CN208674339U - Cavity body filter - Google Patents
Cavity body filter Download PDFInfo
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- CN208674339U CN208674339U CN201821535005.4U CN201821535005U CN208674339U CN 208674339 U CN208674339 U CN 208674339U CN 201821535005 U CN201821535005 U CN 201821535005U CN 208674339 U CN208674339 U CN 208674339U
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- 230000008878 coupling Effects 0.000 claims abstract description 79
- 238000010168 coupling process Methods 0.000 claims abstract description 79
- 238000005859 coupling reaction Methods 0.000 claims abstract description 79
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 230000004888 barrier function Effects 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Abstract
The utility model provides a kind of cavity body filter, is related to wireless communication technology field.Cavity body filter includes cavity, cover board, coupling tuning screw rod and coupling regulating part.Coupling tuning screw rod realizes adjusting between capacitive coupling amount two resonant cavities with regulating part is coupled jointly.Specifically, the multiple coupled sections for coupling regulating part pass through coupling window, and adjustable by coupled section and the distance between resonator and/or cover board, and then adjust the coupling amount size between two resonators, increase the tuning range of coupling amount.Coupling tuning screw rod runs through cover board, and carries out fine adjustments by adjusting the length entered in coupling window, and then to coupling amount.Wherein, the application for coupling regulating part is applicable not only to common metal coaxial resonator, is applied equally to TM mould dielectric resonator, the selection of more flexible and convenient is provided for the design of coaxial cavity filter, and have structure simple, easily fabricated and installation, the advantages that cost is relatively low.
Description
Technical field
The utility model relates to wireless communication technology field, in particular to a kind of cavity body filter.
Background technique
With the rapid development of wireless communication technique, market is more tight to the performance and volume requirement of communication base station equipment
Lattice.In current commonly used cavity body filter equipment, need by capacitive between resonator or inductive coupled, to reach
The filter freguency response characteristic needed.
Capacitive coupling between traditional metal Coaxial resonator usually passes through a metal being electrically insulated with metal cavity
Column is realized.Metal coaxial resonator is different from the magnetic distribution of TM mode (TM) dielectric resonator, traditional male part without
Capacitive coupling needed for method realizes TM mould dielectric resonator.
And the capacitive coupling between TM mould dielectric resonator, it is at present usually to be connect using male part one end with metal cavity electricity
Touching, the other end and the mode of the cover board electrical contact in metal cavity are realized, are not easy to dismounting and are repaired.
Utility model content
The utility model in view of the above-mentioned problems in the prior art, provides that a kind of structure is simple, assembling is easy, adjusts simple chamber
Fluid filter, the cavity body filter can be realized different capacitive couplings from the cooperation for coupling regulating part by coupling tuning screw rod
Amount, and then increase the tuning range of coupling amount, it is not only applicable in common metal Coaxial resonator, is applied equally to TM mould medium
Resonator.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of cavity body filter, comprising: cavity, top have an opening；Barrier rib, the resistance are equipped in the cavity
Inside cavity is separated into multiple resonant cavities by next door；The coupling for being connected to adjacent two resonant cavity is offered on the barrier rib
Close window；Resonator is correspondingly provided in each resonant cavity；Cover board is covered in the opening, for sealing the cavity；Coupling
Tuning screw is closed, is protruded into the coupling window through the cover board, and the length protruded into coupling window is adjustable；Coupling is adjusted
Save part comprising the connected multiple coupled sections of bending；The end of two coupled sections is respectively connecting pin, two companies from beginning to end
End is connect respectively correspondingly to connect with the bottom of the two neighboring resonant cavity；The coupled section passes through the coupling window；It is described
The distance between coupled section and two resonators and/or the cover board are adjustable.
One embodiment according to the present utility model, the multiple coupled section include multiple vertical coupled sections and multiple levels
Coupled section；Multiple vertical coupled section intervals and dislocation arrangement, the vertical coupled section is parallel to the axis of the resonator；
Misplace arrangement above and below multiple horizontal coupled sections, and the both ends of a horizontal coupled section are used for and two neighboring vertical coupling
Close section connection；The horizontal coupled section and the distance between the cover board are adjustable；The vertical coupled section and the resonator it
Between distance it is adjustable.
One embodiment according to the present utility model, the vertical coupled section include the first vertical coupling being successively spaced
Section, the second vertical coupled section, the vertical coupled section of third and the 4th vertical coupled section；The horizontal coupled section includes successively being spaced
First level coupled section, the second horizontal coupled section and the horizontal coupled section of third；Two adjacent resonant cavities are respectively first
Resonant cavity and the second resonant cavity；The bottom end of the first vertical coupled section is one of them described connecting pin, and described first is vertical
Coupled section is connect by the connecting pin with the bottom of first resonant cavity, with the resonance being arranged in first resonant cavity
Near device；The both ends of the first level coupled section are connected to the top and described second of the described first vertical coupled section
The top connection of vertical coupled section；The both ends of the second horizontal coupled section are connected to the bottom of the described second vertical coupled section
The bottom end at end and the vertical coupled section of the third, the both ends of the horizontal coupled section of third are connected to the vertical coupling of the third
Close the top of section and the top of the 4th vertical coupled section；The bottom end of the 4th vertical coupled section is another described connection
End, the 4th vertical coupled section are connect by the connecting pin with the bottom of second resonant cavity, be arranged in this
Near resonator in two resonant cavities.
One embodiment according to the present utility model, the first vertical coupled section, the second vertical coupled section and institute
It states first level coupled section and is in same plane, and be located in first resonant cavity；And the first vertical coupled section and
The second vertical coupled section and the distance between the resonator being located in first resonant cavity are adjustable；The third couples vertically
Section, the 4th vertical coupled section and the horizontal coupled section of the third are in same plane, and are located at second resonant cavity
It is interior；And between the vertical coupled section of third and the 4th vertical coupled section and resonator in second resonant cavity
Apart from adjustable.
One embodiment according to the present utility model, the second horizontal coupled section are located at the coupling window.
One embodiment according to the present utility model, the coupling regulating part further include multiple branch's coupled sections, each described
Branch's coupled section is overlapped in the coupled section；Each branch's coupled section have an abutting end, the abutting end with it is described humorous
The bottom connection of vibration chamber；The distance between branch's coupled section and two resonators and/or the cover board are adjustable.
The connecting pin of one embodiment according to the present utility model, the coupled section can be with the bottom of the resonant cavity
Welding.
The connecting pin of one embodiment according to the present utility model, the coupled section can pass through screw and the resonance
The bottom of chamber is fixedly connected.
One embodiment according to the present utility model, the coupled section are made of the sheet material of metal quality or wire rod.
One embodiment according to the present utility model, the resonator include resonant column and cavity tuning screw；It is described humorous
Vibration column is fixedly arranged in the resonant cavity, and center offers axially extending bore；The cavity tuning screw by with the cover board spiral shell
Line connection, and it is set to the top of the resonant column；The cavity tuning screw can actively protrude into the axially extending bore.
As shown from the above technical solution, the utility model at least has the following advantages that and good effect:
The utility model provides a kind of cavity body filter, is total to by the coupling tuning screw rod of adjustable capacitive with regulating part is coupled
With the adjusting realized between capacitive coupling amount two resonant cavities.Wherein, the multiple coupled sections for coupling regulating part pass through coupling window, and
It is adjustable with the distance between resonator and/or cover board by coupled section, and then the coupling amount size between two resonators is adjusted, increase
The tuning range of big coupling amount, structure is simple, easy to operate.Coupling tuning screw rod runs through cover board, and enters coupling by adjusting
The length in window is closed, and then coupling amount is further finely tuned.The application of coupling regulating part is applicable not only to conventional gold
Belong to coaxial resonator, be applied equally to TM mould dielectric resonator, for coaxial cavity filter design provide it is more flexible
Easy selection, applicability is more extensive, with more certain economy and practicability, is relatively simple to manufacture and install,
Cost is relatively low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one of the utility model embodiment one cavity body filter.
Fig. 2 is enlarged drawing at the A of Fig. 1.
Fig. 3 is the structural schematic diagram of another cavity body filter in the utility model embodiment two.
The reference numerals are as follows: 100- cavity body filter；1- cavity；11- opening；12- barrier rib；13- resonant cavity；
14- couples window；15- resonator；151- resonant column；152- cavity tuning screw；2- couples regulating part；21- coupled section；22-
Connecting pin；The vertical coupled section of 211- first；The vertical coupled section of 212- second；The vertical coupled section of 213- third；214- the 4th is vertical
Coupled section；215- the first open loop region 221- first level coupled section；The horizontal coupled section of 222- second；The coupling of 223- third level
Section；The second open loop region of 224-；3- cover board；4- coupling tuning screw rod；5- branch coupled section.
Specific embodiment
The exemplary embodiment for embodying the utility model features and advantages will describe in detail in the following description.It should be understood that
Be that the utility model can have various variations in different embodiments, all do not depart from the model of the utility model
It encloses, and the descriptions and illustrations are essentially for illustration purposes, rather than to limit the utility model.
Embodiment one
Fig. 1 is please referred to, Fig. 1 shows a kind of specific structure of cavity body filter 100 provided in this embodiment comprising chamber
Body 1 covers at the cover board 3 on cavity 1, the coupling tuning screw rod 4 on cover board 3 and the adjusting of the coupling in cavity 1
Part 2.
The top of cavity 1 has an opening 11, and covering is equipped with a cover board 3 in the opening 11.Cover board 3 is used for cavity 1 is close
Envelope.Barrier rib 12 is arranged in the prominent part of in cavity 1, which will be separated into two resonant cavities 13 inside cavity 1, and respectively first
Resonant cavity 13 and the second resonant cavity 13.And coupling window 14 for being connected to two resonant cavities 13 is offered on barrier rib 12.It is each humorous
A resonator 15 is correspondingly provided in vibration chamber 13.
Each resonator 15 includes resonant column 151 and cavity tuning screw 152.One end of resonant column 151 is fixedly arranged on resonant cavity
On 13 bottom, the other end and opening 11 have distance；The center of resonant column 151 offers axially extending bore.Cover board 3 be equipped with
The corresponding threaded hole of cavity tuning screw 152, cavity tuning screw 152 are set to resonant column by being threadedly coupled with cover board 3
151 top.Cavity tuning screw 152 can be protruded into actively in axially extending bore, and with enter axially extending bore depth into
And adjust the resonance frequency of the resonator 15.
In the present embodiment, cavity 1 is blocked wall 12 and is separated into two resonant cavities 13.In other specific embodiments, chamber
Multiple barrier ribs 12 can be arranged in the prominent part of in body 1, and cavity 1 is divided into multiple resonant cavities being successively spaced by multiple barrier ribs 12
13。
Coupling tuning screw rod 4 is threadedly coupled with cover board 3, and is protruded into coupling window 14 through cover board 3, and protrude into coupling window
Length in mouth 14 is adjustable.Its role is to: coupling tuning screw rod 4, which passes through, enters the depth for coupling window 14, can be humorous to two
Coupling amount between vibration device 15 is flexibly finely tuned.As the part that coupling tuning screw rod 4 extends into coupling window 14 is longer,
Provided capacitive coupling amount can slightly reduce.
Referring to figure 2., Fig. 2 is enlarged drawing at the A of Fig. 1.Coupling regulating part 2 includes multiple coupled sections 21 that bending is connected；
The end of two coupled sections 21 is respectively connecting pin 22 from beginning to end, two connecting pins 22 respectively correspondingly bottom with two resonant cavities 13
Connection.Coupled section 21 is connected 22 support of end, and passes through coupling window 14.Coupled section 21 can changing by shape and size
The distance between become, and then adjust two resonators 15, the distance between also adjustable and cover board 3, to reach adjusting
Coupling amount size between two resonators 15, increases the technical effect of the tuning range of coupling amount.
Multiple coupled sections 21 include multiple vertical coupled sections 21 and multiple horizontal coupled sections 21, vertical coupled section 21 and resonance
The distance between device 15 is adjustable, and horizontal coupled section 21 and the distance between cover board 3 are adjustable.
Wherein, multiple intervals of vertical coupled section 21 and dislocation arrangement, and it is parallel to the axis of resonator 15；Respectively first
Vertical coupled section 211, the second vertical coupled section 212, the vertical coupled section 213 of third and the 4th vertical coupled section 214.
Multiple about 21 horizontal coupled section dislocation arrangements, and the both ends of a horizontal coupled section 21 are used to erect with two neighboring
Straight coupled section 21 connects.Respectively first level coupled section 221, the second horizontal coupled section 222 and the horizontal coupled section 223 of third.
In other specific embodiments, the quantity of vertical coupled section 21 and horizontal coupled section 21 is unlimited.
The connection relationship of multiple vertical coupled sections 21 and multiple horizontal coupled sections 21 is as follows: the first vertical coupled section 211
Bottom end is one of connecting pin 22, and the first vertical coupled section 211 is connected by the connecting pin 22 and the bottom of the first resonant cavity 13
It connects, near the resonator 15 that is arranged in first resonant cavity 13.The both ends of first level coupled section 221 connect respectively
The top for being connected to the first vertical coupled section 211 is connected with the top of the second vertical coupled section 212；Second horizontal coupled section 222
Both ends are connected to the bottom end of the second vertical coupled section 212 and the bottom end of the vertical coupled section 213 of third, the horizontal coupled section of third
223 both ends are connected to the top of the vertical coupled section 213 of third and the top of the 4th vertical coupled section 214.4th is vertical
The bottom end of coupled section 214 is another connecting pin 22, and the 4th vertical coupled section 214 passes through the connecting pin 22 and the second resonant cavity 13
Bottom connection, near the resonator 15 that is arranged in second resonant cavity 13.
Wherein, the vertical coupled section 211 of first to be successively linked in sequence, first level coupled section 221 couple vertically with second
Section 212 is in same plane, and is located near the resonator 15 of the first resonant cavity 13.Above three coupled section 21 encloses jointly
One is right against the first open loop region 215 of the resonator 15, and the magnetic flux line of resonator 15 can pass through first open loop region
215.Its working principle is that: variation of the coupled section 21 Jing Guo size or shape, the area of adjustable first open loop region 215
Size.When area reduces, the coupling amount between two resonators 15 becomes smaller；When area increases, coupling amount becomes larger.Specifically, first
The regulative mode of the size of open loop region 215, the vertical coupled section 211 of one adjustable first, the second vertical coupled section
The distance between 212 and the resonator 15 are far and near, secondly the distance between adjustable first level coupled section 221 and cover board 3
Distance, thirdly above three coupled section 21 can be adjusted simultaneously and reached.
The horizontal coupled section 223 of the vertical coupled section 213 of the third being successively linked in sequence, third and the 4th vertical coupled section 214
In same plane, and it is located near the resonator 15 of the second resonant cavity 13.It can similarly obtain, these three coupled sections 21 enclose jointly
It is identical as the above-mentioned working principle of the first open loop region 215 at the second open loop region 224, it may be implemented to adjust two resonators
Coupling amount size between 15.
Second horizontal coupled section 222 is located at the center of coupling window 14, and the second horizontal coupled section 222 is close to coupling window
The bottom of mouth 14.Correspondingly, the second horizontal coupled section 222 is by adjusting it at a distance from the bottom of coupling window 14, Ke Yigai
Become the coupling amount size between two resonators 15.
It is worth noting that, when each section of total length of coupling regulating part 2 is more than the 1/2 of the resonance frequency wavelength of resonator 15
When, it is inductive coupled that provided capacitive coupling, which can be denaturalized,.
In the present embodiment, coupled section 21 is made of the sheet material of metal quality or wire rod.Specifically, coupled section 21 can adopt
Bending and molding again is cut with copper sheet, and the connecting pin 22 of two coupled sections 21 of head and the tail is fixed on by cavity 1 by screw
On bottom wall, and form electrical ground, other parts not with cavity 1 or other device contacts.In addition, copper can also be used in coupled section 21
Line or the direct bending and molding of silver wire, and installation is fixed by welding.The structure of coupled section 21 is simple, easily fabricated and peace
Dress, cost is relatively low.
Embodiment two
Referring to figure 3., Fig. 3 shows the specific structure of another cavity body filter 100 provided in this embodiment.With implementation
Example one is compared, and coupling regulating part 2 is also additionally arranged Liang Ge branch coupled section 5.
Liang Ge branch coupled section 5 is respectively correspondingly arranged in the first resonant cavity 13 and the second resonant cavity 13, and each branch couples
Section 5 is equipped with a connecting pin 22.Abutting end is connected with the bottom of corresponding resonant cavity 13.As shown in Fig. 2, one of branch's coupling
It closes section 5 to be overlapped in the second vertical coupled section 212, another branch's coupled section 5 is overlapped in the vertical coupled section 213 of third.Its
Effect is: the area of the open loop region relative to resonator 15 is increased, so that more magnetic flux lines pass through, to reach more
Big capacitive coupling amount.By above-mentioned it is found that variation of the branch's coupled section 5 by own dimensions or shape, adjusts itself and two
The distance between resonator 15 or the distance between itself and cover board 3, or it is adjusted simultaneously between resonator 15 and cover board 3
Distance, to realize the purpose for adjusting the coupling amount between two resonators 15.
Although describing the utility model with reference to several exemplary embodiments, it is to be understood that, term used is to say
Term bright and exemplary, and not restrictive.Since the utility model can be embodied in a variety of forms without departing from practical
Novel spirit or essence it should therefore be appreciated that above embodiment is not limited to any of the foregoing details section, and should be weighed in accompanying
It is widely explained in spirit and scope defined by benefit requirement, therefore falls into whole variations in claim or its equivalent scope
It all should be appended claims with remodeling to be covered.
Claims (10)
1. a kind of cavity body filter characterized by comprising
Cavity, top have an opening；Barrier rib is equipped in the cavity, inside cavity is separated into multiple by the barrier rib
Resonant cavity；The coupling window for being connected to adjacent two resonant cavity is offered on the barrier rib；It is right in each resonant cavity
Resonator should be equipped with；
Cover board is covered in the opening, for sealing the cavity；
Coupling tuning screw rod protrudes into the coupling window through the cover board, and the length protruded into coupling window is adjustable；
Couple regulating part comprising the connected multiple coupled sections of bending；The end of two coupled sections is respectively connecting pin from beginning to end,
Two connecting pins are respectively correspondingly connect with the bottom of the two neighboring resonant cavity；The coupled section passes through the coupling
Window；The distance between the coupled section and two resonators and/or the cover board are adjustable.
2. cavity body filter according to claim 1, it is characterised in that:
The multiple coupled section includes multiple vertical coupled sections and multiple horizontal coupled sections；
Multiple vertical coupled section intervals and dislocation arrangement, the vertical coupled section is parallel to the axis of the resonator；It is more
A horizontal coupled section misplaces arrangement up and down, and the both ends of a horizontal coupled section with two neighboring for vertical coupling
Section connection；The horizontal coupled section and the distance between the cover board are adjustable；Between the vertical coupled section and the resonator
Distance it is adjustable.
3. cavity body filter according to claim 2, it is characterised in that:
The vertical coupled section includes the first vertical coupled section, the second vertical coupled section, the vertical coupled section of third being successively spaced
With the 4th vertical coupled section；The horizontal coupled section include the first level coupled section being successively spaced, the second horizontal coupled section with
The horizontal coupled section of third；
Two adjacent resonant cavities are respectively the first resonant cavity and the second resonant cavity；
The bottom end of the first vertical coupled section is one of them described connecting pin, and the first vertical coupled section passes through the connection
End is connect with the bottom of first resonant cavity, near the resonator that is arranged in first resonant cavity；
The both ends of the first level coupled section are connected to the top and described second of the described first vertical coupled section vertically
The top of coupled section connects；The both ends of the second horizontal coupled section be connected to the described second vertical coupled section bottom end and
The both ends of the bottom end of the vertical coupled section of third, the horizontal coupled section of third are connected to the vertical coupled section of the third
Top and the 4th vertical coupled section top；
The bottom end of the 4th vertical coupled section is another described connecting pin, and the 4th vertical coupled section passes through the connecting pin
It is connect with the bottom of second resonant cavity, near the resonator that is arranged in second resonant cavity.
4. cavity body filter according to claim 3, it is characterised in that:
The first vertical coupled section, the second vertical coupled section and the first level coupled section are in same plane,
And it is located in first resonant cavity；And the first vertical coupled section and the second vertical coupled section with to be located at this first humorous
The distance between the intracavitary resonator that shakes is adjustable；
The vertical coupled section of the third, the 4th vertical coupled section and the horizontal coupled section of the third are in same plane,
And it is located in second resonant cavity；And the vertical coupled section of third and the 4th vertical coupled section with to be located at this second humorous
The distance between the intracavitary resonator that shakes is adjustable.
5. cavity body filter according to claim 3, it is characterised in that:
The second horizontal coupled section is located at the coupling window.
6. cavity body filter according to claim 1, it is characterised in that:
The coupling regulating part further includes multiple branch's coupled sections, and each branch's coupled section is overlapped in the coupled section；Respectively
Branch's coupled section has an abutting end, and the abutting end is connect with the bottom of the resonant cavity；Branch's coupled section with
The distance between two resonators and/or the cover board are adjustable.
7. cavity body filter according to claim 1, it is characterised in that:
The connecting pin of the coupled section can be welded with the bottom of the resonant cavity.
8. cavity body filter according to claim 1, it is characterised in that:
The connecting pin of the coupled section can be fixedly connected by screw with the bottom of the resonant cavity.
9. cavity body filter according to claim 1, it is characterised in that:
The coupled section is made of the sheet material of metal quality or wire rod.
10. cavity body filter according to claim 1, it is characterised in that:
The resonator includes resonant column and cavity tuning screw；
The resonant column is fixedly arranged in the resonant cavity, and center offers axially extending bore；The cavity tuning screw by with
The cover board is threadedly coupled, and is set to the top of the resonant column；The cavity tuning screw can actively protrude into the axis
Into through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535005.4U CN208674339U (en) | 2018-09-19 | 2018-09-19 | Cavity body filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535005.4U CN208674339U (en) | 2018-09-19 | 2018-09-19 | Cavity body filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208674339U true CN208674339U (en) | 2019-03-29 |
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ID=65842524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821535005.4U Active CN208674339U (en) | 2018-09-19 | 2018-09-19 | Cavity body filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397856A (en) * | 2019-08-14 | 2021-02-23 | 昆明盘甲科技有限公司 | Dielectric filter coupling structure with capacitive coupling characteristic |
-
2018
- 2018-09-19 CN CN201821535005.4U patent/CN208674339U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397856A (en) * | 2019-08-14 | 2021-02-23 | 昆明盘甲科技有限公司 | Dielectric filter coupling structure with capacitive coupling characteristic |
| CN112397856B (en) * | 2019-08-14 | 2021-10-29 | 昆明盘甲科技有限公司 | Dielectric filter coupling structure with capacitive coupling characteristic |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cavity filter Effective date of registration: 20200930 Granted publication date: 20190329 Pledgee: Shenzhen Shendan Zengcheng Financing Guarantee Co.,Ltd. Pledgor: MOBI ANTENNA TECHNOLOGIES (SHENZHEN) Co.,Ltd.|MOBI TELECOMMUNICATIONS TECHNOLOGIES (JI'AN) Co.,Ltd.|MOBI TECHNOLOGIES (XI'AN) Co.,Ltd.|MOBI TECHNOLOGY (SHENZHEN) Co.,Ltd. Registration number: Y2020990001188 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230526 Granted publication date: 20190329 Pledgee: Shenzhen Shendan Zengcheng Financing Guarantee Co.,Ltd. Pledgor: MOBI ANTENNA TECHNOLOGIES (SHENZHEN) Co.,Ltd.|MOBI TELECOMMUNICATIONS TECHNOLOGIES (JI'AN) Co.,Ltd.|MOBI TECHNOLOGIES (XI'AN) Co.,Ltd.|MOBI TECHNOLOGY (SHENZHEN) Co.,Ltd. Registration number: Y2020990001188 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |