CN103346370A - Combined type filter cavity - Google Patents
Combined type filter cavity Download PDFInfo
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- CN103346370A CN103346370A CN2013102966996A CN201310296699A CN103346370A CN 103346370 A CN103346370 A CN 103346370A CN 2013102966996 A CN2013102966996 A CN 2013102966996A CN 201310296699 A CN201310296699 A CN 201310296699A CN 103346370 A CN103346370 A CN 103346370A
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Abstract
The invention discloses a combined type filter cavity. The combined type filter cavity is formed by at least two cavity combining units in a spliced mode, each cavity combining unit at least comprises a single cavity, and each cavity combining unit is of an integrated structure. According to the technical scheme, the combined type filter cavity is designed to be of a structure formed a plurality of cavity combining units in a spliced mode, and each cavity combining unit is formed independently, so that when problems occur on one cavity combining unit during the production, assembling and using process, the problems can be solved simply by replacing a new cavity combining unit without replacing the whole filter cavity, and the problems of low finished-product rate and high cost are solved. Meanwhile, the cavity combining units with same size or with different sizes can be combined at will according to actual needs and can be assembled flexibly and conveniently. The combined type filter cavity is applied to filters.
Description
Technical field
The present invention relates to the cavity body filter field, specifically a kind of composite type filter cavity.
Background technology
At present, along with the continuous aggravation of the competition of the communications industry and cost of human resources constantly rise, the cost pressure of communication system is increasing, establish oneself in an unassailable position for making self, each filter manufacturer all constantly opens up weight and the cost problem of new technology and new technology solution filter at the input great effort, but effect is not satisfactory.
Traditional cavity body filter generally comprises cavity, resonant rod and cover plate, operated by rotary motion has a plurality of single chambeies in its cavity, mostly be monolithic construction greatly, in a single day the arbitrary single chamber in the described cavity is defective when producing, will cause whole described cavity to be scrapped, not only wasted resource, but also can reduce rate of finished products, raised the cost; In addition, because above-mentioned cavity is monolithic construction, so in assembling and use, in case the arbitrary single chamber in the cavity goes wrong, just need to change whole cavity, cause serious waste.
Summary of the invention
The objective of the invention is in order to solve the deficiency that the above-mentioned background technology exists, propose a kind of simple in structure and composite type filter cavity that can effectively reduce cost.
The present invention adopts following technical scheme for achieving the above object: a kind of composite type filter cavity, it is characterized in that described composite type filter cavity is assembled by two cavity assembled units at least, described cavity assembled unit comprises a single chamber at least, and described cavity assembled unit is monolithic construction.By adopting filter cavity is designed to structure by a plurality of cavity assembled units splicings, and the technical scheme of the independent moulding of single cavity assembled unit, like this, in production, assembling and use, go wrong as cavity assembled unit as described in single, then the cavity assembled unit that only need more renew gets final product, and need not to change the whole filter cavity, thereby has solved the low and high problem of cost of rate of finished products; Simultaneously, unidimensional or different size combination in any according to actual needs between the described cavity assembled unit is assembled flexible.
In such scheme, the splicing position of described cavity assembled unit is positioned on the cavity wall of described cavity assembled unit.
In such scheme, connect by the splicing tooth assembly unit that cooperatively interacts between adjacent two described cavity assembled units.Certainly, also can adopt other splicing construction assembly units to connect.
In such scheme, the described splicing tooth that cooperatively interacts lays respectively on the outwardly directed flange of end face of cavity wall of adjacent two described cavity assembled units.Certainly, the described splicing tooth that cooperatively interacts also can be arranged on other positions of described cavity wall.The contact area between filter cover board and this filter cavity can be increased but described splicing tooth is arranged on the end face (being described flange) of described cavity wall, thereby the ground connection performance of filter can be improved.
In such scheme, described splicing tooth be evenly arranged in described cavity assembled unit around, be convenient to the batch process of described cavity assembled unit like this, simultaneously, can combination in any between the described cavity assembled unit.
In such scheme, the profile of tooth of the described splicing tooth that cooperatively interacts is rectangle or triangle or trapezoidal.Certainly, also can adopt other shapes.
In such scheme, be connected and fixed by bonding or welding manner between adjacent two described cavity assembled units.Certainly, also can adopt other fixed forms to fix.
In such scheme, the sidewall around the described composite type filter cavity is provided with a circle for the fixedly gusset that each cavity assembled unit in the composite type filter cavity is fixed together, to strengthen the whole fastness of described composite type filter cavity.
In such scheme, be connected by the splicing tooth assembly unit that cooperatively interacts between described fixedly gusset and the described composite type filter cavity, can improve the bonding strength between described fixedly gusset and the described composite type filter cavity so effectively.
In such scheme, the bottom surface of described composite type filter cavity is provided with the base plate that links to each other with described fixedly gusset, can strengthen the whole fastness of described composite type filter cavity so further.
In such scheme, described cavity assembled unit is tensioning member.By adopting the described cavity assembled unit of thin plate drawing and forming, can reduce the production cost of filter effectively.
In such scheme, the junction of the outwardly directed flange of the end face of the cavity wall of described cavity assembled unit and cavity wall is provided with the reinforcement roof supporting.The reinforcement roof supporting that adds by the junction at described splicing tooth (being described flange) and cavity wall can improve intensity and the reliability of described cavity assembled unit.
In such scheme, the bottom surface of all cavity assembled units all is fixed on and strengthens supporting on the base plate in the described composite type filter cavity, and described reinforcement is supported on the base plate and is provided be used to the through hole that changes resonant rod with cavity assembled unit installation corresponding position, resonant rod position.Support intensity, reliability and the integral intensity that base plate can improve described cavity assembled unit further by the reinforcement that the bottom surface at described cavity assembled unit adds.
In such scheme, described cavity assembled unit is moulding, and the surface of described cavity assembled unit is provided with coating, and described coating is silver or copper.
In such scheme, described cavity assembled unit is die casting.
Compare with existing integral type filter cavity structure, the filter cavity body structure that the present invention adopts the cavity assembled unit by a plurality of independent moulding to be spliced to form, make it in production, assembling and use, go wrong as certain cavity assembled unit, the cavity assembled unit that only need more renew then, and need not to change the whole filter cavity, effectively reduce cost, improved rate of finished products.Especially adopt the splicing construction of the splicing tooth that cooperatively interacts between each cavity assembled unit of the present invention, can make each cavity assembled unit carry out modularization, standardized designs, thereby can carry out modularization, standardization combination between each cavity assembled unit according to actual needs, like this, not only assemble flexiblely, and be convenient to the batch process of modularization, standardization cavity assembled unit.
In addition, the present invention has strengthened the whole fastness of this composite type filter cavity by fixedly gusset and base plate that the sidewall around described composite type filter cavity and bottom surface add respectively.Cavity assembled unit of the present invention can be tensioning member, also can be moulding, can also be die casting, is applicable to the whole bag of tricks moulding.
In sum, that the present invention has is simple in structure, its cavity assembled unit can be realized modularization, standardized production, effectively reduces cost.
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is assembly structure schematic diagram of the present invention;
Fig. 2 is the structural representation of looking up of Fig. 1;
Fig. 3 is the structural representation in single chamber for cavity assembled unit among the present invention;
Fig. 4 is the plan structure schematic diagram of Fig. 3;
Fig. 5 is the structural representation of multi-cavity for cavity assembled unit among the present invention;
Fig. 6 is the plan structure schematic diagram of Fig. 5;
Fig. 7 is the structural representation that adopts the cavity assembled unit of drawing process moulding among the embodiment 1;
Fig. 8 is the assembly structure schematic diagram of Fig. 7;
Fig. 9 is the structural representation that adopts the cavity assembled unit of Shooting Technique moulding among the embodiment 2;
Figure 10 is the structural representation of two unidimensional cavity assembled unit connecting methods among the present invention;
Figure 11 is the structural representation of two unidimensional another connecting methods of cavity assembled unit among the present invention;
Figure 12 is the structural representation of two different size cavity assembled unit connecting methods among the present invention;
Figure 13 is the structural representation of two another connecting methods of different size cavity assembled unit among the present invention.
In the drawings, cavity assembled unit 1, single chamber 1a, cavity 1a1, boss 1a2, through hole 1a3, holding tank 1a4, splicing tooth 2, fixedly gusset 3, and base plate 4 is strengthened roof supporting 5, strengthens supporting base plate 6, through hole 6a, coating 7, resonant rod 8, screw 9, external teeth lock washer 10, cover plate 11.
Embodiment
Embodiment 1:
A kind of composite type filter cavity as shown in Figure 1, described composite type filter cavity is assembled by two cavity assembled units 1 at least, described cavity assembled unit 1 can be single chamber 1a, also can be the multi-cavity structure (referring to Fig. 5 and Fig. 6) that comprises two single chamber 1a or a plurality of single chamber 1a, it (is stretched cavity 1a1 that described cavity assembled unit 1 adopts the thick sheet metal of 0.3mm ~ 1mm to carry out the deep stretching process moulding, and be shaped for boss 1a2 and through hole 1a3 that resonant rod 8 is installed in described cavity 1a1 in-draw, and hold screw 9, the holding tank 1a4 of nut and external teeth lock washer 10, wherein, the cross sectional shape of described cavity 1a1 can be circle, rectangle or polygon etc., referring to Fig. 3 and Fig. 8), described cavity assembled unit 1 is the tensioning member of integral structure.By adopting filter cavity is designed to structure by a plurality of cavity assembled units 1 splicings, and the technical scheme of single cavity assembled unit 1 independent moulding, like this, in production, assembling and use, go wrong as cavity assembled unit 1 as described in single, then the cavity assembled unit 1 that only need more renew gets final product, and need not to change the whole filter cavity, thereby has solved the low and high problem of cost of rate of finished products; Simultaneously, unidimensional or different size combination in any (referring to Figure 10 ~ 13) according to actual needs between the described cavity assembled unit 1 is assembled flexible; And by adopting the described cavity assembled unit 1 of thin plate drawing process moulding, the weight that can reduce filter greatly also reduces production costs greatly.
As shown in Figure 3 and Figure 4, the splicing position of described cavity assembled unit 1 is positioned on the cavity wall of described cavity assembled unit 1.Connect by splicing tooth 2 assembly units that cooperatively interact between adjacent two described cavity assembled units 1.Certainly, also can adopt other splicing construction assembly units to connect.During concrete production, can punch out described splicing tooth 2 by mould.Described splicing tooth 2 is positioned on the end face (being the outwardly directed flange of end face of the cavity wall of described cavity assembled unit 1) of the cavity wall of described cavity assembled unit 1.Certainly, described splicing tooth 2 also can be arranged on other positions of described cavity wall.Contact area between filter cover board 11 and this filter cavity can be increased but described splicing tooth 2 is arranged on the end face of described cavity wall, thereby the ground connection performance of filter can be improved.
As shown in Figure 4, described splicing tooth 2 be evenly arranged in described cavity assembled unit 1 around, be convenient to the batch process of described cavity assembled unit 1 like this, simultaneously, can combination in any between the described cavity assembled unit 1.Concrete production when designing should be with the integral multiple that is dimensioned to described splicing tooth 2 tooth pitches around the described cavity assembled unit 1.Described splicing tooth 2 be shaped as rectangle or triangle or trapezoidal.Certainly, also can adopt other shapes.Be connected and fixed by bonding or welding manner between adjacent two described cavity assembled units 1.Certainly, also can adopt other fixed forms to fix.
As shown in Figure 1, the sidewall around the described composite type filter cavity is provided with fixedly gusset 3, to strengthen the whole fastness of described composite type filter cavity.Also be connected by described splicing tooth 2 assembly units that cooperatively interact between described fixedly gusset 3 and the described composite type filter cavity, can improve the bonding strength between described fixedly gusset 3 and the described composite type filter cavity so effectively.The bottom surface of described composite type filter cavity is provided with the base plate 4(that links to each other with described fixedly gusset 3 referring to Fig. 2), can strengthen the whole fastness of described composite type filter cavity so further.
As shown in Figure 7 and Figure 8, the junction of the flange of described cavity assembled unit 1 and cavity wall is provided with and strengthens roof supporting 5.By adopting the described cavity assembled unit 1 of thin plate drawing and forming, can reduce the production cost of filter effectively; Simultaneously, the reinforcement roof supporting 5 that adds in the junction of described flange and cavity wall can improve intensity and the reliability of described cavity assembled unit 1.The bottom surface of all cavity assembled units 1 all is fixed on and strengthens supporting on the base plate 6 in the described composite type filter cavity, and described reinforcement is supported on the base plate 6 and is provided be used to the through hole 6a that changes resonant rod 8 with cavity assembled unit 1 installation corresponding position, resonant rod 8 position.Support intensity, reliability and the whole fastness that base plate 6 can improve described cavity assembled unit 1 further by the reinforcement that the bottom surface at described cavity assembled unit 1 adds.
Present embodiment is designed to structure by a plurality of cavity assembled units 1 splicings by adopting with filter cavity, and the technical scheme of single cavity assembled unit 1 independent moulding, like this, in production, assembling and use, go wrong as cavity assembled unit 1 as described in single, then the cavity assembled unit 1 that only need more renew gets final product, and need not to change the whole filter cavity, thereby has solved the low and high problem of cost of rate of finished products; Unidimensional or different size combination in any according to actual needs between the described cavity assembled unit 1 is assembled flexible; The splicing construction of the splicing tooth 2 that cooperatively interacts by employing, and described splicing tooth 2 evenly be arranged on described cavity assembled unit 1 around, be convenient to the batch process of described cavity assembled unit 1 like this, and can combination in any between the described cavity assembled unit 1; The whole fastness that the fixedly gusset 3 that adds respectively by the sidewall around the described composite type filter cavity and bottom surface and base plate 4 have been strengthened this composite type filter cavity; At last, by adopting the described cavity assembled unit 1 of thin plate drawing process moulding, the weight that can reduce filter greatly also reduces production costs greatly.
Embodiment 2:
A kind of composite type filter cavity as shown in Figure 1, described composite type filter cavity is assembled by two cavity assembled units 1 at least, described cavity assembled unit 1 can be single chamber 1a, also can be the multi-cavity structure (referring to Fig. 5 and Fig. 6) that comprises two single chamber 1a or a plurality of single chamber 1a, described cavity assembled unit 1 is moulding, mold cavity 1a1 by Shooting Technique, and in described cavity 1a1, mold for boss 1a2 and through hole 1a3 that resonant rod 8 is installed, and hold screw 9, the holding tank 1a4(of nut and external teeth lock washer 10 is referring to Fig. 3 and Fig. 8), (be coating 7 at described moulding electroplate or copper then, its thickness is about 10 μ m, referring to Fig. 9), wherein, the cross sectional shape of described cavity 1a1 can be circle, rectangle or polygon etc., described cavity assembled unit 1 is the moulding of integral structure.By adopting filter cavity is designed to structure by a plurality of cavity assembled units 1 splicings, and the technical scheme of single cavity assembled unit 1 independent moulding, like this, in production, assembling and use, go wrong as cavity assembled unit 1 as described in single, then the cavity assembled unit 1 that only need more renew gets final product, and need not to change the whole filter cavity, thereby has solved the low and high problem of cost of rate of finished products; Simultaneously, unidimensional or different size combination in any (referring to Figure 10 ~ 13) according to actual needs between the described cavity assembled unit 1 is assembled flexible.
As shown in Figure 3 and Figure 4, the splicing position of described cavity assembled unit 1 is positioned on the cavity wall of described cavity assembled unit 1.Connect by splicing tooth 2 assembly units that cooperatively interact between adjacent two described cavity assembled units 1.Certainly, also can adopt other splicing construction assembly units to connect.During concrete production, can be by mould die-cut or directly mold described splicing tooth 2 by injection mold.Described splicing tooth 2 is positioned on the cavity wall end face (being the outwardly directed flange of end face of the cavity wall of described cavity assembled unit 1) of described cavity assembled unit 1.Certainly, described splicing tooth 2 also can be arranged on other positions of described cavity wall.Contact area between filter cover board 11 and this filter cavity can be increased but described splicing tooth 2 is arranged on the end face of described cavity wall, thereby the ground connection performance of filter can be improved.
As shown in Figure 4, described splicing tooth 2 be evenly arranged in described cavity assembled unit 1 around, be convenient to the batch process of described cavity assembled unit 1 like this, simultaneously, can combination in any between the described cavity assembled unit 1.Concrete production when designing should be with the integral multiple that is dimensioned to described splicing tooth 2 tooth pitches around the described cavity assembled unit 1.Described splicing tooth 2 be shaped as rectangle or triangle or trapezoidal.Certainly, also can adopt other shapes.Be connected and fixed by bonding or welding manner between adjacent two described cavity assembled units 1.Certainly, also can adopt other fixed forms to fix.
As shown in Figure 1, the sidewall around the described composite type filter cavity is provided with fixedly gusset 3, to strengthen the whole fastness of described composite type filter cavity.Be connected by splicing tooth 2 assembly units that cooperatively interact between described fixedly gusset 3 and the described composite type filter cavity, can improve the bonding strength between described fixedly gusset 3 and the described composite type filter cavity so effectively.The bottom surface of described composite type filter cavity is provided with the base plate 4(that links to each other with described fixedly gusset 3 referring to Fig. 2), can strengthen the whole fastness of described composite type filter cavity so further.
Present embodiment is designed to structure by a plurality of cavity assembled units 1 splicings by adopting with filter cavity, and the technical scheme of single cavity assembled unit 1 independent moulding, like this, in production, assembling and use, go wrong as cavity assembled unit 1 as described in single, then the cavity assembled unit 1 that only need more renew gets final product, and need not to change the whole filter cavity, thereby has solved the low and high problem of cost of rate of finished products; Unidimensional or different size combination in any according to actual needs between the described cavity assembled unit 1 is assembled flexible; The splicing construction of the splicing tooth 2 that cooperatively interacts by employing, and described splicing tooth 2 evenly be arranged on described cavity assembled unit 1 around, be convenient to the batch process of described cavity assembled unit 1 like this, and can combination in any between the described cavity assembled unit 1; The whole fastness that the fixedly gusset 3 that adds respectively by the sidewall around the described composite type filter cavity and bottom surface and base plate 4 have been strengthened this composite type filter cavity.
Certainly, also can produce filter cavity with extrusion process with reference to the method for present embodiment 2.
Below only be preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. composite type filter cavity, it is characterized in that described composite type filter cavity is assembled by two cavity assembled units (1) at least, described cavity assembled unit (1) comprises a single chamber (1a) at least, and described cavity assembled unit (1) is monolithic construction.
2. composite type filter cavity according to claim 1 is characterized in that the splicing position of described cavity assembled unit (1) is positioned on the cavity wall of described cavity assembled unit (1).
3. composite type filter cavity according to claim 2 is characterized in that connecting by splicing tooth (2) assembly unit that cooperatively interacts between adjacent two described cavity assembled units (1).
4. composite type filter cavity according to claim 3 is characterized in that the described splicing tooth (2) that cooperatively interacts lays respectively on the outwardly directed flange of end face of cavity wall of adjacent two described cavity assembled units (1).
5. composite type filter cavity according to claim 3, it is characterized in that described splicing tooth (2) be evenly arranged in described cavity assembled unit (1) around.
6. composite type filter cavity according to claim 3, the profile of tooth that it is characterized in that the described splicing tooth (2) that cooperatively interacts is rectangle or triangle or trapezoidal.
7. composite type filter cavity according to claim 2 is characterized in that being connected and fixed by bonding or welding manner between adjacent two described cavity assembled units (1).
8. composite type filter cavity according to claim 2 is characterized in that the sidewall around the described composite type filter cavity is provided with a circle for the fixedly gusset (3) that each cavity assembled unit (1) in the composite type filter cavity is fixed together.
9. composite type filter cavity according to claim 8 is characterized in that being connected by splicing tooth (2) assembly unit that cooperatively interacts between described fixedly gusset (3) and the described composite type filter cavity.
10. composite type filter cavity according to claim 8 is characterized in that the bottom surface of described composite type filter cavity is provided with the base plate (4) that links to each other with described fixedly gusset (3).
11. according to the described composite type filter cavity of arbitrary claim among the claim 1-10, it is characterized in that described cavity assembled unit (1) is tensioning member.
12. composite type filter cavity according to claim 11, the junction that it is characterized in that the outwardly directed flange of end face of cavity wall of described cavity assembled unit (1) and cavity wall is provided with strengthens roof supporting (5).
13. composite type filter cavity according to claim 11, the bottom surface that it is characterized in that all cavity assembled units (1) in the described composite type filter cavity all is fixed on the reinforcement support base plate (6), and described reinforcement is supported base plate (6) upward and cavity assembled unit (1) installation corresponding position, resonant rod position is provided be used to the through hole that changes resonant rod (6a).
14. according to the described composite type filter cavity of arbitrary claim among the claim 1-10, it is characterized in that described cavity assembled unit (1) is moulding, the surface of described cavity assembled unit (1) is provided with coating (7), described coating (7) is silver or copper.
15. according to the described composite type filter cavity of arbitrary claim among the claim 1-10, it is characterized in that described cavity assembled unit (1) is die casting.
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CN2013102966996A CN103346370A (en) | 2013-07-15 | 2013-07-15 | Combined type filter cavity |
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CN2013102966996A CN103346370A (en) | 2013-07-15 | 2013-07-15 | Combined type filter cavity |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105244574A (en) * | 2015-08-18 | 2016-01-13 | 深圳三星通信技术研究有限公司 | Novel cavity filter |
CN105305994A (en) * | 2015-12-09 | 2016-02-03 | 重庆大及电子科技有限公司 | Anti-misoperation filtering assembly |
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US5635885A (en) * | 1994-02-11 | 1997-06-03 | Adc Solitra Oy | Resonator shell construction |
CN200986958Y (en) * | 2006-01-20 | 2007-12-05 | 芯通科技(成都)有限公司 | Improved multi-cavity coaxial filter |
CN102148418A (en) * | 2011-02-24 | 2011-08-10 | 西安电子科技大学 | Method for selecting manufacture technique parameters of cavity filter |
CN102569957A (en) * | 2012-02-08 | 2012-07-11 | 武汉凡谷电子技术股份有限公司 | Indoor multi-cavity filter |
CN203503763U (en) * | 2013-07-15 | 2014-03-26 | 武汉凡谷电子技术股份有限公司 | Combined type filter cavity |
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2013
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US5635885A (en) * | 1994-02-11 | 1997-06-03 | Adc Solitra Oy | Resonator shell construction |
CN200986958Y (en) * | 2006-01-20 | 2007-12-05 | 芯通科技(成都)有限公司 | Improved multi-cavity coaxial filter |
CN102148418A (en) * | 2011-02-24 | 2011-08-10 | 西安电子科技大学 | Method for selecting manufacture technique parameters of cavity filter |
CN102569957A (en) * | 2012-02-08 | 2012-07-11 | 武汉凡谷电子技术股份有限公司 | Indoor multi-cavity filter |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105244574A (en) * | 2015-08-18 | 2016-01-13 | 深圳三星通信技术研究有限公司 | Novel cavity filter |
CN105244574B (en) * | 2015-08-18 | 2018-03-09 | 深圳三星通信技术研究有限公司 | A kind of novel cavity wave filter |
US10790565B2 (en) | 2015-08-18 | 2020-09-29 | Samsung Electronics Co., Ltd. | Cavity filter |
CN105305994A (en) * | 2015-12-09 | 2016-02-03 | 重庆大及电子科技有限公司 | Anti-misoperation filtering assembly |
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Application publication date: 20131009 |