CN207124283U - Double frequency slit antenna with reconfigurable design structure - Google Patents
Double frequency slit antenna with reconfigurable design structure Download PDFInfo
- Publication number
- CN207124283U CN207124283U CN201720891933.3U CN201720891933U CN207124283U CN 207124283 U CN207124283 U CN 207124283U CN 201720891933 U CN201720891933 U CN 201720891933U CN 207124283 U CN207124283 U CN 207124283U
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- line
- rabbet joint
- resonator
- double frequency
- antenna
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
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- Waveguide Aerials (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses a kind of double frequency slit antenna with reconfigurable design structure, etches and is laid with metal level as metallic RF in the upper surface of medium substrate, the upper surface of medium substrate.Double frequency slit antenna includes multimode gap resonator and two lumped capacities, multimode gap resonator is formed by folding gap resonator and co-planar waveguide step electric impedance resonator, co-planar waveguide step electric impedance resonator is connected with metallic RF by metal wire, and fed by an end for the coplanar waveguide feeder line of T-shaped structure to multimode gap resonator, one end of two lumped capacities is connected to the left and right end of the co-planar waveguide step electric impedance resonator, and the other end of two lumped capacities is with being respectively connecting to metallic RF.The utility model by coplanar wave guide feedback, realizes the dual frequency characteristics of antenna using multimode gap resonator;One lumped capacity is respectively connected by the left and right end of co-planar waveguide step electric impedance resonator, realizes the controllability of antenna frequencies.
Description
Technical field
Frequency microwave communication technical field is the utility model is related to, more particularly to it is a kind of double with reconfigurable design structure
Frequency slot antenna.
Background technology
In current multifrequency antenna design, designer comes often by the different radiant body of multiple resonant frequencies is combined
Multiband is realized, therefore antenna size is often larger.Therefore, it is necessary to propose a kind of less dual-band antenna of design size, have
There is the double frequency slit antenna of reconfigurable design structure, the controllability of operating frequency of antenna can be realized.
Utility model content
Main purpose of the present utility model is to provide a kind of double frequency slit antenna with reconfigurable design structure, by altogether
Each one lumped capacity of connection in the left and right end of face waveguide step electric impedance resonator, can according to needed for antenna working frequency choice set
The capacitance size of total capacitance realizes the controllability of antenna frequencies.
To achieve the above object, the utility model provides a kind of double frequency slit antenna with reconfigurable design structure,
Etch in the upper surface of medium substrate, the upper surface of the medium substrate is laid with metal level as metallic RF, described to have
The double frequency slit antenna of reconfigurable design structure includes multimode gap resonator and two lumped capacities, the multimode gap resonance
Device is formed by folding gap resonator and co-planar waveguide step electric impedance resonator, and the co-planar waveguide step electric impedance resonator passes through
Metal wire is connected with metallic RF, and gives the multimode gap by an end for the coplanar waveguide feeder line of T-shaped structure
Resonator is fed, and one end of two lumped capacities is connected to the left and right end of the co-planar waveguide step electric impedance resonator,
The other end of two lumped capacities is with being respectively connecting to metallic RF.
Preferably, the folding gap resonator is by first line of rabbet joint, two second line of rabbet joint, two third slot lines, two
The line of rabbet joint of root the 4th and two the 5th line of rabbet joint compositions, one end of two second line of rabbet joint is each vertically connected on first line of rabbet joint
Both ends form right angle U-shape structure, wherein one end of third slot line and one end of wherein one the 5th line of rabbet joint each vertically connect
The both ends for being connected on wherein one the 4th line of rabbet joint form an angle of collimation U-shape structure, wherein one end of another third slot line and its
In to form an angle of collimation U-shaped the both ends of respective vertical connection another 4th line of rabbet joint wherein in one end of another 5th line of rabbet joint
Structure, the other end of two third slot lines are vertically connected on the other end of two second line of rabbet joint.
Preferably, two the 4th line of rabbet joint for folding gap resonator are between two second line of rabbet joint and mutually flat
OK, two the 4th line of rabbet joint are close to each other and separated by metal wire, first line of rabbet joint, third slot line and the 5th line of rabbet joint be parallel to each other and
Separate to form the co-planar waveguide step electric impedance resonator by certain media substrate.
Preferably, direction offers the 6th groove to the medium position of first line of rabbet joint for folding gap resonator downward vertically
Line, one end of the 6th line of rabbet joint are communicated to the medium position of first line of rabbet joint, and the other end of the 6th line of rabbet joint is extended downwardly and is connected to
One long edge of medium substrate.
Preferably, the coplanar waveguide feeder line includes the first feeder line and the second feeder line, and one end of second feeder line is vertical
The medium position for being connected to the first feeder line forms T-shaped structure, and first feeder line is built in the first groove of the gap resonator
In line and make between the first feeder line and the first line of rabbet joint lower frame at intervals of d1Opening position, second feeder line is built in the 6th
In the line of rabbet joint and the hollow out gaps of the second feeder line both sides is set to be d0Central position, make the coplanar waveguide feeder line of T-shaped structure to
Multimode gap resonator feed.
Preferably, described two lumped capacities are built in two third slot lines respectively.
Preferably, the co-planar waveguide step electric impedance resonator is that the part surrounded by the folding gap resonator is situated between
Matter substrate, and be S by a width1Metal wire be connected with metallic RF.
Compared to prior art, the double frequency slit antenna described in the utility model with reconfigurable design structure not only designs
Size is small, the simple cost of processing is cheap, and realizes antenna by coplanar wave guide feedback using a multimode gap resonator
Dual frequency characteristics.One lumped capacity is respectively connected by the left and right end of co-planar waveguide step electric impedance resonator, due to lump electricity
The capacitance C of appearance1Working frequency capacitance C can be selected according to needed for antenna1Size, therefore should have reconfigurable design
The double frequency slit antenna of structure can realize the controllability of working frequency.
Brief description of the drawings
Fig. 1 is the structural representation for the double frequency slit antenna that the utility model has reconfigurable design structure;
Fig. 2 is the knot that the utility model has the multimode gap resonator in the double frequency slit antenna of reconfigurable design structure
Structure schematic diagram;
Fig. 3 is the structural representation that multimode gap resonator offers the line of rabbet joint;
Fig. 4 is the structure that the utility model has the coplanar waveguide feeder line in the double frequency slit antenna of reconfigurable design structure
Schematic diagram;
Fig. 5 is the scale diagrams for the double frequency slit antenna that the utility model has reconfigurable design structure;
Fig. 6 is the capacitance C of two lumped capacities1To antenna reflection coefficient (S11) influence schematic diagram.
The realization of the utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, will be in specific embodiment part one
And it is described further referring to the drawings.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that above-mentioned purpose taken, below in conjunction with
Accompanying drawing and preferred embodiment, specific embodiment of the present utility model, structure, feature and its effect are described in detail.Should
Work as understanding, specific embodiment described herein only to explain the utility model, is not used to limit the utility model.
Shown in reference picture 1, Fig. 1 is the overall structure for the double frequency slit antenna that the utility model has reconfigurable design structure
Schematic diagram.In the present embodiment, the double frequency slit antenna with reconfigurable design structure includes a multimode gap resonance
Device and two lumped capacities 6, the multimode gap resonator fold gap resonator (FSLR) 1 and a co-planar waveguide by one
Step electric impedance resonator (CSIR) 2 forms, and the co-planar waveguide step electric impedance resonator 2 is S by a width1Metal
(Ground) 4 is connected line 5 with metallic RF, passes through (the abbreviation CPW feeder lines of coplanar waveguide feeder line 3 that an end is T-shaped structure
3) the multimode gap resonator feed is given.It is humorous that one end of two lumped capacities 6 is connected to the co-planar waveguide stepped impedance
Shake the left and right end of device 2, the other end of two lumped capacities 6 with being respectively connecting to metallic RF 4, it is achieved thereby that being stitched to double frequency
The reconfigurable design (i.e. the controllability of operating frequency of antenna) of gap antenna.The capacitance of two lumped capacities 6 is C1, design
Person can select the capacitance C using two lumped capacities 6 according to the working frequency needed for designing antenna1Size, therefore should
Double frequency slit antenna with reconfigurable design structure can realize the controllability of working frequency.It is described that there is reconfigurable design
The double frequency slit antenna of structure is etched on medium substrate 10, and the upper surface of the medium substrate 10 is laid with metal level, such as
Apply copper metal layer 4 as metallic RF.The specific sheet material type of medium substrate 10 is single-layer metal FR4 sheet materials, thickness
For 1.6mm, dielectric constant 4.4.
With reference to shown in figure 2, Fig. 2 is that the utility model has more die slots in the double frequency slit antenna of reconfigurable design structure
The structural representation of gap resonator.In the present embodiment, multimode gap resonator is by a folding gap resonator 1 and one
Individual co-planar waveguide step electric impedance resonator 2 forms, and symmetrical on the shaft centre line of the multimode gap resonator.The folding
Lap seam gap resonator 1 includes first line of rabbet joint 21, two second line of rabbet joint, 22, two third slot lines, 23, two the 4th line of rabbet joint 24
And two the 5th line of rabbet joint 25.The both ends that one end of two second line of rabbet joint 22 is each vertically connected on first line of rabbet joint 21 form right angle
U-shape structure, wherein each vertical connection is wherein for one end of third slot line 23 and one end of wherein one the 5th line of rabbet joint 25
The both ends of piece the 4th line of rabbet joint 24 form an angle of collimation U-shape structure, wherein one end of another third slot line 23 and wherein another
It is U-shaped that the both ends of respective vertical connection another 4th line of rabbet joint 24 wherein in one end of piece the 5th line of rabbet joint 25 form an angle of collimation
Structure, the other end of two third slot lines 23 are vertically connected on the other end of two second line of rabbet joint 22, two the 4th line of rabbet joint 24
Between two second line of rabbet joint 22 and it is parallel to each other, two the 4th line of rabbet joint 24 are close to each other and separated by metal wire 5.First groove
Line 21, the line of rabbet joint 25 of third slot line 23 and the 5th are parallel to each other and separate to form the resistance of co-planar waveguide ladder by certain media substrate 10
Antiresonance device 2.Because multimode gap resonator is symmetrical on the shaft centre line of multimode gap resonator, therefore two collimations
Angle U-shape structure is also symmetrical on shaft centre line.
In the present embodiment, the right angle U-shape structure is defined as forming two U-shaped corners as right angle and formed U-shaped
Two line of rabbet joint equal lengths (being second line of rabbet joint 22), it is right angle that angle of collimation U-shape structure, which is defined as forming accurate two U-shaped corners,
And form accurate two U-shaped line of rabbet joint length it is unequal (line of rabbet joint is third slot line 23, and another line of rabbet joint is the 5th line of rabbet joint 25,
And the length of third slot line 23 is more than the 5th line of rabbet joint 25).The line of rabbet joint is the hollow out gap opened up on medium substrate 10.
The co-planar waveguide step electric impedance resonator 2 is the certain media substrate 10 surrounded by folding gap resonator 1,
And by a width it is S1Metal wire 54 be connected with metallic RF.First line of rabbet joint 21, the line of rabbet joint of third slot line 23 and the 5th
25 are parallel to each other and separate to form co-planar waveguide step electric impedance resonator 2 by certain media substrate 10.Two lumped capacities 6 are divided
It is not built in two third slot lines 23, as shown in figure 1, the lumped capacity 6 on the left side is built in the third slot line 23 on the left side, it is right
The lumped capacity 6 on side is built in the third slot line 23 on the right.One end of two lumped capacities 6 is connected to the coplanar ripple
Lead the left and right end of step electric impedance resonator 2, the other end of two lumped capacities 6 with being respectively connecting to metallic RF 4.It is described common
The left and right end of face waveguide step electric impedance resonator 2 refers to co-planar waveguide step electric impedance resonator 2 close to two the 4th line of rabbet joint 24
Both ends.
With reference to shown in figure 3, Fig. 3 is that the utility model has more die slots in the double frequency slit antenna of reconfigurable design structure
Gap resonator offers the structural representation of the line of rabbet joint.With reference to shown in Fig. 1, first line of rabbet joint 21 for folding gap resonator 1
Direction offers the 6th line of rabbet joint 26 to medium position downward vertically, and one end of the 6th line of rabbet joint 26 is communicated to the middle part of first line of rabbet joint 21
Position, the other end extend downwardly and are connected to a long edge of medium substrate 10.
With reference to shown in figure 4, Fig. 4 is that the utility model has coplanar ripple in the double frequency slit antenna of reconfigurable design structure
Lead the structural representation of feeder line 3.In the present embodiment, the 3 T-shaped structure of coplanar waveguide feeder line, the coplanar waveguide feeder line 3 are wrapped
Include the first feeder line 31 and the second feeder line 32, the medium position of one end vertical connection of second feeder line 32 to the first feeder line 31.
With reference to shown in figure 5, Fig. 5 is the size signal for the double frequency slit antenna that the utility model has reconfigurable design structure
Figure.With reference to shown in Fig. 2, the length of first line of rabbet joint 21 is the length L of two third slot lines 233With the width S of metal wire 51Sum
(i.e. 2 × L3+S1), the width of first line of rabbet joint 21 is W1;The length of second line of rabbet joint 22 is L2, the length of third slot line 23 is L3, the
The length of four line of rabbet joint 24 is L4, the length of the 5th line of rabbet joint 25 is L5, second line of rabbet joint 22, third slot line 23, the 4th line of rabbet joint 24 and the 5th
The width of the line of rabbet joint 25 is W2;Inner side spacing between two the 4th line of rabbet joint 24 is S0, between the outside between two the 4th line of rabbet joint 24
Width away from equal to metal wire 5, it is S1;Spacing between first line of rabbet joint 21 and the 5th line of rabbet joint 25 is S2.With reference to shown in Fig. 4, the
The length of six line of rabbet joint 26 is L0+d1, width W0+2×d0.With reference to shown in Fig. 4, the length of the first feeder line 31 is the end of T-shaped structure
Hold lateral length L6Twice and the second feeder line 32 width W0Sum (i.e. 2 × L6+W0), the width of the first feeder line 31 is W6;The
Between one feeder line 31 and the lower frame of first line of rabbet joint 21 at intervals of d1;The length of second feeder line 32 is L0, the width of the second feeder line 32
For W0.Interval between two articles of frames of the second feeder line 32 and two articles of frames of the 6th line of rabbet joint 26 is d0(the both sides of the second feeder line 32
Hollow out gap be d0), the end lateral length of the coplanar waveguide feeder line 3 of the T-shaped structure is L6.It is new making this practicality
During the double frequency slit antenna with reconfigurable design structure of type, the first feeder line 31 of coplanar waveguide feeder line 3 is placed directly in
In first line of rabbet joint 21 of gap resonator 1 and make between the first feeder line 31 and the lower frame of first line of rabbet joint 21 at intervals of d1Position
Place, and the second feeder line 32 of CPW feeder lines 3 is placed directly in the 6th line of rabbet joint 26 and makes the hollow out gap of the both sides of the second feeder line 32 equal
For d0Middle position so that the coplanar waveguide feeder line 3 of T-shaped structure give multimode gap resonator feed, realize this practicality
The new described double frequency slit antenna with reconfigurable design structure.
With reference to shown in Fig. 5, the double frequency slit antenna preferred embodiment described in the utility model with reconfigurable design structure
Size it is as shown in table 1 below:
The utility model of table 1 has the size of the double frequency slit antenna preferred embodiment of reconfigurable design structure
Parameter | W0 | W1 | W2 | W6 | L0 | L1 | L2 | L3 | L4 |
It is worth (mm) | 4.6 | 2.2 | 1.2 | 0.5 | 22 | 17.55 | 9.0 | 18.45 | 4.6 |
Parameter | L5 | L6 | d0 | d1 | d2 | S0 | S1 | S2 | |
It is worth (mm) | 8.55 | 7.8 | 0.4 | 1.2 | 1.0 | 4.6 | 3.6 | 2.2 |
In the present embodiment, the length L of the medium substrate 10 is preferably 68.9mm, and width is that W is preferably 46mm.It is described
The length L and width W of medium substrate 10 can select according to the demand of antenna size size.
As shown in fig. 6, Fig. 6 is the capacitance C of two lumped capacities 61To antenna reflection coefficient (S11) influence schematic diagram.
In the present embodiment, the reflectance factor (S of the double frequency slit antenna with reconfigurable design structure11) as shown in Figure 6, it can be seen that
Antenna has two working frequency range (S11<- 10dB), the centre frequencies of two frequency ranges is respectively 2.64GHz and 5.74GHz, opposite band
Wide is respectively 14.8% and 36.3%.Antenna Operation has a resonant frequency (f in the first working frequency rangeCSIR0), resonance frequency
Rate fCSIR0For the fundamental resonance frequency of co-planar waveguide step electric impedance resonator 2.Antenna Operation has three in the second working frequency range
Resonant frequency (fCSIR1, fTR, fFSLR2), wherein fCSIR1For one class resonant frequency caused by co-planar waveguide step electric impedance resonator 2;
The T-shaped structure of coplanar waveguide feeder line 3 forms a monopole minor structure, fTRFor resonant frequency caused by coplanar waveguide feeder line 3;
fFSLR2To fold second order resonant frequency caused by gap resonator 1.It is worth noting that, fFSLR0To fold gap resonator 1
Fundamental resonance frequency, but because its Q value (quality factor) is too big, therefore fail to form the effective working frequency range of antenna.
In the present embodiment, the capacitance of two lumped capacities 6 is C1, it is double with reconfigurable design structure in design
During frequency slot antenna, due to the capacitance C of two lumped capacities 61It can be selected according to the working frequency needed for antenna
Capacitance C1Size, therefore should can realize the adjustable of working frequency with double frequency slit antenna of reconfigurable design structure
Property.From fig. 6, it can be seen that as the capacitance C of lumped capacity 61During increase, fCSIR0With fCSIR1Frequency reduces.Because altogether
Face waveguide step electric impedance resonator 2 is equivalent to an open circuit non uniform transmission line resonator of λ/2, when in co-planar waveguide stepped impedance
During left and right end (close to the both ends of two the 4th line of rabbet joint 24) connection lumped capacity 6 of resonator 2, its effective electrical length will be with
The capacitance C of lumped capacity 61Increase and increase so that fold gap resonator 1 resonant frequency reduce.Cause
This, the design can pass through the capacitance C of two lumped capacities 6 of regulation1Carry out the frequency of effective working frequency range of tuned antenna first,
And second working frequency range lower limiting frequency, so as to further increase the bandwidth of the second working frequency range.
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every
Equivalent structure or the equivalent function conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (7)
1. a kind of double frequency slit antenna with reconfigurable design structure, is etched in the upper surface of medium substrate, the medium substrate
Upper surface be laid with metal level as metallic RF, it is characterised in that it is described with reconfigurable design structure double frequency seam
Gap antenna includes multimode gap resonator and two lumped capacities, and the multimode gap resonator is by folding gap resonator and altogether
Waveguide step electric impedance resonator in face forms, and the co-planar waveguide step electric impedance resonator connects by metal wire and metallic RF
Connect, and fed by an end for the coplanar waveguide feeder line of T-shaped structure to multimode gap resonator, two lump electricity
One end of appearance is connected to the left and right end of the co-planar waveguide step electric impedance resonator, the other end point of two lumped capacities
Not with being connected to metallic RF.
2. there is the double frequency slit antenna of reconfigurable design structure as claimed in claim 1, it is characterised in that the folded seam
Gap resonator is by first line of rabbet joint, two second line of rabbet joint, two third slot lines, two the 4th line of rabbet joint and two the 5th line of rabbet joint
Composition, one end of two second line of rabbet joint is each vertically connected on the both ends formation right angle U-shape structure of first line of rabbet joint, wherein one
The both ends of respective vertical connection the 4th line of rabbet joint wherein in one end of root third slot line and one end of wherein one the 5th line of rabbet joint
An angle of collimation U-shape structure is formed, wherein one end of another third slot line and one end of wherein another 5th line of rabbet joint are each
The both ends of vertical connection another 4th line of rabbet joint wherein form an angle of collimation U-shape structure, the other end of two third slot lines
It is vertically connected on the other end of two second line of rabbet joint.
3. there is the double frequency slit antenna of reconfigurable design structure as claimed in claim 2, it is characterised in that the folded seam
Two the 4th line of rabbet joint of gap resonator are between two second line of rabbet joint and are parallel to each other, and two the 4th line of rabbet joint are close to each other and logical
Cross metal wire to separate, first line of rabbet joint, third slot line and the 5th line of rabbet joint are parallel to each other and separate to form institute by certain media substrate
State co-planar waveguide step electric impedance resonator.
4. there is the double frequency slit antenna of reconfigurable design structure as claimed in claim 2, it is characterised in that the folded seam
Direction offers the 6th line of rabbet joint to the medium position of first line of rabbet joint of gap resonator downward vertically, and one end of the 6th line of rabbet joint is communicated to
The medium position of first line of rabbet joint, the other end of the 6th line of rabbet joint extend downwardly and are connected to one article of long edge of medium substrate.
5. there is the double frequency slit antenna of reconfigurable design structure as claimed in claim 4, it is characterised in that the coplanar ripple
Leading feeder line includes the first feeder line and the second feeder line, the medium position shape of one end vertical connection of second feeder line to the first feeder line
T-shaped structure, first feeder line are built in first line of rabbet joint of the gap resonator and make the first feeder line and first line of rabbet joint
Between lower frame at intervals of d1Opening position, second feeder line is built in the 6th line of rabbet joint and makes engraving for the second feeder line both sides
Hollow joint gap is d0Central position, make T-shaped structure coplanar waveguide feeder line give multimode gap resonator feed.
6. there is the double frequency slit antenna of reconfigurable design structure as claimed in claim 2, it is characterised in that described two collection
Total capacitance is built in two third slot lines respectively.
7. there is the double frequency slit antenna of reconfigurable design structure as claimed in claim 1, it is characterised in that the coplanar ripple
It is the certain media substrate surrounded by the folding gap resonator to lead step electric impedance resonator, and is S by a width1
Metal wire be connected with metallic RF.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201720891933.3U CN207124283U (en) | 2017-07-21 | 2017-07-21 | Double frequency slit antenna with reconfigurable design structure |
PCT/CN2017/114048 WO2019015206A1 (en) | 2017-07-21 | 2017-11-30 | Dual-frequency slot antenna with reconfigurable design structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720891933.3U CN207124283U (en) | 2017-07-21 | 2017-07-21 | Double frequency slit antenna with reconfigurable design structure |
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CN207124283U true CN207124283U (en) | 2018-03-20 |
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CN201720891933.3U Expired - Fee Related CN207124283U (en) | 2017-07-21 | 2017-07-21 | Double frequency slit antenna with reconfigurable design structure |
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CN (1) | CN207124283U (en) |
WO (1) | WO2019015206A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110277642A (en) * | 2019-07-15 | 2019-09-24 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
CN111613893A (en) * | 2020-06-10 | 2020-09-01 | 安徽华米信息科技有限公司 | Multi-frequency slot antenna, terminal equipment and antenna design method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104078750A (en) * | 2014-06-04 | 2014-10-01 | 苏州锟恩电子科技有限公司 | Dual-frequency reconfigurable micro-strip slot antenna |
CN105742768A (en) * | 2014-11-28 | 2016-07-06 | 青岛海尔电子有限公司 | Band-pass filter, high-order band-pass filter and performance analysis method |
CN105846062A (en) * | 2016-04-08 | 2016-08-10 | 南京邮电大学 | Dual-frequency gate slot ground capacitor loading stepped-impedance slot antenna |
-
2017
- 2017-07-21 CN CN201720891933.3U patent/CN207124283U/en not_active Expired - Fee Related
- 2017-11-30 WO PCT/CN2017/114048 patent/WO2019015206A1/en active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110277642A (en) * | 2019-07-15 | 2019-09-24 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
CN111613893A (en) * | 2020-06-10 | 2020-09-01 | 安徽华米信息科技有限公司 | Multi-frequency slot antenna, terminal equipment and antenna design method |
Also Published As
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WO2019015206A1 (en) | 2019-01-24 |
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