CN104577308A - Antenna - Google Patents
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- CN104577308A CN104577308A CN201310507646.4A CN201310507646A CN104577308A CN 104577308 A CN104577308 A CN 104577308A CN 201310507646 A CN201310507646 A CN 201310507646A CN 104577308 A CN104577308 A CN 104577308A
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Abstract
The invention discloses an antenna, and belongs to the field of communication. The antenna comprises a first radiation arm, a second radiation arm and a balun unit, wherein the balun unit is connected with one end of the first radiation arm and one end of the second radiation arm respectively; a signal feed point and a grounding point are arranged on the balun unit; the first and second radiation arms are gradually enlarged from the ends connected with the balun unit to the other ends respectively, or the first and second radiation arms are sequentially enlarged and reduced from the ends connected with the balun unit to the other ends respectively. According to the antenna, the first and second radiation arms are gradually enlarged from the ends connected with the balun unit to the other ends respectively, so that the flowing direction of current on the surface of each of the first and second radiation arms can be decomposed into a horizontal component and a perpendicular component, namely the antenna has horizontal and perpendicular polarization modes; meanwhile, the antenna has better bandwidths at 2.4GHz and 5GHz.
Description
Technical field
The present invention relates to the communications field, particularly a kind of antenna.
Background technology
At present, wifi(Wireless Fidelity, Wireless Fidelity) technology just by 11b/g/n pattern to 11ac mode transition, 11ac pattern can work in 5GHz and 2.4GHz two frequency ranges.Therefore in order to meet present wifi demand, the antenna on terminal equipment must have multifrequency performance, namely can be able to use in 2.4GHz frequency range and 5GHz frequency range.
Existing a kind of multifrequency antenna, this antenna comprises two metal radiation arms, and two metal radiation arms be arranged in parallel, and one of them metal radiation arm produces resonance in the first frequency band, and its frequency band can contain 2.4G frequency range; Another metal wire produces resonance in the second frequency band, and its frequency band can contain 5G frequency range.
But what all adopt due to the metal radiation arm of two in above-mentioned antenna is the structure of rectangle or column, and the polarization mode of antenna is single, affects the application of antenna.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of antenna.Described technical scheme is as follows:
First aspect, embodiments provide a kind of antenna, described antenna comprises: the first radiation arm and the second radiation arm, described antenna also comprises: Ba Lun unit, described Ba Lun unit is connected with one end of described first radiation arm and one end of described second radiation arm respectively, described Ba Lun unit is provided with signal feed-in point and earth point, described first radiation arm and described second radiation arm increase from the one end be connected with described Ba Lun unit gradually to the other end respectively, or described first radiation arm and described second radiation arm are respectively from the one end be connected with described Ba Lun unit to other end first increases and then decreases.
In the first possible execution mode of first aspect, described first radiation arm and described second radiation arm are triangle, trapezoidal, oval or rhombus.
According to the first possible execution mode of first aspect, the second of first aspect can be possible execution mode in, described first radiation arm and described second radiation arm are sheet metal, hollow out in the middle part of described sheet metal.
According to the first possible execution mode of first aspect, in the third possible execution mode of first aspect, described first radiation arm and described second radiation arm are joined end to end by many serpentines respectively and form.
In the 4th kind of possible execution mode of first aspect, the symmetrical shape or asymmetric of described first radiation arm and described second radiation arm.
In the 5th kind of possible execution mode of first aspect, described Ba Lun unit comprises: Ba Lun portion first linking arm and the second linking arm, one end of described first linking arm is fixed in described Ba Lun portion, the other end of described first linking arm is connected with described first radiation arm, one end of described second linking arm is fixed in described Ba Lun portion, the other end of described second linking arm is connected with described second radiation arm, described first linking arm and described second linking arm be arranged in parallel, described first linking arm and described second linking arm are respectively equipped with described signal feed-in point and described earth point.
According to the 5th kind of possible execution mode of first aspect, in the 6th kind of possible execution mode of first aspect, described signal feed-in point and described earth point place are provided with pad, and described Ba Lun unit is connected with coaxial line by described pad.
According to the 5th kind of possible execution mode of first aspect, in the 7th kind of possible execution mode of first aspect, described Ba Lun portion is provided with groove, described groove comprises connected vertical groove and transverse concave groove, described first linking arm and described second linking arm are connected to the opening both sides of described vertical groove, and the length of described transverse concave groove is λ/4 electrical length.
According to the 7th kind of possible execution mode of first aspect, in the 8th kind of possible execution mode of first aspect, described Ba Lun portion is rectangle, circle or oval.
According to the 7th kind of possible execution mode of first aspect, in the 9th kind of possible execution mode of first aspect, described first linking arm and described second linking arm are respectively rectangle, circle or oval.
According to the first possible execution mode of first aspect or first aspect to the one in the 9th kind of possible execution mode, in the tenth kind of possible execution mode of first aspect, described antenna is flat plane antenna or dimensional antenna.
According to the first possible execution mode of first aspect or first aspect to the one in the 9th kind of possible execution mode, in the 11 kind of possible execution mode of first aspect, described antenna is metal plate antennas or printed antenna.
The antenna that the embodiment of the present invention provides comprises the first radiation arm, Ba Lun unit and the second radiation arm, first radiation arm and the second radiation arm increase from the one end be connected with Ba Lun unit gradually to the other end respectively, or the first radiation arm and the second radiation arm are respectively from the one end be connected with Ba Lun unit to other end first increases and then decreases, therefore the first radiation arm and the second radiation arm surface current flow direction can decomposite horizontal component and vertical component, namely this antenna comprises horizontal and vertical two kinds of polarization modes, avoids the problem that the Research of Antenna Polarization is single.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the antenna that the embodiment of the present invention one provides;
Fig. 2 is the structural representation of the antenna that the embodiment of the present invention two provides;
Fig. 3 is the structural representation of the antenna that the embodiment of the present invention two provides;
Fig. 4 is return loss and the frequency relation figure of the antenna that the embodiment of the present invention two provides;
Fig. 5 is the structural representation of the antenna that the embodiment of the present invention three provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
Embodiments provide a kind of antenna, see Fig. 1, this antenna comprises:
First radiation arm 101, Ba Lun unit 102 and the second radiation arm 103, Ba Lun unit 102 is connected with one end of the first radiation arm 101 and one end of the second radiation arm 103 respectively, Ba Lun unit 102 is provided with signal feed-in point and earth point, first radiation arm 101 increases from the one end be connected with Ba Lun unit 102 to the other end respectively gradually with the second radiation arm 103, or the first radiation arm 101 with the second radiation arm 103 respectively from the one end be connected with Ba Lun unit 102 to other end first increases and then decreases.
The antenna that the embodiment of the present invention provides comprises the first radiation arm, Ba Lun unit and the second radiation arm, first radiation arm and the second radiation arm increase from the one end be connected with Ba Lun unit gradually to the other end respectively, because the first radiation arm and the second radiation arm increase gradually, therefore the first radiation arm and the second radiation arm surface current flow direction can decomposite horizontal component and vertical component, namely this antenna comprises horizontal and vertical two kinds of polarization modes, simultaneously, because aerial radiation arm increases gradually, on the one hand, the induction reactance of aerial radiation arm and dielectric loss are all diminished, and then cause antenna current loss little, current strength is large, so radiation efficiency is high, on the other hand, because aerial radiation arm increases gradually, antenna aperture is increased, this ensures that there antenna and all have comparatively large bandwidth at 2.4GHz and 5GHz.
Embodiment two
Embodiments provide a kind of antenna, see Fig. 2, this antenna comprises:
First radiation arm 201, Ba Lun unit 202 and the second radiation arm 203, Ba Lun unit 202 is connected with one end of the first radiation arm 201 and one end of the second radiation arm 203 respectively, Ba Lun unit 202 is provided with signal feed-in point and earth point, and the first radiation arm 201 increases from the one end be connected with Ba Lun unit 202 to the other end respectively gradually with the second radiation arm 203.
Particularly, first radiation arm 201 and the second radiation arm 203 comprise stiff end 2A and the free end 2B relative with stiff end 2A respectively, stiff end 2A is connected with Ba Lun unit 202, and the first radiation arm 201 and the second radiation arm 203 increase from stiff end 2A gradually to free end 2B respectively.
See Fig. 2, in the present embodiment, the first radiation arm 201 and the second radiation arm 203 are laminated structure, and the shape of the first radiation arm 201 and the second radiation arm 203 is triangle.In other embodiments of the invention, the first radiation arm 201 and the second radiation arm 203 can also be trapezoidal or other irregular figures.
See Fig. 2, in the present embodiment, the first radiation arm 201 and the second radiation arm 203 are respectively triangle metal sheet, and hollow out in the middle part of sheet metal.This hollow out includes but not limited to the triangle shown in Fig. 2.While not affecting resonant frequency characteristic, hollow parts is set and can reduces antenna materials, reduce costs, can also antenna weights be alleviated.Certainly, the design of this hollow out is not necessary.
In another embodiment of the invention, the first radiation arm 201 and the second radiation arm 203 are triangle, and these leg-of-mutton three limits are three serpentines.
Further, the first radiation arm 201 and the second radiation arm 203 can also have other implementations.Wherein, the first radiation arm 201 both can be identical with the shape of the second radiation arm 203, also can not be identical.First radiation arm 201 and the second radiation arm 203 both can be designed to symmetric form, also can be designed to unsymmetric form.
Further, Ba Lun unit 202 comprises: the first linking arm 2021, second linking arm 2022 and Ba Lun portion 2023, one end of this first linking arm 2021 is fixed in Ba Lun portion 2023, the other end of the first linking arm 2021 is connected with the first radiation arm 201, one end of second linking arm 2022 is fixed in Ba Lun portion 2023, the other end of the second linking arm 2022 is connected with the second radiation arm 203, first linking arm 2021 and the second linking arm 2022 be arranged in parallel, the first linking arm 2021 and the second linking arm 2022 are respectively equipped with signal feed-in point and.Such as: the first linking arm 2021 is provided with signal feed-in point, the second linking arm 2022 is provided with earth point; Or the first linking arm 2021 is provided with earth point, the second linking arm 2022 is provided with signal feed-in point.Above-mentioned signal feed-in point and the position of earth point on the first linking arm 2021 and the second linking arm 2022, can be arranged as required.
Further, be provided with pad in the signal feed-in point of Ba Lun unit 202 and earth point place, Ba Lun unit 202 is connected with coaxial line by pad.This coaxial line is used for ground connection and feed, and pad can play fixation to coaxial cable or microstrip line.In another kind of implementation, microstrip line can also be adopted to be grounded and feed, now microstrip line directly can be printed on the circuit board of antenna.
Further, groove is provided with in the middle of Ba Lun portion 2023, this groove comprises connected vertical groove A and transverse concave groove B, wherein, the direction of transverse concave groove B is identical to the bearing of trend of free end with aforementioned stiff end, first linking arm 2021 and the second linking arm 2022 are connected to the opening both sides of vertical groove A, and the length of transverse concave groove B is λ/4 electrical length.As shown in Figure 2, in the present embodiment, this vertical groove A and transverse concave groove B is orthogonal.In a further embodiment, this groove can be made up of two directions and all irregular groove of shape, and what need guarantee is that the distance that electric current flows to earth point process from signal feed-in point by this groove is about λ/2 electrical length.
Wherein, Ba Lun unit 202 both can be symmetric form, also can be unsymmetric form.This unsymmetric form both can be the first linking arm and the asymmetric setting of the second linking arm, also can be that the shape in Ba Lun portion own is asymmetric.
See Fig. 2, in the present embodiment, the first linking arm 2021, second linking arm 2022 and Ba Lun portion 2023 are rectangle.In other embodiments of the invention, Ba Lun portion 2023 can also be circular, oval or other figures, and the first linking arm 2021 and the 3rd linking arm 2022 can also be circular, oval or other figures.
The effect of Ba Lun unit makes to reach feed balance between signal feed-in point and earth point, is introduced below for the operation principle of coaxial cable to above-mentioned Ba Lun unit 202:
Coaxial cable belongs to unbalanced line, if be directly connected with antenna by coaxial cable, then the crust of coaxial cable just has Leakage Current to flow through, and this Leakage Current is identical with signal feed-in point electric current.And press co-axial cables transport principle, high-frequency current should in coaxial cable internal flow, and crust is screen, does not have electric current.The crust of coaxial cable if crust has current flowing, the radiation of antenna will be affected, because also take part in the radiation of electric wave.Therefore, in order to avoid above-mentioned situation, will add Ba Lun unit between antenna and coaxial cable, thus realize feed balance, feed balance refers to that signal feed-in point is equal with the size of current of earth point, and phase place is contrary.Due to, electric current is along Ba Lun unit 202 flows outside, therefore the electric current of signal feed-in point flows to earth point along the groove in Ba Lun portion 2023, length due to transverse concave groove is λ/4 electrical length, therefore the distance that electric current flows to earth point process from signal feed-in point by this groove is about λ/2 electrical length, and when electric current is through λ/2 electrical length, its phase place is contrary with the electric current of signal feed-in point, so just can neutralize with earth point coaxial cable crust Leakage Current.What deserves to be explained is, the distance that electric current flows through in above process is difficult to completely equal with λ/2 electrical length, as long as this distance be designed near the electrical length of λ/2 in actual design.
The antenna that the embodiment of the present invention provides can be by the metal metal plate antennas of same, and metal-integral can be adopted to be stamped to form, and laser direct structuring technique also can be adopted to realize; This antenna can also be printed on PCB(Printed Circuit Board, printed circuit board) on printed antenna.
Further, this antenna is particularly useful for mobile terminal, and the fixed form of antenna can be dozen hot melt hole, structural member draw-in groove is fixed.The conveniently installation of antenna and fixing, can utilize the flexible feature of antenna, be designed to the miscellaneous part of mobile terminal conformal, namely this antenna both can be flat plane antenna, also can be dimensional antenna.The surface of such as installation position is arc, then antenna surface can make curved profile and this installation position is conformal.Further, the three-dimensional pattern that this antenna is formed except above-mentioned planar fashion and laminated structure, can also adopt tridimensional structure, such as, the first radiation arm and the second radiation arm are designed to the forms such as cone.
See Fig. 3, in one implementation, the size and dimension of this antenna is as follows:
Antenna adopts symmetric design, beam overall is 44mm, first radiation arm 201 and the second radiation arm 203 are triangle, and the Breadth Maximum of the first radiation arm 201 and the second radiation arm 203 is 10mm, between first radiation arm 201 and the second radiation arm 203, spacing is 2mm, and the length of the first linking arm 201 and the second linking arm 203 is 7.5mm, and rumba portion is rectangle, the long 15mm of wide 7mm, transverse concave groove B.
Fig. 4 is the S11(return loss of the antenna adopting above-mentioned shape and size, one in antenna S parameter) and frequency relation figure, in figure, abscissa is frequency, unit is GHz, and be S11 from coordinate, unit is dBa, S11 represents with dBa value, requiring during usual designing antenna that S11 should be less than-10dBa, is that the frequency values that S11 is less than-10dBa has 2.2446GHz ~ 2.5735GHz, 5.0732GHz ~ 6.9094GHz as seen from the figure.Calculate known according to (2.5735-2.2446)/2.4, antenna reaches 13.8% in the bandwidth at 2.4G frequency range place, calculate known according to (6.9094-5.0732)/5, antenna reaches 36.6% in the bandwidth of 5G frequency range, therefore this antenna can take into account two wifi frequency ranges simultaneously, and bandwidth is sufficient, efficiency is high.
The antenna that the embodiment of the present invention provides comprises the first radiation arm, Ba Lun unit and the second radiation arm, first radiation arm and the second radiation arm increase from the one end be connected with Ba Lun unit gradually to the other end respectively, therefore the first radiation arm and the second radiation arm surface current flow direction can decomposite horizontal component and vertical component, namely this antenna comprises horizontal and vertical two kinds of polarization modes, simultaneously, because aerial radiation arm increases gradually, on the one hand, the induction reactance of aerial radiation arm and dielectric loss are all diminished, and then cause antenna current loss little, current strength is large, so radiation efficiency is high, on the other hand, because aerial radiation arm increases gradually, antenna aperture is increased, this ensures that there antenna and all have comparatively large bandwidth at 2.4GHz and 5GHz.
Embodiment three
Embodiments provide a kind of antenna, see Fig. 5, this antenna comprises:
First radiation arm 301, Ba Lun unit 302 and the second radiation arm 303, Ba Lun unit 302 is connected with one end of the first radiation arm 301 and one end of the second radiation arm 303 respectively, Ba Lun unit 302 is provided with signal feed-in point and earth point, and the first radiation arm 301 and the second radiation arm 303 are respectively from the one end be connected with Ba Lun unit 302 to other end first increases and then decreases.
Particularly, first radiation arm 301 and the second radiation arm 303 comprise stiff end 3A and the free end 3B relative with stiff end 3A respectively, stiff end 3A is connected with Ba Lun unit 302, the first radiation arm 301 and the second radiation arm 303 first increases and then decreases from stiff end 3A to free end 3B respectively.
See Fig. 5, in the present embodiment, the first radiation arm 301 and the second radiation arm 303 are laminated structure, and the shape of the first radiation arm 301 and the second radiation arm 303 is rhombus.In other embodiments of the invention, the first radiation arm 301 and the second radiation arm 303 can also be oval or other irregular figures.
See Fig. 5, in the present embodiment, the first radiation arm 301 and the second radiation arm 303 are respectively diamond-type metal sheet, and hollow out in the middle part of sheet metal.This hollow out includes but not limited to the rhombus shown in Fig. 5.While not affecting resonant frequency characteristic, hollow parts is set and can reduces antenna materials, reduce costs, can also antenna weights be alleviated.Certainly, the design of this hollow out is not necessary.
In another embodiment of the invention, the first radiation arm 301 and the second radiation arm 303 are rhombus, and four limits of this rhombus are four serpentines.
Further, the first radiation arm 301 and the second radiation arm 303 can also have other implementations.Wherein, the first radiation arm 301 both can be identical with the shape of the second radiation arm 303, also can not be identical.First radiation arm 301 and the second radiation arm 303 both can be designed to symmetric form, also can be designed to unsymmetric form.
Further, Ba Lun unit 302 comprises: the first linking arm 3021, second linking arm 3022 and Ba Lun portion 3023, one end of this first linking arm 3021 is fixed in Ba Lun portion 3023, the other end of the first linking arm 3021 is connected with the first radiation arm 301, one end of second linking arm 3022 is fixed in Ba Lun portion 3023, the other end of the second linking arm 3022 is connected with the second radiation arm 303, first linking arm 3021 and the second linking arm 3022 be arranged in parallel, and the first linking arm 3021 and the second linking arm 3022 are respectively equipped with signal feed-in point and earth point.Such as: the first linking arm 2021 is provided with signal feed-in point, the second linking arm 2022 is provided with earth point; Or the first linking arm 2021 is provided with earth point, the second linking arm 2022 is provided with signal feed-in point.The position on the first linking arm 2021 and the second linking arm 2022 of above-mentioned signal feed-in point and earth point, can be arranged as required.
Further, be provided with pad in the signal feed-in point of Ba Lun unit 302 and earth point place, Ba Lun unit 302 is connected with coaxial line by pad.This coaxial line is used for ground connection and feed, and pad can play fixation to coaxial cable or microstrip line.In another kind of implementation, microstrip line can also be adopted to be grounded and feed, now microstrip line directly can be printed on the circuit board of antenna.
Further, groove is provided with in the middle of Ba Lun portion 3023, this groove comprises connected vertical groove A and transverse concave groove B, the direction of transverse concave groove B is identical to the bearing of trend of free end with aforementioned stiff end, first linking arm 3021 and the second linking arm 3022 are connected to the opening both sides of vertical groove A, and the length of transverse concave groove B is λ/4 electrical length.As shown in Figure 5, in the present embodiment, this vertical groove A and transverse concave groove B is orthogonal.In a further embodiment, this groove can be made up of two directions and all irregular groove of shape, and what need guarantee is that the distance that electric current flows to earth point process from signal feed-in point by this groove is about λ/2 electrical length.
Wherein, Ba Lun unit 302 both can be symmetric form, also can be unsymmetric form.This unsymmetric form both can be the first linking arm and the asymmetric setting of the second linking arm, also can be that the shape in Ba Lun portion own is asymmetric.
See Fig. 5, in the present embodiment, the first linking arm 3021, second linking arm 3022 and Ba Lun portion 3023 are rectangle.In other embodiments of the invention, Ba Lun portion 3023 can also be circular, oval or other figures, and the first linking arm 3021 and the 3rd linking arm 3022 can also be circular, oval or other figures.
The antenna that the embodiment of the present invention provides can be by the metal metal plate antennas of same, and metal-integral can be adopted to be stamped to form, and laser direct structuring technique also can be adopted to realize; This antenna can also be the printed antenna be printed on PCB.
Further, this antenna is particularly useful for mobile terminal, and the fixed form of antenna can be dozen hot melt hole, structural member draw-in groove is fixed.The conveniently installation of antenna and fixing, can utilize the flexible feature of antenna, be designed to the miscellaneous part of mobile terminal conformal, namely this antenna both can be flat plane antenna, also can be dimensional antenna.The surface of such as installation position is arc, then antenna surface can make curved profile and this installation position is conformal.Further, the three-dimensional pattern that this antenna is formed except above-mentioned planar fashion and laminated structure, can also adopt tridimensional structure, such as, the first radiation arm and the second radiation arm are designed to the forms such as gyro.
The antenna that the embodiment of the present invention provides comprises the first radiation arm, Ba Lun unit and the second radiation arm, first radiation arm and the second radiation arm are respectively from the one end be connected with Ba Lun unit to other end first increases and then decreases, therefore the first radiation arm and the second radiation arm surface current flow direction can decomposite horizontal component and vertical component, namely this antenna comprises horizontal and vertical two kinds of polarization modes, simultaneously, because aerial radiation arm first increases, on the one hand, the induction reactance of aerial radiation arm and dielectric loss are all diminished, and then cause antenna current loss little, current strength is large, so radiation efficiency is high, on the other hand, because aerial radiation arm first increases, antenna aperture is increased, this ensures that there antenna and all have comparatively large bandwidth at 2.4GHz and 5GHz.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. an antenna, described antenna comprises: the first radiation arm and the second radiation arm, it is characterized in that, described antenna also comprises: Ba Lun unit, described Ba Lun unit is connected with one end of described first radiation arm and one end of described second radiation arm respectively, described Ba Lun unit is provided with signal feed-in point and earth point, described first radiation arm and described second radiation arm increase from the one end be connected with described Ba Lun unit gradually to the other end respectively, or described first radiation arm and described second radiation arm are respectively from the one end be connected with described Ba Lun unit to other end first increases and then decreases.
2. antenna according to claim 1, is characterized in that, described first radiation arm and described second radiation arm are triangle, trapezoidal, oval or rhombus.
3. antenna according to claim 2, is characterized in that, described first radiation arm and described second radiation arm are respectively sheet metal, hollow out in the middle part of described sheet metal.
4. antenna according to claim 2, is characterized in that, described first radiation arm and described second radiation arm are joined end to end by many serpentines respectively and form.
5. antenna according to claim 1, is characterized in that, the symmetrical shape or asymmetric of described first radiation arm and described second radiation arm.
6. antenna according to claim 1, it is characterized in that, described Ba Lun unit comprises: Ba Lun portion, first linking arm and the second linking arm, one end of described first linking arm is fixed in described Ba Lun portion, the other end of described first linking arm is connected with described first radiation arm, one end of described second linking arm is fixed in described Ba Lun portion, the other end of described second linking arm is connected with described second radiation arm, described first linking arm and described second linking arm be arranged in parallel, described first linking arm and described second linking arm are respectively equipped with described signal feed-in point and described earth point.
7. antenna according to claim 6, is characterized in that, described signal feed-in point and described earth point place are provided with pad, and described Ba Lun unit is connected with coaxial line by described pad.
8. antenna according to claim 6, it is characterized in that, described Ba Lun portion is provided with groove, described groove comprises connected vertical groove and transverse concave groove, described first linking arm and described second linking arm are connected to the opening both sides of described vertical groove, and the length of described transverse concave groove is λ/4 electrical length.
9. antenna according to claim 8, is characterized in that, described Ba Lun portion is rectangle, circle or oval.
10. antenna according to claim 8, is characterized in that, described first linking arm and described second linking arm are respectively rectangle, circle or oval.
11. antennas according to any one of claim 1 ~ 10, it is characterized in that, described antenna is flat plane antenna or dimensional antenna.
12. antennas according to any one of claim 1 ~ 10, it is characterized in that, described antenna is metal plate antennas or printed antenna.
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| CN201310507646.4A CN104577308B (en) | 2013-10-24 | 2013-10-24 | A kind of antenna |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106374219A (en) * | 2016-09-20 | 2017-02-01 | 深圳市中天迅通信技术有限公司 | Non-frequency-offset copper bush antenna for POS machine |
| CN110350303A (en) * | 2019-06-30 | 2019-10-18 | 瑞声科技(新加坡)有限公司 | WIFI antenna and wireless communication device |
| CN111653862A (en) * | 2020-06-08 | 2020-09-11 | 国网新疆电力有限公司乌鲁木齐供电公司 | Butterfly antenna for partial discharge UHF detection and UHF detection sensor |
| CN112088465A (en) * | 2018-08-07 | 2020-12-15 | 华为技术有限公司 | Antenna |
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| CN203242741U (en) * | 2013-01-07 | 2013-10-16 | 航天信息股份有限公司 | Hand-held set external-connection antenna |
Cited By (6)
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| CN106374219A (en) * | 2016-09-20 | 2017-02-01 | 深圳市中天迅通信技术有限公司 | Non-frequency-offset copper bush antenna for POS machine |
| CN112088465A (en) * | 2018-08-07 | 2020-12-15 | 华为技术有限公司 | Antenna |
| US11955738B2 (en) | 2018-08-07 | 2024-04-09 | Huawei Technologies Co., Ltd. | Antenna |
| CN110350303A (en) * | 2019-06-30 | 2019-10-18 | 瑞声科技(新加坡)有限公司 | WIFI antenna and wireless communication device |
| US11245178B2 (en) * | 2019-06-30 | 2022-02-08 | AAC Technologies Pte. Ltd. | WIFI antenna and wireless communication device |
| CN111653862A (en) * | 2020-06-08 | 2020-09-11 | 国网新疆电力有限公司乌鲁木齐供电公司 | Butterfly antenna for partial discharge UHF detection and UHF detection sensor |
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Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
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Effective date of registration: 20181220 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |