CN203950891U - Dielectric phase shifter - Google Patents
Dielectric phase shifter Download PDFInfo
- Publication number
- CN203950891U CN203950891U CN201420269668.1U CN201420269668U CN203950891U CN 203950891 U CN203950891 U CN 203950891U CN 201420269668 U CN201420269668 U CN 201420269668U CN 203950891 U CN203950891 U CN 203950891U
- Authority
- CN
- China
- Prior art keywords
- medium element
- phase
- cavity
- guide rail
- phase shifter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of dielectric phase shifter, comprise have lengthwise shape accommodation space cavity and in the medium element of inserting the phase-shift circuit of this accommodation space and being slidably mounted on this accommodation space and be arrangeding in parallel with this phase-shift circuit, on the inwall of described cavity, be provided with and make described medium element and phase-shift circuit keep non-contacting guide rail.By be provided with some guide rails between phase-shift circuit and medium element, thereby avoid medium directly to contact with feeding network, make the feeding network can be additionally not stressed, good reliability, the wearing and tearing of feeding network and/or medium in the time of can avoiding phase shifter work simultaneously.
Description
[technical field]
The utility model relates to communication device field, particularly a kind of dielectric phase shifter.
[background technology]
In mobile communications network covers, it is one of key equipment of overlay network that electricity is adjusted antenna for base station, and phase shifter is the most crucial parts that electricity is adjusted antenna for base station, the quality of phase shifter performance has directly determined electrical tilt antenna performance, and then have influence on network coverage quality, therefore the importance of phase shifter in mobile base station antenna field is self-evident.
In existing phase shifter, mainly adopt two kinds of means to realize the object of phase shift.By signal in change phase shifter, the electrical length by path realizes the first; Another kind is by the medium in mobile phase shifter, changes the propagation rate of signal in phase shifter, can make thus the continuous linear phase difference of signal formation of phase shifter output of flowing through, thereby realizes the object of phase shift.
Yet in the existing phase shifter of realizing phase shift object by loaded medium, there are the following problems:
1, medium element directly contacts with feeding network, and in long-term moving process, medium element and feeding network wear and tear mutually, affect circuit performance.
When 2, medium element contacts with feeding network, when particularly medium element is directly placed on feeding network, can make feeding network stressed, not only make the structural reliability variation of phase shifter, also can introduce passive intermodulation product.
[summary of the invention]
The purpose of this utility model is to provide a kind of dielectric phase shifter, to overcome the deficiencies in the prior art, from electric property, physical features, prior art is optimized.
For realizing this object, the utility model adopts following technical scheme:
A kind of dielectric phase shifter, comprise have lengthwise shape accommodation space cavity and in the medium element of inserting the phase-shift circuit of this accommodation space and being slidably mounted on this accommodation space and be arrangeding in parallel with this phase-shift circuit, on the inwall of described cavity, be provided with and make described medium element and phase-shift circuit keep non-contacting guide rail.
Described guide rail is arranged on the inwall that cavity is relative with medium element, and this inwall of cavity arranges the described guide rail of wall scroll, and the corresponding position of medium element and guide rail is provided with chute, and installation matches with chute with guide rail.
Described guide rail is arranged in a pair of opposed inner walls that cavity is positioned at medium element both sides, and the inwall described in each is respectively established a guide rail, and medium element and phase-shift circuit divide the both sides that occupy described guide rail.
Described phase-shift circuit comprises phase shift conductor and the media supports for phase shift conductor and described cavity are fixed.
Described media supports is circuit board, and described phase shift conductor is printed on this circuit board.
Described phase shift conductor is metallic plate.
The accommodation space of described cavity connects this cavity setting.
Further, the medium element in described cavity can be provided with a plurality of.
When described dielectric phase shifter comprises the medium element described in two, each medium element is by the guide supporting on a cavity inwall relative with described medium element.
When described dielectric phase shifter comprises the medium element described in two, the medium element described in each is supported by the pair of guide rails in a pair of opposed inner walls of cavity.
Further, described dielectric phase shifter comprises medium element and the two pairs of guide rails that almost parallel arranges described in two, forms the draw-in groove of installing for described phase-shift circuit between two pairs of guide rails, and each medium element is supported by the pair of guide rails in a pair of opposed inner walls.
Or, described dielectric phase shifter comprise that medium element described in two, two are located at respectively directly over described phase-shift circuit and under inwall on guide rail, the position that described medium element is corresponding with described guide rail is provided with chute, and described in each, medium element is by the installation that matches with a described guide rail respectively of its chute.
Compared with prior art, the utility model possesses following advantage:
1, dielectric phase shifter of the present utility model is provided with some guide rails, can avoid medium to contact with feeding network, makes the feeding network can be additionally not stressed, good reliability, the wearing and tearing of feeding network and/or medium in the time of can avoiding phase shifter work simultaneously.
2, dielectric phase shifter of the present utility model has the advantages that circuit index is outstanding, phase shifting accuracy is high, the linearity is high and passive intermodulation product is low.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the phase shifter of embodiment mono-of the present utility model;
Fig. 2 is that the A-A of the phase shifter shown in Fig. 1 is to cutaway view;
Fig. 3 is the cutaway view of the another kind of execution mode of the phase shifter shown in Fig. 1;
Fig. 4 is the cutaway view of the another kind of execution mode again of the phase shifter described in Fig. 1;
Fig. 5 is the structural representation of the phase shifter of embodiment bis-of the present utility model;
Fig. 6 is that the A-A of the phase shifter shown in Fig. 5 is to cutaway view;
Fig. 7 is the cross-sectional view of cavity of the another kind of phase shifter of embodiment bis-.
[embodiment]
Below in conjunction with accompanying drawing and exemplary embodiment, the utility model is further described, wherein in accompanying drawing, identical label all refers to identical parts.In addition, if the detailed description of known technology is unnecessary for feature of the present utility model is shown, by its omission.
Embodiment mono-
As shown in Figure 1 to Figure 3, dielectric phase shifter 1 of the present utility model, comprises cavity 11, phase-shift circuit 12, medium element 13 and guide rail 14.
Referring to Fig. 1, described cavity 11 is one-body molded by metal material pultrusion or die casting, has and comprises five enclosure wall 110 of four enclosure wall 110 that arrange around cavity 11 longitudinallies and the accommodation space 111 being limited by described five enclosure wall 110.Enclosure wall 110 is not established to reserve openend in one end of described cavity 11, and described accommodation space 111 connects this cavity 11 and arranges, to facilitate the installation of phase-shift circuit 12, medium element 13 and other assemblies, be convenient to that medium element 13 is stressed does rectilinear motion along cavity 11 longitudinallies simultaneously.Certainly, described cavity 11 can not established enclosure wall to reserve openend along longitudinally two ends yet.In other embodiments, described cavity 11 also can by one at least one end do not establish enclosure wall to reserve the cell body (not shown) of openend and to form for covering the cover plate (not shown) of this cell body.
Described phase-shift circuit 12 comprises phase shift conductor and the media supports 120 for phase shift conductor 121 and described cavity 11 are fixed.
Wherein, described media supports 120 can be circuit board 120, and described phase shift conductor 121 is printed on described circuit board 120.Described circuit board 120 can be individual layer pcb board, and described phase shift conductor 121 is printed on the one side of pcb board 120; It can be also doubling plate, and described phase shift conductor 121 is printed on the two sides (referring to Fig. 4) of pcb board 120, and the phase shift conductor 121 on these double-layer PCB board 120 two sides can be connected by some via holes (not shown).At it, the one side near enclosure wall 110 is provided with metal welding fitting 16 to described circuit board 120, and described metal welding fitting 16 is welded in described enclosure wall 110, thereby circuit board 120 (being also phase-shift circuit 12) is fixed in described cavity 11.
In theory, when pcb board 120 two sides are provided with altogether irrelevant phase shift conductor 121 of disturbing, this phase shifter 1 is equivalent to, take described pcb board 120 as boundary, described accommodation space 11, medium element 13 and phase-shift circuit 12 are all divided into relatively independent two parts, form two can be separately the independent phase shifter monomer to the signal phase shift wherein of flowing through.
In other embodiments, described phase shift conductor can be also metallic conductor, for example bonding jumper or metallic plate.Described metallic conductor is combined into described phase shift conductor according to the principle of phase-shift circuit, and in the accommodation space that is fixed on described cavity by media supports, referring to embodiment bis-.
As everyone knows, any transmission medium all can be introduced phase shift to the fluctuation of conduction therein.In the cavity 11 of phase shifter 1 of the present utility model, be provided with and force-appliedly along cavity 11 longitudinallies, do straight-line medium element 13.By mobile this medium element 13, can change the effective dielectric constant in cavity 11, thereby, change the propagation rate of signal in phase shifter 1, and then the continuous linear phase difference of signal formation of the phase shifter 1 that can make to flow through, realizes the object of phase shift.
Medium element 13 of the present utility model is preferably strip, and its selected material can be one or more, and the DIELECTRIC CONSTANT ε of this medium element 13
r> 1.0.The material of described medium element 13, except having required high-k, preferably also has low-loss tangent angle characteristic.In addition,, in order to make this phase shifter 1 have higher effective dielectric constant, described accommodation space planted agent is filled by described medium element 13 as much as possible.
If described medium element 13 directly contacts with described phase-shift circuit 12, for example, when described medium element 13 is directly placed on described phase-shift circuit 12, except meeting makes phase-shift circuit 12 stressed, also can in manipulation medium element 13 moving process, to phase-shift circuit 12 and/or medium element 13, cause wearing and tearing.
Referring to Fig. 2 and Fig. 3, for fear of the as above appearance of problem, dielectric phase shifter 1 of the present utility model is provided with at least one for form the guide rail 14 in gap between described medium element 13 and described phase-shift circuit 12, to avoid described medium element 13 to contact with the direct of described phase-shift circuit 12 in cavity 11.
Described guide rail 14 is strip, is located at along on enclosure wall 110 inwalls of described cavity 11 longitudinallies, and extends along the longitudinally of cavity 11.Described guide rail 14 both can be one-body molded with the enclosure wall 110 of described cavity 11 (being also that described guide rail 14 is one-body molded with described cavity 11), also can be after described cavity 11 moulding, and processing is created on enclosure wall 110 inwalls of described cavity 11.
When described medium element 13 is provided with wall scroll, this guide rail 14 is located on enclosure wall 110 inwalls relative with medium element 13.The alleged enclosure wall 110 relative with medium element 13, refers to the right enclosure wall 110 of medium element 13 thicker end faces herein, be also directly over medium element 13 or under enclosure wall 110.Described medium element 13 is being provided with chute 139 with the corresponding position of described guide rail 14, described medium element 13 is installed with described guide rail 14 mutually to embed the mode of described guide rail 14 in its chute 139, for described medium element 13, along this guide rail 14, do rectilinear motion, and avoid described medium element 13 to touch described phase-shift circuit 12 in mobile process, thereby strengthen the reliability of this phase shifter 1.The cross sectional shape of described guide rail 14 can be arranged by those skilled in the art as required for circle, triangle, rectangle, trapezoidal or other polygons, lower same.
Referring to Fig. 2, when described guide rail 14 is provided with two, described two guide rails 14 can be the identical pair of guide rails of shape, this is located at respectively on the inwall of enclosure wall 110 that cavity 11 is positioned at medium element 13 both sides guide rail 14, and this is located at the At The Height being roughly equal to of two enclosure wall 110 to two guide rails in guide rail 14.Why say that two guide rails 14 are located at the At The Height being roughly equal to of two enclosure wall 110, be because described cavity 11 may not be proper cuboid, or can not strictly equate because mismachining tolerance causes the height of two guide rails 14 in the enclosure wall 110 of cavity 11.Yet, although it should be noted in the discussion above that this can not accomplish strict contour setting to guide rail 14, can realize the function that guide rail 14 of the present utility model has.In addition, it should be noted in the discussion above that the enclosure wall 110 of alleged medium element 13 both sides herein, refer to that this is substantially parallel with the thickness direction of described medium element 13 to enclosure wall, is relative concept with aforesaid " enclosure wall relative with medium element 13 ".
In order to make in accommodation space as often as possible filled media element 13, described phase-shift circuit 12 is preferably installed on this between guide rail 14.So, medium element 13 (as upper strata medium element 130 and layer dielectric element 131) can be all set in the above and below of described phase-shift circuit 12, so that phase shifter of the present utility model 1 obtains the large effective dielectric constant of trying one's best.Therefore the pair of guide rails 14 that, the medium element described in each 13 is positioned at by cavity 11 in the pair of inner wall 110 of medium element 13 both sides supports.
In order to be suitable for the installation of described phase-shift circuit 12, this should be greater than the thickness of described phase-shift circuit 12 to the thickness of each guide rail of guide rail 14, with the described medium element 13 of avoiding being supported on described guide rail 14, contacts with described phase-shift circuit 12.
Described two guide rails 14 can also be located at respectively on enclosure wall 110 inwalls directly over phase-shift circuit 12 and under phase-shift circuit 12.Now, described medium element 13 is provided with two, and described guide rail 14 can be with reference to the set-up mode setting of an above-mentioned guide rail, and described in each, medium element 13 is provided with and the corresponding chute 139 of described guide rail 14.Thereby medium element 13 is installed mutually with the mode that guide rail 14 is embedded in the chute 139 of medium element 13 by guide rail 14.
When described guide rail 14 is provided with two in cavity 11, and described two guide rails 14 are located at respectively directly over phase-shift circuit 12 and under time, they also can be made as different two.As for how the shape of described two guide rails 14 and described two guide rails 14 is set in described cavity 11, setting that specifically can be when only establishing a guide rail 14 in cavity, does not repeat for this reason.
Referring to Fig. 3, described cavity 11 is interior can arrange more guide rails 14, and for example described guide rail 14 is provided with two pairs in described cavity 11.The almost parallel setting in a pair of relative sidewall enclosure wall 110 of medium element 13 both sides of described two pairs of guide rails 14, and between two pairs of guide rails 14, form a pair of that along cavity 11 longitudinallies, extend, for installing the draw-in groove 111 of described phase-shift circuit 12.Described phase-shift circuit 12 is carried on the substrate of pcb board and so on, and described draw-in groove 111 is for the substrate (being above-mentioned media supports 120) of sandwiched phase-shift circuit 12.So, in phase-shift circuit 12 above and belows, respectively form pair of guide rails (as upper rail 141 and lower guideway 142).
Correspondingly, described medium element 13 comprises the top dielectric element 130 of being located on upper rail 141 and the layer dielectric element 131 of being located at lower guideway 142 belows.Described top dielectric element 130 is supported by upper rail 141, and described layer dielectric element 131 is supported by lower guideway 142.Due to the setting of described two pairs of guide rails 14, the activity space of described medium element 13 is restricted, thereby touches described phase-shift circuit 12 in the process of avoiding moving at medium element 13, reaches the object of improving intermodulation and improving reliability.
Incorporated by reference to Fig. 1, in order to make top dielectric element 130 and layer dielectric element 131 synchronizing movings, described medium element 13 also comprises medium Connection Element 132.In addition,, in order to make described medium element 13 driven by the external equipments such as motor (not shown), phase shifter 1 of the present utility model can also be provided with the external force actuation element 15 that is connected and is located at described cavity 11 openends with described medium element 13.
Those skilled in the art can derive and the means that arrange of the dependency structure of the phase-shift circuit in the present embodiment, medium element and guide rail are applied in other embodiment hereinafter.Therefore, if below the discrete structure in the present embodiment is not specifically described, also the phase shifter in not talkative other execution modes of the present utility model can not have this structure, should be arranged as required by those skilled in the art, can realize the purpose of this utility model, is as the criterion.
Embodiment bis-
Referring to Fig. 5 to Fig. 7, in the present embodiment, described dielectric phase shifter is synthetic phase shifter 2, shares a cavity 21 be comprised of a plurality of for example two phase shifter monomers 201,202.
The interior formation of described cavity 21 is two accommodation spaces side by side up and down, and described accommodation space is used for installing phase-shift circuit 22, medium element 23 and other assemblies, and along cavity 21 longitudinallies, do rectilinear motion for described medium element 23.While identical phase-shift circuit 22 being installed in two accommodation spaces, this synthetic phase shifter 2 works in same frequency range, is applicable to single-frequency dual polarized antenna; While installing different phase-shift circuits 22 in two accommodation spaces, this synthetic phase shifter 2 can work in different frequency range, is applicable to multifrequency antenna.
Be similar to embodiment mono-, in the present embodiment, the accommodation space that described in each, phase shifter monomer 201 or 202 cavity are limited by a plurality of enclosure wall 210 and described a plurality of enclosure wall 210 forms, in described accommodation space, be provided with phase-shift circuit 22, between described phase-shift circuit 22 and described enclosure wall 210, be provided with medium element 23.
Described phase-shift circuit 22 comprises the phase shift conductor 220 that metallic conductor 220 forms according to phase-shift circuit principle, and for described metallic conductor 220 is fixed on to the media supports 221 in described cavity 21.Described metallic conductor 220 bendings go out the shape that is roughly U-shaped, comprise two straight-arms 2201 and the base portion 2202 that is connected the straight-arm described in two, and described two straight-arms 2201 are used for connecting transmission cable (not label) away from the end of base portion 2202, as shown in Figure 5.
Referring to Fig. 6, in order to prevent that phase-shift circuit 22 from directly contacting with described medium element 23, between described phase-shift circuit 22 and described medium element 23, be provided with for making phase-shift circuit 22 and medium element 23 keep non-contacting guide rail 24.
Equal corresponding pair of guide rails 24 that is provided with in each phase shifter monomer 201 or 202 accommodation space, described guide rail 24 is located on described enclosure wall 210 inwalls with a height about equally.The height of described guide rail 24 is greater than the thickness of described phase-shift circuit 22, and described phase-shift circuit 22 is located at this between guide rail, and directly over described phase-shift circuit 22 and under be equipped with medium element 23, for example top dielectric element 230 and layer dielectric element 231.
For the ease of handling described medium element 23, along cavity longitudinally, do rectilinear motion, described phase shifter 2 also comprises the external force actuation element 25 being connected with described medium element 23.In addition, in order to keep top dielectric element 230 and layer dielectric element 231 synchronizing movings, described medium element 23 is also provided with medium Connection Element 232.
Referring to Fig. 7, Fig. 7 is the cross-sectional view of cavity of the another kind of phase shifter of embodiment bis-.Described dielectric phase shifter 2 is combined by side by side relationship upper and lower, left and right by four phase shifter monomers 201,202,203,204.
Described guide rail 24 is equipped with a pair of in each phase shifter monomer (as 204), and this is located on the position of the roughly the same height of a pair of relative enclosure wall 210 inwalls guide rail 24.
In addition, described medium element 23 and the set-up mode of described guide rail 24 in each phase shift monomer, for example the quantity of described medium element and described guide rail, shape, structure and position can, with reference to embodiment mono-, not repeat herein for this reason.
In sum, the utility model by arranging some guide rails in the cavity of phase shifter, medium element moves with respect to cavity and phase-shift circuit along described guide rail, thereby realize the phase modulation to the signal in phase shifter, owing to having avoided medium element to contact with the direct of phase-shift circuit, thereby the electrical characteristic of phase shifter and physical characteristic are all optimized greatly.
Although shown exemplary embodiments more of the present utility model above, but it should be appreciated by those skilled in the art that, in the situation that not departing from principle of the present utility model or spirit, can make a change these exemplary embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (12)
1. a dielectric phase shifter, comprise have lengthwise shape accommodation space cavity and in the medium element of inserting the phase-shift circuit of this accommodation space and being slidably mounted on this accommodation space and be arrangeding in parallel with this phase-shift circuit, it is characterized in that, on the inwall of described cavity, be provided with and make described medium element and phase-shift circuit keep non-contacting guide rail.
2. dielectric phase shifter according to claim 1, it is characterized in that, described guide rail is arranged on the inwall that cavity is relative with medium element, and this inwall of cavity arranges the described guide rail of wall scroll, the corresponding position of medium element and guide rail is provided with chute, and installation matches with chute with guide rail.
3. dielectric phase shifter according to claim 1, it is characterized in that, described guide rail is arranged in a pair of opposed inner walls that cavity is positioned at medium element both sides, and the inwall described in each is respectively established a guide rail, and medium element and phase-shift circuit divide the both sides that occupy described guide rail.
4. according to the dielectric phase shifter described in any one in claims 1 to 3, it is characterized in that, described phase-shift circuit comprises phase shift conductor and the media supports for phase shift conductor and described cavity are fixed.
5. dielectric phase shifter according to claim 4, is characterized in that, described media supports is circuit board, and described phase shift conductor is printed on this circuit board.
6. dielectric phase shifter according to claim 4, is characterized in that, described phase shift conductor is metallic plate.
7. according to the dielectric phase shifter described in any one in claims 1 to 3, it is characterized in that, the accommodation space of described cavity connects this cavity setting.
8. according to the dielectric phase shifter described in any one in claims 1 to 3, it is characterized in that, described cavity and guide rail are one-body molded.
9. dielectric phase shifter according to claim 1 and 2, is characterized in that, comprises the medium element described in two, and each medium element is by the guide supporting on a cavity inwall relative with described medium element.
10. according to the dielectric phase shifter described in claim 1 or 3, it is characterized in that, comprise the medium element described in two, the pair of guide rails that the medium element described in each is positioned at by cavity in the pair of inner wall of medium element both sides supports.
11. dielectric phase shifters according to claim 1, it is characterized in that, comprise that medium element described in two and two are located at respectively directly over described phase-shift circuit and under inwall on guide rail, the position that described medium element is corresponding with described guide rail is provided with chute, and the medium element described in each is by the installation that matches with a described guide rail respectively of its chute.
12. according to the dielectric phase shifter described in claim 1 or 3, it is characterized in that, comprise medium element and two pairs of guide rails that almost parallel arranges described in two, between two pairs of guide rails, form the draw-in groove of installing for phase-shift circuit, the pair of guide rails that each medium element is positioned at by cavity in the pair of inner wall of medium element both sides supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269668.1U CN203950891U (en) | 2014-05-23 | 2014-05-23 | Dielectric phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269668.1U CN203950891U (en) | 2014-05-23 | 2014-05-23 | Dielectric phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950891U true CN203950891U (en) | 2014-11-19 |
Family
ID=51892910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420269668.1U Active CN203950891U (en) | 2014-05-23 | 2014-05-23 | Dielectric phase shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203950891U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051821A (en) * | 2014-05-23 | 2014-09-17 | 京信通信技术(广州)有限公司 | Dielectric phase shifter |
| CN107579314A (en) * | 2017-09-18 | 2018-01-12 | 东莞市松研智达工业设计有限公司 | A kind of two-way solid phase shifter |
| CN107681232A (en) * | 2017-09-18 | 2018-02-09 | 东莞市松研智达工业设计有限公司 | Three-dimensional phase-shift structure |
| CN107681231A (en) * | 2017-09-18 | 2018-02-09 | 东莞市松研智达工业设计有限公司 | Two-way phaser mechanism |
| CN108140922A (en) * | 2015-09-15 | 2018-06-08 | 赛尔麦克斯科技公司 | Antenna feeding network |
| CN108604721A (en) * | 2015-11-18 | 2018-09-28 | 上海诺基亚贝尔股份有限公司 | Phase shifter |
-
2014
- 2014-05-23 CN CN201420269668.1U patent/CN203950891U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051821A (en) * | 2014-05-23 | 2014-09-17 | 京信通信技术(广州)有限公司 | Dielectric phase shifter |
| WO2015176552A1 (en) * | 2014-05-23 | 2015-11-26 | 京信通信技术(广州)有限公司 | Dielectric phase shifter |
| US10062940B2 (en) | 2014-05-23 | 2018-08-28 | Comba Telecom Technology (Guangzhou) Ltd. | Dielectric phase shifter comprised of a cavity having an elongated receiving space where a phase shifting circuit and a slideable dielectric element are disposed |
| CN108140922A (en) * | 2015-09-15 | 2018-06-08 | 赛尔麦克斯科技公司 | Antenna feeding network |
| CN108604721A (en) * | 2015-11-18 | 2018-09-28 | 上海诺基亚贝尔股份有限公司 | Phase shifter |
| CN107579314A (en) * | 2017-09-18 | 2018-01-12 | 东莞市松研智达工业设计有限公司 | A kind of two-way solid phase shifter |
| CN107681232A (en) * | 2017-09-18 | 2018-02-09 | 东莞市松研智达工业设计有限公司 | Three-dimensional phase-shift structure |
| CN107681231A (en) * | 2017-09-18 | 2018-02-09 | 东莞市松研智达工业设计有限公司 | Two-way phaser mechanism |
| CN107681232B (en) * | 2017-09-18 | 2019-10-01 | 江苏禹高物联科技有限公司 | Three-dimensional phase-shift structure |
| CN107579314B (en) * | 2017-09-18 | 2019-12-20 | 江苏南京白马现代农业高新技术产业园有限公司 | Double-circuit three-dimensional phase shifter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104051821A (en) | Dielectric phase shifter | |
| CN203950891U (en) | Dielectric phase shifter | |
| CN203910942U (en) | Cavity-type phase shifter | |
| CN205004549U (en) | Electronic card connector | |
| CN107681233B (en) | Phase shifter | |
| CN111180892B (en) | Antenna and phase shifter | |
| EP2710680A1 (en) | Plug contact modules and plug contact arrangement for transmitting frequencies in the gigahertz range | |
| CN104733978B (en) | The manufacturing method of electric connector | |
| CN111029688A (en) | Phase-shifting circuit, phase shifter and electrically-tunable antenna | |
| CN105244568A (en) | Phase shifter dielectric plate and phase shifter | |
| CN108847544A (en) | Electric connector | |
| US9178346B2 (en) | Electric junction box, molding and processing dies therefor | |
| CN205141102U (en) | Move looks ware dielectric plate and move looks ware | |
| CN207409635U (en) | Phase shifter | |
| CN104247577A (en) | Structure body | |
| CN110994085A (en) | Microwave device cavity, microwave device and antenna | |
| CN102222837B (en) | Electric connector | |
| CN110994083A (en) | Phase shifter and antenna | |
| CN211126081U (en) | Phase-shifting circuit, phase shifter and electrically-tunable antenna | |
| US9159510B2 (en) | Fixed contact structure | |
| CN210926250U (en) | Microwave device cavity, microwave device and antenna | |
| CN204271299U (en) | The fixed structure of transmission line on substrate | |
| CN204482047U (en) | Broadband stopping direct current device | |
| CN205069831U (en) | Ware is divided to microstrip merit | |
| CN207505254U (en) | A kind of novel SMD50PIN shells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170208 Address after: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Patentee after: Comba Telecom Systems (China) Co. Ltd. Patentee after: Jingxin Communication Technology (Guangzhou) Co., Ltd. Patentee after: Comba Telecom Systems (Guangzhou) Co., Ltd. Patentee after: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. Address before: 510663 Guangdong city of Guangzhou Province Economic and Technological Development Zone Jinbi Road No. 6 Patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200120 Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee after: Jingxin Communication Technology (Guangzhou) Co., Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Co-patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Patentee before: Jingxin Communication System (China) Co., Ltd. Co-patentee before: Jingxin Communication System (Guangzhou) Co., Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |