CN106785275A - Double-deck chamber combiner and its public port device - Google Patents
Double-deck chamber combiner and its public port device Download PDFInfo
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- CN106785275A CN106785275A CN201710086593.1A CN201710086593A CN106785275A CN 106785275 A CN106785275 A CN 106785275A CN 201710086593 A CN201710086593 A CN 201710086593A CN 106785275 A CN106785275 A CN 106785275A
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- chamber
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- resonant column
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- window
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
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Abstract
The invention discloses a kind of double-deck chamber combiner and its public port device, first dividing plate is located in housing and is used to for housing to be separated to form ground floor cavity and second layer cavity, and second partition to stand on be used on the first dividing plate and ground floor cavity is separated to form into First chamber and the second first chamber.Housing offers the common contact hole of connection common contact, first dividing plate is arranged with coupling window towards the side in common contact hole, coupling aperture is offered on first dividing plate, second partition, the first resonant column, the second resonant column or the 3rd resonant column, coupling bar one end is used to be connected with common contact, in other end insertion coupling aperture.The present invention only needs to the coupling of rod plug-in type i.e. can be while realize the port bandwidth distribution of Dual-layer three-way, and this will make the double-decker form have broader applications in Modern Mobile Communications Systems.Additionally, the present invention save traditional structural design required for public resonator, with Insertion Loss is small, small volume, be easy to processing and the low feature of processing cost.
Description
Technical field
The present invention relates to technical field of communication equipment, filled more particularly, to a kind of double-deck chamber combiner and its public port
Put.
Background technology
In present mobile communication technology, the microwave device that microwave filter is constituted has become essential important
Part.Wherein, microwave cavity combiner is made up of multi-channel filter, favourable using layer cloth chamber mode when passband is more
In device miniaturization.Conventional double-deck chamber combiner is only used for realizing bilevel two filtering path combining at present, and works as
If needing to realize three filtering path combinings, then need three filtering paths all with tap metal wire directly with public port and
Coupling bar is connected, and this three solder joints can occur on public port and coupling bar, the intermodulation index of combiner is become far short of what is expected；Or
Person needs first to add extra public resonator by two path combinings in one layer, could realize Dual-layer three-way combining,
This kind of design can increase the number of resonator, not only increased Insertion Loss and cost of manufacture, also cannot further accomplish that device is small
Type.
The content of the invention
Based on this, the invention reside in the defect for overcoming prior art, there is provided a kind of double-deck chamber combiner and its public port
Device, it uses the coupling bar can to realize the distribution of the upper and lower three-way port bandwidth in double-deck chamber, and it has, and Insertion Loss is small, body
Product is small, be easy to processing and the low feature of processing cost, and its no-welding-spot, can reduce the non-linear factor of device.
Its technical scheme is as follows：
A kind of public port device of double-deck chamber combiner, including housing, the first dividing plate, second partition, the first resonant column,
Second resonant column, the 3rd resonant column and coupling bar, first dividing plate are located in the housing and are used in the housing
Chamber is separated to form ground floor cavity and second layer cavity, and the second partition stands on and be used to described first on first dividing plate
Layer cavity is separated to form First chamber and the second first chamber, and first resonant column is located in the First chamber, and described second is humorous
The post that shakes is located in the described second first chamber, and the 3rd resonant column is located in the second layer cavity, the housing offer for
The common contact hole of common contact is connected, first dividing plate is arranged with coupling window towards the side in the common contact hole,
The First chamber, the described second first chamber and the second layer cavity are connected with the window that couples, first dividing plate,
Coupling aperture is offered on the second partition, first resonant column, second resonant column or the 3rd resonant column, it is described
Coupling bar one end is used to be connected with common contact, and the other end is inserted in the coupling aperture, and signal is transferred to described by common contact
Coupling bar, then by be finally radiated after the coupling aperture and the coupling window First chamber, the second first chamber with
And the second layer cavity.
Wherein in one embodiment, the 3rd resonant column includes the pylon being located on first dividing plate and positioned at institute
The resonant column body on pylon is stated, the coupling aperture is offered on the pylon.
Wherein in one embodiment, the coupling aperture is oppositely arranged with the common contact hole.
Wherein in one embodiment, also including the medium socket being sheathed on the coupling bar, the medium socket is located at institute
State in coupling aperture.
Wherein in one embodiment, the second partition is towards between the side in the common contact hole and the housing
It is provided with gap.
Wherein in one embodiment, the coupling bar include the first order rod of the insertion coupling aperture and for it is public
The second level rod of joint connection, the diameter with diameter greater than the second level rod of the first order rod.
Wherein in one embodiment, the coupling bar include the first order rod of the insertion coupling aperture and for it is public
The second level rod of joint connection, the diameter of the diameter less than the second level rod of the first order rod.
Wherein in one embodiment, the coupling window include the first window that is docked with the First chamber and with institute
The second window of the second first chamber docking is stated, the bottom of the first window is arranged with extension mouth.
Wherein in one embodiment, the coupling window include the first window that is docked with the First chamber and with institute
The second window of the second first chamber docking is stated, the bottom of second window is arranged with extension mouth.
The technical program additionally provides a kind of double-deck chamber combiner, including described public port device.
The advantage or principle to preceding solution are illustrated below：
The public port device of double-deck chamber combiner of the present invention, it passes through the first dividing plate and the inner chamber of housing is separated into shape
Into upper and lower two-layer, then First chamber and the second filtering that ground floor cavity is separated to form the first filtering path by second partition
The first chamber of the second of path, second layer cavity then may make up the 3rd first chamber of the 3rd filtering path.At the same time, it is of the present invention
First dividing plate offers coupling window, and be docked and connected for ground floor cavity and second layer cavity by coupling window, and by First chamber
It is docked and connected with the second first chamber.The present invention is in first dividing plate, the second partition, first resonant column, described second
Coupling aperture is opened up on resonant column or the 3rd resonant column, and the coupling bar being connected with common contact is provided with coupling aperture.
Energy of electromagnetic field is realized in being finally radiated three first chambers after common contact, coupling bar, coupling aperture, coupling window
The distribution of upper and lower three filtering access port bandwidth.Public port device of the present invention only needs to a rod plug-in type coupling i.e.
The port bandwidth distribution of Dual-layer three-way can be simultaneously realized, this will make double-decker form in Modern Mobile Communications Systems
In have broader applications；Meanwhile, the present invention save traditional structural design required for public resonator, with Insertion Loss is small, body
Product is small, be easy to processing and the low feature of processing cost；Additionally, the present invention is without by the way of the connection of tap metal wire so that
Whole public port device does not have solder joint, so as to reduce the non-linear factor of public port device.
Brief description of the drawings
Fig. 1 is the partial sectional view of the public port device described in the embodiment of the present invention；
Fig. 2 is the longitudinal sectional view of the public port device described in the embodiment of the present invention；
Fig. 3 is the top view of the public port device described in the embodiment of the present invention；
Fig. 4 is the upward view of the public port device described in the embodiment of the present invention.
Description of reference numerals：
100th, common contact, 200, housing, 210, First chamber, the 220, second first chamber, the 230, the 3rd first chamber, 240, public
Nipple orifice, the 300, first dividing plate, 310, coupling window, 311, first window, the 312, second window, 400, second partition, 500,
First resonant column, the 600, second resonant column, the 700, the 3rd resonant column, 710, pylon, 711, coupling aperture, 720, resonant column body,
800th, coupling bar.
Specific embodiment
To make the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing and specific embodiment party
Formula, is described in further detail to the present invention.It should be appreciated that specific embodiment described herein is only used to solve
The present invention is released, protection scope of the present invention is not limited.
It should be noted that when an element is known as " connection " another element, it can be communicates directly to separately
One element can also be that another element is communicated in by element placed in the middle." electric connection " of the present invention can
It is expressed as " wired connection " or " wireless connection ".Additionally, unless otherwise indicated, the term " first " otherwise in specification and "
The description such as two " is used only for distinguishing each component, element, step in specification etc., without being intended to indicate that each component, unit
Logical relation or ordinal relation between element, step etc..
As depicted in figs. 1 and 2, the public port device of double-deck chamber combiner of the present invention, including housing 200,
One dividing plate 300, second partition 400, the first resonant column 500, the second resonant column 600, the 3rd resonant column 700 and coupling bar 800.
First dividing plate 300 is located in the housing 200 and is used to for the inner chamber of housing 200 to be separated to form ground floor cavity and the second layer
Cavity, the second partition 400 to stand on be used on first dividing plate 300 and be separated to form First chamber by the ground floor cavity
210 and the second first chamber 220, the second layer cavity is then the 3rd first chamber 230.First resonant column 500, second resonance
Post 600 and the 3rd resonant column 700 are located in the First chamber 210 respectively, the described second first chamber 220 is interior and described
In 3rd first chamber 230.Specifically, the first resonant column 500 shown in the present embodiment accompanying drawing and the second resonant column 600 are installed in institute respectively
The upper surface of the first dividing plate 300 is stated, the 3rd resonant column 700 is installed in the lower surface of first dividing plate 300.
The housing 200 offers the common contact hole 240 for connecting common contact 100, the face of the first dividing plate 300
Coupling window 310 is offered to the side in the common contact hole 240.Coupling window 310 and the First chamber 210,
Described second first chamber 220 and the 3rd first chamber 230 connect.Specifically, as shown in figure 1, the coupling window is about 310
Ground floor cavity and second layer cavity are extended to, and left and right extends to the first chamber 220 in First chamber 210 and second.Described first every
Plate 300, the second partition 400, first resonant column 500, second resonant column 600 or the 3rd resonant column 700
The side towards the common contact hole 240 can offer coupling aperture 711, the coupling aperture 711 and the common contact hole
240 are oppositely arranged.The one end of the coupling bar 800 connects with the common contact 100 at the common contact hole 240, another
In the end insertion coupling aperture 711.Signal is transferred to the coupling bar 800 by common contact 100, then by the coupling aperture
711 and the coupling window 310 after be finally radiated the First chamber 210, the second first chamber 220 and described 3rd first
Chamber 230.
The operation principle to above-mentioned technical proposal is illustrated below：Public port device of the present invention, it passes through
The inner chamber of housing 200 is separated to form upper and lower two-layer by one dividing plate 300, then ground floor cavity is separated into shape by second partition 400
Into the second first chamber 220 of the filtering of First chamber 210 and second path of the first filtering path, second layer cavity then may make up the 3rd
3rd first chamber 230 of filtering path.At the same time, the first dividing plate 300 of the present invention offers coupling window 310, coupling
Be docked and connected for ground floor cavity and second layer cavity by window 310, and the first chamber 220 in First chamber 210 and second is docked and connected.
The present invention first dividing plate 300, the second partition 400, first resonant column 500, second resonant column 600 or
Coupling aperture 711 is opened up on one of described 3rd resonant column 700, and is provided with and common contact 100 in coupling aperture 711
The coupling bar 800 of connection.(public port described herein is by common contact hole 240 and public by public port for energy of electromagnetic field
Joint 100 is constituted), coupling bar 800 and coupling aperture 711, it is final after coupling window 310 be radiated in three first chambers, Jin Ershi
The now distribution of upper and lower three filtering access port bandwidth.Public port device of the present invention only needs to a rod plug-in type coupling
The port bandwidth distribution of Dual-layer three-way can be simultaneously realized, this will make double-decker form in present mobile communication system
There are broader applications in system；Meanwhile, the present invention save traditional structural design required for public resonator, with Insertion Loss it is small,
Small volume, be easy to processing and the low feature of processing cost；Additionally, the present invention is without by the way of the connection of tap metal wire, making
Obtaining whole public port device does not have solder joint, so as to reduce the non-linear factor of public port device.
In the present embodiment, the coupling aperture 711 is preferably opened on the 3rd resonant column 700.Specifically, described
Three resonant columns 700 include the pylon 710 on first dividing plate 300 and the resonant column body on the pylon 710
720, the coupling aperture 711 is offered on the pylon 710.It should be noted that the first resonant column 500, the second resonant column 600
Structure can be identical with the structure of the 3rd resonant column 700, i.e. may also comprise pylon and resonant column body construction.It is of the invention abundant
Using the physical arrangement of resonant column so that the setting of coupling aperture 711 is rationally effective in public port device, device is not interfered with special
Property.Because when coupling aperture 711 is opened on the first dividing plate 300 or second partition 400, then the first dividing plate 300 and second every
The thickness of plate 400 needs to be designed to sufficiently thick, and blocked up second partition 400 will influence First chamber 210 with the second head chambers 220
Frequency distribution, thus the present invention preferentially coupling aperture 711 is arranged on the pylon 710 of resonant column.When the insertion of coupling bar 800 the
During three resonant columns 700, energy of electromagnetic field is radiated on the 3rd resonant column 700 in the i.e. the 3rd first chamber 230, afterwards via coupling window
310 re-radiations are to first resonant column 500 in First chamber 210 and second resonant column 600 in the second first chamber 220.The present embodiment institute
Stating the pylon 710 of housing 200, the first dividing plate 300, second partition 400 and each resonant column can be formed in one structure, simplify
The making of whole device.
It is worth noting that, side and the housing 200 of the second partition 400 towards the common contact hole 240
Between be provided with gap, be used to ensure First chamber 210, the coupling effect between the second first first chamber 230 in chamber 220 and the 3rd is more preferable.
It should be noted that wherein in one embodiment, when coupling aperture 711 is located at second partition 400 towards the common contact hole
Then need to set gap during 240 side, between the second partition 400 and housing 200 and be used to ensure that energy of electromagnetic field can be from
In coupling aperture 711 in divergent radiation to the first chamber 230 in the first chamber 220 and the 3rd in First chamber 210, second.
In the present embodiment, the coupling bar 800 is ladder rod, its first order rod for including stretching into the coupling aperture 711
With the second level rod for being connected with common contact 100.The diameter with diameter greater than the second level rod of the first order rod, or
Diameter of the diameter of the first order rod less than the second level rod.The diameter of the first order rod can be according to coupling aperture 711
Normal size or common size are set, i.e., the diameter of first order rod matches with the internal diameter size of coupling aperture 711；The second level
The diameter of rod can then be set by the amount of bandwidth and impedance operator that are subjected to, thus coupling bar 800 may be designed as rank
Terraced rod.It should be noted that coupling bar 800 is designed as straight bar-shaped knot also dependent on being actually needed by those skilled in the art
Structure.Present invention additionally comprises the medium socket (accompanying drawing is not shown) being sheathed on the coupling bar 800, the medium socket is located at the coupling
Close in hole 711.The setting of medium socket is used to fixed coupling rod 800, prevents coupling bar 800 from electric short circuit occur with pylon 710.
Public port device of the present invention can be realized logical to upper and lower three by adjusting the position of coupling aperture 711
The bandwidth allocation regulation of road port.As shown in Fig. 2 in actual design process, coupling aperture 711 can be with the first dividing plate 300
Moved on datum level or moved down.It is the lower floor of plane when common contact 100 and coupling bar 800 are positioned over the first dividing plate 300, and to
When lower mobile, i.e. when coupling aperture 711 is located at the lower section of the first dividing plate 300, then the bandwidth of second layer cavity (the 3rd first chamber 230)
Distribution can increase.Conversely, when common contact 100 and coupling bar 800 are moved up, being such as moved to when on second partition 400, then
The bandwidth allocation of second layer cavity can be reduced.Upper strata two is realized by adjusting the height of common contact 100 and coupling bar 800
Individual path and lower floor's channel bandwidth distribution.
Because energy of electromagnetic field is generally concentrated between coupling bar 800 and coupling aperture 711, thus coupling bar can be adjusted
The length of the medium socket in gap or the dielectric constant of medium socket are logical to adjust the filtering of two, upper strata between 800 and coupling aperture 711
Road (the first filtering path and the second filtering path) and the port bandwidth of lower floor's filtering path (the 3rd filtering path).Additionally,
Two, upper strata filtering path and lower floor can be adjusted by adjusting the depth of the entrance coupling aperture 711 of coupling bar 800 filter path
Port bandwidth.
When common contact 100 and coupling bar 800 be partial to the first dividing plate 300 for plane lower floor when, increase or subtract
The area of certain side of coupling window 310 then can adjust two, the upper strata bandwidth allocation of filtering path less.Incorporated by reference to Fig. 3, work as increase
During first window 311 (i.e. positioned at the coupling window 310 of the side of the first resonant column 500), then can increase the place of the first resonant column 500
The bandwidth of the first filtering path, the present invention can again be arranged with an extension mouth 3111, be used to increase in the bottom of first window 311
The area of first window 311, as shown in figures 1 and 3；Equally, when the second window 312 of increase is (i.e. positioned at the second resonant column 600 1
The coupling window 310 of side) when, then the bandwidth of the second filtering path where increasing the second resonant column 600, the present invention can be the
The bottom of two windows 312 is arranged with another extension mouth (accompanying drawing is not shown) again, is used to increase the area of the second window 312.Instead
It, when first window 311 is reduced, then first filters the bandwidth of path where reducing the first resonant column 500, and the present invention can root
It is used to reduce the area of first window 311 according to increase filler etc. in first window 311 is actually needed；Equally, when reduction second
During window 312, then the bandwidth of the second filtering path where reducing the second resonant column 600, the present invention can be according to actual needs
Increase filler etc. in the second window 312 and be used to reduce the area of the second window 312.Additionally, incorporated by reference to Fig. 4, when the 3rd resonance
Post 700 (pylon 710 and resonant column body 720) diameter increase (increasing the facing area with the inwall of housing 200) is close to shell
When 200 inwall of body, lower floor's bandwidth allocation can be increased；Equally, when the first resonant column 500 and the diameter of the second resonant column 600 increase
When after big or near 200 inwall of housing, two, the upper strata bandwidth allocation of filtering path can be increased.Conversely, when the 3rd resonance
The diameter of post 700 reduces or when away from 200 inwall of housing, can reduce lower floor's bandwidth allocation；Equally, when the first resonant column
500 and the diameter of the second resonant column 600 reduce or when away from 200 inwall of housing, two, the upper strata band of filtering path can be reduced
Width distribution.
The present invention also provides a kind of double-deck chamber combiner, including above-mentioned public port device, common contact 100 and one,
Two or three branch joints (accompanying drawing is not shown).When branch joint is three, the first chamber electricity of each branch joint correspondence one
Property connection；When branch joint is two, it is electrically connected with one of branch joint after the energy centralization of two of which head chambers, separately
Outer one first chamber is then electrically connected with another branch joint；When branch joint is one, then three first chamber energy centralizations
Connected with the branch joint afterwards.It should be noted that common contact of the present invention and branch joint etc. can be joint rod
Or wire etc..
In sum, the present invention inserts coupling aperture 711 to realize upper and lower three filtering access port band by coupling bar 800
Distribution wide, this will make the double-decker form have broader applications in Modern Mobile Communications Systems.Wherein, common contact
100 and coupling bar 800 directly assemble, without with cavity resonant post welding, and the present invention need not using tap metal wire connection
Mode so that whole public port device does not have solder joint, not only reduce assembly difficulty, also reduce public port device
Non-linear factor.Additionally, the present invention can realize required port bandwidth, phase in the case where public resonator is not increased
For the combiner of existing resonator altogether, with Insertion Loss is small, small volume, it is easy to processing and the low feature of processing cost.To sum up may be used
Know, simple structure of the present invention, it is easy to assemble, Material Cost is low, reliability and stability are good, applicability is wide, can effectively save
Production cost is saved, Improving The Quality of Products is enhanced one's market competitiveness.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.
Claims (10)
1. a kind of public port device of double-deck chamber combiner, it is characterised in that including housing, the first dividing plate, second partition,
One resonant column, the second resonant column, the 3rd resonant column and coupling bar, first dividing plate is used in the housing will be described
The inner chamber of housing is separated to form ground floor cavity and second layer cavity, the second partition stand on be used on first dividing plate by
The ground floor cavity is separated to form First chamber and the second first chamber, and first resonant column is located in the First chamber, institute
The second resonant column is stated in the described second first chamber, the 3rd resonant column is located in the second layer cavity, and the housing is opened
The common contact hole for connecting common contact is provided with, first dividing plate is arranged with coupling towards the side in the common contact hole
Window is closed, the First chamber, the second first chamber and the second layer cavity are connected with the window that couple, described the
Coupling is offered on one dividing plate, the second partition, first resonant column, second resonant column or the 3rd resonant column
Hole, described coupling bar one end is used to be connected with common contact, and the other end is inserted in the coupling aperture；Signal is transmitted by common contact
To the coupling bar, then by being finally radiated the First chamber, described second after the coupling aperture and the coupling window
First chamber and the second layer cavity.
2. the public port device of double-deck chamber combiner according to claim 1, it is characterised in that the 3rd resonant column
Including the pylon on first dividing plate and the resonant column body on the pylon, offered on the pylon described
Coupling aperture.
3. the public port device of double-deck chamber combiner according to claim 1, it is characterised in that the coupling aperture and institute
Common contact hole is stated to be oppositely arranged.
4. the public port device of double-deck chamber combiner according to claim 1, it is characterised in that also including being sheathed on
The medium socket on coupling bar is stated, the medium socket is located in the coupling aperture.
5. the public port device of double-deck chamber combiner according to claim 1, it is characterised in that the second partition face
Gap is provided between the side in the common contact hole and the housing.
6. the public port device of double-deck chamber combiner according to any one of claim 1 to 5, it is characterised in that institute
Stating coupling bar includes the first order rod and the second level rod for being connected with common contact of the insertion coupling aperture, the first order
The diameter with diameter greater than the second level rod of rod.
7. the public port device of double-deck chamber combiner according to any one of claim 1 to 5, it is characterised in that institute
Stating coupling bar includes the first order rod and the second level rod for being connected with common contact of the insertion coupling aperture, the first order
Diameter of the diameter of rod less than the second level rod.
8. the public port device of double-deck chamber combiner according to any one of claim 1 to 5, it is characterised in that institute
Stating coupling window includes the first window docked with the First chamber and the second window docked with the described second first chamber, described
The bottom of first window is arranged with extension mouth.
9. the public port device of double-deck chamber combiner according to any one of claim 1 to 5, it is characterised in that institute
Stating coupling window includes the first window docked with the First chamber and the second window docked with the described second first chamber, described
The bottom of the second window is arranged with extension mouth.
10. a kind of double-deck chamber combiner, including the public port device any one of claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710086593.1A CN106785275B (en) | 2017-02-17 | 2017-02-17 | Double-layer cavity combiner and public port device thereof |
| PCT/CN2017/119468 WO2018149236A1 (en) | 2017-02-17 | 2017-12-28 | Double-layer cavity combiner and public port device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710086593.1A CN106785275B (en) | 2017-02-17 | 2017-02-17 | Double-layer cavity combiner and public port device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106785275A true CN106785275A (en) | 2017-05-31 |
| CN106785275B CN106785275B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710086593.1A Active CN106785275B (en) | 2017-02-17 | 2017-02-17 | Double-layer cavity combiner and public port device thereof |
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| Country | Link |
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| CN (1) | CN106785275B (en) |
| WO (1) | WO2018149236A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018149236A1 (en) * | 2017-02-17 | 2018-08-23 | 京信通信系统（中国）有限公司 | Double-layer cavity combiner and public port device thereof |
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| CN206480739U (en) * | 2017-02-17 | 2017-09-08 | 京信通信系统（中国）有限公司 | Double-deck chamber combiner and its public port device |
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| CN106785275B (en) * | 2017-02-17 | 2020-11-06 | 京信通信技术(广州)有限公司 | Double-layer cavity combiner and public port device thereof |
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| CN106785275B (en) | 2020-11-06 |
| WO2018149236A1 (en) | 2018-08-23 |
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