a bending position under stress, and the welding arm is easily broken by vibration or subjected to angle deviation in the vibration test process.
Disclosure of Invention
The embodiment of the invention aims to provide a cable outer conductor weldment and an antenna, wherein the cable outer conductor weldment is compact in structure, and the stability of parameters such as standing waves, isolation and third-order intermodulation of the antenna is improved.
To achieve the above object, an embodiment of the present invention provides a cable outer conductor weldment, including:
the feed connection body and the cable welding arm; the bottom of the feed connection body is provided with a convex connection part for connecting with the reflecting plate; the cable welding arm comprises a buffering part, an arc transition part and a welding part, one end of the buffering part is connected with the feed connection body, and the other end of the buffering part is connected with the welding part through the arc transition part; the welding part is provided with an inner concave arc surface for connecting the outer conductor of the cable; the arc transition portion is U-shaped, and the U-shaped opening is opposite to the direction faced by the concave arc surface of the welding portion.
Compared with the prior art, the cable outer conductor welding piece disclosed by the embodiment of the invention has the advantages that the connection with the reflecting plate is realized through the arrangement of the convex connecting part, the contact area is reduced, the poor contact caused by burrs and unevenness of the contact surface is improved, the connection of the buffer part and the welding part is realized through the U-shaped arc transition part, the problem of over-concentrated stress is solved, the cable outer conductor is fixed and welded through the concave arc surface, and the problem of poor welding of the cable outer conductor is improved.
Furthermore, the feed connection body is provided with a through hole.
As a further scheme, the reserved through hole can be used for a fastener to penetrate through the feed connection body to be connected with the reflecting plate, so that the outer conductor weldment of the cable can be better fixed on the reflecting plate.
Furthermore, a concave part surrounding the through hole is arranged at the top of the feed connection body.
As a further alternative, the recess can be used to contact the head of the fastener, making the fastener easier to load and making the pressure applied to the cable outer conductor weldment more uniform after the fastener is threaded.
Further, the cable welding arms include two arms respectively connected to opposite ends of the feed connection body through one end of the buffer portion.
Furthermore, the concave arc surface of the welding part is a semi-arc surface.
As a further scheme, the semi-circular arc surface is adopted to facilitate the installation and welding of the outer conductor of the cable under the condition of ensuring the connection effect of the outer conductor of the cable and the welding part.
Further, the included angle of the U-shaped opening of the arc transition part is not more than 60 degrees.
Correspondingly, an embodiment of the present invention further provides an antenna, including the cable outer conductor weldment provided in the above embodiment of the present invention, further including:
the cable outer conductor of the radiation unit is connected with the concave arc surface on the welding part of the cable welding arm of the cable outer conductor welding piece;
and the reflecting plate is connected with a convex connecting part arranged at the bottom of the feed connecting body of the cable outer conductor welding piece.
Compared with the prior art, the antenna disclosed by the embodiment of the invention adopts the cable outer conductor welding piece provided by the embodiment of the invention, the convex connecting part arranged on the feed connecting body of the cable outer conductor welding piece is connected with the reflecting plate, the contact area is reduced, and the problem of poor contact caused by burrs and unevenness of the contact surface is reduced; the cable outer conductor weldment is fully welded with the cable outer conductor through the concave arc surface, so that the problem of poor welding is solved, and the cable welding arm of the cable outer conductor has strong load bearing capacity and lateral rigidity resistance and is not easy to break or deform and twist due to vibration; therefore, the whole antenna can provide stable parameters such as standing waves, isolation, third-order intermodulation and the like for the antenna.
Drawings
FIG. 1 is a schematic structural view of a conventional cable outer conductor weldment;
fig. 2 is a schematic structural diagram of a cable outer conductor weldment according to embodiment 1 of the present invention;
fig. 3 is a structural cross-sectional view of a cable outer conductor weldment provided in embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of an antenna provided in embodiment 2 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2 and 3, fig. 2 is a schematic structural diagram of a cable outer conductor weldment according to embodiment 1 of the present invention; fig. 2 is a sectional view of the present embodiment 1. The cable outer conductor weldment provided by the embodiment 1 comprises a feed connection body 1 and a cable welding arm 2; wherein,
referring to fig. 3, the bottom of the feed connection body 1 is provided with a convex connection part 11 for connecting with the reflection plate; compared with the traditional cable outer conductor weldment shown in fig. 1, the convex connecting part 11 is arranged to be in contact with the reflecting plate, so that the contact area is greatly reduced, the problem that the influence and the reflecting plate are in close contact with each other due to burrs and unevenness of a feed contact surface is favorably solved, and the cable outer conductor weldment is good in grounding performance with the reflecting plate.
The cable welding arm 2 includes a buffer portion 21, a welding portion 22, and an arc transition portion 23, one end of the buffer portion 21 is connected to the feed connection body 1, and the other end of the buffer portion 21 is connected to the welding portion 22 through the arc transition portion 23.
The welding part 22 is provided with an inner concave arc surface for connecting the outer conductor of the cable; stress points can be uniformly distributed on the arc line of the concave arc surface, so that the load bearing capacity is better; realize the location to the cable outer conductor through indent arc surface, and have the arc angle, under the natural gravity condition, soldering tin circulates more easily, and soldering tin is even, is difficult to produce the rosin joint.
In addition, referring to fig. 2, the bottom of the feed connection body 1 is used as a reference line, and the bottom of the welding part 22 of the cable welding arm 2 is suspended, so that when the cable outer conductor weldment is connected with the reflector plate through the bottom of the feed connection body, the welding part 22 of the cable welding arm 2 is not in direct contact with the reflector plate, and the phenomenon that the cable outer conductor weldment is too close to the reflector plate and becomes in a contact and non-contact state is avoided, so that the third-order intermodulation performance of the antenna becomes unstable.
Preferably, the diameter of the concave arc surface is larger than the outer diameter of the thick cable, so that the welding portion 22 can be compatible with the welding of cables with various specifications such as thick cables, thin cables and the like.
The arc transition portion 23 is U-shaped, and the U-shaped opening is opposite to the direction faced by the concave arc surface of the welding portion 22. The connection of the traditional cable outer conductor weldment between the buffering part and the welding part usually adopts a single bending structure, namely a sharp corner is formed, the cable welding arm 2 is excessively concentrated in the bending structure under stress and is easy to break or shift in angle due to vibration, and the U-shaped arc transition part 23 is adopted in the embodiment, so that the connection between the buffering part 21 and the welding part 22 is realized, arc transition is realized, and the cable welding arm 2 is prevented from being broken due to excessively concentrated stress; the lateral stiffness of the cable welding arm 2 is improved, and the distortion of a welding piece of the outer conductor of the cable can be avoided when the reacting force applied by the outer conductor of the cable is too large after the cable is welded.
The feed connection body 1 is provided with a through hole 121, and the through hole 121 penetrates through a convex connection part 11 arranged at the bottom of the feed connection body 1; in particular, the through-holes 121 can be used for the fasteners to pass through the feed connection body 1 and connect with the reflection plate, so that the cable outer conductor weldments are better and more tightly arranged on the reflection plate. In addition, the through hole 121 penetrates through the connecting part 11 at the bottom of the feed connecting body 1, and the contact area between the connecting part 11 and the reflecting plate is reduced, so that the problem of close contact between the connecting part 11 and the reflecting plate due to the influence caused by burrs and unevenness of a feed contact surface is favorably solved, and the grounding performance of the cable outer conductor weldment is improved.
The top of the feed connection body 1 is provided with a recess 12 surrounding the through hole 121. The recess 12 is for face contact with the lower end of the head of the fastener, and the through hole 121 is for the shank of the fastener to pass through the cable outer conductor weldment to connect with the baffle. The recess 12 makes the fastener easier to install, and the ladder-shaped structure of the recess 12 enables the pressure applied to the cable outer conductor weldment after the fastener is screwed in to be more uniform, and further enables the pressure applied to the reflecting plate when the feeder connection body 1 is contacted to be more uniform.
A preferred structure of this embodiment 1 is shown in fig. 2 and 3, where the number of the cable-welding arms 2 is two, and the two arms are connected to the opposite ends of the feed connection body 1 through one end of the buffer portion 21.
Preferably, the concave arc surface of the welding portion 22 is a semicircular arc surface.
In practical design, the angle of the U-shaped opening of the circular arc transition portion 23 is preferably not more than 60 ° and the angle of the U-shaped opening is preferably 45 °. The angle is selected as a preferred angle, and in the specific implementation, other included angle angles are selected based on the design of the symmetrical arc structure of the U-shaped structure, so that the stress can be uniformly distributed in the arc transition portion 23, which is also within the protection scope of the embodiment.
In the detailed description of this embodiment, the orientation description related to the structural description of the cable outer conductor weldment refers to the orientation of the placement mode of the cable outer conductor weldment shown in fig. 2, and when the placement mode of the cable outer conductor weldment is changed, the orientation description related to the structural description of the cable outer conductor weldment according to the embodiment of the present invention is adjusted accordingly.
In specific implementation, the convex connecting part 11 of the cable outer conductor welding piece is used for being connected with the reflecting plate, so that the contact area is reduced, and poor contact caused by burrs and unevenness of a contact surface is improved; the concave arc surface of the welding part 22 is used for connecting and welding the cable outer conductor, so that the cable outer conductor can be well fixed, and the welding effect is good; of (1); the arc transition part 23 realizes arc transition connection of the buffer part 21 and the welding part 22; in addition, a through hole 121 is provided for a fastener to pass through the feed connection body 1 to be connected with the reflection plate, so that the feed connection body 1 is tightly contacted with the reflection plate; the concave part 12 arranged on the top of the feeding connecting body 1 is beneficial to the installation of the fastener and enables the pressure applied by the fastener to the feeding connecting body 1 to be uniform.
This embodiment has wholly improved the ground connection performance of cable outer conductor weldment to can provide stable standing wave, isolation and third order intermodulation parameter for the antenna.
The schematic structural diagram of an antenna provided in embodiment 2 of the present invention includes the cable outer conductor weldment provided in embodiment 1 of the present invention, and the specific structure is described in embodiment 1, which is not described herein again. In addition, the present embodiment 2 further includes:
the cable outer conductor 101 of the radiation unit is connected with the concave arc surface on the welding part 22 of the cable welding arm 2 of the cable outer conductor weldment; the cable outer conductor 101 is fixed in the concave arc surface, and the welding is inseparabler, and the stress point can evenly distributed to the arc line of concave arc surface on, makes cable welding arm 2 bear the weight of cable outer conductor 101 better, avoids the crooked problem of deformation that is brought by the vibration.
And the reflecting plate is connected with a convex connecting part 11 arranged at the bottom of the feed connecting body 1 of the cable outer conductor welding piece. Generally, the contact surface of the bottom of the feed connection body 1 of the cable outer conductor weldment for contacting the reflector plate is often burred and uneven due to process reasons, and the close contact with the reflector plate is influenced. In this embodiment, the feed connection body 1 adopts the convex connection portion 11, so that the contact area contacting with the reflection plate is greatly reduced, the interference influence caused by burrs and unevenness is reduced, the cable outer conductor weldment is closely contacted with the reflection plate, the grounding performance is improved, and the third-order intermodulation performance of the antenna is improved.
Further, the embodiment further comprises a fastener, the head of the fastener contacts with the concave part 12 arranged on the top of the feed connection body 1 of the cable outer conductor weldment, and the handle of the fastener passes through the through hole 121 of the cable outer conductor weldment to be connected with the reflector plate, so that the cable outer conductor weldment is better fixed on the reflector plate, and better grounding performance is provided.
Specifically, referring to fig. 2, the cable outer conductor 101 is welded to the concave arc surface of the welding portion 22 of the cable outer conductor weldment, and the specific structures of the radiation unit, the reflection plate and the fastening member are not shown in fig. 2.
In specific implementation, the connecting part 11 of the cable outer conductor weldment is connected with the reflecting plate and is connected to the reflecting plate through the through hole 121 of the cable outer conductor weldment by a fastener, so that the cable outer conductor weldment is better and more tightly fixed on the reflecting plate; the cable outer conductor 101 led out from the radiation unit is connected with the welding part 22 of the cable outer conductor weldment, and the cable outer conductor 101 is fixed on the concave arc surface of the welding part 22; therefore, the current of the radiation unit flows out through the cable outer conductor 101, and then the current of the cable outer conductor 101 is led into the reflecting plate through the cable outer conductor weldment, so that the choking effect is achieved, and the standing wave ratio and the isolation degree are improved.
In this embodiment 2, the cable outer conductor weldment is in close contact with the reflector plate, the cable outer conductor weldment is sufficiently welded to the cable outer conductor 101, and the cable welding arm 2 has high load bearing capacity and high lateral stiffness, and can provide stable parameters such as standing waves, isolation and third-order intermodulation for the antenna.
The embodiment has compact structure and good grounding performance, and can provide stable parameters such as standing wave, isolation, third-order intermodulation and the like.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A cable outer conductor weldment characterized by comprising a feed connection body and a cable weld arm; the bottom of the feed connection body is provided with a convex connection part for connecting with the reflecting plate; the cable welding arm comprises a buffering part, an arc transition part and a welding part, one end of the buffering part is connected with the feed connection body, and the other end of the buffering part is connected with the welding part through the arc transition part; the welding part is provided with an inner concave arc surface for connecting the outer conductor of the cable; the arc transition portion is U-shaped, and the U-shaped opening is opposite to the direction faced by the concave arc surface of the welding portion.
2. The cable outer conductor weldment of claim 1, wherein the feed connection bodies are provided with through-holes.
3. The cable outer conductor weldment of claim 2, wherein the top of the feed connection body is provided with a recess surrounding the through-hole.
4. The cable outer conductor weldment of claim 1, wherein the cable weld arms include two that are connected to opposite ends of the feed connection body by one end of the buffer, respectively.
5. The cable outer conductor weldment of claim 1, wherein the concave circular-arc surface of the weld is a semi-circular-arc surface.
6. The cable outer conductor weldment of claim 1, wherein the included angle of the U-shaped openings of the radiused transition portions is no more than 60 degrees.
7. An antenna comprising the cable outer conductor weldment of any one of claims 1 to 6, further comprising:
the cable outer conductor of the radiation unit is connected with the concave arc surface on the welding part of the cable welding arm of the cable outer conductor welding piece;
and the reflecting plate is connected with a convex connecting part arranged at the bottom of the feed connecting body of the cable outer conductor welding piece.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567942.1A CN107516766A (en) | 2017-07-13 | 2017-07-13 | A kind of cable outer conductor weldment and antenna |
| PCT/CN2018/093816 WO2019011136A1 (en) | 2017-07-13 | 2018-06-29 | Cable outer conductor weldment and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567942.1A CN107516766A (en) | 2017-07-13 | 2017-07-13 | A kind of cable outer conductor weldment and antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107516766A true CN107516766A (en) | 2017-12-26 |
Family
ID=60722278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710567942.1A Pending CN107516766A (en) | 2017-07-13 | 2017-07-13 | A kind of cable outer conductor weldment and antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107516766A (en) |
| WO (1) | WO2019011136A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019011136A1 (en) * | 2017-07-13 | 2019-01-17 | 广州杰赛科技股份有限公司 | Cable outer conductor weldment and antenna |
| CN111697298A (en) * | 2020-07-27 | 2020-09-22 | 浙江省东阳市东磁诚基电子有限公司 | Shell suitable for radio frequency device and manufacturing method thereof |
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| CN207282716U (en) * | 2017-07-13 | 2018-04-27 | 广州杰赛科技股份有限公司 | A kind of cable weldment and antenna |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019011136A1 (en) * | 2017-07-13 | 2019-01-17 | 广州杰赛科技股份有限公司 | Cable outer conductor weldment and antenna |
| CN111697298A (en) * | 2020-07-27 | 2020-09-22 | 浙江省东阳市东磁诚基电子有限公司 | Shell suitable for radio frequency device and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019011136A1 (en) | 2019-01-17 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171226 |
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| RJ01 | Rejection of invention patent application after publication |