CN112436249A - Phase shifter - Google Patents
Phase shifter Download PDFInfo
- Publication number
- CN112436249A CN112436249A CN202011269035.7A CN202011269035A CN112436249A CN 112436249 A CN112436249 A CN 112436249A CN 202011269035 A CN202011269035 A CN 202011269035A CN 112436249 A CN112436249 A CN 112436249A
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- CN
- China
- Prior art keywords
- microstrip
- phase shifter
- elastic gasket
- guide groove
- circuit board
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The invention discloses a phase shifter in the technical field of phase shifters, which comprises: the microstrip circuit board is provided with a first microstrip line; the microstrip sliding piece is arranged above the microstrip circuit board, and a microstrip line II is arranged on the microstrip sliding piece and is abutted against the microstrip line I; the elastic gasket is arranged above the microstrip sliding piece and is abutted against the microstrip sliding piece; the pull piece is arranged above the elastic gasket and connected with the microstrip sliding piece and the elastic gasket, and is used for driving the microstrip sliding piece and the elastic gasket to perform reciprocating translation; the shell is arranged above the pull piece, and two sides of the shell are connected with the microstrip circuit board. The phase shifter is of a flat structure, so that the thickness of the phase shifter is effectively reduced, and the market demand is met; meanwhile, the reliability risk caused by the introduction of the dielectric block is reduced, the complexity of the whole structure is reduced, and the reliability of the device is improved.
Description
Technical Field
The invention relates to the technical field of phase shifters, in particular to a phase shifter.
Background
The 5G antenna is used as a key component of a 5G mobile communication system and widely applied to various 5G mobile communication systems, the 5G electrically-tuned antenna is widely applied along with the diversification of the use context of the 5G antenna, and the phase shifter is a key structure for realizing the electrically-tuned function of the 5G antenna.
In the development process of the current mobile communication equipment tending to small size, light weight, thin shape and high performance, the thickness of the phase shifter is required to be thinner and thinner, and the reliability of the phase shifter is also required to be higher and higher.
Disclosure of Invention
This application is through providing a novel looks ware that moves, simplifies and moves the looks ware structure, reduces the thickness that moves the looks ware, promotes the reliability that moves the ware simultaneously.
An embodiment of the present application provides a phase shifter, including:
the microstrip circuit board is provided with a first microstrip line;
the microstrip sliding piece is arranged above the microstrip circuit board, a microstrip line II is arranged on the microstrip sliding piece, and the microstrip line II is abutted against the microstrip line I;
the elastic gasket is arranged above the microstrip sliding piece and is abutted against the microstrip sliding piece;
the pulling piece is arranged above the elastic gasket and connected with the microstrip sliding piece and the elastic gasket, and is used for driving the microstrip sliding piece and the elastic gasket to perform reciprocating translation;
the shell is arranged above the pull sheet, and two sides of the shell are connected with the microstrip circuit board.
The beneficial effects of the above embodiment are as follows: compared with the conventional dielectric phase shifter, the phase shifter cancels the dielectric block part, reduces the complexity of the whole structure, saves the cost, avoids the temperature resistance of the dielectric block material and the inconsistency of the dielectric block batch, reduces the reliability risk caused by the introduction of the dielectric block, and further improves the consistency and the performance stability of the phase shifter; the microstrip sliding sheet, the elastic gasket and the pulling sheet are arranged between the microstrip circuit board and the shell and are of a flat structure, so that the thickness of the phase shifter is effectively reduced, and the market demand is met; the elastic gasket compresses the microstrip sliding vane so that the microstrip sliding vane is always tightly attached to the microstrip circuit board to enable the first microstrip line and the second microstrip line to be in close contact, and the reliability of the device is improved.
On the basis of the above embodiments, the present application can be further improved, specifically as follows:
in one embodiment of the application, the microstrip sliding sheet and the elastic gasket are respectively and correspondingly provided with a positioning hole, one surface of the pulling sheet facing the elastic gasket is provided with a positioning column matched with the positioning block, the microstrip circuit board is provided with a first guide groove matched with the positioning column, and the positioning column penetrates through the positioning hole and is inserted into the first guide groove and can move back and forth along the first guide groove. The positioning column is clamped in the positioning hole, so that synchronous movement of the microstrip sliding piece, the elastic gasket and the pulling piece is guaranteed, and meanwhile, the guide slot I is used for limiting the moving direction and range of the positioning column, so that the reciprocating moving direction and range of the microstrip sliding piece are limited, and the microstrip line II is not separated from the microstrip line I; the positioning column has the fixing and guiding functions at the same time, and the phase shifter structure is simplified.
In one embodiment of the application, the microstrip sliding sheet and the elastic gasket are respectively provided with a through hole correspondingly, one surface of the pulling sheet facing the elastic gasket is provided with a buckle matched with the through hole, the buckle is matched with the first guide groove, and the buckle penetrates through the through hole and is inserted into the first guide groove and can move back and forth along the first guide groove. The microstrip sliding sheet and the elastic gasket are further fixed on the pulling sheet through the cooperation of the buckle and the positioning column, so that the reliability is improved; the first guide groove is used for limiting the moving direction and range of the buckle and the positioning column, so that the reciprocating moving direction and range of the microstrip sliding piece are limited, the second microstrip line is not separated from the first microstrip line, the buckle and the positioning column play a role in fixing and guiding at the same time, and the phase shifter structure is simplified.
In one embodiment of the application, the housing is provided with a second guide groove parallel to the first guide groove, the pull tab is provided with a guide post matched with the second guide groove, and the guide post is inserted into the second guide groove and can reciprocate along the second guide groove. The moving direction and the moving range of the pull piece are further limited through the matching of the guide post and the guide groove II, so that the second microstrip line is not separated from the first microstrip line, and the reliability of a product is improved.
In one embodiment of the present application, a side of the pull tab facing the housing is provided with a plurality of strip-shaped protrusions. The pulling-on piece passes through bar arch and shell contact and slides, reduce with shell area of contact to reduce frictional force makes things convenient for the pull.
In one embodiment of the present application, one end of the pull tab protrudes from one side of the housing, and the protruding end of the pull tab is provided with a bump, and the upper surface of the bump is not higher than the upper surface of the housing. The pulling-on piece is provided with the lug, makes things convenient for personnel's pull, and the whole height of pulling-on piece is not higher than the shell, has guaranteed that whole looks ware thickness accomplishes the minimum, satisfies the various slim antenna requirements of customer.
In one embodiment of the present application, the distance between the top surface inside the housing and the upper surface of the microstrip circuit board is smaller than the sum of the thicknesses of the main bodies of the pull tab, the elastic gasket and the microstrip slide sheet. A fixed space is formed between the shell and the upper surface of the microstrip circuit board, the height of the space is smaller than the sum of the thicknesses of the pulling-on piece, the elastic gasket and the microstrip sliding piece, so that the pulling-on piece and the elastic gasket are extruded by the shell, the microstrip sliding piece is extruded by the elastic gasket to be tightly attached to the microstrip circuit board, the connection effect of the first microstrip line and the second microstrip line is ensured, and the reliability of a product is improved.
In one embodiment of the application, the microstrip sliding sheet and the elastic gasket are respectively provided with two sets of microstrip lines one and two guide grooves one side by side, the microstrip circuit board is correspondingly provided with two sets of microstrip lines one and two sets of guide grooves one side by side, and the pull sheet is correspondingly provided with two sets of buckles and two sets of positioning columns. And a pull piece pulls the two microstrip sliding pieces to be attached to the microstrip circuit board for translation, a microstrip line two on each microstrip sliding piece is respectively attached to a corresponding microstrip line one of the microstrip circuit board to form two phase shifts, and the two phase shifts share one shell and one pull piece, so that the material cost is reduced.
In one embodiment of the present application, the elastic pad is provided with an elastic portion, the elastic portion adopts a convex hull structure, and a top surface of the elastic portion is a plane. The elastic part adopts a convex hull structure to control the elastic force, and the top surface of the elastic part is a plane, so that stable contact with the microstrip sliding sheet is ensured, and the reliability of the product is improved.
In one embodiment of the present application, the elastic portion is made of elastic silicone rubber. The elastic silicon rubber can keep stable elasticity for a long time within the range of ambient temperature from-40 ℃ to 125 ℃.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. compared with the conventional dielectric phase shifter, the phase shifter cancels the dielectric block part, reduces the complexity of the whole structure, saves the cost, avoids the temperature resistance of the dielectric block material and the inconsistency of the dielectric block batch, reduces the reliability risk caused by the introduction of the dielectric block, and further improves the consistency and the performance stability of the phase shifter;
2. the microstrip sliding sheet, the elastic gasket and the pulling sheet are arranged between the microstrip circuit board and the shell and are of a flat structure, so that the thickness of the phase shifter is effectively reduced, and the market demand is met;
3. the elastic gasket compresses the microstrip sliding vane so that the microstrip sliding vane is always tightly attached to the microstrip circuit board to enable the first microstrip line and the second microstrip line to be in close contact, and the reliability of the device is improved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is an exploded view of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a microstrip circuit board according to an embodiment of the invention;
FIG. 5 is a schematic structural diagram of a microstrip sliding plate according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an elastic gasket according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a pull tab according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a housing according to an embodiment of the invention;
FIG. 9 is an exploded view of a second embodiment of the present invention;
FIG. 10 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 11 is a structural sectional view of a second embodiment of the present invention;
fig. 12 is a schematic structural diagram of a microstrip circuit board according to a second embodiment of the present invention;
FIG. 13 is a schematic structural diagram of a microstrip sliding plate according to a second embodiment of the present invention;
FIG. 14 is a schematic structural diagram of an elastic gasket according to a second embodiment of the present invention;
FIG. 15 is a schematic structural view of a pull tab in the second embodiment of the present invention;
FIG. 16 is a schematic structural diagram of a housing according to a second embodiment of the present invention;
the micro-strip circuit board comprises a micro-strip circuit board 1, a micro-strip line I11, a micro-strip line I12, a guide groove I2, a micro-strip slide sheet 21, a micro-strip line II 22, a positioning hole I23, a through hole I23, an elastic gasket 3, an elastic part 31, a positioning hole II 32, a through hole II 33, a pull sheet 4, a positioning column 41, a guide column 42, a protrusion 43, a bump 44, a buckle 45, a shell 5 and a guide groove II 51.
Detailed Description
The present invention is further illustrated by the following detailed description, which is to be construed as merely illustrative and not limitative of the remainder of the disclosure, and modifications and variations such as those ordinarily skilled in the art are intended to be included within the scope of the present invention as defined in the appended claims.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "vertical", "peripheral surface" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the term "vertical" or the like does not imply that the components are required to be absolutely horizontal or overhanging, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In describing the invention, it is not necessary for a schematic representation of the above terminology to be directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples of the invention and features of different embodiments or examples described herein may be combined and combined by those skilled in the art without contradiction.
The embodiment of the application simplifies the phase shifter structure by providing the phase shifter, reduces the thickness of the phase shifter and simultaneously improves the reliability of the phase shifter.
In order to solve the above problems, the technical solution in the embodiment of the present application has the following general idea:
the first embodiment is as follows:
as shown in fig. 1 to 8, an embodiment of the present application provides a phase shifter, which sequentially includes, from bottom to top, a microstrip circuit board 1, a microstrip sliding piece 2, an elastic pad 3, a pull tab 4, and a housing 5;
a first microstrip line 11 is arranged on the microstrip circuit board 1, the first microstrip line 11 comprises two parallel and non-intersecting straight-line-segment type microwave transmission lines, and a first guide groove 12 is formed between the two microwave transmission lines;
a second microstrip line 21 is arranged on the microstrip sliding piece 2, the second microstrip line 21 comprises a U-shaped microwave transmission line, two sides of the U-shaped microwave transmission line are respectively parallel to and abut against the two microwave transmission lines of the first microstrip line 11, and two positioning holes I22 are formed in the microstrip sliding piece 2;
the elastic gasket 3 is provided with an elastic part 31, the elastic part 31 props against the microstrip sliding piece 2, and the elastic gasket 3 is provided with two positioning holes 32 corresponding to the microstrip sliding piece 2;
one surface of the pull-tab 4 facing the elastic gasket 3 is provided with two positioning columns 41, the positioning columns 41 are matched with the positioning holes II 32 and the positioning holes I22, the positioning columns 41 penetrate through the positioning holes II 32 and the positioning holes I22 and are inserted into the guide grooves I12 and can reciprocate along the guide grooves I12, one surface of the pull-tab 4 facing the shell 5 is provided with at least one guide column 42 and a plurality of strip-shaped protrusions 43, one end of the pull-tab 4 extends out of one side of the shell 5, the extending end of the pull-tab 4 is provided with a convex block 44, and the upper surface of the convex block 44 is;
the two sides of the shell 5 are clamped and fixed on the microstrip circuit board 1, the shell 5 is provided with a guide groove II 51 parallel to the guide groove I12, the guide post 42 on the pull piece 4 is inserted into the guide groove II 51 and can reciprocate along the guide groove II 51, the strip-shaped bulge 43 is in contact with the shell 5 and can slide, and the distance between the inner top surface of the shell 5 and the upper surface of the microstrip circuit board 1 is smaller than the sum of the thicknesses of the main bodies of the pull piece 4, the elastic gasket 3 and the microstrip slide piece 2.
Optionally, the elastic portion 31 of the elastic pad 3 is of a convex hull structure, the top surface of the elastic portion is a plane, and the elastic portion 31 is made of elastic silicone rubber.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
1. compared with the conventional dielectric phase shifter, the phase shifter cancels the dielectric block part, reduces the complexity of the whole structure, saves the cost, avoids the temperature resistance of the dielectric block material and the inconsistency of the dielectric block batch, reduces the reliability risk caused by the introduction of the dielectric block, and further improves the consistency and the performance stability of the phase shifter;
2. the microstrip sliding sheet, the elastic gasket and the pulling sheet are arranged between the microstrip circuit board and the shell and are of a flat structure, so that the thickness of the phase shifter is effectively reduced, and the market demand is met;
3. the elastic gasket compresses the microstrip sliding vane so that the microstrip sliding vane is always tightly attached to the microstrip circuit board to enable the first microstrip line and the second microstrip line to be in close contact, and the reliability of the device is improved.
Example two:
as shown in fig. 9 to 16, on the basis of the first embodiment, in order to reinforce the connection relationship between the pull tab 4 and the microstrip sliding piece 2 and the elastic pad 3, the connection manner between the pull tab 4 and the microstrip sliding piece 2 and the elastic pad 3 is improved as follows: two through holes I23 and one positioning hole I22 are formed in the microstrip sliding piece 2, two through holes II 33 and one positioning hole II 32 corresponding to the microstrip sliding piece 2 are formed in the elastic gasket 3, two buckles 45 and one positioning column 41 are arranged on one surface, facing the elastic gasket 3, of the pulling piece 4, the buckles 45 are matched with the through holes I23, the through holes II 33 and the guiding groove I12, the buckles 45 penetrate through the through holes II 33 and the through holes I23 and are inserted into the guiding groove I12 and can reciprocate along the guiding groove I12, the positioning columns 41 are matched with the positioning holes II 32 and the positioning hole I22 and are inserted into the positioning holes II 32 and the positioning hole I22, the positioning columns 41 penetrate through the positioning holes II 32 and the positioning hole I22 and are inserted into the guiding groove I12 and can reciprocate along the guiding groove I12, and the guiding groove I12 is used for limiting the moving direction and range.
In addition, the microstrip sliding sheet 2 and the elastic gasket 3 are respectively arranged in parallel, two sets of microstrip lines one 11 and guide grooves one 12 are correspondingly arranged on the microstrip circuit board 1 in parallel, and two sets of buckles 45 and positioning columns 41 are correspondingly arranged on the pull sheet 4.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
1. the microstrip sliding sheet and the elastic gasket are further fixed on the pulling sheet through the cooperation of the buckle and the positioning column, so that the reliability is improved;
2. and a pull piece pulls the two microstrip sliding pieces to be attached to the microstrip circuit board for translation, a microstrip line two on each microstrip sliding piece is respectively attached to a corresponding microstrip line one of the microstrip circuit board to form two phase shifts, and the two phase shifts share one shell and one pull piece, so that the material cost is reduced.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A phase shifter, comprising:
a microstrip circuit board;
the microstrip sliding sheet is arranged above the microstrip circuit board;
the elastic gasket is arranged above the microstrip sliding piece and is abutted against the microstrip sliding piece;
the pulling piece is arranged above the elastic gasket and connected with the microstrip sliding piece and the elastic gasket, and is used for driving the microstrip sliding piece and the elastic gasket to perform reciprocating translation;
the shell is arranged above the pull sheet, and two sides of the shell are connected with the microstrip circuit board;
the microstrip circuit board is provided with a first microstrip line, the microstrip slide plate is provided with a second microstrip line, and the second microstrip line is abutted against the first microstrip line.
2. The phase shifter as recited in claim 1, wherein: the microstrip sliding sheet and the elastic gasket are respectively and correspondingly provided with a positioning hole, one surface of the pulling sheet facing the elastic gasket is provided with a positioning column matched with the positioning block, the microstrip circuit board is provided with a first guide groove matched with the positioning column, and the positioning column penetrates through the positioning hole and is inserted into the first guide groove and can reciprocate along the first guide groove.
3. The phase shifter as recited in claim 2, wherein: the microstrip slip sheet and the elastic gasket are respectively provided with through holes correspondingly, one surface of the pull sheet facing the elastic gasket is provided with a buckle matched with the through holes, the buckle is matched with the first guide groove, and the buckle penetrates through the through holes and is inserted into the first guide groove and can move back and forth along the first guide groove.
4. A phase shifter according to any one of claims 2-3, characterized in that: the shell is provided with a second guide groove parallel to the first guide groove, the pull piece is provided with a guide post matched with the second guide groove, and the guide post is inserted into the second guide groove and can reciprocate along the second guide groove.
5. The phase shifter as recited in claim 4, wherein: the pull piece is provided with a plurality of bar-shaped bulges towards one side of the shell.
6. The phase shifter as recited in claim 4, wherein: one end of the pulling piece extends out of one side of the shell, a protruding block is arranged at the extending end of the pulling piece, and the upper surface of the protruding block is not higher than the upper surface of the shell.
7. The phase shifter as recited in claim 1, wherein: the distance between the inner top surface of the shell and the upper surface of the microstrip circuit board is smaller than the sum of the thicknesses of the main bodies of the pull piece, the elastic gasket and the microstrip slide sheet.
8. A phase shifter according to claim 3, wherein: the microstrip sliding sheet and the elastic gasket are respectively provided with two sets of microstrip lines I and guide grooves I side by side, two sets of buckles and positioning columns are correspondingly arranged on the microstrip circuit board, and the two sets of buckles and the two sets of guide grooves I are correspondingly arranged on the pull sheet.
9. The phase shifter as recited in claim 1, wherein: the elastic gasket is provided with an elastic part, the elastic part adopts a convex hull structure, and the top surface of the elastic part is a plane.
10. The phase shifter as recited in claim 9, wherein: the elastic part is made of elastic silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011269035.7A CN112436249A (en) | 2020-11-13 | 2020-11-13 | Phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011269035.7A CN112436249A (en) | 2020-11-13 | 2020-11-13 | Phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112436249A true CN112436249A (en) | 2021-03-02 |
Family
ID=74700981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011269035.7A Withdrawn CN112436249A (en) | 2020-11-13 | 2020-11-13 | Phase shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112436249A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259941A (en) * | 2020-11-18 | 2021-01-22 | 深圳国人科技股份有限公司 | Phase shifter |
| CN113140881A (en) * | 2021-04-07 | 2021-07-20 | 博微太赫兹信息科技有限公司 | 45-degree-rotation-angle millimeter wave differential line-to-SIW (substrate integrated waveguide) structure |
| CN113629399A (en) * | 2021-08-06 | 2021-11-09 | 苏州东山精密制造股份有限公司 | Phase shifter and base station antenna |
| CN113871822A (en) * | 2021-11-02 | 2021-12-31 | 江苏亨鑫科技有限公司 | Phase shifter with adjustable output mode and antenna |
| WO2022227035A1 (en) * | 2021-04-30 | 2022-11-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Phase shifter, antenna unit, and base station |
| WO2023085845A3 (en) * | 2021-11-11 | 2023-08-03 | 주식회사 에이스테크놀로지 | Millimeter-wave phase shifter driving apparatus for preventing distortion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008072402A1 (en) * | 2006-12-15 | 2008-06-19 | Elmec Corporation | Variable delay line |
| CN209183688U (en) * | 2018-12-19 | 2019-07-30 | 广东通宇通讯股份有限公司 | A kind of micro belt shifting phase to hold down assembly with stabilization |
| CN111883883A (en) * | 2020-08-12 | 2020-11-03 | 武汉虹信科技发展有限责任公司 | PCB moves looks ware and basic station antenna |
| CN112271420A (en) * | 2020-11-03 | 2021-01-26 | 深圳市深大唯同科技有限公司 | Microstrip phase shifter |
| CN213278336U (en) * | 2020-11-13 | 2021-05-25 | 扬州市宜楠科技有限公司 | Phase shifter |
-
2020
- 2020-11-13 CN CN202011269035.7A patent/CN112436249A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008072402A1 (en) * | 2006-12-15 | 2008-06-19 | Elmec Corporation | Variable delay line |
| CN209183688U (en) * | 2018-12-19 | 2019-07-30 | 广东通宇通讯股份有限公司 | A kind of micro belt shifting phase to hold down assembly with stabilization |
| CN111883883A (en) * | 2020-08-12 | 2020-11-03 | 武汉虹信科技发展有限责任公司 | PCB moves looks ware and basic station antenna |
| CN112271420A (en) * | 2020-11-03 | 2021-01-26 | 深圳市深大唯同科技有限公司 | Microstrip phase shifter |
| CN213278336U (en) * | 2020-11-13 | 2021-05-25 | 扬州市宜楠科技有限公司 | Phase shifter |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259941A (en) * | 2020-11-18 | 2021-01-22 | 深圳国人科技股份有限公司 | Phase shifter |
| CN113140881A (en) * | 2021-04-07 | 2021-07-20 | 博微太赫兹信息科技有限公司 | 45-degree-rotation-angle millimeter wave differential line-to-SIW (substrate integrated waveguide) structure |
| WO2022227035A1 (en) * | 2021-04-30 | 2022-11-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Phase shifter, antenna unit, and base station |
| WO2022227371A1 (en) * | 2021-04-30 | 2022-11-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Phase shifting device, antenna unit and base station |
| CN113629399A (en) * | 2021-08-06 | 2021-11-09 | 苏州东山精密制造股份有限公司 | Phase shifter and base station antenna |
| CN113871822A (en) * | 2021-11-02 | 2021-12-31 | 江苏亨鑫科技有限公司 | Phase shifter with adjustable output mode and antenna |
| CN113871822B (en) * | 2021-11-02 | 2022-08-09 | 江苏亨鑫科技有限公司 | Phase shifter with adjustable output mode and antenna |
| WO2023085845A3 (en) * | 2021-11-11 | 2023-08-03 | 주식회사 에이스테크놀로지 | Millimeter-wave phase shifter driving apparatus for preventing distortion |
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Application publication date: 20210302 |