JPH0750516A - Antenna - Google Patents
AntennaInfo
- Publication number
- JPH0750516A JPH0750516A JP19112093A JP19112093A JPH0750516A JP H0750516 A JPH0750516 A JP H0750516A JP 19112093 A JP19112093 A JP 19112093A JP 19112093 A JP19112093 A JP 19112093A JP H0750516 A JPH0750516 A JP H0750516A
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- JP
- Japan
- Prior art keywords
- radiation electrode
- dielectric substrate
- metal plate
- antenna
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Details Of Aerials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、アンテナに関し、特
にたとえば、ＧＰＳ(Global Positioning System) 等に
用いられ、誘電体基板の一方面に誘電体基板側から順に
第１および第２の放射電極が積層して形成され他方面に
アース電極が形成されかつ前記第１および第２の放射電
極が電気的に接続された、アンテナに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antenna, and in particular, it is used in, for example, GPS (Global Positioning System) and the like. The present invention relates to an antenna, which is formed by stacking and has a ground electrode formed on the other surface and electrically connected to the first and second radiation electrodes.
【０００２】[0002]
【従来の技術】従来のアンテナとしては、平成３年８月
２２日に出願公開された特開平３−１９２８０４号があ
る。これは、アンテナを小型化および軽量化するため
に、マイクロストリップアンテナまたは板状逆Ｆアンテ
ナの放射素子と地板との間に設けられた誘電体のうち放
射素子周辺部分と地板との間に存在する誘電体の誘電率
を、他の誘電体の誘電率よりも高くしたものである。2. Description of the Related Art As a conventional antenna, there is JP-A-3-192804 filed and published on August 22, 1991. This is between the radiating element peripheral portion and the ground plane of the dielectric provided between the radiating element of the microstrip antenna or the plate-shaped inverted F antenna and the ground plane in order to reduce the size and weight of the antenna. The permittivity of the dielectric is higher than that of other dielectrics.
【０００３】[0003]
【発明が解決しようとする課題】しかし、このような従
来のアンテナでは、誘電率の低い方の誘電体が空気の場
合、放射電極をスクリーン印刷などで形成することはで
きず、金属板などを誘電体に貼付する必要がある。この
ため、貼付する位置によってアンテナの共振周波数，入
力インピーダンスなどが変化するという問題が生じる。
一方、このような問題が生じないように作業すると、作
業時間が長くなる。However, in such a conventional antenna, when the dielectric having a lower dielectric constant is air, the radiation electrode cannot be formed by screen printing, and a metal plate or the like cannot be formed. Must be attached to the dielectric. Therefore, there arises a problem that the resonance frequency, the input impedance, etc. of the antenna change depending on the position where the antenna is attached.
On the other hand, if the work is performed without causing such a problem, the work time becomes long.
【０００４】それゆえに、この発明の主たる目的は、容
易に共振周波数または入力インピーダンスを安定させる
ことができる、アンテナを提供することである。Therefore, a main object of the present invention is to provide an antenna which can easily stabilize the resonance frequency or the input impedance.
【０００５】[0005]
【課題を解決するための手段】この発明は、誘電体基
板、誘電体基板の一方面に形成された第１の放射電極、
第１の放射電極の一部を残して第１の放射電極上に積層
された板状の第２の放射電極、および誘電体基板の他方
面に形成されたアース電極を備える、アンテナである。The present invention provides a dielectric substrate, a first radiation electrode formed on one surface of the dielectric substrate,
The antenna is provided with a plate-shaped second radiation electrode laminated on the first radiation electrode while leaving a part of the first radiation electrode, and a ground electrode formed on the other surface of the dielectric substrate.
【０００６】[0006]
【作用】たとえばドーナツ状に形成された誘電体基板の
一方面に、たとえばリング状の第１の放射電極がスクリ
ーン印刷などによって形成され、この放射電極の外径よ
りも径が小さい第２の放射電極としてのたとえば金属板
が、第１の放射電極の外側にはみ出さないように、誘電
体基板の表面に装着される。For example, a ring-shaped first radiation electrode is formed by screen printing on one surface of a dielectric substrate formed in a donut shape, for example, and a second radiation whose diameter is smaller than the outer diameter of this radiation electrode is formed. For example, a metal plate as an electrode is mounted on the surface of the dielectric substrate so as not to protrude outside the first radiation electrode.
【０００７】なお、ドーナツ状の誘電体基板の内径と係
合する係合片が金属板に形成されている場合には、誘電
体基板の中心と金属板の中心とが一致するように金属板
が装着される。また、誘電体基板の一方面にたとえば２
つの凹部を第３の係合部として形成し、金属板にその凹
部に係合するたとえば２つの凸部を第４の係合部として
形成すれば、金属板が誘電体基板の所定の位置に正確に
装着される。When the engaging piece that engages with the inner diameter of the doughnut-shaped dielectric substrate is formed on the metal plate, the metal plate is placed so that the center of the dielectric substrate coincides with the center of the metal plate. Is installed. Also, for example, 2
If one concave portion is formed as the third engaging portion and two convex portions that engage with the concave portion are formed on the metal plate as the fourth engaging portion, the metal plate is placed at a predetermined position on the dielectric substrate. It is installed correctly.
【０００８】[0008]
【発明の効果】この発明によれば、第２の放射電極と誘
電体基板との間に第１の放射電極が形成されているの
で、アンテナの共振周波数を安定させることができる。
また、第１および第２の係合部を形成すれば、金属板を
容易に誘電体基板に装着でき、かつアンテナの共振周波
数を安定させることができる。さらに、第３および第４
の係合部によって第２の放射電極を所定の位置に装着す
るようにすれば、アンテナの入力インピーダンスを安定
させることができる。According to the present invention, since the first radiation electrode is formed between the second radiation electrode and the dielectric substrate, the resonance frequency of the antenna can be stabilized.
Further, by forming the first and second engaging portions, the metal plate can be easily attached to the dielectric substrate and the resonance frequency of the antenna can be stabilized. Furthermore, the third and fourth
If the second radiating electrode is mounted at a predetermined position by means of the engaging portion, the input impedance of the antenna can be stabilized.
【０００９】この発明の上述の目的，その他の目的，特
徴および利点は、図面を参照して行う以下の実施例の詳
細な説明から一層明らかとなろう。The above-mentioned objects, other objects, features and advantages of the present invention will become more apparent from the following detailed description of the embodiments with reference to the drawings.
【００１０】[0010]
【実施例】図１〜図６を参照して第１の実施例のアンテ
ナ１０は、ドーナツ状に形成された誘電体基板１２を含
む。図１および図２からわかるように、誘電体基板１２
の一方主面に、リング状の放射電極１４が形成され、他
方主面にはアース電極１６が形成される。1 to 6, the antenna 10 of the first embodiment includes a dielectric substrate 12 formed in a donut shape. As can be seen from FIGS. 1 and 2, the dielectric substrate 12
A ring-shaped radiation electrode 14 is formed on one main surface, and a ground electrode 16 is formed on the other main surface.
【００１１】アンテナ１０はまた、図３および図４に示
すように放射電極として機能する金属板１８を含み、こ
の主面の一部がＵ字状に打ち抜かれかつ他方主面側に折
り曲げられることによって折り曲げ片２０が形成され
る。そして、図５および図６に示すように、誘電体基板
１２に金属板１８が装着され、金属板１８の周縁部と放
射電極１４とが、たとえばはんだペーストをリフローす
ることによって固着される。なお、金属板１８の径は放
射電極１４の外径よりも小さく、金属板１８は周縁部が
放射電極１４の外径よりはみ出さないように誘電体基板
１２に装着される。また、給電点すなわち折り曲げ片２
０にリード線２２が接続される。The antenna 10 also includes a metal plate 18 which functions as a radiation electrode as shown in FIGS. 3 and 4, and a part of its main surface is punched out in a U shape and bent to the other main surface side. The bent piece 20 is thus formed. Then, as shown in FIGS. 5 and 6, the metal plate 18 is mounted on the dielectric substrate 12, and the peripheral edge of the metal plate 18 and the radiation electrode 14 are fixed by, for example, reflowing a solder paste. The diameter of the metal plate 18 is smaller than the outer diameter of the radiation electrode 14, and the metal plate 18 is mounted on the dielectric substrate 12 so that the peripheral edge portion does not protrude beyond the outer diameter of the radiation electrode 14. In addition, the feeding point, that is, the bending piece 2
Lead wire 22 is connected to 0.
【００１２】これより、金属板１８の装着位置が多少ず
れても放射電極全体としての外径は変化しないので、ア
ンテナ１０の共振周波数を安定させることができる。図
７〜図１０を参照して、第２の実施例のアンテナ１０
は、図１および図２に示す誘電体基板１２を含む。ま
た、図７および図８に示す金属板２４は、図３および図
４に示す金属板１８の他方主面に２つの係合片２６を形
成したものである。この金属板２４は、図９および図１
０からわかるように、係合片２６が誘電体基板１２の内
径と係合するように、誘電体基板１２に装着される。ま
た、折り曲げ片２０にリード線２２が接続される。これ
より、第１の実施例のアンテナ１０よりも容易に金属板
２４を装着でき、かつ共振周波数を安定させることがで
きる。As a result, even if the mounting position of the metal plate 18 is slightly displaced, the outer diameter of the entire radiation electrode does not change, so that the resonance frequency of the antenna 10 can be stabilized. 7 to 10, the antenna 10 according to the second embodiment is shown.
Includes the dielectric substrate 12 shown in FIGS. The metal plate 24 shown in FIGS. 7 and 8 is formed by forming two engaging pieces 26 on the other main surface of the metal plate 18 shown in FIGS. 3 and 4. This metal plate 24 is shown in FIG. 9 and FIG.
As can be seen from 0, the engagement piece 26 is mounted on the dielectric substrate 12 so as to engage with the inner diameter of the dielectric substrate 12. Further, the lead wire 22 is connected to the bent piece 20. As a result, the metal plate 24 can be mounted more easily than the antenna 10 of the first embodiment, and the resonance frequency can be stabilized.
【００１３】ただし、第１および第２の実施例のアンテ
ナ１０では、共振周波数は安定するが、放射電極１４の
パターンによって決定される所定の位置に給電点を配置
することは困難であり、このためインピーダンス特性な
どが変化するという問題が残る。したがって、以下で説
明する第３〜第５の実施例のアンテナ１０が考えられ
る。However, in the antennas 10 of the first and second embodiments, although the resonance frequency is stable, it is difficult to dispose the feeding point at a predetermined position determined by the pattern of the radiation electrode 14. Therefore, there remains a problem that impedance characteristics change. Therefore, the antennas 10 of the third to fifth embodiments described below are conceivable.
【００１４】図１１〜図１６に示す第３の実施例のアン
テナ１０は、ドーナツ状に形成された誘電体基板２８を
含む。図１１および図１２からわかるように、誘電体基
板２８の一方主面に、放射電極３０が形成され、また、
この誘電体基板２８の一方主面上の放射電極３０の内側
には、互いに１８０度の角度をおいて２箇所に凹部３２
が形成される。さらに、誘電体基板２８の他方主面には
アース電極３４が形成される。The antenna 10 of the third embodiment shown in FIGS. 11 to 16 includes a dielectric substrate 28 formed in a donut shape. As can be seen from FIGS. 11 and 12, the radiation electrode 30 is formed on one main surface of the dielectric substrate 28, and
Inside the radiation electrode 30 on one main surface of the dielectric substrate 28, two recesses 32 are formed at an angle of 180 degrees with respect to each other.
Is formed. Further, a ground electrode 34 is formed on the other main surface of the dielectric substrate 28.
【００１５】アンテナ１０はまた、図１３および図１４
に示す金属板３６を含み、この金属板３６の他方主面上
に、凹部３２と係合する係合片３８が形成される。ま
た、金属板３６の主面の一部がＵ字状に打ち抜かれるこ
とによって、この部分に、他方主面側に垂直に折り曲げ
られた折り曲げ片４０が形成される。そして、図１５お
よび図１６に示すように、凹部３２に係合片３８がそれ
ぞれ係合するように誘電体基板２８に金属板３６が装着
され、金属板３６の周縁部と放射電極３０とが、たとえ
ばはんだペーストをリフローすることによって固着され
る。また、給電点すなわち折り曲げ片４０にリード線４
２が接続される。Antenna 10 is also shown in FIGS.
The metal plate 36 shown in FIG. 2 is included, and an engaging piece 38 that engages with the recess 32 is formed on the other main surface of the metal plate 36. Further, a part of the main surface of the metal plate 36 is punched out in a U-shape, so that a bending piece 40 that is bent perpendicularly to the other main surface side is formed in this part. Then, as shown in FIGS. 15 and 16, the metal plate 36 is attached to the dielectric substrate 28 so that the engaging pieces 38 are respectively engaged with the recesses 32, and the peripheral edge of the metal plate 36 and the radiation electrode 30 are separated from each other. , For example, by reflowing the solder paste. Further, the lead wire 4 is attached to the feeding point, that is, the bending piece 40.
2 are connected.
【００１６】図１７〜図２２に示す第４の実施例のアン
テナ１０も誘電体基板４４を含む。図１７および図１８
からわかるように、この誘電体基板４４は円板状に形成
され、その一方主面上の周縁近傍に放射電極４６が形成
される。また、誘電体基板４４の一方主面上に、放射電
極４６と周縁との間に、互いに１８０度の角度を隔てて
２つの凹部４８が形成される。また、誘電体基板４４に
は、放射電極４６の内側であって凹部４８を結んだ直線
上に、一方主面から他方主面にまで貫通する孔５０が形
成される。さらに、誘電体基板４４の他方主面にアース
電極５２が形成される。なお、孔５０はアース電極５２
も貫通する。The antenna 10 of the fourth embodiment shown in FIGS. 17 to 22 also includes a dielectric substrate 44. 17 and 18
As can be seen from the above, the dielectric substrate 44 is formed in a disk shape, and the radiation electrode 46 is formed in the vicinity of the peripheral edge on the one main surface thereof. Further, on the one main surface of the dielectric substrate 44, two recesses 48 are formed between the radiation electrode 46 and the peripheral edge at an angle of 180 degrees. Further, in the dielectric substrate 44, a hole 50 penetrating from one main surface to the other main surface is formed on the straight line connecting the recesses 48 inside the radiation electrode 46. Further, the ground electrode 52 is formed on the other main surface of the dielectric substrate 44. The hole 50 is the ground electrode 52.
Also penetrates.
【００１７】また、この実施例のアンテナ１０の金属板
５４には、図１９および図２０からわかるように、その
周縁に、誘電体基板４４の凹部４８に係合するように他
方主面に突出した２つの係合片５６が形成される。ま
た、金属板５４の一部がＵ字状に切り欠かれ、孔５８が
形成される。そして、図２１および図２２に示すよう
に、凹部４８に係合片５６がそれぞれ係合するように誘
電体基板４４に金属板５４が装着され、金属板５４の周
縁部と放射電極４６とが、たとえばはんだペーストによ
って固着される。また、図２２に示すように、誘電体基
板４４のアース電極５２側にコネクタ６０が取り付けら
れ、その導体６２が孔５８を通して金属板５４の給電点
に接続される。これによって、金属板５４に電流が供給
される。Further, as can be seen from FIGS. 19 and 20, the metal plate 54 of the antenna 10 of this embodiment has a peripheral edge protruding to the other main surface so as to engage with the recess 48 of the dielectric substrate 44. The two engaging pieces 56 are formed. In addition, a part of the metal plate 54 is cut out in a U shape to form a hole 58. Then, as shown in FIGS. 21 and 22, the metal plate 54 is mounted on the dielectric substrate 44 such that the engaging pieces 56 engage with the recesses 48, respectively, and the peripheral edge of the metal plate 54 and the radiation electrode 46 are separated from each other. , For example, by solder paste. Further, as shown in FIG. 22, the connector 60 is attached to the side of the ground electrode 52 of the dielectric substrate 44, and the conductor 62 thereof is connected to the feeding point of the metal plate 54 through the hole 58. As a result, electric current is supplied to the metal plate 54.
【００１８】図２３〜図２８に示す第５の実施例のアン
テナ１０もまた誘電体基板６４および金属板６６を含
む。図２３および図２４からわかるように、誘電体基板
６４は円板状に形成され、その一方主面上の周縁付近
に、放射電極６８が薄く形成される。また、誘電体基板
６４の一方主面上に、放射電極６８の外側から誘電体基
板６４の周縁にかけて、凹部７０が１つ形成される。さ
らに、一方主面の中心に、他方主面にまで貫通しない孔
７２が形成され、凹部７０と孔７２とを結ぶ線の延長上
に、一方主面から他方主面にまで貫通する孔７４が形成
される。さらにまた、誘電体基板６４の他方主面に、一
面にアース電極７６が形成される。なお、孔７４はアー
ス電極７６も貫通する。The antenna 10 of the fifth embodiment shown in FIGS. 23 to 28 also includes a dielectric substrate 64 and a metal plate 66. As can be seen from FIGS. 23 and 24, the dielectric substrate 64 is formed in a disk shape, and the radiation electrode 68 is thinly formed in the vicinity of the peripheral edge on the one main surface thereof. In addition, one concave portion 70 is formed on the one main surface of the dielectric substrate 64 from the outside of the radiation electrode 68 to the peripheral edge of the dielectric substrate 64. Further, a hole 72 that does not penetrate to the other main surface is formed at the center of the one main surface, and a hole 74 that penetrates from the one main surface to the other main surface is formed on the extension of the line connecting the recess 70 and the hole 72. It is formed. Furthermore, the ground electrode 76 is formed on one surface of the other main surface of the dielectric substrate 64. The hole 74 also penetrates the ground electrode 76.
【００１９】図２５および図２６からわかるように、金
属板６６の他方主面には、凹部７０および孔７２のそれ
ぞれと係合するように係合片７８および８０が形成さ
れ、また、金属板６６の一部がＵ字状に切り欠かれ、孔
８２が形成される。図２７および図２８からわかるよう
に、誘電体基板６４の凹部７０および孔７２のそれぞれ
に、金属板６６の係合片７８および８０が係合すること
によって、金属板６６が誘電体基板６４に装着され、金
属板６６の周縁部と放射電極６８とが、たとえばはんだ
ペーストによって固着される。さらに、アース電極７６
の表面にコネクタ８４が取り付けられ、その導体８６が
孔８２を通して金属板６６の給電点に接続される。これ
によって電流が金属板６６に供給される。As can be seen from FIGS. 25 and 26, engaging pieces 78 and 80 are formed on the other main surface of the metal plate 66 so as to engage with the recesses 70 and the holes 72, respectively. A part of 66 is cut out in a U shape, and a hole 82 is formed. As can be seen from FIGS. 27 and 28, by engaging the engaging pieces 78 and 80 of the metal plate 66 with the recesses 70 and the holes 72 of the dielectric substrate 64, respectively, the metal plate 66 is attached to the dielectric substrate 64. The metal plate 66 is mounted, and the peripheral portion of the metal plate 66 and the radiation electrode 68 are fixed by, for example, solder paste. Furthermore, the ground electrode 76
A connector 84 is attached to the surface of the metal plate 66, and its conductor 86 is connected to the feeding point of the metal plate 66 through the hole 82. As a result, electric current is supplied to the metal plate 66.
【００２０】これら第３〜第５の実施例においては、金
属板が誘電体基板に形成された凹部あるいは孔と係合す
るので、放射電極の周縁から誘電体基板の周縁までの距
離が一様になり、かつ給電点も所定の位置に定まる。し
たがって、インピーダンス特性など電気的特性を安定さ
せることができる。なお、この実施例ではストリップラ
インアンテナを用いて説明したが、本発明は逆Ｆアンテ
ナにも適用できることはもちろんである。In the third to fifth embodiments, since the metal plate engages with the recess or hole formed in the dielectric substrate, the distance from the peripheral edge of the radiation electrode to the peripheral edge of the dielectric substrate is uniform. And the feeding point is also set at a predetermined position. Therefore, electrical characteristics such as impedance characteristics can be stabilized. Although the stripline antenna is used in this embodiment, the present invention can be applied to an inverted F antenna.
【図１】誘電体基板を示す外観図である。FIG. 1 is an external view showing a dielectric substrate.
【図２】図１に示す誘電体基板のII−II線断面図であ
る。2 is a sectional view taken along line II-II of the dielectric substrate shown in FIG.
【図３】金属板を示す外観図である。FIG. 3 is an external view showing a metal plate.
【図４】図３に示す金属板のIV−IV線断面図である。FIG. 4 is a cross-sectional view taken along the line IV-IV of the metal plate shown in FIG.
【図５】この発明の第１の実施例を示す外観図である。FIG. 5 is an external view showing the first embodiment of the present invention.
【図６】図５に示す実施例のVI−VI線断面図である。6 is a sectional view taken along line VI-VI of the embodiment shown in FIG.
【図７】金属板を示す外観図である。FIG. 7 is an external view showing a metal plate.
【図８】図７に示す金属板のVIII−VIII線断面図であ
る。8 is a sectional view of the metal plate shown in FIG. 7 taken along the line VIII-VIII.
【図９】この発明の第２の実施例を示す外観図である。FIG. 9 is an external view showing a second embodiment of the present invention.
【図１０】図９に示す実施例のＸ−Ｘ線断面図である。10 is a cross-sectional view taken along line XX of the embodiment shown in FIG.
【図１１】誘電体基板を示す外観図である。FIG. 11 is an external view showing a dielectric substrate.
【図１２】図１１に示す誘電体基板のXII-XII 線断面図
である。12 is a sectional view taken along line XII-XII of the dielectric substrate shown in FIG.
【図１３】金属板を示す外観図である。FIG. 13 is an external view showing a metal plate.
【図１４】図１３に示す金属板のXIV-XIV 線断面図であ
る。14 is a sectional view taken along line XIV-XIV of the metal plate shown in FIG.
【図１５】この発明の第３の実施例を示す外観図であ
る。FIG. 15 is an external view showing a third embodiment of the present invention.
【図１６】図１５に示す実施例のXVI-XVI 線断面図であ
る。16 is a sectional view taken along line XVI-XVI of the embodiment shown in FIG.
【図１７】誘電体基板を示す外観図である。FIG. 17 is an external view showing a dielectric substrate.
【図１８】図１７のXVIII-XVIII 線断面図である。18 is a sectional view taken along line XVIII-XVIII in FIG.
【図１９】金属板を示す外観図である。FIG. 19 is an external view showing a metal plate.
【図２０】図１９のXX−XX線断面図である。20 is a sectional view taken along line XX-XX of FIG.
【図２１】この発明の第４の実施例を示す外観図であ
る。FIG. 21 is an external view showing a fourth embodiment of the present invention.
【図２２】図２１のXXII−XXII線断面図である。22 is a sectional view taken along line XXII-XXII of FIG.
【図２３】誘電体基板を示す外観図である。FIG. 23 is an external view showing a dielectric substrate.
【図２４】図２３のXXIV−XXIV線断面図である。24 is a sectional view taken along line XXIV-XXIV of FIG.
【図２５】金属板を示す外観図である。FIG. 25 is an external view showing a metal plate.
【図２６】図２５のXXVI−XXVI線断面図である。FIG. 26 is a sectional view taken along line XXVI-XXVI of FIG. 25.
【図２７】この発明の第５の実施例を示す外観図であ
る。FIG. 27 is an external view showing a fifth embodiment of the present invention.
【図２８】図２７のXXVIII−XXVIII線断面図である。28 is a sectional view taken along line XXVIII-XXVIII in FIG. 27.
１０ …アンテナ １２，２８，４４，６４ …誘電体基板 １４，３０，４６，６８ …放射電極 ３２，４８，７０ …凹部 １６，３４，５２，７６ …アース電極 ５０，５８，７２，７４，８２ …孔 ２６，３８，５６，７８，８０ …係合片 10 ... Antenna 12, 28, 44, 64 ... Dielectric substrate 14, 30, 46, 68 ... Radiation electrode 32, 48, 70 ... Recessed portion 16, 34, 52, 76 ... Ground electrode 50, 58, 72, 74, 82 ... Holes 26, 38, 56, 78, 80 ... Engaging pieces
Claims (3)
上に積層された板状の第２の放射電極、および前記誘電
体基板の他方面に形成されたアース電極を備える、アン
テナ。1. A dielectric substrate, a first radiation electrode formed on one surface of the dielectric substrate, and a plate laminated on the first radiation electrode while leaving a part of the first radiation electrode. An antenna having a second radiation electrode having a shape of a circle, and a ground electrode formed on the other surface of the dielectric substrate.
極の中心とが一致するように前記誘電体基板に第１の係
合部を形成し前記第２の放射電極に前記第１の係合部と
係合する第２の係合部を形成した、請求項１記載のアン
テナ。2. A first engaging portion is formed on the dielectric substrate such that the center of the dielectric substrate and the center of the second radiation electrode are aligned with each other, and the first engagement portion is formed on the second radiation electrode. The antenna according to claim 1, wherein a second engaging portion that engages with the engaging portion is formed.
係合部を形成し、前記第２の放射電極に前記第３の係合
部に係合する少なくとも２つの第４の係合部を形成し
た、請求項１または２記載のアンテナ。3. At least two third engaging portions formed on the dielectric substrate, and at least two fourth engaging portions engaging the third engaging portion on the second radiation electrode. The antenna according to claim 1, wherein the antenna is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19112093A JP3326889B2 (en) | 1993-06-03 | 1993-08-02 | antenna |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13319593 | 1993-06-03 | ||
| JP5-133195 | 1993-06-03 | ||
| JP19112093A JP3326889B2 (en) | 1993-06-03 | 1993-08-02 | antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0750516A true JPH0750516A (en) | 1995-02-21 |
| JP3326889B2 JP3326889B2 (en) | 2002-09-24 |
Family
ID=26467609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19112093A Expired - Fee Related JP3326889B2 (en) | 1993-06-03 | 1993-08-02 | antenna |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3326889B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003058757A1 (en) * | 2001-12-28 | 2003-07-17 | Matsushita Electric Industrial Co., Ltd. | Antenna apparatus |
| KR100581712B1 (en) * | 2004-03-12 | 2006-05-22 | 인탑스 주식회사 | Internal Ring Antenna for Mobile Handsets |
| JP2010016855A (en) * | 2003-06-26 | 2010-01-21 | Andrew Corp | Antenna element, antenna element manufacturing method, communication system, antenna, antenna feed probe, microstrip antenna, dielectric spacer, and dual polarized antenna element |
-
1993
- 1993-08-02 JP JP19112093A patent/JP3326889B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003058757A1 (en) * | 2001-12-28 | 2003-07-17 | Matsushita Electric Industrial Co., Ltd. | Antenna apparatus |
| US6850194B2 (en) | 2001-12-28 | 2005-02-01 | Matsushita Electric Industrial Co., Ltd. | Antenna unit |
| CN100399628C (en) * | 2001-12-28 | 2008-07-02 | 松下电器产业株式会社 | Antenna appts. |
| JP2010016855A (en) * | 2003-06-26 | 2010-01-21 | Andrew Corp | Antenna element, antenna element manufacturing method, communication system, antenna, antenna feed probe, microstrip antenna, dielectric spacer, and dual polarized antenna element |
| KR100581712B1 (en) * | 2004-03-12 | 2006-05-22 | 인탑스 주식회사 | Internal Ring Antenna for Mobile Handsets |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3326889B2 (en) | 2002-09-24 |
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