WO2013140770A1 - アンテナ装置およびこれを用いた無線端末装置 - Google Patents
アンテナ装置およびこれを用いた無線端末装置 Download PDFInfo
- Publication number
- WO2013140770A1 WO2013140770A1 PCT/JP2013/001767 JP2013001767W WO2013140770A1 WO 2013140770 A1 WO2013140770 A1 WO 2013140770A1 JP 2013001767 W JP2013001767 W JP 2013001767W WO 2013140770 A1 WO2013140770 A1 WO 2013140770A1
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- WIPO (PCT)
- Prior art keywords
- slot line
- antenna device
- antenna
- conductor plate
- conductor
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/2016—Slot line filters; Fin line filters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
Definitions
- the present invention relates to an antenna device having a plurality of antenna elements, and more particularly to an antenna device that reduces interference between antenna elements and saves space and size.
- An antenna Diversity that improves the signal transmission speed by receiving the same radio signal separately by multiple antenna elements as an antenna device and preferentially using the received signals from antenna elements with better radio conditions
- An antenna is known. Recently, as an antenna device, a plurality of antenna elements simultaneously transmit or receive a plurality of different radio signals within the same frequency band, thereby increasing the number of signal channels by the number of antenna elements and increasing the signal transmission speed.
- a MIMO (Multi-Input Multi-Output) antenna that has been improved in particular has been attracting attention.
- the distance between the antenna elements is set to the wavelength of the received electromagnetic wave due to the size of the device or terminal, the space restriction that can be used for the antenna element, and the like.
- the distance between the antenna elements is set to the wavelength of the received electromagnetic wave due to the size of the device or terminal, the space restriction that can be used for the antenna element, and the like.
- the portion corresponding to the region between the plurality of antenna elements has a length of 1 ⁇ 4 of the wavelength corresponding to the resonance frequency of the antenna element.
- the present invention has been made in view of the above-described problems, and an object of the present invention is to reduce the interference between the antenna elements, thereby maintaining a certain characteristic as an antenna element and saving space or reducing the size.
- An apparatus and a wireless terminal device using the same are provided.
- One aspect of the present invention for achieving the above object is that a conductor plate, at least two antenna elements arranged in the vicinity of the end portion of the conductor plate, and a characteristic impedance formed on the conductor plate have an arbitrary value Z1. And a second slot line having a characteristic impedance formed on the conductor plate and having an arbitrary value Z2 larger than Z1, and one end of the first slot line is an end portion of the conductor plate. Of the first slot line is connected to one end of the second slot line, and the other end of the second slot line is connected to the conductor.
- An antenna device characterized by being short-circuited inside the plate and a wireless terminal device using the antenna device.
- the total line length of the first slot line and the second slot line is shorter than when a slot line having a line length 1 ⁇ 4 of the wavelength corresponding to the resonance frequency of the antenna element is formed. Since interference between antenna elements can be reduced, it is possible to provide an antenna apparatus capable of saving space or reducing the size while maintaining certain characteristics as an antenna element, and a radio terminal apparatus using the antenna apparatus. .
- FIG. 1 is a side view showing the configuration of the antenna device according to the first embodiment of the present invention.
- FIG. 2 is a top view showing the configuration of the antenna device according to the first embodiment of the present invention.
- the antenna device 10 according to the first embodiment of the present invention includes a conductor plate 101 that contacts a ground plate and a dielectric substrate 110 that overlaps the conductor plate 101 in the thickness direction.
- it may be configured as a multilayer substrate having a further increased number of layers.
- FIG. 1 is a side view showing the configuration of the antenna device according to the first embodiment of the present invention.
- FIG. 2 is a top view showing the configuration of the antenna device according to the first embodiment of the present invention.
- the antenna device 10 according to the first embodiment of the present invention includes a conductor plate 101 that contacts a ground plate and a dielectric substrate 110 that overlaps the conductor plate 101 in the thickness direction.
- it may be configured as a multilayer substrate having a further increased number of layers.
- the antenna device 10 includes at least two antenna elements 102 and 103, and the antenna elements 102 and 103 are arranged in the vicinity of the end portions of the conductor plate 101, and are connected to the conductors through the feeding points 102a and 103a. A potential difference is given between the plate 101 and power is supplied.
- the antenna device 10 includes a first slot line 104, includes a second slot line 105, the width g 2 of the second slot line is wider than the width g 1 of the first slot line.
- One end of the first slot line 104 is an open end at the end of the conductor plate 101 belonging to the region between the antenna elements 102 and 103, and the other end of the first slot line 104 is the second end.
- the other end of the second slot line 105 is short-circuited inside the conductor plate 101.
- the antenna device 10 can be incorporated in a wireless terminal device such as a personal computer or a mobile phone.
- FIG. 3 is a perspective view illustrating a configuration of the wireless terminal device 60 on which the antenna device 10 is mounted.
- the wireless terminal device 60 includes a housing 201 on which various components such as buttons and displays are mounted, and the antenna device 10 is accommodated in the housing 201, and various electronic circuit components and the like are added. Has been implemented.
- the slot line described in Patent Document 1 is a conductor in which the line length of the slot line is approximately ⁇ / 4 with respect to the wavelength ⁇ of the electromagnetic wave corresponding to the resonance frequency of the antenna element, and one end is short-circuited inside the conductor plate.
- One end of the plate end is an open end to reduce interference between antenna elements.
- the first slot line 104 and the second slot line 105 have a stepped impedance structure, and the first slot line 104 and the first slot line viewed from the opening end of the conductor plate 101 end.
- the input impedance Z step of the 2-slot line 105 is
- Z slot1 and Z slot2 are the characteristic impedances of the first slot line 104 and the second slot line 105, respectively, l 1 and l 2 are the length of the first slot line l 1 and the length of the second slot line l 2, respectively. It is.
- ⁇ is a propagation constant of the electromagnetic wave propagating through the slot line, and is represented by the formula (2).
- Equation (4) Take a smaller value.
- the total line length l 1 + l 2 is smaller than ⁇ / 4, and the line length of the slot line Can be shortened.
- the S 21 parameter between the ports feeding the two antenna elements at the substrate end is set such that when there is no slot line, there is a slot line having a length of ⁇ / 4 of the wavelength ⁇ of the resonance frequency of the antenna element And the result of having performed the electromagnetic field simulation in each when there exists the slot line of embodiment of this invention is shown.
- each parameter at the time of electromagnetic field simulation is as follows. That is, the conductive plate 101 is copper, the dielectric constant of the dielectric substrate 110 is 2.2, the vertical length L of the conductive plate and the dielectric substrate is 204 mm, and the horizontal length W of the conductive plate and the dielectric substrate is 200 mm.
- the thickness d 1 of the conductor plate is 30 ⁇ m, and the thickness d 2 of the dielectric substrate is 1 mm.
- the antenna elements 102 and 103 use the inverted F-shaped antenna elements as shown in FIG. 2, and the resonance frequency is 2.4 GHz.
- the feeding points of the antenna elements are separated by 65 mm, and the slot line of ⁇ / 4 length and the slot line in the present embodiment are both arranged substantially at the center between the antenna elements.
- the width of the slot line is 0.5 mm for the ⁇ / 4 long slot line, and the width g 1 of the first slot line and the width g 2 of the second slot line of the present embodiment are 0.5 mm and 5 mm, respectively. .
- the length of the slot line is 26.25 mm for the ⁇ / 4 long slot line, and the length l 1 of the first slot line and the length l 2 of the second slot line in the present embodiment are both 7.35 mm. .
- the S 21 parameter in the slot line of ⁇ / 4 length and the slot line of the present embodiment is substantially equal at the resonance frequency of 2.4 GHz of the antenna element. Therefore, in the slot line according to the embodiment of the present invention, it is confirmed that the total line length of the slot line necessary for suppressing the coupling between the antenna elements can be shortened as compared with the slot line of ⁇ / 4 length. Is done.
- the effect of suppressing interference between antenna elements can be obtained when the total line length l 1 + l 2 of the first slot line 104 and the second slot line 105 is smaller than ⁇ / 4. Can do. Therefore, in the present embodiment, an antenna device capable of obtaining antenna characteristics with sufficiently reduced interference between antenna elements and achieving space saving or miniaturization, and a radio terminal using the antenna device An apparatus can be realized.
- FIG. 4 is a top view showing a modified antenna apparatus 10 ′ of the antenna apparatus according to the first embodiment of the present invention. Also in this case, if the lengths l 1 and l 2 that can be regarded as the line lengths of the first slot line 104 and the second slot line 105 substantially satisfy Expression (4), the interference suppression effect between the antenna elements is realized.
- the first slot line is compared with the case of forming a slot line having a line length of 1 ⁇ 4 of the wavelength corresponding to the resonance frequency of the antenna element. Since the interference between the antenna elements can be reduced when the total line length of the first slot line and the second slot line is shorter, it is possible to reduce the space or reduce the size while maintaining a certain characteristic as the antenna element.
- a device and a wireless terminal device using the device can be provided.
- FIG. 6 is a top view showing the structure of the antenna device 20 according to the second embodiment of the present invention.
- the antenna device 20 At least a part thereof is opposed to the point where the width g 1 of the first slot line and the width g 2 of the second slot line may be equal, and the vicinity of the opposing conductor plate forming the slot line 104.
- the conductor portion 301a and the conductor portion 301b that is at least partially opposed to each other are further different from the antenna device 10 according to the first embodiment, and other components are the same. .
- FIG. 7 is a perspective view of the conductor portions 301a and 301b from the dielectric substrate 110 side, and the dielectric substrate 110 is made transparent for simplicity.
- the conductor portions 301a and 301b are each composed of at least one conductor via 401a and 401b disposed in the dielectric substrate 110, are connected to the conductor plate 101, and face each other.
- the conductor portions 301a and 301b increase the area of the conductor portion opposite to the slot line only in the first slot line 104, so that the characteristic impedance Z slot1 of the first slot line 104 becomes the characteristic impedance Z of the second slot line 105. It is lower than slot2 . Therefore, the first slot line 104 and the second slot line 105 have a stepped impedance structure, and the left side of Expression (4) is smaller than 1, so that the same effect as in the first embodiment can be obtained.
- the total line length l 1 + l 2 of the slot line becomes the minimum value, or the first slot line 104 and the second slot line 105 are bent in the middle, and the conductors of all the slot lines Similar to the first embodiment, a structure similar to that of FIG. 5 is possible in which the length of the plate 101 dedicated to the inner direction is shortened.
- the conductor vias 401a and 401b are connected to the conductor vias at the end opposite to the end connected to the conductor plate 101.
- a structure in which conductor plates 402a and 402b that connect and face 401a and 401b are provided is possible.
- the conductor plate 101 is placed in the dielectric substrate 120 that is superimposed on the conductor plate 101 on the opposite side of the dielectric substrate 110 in the thickness direction.
- Conductor portions 403a and 403b are provided which are connected to each other, and the conductor plates 404a and 404b are connected to ends opposite to the ends connected to the conductor plate 101 of the conductor vias 403a and 403b, respectively.
- a structure in which the area of the opposing conductor between 301a and 301b is increased and the characteristic impedance Z slot1 of the first slot line 104 is further reduced is possible. By making Z slot1 smaller, the value on the left side of the equation (4) can be made smaller, whereby the total line length l 1 + l 2 can be made shorter.
- the first slot line is compared with the case of forming a slot line having a line length of 1 ⁇ 4 of the wavelength corresponding to the resonance frequency of the antenna element. Since the interference between the antenna elements can be reduced when the total line length of the first slot line and the second slot line is shorter, it is possible to reduce the space or reduce the size while maintaining a certain characteristic as the antenna element.
- a device and a wireless terminal device using the device can be provided.
- FIG. 10 is a side view showing the structure of the antenna device 30 according to the third embodiment of the present invention.
- FIG. 11 is a top view showing the structure of the antenna device 30 according to the third embodiment of the present invention.
- the antenna device 30 further includes at least one dielectric substrate 110 that overlaps the gap of the second slot line 105 and that the width g 1 of the first slot line may be equal to the width g 2 of the second slot line.
- the point that the above through hole 501 is formed is different from the antenna device 10 of the first embodiment, and the other components are the same.
- the through hole 501 which is a feature of the present embodiment will be described.
- the effective dielectric constant of the space between the opposing conductor portions of the second slot line 105 is reduced, and as a result, the characteristic impedance Z slot2 of the second slot line 105 is reduced in the first slot line 104. It becomes larger than the characteristic impedance Z slot1 . Therefore, the first slot line 104 and the second slot line 105 have a stepped impedance structure, and the left side of the equation (4) is smaller than 1, so that the same effect as in the first embodiment can be obtained.
- the total line length l 1 + l 2 of the slot line becomes the minimum value, or the first slot line 104 and the second slot line 105 are bent halfway so that all the slot lines are conductor plates. Similar to the first embodiment, a structure similar to that shown in FIG.
- the first slot line is compared with the case of forming a slot line having a line length of 1 ⁇ 4 of the wavelength corresponding to the resonance frequency of the antenna element. Since the interference between the antenna elements can be reduced when the total line length of the first slot line and the second slot line is shorter, it is possible to reduce the space or reduce the size while maintaining a certain characteristic as the antenna element.
- a device and a wireless terminal device using the device can be provided.
- FIG. 12 is a top view showing the configuration of the antenna device according to the fourth embodiment of the present invention.
- the antenna device 40 includes a width g 1 of the first slot line and a point may be equal width g 2 of the second slot line, out of the void area and the vicinity of the space of the slot line 104, the region excluding the conductive plate 101
- the difference from the antenna device 10 of the first embodiment is that at least a portion is filled with a dielectric portion 601 having a dielectric constant larger than that of the dielectric substrate 110.
- the components are similar.
- the dielectric portion 601 increases the capacitance between the end portions of the opposing conductor plate 101 constituting the first slot line 104. Therefore, the characteristic impedance Z slot1 of the first slot line 104 is smaller than the characteristic impedance Z slot2 of the second slot line 105. Therefore, the first slot line 104 and the second slot line 105 have a stepped impedance structure, and the left side of the equation (4) is smaller than 1, so that the same effect as in the first embodiment can be obtained.
- the total line length l 1 + l 2 of the slot line becomes the minimum value, or the first slot line 104 and the second slot line 105 are bent halfway so that all the slot lines are conductor plates. Similar to the first embodiment, a structure similar to that shown in FIG.
- the first slot line is compared with the case of forming a slot line having a line length of 1 ⁇ 4 of the wavelength corresponding to the resonance frequency of the antenna element. Since the interference between the antenna elements can be reduced when the total line length of the first slot line and the second slot line is shorter, it is possible to reduce the space or reduce the size while maintaining a certain characteristic as the antenna element.
- a device and a wireless terminal device using the device can be provided.
- FIG. 13 is a top view showing the configuration of the antenna device according to the fifth embodiment of the present invention.
- the antenna device 50 includes a width g 1 of the first slot line and a point may be equal width g 2 of the second slot line, out of the void area and the vicinity of the space of the slot line 105, the region excluding the conductive plate 101
- the difference from the antenna device 10 according to the first embodiment is that at least a part is filled with a magnetic part 701 having a magnetic permeability larger than that of the dielectric substrate 110.
- the components of are the same.
- the magnetic body portion 701 increases the series inductance of the second slot line 105 as a transmission line. Therefore, the characteristic impedance Z slot2 of the second slot line 105 is larger than the characteristic impedance Z slot1 of the first slot line 104. Therefore, the first slot line 104 and the second slot line 105 have a stepped impedance structure, and the left side of the equation (4) is smaller than 1, so that the same effect as in the first embodiment can be obtained.
- the total line length l 1 + l 2 of the slot line becomes the minimum value, or the first slot line 104 and the second slot line 105 are bent halfway so that all the slot lines are conductor plates. Similar to the first embodiment, a structure similar to that shown in FIG.
- the first slot line is compared with the case of forming a slot line having a line length of 1 ⁇ 4 of the wavelength corresponding to the resonance frequency of the antenna element. Since the interference between the antenna elements can be reduced when the total line length of the first slot line and the second slot line is shorter, it is possible to reduce the space or reduce the size while maintaining a certain characteristic as the antenna element.
- a device and a wireless terminal device using the device can be provided.
- the present invention relates to an antenna device having a plurality of antenna elements, and more particularly to an antenna device that reduces interference between antenna elements and saves space and size.
- Antenna device 60 Wireless terminal device 101 Conductor plate 102, 103 Antenna element 102a, 103a Feed point 104 First slot line 105 Second slot line 110, 120 Dielectric substrate 201 Housing 301a, 301b Conductor portion 401a, 401b, 403a, 403b Conductor via (included in 301a, 301b) 402a, 402b, 404a, 404b Conductor plate (included in 301a, 301b) 501 Through hole 601 Dielectric part 701 Magnetic part d 1 Thickness of conductive plate d 2 Thickness of dielectric substrate L Vertical length of conductive plate and dielectric substrate W Horizontal length of conductive plate and dielectric substrate l 1 length of the first slot line l 2 length of the second slot line g 1 width of the first slot line g 2 width of the second slot line
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Abstract
Description
(第1の実施の形態)
図1は、本発明の第1の実施の形態のアンテナ装置の構成を示す側面図である。また、図2は、本発明の第1の実施の形態のアンテナ装置の構成を示す上面図である。本発明の第1の実施の形態に係るアンテナ装置10は、図1のように、グランド板に当たる導体板101と、導体板101に厚み方向に重なる誘電体基板110を備える。ただし、層数をさらに増加させた多層基板状に構成されても構わない。そして、図2のように、アンテナ装置10は、少なくとも二つのアンテナ素子102、103を備え、アンテナ素子102、103はそれぞれ導体板101の端部近傍に配置されおり、給電点102a及び103aを通して導体板101との間に電位差を与えられ、給電される。
(第2の実施の形態)
図6は、本発明の第2の実施の形態のアンテナ装置20の構造を示す上面図である。アンテナ装置20は、第1スロットラインの幅g1と第2スロットラインの幅g2が等しくてもよい点と、スロットライン104を形成する対向する導体板端部近辺に、少なくとも一部が対向する導体部301a、及び、少なくとも一部が対向する導体部301bがさらに配置されている点とが、第1の実施の形態のアンテナ装置10と異なる点であり、他の構成要素は同様である。
(第3の実施の形態)
図10は、本発明の第3の実施の形態のアンテナ装置30の構造を示す側面図である。また、図11は、本発明の第3の実施の形態のアンテナ装置30の構造を示す上面図である。
アンテナ装置30は、第1スロットラインの幅g1と第2スロットラインの幅g2が等しくてもよい点と、第2スロットライン105の空隙部に重なる誘電体基板110に、さらに少なくとも一つ以上のスルーホール501が形成される点とが、第1の実施の形態のアンテナ装置10と異なる点であり、他の構成要素は同様である。
(第4の実施の形態)
図12は、本発明の第4の実施の形態のアンテナ装置の構成を示す上面図である。
アンテナ装置40は、第1スロットラインの幅g1と第2スロットラインの幅g2が等しくてもよい点と、スロットライン104の空隙部および近傍の空間のうち、導体板101を除く領域の少なくとも一部に、誘電体基板110の誘電率よりも大きい誘電率を有する誘電体部601が充填されている点とが、第1の実施の形態のアンテナ装置10と異なる点であり、他の構成要素は同様である。
(第5の実施の形態)
図13は、本発明の第5の実施の形態のアンテナ装置の構成を示す上面図である。アンテナ装置50は、第1スロットラインの幅g1と第2スロットラインの幅g2が等しくてもよい点と、スロットライン105の空隙部および近傍の空間のうち、導体板101を除く領域の少なくとも一部に、誘電体基板110の透磁率よりも大きい透磁率を有する磁性体部701が充填されている点とが、第1の実施の形態に係るアンテナ装置10と異なる点であり、他の構成要素は同様である。
60 無線端末装置
101 導体板
102、103 アンテナ素子
102a、103a 給電点
104 第1スロットライン
105 第2スロットライン
110、120 誘電体基板
201 筐体
301a、301b 導体部
401a、401b、403a、403b 導体ビア(301a、301bに含まれる)
402a、402b、404a、404b 導体板(301a、301bに含まれる)
501 スルーホール
601 誘電体部
701 磁性体部
d1 導体板の厚さ
d2 誘電体基板の厚さ
L 導体板及び誘電体基板の縦の長さ
W 導体板及び誘電体基板の横の長さ
l1 第1スロットラインの長さ
l2 第2スロットラインの長さ
g1 第1スロットラインの幅
g2 第2スロットラインの幅
Claims (10)
- 導体板と、前記導体板端部近傍に配置された少なくとも2つのアンテナ素子と、前記導体板に形成された特性インピーダンスが任意の値Z1である第1スロットラインと、前記導体板に形成された特性インピーダンスがZ1よりも大きい任意の値Z2である第2スロットラインとを具備し、前記第1スロットラインの一端が前記導体板端部のうち前記アンテナ素子の間の領域で開口端となっており、前記第1スロットラインの他の一端が前記第2スロットラインの一端に連結し、前記第2スロットラインの他の一端は前記導体板内部で短絡されていること、を特徴とするアンテナ装置。
- 前記第1スロットラインの幅よりも、前記第2スロットラインの幅の方が広いことを特徴とする、請求項1に記載のアンテナ装置。
- 前記第1スロットラインを形成する、対向する前記導体板端部近傍の領域A、Bそれぞれの近傍に、さらに少なくとも一部が対向する導体部A1、B1を有し、前記導体部A1、B1はそれぞれ前記導体板端部の領域A、Bに連結しており、前記導体部A1、B1同士は連結していないことを特徴とする、請求項1または2に記載のアンテナ装置。
- 前記第1スロットラインの空隙部に、さらに、前記第1スロットライン空隙部の実効的な誘電率よりも大きい誘電率を有する物質を、少なくとも一部充填することを特徴とする、請求項1から3のいずれか一項に記載のアンテナ装置。
- 前記第2スロットラインの空隙部及び前記導体板を除く近傍の空間に、さらに、前記第2スロットラインの空隙部の実効的な透磁率よりも大きい透磁率を有する物質を、少なくとも一部充填することを特徴とする、請求項1から4のいずれか一項に記載のアンテナ装置。
- 前記導体板が誘電体基板上に設けられたことを特徴とする、請求項1から5のいずれか一項に記載のアンテナ装置。
- 前記誘電体基板内の、前記第2スロットラインの空隙部に重なる部分に、スルーホールを少なくとも一つ備えることを特徴とする、請求項1から6のいずれか一項に記載のアンテナ装置。
- 前記第1、第2スロットラインのうち、少なくとも一部が、折れ曲がった形状であることを特徴とする、請求項1から7のいずれか一項に記載のアンテナ装置。
- 前記第1スロットラインと、第2スロットラインとが、略同一とみなせる長さを持つことを特徴とする、請求項1から8のいずれか一項に記載のアンテナ装置。
- 請求項1から9のいずれか一項に記載のアンテナ装置を備える無線端末装置。
Priority Applications (2)
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EP13765079.2A EP2830154A4 (en) | 2012-03-22 | 2013-03-15 | ANTENNA DEVICE AND WIRELESS DEVICE THEREWITH |
US14/375,179 US20150002367A1 (en) | 2012-03-22 | 2013-03-15 | Antenna device and wireless terminal device using the same |
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JP2012064789 | 2012-03-22 | ||
JP2012-064789 | 2012-03-22 |
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US (1) | US20150002367A1 (ja) |
EP (1) | EP2830154A4 (ja) |
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JP2018152694A (ja) * | 2017-03-13 | 2018-09-27 | 株式会社パナソニックシステムネットワークス開発研究所 | アンテナ装置及びアンテナ装置を備えた電子機器 |
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US10505269B2 (en) * | 2013-04-28 | 2019-12-10 | The Board Of Trustees Of The University Of Alabama For And On Behalf Of The University Of Alabama | Magnetic antenna structures |
JP5941504B2 (ja) * | 2014-07-23 | 2016-06-29 | レノボ・シンガポール・プライベート・リミテッド | 電子機器のアンテナ・システムおよびアイソレーションを強化する方法 |
US9799953B2 (en) * | 2015-03-26 | 2017-10-24 | Microsoft Technology Licensing, Llc | Antenna isolation |
US10431891B2 (en) | 2015-12-24 | 2019-10-01 | Intel IP Corporation | Antenna arrangement |
US10615486B2 (en) * | 2017-06-28 | 2020-04-07 | Intel IP Corporation | Antenna system |
US11276925B2 (en) * | 2018-01-31 | 2022-03-15 | Dell Products, Lp | System and method for establishing and operating plural antenna systems in proximity |
KR102608773B1 (ko) * | 2019-02-14 | 2023-12-04 | 삼성전자주식회사 | 안테나 모듈 및 이를 포함하는 전자 장치 |
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- 2013-03-15 WO PCT/JP2013/001767 patent/WO2013140770A1/ja active Application Filing
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EP2830154A4 (en) | 2015-11-11 |
JPWO2013140770A1 (ja) | 2015-08-03 |
EP2830154A1 (en) | 2015-01-28 |
US20150002367A1 (en) | 2015-01-01 |
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