CN201749935U - Medium syntonizer, elastic conductive shielding piece and medium filter - Google Patents
Medium syntonizer, elastic conductive shielding piece and medium filter Download PDFInfo
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- CN201749935U CN201749935U CN2010201389546U CN201020138954U CN201749935U CN 201749935 U CN201749935 U CN 201749935U CN 2010201389546 U CN2010201389546 U CN 2010201389546U CN 201020138954 U CN201020138954 U CN 201020138954U CN 201749935 U CN201749935 U CN 201749935U
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Abstract
The utility model discloses a medium syntonizer, an elastic conductive shielding piece and a medium filter, the medium syntonizer of the embodiment comprises a medium resonant column and a cavity body, the medium resonant column is disposed in the cavity body, and also includes: an elastic conductive shielding piece, the elastic conductive shielding piece seals the cavity body to form a resonant cavity, the elastic conductive shielding piece contacts with the medium resonant column elastically, so the upper surface of the medium resonant column is directly grounded and switched into conduction through the elastic conductive shielding piece. Because the elastic conductive shielding piece is directly adopted to seal the cavity body to form the resonant cavity, the elastic conductive shielding piece replaces the function of the original cover plate, the product cost is reduced, meanwhile, the upper surface of the medium resonant column is directly grounded through the elastic conductive shielding piece, the grounding is more reliable, and performance indexes of the medium syntonizer are improved.
Description
Technical field
The present invention relates to the dielectric filter technical field, be specifically related to dielectric resonator, flexible conductive shielding part and dielectric filter.
Background technology
Dielectric filter utilize low-loss, high-k, frequency-temperature coefficient and the thermal coefficient of expansion of medium ceramic material little, can bear that characteristics such as high power design and produce, it is good to be characterized in inserting little, the anti-power of loss.
Referring to Fig. 1, this figure is the schematic diagram of TM (transverse magnetic, horizontal magnetic) mould dielectric filter, mainly is made up of dielectric resonance post 101 and metallic cavity 102.The dielectric resonance post upper and lower end face ground connection of resonator is well very important in the TM mould dielectric filter, otherwise can influence the performance of filter.
Existing another kind of dielectric filter is referring to Fig. 2.This dielectric resonator comprises dielectric resonance post 202 and metallic cavity 204.Described dielectric resonance post 202 is positioned at described housing, and the bottom surface of dielectric resonance post 202 contacts with the bottom surface of described housing.Described dielectric resonator also comprises: cover plate 203 and conductive elastomer 201.Described cover plate 203 is positioned at the upper surface of described metallic cavity 204, and promptly the top, chamber is used to seal described metallic cavity 304.Described conductive elastomer 201 is used to make sealing contact between the medium of described cover plate 203 and dielectric resonance post 202 between described cover plate 203 and described dielectric resonance post 202.Dielectric resonance post 202 is grounded by shielding cover board 203.
In research process to prior art, inventor people finds, in the prior art, in order to solve the problem with grounding of dielectric resonance post upper surface, adopted conductive elastomer, contact with cover plate by conductive elastomer, again by cavity ground connection, but in installation process, because the factors such as manufacturing defect, unbalance stress, variations in temperature and rigging error of girth member and conductive elastomer, be difficult to guarantee the tight contact between dielectric resonance post and the girth member, and then make dielectric resonance post upper surface ground connection reliably.
Summary of the invention
The embodiment of the invention provides dielectric resonator, flexible conductive shielding part and dielectric filter, can be so that the ground connection of dielectric resonance post upper surface is more reliable.
A kind of dielectric resonator that the embodiment of the invention provides, comprise dielectric resonance post, cavity, described dielectric resonance post is arranged in the described cavity, also comprise: flexible conductive shielding part, described flexible conductive shielding part seals described cavity and forms resonant cavity, described flexible conductive shielding part and described dielectric resonance post Elastic Contact make dielectric resonance post upper surface by the direct earth-continuity of described flexible conductive shielding part.
A kind of flexible conductive shielding part that the embodiment of the invention provides, be applied to dielectric filter, described flexible conductive shielding part seals described cavity and forms resonant cavity, flexible conductive shielding part comprises elasticity blind zone and common blind zone, described elasticity blind zone is provided with through hole, be used for screw and pass described through hole, the common blind zone of described flexible conductive shielding part is lock onto between described girth member and the cavity, realize the sealing of flexible conductive shielding part cavity.
A kind of dielectric filter that the embodiment of the invention provides, comprise cavity and dielectric resonance post, also comprise: the integral, flexible conductive shielding part, described flexible conductive shielding part seals described cavity and forms resonant cavity, each dielectric resonance post Elastic Contact in described flexible conductive shielding part and the described cavity makes dielectric resonance post upper surface by the direct earth-continuity of described flexible conductive shielding part.
Dielectric resonator in the embodiment of the invention, comprise dielectric resonance post, cavity, described dielectric resonance post is arranged in the described cavity, also comprise: flexible conductive shielding part, described flexible conductive shielding part seals described cavity and forms resonant cavity, described flexible conductive shielding part and described dielectric resonance post Elastic Contact make dielectric resonance post upper surface by the direct earth-continuity of described flexible conductive shielding part.Because having flexible conductive shielding part, direct employing seals described cavity formation resonant cavity, substituted the function of original cover plate, reduced the cost of design, dielectric resonance post upper surface is directly by described flexible conductive shielding part ground connection simultaneously, ground connection is more reliable, has improved the performance index of dielectric resonator.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of prior art TM mould dielectric filter;
Fig. 2 is the structural representation of another prior art TM mould dielectric filter;
Fig. 3 (a) is the structural representation of the embodiment of the invention one dielectric resonator;
Fig. 3 (b) is the structural representation of the embodiment of the invention one another dielectric resonator;
Fig. 4 is the structural representation of the flexible conductive shielding part of embodiment of the invention second medium resonator use;
Fig. 5 is the structural representation of the flexible conductive shielding part of the embodiment of the invention three dielectric filters use;
Fig. 6 (a) is the cross-sectional view of the embodiment of the invention four dielectric filters;
Fig. 6 (b) is the perspective view of the embodiment of the invention four dielectric filters.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The invention provides a kind of dielectric resonator, comprise dielectric resonance post, cavity, described dielectric resonance post is arranged in the described cavity, also comprise: flexible conductive shielding part, described flexible conductive shielding part seals described cavity and forms resonant cavity, described flexible conductive shielding part and described dielectric resonance post Elastic Contact make dielectric resonance post upper surface by the direct earth-continuity of described flexible conductive shielding part.The elasticity of flexible conductive shielding part makes that under the situation of variations in temperature dielectric resonance post and flexible conductive shielding part keep excellent contact, have realized the good earth of dielectric resonance post upper surface, thereby have improved filtering performance.
Below in conjunction with embodiment dielectric resonator provided by the invention is described in detail.
Embodiment one, a kind of dielectric resonator, structural representation comprises shown in Fig. 3 (a):
Shown in Fig. 3 (b), the dielectric resonance post 310 that present embodiment provides, can also comprise: girth member 330, concrete flexible conductive shielding part 340 can comprise elasticity blind zone 341 and common blind zone 342, the common blind zone of flexible conductive shielding part is provided with through hole, screw 331 passes described through hole, the common blind zone 342 of described flexible conductive shielding part 340 is lock onto between described girth member 330 and the cavity 320, the elasticity blind zone 341 and described dielectric resonance post 310 Elastic Contact of described flexible conductive shielding part 340 make dielectric resonance post 310 by described flexible conductive shielding part 340 direct ground connection.Shown in Fig. 3 (b), girth member 330 is a metallic plate among the figure, the cover plate of structure and prior art is similar, be appreciated that, the structure of described girth member 330 can also be that network structure or a plurality of reinforcing components that divide body structure are formed, and the structure of concrete girth member can be taked various ways, and concrete way of realization is not construed as limiting the invention, the material of certain described girth member also can adopt the nonmetallic materials of the intensity that satisfies the demands, as plastics or wood materials etc.
Be appreciated that after whole dielectric resonator has assembled flexible conductive shielding part 340 can keep well contacting with dielectric resonance post 310 by elastic deformation all the time.
In the present embodiment, the elasticity blind zone 341 of described flexible conductive shielding part 340 and common blind zone 342 can adopt one-body molded mode to be stamped to form.Described flexible conductive shielding part material can be beryllium copper, and in order to guarantee high conductivity, described beryllium copper surface can be silver-plated.Certain described flexible conductive shielding part can also adopt other materials, and as phosphor-copper etc., concrete conductive material is not construed as limiting the invention.
In the embodiment of the invention, described flexible conductive shielding part design can be sealed the size of described cavity, flexible conductive shielding part then can substitute the function seal chamber of original cover plate like this, form resonant cavity by flexible conductive shielding part and cavity, and girth member and existing cover plate are similar, but its function only is used to reinforce flexible conductive shielding part and mounting screw, therefore then free flexibly in the design of girth member, for example for example can not be subjected to current use material restriction and adopt non-conducting material such as rigid plastics, glass etc." sealing " among the present invention is meant and prevents the resonant cavity electromagnetic exposure.
In the embodiment of the invention, described dielectric resonance post upper surface is done can metalized, after the metalized, described dielectric resonance post upper surface adopts welding manner closely to contact with the elasticity blind zone of described flexible conductive shielding part, can further improve the contact reliability between flexible conductive shielding part and the dielectric resonance post.
In the prior art, described dielectric resonance post lower surface adopts the mode of welding to be installed on the bottom surface of cavity, and in the embodiment of the invention, after the lower surface of dielectric resonance post can being done metalized, at described dielectric resonance post lower surface weld metal mount pad, again with described metal installation base by screw in described inside cavity bottom surface, make dielectric resonance post lower surface be grounded conducting.Be convenient to the installation of resonance post so more, also make the technical staff simultaneously when follow-up maintenance or replacing resonance post, avoided destruction, reduced maintenance cost cavity.
Dielectric resonator in the embodiment of the invention, comprise dielectric resonance post, cavity, described dielectric resonance post is arranged in the described cavity, also comprise: flexible conductive shielding part, described flexible conductive shielding part seals described cavity and forms resonant cavity, described flexible conductive shielding part and described dielectric resonance post Elastic Contact make dielectric resonance post upper surface by the direct earth-continuity of described flexible conductive shielding part.Because having flexible conductive shielding part, direct employing seals described cavity formation resonant cavity, substituted the function of original cover plate, dielectric resonance post upper surface is directly by described flexible conductive shielding part ground connection simultaneously, and ground connection is more reliable, has improved the performance index of dielectric resonator.And in the present embodiment, the direct seal chamber of flexible conductive shielding part is formed resonance space, has replaced the function of original cavity resonator cover plate, has reduced the requirement of filter parameter to cover plate, can further reduce the production cost that adds cover plate.
In the embodiment of the invention, described dielectric resonance post can be that ceramic material or other high dielectric constant materials are made, and the manufacture method of concrete dielectric resonance post and technology can be with reference to existing media ceramic moulding processs, and the present invention repeats no more.
In the foregoing description one, dielectric resonator is described, the structure to the flexible conductive shielding part of use among the embodiment one specifically describes below.
Embodiment two, a kind of flexible conductive shielding part, be applied to dielectric filter, described flexible conductive shielding part seals described cavity and forms resonant cavity, structural representation as shown in Figure 4, comprise: comprise elasticity blind zone 341 and common blind zone 342, described elasticity blind zone 341 is provided with through hole 343, is used for screw and passes described through hole, the common blind zone of described flexible conductive shielding part is lock onto between described girth member and the cavity, realize the sealing of flexible conductive shielding part cavity.
Be understandable that be provided with through hole 344 at middle part, existing described elasticity blind zone, the tuning screw that is used for dielectric filter passes.Described elasticity blind zone and described common blind zone can be one-body molded, and the concrete punching press of can adopting realizes elasticity blind zone and through hole, and when practical application, in order to improve conductance, the material of described flexible conductive shielding part is beryllium copper and beryllium copper electroplate.Certain described flexible conductive shielding part can also adopt other materials, and as phosphor-copper etc., concrete conductive material is not construed as limiting the invention.
Be appreciated that in the embodiment of the invention that the dielectric resonator among a plurality of embodiment two can be formed dielectric filter, each cavity of dielectric filter uses an integral, flexible conductive shielding part.Concrete structure is referring to embodiment three.
Embodiment three, a kind of flexible conductive shielding part, structural representation (only illustrates part-structure) as shown in Figure 5 among the figure, comprise a plurality of elasticity blind zone 510 on the described flexible conductive shielding part, a plurality of elasticity blind zone adopts described common blind zone 520 to link to each other, and each elasticity blind zone 510 is corresponding with the position of dielectric resonance post in the dielectric filter.
Concrete described flexible conductive shielding part can adopt punching press or other technology integrally formed.For example: can pass through the one or many punching press, the through hole that extrudes described a plurality of elasticity blind zone and pass for screw.Specifically when design, generally the size of described flexible conductive shielding part is arranged to sizableness with girth member, directly substitute the function of original cover plate, form the space of sealing with cavity, form resonant cavity, and adopt girth member to replace original cover plate, the selection of its material and shape and structure can be more flexible.
Among the embodiment three, by designing the flexible conductive shielding part of an integral body, the elasticity blind zone of flexible conductive shielding part links to each other by common blind zone, whole design makes the processing cost of flexible conductive shielding part reduce greatly, easy to assembly, structure is firm, and dependable performance.
Described integral, flexible device is applied to dielectric filter, reference example four.
Embodiment four, a kind of dielectric filter, comprise: comprise cavity and dielectric resonance post, also comprise: the integral, flexible conductive shielding part, described integral, flexible conductive shielding part seals described cavity and forms resonant cavity, each dielectric resonance post Elastic Contact in described integral, flexible conductive shielding part and the described cavity makes dielectric resonance post upper surface by the direct earth-continuity of described integral, flexible conductive shielding part.
The dielectric filter that the embodiment of the invention four the is provided description of giving an example below is appreciated that this example only for realizing preferred implementation of the present invention, the conventional components that inside comprises or obtain technical scheme by simple replacement and all belong to protection range of the present invention.
A kind of dielectric filter, shown in Fig. 6 (a) and Fig. 6 (b), comprise: cavity 610 and girth member 620 and be fixed in described cavity and girth member 620 between integral, flexible conductive shielding part 630, position corresponding with each dielectric resonance post 640 in the cavity on the described integral, flexible conductive shielding part 630 is provided with elasticity blind zone 631, remainder is common blind zone 632, described common blind zone 632 is provided with through hole 633, fixedly during integral, flexible conductive shield 630, hold-down screw 621 passes described through hole 633, the common blind zone 632 of described integral, flexible conductive shielding part 630 is lock onto between described girth member 620 and the cavity 610, the elasticity blind zone 631 and described dielectric resonance post 640 Elastic Contact of described integral, flexible conductive shielding part make dielectric resonance post 640 by the direct ground connection of integral, flexible conductive shielding part.The middle part, elasticity blind zone that is appreciated that described integral, flexible conductive shielding part is provided with through hole, is used for screw and passes.Certainly, in the present embodiment, also can not comprise described girth member, but directly with the common blind zone of integral, flexible conductive shielding part by screw lock and described cavity.Certainly the follow-up baffle that can also increase covers described integral, flexible conductive shielding part formation protection by screw or snap fit.
In the present embodiment, the elasticity blind zone and the common blind zone of described integral, flexible conductive shielding part can be one-body molded, for example can adopt a whole sheet material one or many punching press is realized.Described integral, flexible conductive shielding part material can adopt beryllium copper, and the beryllium copper electroplate is to increase electric conductivity.Certain described integral, flexible conductive shielding part can also adopt other materials, and as phosphor-copper etc., concrete conductive material is not construed as limiting the invention.
Present embodiment can further adopt welding manner closely to contact with the elasticity blind zone of described integral, flexible conductive shielding part described dielectric resonance post upper surface, makes electric conductivity better.
Among the embodiment of above-mentioned dielectric resonator that provides of the present invention and dielectric filter, only pointed out the part relevant with the technical problem of technical solution of the present invention and solution, be appreciated that, described dielectric resonator or dielectric filter can also comprise conventional miscellaneous part, and the use of concrete parts is not construed as limiting the invention.
More than dielectric resonator, flexible conductive shielding part and dielectric filter that the embodiment of the invention provided are described in detail, wherein:
The dielectric resonator that one embodiment of the invention provides comprises dielectric resonance post, cavity, described dielectric resonance post is arranged in the described cavity, also comprise: flexible conductive shielding part, described flexible conductive shielding part seals described cavity and forms resonant cavity, described flexible conductive shielding part and described dielectric resonance post Elastic Contact make dielectric resonance post upper surface by the direct earth-continuity of described flexible conductive shielding part.Because having flexible conductive shielding part, direct employing seals described cavity formation resonant cavity, flexible conductive shielding part has substituted the function of original cover plate, reduced the cost of product, dielectric resonance post upper surface is directly by described flexible conductive shielding part ground connection simultaneously, ground connection is more reliable, has improved the performance index of dielectric resonator.And in the present embodiment, the direct seal chamber of flexible conductive shielding part is formed resonance space, has replaced the function of original cavity resonator cover plate, has reduced the requirement of filter parameter to cover plate, can further reduce the production cost that adds cover plate.
Further in another embodiment of the present invention, by designing the flexible conductive shielding part of an integral body, the elasticity blind zone of flexible conductive shielding part links to each other by common blind zone, whole design makes the processing cost of flexible conductive shielding part reduce greatly, easy to assembly, structure is firm, and dependable performance.
Further again, in the embodiment of the invention, after the lower surface of dielectric resonance post can being done metalized, at described dielectric resonance post lower surface weld metal mount pad, again with described metal installation base by screw in described inside cavity bottom surface, make dielectric resonance post lower surface be grounded conducting.Be convenient to the installation of resonance post so more, also make the technical staff simultaneously when follow-up maintenance or replacing resonance post, avoided destruction, reduced maintenance cost cavity.
Used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (16)
1. dielectric resonator, comprise dielectric resonance post, cavity, described dielectric resonance post is arranged in the described cavity, it is characterized in that also comprising: flexible conductive shielding part, described flexible conductive shielding part seals described cavity and forms resonant cavity, described flexible conductive shielding part and described dielectric resonance post Elastic Contact make dielectric resonance post upper surface by the direct earth-continuity of described flexible conductive shielding part.
2. dielectric resonator as claimed in claim 1 is characterized in that, described flexible conductive shielding part comprises: elasticity blind zone and common blind zone, the elasticity blind zone and the common blind zone of described flexible conductive shielding part are one-body molded.
3. dielectric resonator as claimed in claim 2, it is characterized in that, also comprise: girth member, described fixed head is used to reinforce described flexible conductive shielding part, the common blind zone of described flexible conductive shielding part is provided with through hole, adopt screw that the common blind zone of described flexible conductive shielding part is lock onto between described girth member and the cavity, realize the sealing of flexible conductive shielding part cavity.
4. dielectric resonator as claimed in claim 3 is characterized in that, described flexible conductive shielding part material is a beryllium copper, the beryllium copper electroplate.
5. as any described dielectric resonator of claim 1 to 4, it is characterized in that described dielectric resonance post upper surface is done metalized, described dielectric resonance post upper surface adopts welding manner closely to contact with the elasticity blind zone of described flexible conductive shielding part.
6. dielectric resonator as claimed in claim 5, it is characterized in that, described dielectric resonance post lower surface is done metalized, described dielectric resonance post lower surface weld metal mount pad, described metal installation base in described inside cavity bottom surface, makes dielectric resonance post lower surface be grounded conducting by screw.
7. flexible conductive shielding part, be applied to dielectric filter, it is characterized in that, described flexible conductive shielding part seals described cavity and forms resonant cavity, flexible conductive shielding part comprises elasticity blind zone and common blind zone, and described elasticity blind zone is provided with through hole, is used for screw and passes described through hole, the common blind zone of described flexible conductive shielding part is lock onto between described girth member and the cavity, realize the sealing of flexible conductive shielding part cavity.
8. flexible conductive shielding part as claimed in claim 7 is characterized in that, middle part, described elasticity blind zone is provided with through hole, and the screw that is used for dielectric filter passes.
9. as claim 7 or 8 described flexible conductive shielding parts, it is characterized in that described elasticity blind zone and described common blind zone are one-body molded, the material of described flexible conductive shielding part is a beryllium copper, the beryllium copper electroplate.
10. as any described flexible conductive shielding part of claim 7 to 8, it is characterized in that, comprise a plurality of elasticity blind zone on the described flexible conductive shielding part, a plurality of elasticity blind zone adopts described common blind zone to link to each other, and each elasticity blind zone is corresponding with the position of dielectric resonance post in the dielectric filter.
11. flexible conductive shielding part as claimed in claim 10 is characterized in that, described flexible conductive shielding part adopts punch forming.
12. dielectric filter, comprise cavity and dielectric resonance post, it is characterized in that, also comprise: the integral, flexible conductive shielding part, described integral, flexible conductive shielding part seals described cavity and forms resonant cavity, each dielectric resonance post Elastic Contact in described integral, flexible conductive shielding part and the described cavity makes dielectric resonance post upper surface by the direct earth-continuity of described integral, flexible conductive shielding part.
13. dielectric filter as claimed in claim 12, it is characterized in that, also comprise: position corresponding with each dielectric resonance post in the cavity on girth member, the described integral, flexible conductive shielding part is provided with the elasticity blind zone, remainder is common blind zone, the common blind zone of integral, flexible conductive shielding part is provided with through hole, adopt screw that the common blind zone of described integral, flexible conductive shielding part is lock onto between described girth member and the cavity, make dielectric resonance post upper surface by the direct earth-continuity of described integral, flexible conductive shielding part.
14. dielectric filter as claimed in claim 12 is characterized in that, the elasticity blind zone and the common blind zone of described integral, flexible conductive shielding part are one-body molded.
15. dielectric filter as claimed in claim 12 is characterized in that, described integral, flexible conductive shielding part material is a beryllium copper, the beryllium copper electroplate.
16. as any described dielectric filter of claim 12 to 15, it is characterized in that, described dielectric resonance post upper surface is done metalized, and described dielectric resonance post upper surface adopts welding manner closely to contact with the elasticity blind zone of described integral, flexible conductive shielding part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201389546U CN201749935U (en) | 2010-03-17 | 2010-03-17 | Medium syntonizer, elastic conductive shielding piece and medium filter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201389546U CN201749935U (en) | 2010-03-17 | 2010-03-17 | Medium syntonizer, elastic conductive shielding piece and medium filter |
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| CN2010201389546U Expired - Fee Related CN201749935U (en) | 2010-03-17 | 2010-03-17 | Medium syntonizer, elastic conductive shielding piece and medium filter |
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| CN101895004A (en) * | 2010-03-17 | 2010-11-24 | 深圳市大富科技股份有限公司 | Dielectric resonator, flexible conductive shielding part and dielectric filter |
| CN102496765A (en) * | 2011-11-25 | 2012-06-13 | 深圳市国人射频通信有限公司 | Dielectric filter and dielectric resonator thereof |
| CN102637940A (en) * | 2012-04-27 | 2012-08-15 | 深圳市国人射频通信有限公司 | Dielectric filter band dielectric resonator thereof |
| CN103000983A (en) * | 2012-12-14 | 2013-03-27 | 中兴通讯股份有限公司 | TM dielectric resonator, realizing method thereof and TM dielectric filter |
| CN103066350A (en) * | 2012-12-31 | 2013-04-24 | 深圳市大富科技股份有限公司 | Cavity filter and radio frequency device |
| CN103531869A (en) * | 2012-07-03 | 2014-01-22 | 罗森伯格（上海）通信技术有限公司 | TM mold dielectric filter |
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| CN101895004A (en) * | 2010-03-17 | 2010-11-24 | 深圳市大富科技股份有限公司 | Dielectric resonator, flexible conductive shielding part and dielectric filter |
| CN102496765A (en) * | 2011-11-25 | 2012-06-13 | 深圳市国人射频通信有限公司 | Dielectric filter and dielectric resonator thereof |
| CN102496765B (en) * | 2011-11-25 | 2015-02-11 | 深圳市国人射频通信有限公司 | Dielectric filter and dielectric resonator thereof |
| CN102637940A (en) * | 2012-04-27 | 2012-08-15 | 深圳市国人射频通信有限公司 | Dielectric filter band dielectric resonator thereof |
| CN103531869A (en) * | 2012-07-03 | 2014-01-22 | 罗森伯格（上海）通信技术有限公司 | TM mold dielectric filter |
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| CN103000983B (en) * | 2012-12-14 | 2017-04-12 | 中兴通讯股份有限公司 | TM dielectric resonator, realizing method thereof and TM dielectric filter |
| CN103000983A (en) * | 2012-12-14 | 2013-03-27 | 中兴通讯股份有限公司 | TM dielectric resonator, realizing method thereof and TM dielectric filter |
| CN103066350A (en) * | 2012-12-31 | 2013-04-24 | 深圳市大富科技股份有限公司 | Cavity filter and radio frequency device |
| CN103066350B (en) * | 2012-12-31 | 2018-06-05 | 深圳市大富科技股份有限公司 | A kind of cavity body filter and radio-frequency devices |
| US10333188B2 (en) | 2014-05-07 | 2019-06-25 | Huawei Technologies Co., Ltd. | Transverse magnetic (TM) mode dielectric filter |
| CN106159395A (en) * | 2015-04-16 | 2016-11-23 | 深圳市大富科技股份有限公司 | Cavity body filter, duplexer and radio frequency remote equipment |
| CN110168802A (en) * | 2017-01-18 | 2019-08-23 | 华为技术有限公司 | A kind of TM mode dielectric resonator, filter and communication equipment |
| CN110168802B (en) * | 2017-01-18 | 2021-07-20 | 华为技术有限公司 | Transverse magnetic mode dielectric resonator, filter and communication equipment |
| US11108122B2 (en) | 2017-01-18 | 2021-08-31 | Huawei Technologies Co., Ltd. | TM mode dielectric resonator including a resonant dielectric rod soldered to a fixing base within a housing baseplate, for forming a filter and a communications device |
| CN108631027A (en) * | 2017-03-17 | 2018-10-09 | Ace技术株式会社 | Utilize the RF cavity body filters and its manufacturing method of elastomer |
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