CN103594787B - U-shaped multifrequency coplane mobile phone antenna - Google Patents
U-shaped multifrequency coplane mobile phone antenna Download PDFInfo
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- CN103594787B CN103594787B CN201310549087.3A CN201310549087A CN103594787B CN 103594787 B CN103594787 B CN 103594787B CN 201310549087 A CN201310549087 A CN 201310549087A CN 103594787 B CN103594787 B CN 103594787B
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Abstract
The invention discloses a U-shaped multifrequency coplane mobile phone antenna which comprise a substrate, an impedance matching input transmission wire, a U-shaped radiation paster, an impedance matching short-circuit wire, a left U-shaped branch knot, a right U-shaped branch knot, an L-shaped branch knot, an L-shaped grounding wire, a right rectangular grounding wire, a middle rectangular grounding wire, a left rectangular grounding wire, a U-shaped coupling grounding wire, a small rectangular grounding plate and a big rectangular grounding plate. The impedance matching input transmission wire, the U-shaped radiation paster, the impedance matching short-circuit wire, the left U-shaped branch knot, the right U-shaped branch knot, the L-shaped branch knot, the L-shaped grounding wire, the right rectangular grounding wire, the middle rectangular grounding wire, the left rectangular grounding wire, the U-shaped coupling grounding wire, the small rectangular grounding plate and the big rectangular grounding plate are arranged on the upper surface of the substrate. The antenna carries out coupled feeding through the impedance matching input transmission wire and the impedance matching short-circuit wire. The U-shaped multifrequency coplane mobile phone antenna has the advantages of having multiband, and being simple in structure, small in size, light, easy to manufacture and convenient to integrate and the like, and has good application prospects in mobile phones.
Description
Technical field
The present invention relates to antenna, particularly relate to a kind of U-shaped multifrequency coplane mobile phone antenna.
Background technology
According to the recent statistics report display that International Telecommunications Union (ITU) issues a few days ago, by the end of the year in 2011, whole world cellphone subscriber's total amount reaches 5,900,000,000, and population in the world is 7,000,000,000, the report of this part of cellphone subscriber's amount illustrates that mobile communication has been deep in the middle of the daily life of the global public, cell phone becomes one of electronic product popularized the most, and in all cellphone subscribers in the whole world, mobile broadband user nearly 1,200,000,000, in the past in 4 years, whole world mobile broadband customer volume is just with annual 45% rapid growth, by up till now, whole world mobile broadband number of users and fixed line broadband user percentage reach 2:1, the epoch of this bright mobile broadband arrive.In the whole world, for promoting the development of mobile broadband industry, 159 countries and regions have been had to be proposed 3G mobile communications network in the world, although at present the coverage of 2G network is still the twice of 3G network, can believe that 3G network in the near future will reach or more than the coverage of 2G network.
Extensively build along with 3G network, and the rise of LTE and WiMAX standard, mobile communication system just strides forward steadily towards the 4G epoch, cell phone is also towards the future development of the Internet amusement type terminal, and antenna for mobile phone is as an extremely important part in mobile phone terminal, govern the overall performance of mobile phone wireless transmission, traditional antenna for mobile phone can not meet 4G radio communication: the requirement of multiband and wideband, various miniaturized LTE antenna for mobile phone have become the focus of communication industry research at present, therefore miniaturized at antenna for mobile phone, research on multifrequency and broadband direction obviously has great significance.
Summary of the invention
The invention provides a kind of U-shaped multifrequency coplane mobile phone antenna, technical scheme is as follows:
U-shaped multifrequency coplane mobile phone antenna comprises substrate, impedance matching input transmission line, U-shaped radiation patch, impedance matching short-circuit line, left U-shaped minor matters, right U-shaped minor matters, L shape minor matters, L shape earth connection, right rectangle earth connection, middle rectangle earth connection, left rectangle earth connection, U-shaped coupling grounding line, little rectangle ground plate, large rectangle ground plate, the upper surface of substrate is provided with impedance matching input transmission line, U-shaped radiation patch, impedance matching short-circuit line, left U-shaped minor matters, right U-shaped minor matters, L shape minor matters, L shape earth connection, right rectangle earth connection, middle rectangle earth connection, left rectangle earth connection, U-shaped coupling grounding line, little rectangle ground plate, large rectangle ground plate, the impedance matching input lower right side of transmission line is connected with the limit, lower end of U-shaped radiation patch, the opening of U-shaped radiation patch left, on the left of impedance matching short-circuit line, midpoint is connected with the limit, lower end of left U-shaped minor matters, the opening of left U-shaped minor matters to the right, the limit, upper end of left U-shaped minor matters is connected with on the left of the left end limit of right U-shaped minor matters, the opening upwards of right U-shaped minor matters, side, right U-shaped minor matters right-hand member limit is connected with the right side, long limit of L shape minor matters, the opposite side on right U-shaped minor matters right-hand member limit is connected with the minor face left side of L shape earth connection, the lower surface, long limit of L shape earth connection is connected with little rectangle ground plate upper right side, right U-shaped minor matters upper end, L shape minor matters upper end is all connected with the upper end of substrate with L shape earth connection upper end, the left end of right rectangle earth connection is connected with the lower right sides of right U-shaped minor matters, the right-hand member of right rectangle earth connection is connected with the side, upper left of little rectangle ground plate, the upper end of middle rectangle earth connection is connected with the base midpoint of right U-shaped minor matters, the lower end of middle rectangle earth connection is connected with on the right side of the upper end of large rectangle ground plate, be connected with limit, U-shaped coupling grounding line upper end on the right side of the upper end of left rectangle earth connection, the opening of U-shaped coupling grounding line left, the lower end of left rectangle earth connection is connected with the upper left end points of large rectangle ground plate, the lower end of little rectangle ground plate is connected with the upper end of large rectangle ground plate, the right-hand member of little rectangle ground plate and the right-hand member of substrate overlap, the bottom of large rectangle ground plate and the bottom of substrate overlap.
Described substrate is glass-epoxy material, and the length of substrate is 121.6mm ~ 122mm, and width is 60mm ~ 61mm.The length of described impedance matching input transmission line is 9mm ~ 10mm, and wide is 1mm ~ 1.2mm.Described U-shaped radiation patch is formed by connecting by lower rectangular metal sheet, right rectangular metal sheet and upper rectangular metal sheet, the length of lower rectangular metal sheet is 17mm ~ 18mm, the wide of lower rectangular metal sheet is 4mm ~ 5mm, the length of right rectangular metal sheet is 5mm ~ 6mm, the wide of right rectangular metal sheet is 4mm ~ 5mm, the length of upper rectangular metal sheet is 16mm ~ 17mm, and the wide of upper rectangular metal sheet is 2mm ~ 3mm.The length of described impedance matching short-circuit line is 7mm ~ 8mm, and wide is 1mm ~ 1.2mm.In described left U-shaped minor matters, the length of side is 36mm ~ 37mm, and upper hem width is 1mm ~ 1.2mm, and the left side is long is 9mm ~ 10mm, and the left side is wide is 1mm ~ 1.2mm, and the lower length of side is 11mm ~ 12mm, and lower hem width is 1mm ~ 1.2mm; The left side of described right U-shaped minor matters is long is 15mm ~ 16mm, and the left side is wide is 1mm ~ 1.2mm, and the lower length of side is 5mm ~ 6mm, and lower hem width is 1mm ~ 1.2mm, and the right is long is 15mm ~ 16mm, and the right is wide is 1mm ~ 1.2mm; The length on the long limit of described L shape minor matters is 46mm ~ 47mm, and the wide of long limit is 1mm ~ 1.2mm, and the length of minor face is 4mm ~ 5mm, and the wide of minor face is 1mm ~ 1.2mm.The left side of described L shape earth connection is long is 9mm ~ 10mm, and the left side is wide is 1mm ~ 1.2mm, and the lower length of side is 10mm ~ 11mm, and lower hem width is 1mm ~ 1.2mm; The length of described right rectangle earth connection is 2mm ~ 3mm, and wide is 1mm ~ 1.2mm; The length of described middle rectangle earth connection is 6mm ~ 7mm, and wide is 1mm ~ 1.2mm; The length of described left rectangle earth connection is 5mm ~ 6mm, and wide is 1mm ~ 1.2mm.The upper length of side of described U-shaped coupling grounding line is 22mm ~ 23mm, and upper hem width is 0.5mm ~ 1mm, and the right is long is 3mm ~ 3.5mm, and the right is wide is 2mm ~ 2.5mm, and the lower length of side is 10mm ~ 11mm, and lower hem width is 0.5mm ~ 1mm.The length of described little rectangle ground plate is 10mm ~ 11mm, and wide is 7mm ~ 8mm; The length of described large rectangle ground plate is 100mm ~ 102mm, and wide is 60mm ~ 61mm.
U-shaped multifrequency coplane mobile phone antenna of the present invention has multiband, and structure is simple, and volume is little, and quality is light, is easy to make and be convenient to the advantages such as integrated.
Accompanying drawing explanation
Fig. 1 is the structural representation of U-shaped multifrequency coplane mobile phone antenna;
Fig. 2 is the return loss plot of U-shaped multifrequency coplane mobile phone antenna;
Fig. 3 is the E surface radiation directional diagram of antenna when 0.75GHz;
Fig. 4 is the H surface radiation directional diagram of antenna when 0.75GHz;
Fig. 5 is the E surface radiation directional diagram of antenna when 2.6GHz;
Fig. 6 is the H surface radiation directional diagram of antenna when 2.6GHz;
Fig. 7 is the E surface radiation directional diagram of antenna when 3.5GHz;
Fig. 8 is the H surface radiation directional diagram of antenna when 3.5GHz.
Embodiment
As shown in Figure 1, U-shaped multifrequency coplane mobile phone antenna, is characterized in that comprising substrate 1, impedance matching input transmission line 2, U-shaped radiation patch 3, impedance matching short-circuit line 4, left U-shaped minor matters 5, right U-shaped minor matters 6, L shape minor matters 7, L shape earth connection 8, right rectangle earth connection 9, middle rectangle earth connection 10, left rectangle earth connection 11, U-shaped coupling grounding line 12, little rectangle ground plate 13, large rectangle ground plate 14, the upper surface of substrate 1 is provided with impedance matching input transmission line 2, U-shaped radiation patch 3, impedance matching short-circuit line 4, left U-shaped minor matters 5, right U-shaped minor matters 6, L shape minor matters 7, L shape earth connection 8, right rectangle earth connection 9, middle rectangle earth connection 10, left rectangle earth connection 11, U-shaped coupling grounding line 12, little rectangle ground plate 13, large rectangle ground plate 14, the impedance matching input lower right side of transmission line 2 is connected with the limit, lower end of U-shaped radiation patch 3, the opening of U-shaped radiation patch 3 left, on the left of impedance matching short-circuit line 4, midpoint is connected with the limit, lower end of left U-shaped minor matters 5, the opening of left U-shaped minor matters 5 to the right, the limit, upper end of left U-shaped minor matters 5 is connected with on the left of the left end limit of right U-shaped minor matters 6, the opening upwards of right U-shaped minor matters 6, side, right U-shaped minor matters 6 right-hand member limit is connected with the right side, long limit of L shape minor matters 7, the opposite side on right U-shaped minor matters 6 right-hand member limit is connected with the minor face left side of L shape earth connection 8, the lower surface, long limit of L shape earth connection 8 is connected with little rectangle ground plate 13 upper right side, right U-shaped minor matters 6 upper end, L shape minor matters 7 upper end is all connected with the upper end of substrate 1 with L shape earth connection 8 upper end, the left end of right rectangle earth connection 9 is connected with the lower right sides of right U-shaped minor matters 6, the right-hand member of right rectangle earth connection 9 is connected with the side, upper left of little rectangle ground plate 13, the upper end of middle rectangle earth connection 10 is connected with the base midpoint of right U-shaped minor matters 6, the lower end of middle rectangle earth connection 10 is connected with on the right side of the upper end of large rectangle ground plate 14, be connected with limit, U-shaped coupling grounding line 12 upper end on the right side of the upper end of left rectangle earth connection 11, the opening of U-shaped coupling grounding line 12 left, the lower end of left rectangle earth connection 11 is connected with the upper left end points of large rectangle ground plate 14, the lower end of little rectangle ground plate 13 is connected with the upper end of large rectangle ground plate 14, the right-hand member of little rectangle ground plate 13 and the right-hand member of substrate 1 overlap, the bottom of large rectangle ground plate 14 and the bottom of substrate 1 overlap.
Described substrate 1 is glass-epoxy material, and the length of substrate 1 is 121.6mm ~ 122mm, and width is 60mm ~ 61mm.The length of described impedance matching input transmission line 2 is 9mm ~ 10mm, and wide is 1mm ~ 1.2mm.Described U-shaped radiation patch 3 is formed by connecting by lower rectangular metal sheet, right rectangular metal sheet and upper rectangular metal sheet, the length of lower rectangular metal sheet is 17mm ~ 18mm, the wide of lower rectangular metal sheet is 4mm ~ 5mm, the length of right rectangular metal sheet is 5mm ~ 6mm, the wide of right rectangular metal sheet is 4mm ~ 5mm, the length of upper rectangular metal sheet is 16mm ~ 17mm, and the wide of upper rectangular metal sheet is 2mm ~ 3mm.The length of described impedance matching short-circuit line 4 is 7mm ~ 8mm, and wide is 1mm ~ 1.2mm.In described left U-shaped minor matters 5, the length of side is 36mm ~ 37mm, and upper hem width is 1mm ~ 1.2mm, and the left side is long is 9mm ~ 10mm, and the left side is wide is 1mm ~ 1.2mm, and the lower length of side is 11mm ~ 12mm, and lower hem width is 1mm ~ 1.2mm; The left side of described right U-shaped minor matters 6 is long is 15mm ~ 16mm, and the left side is wide is 1mm ~ 1.2mm, and the lower length of side is 5mm ~ 6mm, and lower hem width is 1mm ~ 1.2mm, and the right is long is 15mm ~ 16mm, and the right is wide is 1mm ~ 1.2mm; The length on the long limit of described L shape minor matters 7 is 46mm ~ 47mm, and the wide of long limit is 1mm ~ 1.2mm, and the length of minor face is 4mm ~ 5mm, and the wide of minor face is 1mm ~ 1.2mm.The left side of described L shape earth connection 8 is long is 9mm ~ 10mm, and the left side is wide is 1mm ~ 1.2mm, and the lower length of side is 10mm ~ 11mm, and lower hem width is 1mm ~ 1.2mm; The length of described right rectangle earth connection 9 is 2mm ~ 3mm, and wide is 1mm ~ 1.2mm; The length of described middle rectangle earth connection 10 is 6mm ~ 7mm, and wide is 1mm ~ 1.2mm; The length of described left rectangle earth connection 11 is 5mm ~ 6mm, and wide is 1mm ~ 1.2mm.The upper length of side of described U-shaped coupling grounding line 12 is 22mm ~ 23mm, and upper hem width is 0.5mm ~ 1mm, and the right is long is 3mm ~ 3.5mm, and the right is wide is 2mm ~ 2.5mm, and the lower length of side is 10mm ~ 11mm, and lower hem width is 0.5mm ~ 1mm.The length of described little rectangle ground plate 13 is 10mm ~ 11mm, and wide is 7mm ~ 8mm; The length of described large rectangle ground plate 14 is 100mm ~ 102mm, and wide is 60mm ~ 61mm.
embodiment 1
Selection dielectric constant is the glass-epoxy material making substrate of 4.4, and thickness is 1.6mm.The length of substrate is 121.6mm, and width is 60mm.The length of impedance matching input transmission line is 9mm, and wide is 1mm.U-shaped radiation patch is formed by connecting by lower rectangular metal sheet, right rectangular metal sheet and upper rectangular metal sheet, the length of lower rectangular metal sheet is 17mm, the wide of lower rectangular metal sheet is 4mm, the length of right rectangular metal sheet is 5mm, the wide of right rectangular metal sheet is 4mm, the length of upper rectangular metal sheet is 16mm, and the wide of upper rectangular metal sheet is 2mm.The length of impedance matching short-circuit line is 7mm, and wide is 1mm.In left U-shaped minor matters, the length of side is 36mm, and upper hem width is 1mm, and the left side is long is 9mm, and the left side is wide is 1mm, and the lower length of side is 11mm, and lower hem width is 1mm; The left side of right U-shaped minor matters is long is 15mm, and the left side is wide is 1mm, and the lower length of side is 5mm, and lower hem width is 1mm, and the right is long is 15mm, and the right is wide is 1mm; The length on the long limit of L shape minor matters is 46mm, and the wide of long limit is 1mm, and the length of minor face is 4mm, and the wide of minor face is 1mm.The left side of L shape earth connection is long is 9mm, and the left side is wide is 1mm, and the lower length of side is 10mm, and lower hem width is 1mm; The length of right rectangle earth connection is 2mm, and wide is 1mm; The length of middle rectangle earth connection is 6mm, and wide is 1mm; The length of left rectangle earth connection is 5mm, and wide is 1mm.The upper length of side of U-shaped coupling grounding line is 22mm, and upper hem width is 0.5mm, and the right is long is 3mm, and the right is wide is 2mm, and the lower length of side is 10mm, and lower hem width is 0.5mm.The length of little rectangle ground plate is 10mm, and wide is 7mm; The length of large rectangle ground plate is 100mm, and wide is 60mm.The property indices of U-shaped multifrequency coplane mobile phone antenna adopts CST software to carry out test analysis, and as shown in Figure 2, as seen from the figure, the working frequency range of below-6dB is 0.69GHz ~ 0.82GHz and 2.475GHz ~ 3.955GHz to the return loss plot of gained.Fig. 3-4 is depicted as the E face of antenna when 0.75GHz and H face directional diagram, and as seen from the figure, gain is 2.7dBi, and half power lobe width is 102.3 °.Fig. 5-6 is depicted as the E face of antenna when 2.6GHz and H face directional diagram, and as seen from the figure, gain is 4.8dBi, and half power lobe width is 102.5 °.Fig. 7-8 is depicted as the E face of antenna when 3.5GHz and H face directional diagram, and as seen from the figure, gain is 5.3dBi, and half power lobe width is 28.5 °.
Claims (9)
1. a U-shaped multifrequency coplane mobile phone antenna, is characterized in that comprising substrate (1), impedance matching input transmission line (2), U-shaped radiation patch (3), impedance matching short-circuit line (4), left U-shaped minor matters (5), right U-shaped minor matters (6), L shape minor matters (7), L shape earth connection (8), right rectangle earth connection (9), middle rectangle earth connection (10), left rectangle earth connection (11), U-shaped coupling grounding line (12), little rectangle ground plate (13), large rectangle ground plate (14), the upper surface of substrate (1) is provided with impedance matching input transmission line (2), U-shaped radiation patch (3), impedance matching short-circuit line (4), left U-shaped minor matters (5), right U-shaped minor matters (6), L shape minor matters (7), L shape earth connection (8), right rectangle earth connection (9), middle rectangle earth connection (10), left rectangle earth connection (11), U-shaped coupling grounding line (12), little rectangle ground plate (13), large rectangle ground plate (14), the lower right side of impedance matching input transmission line (2) is connected with the limit, lower end of U-shaped radiation patch (3), the opening of U-shaped radiation patch (3) left, impedance matching short-circuit line (4) left side midpoint is connected with the limit, lower end of left U-shaped minor matters (5), the opening of left U-shaped minor matters (5) to the right, the limit, upper end of left U-shaped minor matters (5) is connected with on the left of the left end limit of right U-shaped minor matters (6), the opening upwards of right U-shaped minor matters (6), side, right U-shaped minor matters (6) right-hand member limit is connected with the right side, long limit of L shape minor matters (7), the opposite side on right U-shaped minor matters (6) right-hand member limit is connected with the minor face left side of L shape earth connection (8), the lower surface, long limit of L shape earth connection (8) is connected with little rectangle ground plate (13) upper right side, the upper end, right-hand member limit of right U-shaped minor matters (6), L shape minor matters (7) upper end is all connected with the upper end of substrate (1) with L shape earth connection (8) upper end, the left end of right rectangle earth connection (9) is connected with the lower right sides of right U-shaped minor matters (6), the right-hand member of right rectangle earth connection (9) is connected with the side, upper left of little rectangle ground plate (13), the upper end of middle rectangle earth connection (10) is connected with the base midpoint of right U-shaped minor matters (6), the lower end of middle rectangle earth connection (10) is connected with on the right side of the upper end of large rectangle ground plate (14), be connected with U-shaped coupling grounding line (12) limit, upper end on the right side of the upper end of left rectangle earth connection (11), the opening of U-shaped coupling grounding line (12) left, the lower end of left rectangle earth connection (11) is connected with the upper left end points of large rectangle ground plate (14), the lower end of little rectangle ground plate (13) is connected with the upper end of large rectangle ground plate (14), the right-hand member of little rectangle ground plate (13) and the right-hand member of substrate (1) overlap, the bottom of large rectangle ground plate (14) and the bottom of substrate (1) overlap.
2. a kind of U-shaped multifrequency coplane mobile phone antenna according to claim 1, it is characterized in that described substrate (1) is glass-epoxy material, the length of substrate (1) is 121.6mm ~ 122mm, and width is 60mm ~ 61mm.
3. a kind of U-shaped multifrequency coplane mobile phone antenna according to claim 1, it is characterized in that the length of described impedance matching input transmission line (2) is 9mm ~ 10mm, wide is 1mm ~ 1.2mm.
4. a kind of U-shaped multifrequency coplane mobile phone antenna according to claim 1, it is characterized in that described U-shaped radiation patch (3) is formed by connecting by lower rectangular metal sheet, right rectangular metal sheet and upper rectangular metal sheet, the length of lower rectangular metal sheet is 17mm ~ 18mm, the wide of lower rectangular metal sheet is 4mm ~ 5mm, the length of right rectangular metal sheet is 5mm ~ 6mm, the wide of right rectangular metal sheet is 4mm ~ 5mm, and the length of upper rectangular metal sheet is 16mm ~ 17mm, and the wide of upper rectangular metal sheet is 2mm ~ 3mm.
5. a kind of U-shaped multifrequency coplane mobile phone antenna according to claim 1, it is characterized in that the length of described impedance matching short-circuit line (4) is 7mm ~ 8mm, wide is 1mm ~ 1.2mm.
6. a kind of U-shaped multifrequency coplane mobile phone antenna according to claim 1, it is characterized in that the upper length of side of described left U-shaped minor matters (5) is 36mm ~ 37mm, upper hem width is 1mm ~ 1.2mm, the left side is long is 9mm ~ 10mm, the left side is wide is 1mm ~ 1.2mm, the lower length of side is 11mm ~ 12mm, and lower hem width is 1mm ~ 1.2mm; The left side of described right U-shaped minor matters (6) is long is 15mm ~ 16mm, and the left side is wide is 1mm ~ 1.2mm, and the lower length of side is 5mm ~ 6mm, and lower hem width is 1mm ~ 1.2mm, and the right is long is 15mm ~ 16mm, and the right is wide is 1mm ~ 1.2mm; The length on the long limit of described L shape minor matters (7) is 46mm ~ 47mm, and the wide of long limit is 1mm ~ 1.2mm, and the length of minor face is 4mm ~ 5mm, and the wide of minor face is 1mm ~ 1.2mm.
7. a kind of U-shaped multifrequency coplane mobile phone antenna according to claim 1, it is characterized in that the left side length of described L shape earth connection (8) is 9mm ~ 10mm, the left side is wide is 1mm ~ 1.2mm, and the lower length of side is 10mm ~ 11mm, and lower hem width is 1mm ~ 1.2mm; The length of described right rectangle earth connection (9) is 2mm ~ 3mm, and wide is 1mm ~ 1.2mm; The length of described middle rectangle earth connection (10) is 6mm ~ 7mm, and wide is 1mm ~ 1.2mm; The length of described left rectangle earth connection (11) is 5mm ~ 6mm, and wide is 1mm ~ 1.2mm.
8. a kind of U-shaped multifrequency coplane mobile phone antenna according to claim 1, the upper length of side that it is characterized in that described U-shaped coupling grounding line (12) is 22mm ~ 23mm, upper hem width is 0.5mm ~ 1mm, the right is long is 3mm ~ 3.5mm, the right is wide is 2mm ~ 2.5mm, the lower length of side is 10mm ~ 11mm, and lower hem width is 0.5mm ~ 1mm.
9. a kind of U-shaped multifrequency coplane mobile phone antenna according to claim 1, it is characterized in that the length of described little rectangle ground plate (13) is 10mm ~ 11mm, wide is 7mm ~ 8mm; The length of described large rectangle ground plate (14) is 100mm ~ 102mm, and wide is 60mm ~ 61mm.
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| CN201310549087.3A CN103594787B (en) | 2013-11-07 | 2013-11-07 | U-shaped multifrequency coplane mobile phone antenna |
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| CN201310549087.3A CN103594787B (en) | 2013-11-07 | 2013-11-07 | U-shaped multifrequency coplane mobile phone antenna |
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| CN103594787B true CN103594787B (en) | 2015-07-15 |
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| CN1979947B (en) * | 2005-11-30 | 2011-11-16 | 富士康(昆山)电脑接插件有限公司 | Single-pole antenna |
| CN101242025A (en) * | 2008-03-12 | 2008-08-13 | 惠州市硕贝德通讯科技有限公司 | An antenna device for dual-frequency mobile phone |
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Address after: Simen Town Guangming Road 315470 Zhejiang city in Shaoxing Province, Yuyao City, No. 126 Patentee after: CHINA JILIANG UNIVERSITY Address before: Simen Town Guangming Road 315470 Zhejiang city in Shaoxing Province, Yuyao City, No. 126 Patentee before: China Jiliang University |
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Application publication date: 20140219 Assignee: Hangzhou Hongyan Intelligent Technology Co., Ltd. Assignor: CHINA JILIANG UNIVERSITY Contract record no.: 2017330000110 Denomination of invention: U-shaped multifrequency coplane mobile phone antenna Granted publication date: 20150715 License type: Exclusive License Record date: 20170726 |
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