CN107403981A - A kind of minimized wide-band slow-wave structure phase shifter - Google Patents
A kind of minimized wide-band slow-wave structure phase shifter Download PDFInfo
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- CN107403981A CN107403981A CN201710595401.XA CN201710595401A CN107403981A CN 107403981 A CN107403981 A CN 107403981A CN 201710595401 A CN201710595401 A CN 201710595401A CN 107403981 A CN107403981 A CN 107403981A
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- phase shift
- slow
- slide plate
- medium substrate
- wave structure
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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
- H01P1/184—Strip line phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- 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
- H01Q3/34—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 electrical means
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Manufacturing & Machinery (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The present invention provides a kind of miniaturization broadband slow-wave structure phase shifter, including phase shift plate, the first phase shift slide plate, the second phase shift slide plate, phase shift board fixer, phase shift slide plate fixing device, the first phase shift slide plate positioner, the second phase shift slide plate positioner and cable interface；Phase shift plate includes medium substrate, the first slow-wave structure circular arc and the second slow-wave structure circular arc, center phase output line and microstrip feed line；Phase shift plate is fixed on phase shift board fixer, and phase shift plate both ends are connected by cable interface with antenna radiation unit；First phase shift slide plate is fixed on phase shift plate by phase shift slide plate fixing device and the first phase shift slide plate positioner, and the second phase shift slide plate is fixed on phase shift plate by phase shift slide plate fixing device and the second phase shift slide plate positioner.
Description
Technical field
The present invention relates to antenna of mobile communication base station technical field, is specifically related to a kind of minimized wide-band slow-wave structure and moves
Phase device.
Background technology
In mobile communication covering, the angle of declination of antenna, which is adjusted, can use various ways, under mechanical tilt and electricity tune
Incline, recent years, as terminal user's quantity drastically rises, user distribution is presented density greatly and changed constantly because the time is different
The characteristics of change, point is different over time and the change of the factor such as red-letter day vacation, and base station state has a significant change, when and utilize
Rate is low, when and load is fully loaded with.On this basis, the conventional mechanical tilt antenna of electrical tilt antenna substitution is widely used in communication base
In standing.Electrical tilt antenna refers to there are one or more phase shifters in inner antenna, and phase shifter is moved up and down to change feeding network
Length so that the signal from input port to each output port has differences, so as to change the phase between adjacent a period of time.When
, can be to realize the continuously adjustabe of wave beam, when wave beam carries out continuous variable in vertical direction during phase shifter continuous moving, just shape
Into the electricity regulation and control system of angle of declination.But existing phase shifter is typically made into this height, and performance is not ideal enough.
The size of phase shifter amount of phase shift is mainly by the phase shifter course of work, the size of length of transmission line change determines
, the amount of phase shift of phase shifter is big, and the length of long transmission line change will be greatly.But lengthening length of transmission line excursion can give again
Bring a series of technical barrier of the electric property stabilities such as the amplitude, standing-wave ratio, insertion loss of phase shifters.Existing phase shift
The shortcomings that device is that amount of phase shift is small and oversized, and regulative mode is single.Amount of phase shift is small to be directly affected under antenna radiation pattern
Degree of tilt, limit the addressing of antenna for base station.It is oversized, the wiring space of electrical tilt antenna feed system can be reduced, increases wiring
When complexity, antenna electrical performance is had a huge impact, it is attractive in appearance also to influence antenna.Regulative mode is single cause it is multiple
Antenna can not arbitrarily adjust angle of declination.The hardware configuration of existing phase shifter is complex simultaneously, to manufacture and the inspection of follow-up antenna
Repair work and bring difficulty
With advancing by leaps and bounds for mobile communication technology, antenna for base station tends to minimize, broadband, multiband.For these
Problem is, it is necessary to which development and manufacturing cost is low and high performance innovation phase shifter structure.
Therefore, the present inventor needs a kind of new technology of design badly to improve its problem.
The content of the invention
The purpose of the present invention is to break through traditional design concept at present, there is provided a kind of miniaturization, broadband, of good performance
The phase shifter of slow-wave structure.
To achieve the above object, the present invention provides a kind of miniaturization broadband slow-wave structure phase shifter, including phase shift plate, the
One phase shift slide plate, the second phase shift slide plate, phase shift board fixer, phase shift slide plate fixing device, the first phase shift slide plate positioner,
Second phase shift slide plate positioner and cable interface；Phase shift plate includes medium substrate, the first slow-wave structure circular arc and the second slow wave
Structure circular arc, center phase output line and microstrip feed line；Phase shift plate is fixed on phase shift board fixer, and phase shift plate both ends lead to
Cable interface is crossed to be connected with antenna radiation unit；First phase shift slide plate is determined by phase shift slide plate fixing device and the first phase shift slide plate
Position device is fixed on phase shift plate, and the second phase shift slide plate is consolidated by phase shift slide plate fixing device and the second phase shift slide plate positioner
Due on phase shift plate.
Wherein, the first phase shift slide plate is located at the first surface of phase shift plate, and the second phase shift slide plate is located at the second table of phase shift plate
Face.
Wherein, the first slow-wave structure circular arc is located at the first surface of medium substrate, and the second slow-wave structure circular arc is located at medium
The second surface of substrate.
Wherein, phase shift slide plate fixing device includes engaging post, annular gasket and the through hole through medium substrate, and three is in same
Heart circle is nested, and the radius for engaging post is slightly less than the radius of through hole, so that phase shift slide plate can rotate around through hole.
Wherein, phase shift slide plate includes second medium substrate, coupling arm and coupled end, coupled end and the first slow-wave structure circular arc
Or second slow-wave structure Circular Sliding contact.
Wherein, it is first-class in the near the perimeter of first medium substrate of the first slow-wave structure circular arc and the second slow-wave structure circular arc
Some concave points are arranged at intervals, the first phase shift slide plate positioner and the second phase shift slide plate positioner are respectively to be arranged on second Jie
Salient point on matter substrate, its size match with concave point.
Wherein, medium substrate is the insulating materials that dielectric constant is more than 1, and two slow-wave structure circular arcs are concentric circular arc,
Radius scale is (1.5~2.5)：1, coupling arm and coupled end are metal or metal material, and phase shift board fixer is metal material
Matter or plastic material, phase shift slide plate fixing device are plastic material, and phase shift slide plate positioner is plastic material.
To realize above-mentioned miniaturization broadband slow-wave structure phase shifter, the present invention also provides a kind of miniaturization broadband slow wave
The manufacture method of structure phase shifter, the described method comprises the following steps：
S1, a long side of Rectangular Enclosure with Participating Media substrate is cut, cut out the circular arc that one section of radian is 90-120 degree, be used for
Form the first medium substrate of phase shift plate；
S2, the first slow wave with predetermined pattern is formed on the tow sides of first medium substrate using chemical deposition
Structure circular arc, the second slow-wave structure circular arc, center phase output line, microstrip feed line and cable interface, two slow-wave structure circles
The circular arc of the medium substrate of arc and phase shift plate be concentric circular arc, the radius scales of two slow-wave structure circular arcs be (1.5~
2.5)：1；
S3, through hole is formed in the circle centre position of the slow-wave structure circular arc of first medium substrate, in the periphery of slow-wave structure circular arc
Some concave points are formed on neighbouring first medium substrate at equal intervals, circular arc spacing is 1 degree, in the precalculated position of first medium substrate
Some limited posts are formed, the height of limited post is more than twice of the thickness of medium substrate；
S4, medium substrate is cut out the second medium substrate of two phase shift slide plates wide at the top and narrow at the bottom, and length difference is bigger
Through hole, the radius and first medium of through hole are formed in the radius of two slow-wave structure circular arcs, and in the lower end of second medium substrate
Through hole on substrate is equal；
S5, coupling arm and coupled end with predetermined pattern, coupling are formed on second medium substrate using chemical deposition
The length for closing arm is respectively equal to the radiuses of two slow-wave structure circular arcs, coupling arm from the through hole of the lower end of second medium substrate to
Upper end extends；
S6, salient point is formed in the upper end of second medium substrate using plastic material, the height of salient point is less than first medium base
The depth of concave point on plate, the distance from salient point to through hole are equal to the distance from concave point to circle；
S7, engaging post and annular gasket are formed by moldings formed therefrom, by the through hole and first medium on second medium substrate
Through hole alignment on substrate, the second medium substrate of the first phase shift slide plate is arranged on the first surface of phase shift plate, by second
The second medium substrate of phase shift slide plate is arranged on the second surface of phase shift plate, using engage post, annular gasket is fixed；
S8, phase shift plate is clamped with two pieces of spill plastic plates, limit the spacing between two pieces of plastic plates using limited post, utilize
Two pieces of plastic plates are fixed together by screw.
Compared with prior art, the present invention has following advantage：By the mentality of designing of novelty, design slow-wave structure is moved
Phase device, in the case of same phase amount is ensured, area can be accomplished smaller, and two slow-wave structure circular arcs can be contracted with spread bandwidth
Small shifter area, reduces cost, is easy to produce in batches.
Brief description of the drawings
Fig. 1 is the structural representation of the miniaturization broadband slow-wave structure phase shifter of the present invention；
Fig. 2 is the structural representation of the phase shift slide plate of the present invention；
Fig. 3 is the voltage standing wave ratio data of the miniaturization broadband slow-wave structure phase shifter of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in figure 1, the present invention miniaturization broadband slow-wave structure phase shifter, including phase shift plate 1, positioned at phase shift plate 1
The first phase shift slide plate 21, the second phase shift slide plate 22 of second surface positioned at phase shift plate 1, the phase shift plate of first surface fix dress
Put 4, phase shift slide plate fixing device 5, the first phase shift slide plate positioner 31, the second phase shift slide plate positioner 32, cable interface
6.Phase shift plate 1 include first medium substrate 10, positioned at first medium substrate 10 first surface the and of the first slow-wave structure circular arc 7
Positioned at the second slow-wave structure circular arc 8 of the second surface of first medium substrate 10, center phase output line 9 and microstrip feed line.
Phase shift plate 1 is fixed on phase shift board fixer 4, and the both ends of phase shift plate 1 pass through cable interface 6 and antenna radiation unit (not shown)
Connection；First phase shift slide plate 21 is fixed on phase shift plate 1 by phase shift slide plate fixing device 5 and the first phase shift slide plate positioner 31
On, the second phase shift slide plate 22 is fixed on phase shift plate 1 by phase shift slide plate fixing device 5 and the second phase shift slide plate positioner 32
On.Specifically, phase shift slide plate fixing device 5 includes engaging post, annular gasket and the through hole through first medium substrate 10, and three
Person is nested in concentric circles, and the radius for engaging post is slightly less than the radius of through hole, so that phase shift slide plate can rotate around through hole.
Fig. 2 shows the phase shift slide plate concrete structure of the present invention.As shown in Fig. 2 phase shift slide plate includes second medium substrate
11st, coupling arm 12 and coupled end 13.The slow-wave structure circular arc 7 of coupled end 13 and first or the sliding contact of the second slow-wave structure circular arc 8.
According to the power requirement of radiating antenna, the coupling arm 12 of the first phase shift slide plate 21 and the second phase shift slide plate 22 can be set respectively
The area of width and coupled end 13.
In a preferred embodiment, in the near the perimeter of of the first slow-wave structure circular arc 7 and the second slow-wave structure circular arc 8
Some concave points of first-class interval setting of first medium substrate 10 (each five points are only symbolically depicted in figure, actually can basis
It is actually needed and sets a number of, arranged at equal intervals is into arc-shaped), the first phase shift slide plate positioner 31 and the second phase shift slide plate
Positioner 32 is respectively the salient point being arranged on second medium substrate 11, and its size matches with concave point, when salient point and concave point
When chimeric, positioning is realized.Some limited posts can also be set on first medium substrate 10, the slip of phase shift slide plate can be prevented
Amplitude is excessive.
Medium substrate is the insulating materials that dielectric constant is more than 1, and two slow-wave structure circular arcs are concentric circular arc, radius ratio
Example is (1.5~2.5)：1, coupling arm and coupled end are metal or metal material, and phase shift board fixer is metal material or modeling
Expect material, phase shift slide plate fixing device is plastic material, and phase shift slide plate positioner is plastic material.
The manufacture method of the miniaturization broadband slow-wave structure phase shifter of the present invention is described below, methods described includes following
Step.
S1, a long side of Rectangular Enclosure with Participating Media substrate is cut, cut out the circular arc that one section of radian is 90-120 degree, be used for
Form the first medium substrate of phase shift plate.
S2, the first slow wave with predetermined pattern is formed on the tow sides of first medium substrate using chemical deposition
Structure circular arc, the second slow-wave structure circular arc, center phase output line, microstrip feed line and cable interface, two slow-wave structure circles
The circular arc of the medium substrate of arc and phase shift plate be concentric circular arc, the radius scales of two slow-wave structure circular arcs be (1.5~
2.5)：1.
S3, through hole is formed in the circle centre position of the slow-wave structure circular arc of first medium substrate, in the periphery of slow-wave structure circular arc
Some concave points are formed on neighbouring first medium substrate at equal intervals, circular arc spacing is 1 degree, in the precalculated position of first medium substrate
Some limited posts are formed, the height of limited post is more than twice of the thickness of medium substrate.
S4, medium substrate is cut out the second medium substrate of two phase shift slide plates wide at the top and narrow at the bottom, and length difference is bigger
Through hole, the radius and first medium of through hole are formed in the radius of two slow-wave structure circular arcs, and in the lower end of second medium substrate
Through hole on substrate is equal.
S5, coupling arm and coupled end with predetermined pattern, coupling are formed on second medium substrate using chemical deposition
The length for closing arm is respectively equal to the radiuses of two slow-wave structure circular arcs, coupling arm from the through hole of the lower end of second medium substrate to
Upper end extends.
S6, salient point is formed in the upper end of second medium substrate using plastic material, the height of salient point is less than first medium base
The depth of concave point on plate, the distance from salient point to through hole are equal to the distance from concave point to circle.
S7, engaging post and annular gasket are formed by moldings formed therefrom, by the through hole and first medium on second medium substrate
Through hole alignment on substrate, the second medium substrate of the first phase shift slide plate is arranged on the first surface of phase shift plate, by second
The second medium substrate of phase shift slide plate is arranged on the second surface of phase shift plate, using engage post, annular gasket is fixed.
S8, phase shift plate is clamped with two pieces of spill plastic plates, limit the spacing between two pieces of plastic plates using limited post, utilize
Two pieces of plastic plates are fixed together by screw.
Fig. 3 is the voltage standing wave ratio data of the present invention, and as seen from the figure, in 690-960MHz frequency bands, voltage standing wave ratio is small
In 1.3, therefore the miniaturization broadband slow-wave structure phase shifter of the present invention has good performance.
In summary, miniaturization broadband slow-wave structure phase shifter of the present invention, reduces physical size, and stable performance is low
Cost.
Although having been described for some aspects in the context of device, it is apparent that these aspects also illustrate that corresponding method
Description, wherein block or apparatus and method for step or the feature of method and step be corresponding.Similarly, in the context of method and step
Described in each side also illustrate that corresponding to block or project or the feature of corresponding intrument description.
Described above is only illustrative, and therefore, above-described embodiment is the preferable embodiment of the present invention, but simultaneously not only
Only be restricted to the described embodiments, the change made under other any Spirit Essences and principle without departing from the present invention, modification,
Substitute, combine, simplify, should be equivalent substitute mode, be all contained within protection scope of the present invention.It is therefore intended that only
Limited by scope of the following claims rather than the specific detail by being presented by way of above description and explanation.
Claims (8)
- A kind of 1. miniaturization broadband slow-wave structure phase shifter, it is characterised in that：Dress is fixed including phase shift plate 1, the first phase shift slide plate 21, the second phase shift slide plate 22, phase shift board fixer 4, phase shift slide plate Put the 5, first phase shift slide plate positioner 31, the second phase shift slide plate positioner 32 and cable interface 6；Phase shift plate 1 includes medium substrate 10, the first slow-wave structure circular arc 7 and the second slow-wave structure circular arc 8, center phase output line 9 and microstrip feed line；Phase shift plate 1 is fixed on phase shift board fixer 4, and the both ends of phase shift plate 1 are connected by cable interface 6 and antenna radiation unit Connect；First phase shift slide plate 21 is fixed on phase shift plate 1 by phase shift slide plate fixing device 5 and the first phase shift slide plate positioner 31 On, the second phase shift slide plate 22 is fixed on phase shift plate 1 by phase shift slide plate fixing device 5 and the second phase shift slide plate positioner 32 On.
- 2. miniaturization broadband slow-wave structure phase shifter according to claim 1, wherein, the first phase shift slide plate 21 is positioned at shifting The first surface of phase-plate 1, the second phase shift slide plate 22 are located at the second surface of phase shift plate 1.
- 3. miniaturization broadband slow-wave structure phase shifter according to claim 1, wherein, the first 7, slow-wave structure circular arc In the first surface of medium substrate 10, the second slow-wave structure circular arc 8 is located at the second surface of medium substrate 10.
- 4. miniaturization broadband slow-wave structure phase shifter according to claim 1, wherein, phase shift slide plate fixing device 5 is wrapped Engaging post, annular gasket and the through hole through medium substrate 10 are included, three is nested in concentric circles, and the radius for engaging post is slightly less than The radius of through hole, so that phase shift slide plate can rotate around through hole.
- 5. miniaturization broadband slow-wave structure phase shifter according to claim 1, wherein, phase shift slide plate includes second medium Substrate 11, coupling arm 12 and coupled end 13, coupled end 13 are slided with the first slow-wave structure circular arc 7 or the second slow-wave structure circular arc 8 Contact.
- 6. miniaturization broadband slow-wave structure phase shifter according to claim 1, wherein, in the first slow-wave structure circular arc 7 With some concave points of first-class interval setting of near the perimeter of first medium substrate 10 of the second slow-wave structure circular arc 8, the first phase shift is slided The phase shift slide plate positioner 32 of piece positioner 31 and second is respectively arranged on the salient point on second medium substrate 11, its size Match with concave point.
- 7. miniaturization broadband slow-wave structure phase shifter according to claim 1, wherein, medium substrate is that dielectric constant is big In 1 insulating materials, two slow-wave structure circular arcs are concentric circular arc, and radius scale is (1.5~2.5)：1, coupling arm and coupling It is metal or metal material to close end, and phase shift board fixer is metal material or plastic material, and phase shift slide plate fixing device is modeling Expect material, phase shift slide plate positioner is plastic material.
- 8. a kind of manufacture method of miniaturization broadband slow-wave structure phase shifter, it is characterised in that methods described includes following step Suddenly：S1, a long side of Rectangular Enclosure with Participating Media substrate is cut, the circular arc that one section of radian is 90-120 degree is cut out, for being formed The first medium substrate of phase shift plate；S2, the first slow-wave structure with predetermined pattern is formed on the tow sides of first medium substrate using chemical deposition Circular arc, the second slow-wave structure circular arc, center phase output line, microstrip feed line and cable interface, two slow-wave structure circular arcs with The circular arc of the medium substrate of phase shift plate is concentric circular arc, and the radius scale of two slow-wave structure circular arcs is (1.5~2.5)：1；S3, through hole is formed in the circle centre position of the slow-wave structure circular arc of first medium substrate, near the periphery of slow-wave structure circular arc First medium substrate on form some concave points at equal intervals, circular arc spacing is 1 degree, is formed in the precalculated position of first medium substrate Some limited posts, the height of limited post are more than twice of the thickness of medium substrate；S4, medium substrate is cut out the second medium substrate of two phase shift slide plates wide at the top and narrow at the bottom, and length is slightly larger than two respectively The radius of individual slow-wave structure circular arc, and through hole is formed in the lower end of second medium substrate, radius and the first medium substrate of through hole On through hole it is equal；S5, coupling arm and coupled end with predetermined pattern, coupling arm are formed on second medium substrate using chemical deposition Length be respectively equal to the radiuses of two slow-wave structure circular arcs, coupling arm is from the through hole of the lower end of second medium substrate to upper end Extension；S6, salient point is formed in the upper end of second medium substrate using plastic material, the height of salient point is less than on first medium substrate Concave point depth, distance from salient point to through hole is equal to the distance from concave point to circle；S7, engaging post and annular gasket are formed by moldings formed therefrom, by the through hole on second medium substrate and first medium substrate On through hole alignment, the second medium substrate of the first phase shift slide plate is arranged on the first surface of phase shift plate, by the second phase shift The second medium substrate of slide plate is arranged on the second surface of phase shift plate, using engage post, annular gasket is fixed；S8, phase shift plate is clamped with two pieces of spill plastic plates, limit the spacing between two pieces of plastic plates using limited post, utilize screw Two pieces of plastic plates are fixed together.
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| CN201710595401.XA CN107403981B (en) | 2017-07-20 | 2017-07-20 | A kind of manufacturing method of minimized wide-band slow-wave structure phase shifter |
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| CN201710595401.XA CN107403981B (en) | 2017-07-20 | 2017-07-20 | A kind of manufacturing method of minimized wide-band slow-wave structure phase shifter |
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| CN107403981B CN107403981B (en) | 2018-08-21 |
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| CN106099262A (en) * | 2015-04-13 | 2016-11-09 | 凯瑟雷恩工厂两合公司 | Difference phase component |
| WO2019222008A1 (en) * | 2018-05-16 | 2019-11-21 | Commscope Technologies Llc | Linkage mechanism for phase shifter assembly |
| CN112103653A (en) * | 2020-08-19 | 2020-12-18 | 广东盛路通信科技股份有限公司 | Rotary arc phase shifter |
| CN112103651A (en) * | 2020-08-06 | 2020-12-18 | 广东盛路通信科技股份有限公司 | Rotary arc phase shifter |
| CN113454839A (en) * | 2019-02-22 | 2021-09-28 | 瑞典爱立信有限公司 | Phase shifter module device for mobile communication antenna |
| CN115566429A (en) * | 2022-09-29 | 2023-01-03 | 江苏亨鑫科技有限公司 | Compact double-layer backward installation phase shifter mechanism |
| CN115663463A (en) * | 2022-12-08 | 2023-01-31 | 中国电子科技集团公司第二十研究所 | Circularly polarized antenna |
| CN116613489A (en) * | 2023-07-21 | 2023-08-18 | 中天通信技术有限公司 | Phase shifter and antenna assembly |
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| CN104810577A (en) * | 2015-04-23 | 2015-07-29 | 佛山市迪安通讯设备有限公司 | Base station tunable antenna broadband and slow wave phase shifter |
| WO2017113070A1 (en) * | 2015-12-28 | 2017-07-06 | 华为技术有限公司 | Phase shifter and antenna |
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| US20080211600A1 (en) * | 2005-03-22 | 2008-09-04 | Radiaciony Microondas S.A. | Broad Band Mechanical Phase Shifter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099262A (en) * | 2015-04-13 | 2016-11-09 | 凯瑟雷恩工厂两合公司 | Difference phase component |
| CN106099262B (en) * | 2015-04-13 | 2019-02-12 | 凯瑟雷恩工厂两合公司 | Difference phase component |
| WO2019222008A1 (en) * | 2018-05-16 | 2019-11-21 | Commscope Technologies Llc | Linkage mechanism for phase shifter assembly |
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| CN110504511B (en) * | 2018-05-16 | 2022-04-05 | 康普技术有限责任公司 | Linkage mechanism for phase shifter assembly |
| US11264685B2 (en) | 2018-05-16 | 2022-03-01 | Commscope Technologies Llc | Linkage mechanism for phase shifter assembly |
| CN113454839A (en) * | 2019-02-22 | 2021-09-28 | 瑞典爱立信有限公司 | Phase shifter module device for mobile communication antenna |
| CN112103651A (en) * | 2020-08-06 | 2020-12-18 | 广东盛路通信科技股份有限公司 | Rotary arc phase shifter |
| CN112103651B (en) * | 2020-08-06 | 2023-12-05 | 广东盛路通信科技股份有限公司 | Rotary arc phase shifter |
| CN112103653A (en) * | 2020-08-19 | 2020-12-18 | 广东盛路通信科技股份有限公司 | Rotary arc phase shifter |
| CN115566429A (en) * | 2022-09-29 | 2023-01-03 | 江苏亨鑫科技有限公司 | Compact double-layer backward installation phase shifter mechanism |
| CN115663463A (en) * | 2022-12-08 | 2023-01-31 | 中国电子科技集团公司第二十研究所 | Circularly polarized antenna |
| CN115663463B (en) * | 2022-12-08 | 2023-08-11 | 中国电子科技集团公司第二十研究所 | Circularly polarized antenna |
| CN116613489A (en) * | 2023-07-21 | 2023-08-18 | 中天通信技术有限公司 | Phase shifter and antenna assembly |
| CN116613489B (en) * | 2023-07-21 | 2023-10-17 | 中天通信技术有限公司 | Phase shifter and antenna assembly |
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| CN107403981B (en) | 2018-08-21 |
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