CN217182385U - Phase shifter - Google Patents
Phase shifter Download PDFInfo
- Publication number
- CN217182385U CN217182385U CN202221109125.4U CN202221109125U CN217182385U CN 217182385 U CN217182385 U CN 217182385U CN 202221109125 U CN202221109125 U CN 202221109125U CN 217182385 U CN217182385 U CN 217182385U
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- Prior art keywords
- circuit board
- phase shifter
- sliding
- sliding sheet
- conductive coating
- Prior art date
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The utility model relates to the field of mobile communication, in particular to a base station antenna phase shifter, which comprises a circuit board; the sliding sheet comprises a sliding sheet body and a conductive coating; the sliding piece is movably clamped on the circuit board; the gleitbretter body is the working of plastics, conductive coating coat in the gleitbretter body, the utility model discloses compact structure, the commonality is strong, and the suitability is strong to the structure is more simple, can practice thrift the mould cost, has apparent popularization meaning.
Description
Technical Field
The utility model relates to a mobile communication field, concretely relates to base station antenna moves looks ware.
Background
With the development of mobile communication technology, 5G systems have become increasingly popular, and with the increasing density of base stations, operators often use multi-beam antennas to save the number of antennas of a single base station, which can cover a large area with high gain. In addition, in order to solve the coverage problem of the base station antenna, a beam downtilt angle of the base station antenna is usually adjusted, and the beam downtilt angle can be mechanically or electrically tilted, but the mechanical downtilt consumes manpower and material resources, so that the electrically tilted antenna capable of electrically tilted is more and more popular, wherein a phase shifter is a most core component in the electrically tilted antenna.
In the phase shifter structure of the traditional antenna system, the phase shifter structure generally comprises a Printed Circuit Board (PCB), a sliding sheet wiper, a sector transmission gear, a tightening bolt and a nut; screwing the bolt and the nut to fix the PCB and the sliding sheet Wiper at the central hole, wherein the buckling characteristics of the sector teeth are fixed on the back of the PCB; in the working process of the phase shifter, the sector gear drives the sliding sheet Wiper to rotate, so that the physical phase shifting process of the PCB is realized.
Under the condition of the traditional processing technology, the physical length of the phase shifter circuit is changed by mainly relying on the relative motion of a slide sheet and a bottom PCB (both are printed circuit board technologies, and a Trace layer is generated on the surface through etching), so that the phase angle is adjusted; the structure of the sliding sheet and the bottom PCB mainly comprises an internal insulating layer and an external copper layer, based on the limitation of the processing technology, the external surface structures of the two components can only be planes, and special-shaped structures such as grooves, gears and the like can not be generated, and the sliding sheet and the bottom PCB can only be pressed by a plastic sector transmission gear in the relative movement process to generate pressing force so that the sliding sheet and the sliding sheet are attached and the rotation angle of the sliding sheet is controlled; the plastic sector gear has a complex structure and a large tolerance fluctuation range, so that the pressing force is unstable, and the two cannot be tightly attached due to too small pressing force or the sliding vane is difficult to slide due to too large pressing force.
In addition, the processing technology of the printed circuit board is complex, the cost is relatively high, in the phase shifter phase angle adjusting process, the buckling characteristic of the sector gear is in direct contact with the back of the PCB, the sector gear is a plastic part, the wear resistance is generally better than that of a bottom PCB added with PTFE in a certain proportion, therefore, in the relative motion process of the sector gear and the PCB, the green oil layer on the back of the PCB can be worn, the service life of the PCB is influenced, the PCB also has the defects of insufficient rigidity and strength, when the phase is shifted for a long time, the PCB is easy to warp and deform, and the electrical performance is influenced.
Therefore, it is necessary to solve this problem.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a move looks ware, it is complicated to have solved sector gear structure, and tolerance fluctuation range is great, the unstable problem of packing force of gleitbretter and circuit board contact, the utility model discloses a technical scheme as follows:
a phase shifter, comprising:
a circuit board;
the sliding sheet comprises a sliding sheet body and a conductive coating;
the sliding piece is movably clamped on the circuit board;
the slip sheet body is a plastic piece, and the conductive coating is coated on the slip sheet body.
In some embodiments, the slide has a first clamping structure;
the circuit board is provided with a second clamping structure;
the first clamping structure is matched with the second clamping structure so that the sliding sheet is clamped and attached to the circuit board.
In some embodiments, the first snap structure is a snap;
the second clamping structure is matched with the clamping groove of the buckle.
In some embodiments, the slide is pivotally mounted to the circuit board, and the slot is configured as an arc-shaped groove corresponding to the rotational path of the latch.
In some embodiments, the catch and the slider body are of an integrally formed structure.
In some embodiments, the sliding piece is provided with a transmission structure, and the transmission structure is operable to move and drive the sliding piece to move.
In some embodiments, the transmission structure is a sector gear having a toothed feature.
In some embodiments, the transmission structure and the slider body are integrally formed.
In some embodiments, the slide comprises a slide proximal end and a slide distal end;
the circuit board comprises a circuit board front side and a circuit board back side;
the near end of the slip sheet is installed on the front face of the circuit board, and the far end of the slip sheet is turned over from the front face of the circuit board to the back face of the circuit board and is abutted to the back face of the circuit board.
In some embodiments, the conductive plating is applied to the slider body by a plastic electroplating process.
In some embodiments, the circuit board is a printed circuit board;
or
The circuit board comprises a circuit board body and a conductive coating;
the circuit board body is a plastic part, and the conductive coating is coated on the circuit board body through a plastic electroplating process.
In some embodiments, the slider is pivotally connected to the circuit board by a plastic rivet;
or
The sliding sheet is pivoted to the circuit board through a bolt and nut structure.
In some embodiments, further comprising a housing;
the circuit board is mounted to the housing.
In some embodiments, two sets of the sliders and two sets of the circuit boards are disposed within the housing;
the transmission structure positions of the two groups of sliding pieces correspond to each other and are driven by the same driving structure.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
1. the utility model provides a move looks ware, the conductive coating of its gleitbretter pass through plastics electroplating process coat in the gleitbretter body, the gleitbretter can be set up easily into the dysmorphism shape and with the direct joint of circuit board, avoided in the traditional handicraft through the defect of the fixed fan tooth subassembly of mechanical structure, the structure is more simple and working of plastics cost is lower, can save a large amount of costs.
2. The utility model provides a move looks ware is provided with the draw-in groove on the circuit board, is provided with the buckle on the gleitbretter, through the cooperation structure of buckle and draw-in groove make gleitbretter joint and laminate in circuit board, gleitbretter have more stable laminating power with the bottom plate, avoided moving the tolerance fluctuation in the looks work process, have good result of use.
3. The utility model provides a phase shifter, which has a transmission component on the sliding blade to drive the sliding blade to move, the transmission component, the sliding blade body and the buckle can be easily arranged into an integrated structure, which is convenient for processing and manufacturing and has the advantage of low cost; meanwhile, the structure is stable and the structural strength is high.
4. The utility model provides a move looks ware, its gleitbretter near-end install in the circuit board is positive, the gleitbretter distal end from the circuit board openly turn over a book to the circuit board back and with circuit board back butt, form two stable joint structures between gleitbretter and circuit board, further promote stability.
5. The utility model provides a move looks ware, its circuit board also can be set up to the working of plastics and through plastics electroplating process will coat in the plating layer in the circuit board body can greatly improve the frictional wear degree between gleitbretter and the circuit board, promotes the product wear resistance and then improves the life of product, and the circuit board also can adopt traditional printed circuit board, has certain economic benefits.
6. The utility model provides a move looks ware because the simplification of structure can set up two sets of structures of moving the looks and have less space volume in the casing, and two sets of gleitbretters can be driven by same drive assembly, have higher efficiency.
To sum up, the utility model discloses compact structure, the commonality is strong, and the suitability is strong to the structure is more simple, can practice thrift the mould cost, has apparent popularization meaning.
Drawings
The present invention will be described in further detail with reference to the following drawings and detailed description:
FIG. 1 is a schematic view of an assembly structure of a middle sliding piece and a circuit board according to the present invention;
FIG. 2 is a front view of the connection structure of the sliding piece and the circuit board of the present invention;
FIG. 3 is a back view of the connection structure of the sliding piece and the circuit board of the present invention;
FIG. 4 is a schematic view of the overall structure of the sliding blade of the present invention;
FIG. 5 is a front view of the structure of the sliding piece of the present invention;
fig. 6 is a front view of the circuit board structure of the present invention;
fig. 7 is a schematic diagram of an overall structure of a phase shifter according to the present invention;
fig. 8 is an elevation view of the overall structure of a phase shifter according to the present invention;
FIG. 9 is a front view of a connection structure of a slider and a circuit board using a bolt-nut structure;
FIG. 10 is a side view of a slider-to-circuit board connection using a bolt-and-nut arrangement;
FIG. 11 is a back view of a slider-to-circuit board connection using a bolt-and-nut configuration;
FIG. 12 is a schematic view showing the overall structure of a phase shifter using a bolt-and-nut structure;
FIG. 13 is an elevation view of the overall construction of a phase shifter employing a bolt and nut structure;
the reference numbers illustrate:
100 is a slip sheet; 101 is a slide body, 102 is a buckle, and 103 is a transmission structure; 111 is the proximal end of the slider, 112 is the distal end of the slider;
200 is a circuit board, 201 is a circuit board body, 202 is a card slot, 211 is a circuit board front side, and 212 is a circuit board back side;
300 is a rivet;
400 is a bolt, 401 is a nut;
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first," "second," and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
Referring to fig. 1 and 2, a specific implementation of a phase shifter in the present invention is illustrated, which specifically includes a circuit board 200 and a slider 100, wherein the circuit board 200 and the slider 100 are provided with a phase shift circuit, the slider 100 includes a slider body 101 and a conductive plating layer, the conductive plating layer can be a common metal conductive material such as copper, aluminum, etc., the slider body 101 is a plastic part, the conductive plating layer thereon is coated on the slider body 101 through a plastic electroplating process, the slider body 101 provided in the present embodiment is a plastic part, which is easily set to various special-shaped structures, therefore, the slider 100 structure provided in the present embodiment can be set to be movably clamped to the circuit board 200, the slider 100 and the circuit board 200 are attached through a clamping structure, and it is avoided to additionally set a sector assembly to compress the slider 100 and the circuit board 200.
In the phase shifter structure provided by the embodiment, the sliding sheet body 101 is changed into a plastic piece, and a conductive material on the surface is plated in a plastic electroplating mode, so that the product cost is greatly saved; the sliding piece 100 can be designed into an irregular special-shaped structure and is clamped with the circuit board 200, a structure that a fan tooth assembly is fixed through a mechanical structure in the traditional process is omitted, the structure is simpler, the tolerance fluctuation range is smaller, and the matching condition of the sliding piece 100 and the circuit board 200 is more stable, so that the problem that the pressing force between the sliding piece 100 and the circuit board 200 in the traditional structure is unstable is solved, after the sliding piece 100 is changed into a plastic piece, the strength and the rigidity can be improved, and the electrical performance is also greatly improved.
On the basis of the foregoing embodiment, the slider 100 is provided with a first clamping structure, the circuit board 200 is provided with a second clamping structure, and the first clamping structure is matched with the second clamping structure so as to clamp the slider 100 and attach the slider to the circuit board 200. In some embodiments, the first clamping structure is specifically configured as a latch 102, the second clamping structure is a slot 202 adapted to the latch 102, the latch 102 may be provided with a folding edge and the like to cooperate with the slot 202, the slot 202 may be a through slot or a non-through slot of a circuit board body 201 opened on a circuit board 200, during assembly, the latch 102 is disposed in the slot 202 to complete the clamping of the slider 100 and the circuit board 200, in other embodiments, the latch 102 may also be disposed on the circuit board 200 and the slider 100 is provided with a groove, which also has the same technical effect, but the slider 100 needs to have a certain width of the sliding slot to meet the requirement of actual production and installation. It should be noted that the clamping structure between the slider 100 and the circuit board 200 in this embodiment may also be replaced by other clamping structures commonly used in the prior art, and in addition, the connection manner between the slider 100 and the circuit board 200 in this embodiment is not limited to the clamping structure, and may also be replaced by other connecting structures commonly used in the prior art, which is not described again.
The structural design of the buckle 102 and the clamping groove 202 adopted in the embodiment can greatly reduce the processing difficulty of the sliding piece 100 and the circuit board 200, wherein the buckle 102 can be integrated with the sliding piece body 101 through a plastic injection molding process, so that the sliding piece has structural stability and is convenient to produce and process. In addition, the number of the buckles 102 can also be flexibly set to be two or more, and two or more buckles 102 are arranged in the same clamping groove 202, so that clamping stability can be better provided.
In some embodiments, the phase shifter provided in the present invention is configured as an arc-shaped phase shifter, the sliding plate 100 is configured to be pivotally mounted on the circuit board 200, the clamping groove 202 is configured as an arc-shaped groove corresponding to the rotation path of the buckle 102, and the sliding plate 100 rotates to generate a limit change.
The utility model provides a move looks ware structure, refer to fig. 1 to fig. 2, because gleitbretter 100 and the direct joint of circuit board 200, therefore transmission structure 103 is set up on gleitbretter body 101, and transmission structure 103 is moved and is driven by operatable gleitbretter 100, its structure has the technical effect of easily processing, preferably, transmission structure 103 is for having the profile of tooth characteristic and being used for being connected with the driving piece that has the profile of tooth of adaptation, is being set up to the structure that the arc moved the ware, transmission structure 103 set up to sector gear correspondingly, because the utility model provides a gleitbretter body 101 is the working of plastics, consequently, transmission structure 103 also can be set up to the working of plastics and form the structure of integration with gleitbretter body 101 through injection moulding's technology, have stable in structure, the characteristics of being convenient for processing.
Referring to fig. 3 to 4, the slider 100 of the present invention includes a slider proximal end 111 and a slider distal end 112, the circuit board 200 includes a circuit board front 211 and a circuit board 200 back, in some embodiments, the slider 100 is specifically configured to have its slider proximal end 111 installed on the circuit board front 211, the slider distal end 112 is formed by the circuit board front 211 turning over to the circuit board 200 back and abutting against the circuit board 200 back to form a clamping structure between the slider 100 and the circuit board 200, the turning over clamping structure is also formed by the plastic slider body 101, and is convenient to process, in other embodiments, the slider distal end 112 may also form a clamping with the circuit board 200 back through a common clamping structure, such as connecting the slider distal end 112 with the circuit board 200 back through a separate clamping piece. In the foregoing embodiment with the structure of the latch 102 and the latch 202, the latch 102 is disposed at the middle position of the slider 100, and another latch structure is formed at the position of the distal end 112 of the slider for latching with the back of the circuit board 200, so that two stable latch sites are formed between the slider 100 and the circuit board 200, which can greatly improve the stability of latching between the slider 100 and the circuit board 200.
Referring to fig. 5 to 7, in some embodiments, the structure of the circuit board 200 is specifically configured to include a circuit board body 201 and a conductive coating, where the conductive coating is coated on the circuit board body 201 through a plastic electroplating process, and the cost advantage of the circuit board 200 made of plastic is very obvious compared with the cost advantage of the printed circuit board 200, which is significant in improving the product economy, and meanwhile, if the circuit board 200 adopts the plastic electroplating process, the rigidity strength of the circuit board 200 is improved to a certain extent, so that the circuit board is not easy to warp and deform, and the electrical performance is improved, thereby not only solving the problem of insufficient rigidity of the PCB of the printed circuit board base plate, but also solving the problems of friction and wear of the circuit board 200 and shortened product life due to different materials between the plastic sector and the bottom PCB. The slider 100 and the circuit board 200 made of plastic also have better structural strength. It is worth noting, because the utility model discloses well circuit board 200's effect can be only designs the notched structure on its body, the utility model discloses in a required circuit board 200 also can adopt traditional printed circuit board 200's preparation technology, though its effect is not as good as the circuit board 200 who adopts the working of plastics preparation, nevertheless the cooperation adopts the gleitbretter 100 structure of working of plastics preparation, its result of use is still superior to traditional phase shifter structure.
Referring to fig. 8 to 11, in the embodiment where the slider 100 is pivotally connected to the circuit board 200, the phase shifter is an arc-shaped phase shifter, and the slider 100 is pivotally connected to the circuit board 200 by a rivet 300, preferably, the rivet 300 is a plastic rivet, and is made of the same plastic material as the slider and the circuit board 200; alternatively, the slide plate may be pivotally connected to the circuit board 200 through a bolt-nut structure, and the bolt-nut structure may be made of plastic or metal.
Referring to fig. 12 to 13, the present invention provides a phase shifter structure further comprising a housing 500, wherein the circuit board 200 is installed on the housing 500, due to the simplification of the sliding piece 100 and the bottom plate structure, the volume of the phase shifting structure in these embodiments is greatly reduced, in some embodiments, two sets of the sliding piece 100 and two sets of the circuit board 200 are disposed in the housing 500 to form two sets of the phase shifting structure, two sets of the sliding piece 100 are corresponding to the position of the transmission structure 103 and are driven by the same driving structure, in the embodiment where the transmission assembly is configured as a sector gear, two sets of sector gears are disposed oppositely and driven by the same driving assembly, which can greatly reduce the material cost and has further economic benefits.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (14)
1. Phase shifter, characterized by, including:
a circuit board;
the sliding sheet comprises a sliding sheet body and a conductive coating;
the sliding piece is movably clamped on the circuit board;
the slip sheet body is a plastic piece, and the conductive coating is coated on the slip sheet body.
2. The phase shifter according to claim 1,
the sliding piece is provided with a first clamping structure;
the circuit board is provided with a second clamping structure;
the first clamping structure is matched with the second clamping structure so that the sliding sheet is clamped and attached to the circuit board.
3. The phase shifter according to claim 2,
the first clamping structure is a buckle;
the second clamping structure is matched with the clamping groove of the buckle.
4. The phase shifter according to claim 3,
the slide plate is pivotally mounted on the circuit board, and the clamping groove is arranged to be an arc-shaped groove corresponding to the buckle rotating path.
5. Phase shifter as in claim 3 or 4,
the buckle and the sliding sheet body are of an integrally formed structure.
6. The phase shifter according to claim 1,
the sliding sheet is provided with a transmission structure, and the transmission structure can be operated to move and drives the sliding sheet to move.
7. The phase shifter according to claim 6,
the transmission structure is a sector gear with a tooth profile characteristic.
8. Phase shifter as in claim 6 or 7,
the transmission structure and the slip sheet body are of an integrally formed structure.
9. Phase shifter as in any one of claims 1, 2, 3, 4, 6, 7,
the sliding sheet comprises a sliding sheet near end and a sliding sheet far end;
the circuit board comprises a circuit board front side and a circuit board back side;
the near end of the slip sheet is installed on the front face of the circuit board, and the far end of the slip sheet is turned over from the front face of the circuit board to the back face of the circuit board and is abutted to the back face of the circuit board.
10. Phase shifter as in claim 1,
the conductive coating is coated on the sliding sheet body through a plastic electroplating process.
11. Phase shifter as in claim 1 or 10,
the circuit board is a printed circuit board;
or
The circuit board comprises a circuit board body and a conductive coating;
the circuit board body is a plastic part, and the conductive coating is coated on the circuit board body through a plastic electroplating process.
12. The phase shifter as recited in claim 4,
the sliding sheet is pivoted to the circuit board through a plastic rivet;
or
The sliding sheet is pivoted to the circuit board through a bolt and nut structure.
13. Phase shifter as in claim 6 or 7,
the device also comprises a shell;
the circuit board is mounted to the housing.
14. The phase shifter as recited in claim 13,
two groups of sliding sheets and two groups of circuit boards are arranged in the shell;
the transmission structure positions of the two groups of sliding pieces correspond to each other and are driven by the same driving structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221109125.4U CN217182385U (en) | 2022-05-10 | 2022-05-10 | Phase shifter |
| PCT/CN2022/139179 WO2023216588A1 (en) | 2022-05-10 | 2022-12-15 | Phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221109125.4U CN217182385U (en) | 2022-05-10 | 2022-05-10 | Phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217182385U true CN217182385U (en) | 2022-08-12 |
Family
ID=82712789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221109125.4U Active CN217182385U (en) | 2022-05-10 | 2022-05-10 | Phase shifter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN217182385U (en) |
| WO (1) | WO2023216588A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216588A1 (en) * | 2022-05-10 | 2023-11-16 | 普罗斯通信技术（苏州）有限公司 | Phase shifter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7298233B2 (en) * | 2004-10-13 | 2007-11-20 | Andrew Corporation | Panel antenna with variable phase shifter |
| US8674787B2 (en) * | 2009-09-14 | 2014-03-18 | Andrew Llc | Plural phase shifter assembly having wiper PCBs movable by a pivot arm/throw arm assembly |
| CN209447994U (en) * | 2019-01-23 | 2019-09-27 | 广东通宇通讯股份有限公司 | Antenna phasing unit made of a kind of plastics parcel plating |
| CN113972493A (en) * | 2020-07-24 | 2022-01-25 | 康普技术有限责任公司 | Phase shifter, electric tuning system and base station antenna |
| CN214477816U (en) * | 2021-01-14 | 2021-10-22 | 深圳国人通信股份有限公司 | Phase shifter |
| CN217182385U (en) * | 2022-05-10 | 2022-08-12 | 罗森伯格技术有限公司 | Phase shifter |
-
2022
- 2022-05-10 CN CN202221109125.4U patent/CN217182385U/en active Active
- 2022-12-15 WO PCT/CN2022/139179 patent/WO2023216588A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216588A1 (en) * | 2022-05-10 | 2023-11-16 | 普罗斯通信技术（苏州）有限公司 | Phase shifter |
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| Publication number | Publication date |
|---|---|
| WO2023216588A1 (en) | 2023-11-16 |
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Address after: 215300 No.6 Shen'an Road, Dianshanhu Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: ProLogis Communication Technology (Suzhou) Co.,Ltd. Address before: 215345 No. 6 Shen'an Road, Dianshan Lake Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Rosenberg Technology Co.,Ltd. |