CN107681233A - Phase shifter - Google Patents
Phase shifter Download PDFInfo
- Publication number
- CN107681233A CN107681233A CN201711065329.6A CN201711065329A CN107681233A CN 107681233 A CN107681233 A CN 107681233A CN 201711065329 A CN201711065329 A CN 201711065329A CN 107681233 A CN107681233 A CN 107681233A
- Authority
- CN
- China
- Prior art keywords
- cavity
- sub
- phase shifter
- cavitys
- neighboring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to mobile communication radio-frequency devices technical field, and in particular to a kind of phase shifter, the phase shifter include cavity, the feeding network being placed in cavity, the medium element that is placed in cavity and can be moved along a straight line with respect to cavity.Wherein, the cavity is spliced to form by least two sub- cavitys along longitudinally, and is insulated between two neighboring sub- cavity.The present invention by the long cavity of phase shifter by being divided into the shorter sub- cavity of multiple length, the cavity of phase shifter is spliced to form by more sub- cavitys again, reduce the integrally formed difficulty of processing of cavity, improve the electroplating quality of cavity, burr when being easy to remove cavity processing, the process quality issue of cavity is avoided to influence the intermodulation index of phase shifter, so as to lift the performance of phase shifter.
Description
【Technical field】
The present invention relates to mobile communication radio-frequency devices technical field, and in particular to a kind of phase shifter.
【Background technology】
In mobile communications network covering, it is one of key equipment of overlay network that electricity, which adjusts antenna for base station, and phase shifter
It is the core component that electricity adjusts antenna for base station, the quality of phase shifter performance directly determines electrical tilt antenna performance, and then has influence on net
The covering quality of network, therefore importance of the phase shifter in mobile base station antenna field is self-evident.It is general with multifrequency antenna
And the raising required with operator antenna performance, antenna have turned into the trend of a development using multiport phase shifter.
In the prior art, multiport phase shifter mainly uses dielectric phase shifter, generally comprises an overlength cavity, transmission network
Network and phase-shift network.However, existing multiport phase shifter is primarily present problems with：Cavity would generally use plating to solve welding
Problem, but long cavity due to the oversize electroplating quality in inner chamber it is difficult to ensure that, if plating is bad, phase shifter performance, same duration can be influenceed
It is also big that cavity is integrally formed difficulty of processing；Long cavity burr in processing is difficult to clean off, and it is bad to easily cause phase shifter intermodulation, very
To the risk for having short circuit.
【The content of the invention】
It is an object of the invention to provide a kind of phase shifter, is influenceed for solving phase shifter because of long be difficult to of cavity
The problem of phase shifter performance.
To realize the purpose, the present invention adopts the following technical scheme that：
A kind of phase shifter, including cavity, be placed in cavity feeding network, be placed in cavity and can be transported with respect to cavity straight line
Dynamic medium element, wherein, the cavity is spliced to form by least two sub- cavitys along longitudinally, and two neighboring sub- chamber
Insulated between body.
Specifically, interfixed splicing between the two neighboring sub- cavity by connecting medium.
Preferably, the connection medium is for by the two neighboring sub- articulate media connections of cavity；Adjacent two
The relative one end of the individual sub- cavity is provided with perforate, and media connections correspond to the perforate and are provided with grab, the grab difference
Fastened with the perforate on the two neighboring sub- cavity with the adjacent two sub- cavitys of fixation.
Optionally, the connection medium is metal glue, and two neighboring sub- cavity is interfixed splicing by metal-to-metal adhesive water.
Preferably, dielectric is provided between the two neighboring sub- cavity mutually spliced so that between two neighboring sub- cavity
Insulation.
Preferably, there is gap between the two neighboring sub- cavity mutually spliced.
Preferably, the feeding network includes at least two sub- feeding networks, and at least two sub- feeding network is corresponding
It is placed in multiple sub- cavitys, and the two neighboring sub- feeding network is electrically connected to form the feeding network and run through
In the cavity formed by least two sub- cavitys.
Preferably, the medium element includes at least two sub- medium elements, and at least two sub- medium element is corresponding
It is placed in multiple sub- cavitys, and the two neighboring sub- medium element forms the medium element by snapping and penetrated
In in the cavity formed by least two sub- cavitys.
Specifically, the feeding network is included the circuit with phase shift function formed based on pcb board printing or by metal
The circuit that conductor forms according to phase-shift circuit function.
Specifically, the lengthwise cavity that the sub- cavity is formed in one.
Compared with prior art, the present invention possesses following advantage：
1. the present invention is by the integrally formed long cavity of phase shifter by being divided into the shorter sub- cavity of multiple length to be molded, then
The cavity of phase shifter is spliced to form by more sub- cavitys, the shorter cavity of length reduces the integrally formed difficulty of processing of cavity,
The electroplating quality of cavity is improved, burr when being easy to remove cavity processing, avoiding the process quality issue of cavity influences phase shifter
Intermodulation index, so as to lift the performance of phase shifter.
2. more sub- cavitys of the present invention carry out being spliced to form phase shift by way of media connections or the bonding of metal glue
The cavity of device, and the gap for making to retain one fixed width between the two neighboring sub- cavity of interconnection to be to ensure to insulate, so as to keep away
Exempt from the direct contact between sub- cavity and influence the intermodulation index of phase shifter, and then lift the performance of phase shifter.
3. the feeding network and medium element of the phase shifter of the present invention are again divided into more sub- feeding networks and sub- medium member
Part, the feeding network and medium element to be formed and run through in phaser cavity are then attached again, so as to beneficial to phase shifter
Batch production.
Obviously, the above-mentioned description about advantage of the present invention is recapitulative, it is more the advantages of description will be embodied in it is follow-up
During embodiment discloses, and, the content that those skilled in the art can also be disclosed reasonably finds its of the present invention
His plurality of advantages.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
【Brief description of the drawings】
Fig. 1 is a kind of stereogram of embodiment of phase shifter of the present invention；
Fig. 2 is the exploded view of Fig. 1 phase shifter；
Fig. 3 be Fig. 2 shown in phase shifter in A positions enlarged drawing；
Fig. 4 is a kind of stereogram of embodiment of present media connector；
Fig. 5 is the front view of Fig. 4 media connections；
Fig. 6 is the top view of Fig. 4 media connections；
Fig. 7 is the side view of Fig. 4 media connections；
Fig. 8 is the stereogram of another embodiment of phase shifter of the present invention；
Fig. 9 is the exploded view of Fig. 8 phase shifter；
Figure 10 is the stereogram of the another embodiment of phase shifter of the present invention；
Figure 11 is the enlarged drawing at the B positions of Figure 10 phase shifter.
【Embodiment】
The present invention is further described with exemplary embodiment below in conjunction with the accompanying drawings, identical label wherein in accompanying drawing
All refer to identical part.In addition, if it is known that the detailed description of technology is for showing the invention is characterized in that unnecessary
, then omitted.
The phase shifter of the present invention, including feeding network, medium element and spliced by least two sub- cavitys along longitudinally
The cavity of formation, the feeding network is with the medium element in the cavity of the phase shifter.Usually, the medium
Element force-applied moves along a straight line between the enclosure wall of cavity and the feeding network along the longitudinally of cavity.
Further, the feeding network runs through the cavity with the medium element, to cause the feeding network can be with outside
Transmission cable connection.
Preferably, each sub- cavity is integrally formed lengthwise cavity.It is preferred that using pultrusion molding process one
Shaping, makes the cavity cross-section of all sub- cavitys consistent, and the sub- cavity mutually spliced keeps alignment, work on its longitudinally
It is whole, consistent.Meanwhile both ends of the phaser cavity along its longitudinally are the transmission network that openend is penetrated in the cavity with allowing
Network is connected with each other with external transmission lines cable.Specifically, interfixed spelling between the two neighboring sub- cavity by connecting medium
Connect so that the sub- cavity mutually spliced is in strip；Further, one fixed width is provided between the two sub- cavitys mutually spliced
Gap so that between two neighboring sub- cavity insulation or two neighboring sub- cavity between with dielectric interval, it is adjacent to prevent
Directly contacted between sub- cavity, avoid influenceing the intermodulation index of phase shifter, so as to lift the performance of phase shifter.
Preferably, the feeding network is the circuit with phase shift function formed based on pcb board printing or led by metal
The circuit that body forms according to phase-shift circuit function.
Because the feeding network runs through the cavity of phase shifter, the feeding network can be integral shape feeding network
Or it is made up of more sub- feeding networks.Preferably, the feeding network includes at least two sub- feeding networks, more sub- transmission networks
Network is respectively placed in multiple sub- cavitys, the side that then the two neighboring sub- feeding network passes through welding or other electrical connections
Formula forms the feeding network and run through in the cavity formed by least two sub- cavitys.
Similarly, because the medium element runs through the whole chamber of phase shifter, the medium element can be integral shape
Medium element is made up of more sub- medium elements.Preferably, the medium element includes at least two sub- medium elements, it is multiple
Sub- medium element is respectively placed in multiple sub- cavitys, and then the two neighboring sub- medium element is formed by snap fit
The medium element is simultaneously run through in the cavity formed by least two sub- cavitys.
Embodiment one
As shown in figs. 1-7, phase shifter 1 of the invention include be spliced to form by two sub- cavitys 11 cavity (non-label, under
Together), feeding network 12 and medium element 13.
At least one end of the sub- cavity 11 along its longitudinally is connection end (non-label, similarly hereinafter), by two sub- chambers
The connection end of body 11 is interconnected to form the cavity of the phase shifter 1 of the present embodiment.The feeding network 12 and the medium element
13 are placed in cavity, and the medium element 13 is between the enclosure wall of cavity and the feeding network 12, and force-applied edge
The longitudinally of cavity moves along a straight line, and further, the feeding network 12 and the medium element 13 run through the shifting
More sub- cavitys of phase device 1.
Further, in the present embodiment, the connection medium is media connections 14, in order to preferably fix two sub- chambers
Connection between body 11 avoids influenceing the property of phase shifter 1 due to the unfixed of sub- cavity 11 to ensure that phase shifter 1 is in strip
Can, one end (i.e. connection end) that the sub- cavity 11 mutually splices is provided with perforate 110, and the perforate 110 is used for being connected two
Grab 140 on the media connections 14 of individual sub- cavity 11 fastens.
The media connections 14 include connection ring 141 and along connection ring 141 it is axially extending go out support arm 142, it is described
Support arm 142 is provided with the grab 140 corresponding with the perforate 110 on the connection end of the sub- cavity 11.During assembling, along sub- cavity
The direction of 11 connection end inserts two sub- cavitys 11 in the connection ring 141 from the both ends of connection ring 141 respectively, and allows medium
The grab 140 of connector 14 is fastened with the perforate 110 on the connection end of two sub- cavitys 11 respectively, and interconnection is fixed with this
The position of two sub- cavitys 11.
In an embodiment of the present embodiment, the feeding network 12 is integral shape feeding network, the monolithic
Feeding network is run through in the cavity formed by least two sub- cavitys 11.
The another embodiment of the present embodiment, the feeding network 12 include at least two sub- feeding networks, more height
Feeding network is correspondingly placed in multiple sub- cavitys 11, and the two neighboring sub- feeding network passes through welding or other electrical connections
Mode forms the feeding network 12 and run through in the cavity formed by least two sub- cavitys 11.
In an embodiment of the present embodiment, the medium element 13 is integral shape medium element, the monolithic
Medium element is run through in the cavity formed by least two sub- cavitys 11.
The another embodiment of the present embodiment, the medium element 13 include at least two sub- medium elements, more height
Medium element is respectively placed in multiple sub- cavitys 11, and the two neighboring sub- medium element is formed described by snap fit
Medium element 13 is simultaneously run through in the cavity formed by least two sub- cavitys 11.
From the foregoing, it will be observed that need the gap for remaining with one fixed width adjacent to ensure between the two sub- cavitys 11 mutually spliced
Insulated between two sub- cavitys 11.In the present embodiment, protected between two sub- cavitys 11 being fastened and connected by media connections 14
Certain gap is left, specifically, connecting two grabs 140 on the same longitudinal direction of two sub- cavitys 11 on media connections 14
Between air line distance be more than perforate 110 on two sub- cavitys 11 of connection to corresponding connection end margin horizontal range it
With connect two sub- cavitys 11 by media connections 14, then form the cavity of this phase shifter 1, while avoid two
The direct contact of sub- cavity 11, avoid influenceing the intermodulation index of phase shifter 1, so as to lift the performance of phase shifter 1.
Further, with reference to Fig. 8, Fig. 9, phase shifter 1 of the invention includes the cavity being spliced to form by three sub- cavitys 11,
Feeding network 12 and medium element 13, the feeding network 12 and the medium element 13 are placed in cavity, the medium element
13 between the enclosure wall of sub- cavity 11 and the feeding network 12, and the force-applied longitudinally along cavity does straight line fortune
Dynamic, further, the feeding network 12 and the medium element 13 run through the cavity of the phase shifter 1.In other implementations
In mode, cavity of the invention can be also spliced by more sub- cavitys 11.
Example of the present invention is broken the whole up into parts the long cavity of the phase shifter of prior art, is divided into the shorter sub- chamber of multiple length
Body, it is easy to production, the shaping of cavity, reduces the integrally formed difficulty of cavity, meanwhile, the shorter cavity of length reduces cavity plating
Difficulty, improve cavity plating accuracy, while be easy to remove cavity processing when burr, avoid phase shifter produce intermodulation not
Good or even short-circuit risk.
Embodiment two
As shown in Figure 10, Figure 11, phase shifter 2 of the invention, including two sub- cavitys 21 are spliced to form along longitudinally
Cavity (non-label, similarly hereinafter), feeding network 22 and medium element 23.
At least one end of the sub- cavity 21 along its longitudinally is connection end (non-label, similarly hereinafter), by two sub- chambers
The connection end of body 21 is interconnected to form the cavity of phase shifter 2 of the present invention.The feeding network 22 and the medium element 23 are put
In in the cavity of phase shifter 2, the medium element 22, and can be by between the enclosure wall of cavity and the feeding network 23
Power moves along a straight line along the longitudinally of cavity.Further, the feeding network 22 and the medium element 23 run through institute
State more sub- cavitys of phase shifter 2.
An embodiment of the present embodiment, the feeding network 22 are integral shape feeding network, the monolithic feedback
Electric network is run through in the cavity formed by least two sub- cavitys 21.
The another embodiment of the present embodiment, the feeding network 22 include at least two sub- feeding networks, more height
Feeding network is respectively placed in multiple sub- cavitys 21, and the two neighboring sub- feeding network passes through welding or other electrical connections
Mode forms the feeding network 22 and run through in the cavity formed by least two sub- cavitys 21.
In an embodiment of the present embodiment, the medium element 23 is integral shape medium element, the monolithic
Medium element is run through in the cavity formed by least two sub- cavitys 21.
The another embodiment of the present embodiment, the medium element 23 include at least two sub- medium elements, more height
Medium element is respectively placed in multiple sub- cavitys 21, and the two neighboring sub- medium element is formed described by snap fit
Medium element 23 is simultaneously run through in the cavity formed by least two sub- cavitys 21.
Further, in the present embodiment, the connection medium is metal glue, in order to fix between two sub- cavitys 21
Connection avoids influenceing the performance of phase shifter 2 due to the unfixed of sub- cavity 21, in sub- chamber to ensure that phase shifter 2 is in strip
The connection end of body 21 bonds two sub- cavitys 21 of connection by metal glue, and the sub- cavity 21 of two mutually spliced is fixed with this
Position.
In the embodiment of the present invention, in order to prevent directly being contacted between two sub- cavitys 21 being connected with each other, interconnection
The gap provided with one fixed width is needed between the connection end of two sub- cavitys 21, is, for example, less than 1mm gap.In a kind of embodiment
In, dielectric (non-label, similarly hereinafter) is added between the connection end of two sub- cavitys 21 of interconnection prevents sub- cavity 21
Between contact, specifically, the dielectric can be dielectric film (thickness is less than 1mm), and the dielectric is centre
Openworks shape is to allow feeding network 22 and medium element 23 is obtained through the dielectric and runs through the cavity of phase shifter 2.This
Two sub- cavitys 21 are fixedly connected by embodiment by way of metal glue bonds, and ensure sub- cavity 21 along longitudinally pair
Together, carefully and neatly, unanimously so that phase shifter 2 is in strip, and by between the connection end of the two sub- cavitys 21 mutually spliced
Add dielectric and avoid the direct contact of two sub- cavitys 21, and then avoid influenceing the intermodulation index of phase shifter 2, so as to improve
The performance of phase shifter 2.
Likewise, the present embodiment is also spliced to form the cavity of phase shifter 2, and phase widenable to more than two sub- cavitys 21
The direct contact spliced and added dielectric and avoid two sub- cavitys 21 is bonded between adjacent sub- cavity 21 by metal glue,
Consequently facilitating the processing of the cavity of phase shifter 2, the crudy of cavity is improved, so as to lift the performance of phase shifter 2.
Although having been illustrated with some exemplary embodiments of the present invention above, those skilled in the art will manage
Solution, in the case where not departing from the principle or spirit of the present invention, these exemplary embodiments can be made a change, it is of the invention
Scope is limited by claim and its equivalent.
Claims (10)
1. a kind of phase shifter, including cavity, be placed in cavity feeding network, be placed in cavity and can be moved along a straight line with respect to cavity
Medium element, it is characterised in that the cavity is spliced to form by least two sub- cavitys along longitudinally, and two neighboring
Insulated between sub- cavity.
2. phase shifter according to claim 1, it is characterised in that by connecting medium between the two neighboring sub- cavity
Interfix splicing.
3. phase shifter according to claim 2, it is characterised in that the connection medium is for by two neighboring sub- cavity
Articulate media connections；The relative one end of the two neighboring sub- cavity is provided with perforate, the media connections pair
Answer the perforate to be provided with grab, the grab fastened respectively with the perforate on the two neighboring sub- cavity with fixation it is adjacent two
Individual sub- cavity.
4. phase shifter according to claim 2, it is characterised in that the connection medium is metal glue, two neighboring son
Cavity bonds the splicing that interfixes by metal glue.
5. phase shifter according to claim 1, it is characterised in that be provided between the two neighboring sub- cavity mutually spliced exhausted
Edge medium between two neighboring sub- cavity so as to insulate.
6. phase shifter according to claim 2, it is characterised in that between having between the two neighboring sub- cavity mutually spliced
Gap.
7. phase shifter according to claim 1, it is characterised in that the feeding network includes at least two sub- transmission networks
Network, at least two sub- feeding network are correspondingly placed in multiple sub- cavitys, and the two neighboring sub- feeding network
It is electrically connected to form the feeding network and runs through in the cavity formed by least two sub- cavitys.
8. phase shifter according to claim 1, it is characterised in that the medium element includes at least two sub- medium members
Part, at least two sub- medium element are correspondingly placed in multiple sub- cavitys, and the two neighboring sub- medium element
The medium element is formed by snapping and run through in the cavity formed by least two sub- cavitys.
9. phase shifter according to claim 1, it is characterised in that the feeding network includes forming based on pcb board printing
Circuit with phase shift function or the circuit that is made up of metallic conductor according to phase-shift circuit function.
10. phase shifter according to claim 1, it is characterised in that the lengthwise cavity that the sub- cavity is formed in one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711065329.6A CN107681233B (en) | 2017-11-02 | 2017-11-02 | Phase shifter |
| PCT/CN2018/097590 WO2019085557A1 (en) | 2017-11-02 | 2018-07-27 | Phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711065329.6A CN107681233B (en) | 2017-11-02 | 2017-11-02 | Phase shifter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107681233A true CN107681233A (en) | 2018-02-09 |
| CN107681233B CN107681233B (en) | 2019-12-17 |
Family
ID=61145601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711065329.6A Active CN107681233B (en) | 2017-11-02 | 2017-11-02 | Phase shifter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107681233B (en) |
| WO (1) | WO2019085557A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019085557A1 (en) * | 2017-11-02 | 2019-05-09 | 京信通信系统（中国）有限公司 | Phase shifter |
| WO2020155723A1 (en) * | 2019-01-30 | 2020-08-06 | 京信通信技术(广州)有限公司 | Phase shift feed apparatus and base station antenna |
| CN115663423A (en) * | 2022-12-26 | 2023-01-31 | 华南理工大学 | Antenna device and combined phase shifter |
| WO2023109696A1 (en) * | 2021-12-17 | 2023-06-22 | 华为技术有限公司 | Antenna and communication device |
| CN116995432A (en) * | 2023-09-26 | 2023-11-03 | 华南理工大学 | Phase shifting device, assembling method thereof and base station antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0387955A1 (en) * | 1989-03-17 | 1990-09-19 | Laboratoires D'electronique Philips | Package for hyperfrequency integrated circuit |
| CN203119062U (en) * | 2012-12-31 | 2013-08-07 | 华为技术有限公司 | Mounting assembly |
| CN104037474A (en) * | 2014-01-28 | 2014-09-10 | 京信通信技术(广州)有限公司 | Cavity body phase shifter |
| CN207409635U (en) * | 2017-11-02 | 2018-05-25 | 京信通信系统（中国）有限公司 | Phase shifter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505560B (en) * | 2014-12-12 | 2018-01-12 | 湖北日海通讯技术有限公司 | Phase adjusting device and phase adjustment unit |
| CN105470618B (en) * | 2015-12-25 | 2019-03-12 | 广东晖速通信技术股份有限公司 | A kind of cavity resonant inhibition structure |
| CN107681233B (en) * | 2017-11-02 | 2019-12-17 | 京信通信系统（中国）有限公司 | Phase shifter |
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2017
- 2017-11-02 CN CN201711065329.6A patent/CN107681233B/en active Active
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2018
- 2018-07-27 WO PCT/CN2018/097590 patent/WO2019085557A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0387955A1 (en) * | 1989-03-17 | 1990-09-19 | Laboratoires D'electronique Philips | Package for hyperfrequency integrated circuit |
| CN203119062U (en) * | 2012-12-31 | 2013-08-07 | 华为技术有限公司 | Mounting assembly |
| CN104037474A (en) * | 2014-01-28 | 2014-09-10 | 京信通信技术(广州)有限公司 | Cavity body phase shifter |
| CN203910942U (en) * | 2014-01-28 | 2014-10-29 | 京信通信技术(广州)有限公司 | Cavity-type phase shifter |
| CN207409635U (en) * | 2017-11-02 | 2018-05-25 | 京信通信系统（中国）有限公司 | Phase shifter |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019085557A1 (en) * | 2017-11-02 | 2019-05-09 | 京信通信系统（中国）有限公司 | Phase shifter |
| WO2020155723A1 (en) * | 2019-01-30 | 2020-08-06 | 京信通信技术(广州)有限公司 | Phase shift feed apparatus and base station antenna |
| WO2023109696A1 (en) * | 2021-12-17 | 2023-06-22 | 华为技术有限公司 | Antenna and communication device |
| CN115663423A (en) * | 2022-12-26 | 2023-01-31 | 华南理工大学 | Antenna device and combined phase shifter |
| CN115663423B (en) * | 2022-12-26 | 2023-03-28 | 华南理工大学 | Antenna device and combined phase shifter |
| CN116995432A (en) * | 2023-09-26 | 2023-11-03 | 华南理工大学 | Phase shifting device, assembling method thereof and base station antenna |
| CN116995432B (en) * | 2023-09-26 | 2024-01-26 | 华南理工大学 | Phase shifting device, assembling method thereof and base station antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107681233B (en) | 2019-12-17 |
| WO2019085557A1 (en) | 2019-05-09 |
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Effective date of registration: 20200120 Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee after: Jingxin Communication Technology (Guangzhou) Co., Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Co-patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Patentee before: Jingxin Communication System (China) Co., Ltd. Co-patentee before: Jingxin Communication System (Guangzhou) Co., Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |