CN105340125B - TM mode dielectric filter - Google Patents
TM mode dielectric filter Download PDFInfo
- Publication number
- CN105340125B CN105340125B CN201480013062.4A CN201480013062A CN105340125B CN 105340125 B CN105340125 B CN 105340125B CN 201480013062 A CN201480013062 A CN 201480013062A CN 105340125 B CN105340125 B CN 105340125B
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- Prior art keywords
- hole
- screw rod
- cover plate
- housing
- bottom plate
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
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- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The embodiment of the present invention provides a kind of TM mode dielectric filter, pass through the centrally disposed first through hole of cover plate, there is the second through hole being oppositely arranged with first through hole on the bottom plate of housing, first through hole in the second through hole with wearing a screw rod, the TM mould media of cylinder are fixed between cover plate and the bottom plate of housing by the two ends of screw rod with the configuration of adjustable locking device respectively, thus, it is possible to persistently ensure that the two ends of TM mould media are effectively contacted with the cover plate of wave filter and the bottom plate of housing respectively.
Description
Technical field
The present embodiments relate to microwave regime, more particularly to a kind of TM mode dielectric filter.
Background technology
Horizontal magnetic (Transverse Magnetic, hereinafter referred to as：TM) mould dielectric filter, is radio frequency front-end filter drop
The characteristics of one developing direction of volume, TM mould dielectric filters is TM mould two sides earths, therefore also referred to as, TM mould both-ends connect
Ground wave filter, as shown in Figure 1.Fig. 1 is a kind of structural representation of prior art TM mould dielectric filters, wherein, frequency regulation
Bar 101 is used for regulating frequency, and TM mould two sides earths refer to the cover plate 102 and tool of the two ends of TM moulds medium 103 respectively with wave filter
Have the contacts baseplate of the housing 104 of cavity, in order to ensure the two ends of TM moulds medium 103 respectively with the cover plate of wave filter and housing
Bottom plate effectively contacts that (effectively contact is that the effect of abutment ensure that radio-frequency performance, such as：Loss and intermodulation long-term work are met
Specification requirement), in the prior art using the structure shown in Fig. 2, Fig. 2 is the knot of another TM moulds dielectric filter in the prior art
Structure schematic diagram, as shown in Fig. 2 wherein, adjusting screw rod 203 is locked by nut 208, the two ends of TM moulds medium 204 are fixed respectively
On the connecting seat 202 with conducting function and connecting seat 206, a resonator is constituted, above-mentioned resonator is assembled to wave filter
Cavity 205 in, the slightly above depth of cavity 205, cover plate 201 (e.g., will by fastening the screw 207 of cover plate by predeformation
Cover plate is fixed with cavity) it is assembled on cavity, ensure the cover plate and housing of medium two ends and wave filter by the predeformation of cover plate 201
Bottom plate effectively contact.
However, prior art is produced to TM mould medium thrusts by cover plate predeformation, so that, it is ensured that TM mould media two ends
Effectively contacted with the cover plate of wave filter and the bottom plate of housing.But, this structure is changed over time, the predeformation generation of cover plate
Thrust diminishes, it is impossible to persistently ensure that the two ends of medium are effectively contacted with the cover plate of wave filter and the bottom plate of housing respectively.
The content of the invention
The embodiment of the present invention provides a kind of TM mode dielectric filter, with the two ends of lasting guarantee medium respectively with wave filter
Cover plate and the bottom plate of housing effectively contact.
First aspect of the embodiment of the present invention provides a kind of TM mode dielectric filter, including：Housing, cover plate with cavity
With the horizontal magnetic TM mould media of cylinder, the centrally disposed first through hole of the cover plate has on the bottom plate of the housing and described the
The second through hole that one through hole is oppositely arranged, the first through hole in second through hole with wearing a screw rod, the screw rod bag
At least two parts are included, wherein, the screw rod is conductive material close to the part of the cover plate, and the screw rod is removed close to the cover plate
Part outside at least a portion be non-conducting material, the screw rod has a two ends, and wherein the cover plate, the other end are protruded in one end
Protrude the bottom plate of the housing；
The two ends of the screw rod coordinate with adjustable locking device respectively is fixed on institute by the TM mould media of the cylinder
Between the bottom plate for stating cover plate and the housing.
With reference in a first aspect, in the first possible implementation of first aspect, the screw rod is removed close to the lid
At least a portion outside the part of plate is elastomeric material.
With reference to the first possible implementation of first aspect or first aspect, second in first aspect is possible
In implementation, the non-conducting material includes：It is acrylonitrile-butadiene-styrene copolymer ABS, PEI PEI, poly-
Carbonic ester PC, polyamide PA, polythene PE, polypropylene PP, polyformaldehyde POM, rubber or ceramics etc..
With reference to the first or second of possible implementation of first aspect or first aspect, the 3rd of first aspect the
In kind possible implementation, the first through hole has smooth in internal thread, second through hole, the screw rod and described the
One through hole contact portion has external screw thread, the screw rod and the external screw thread and the first through hole of the first through hole contact portion
Internal thread match.
With reference to first aspect or first aspect the first into the third possible implementation any possible reality
Existing mode, in the 4th kind of possible implementation of first aspect, the two ends of the screw rod all have screw thread；
Adjustable locking device is nut.
With reference to the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation of first aspect
In, elastomeric pad is provided between the cover plate and the nut, bullet is provided between the bottom plate of the housing and the nut
Property pad.
Second aspect of the embodiment of the present invention provides a kind of TM mode dielectric filter, including：Housing, cover plate with cavity
With the horizontal magnetic TM mould media of cylinder, the centrally disposed first through hole of the cover plate wears a screw rod, institute in the first through hole
Stating screw rod has two ends, wherein, one end is fixedly connected with the center of the bottom plate of the housing, the other end protrude the first through hole with
Adjustable locking device, which coordinates, is fixed on the TM moulds medium between the bottom plate of the cover plate and the housing；Or, institute
State and a screw rod is worn in the centrally disposed first through hole of the bottom plate of housing, the first through hole, the screw rod there are two ends, its
In, one end is fixedly connected with the center of the cover plate, and the other end protrudes the first through hole and coordinated with adjustable locking device
The TM moulds medium is fixed between the bottom plate of the cover plate and the housing；
The screw rod includes at least two parts, wherein, the screw rod is conductive material close to the part of the first through hole,
At least a portion of the screw rod in addition to close to the part of the first through hole is non-conducting material.
With reference to second aspect, in the first possible implementation of second aspect, the screw rod is removed close to described the
At least a portion outside the part of one through hole is elastomeric material.
TM mode dielectric filter provided in an embodiment of the present invention, passes through a centrally disposed first through hole for cover plate, housing
Bottom plate on there is the second through hole for being oppositely arranged with first through hole, first through hole in the second through hole with wearing a screw rod, screw rod
Two ends respectively with adjustable locking device configuration the TM mould media of cylinder are fixed between cover plate and the bottom plate of housing, by
Then the two ends of screw rod are respectively cooperating with the bottom plate that the TM mould media of cylinder are fixed on cover plate and housing by adjustable locking device
Between, this fixed form have be difficult loosen characteristic, therefore, it is possible to lasting guarantee TM mould media two ends respectively with filtering
The cover plate of device and the bottom plate of housing are effectively contacted.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of structural representation of prior art TM mould dielectric filters；
Fig. 2 is the structural representation of another TM moulds dielectric filter in the prior art；
Fig. 3 is the structural representation of TM mode dielectric filter embodiment one of the present invention；
Fig. 4 is a kind of screw-rod structure schematic diagram of TM mode dielectric filter embodiment of the present invention；
Fig. 5 is another screw-rod structure schematic diagram of TM mode dielectric filter embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The present invention contacts to solve TM mould medium two ends with the cover plate of wave filter and the bottom plate continuous and effective of housing, passes through
The mode of screw rod fastening is realized.
Technical scheme is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and may be repeated no more for same or analogous concept or process in some embodiments.
Fig. 3 is the structural representation of TM mode dielectric filter embodiment one of the present invention, as shown in figure 3, the present embodiment
TM mode dielectric filter, including：The TM moulds medium 303 of housing 301, cover plate 302 and cylinder with cavity, wherein, cover plate
There is the second through hole being oppositely arranged with first through hole 304 on 302 centrally disposed first through hole 304, the bottom plate of housing 301
305, a screw rod 306 is worn in the through hole 305 of first through hole 304 and second, screw rod 306 at least includes conductive and non-conductive two
Point (Fig. 3 using 3 parts for exemplify), wherein, screw rod 306 is conductive material close to the part 307 of cover plate 302, and screw rod removes close
At least a portion outside the part 307 of cover plate 302 is non-conducting material, and other parts can be conductive material or non-conductive material
Material, screw rod 306 has two ends, wherein, the cover plate 302 is protruded in one end, and the other end protrudes the screw rod 306 of bottom plate 308 of the housing
Two ends coordinate respectively with adjustable locking device (using nut to exemplify in Fig. 3, respectively nut 309 and nut 310)
The TM moulds medium 303 of cylinder is fixed between the bottom plate of cover plate 302 and housing 301.
Wherein, non-conducting material can be：Acrylonitrile-butadiene-styrene copolymer (Acrylonitrile
Butadiene Styrene copolymers, hereinafter referred to as：ABS), PEI (Polyetherimide, below letter
Claim：PEI), makrolon (Polycarbonate, hereinafter referred to as：PC), polyamide (polyamide, hereinafter referred to as：PA), gather
Ethene (polyethylene, hereinafter referred to as：PE), polypropylene (Polypropylene, hereinafter referred to as：PP), polyformaldehyde
(Polyoxymethylene, hereinafter referred to as：POM), rubber (Rubber) or ceramics etc..
In the present embodiment, frequency adjusting rod of the current-carrying part equivalent to wave filter of screw rod, the two ends of screw rod respectively with can
The TM mould media of cylinder are fixed between cover plate and the bottom plate of housing by the locking device configuration of regulation, due to being the two ends of screw rod
It is respectively cooperating with adjustable locking device the TM mould media of cylinder are fixed between cover plate and the bottom plate of housing, this fixation side
Formula has the characteristic for being difficult to loosen, therefore, it is possible to the two ends cover plate and housing respectively with wave filter of lasting guarantee TM mould media
Bottom plate effectively contact.
In the above-described embodiments, the two ends of screw rod can have screw thread, and adjustable locking device can be nut, screw rod
Housing is inwardly tensed with cover plate by the nut at two ends, tenses and the bottom plate of cover plate and housing firmly presses TM moulds medium
Tightly, due to screw rod and nut check mode, with the characteristic for being difficult to loosen, thus, it is possible to persistently ensure the two ends of TM mould media
Effectively contacted with the cover plate of wave filter and the bottom plate of housing respectively.
In the above-described embodiments, in order to further, it is ensured that the cover plate and shell of the two ends of TM mould media respectively with wave filter
The bottom plate of body effectively contacts effect, and the structure of screw rod can set as follows：Screw rod includes at least two parts, wherein, screw rod is close
The part of cover plate is non-elastic material, and at least a portion of screw rod in addition to close to the part of cover plate is elastomeric material；Elastic material
Material can by elasticity media implementation, or by elastic construction (for example：Spring) realize, enter below by taking two screw-rod structures as an example
Row description, Fig. 4 is a kind of screw-rod structure schematic diagram of TM mode dielectric filter embodiment of the present invention, as shown in figure 4, this implementation
The screw-rod structure of example includes 3 parts, is respectively conductive non-elastic material part 401, elastomeric sections 402 (spring), no
Current-carrying part 403, non electrically conductive material can be ABS, PEI, PC, PA, PE, PP, POM or ceramics etc..Fig. 5 is horizontal magnetic of the invention
Another screw-rod structure schematic diagram of mould dielectric filter embodiment, as shown in figure 5, the screw-rod structure of the present embodiment includes conduction
Non-elastic material part 501, non-conducting portion 502 and elastic part 503.Fig. 4 and Fig. 5 are only by three parts with a screw rod
The explanation carried out exemplified by composition, it is to be understood that screw rod can also be grouped into by an entirety, two parts or multi-section, right
This, the present invention is not limited.Because at least a portion of screw rod in addition to close to the part of cover plate is elastomeric material；Inside screw
Inside pulling force can be maintained always, and the pulling force causes the bottom plate of cover plate and housing to apply inside pressure to TM moulds medium always
Power, so that, reach TM moulds medium effectively being contacted with the bottom plate of cover plate and housing reliably and with long-term.Also, the elastic part of screw rod
It is that, in locking nut, can adjust locking torque size also to bring a benefit, reaches that the pressure for being applied to TM mould media is
Adjustable effect, so that, it is ensured that the two ends of TM mould media are effectively contacted with the bottom plate of cover plate and housing.
In the above-described embodiments, in order to further, it is ensured that the two ends of TM mould media respectively with the cover plate of wave filter and
The bottom plate of housing effectively contacts and internal thread is provided with effect, first through hole, and smooth in the second through hole, screw rod connects with first through hole
Contact portion point has external screw thread, and screw rod matches with the external screw thread of first through hole contact portion with the internal thread of first through hole, this
Set-up mode at least has the following advantages that, Yi Zhongshi, the depth that can be entered with adjusting screw rod, while ensureing that screw rod is fixed with nut
Stability, another to be, the nut collective effect at screw rod two ends, it is ensured that spring has inside drawing to the inside of screw rod all the time
Power.
In the above-described embodiments, in order to further, it is ensured that the two ends of TM mould media respectively with the cover plate of wave filter and
The bottom plate of housing effectively contacts effect, and elastomeric pad can also be set between cover plate and nut, in the bottom plate and nut of housing
Between be provided with elastomeric pad, the effect of elastomeric pad is to prevent nut loosening.
In the various embodiments described above, because the two ends by screw rod coordinate cylinder with adjustable locking device respectively
TM mould media are fixed between cover plate and the bottom plate of housing, persistently ensure the two ends of TM mould media respectively with the cover plate of wave filter and
The bottom plate of housing is effectively contacted, in addition, and this mode need not be welded to TM mould media, it is not required that cover plate is pre-
Deformation, reduces the processing technology of part, simultaneously as by the way of screw rod and nut fastening, can directly absorb engineering
Error, reduces the machining accuracy to TM moulds medium, housing and cover plate, reaches the effect of reduction production cost.
The present invention also provides a kind of TM mode dielectric filter embodiment, and unlike embodiment illustrated in fig. 3, in Fig. 3
In illustrated embodiment, configured respectively with adjustable locking device by the two ends of screw rod and the TM mould media of cylinder are fixed on lid
Between plate and the bottom plate of housing.In a kind of TM mode dielectric filter embodiment that the present invention is also provided, one end of screw rod is consolidated
The center of the bottom plate of housing or the center of cover plate are scheduled on, for example：Fixed by way of welding, the other end of screw rod by with can
The locking device of regulation, which coordinates, is fixed on the TM mould media of cylinder between cover plate and the bottom plate of housing.It is specific as follows：
Above-mentioned TM mode dielectric filter includes：In the TM mould media of housing, cover plate and cylinder with cavity, cover plate
The heart sets in first through hole, first through hole and wears a screw rod, and above-mentioned screw rod has two ends, wherein, one end and the bottom of above-mentioned housing
The center of plate is fixedly connected (for example：The mode of welding), the other end protrudes above-mentioned first through hole matches somebody with somebody with adjustable locking device
Above-mentioned TM moulds medium is fixed between the bottom plate of above-mentioned cover plate and above-mentioned housing by conjunction；Or, the center of the bottom plate of above-mentioned housing
Set in first through hole, above-mentioned first through hole and wear a screw rod, above-mentioned screw rod there are two ends, wherein, one end and above-mentioned cover plate
Center is fixedly connected, and the other end protrudes above-mentioned first through hole and is fixed on above-mentioned TM moulds medium with the cooperation of adjustable locking device
Between the bottom plate of above-mentioned cover plate and above-mentioned housing；Above-mentioned screw rod includes at least two parts, wherein, above-mentioned screw rod is close to above-mentioned first
The part of through hole is conductive material, and at least a portion of above-mentioned screw rod in addition to close to the part of above-mentioned first through hole is non-conductive
Material.
Wherein, non-conducting material can be：ABS, PEI, PC, PA, PE, PP, POM, rubber (Rubber) or ceramics etc..
In the above-described embodiments, at least a portion of screw rod in addition to close to the part of above-mentioned first through hole is elastic material
Material.
In above-described embodiment, one end of screw rod protrusion first through hole can have screw thread, and adjustable locking device can be with
It is nut, screw thread and the nut for protruding one end of first through hole coordinate TM mould media being fixed on above-mentioned cover plate and above-mentioned housing
Between bottom plate.
The present embodiment is fixedly installed due to one end of screw rod, and other end protrusion first through hole is matched somebody with somebody with adjustable locking device
Above-mentioned TM moulds medium is fixed between the bottom plate of above-mentioned cover plate and above-mentioned housing by conjunction, and this fixed form, which has, is difficult what is loosened
Characteristic, the two ends therefore, it is possible to lasting guarantee TM mould media are effectively contacted with the cover plate of wave filter and the bottom plate of housing respectively.Its
The technique effect that his technical characteristic is brought is similar with the technique effect of embodiment illustrated in fig. 3, will not be repeated here.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (8)
1. a kind of TM mode dielectric filter, including：The horizontal magnetic TM mould media of housing, cover plate and cylinder with cavity, it is special
Levy and be, the centrally disposed first through hole of the cover plate has on the bottom plate of the housing and is oppositely arranged with the first through hole
The second through hole, wear a screw rod in the first through hole and second through hole, the screw rod includes at least two parts, its
In, the screw rod close to the part of the cover plate be conductive material, the screw rod except close to the cover plate part in addition to extremely
A few part is non-conducting material, and the screw rod has two ends, and the cover plate is protruded in wherein one end, and the other end protrudes the housing
Bottom plate；
The two ends of the screw rod coordinate with adjustable locking device respectively is fixed on the lid by the TM mould media of the cylinder
Between the bottom plate of plate and the housing.
2. TM mode dielectric filter according to claim 1, it is characterised in that the screw rod is removed close to the cover plate
At least a portion outside part is elastomeric material.
3. TM mode dielectric filter according to claim 1 or 2, it is characterised in that the non-conducting material includes：Third
Alkene nitrile-SB ABS, PEI PEI, polycarbonate, polyamide PA, polythene PE, polypropylene
PP, polyformaldehyde POM, rubber or ceramics etc..
4. TM mode dielectric filter according to claim 1 or 2, it is characterised in that the first through hole has interior spiral shell
Smooth in line, second through hole, the screw rod and the first through hole contact portion have an external screw thread, the screw rod with it is described
The external screw thread of first through hole contact portion matches with the internal thread of the first through hole.
5. TM mode dielectric filter according to claim 1 or 2, it is characterised in that the two ends of the screw rod all have
Screw thread；
Adjustable locking device is nut.
6. TM mode dielectric filter according to claim 5, it is characterised in that set between the cover plate and the nut
Elastomeric pad is equipped with, elastomeric pad is provided between the bottom plate of the housing and the nut.
7. a kind of TM mode dielectric filter, including：The horizontal magnetic TM mould media of housing, cover plate and cylinder with cavity, it is special
Levy and be, the centrally disposed first through hole of the cover plate wears a screw rod in the first through hole, the screw rod there are two ends,
Wherein, one end is fixedly connected with the center of the bottom plate of the housing, and the other end protrudes the first through hole and adjustable locking
Device, which coordinates, is fixed on the TM moulds medium between the bottom plate of the cover plate and the housing；Or, the bottom plate of the housing
Centrally disposed first through hole, wear a screw rod in the first through hole, the screw rod has two ends, wherein, one end with it is described
The center of cover plate is fixedly connected, and the other end protrudes the first through hole and coordinated with adjustable locking device by the TM moulds medium
Between the bottom plate for being fixed on the cover plate and the housing；
The screw rod includes at least two parts, wherein, the screw rod is conductive material close to the part of the first through hole, described
At least a portion of screw rod in addition to close to the part of the first through hole is non-conducting material.
8. TM mode dielectric filter according to claim 7, it is characterised in that the screw rod is removed to be led to close to described first
At least a portion outside the part in hole is elastomeric material.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/077561 WO2015172356A1 (en) | 2014-05-15 | 2014-05-15 | Transverse magnetic mode dielectric filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105340125A CN105340125A (en) | 2016-02-17 |
| CN105340125B true CN105340125B (en) | 2017-09-29 |
Family
ID=54479176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480013062.4A Active CN105340125B (en) | 2014-05-15 | 2014-05-15 | TM mode dielectric filter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105340125B (en) |
| WO (1) | WO2015172356A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3365538A (en) * | 1964-04-17 | 1968-01-23 | Siemens Ag | Superconducting wire for conducting high-intensity currents |
| US20110001585A1 (en) * | 2007-08-30 | 2011-01-06 | John David Rhodes | tuneable filter and a method of tuning such a filter |
| CN201804987U (en) * | 2010-06-29 | 2011-04-20 | 深圳市威富通讯技术有限公司 | Dielectric fixing device of TM (transverse magnetic) mode dielectric filter |
| CN102368574A (en) * | 2011-10-31 | 2012-03-07 | 华为技术有限公司 | TM (Transverse Magnetic) mode dielectric filter |
| EP2538487A1 (en) * | 2011-06-24 | 2012-12-26 | CommScope Italy S.r.l. | Temperature-independent dielectric resonator |
| CN103151581A (en) * | 2012-11-30 | 2013-06-12 | 摩比天线技术（深圳）有限公司 | Transverse magnetic (TM) mold dielectric filter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06216608A (en) * | 1993-01-14 | 1994-08-05 | Nec Corp | Waveguide type bandpass filter |
| US5459123A (en) * | 1994-04-08 | 1995-10-17 | Das; Satyendranath | Ferroelectric electronically tunable filters |
| US8773222B2 (en) * | 2008-01-31 | 2014-07-08 | Telefonaktiebolaget L M Ericsson (Publ) | Filter assembly |
-
2014
- 2014-05-15 CN CN201480013062.4A patent/CN105340125B/en active Active
- 2014-05-15 WO PCT/CN2014/077561 patent/WO2015172356A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3365538A (en) * | 1964-04-17 | 1968-01-23 | Siemens Ag | Superconducting wire for conducting high-intensity currents |
| US20110001585A1 (en) * | 2007-08-30 | 2011-01-06 | John David Rhodes | tuneable filter and a method of tuning such a filter |
| CN201804987U (en) * | 2010-06-29 | 2011-04-20 | 深圳市威富通讯技术有限公司 | Dielectric fixing device of TM (transverse magnetic) mode dielectric filter |
| EP2538487A1 (en) * | 2011-06-24 | 2012-12-26 | CommScope Italy S.r.l. | Temperature-independent dielectric resonator |
| CN102368574A (en) * | 2011-10-31 | 2012-03-07 | 华为技术有限公司 | TM (Transverse Magnetic) mode dielectric filter |
| CN103151581A (en) * | 2012-11-30 | 2013-06-12 | 摩比天线技术（深圳）有限公司 | Transverse magnetic (TM) mold dielectric filter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015172356A1 (en) | 2015-11-19 |
| CN105340125A (en) | 2016-02-17 |
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