JPH02104006A - Planar antenna - Google Patents
Planar antennaInfo
- Publication number
- JPH02104006A JPH02104006A JP16566589A JP16566589A JPH02104006A JP H02104006 A JPH02104006 A JP H02104006A JP 16566589 A JP16566589 A JP 16566589A JP 16566589 A JP16566589 A JP 16566589A JP H02104006 A JPH02104006 A JP H02104006A
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- power supply
- planar antenna
- radiation
- plate
- 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.)
- Granted
Links
- 230000005855 radiation Effects 0.000 claims abstract description 28
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000006260 foam Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims 1
- 229920002223 polystyrene Polymers 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract 2
- 238000010030 laminating Methods 0.000 abstract 1
- 238000003475 lamination Methods 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 12
- 230000003014 reinforcing effect Effects 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、静止衛星からの電波を受信する平面アンテナ
に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a planar antenna that receives radio waves from a geostationary satellite.
［従来の技術］
従来、静止衛星（放送衛星、通信衛星）からの電波を受
信するこの種の平面アンテナとしては、プリント基板の
表面にクランク状に屈曲されたストリップラインや、パ
ッチ素子を形成し、プリント基板の裏面に地導体を形成
したものがあった。[Prior Art] Conventionally, this type of flat antenna that receives radio waves from geostationary satellites (broadcasting satellites, communication satellites) has been constructed by forming crank-shaped strip lines or patch elements on the surface of a printed circuit board. There was one in which a ground conductor was formed on the back side of the printed circuit board.
［発明が解決しようとする課題］
しかしながら、このような従来例にあっては、プリント
基板としてフッ素樹脂製の高価なものを用いる必要があ
る上、給電損失が大きくなってアンテナ効率が低くなる
という問題があった。そこで、第４図に示すように、絶
縁フィルム２ａ上に給電回路パターン２が形成された給
電回路板３と、絶縁フィルム４ａ上にパッチ素子、環状
スロットなどの放射素子をマトリクス状に形成された放
射回路パターン４を形成した放射回路板５とを用い、地
導体板１と、給電回路板３と、放射回路板５とを空気層
６ ｍ’ 、 ６ ｂ’を介して積層して平面アンテナ
を構成することにより、安価でアンテナ効率を高くした
トリプレート型の平面アンテナが考えられるが、パター
ンが形成された絶縁フィルム２ａ。[Problems to be solved by the invention] However, in such a conventional example, it is necessary to use an expensive printed circuit board made of fluororesin, and the feeding loss increases, resulting in low antenna efficiency. There was a problem. Therefore, as shown in FIG. 4, a power supply circuit board 3 is provided with a power supply circuit pattern 2 formed on an insulating film 2a, and radiating elements such as patch elements and annular slots are formed in a matrix on an insulating film 4a. Using a radiation circuit board 5 on which a radiation circuit pattern 4 is formed, a ground conductor board 1, a feeding circuit board 3, and a radiation circuit board 5 are stacked with air spaces 6 m' and 6 b' interposed to form a planar antenna. By configuring the insulating film 2a on which a pattern is formed, a tri-plate type planar antenna that is inexpensive and has high antenna efficiency can be considered.
３ａを用いて給電回路板３および放射回路板５を形成し
た場合、給電回路板３および放射回路板５の機械的強度
を補強するとともに、適当なギャップ（空気層６ａ’、
６ｂ’）を確保するために絶縁フィルム２ａ、３ａの周
囲に金属製の補強枠１０を設ける必要があった。この場
合、各回路板３．５に金属製の補強枠１０を設けている
ので、重量が重くなってしまうという問題があり、しか
も、絶縁フィルム２ａ、３ａを補強枠１０に張設する作
業が面倒になるとともに、補強枠１０部分で地導体板１
、給電回路板３および放射回路板５をボルト１１、ナツ
ト１２を用いて積層固着する組み立て作業が面倒になる
という問題があった。3a to form the feeding circuit board 3 and the radiation circuit board 5, the mechanical strength of the feeding circuit board 3 and the radiation circuit board 5 is reinforced, and appropriate gaps (air spaces 6a',
6b'), it was necessary to provide a metal reinforcing frame 10 around the insulating films 2a, 3a. In this case, since each circuit board 3.5 is provided with a metal reinforcing frame 10, there is a problem that the weight becomes heavy, and furthermore, the work of stretching the insulating films 2a, 3a on the reinforcing frame 10 is difficult. It becomes troublesome, and the ground conductor plate 1 is removed at the reinforcing frame 10 part.
However, there is a problem in that the assembly work of stacking and fixing the power supply circuit board 3 and the radiation circuit board 5 using bolts 11 and nuts 12 becomes troublesome.
本発明は上記の点に鑑みて為されたものであり、その目
的とするところは、アンテナ効率が高く、しかも、軽量
、安価で、組み立てが簡単な平面アンテナを提供するこ
とにある。The present invention has been made in view of the above points, and its purpose is to provide a planar antenna that has high antenna efficiency, is lightweight, inexpensive, and easy to assemble.
［課題を解決するための手段］
本発明は、金属製のボディと、レドーム材よりなるカバ
ーとで箱体を形成し、絶縁フィルム上に給電回路パター
ンが形成された給電回路板と、絶縁フィルム上に放射回
路パターンが形成された放射回路板とを樹脂発泡体より
なる支持板を給電回路板の両側に介装してボディ内に積
層収納したものである。[Means for Solving the Problems] The present invention provides a power supply circuit board in which a box is formed of a metal body and a cover made of a radome material, a power supply circuit pattern is formed on an insulating film, and an insulating film. A radiation circuit board on which a radiation circuit pattern is formed is stacked and housed in a body with support plates made of resin foam interposed on both sides of the power supply circuit board.
［作 用］
本発明は上述のように、金属製のボディと、レドーム材
よりなるカバーとで箱体を形成し、絶縁フィルム上に給
電回路パターンが形成された給電回路板と、絶縁フィル
ム上に放射回路パターンが形成された放射回路板とを樹
脂発泡体よりなる支持板を給電回路板の両側に介装して
ボディ内に積層収納したものであり、トリプレート型と
なっているので、アンテナ効率が高い平面アンテナが得
られる。この場合、レドーム面とその対向面とで上記ア
ンテナ本体が特別の治具を用いることなく挟持されるこ
とにより、放射回路板、給電回路板、地導体板を兼ねる
金属製のボディ底面との間の各々の間隔が支持板により
実用上支障なく一定に保たれる。さらに絶縁フィルムを
用いて各回路板を形成しているにも拘らず、補強枠を必
要としない上、組み立て用のボルトおよびナツトも不要
になるので、軽量、安価で、組み立てが簡単な平面アン
テナを提供することができるようになっている。[Function] As described above, the present invention includes a metal body and a cover made of a radome material to form a box, a power supply circuit board on which a power supply circuit pattern is formed on an insulating film, and a power supply circuit board on which a power supply circuit pattern is formed on an insulating film. A radiation circuit board on which a radiation circuit pattern is formed is stacked inside the body with support plates made of resin foam interposed on both sides of the power supply circuit board, and it is a triplate type. A planar antenna with high antenna efficiency can be obtained. In this case, the antenna body is held between the radome surface and its opposing surface without using any special jig, thereby creating a space between the antenna body and the bottom surface of the metal body, which also serves as a radiation circuit board, a feeding circuit board, and a ground conductor board. The distances between the two can be kept constant by the support plate without causing any practical problems. Furthermore, although each circuit board is formed using an insulating film, there is no need for a reinforcing frame, and there are no bolts or nuts for assembly, making it a lightweight, inexpensive, and easy-to-assemble planar antenna. It is now possible to provide
また、箱体を形成する金属製のボディの底面にて地導体
板を兼ねているので、構成が簡単になって組み立てがよ
り簡単になる。Furthermore, since the bottom surface of the metal body forming the box also serves as a ground conductor plate, the configuration is simplified and assembly becomes easier.
［実施例］
第１図乃至第３図は本発明一実施例を示すもので、金属
製のボディ８ａと、レドーム材よりなるカバー８ｂとで
箱体８を形成し、絶縁フィルム２ａ上に給電回路パター
ン２が形成された給電回路板３と、絶縁フィルム４ａ上
に放射回路パターン４が形成された放射回路板５とを樹
脂発泡体よりなる支持板（誘電体層を兼ねる）６ａ、６
ｂを給電回路板３の両側に介装してボディ８ａ内に積層
収納したものであり、実施例では、地導体板を兼ねるボ
ディ８ａの底面とカバー８ｂとで積層収納された給電回
路板３、放射回路板５および両支持板６ａ、６ｂを挟持
するようにしている。[Embodiment] Figures 1 to 3 show an embodiment of the present invention, in which a box body 8 is formed by a metal body 8a and a cover 8b made of radome material, and a power supply is carried out on an insulating film 2a. The feeding circuit board 3 on which the circuit pattern 2 is formed and the radiation circuit board 5 on which the radiation circuit pattern 4 is formed on the insulating film 4a are connected to support plates (also serving as dielectric layers) 6a, 6 made of resin foam.
b are interposed on both sides of the power supply circuit board 3 and housed in a layered manner within the body 8a. In the embodiment, the power supply circuit board 3 is housed in a layered manner with the bottom surface of the body 8a, which also serves as a ground conductor plate, and the cover 8b. , the radiation circuit board 5 and both support plates 6a and 6b are sandwiched between them.
また、誘電体層を兼ねる支持板６ａ、６ｂは、発泡倍率
が５倍以上のポリエチレン、ポリウレタン、ポリプロピ
レン、ポリ塩化ビニルの単独もしくはそれらの共重合体
にて形成されるとともに、放射回路パターン４の放射素
子に対応した孔９が形成されたハニカム状の発泡ボード
となっている。なお、放射素子に対応した孔９を設けな
くても良いことは言うまでもない。The support plates 6a and 6b, which also serve as dielectric layers, are made of polyethylene, polyurethane, polypropylene, or polyvinyl chloride, each having a foaming ratio of 5 times or more, or a copolymer thereof. It is a honeycomb-shaped foam board in which holes 9 corresponding to the radiating elements are formed. Note that it goes without saying that it is not necessary to provide the hole 9 corresponding to the radiating element.
いま、実施例にあっては、金属製のボディ８ａと、レド
ーム材よりなるカバー８ｂとで箱体８を形成し、給電回
路板３と、放射回路板５とを樹脂発泡体よりなる支持板
６ａ、６ｂを介してボディ８ａ内に積層収納し、地導体
板を兼ねるボディ８ａの底面とカバー８ｂとで積層収納
された給電回路板３、放射回路板５および両支持板６ａ
、６ｂを挟持するようにしたものであり、トリプレート
型となっているので、アンテナ効率が高い平面アンテナ
が得られ、しかも絶縁フィルム２ａ、４ａを用いて各回
路板３．５を形成しているにも拘らず、補強枠を必要と
しない上、組み立て用のボルトおよびナツトも不要にな
るので、軽量、安価で、組み立てが簡単な平面アンテナ
を提供することができるようになっている。また、箱体
８を形成する金属製のボディ８ａの底面にて地導体板を
兼ねているので、構成が簡単になって組み立てがより簡
単になる。In the present embodiment, the box body 8 is formed by a metal body 8a and a cover 8b made of radome material, and the power supply circuit board 3 and the radiation circuit board 5 are connected to a support plate made of resin foam. The feeding circuit board 3, the radiation circuit board 5, and both support plates 6a are stacked and housed in a body 8a via 6a and 6b, and the bottom surface of the body 8a, which also serves as a ground conductor plate, and the cover 8b are stacked and housed.
, 6b are sandwiched between the circuit boards 3.5 and 3.5, and since it is a triplate type, a planar antenna with high antenna efficiency can be obtained, and each circuit board 3.5 is formed using insulating films 2a and 4a. Despite this, there is no need for a reinforcing frame, as well as bolts and nuts for assembly, making it possible to provide a lightweight, inexpensive, and easy-to-assemble planar antenna. Further, since the bottom surface of the metal body 8a forming the box body 8 also serves as a ground conductor plate, the structure is simplified and assembly becomes easier.
（具体例）
１、市販のアクリル樹脂シート（厚さ５−）を加工して
深さが６１のボディ８ａを作る。(Specific Example) 1. A commercially available acrylic resin sheet (thickness: 5-10 mm) is processed to make a body 8a having a depth of 61 cm.
２、市販のポリエステルフィルム（厚さ５０μ餉）より
なる絶縁フィルム２ａ、４ｍに既存の方法で銅箔（厚さ
１８μ鴫）をドライラミネートし、この銅箔をエツチン
グして給電ラインパターン２および放射回路パターン４
を形成することにより、給電回路板３および放射回路板
５を得る。2. Dry-laminate copper foil (18μ thick) using an existing method on insulating films 2a and 4m made of commercially available polyester film (50μ thick), and then etch the copper foil to form the power supply line pattern 2 and radiation. Circuit pattern 4
By forming the above, a feeding circuit board 3 and a radiation circuit board 5 are obtained.
３、市販のアルミ板を加工して形成された地導体板を兼
ねる深さ４ｍ５ｅのボディ８ａと、市販のポリカーボネ
ート樹脂シート（厚さ０゜５μ曽）を真空成形して形成
された下方に開口したカバー８ｂとで箱体８を形成する
。3. Body 8a with a depth of 4m5e that also serves as a ground conductor plate formed by processing a commercially available aluminum plate, and a lower opening formed by vacuum forming a commercially available polycarbonate resin sheet (thickness 0° 5μ) A box body 8 is formed with the cover 8b.
４、発泡倍率が１５倍のポリスチレン発泡ボードよりな
る支持板６ａ、６ｂをボディ８ＩＬの内寸法に切断し、
地導体板を兼ねる金属製のボディ８ａ内に、支持板６ａ
、給電回路板３、支持板６しおよび放射回路板５を順次
積層収納する。4. Cut support plates 6a and 6b made of polystyrene foam board with a foaming ratio of 15 times to the inner dimensions of the body 8IL,
A support plate 6a is included in a metal body 8a that also serves as a ground conductor plate.
, the feeder circuit board 3, the support plate 6, and the radiation circuit board 5 are stacked and housed in this order.
５、カバー８ｂをボディ８ａに被せてしっかりと固定（
接着あるいはビス止め）することにより積層収納された
給電回路板３、放射回路板らおよび支持板６ａ、６ｂを
ボディ８ａの底面とカバー８ｂとで挟持して平面アンテ
ナを形成した。5. Place the cover 8b over the body 8a and securely fix it (
A planar antenna was formed by sandwiching the feeding circuit board 3, the radiation circuit board, and the support plates 6a and 6b, which were stacked and housed in a stacked manner, between the bottom surface of the body 8a and the cover 8b by bonding or fixing them with screws.
上述のようにして形成された平面アンテナを評価したと
ころ、アンテナ効率が６０％で、帯域が７％のアンテナ
性能が得られることが確認できた。When the planar antenna formed as described above was evaluated, it was confirmed that an antenna performance with an antenna efficiency of 60% and a band of 7% could be obtained.
さらに、上記平面アンテナを約２年問屋外に暴露しても
性能の変化は認められなかった。Furthermore, no change in performance was observed even when the above planar antenna was exposed outdoors for about two years.
［発明の効果］
本発明は上述のように、金属製のボディと、レドーム材
よりなるカバーとで箱体を形成し、絶縁フィルム上に給
電回路パターンが形成された給電回路板と、絶縁フィル
ム上に放射回路パターンが形成された放射回路板とを樹
脂発泡体よりなる支持板を給電回路板の両側に介装して
ボディ内に積層収納したものであり、トリプレート型と
なっているので、アンテナ効率が高い平面アンテナが得
られるという効果がある。この場合、放射回路板、給電
回路板、地導体板を兼ねる金属製のボディ底面との間の
各々の間隔が支持板により実用上支障なく一定に保たれ
る。さらに絶縁フィルムを用いて各回路板を形成してい
るにも拘らず、補強枠を必要としない上、組み立て用の
ボルトおよびナツトも不要になるので、軽量、安価で、
組み立てが簡単な平面アンテナを提供することができる
ようになっている。また、箱体を形成する金属製のボデ
ィの底面にて地導体板を兼ねているので、構成が簡単に
なって組み立てがより簡単になる。[Effects of the Invention] As described above, the present invention includes a power supply circuit board in which a box is formed of a metal body and a cover made of a radome material, a power supply circuit pattern is formed on an insulating film, and an insulating film. The radiating circuit board with a radiating circuit pattern formed thereon is stacked inside the body with support plates made of resin foam interposed on both sides of the power supply circuit board, making it a tri-plate type. This has the effect of providing a planar antenna with high antenna efficiency. In this case, the distances between the radiation circuit board, the feeding circuit board, and the bottom surface of the metal body that also serves as the ground conductor board are kept constant by the support plate without causing any practical problems. Furthermore, although each circuit board is formed using an insulating film, there is no need for a reinforcing frame, and there is no need for bolts and nuts for assembly, making it lightweight, inexpensive, and
It is now possible to provide a flat antenna that is easy to assemble. Furthermore, since the bottom surface of the metal body forming the box also serves as a ground conductor plate, the configuration is simplified and assembly becomes easier.
第１図は本発明一実施例の断面図、第２図は同上の断面
図、第３図は同上の要部工面図、第４図は本発明に係る
平面アンテナの基本例の断面図である。
２は給電回路パターン、３は給電回路板、４は放射回路
パターン、５は放射回路板、６ａ、６ｂは支持板、８は
箱体、８ａはボディ、８ｂはカバー９は孔である。
代理人 弁理士 石 １）長 七
第２図
第３図
第４図Fig. 1 is a sectional view of one embodiment of the present invention, Fig. 2 is a sectional view of the same as above, Fig. 3 is a construction view of the main part of the same as above, and Fig. 4 is a sectional view of a basic example of a planar antenna according to the present invention. be. 2 is a power supply circuit pattern, 3 is a power supply circuit board, 4 is a radiation circuit pattern, 5 is a radiation circuit board, 6a and 6b are support plates, 8 is a box, 8a is a body, 8b is a cover 9 is a hole. Agent Patent Attorney Ishi 1) Chief 7 Figure 2 Figure 3 Figure 4
Claims (3)
で箱体を形成し、絶縁フィルム上に給電回路パターンが
形成された給電回路板と、絶縁フィルム上に放射回路パ
ターンが形成された放射回路板とを樹脂発泡体よりなる
支持板を給電回路板の両側に介装してボディ内に積層収
納したことを特徴とする平面アンテナ。(1) A power supply circuit board that has a metal body and a cover made of radome material to form a box, has a power supply circuit pattern formed on an insulating film, and a radiation circuit board that has a radiation circuit pattern formed on the insulating film. A planar antenna characterized in that a circuit board and a support plate made of resin foam are interposed on both sides of a power supply circuit board and housed in a stacked manner within a body.
ン、ポリウレタン、ポリプロピレン、ポリ塩化ビニルの
単独もしくはそれらの共重合体にて支持板を形成したこ
とを特徴とする特許請求の範囲第１項記載の平面アンテ
ナ。(2) The supporting plate is formed of polystyrene, polyethylene, polyurethane, polypropylene, polyvinyl chloride alone or a copolymer thereof having an expansion ratio of 5 times or more. Planar antenna.
孔を形成したことを特徴とする特許請求の範囲第１項記
載の平面アンテナ。(3) The planar antenna according to claim 1, wherein holes corresponding to the radiating elements of the radiating circuit pattern are formed in the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16566589A JPH02104006A (en) | 1989-06-28 | 1989-06-28 | Planar antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16566589A JPH02104006A (en) | 1989-06-28 | 1989-06-28 | Planar antenna |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9244387A Division JPS63258102A (en) | 1986-08-14 | 1987-04-15 | Plane antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02104006A true JPH02104006A (en) | 1990-04-17 |
| JPH0249044B2 JPH0249044B2 (en) | 1990-10-29 |
Family
ID=15816689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16566589A Granted JPH02104006A (en) | 1989-06-28 | 1989-06-28 | Planar antenna |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02104006A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010016789A (en) * | 2008-07-07 | 2010-01-21 | Internatl Business Mach Corp <Ibm> | Radio-frequency integrated circuit chip package having n-integrated aperture coupled patch antenna, and method of manufacturing the same |
| JP4803172B2 (en) * | 2005-03-16 | 2011-10-26 | 日立化成工業株式会社 | Planar antenna module, triplate type planar array antenna, and triplate line-waveguide converter |
| JP2014112816A (en) * | 2012-11-12 | 2014-06-19 | Nitto Denko Corp | Antenna module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3681769A (en) * | 1970-07-30 | 1972-08-01 | Itt | Dual polarized printed circuit dipole antenna array |
| GB2046530A (en) * | 1979-03-12 | 1980-11-12 | Secr Defence | Microstrip antenna structure |
| US4426649A (en) * | 1980-07-23 | 1984-01-17 | L'etat Francais, Represente Par Le Secretaire D'etat Aux Postes Et Des A La Telediffusion (Centre National D'etudes Des Telecommunications) | Folded back doublet antenna for very high frequencies and networks of such doublets |
| GB2131232A (en) * | 1982-09-27 | 1984-06-13 | Rogers Corp | Microstrip antenna and method of manufacture thereof |
| JPS61273002A (en) * | 1985-05-28 | 1986-12-03 | Yagi Antenna Co Ltd | Plane antenna system |
-
1989
- 1989-06-28 JP JP16566589A patent/JPH02104006A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3681769A (en) * | 1970-07-30 | 1972-08-01 | Itt | Dual polarized printed circuit dipole antenna array |
| GB2046530A (en) * | 1979-03-12 | 1980-11-12 | Secr Defence | Microstrip antenna structure |
| US4426649A (en) * | 1980-07-23 | 1984-01-17 | L'etat Francais, Represente Par Le Secretaire D'etat Aux Postes Et Des A La Telediffusion (Centre National D'etudes Des Telecommunications) | Folded back doublet antenna for very high frequencies and networks of such doublets |
| GB2131232A (en) * | 1982-09-27 | 1984-06-13 | Rogers Corp | Microstrip antenna and method of manufacture thereof |
| JPS61273002A (en) * | 1985-05-28 | 1986-12-03 | Yagi Antenna Co Ltd | Plane antenna system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4803172B2 (en) * | 2005-03-16 | 2011-10-26 | 日立化成工業株式会社 | Planar antenna module, triplate type planar array antenna, and triplate line-waveguide converter |
| US8253511B2 (en) | 2005-03-16 | 2012-08-28 | Hitachi Chemical Co., Ltd. | Triple plate feeder—waveguide converter having a square resonance patch pattern |
| JP2010016789A (en) * | 2008-07-07 | 2010-01-21 | Internatl Business Mach Corp <Ibm> | Radio-frequency integrated circuit chip package having n-integrated aperture coupled patch antenna, and method of manufacturing the same |
| US7728774B2 (en) | 2008-07-07 | 2010-06-01 | International Business Machines Corporation | Radio frequency (RF) integrated circuit (IC) packages having characteristics suitable for mass production |
| JP2014112816A (en) * | 2012-11-12 | 2014-06-19 | Nitto Denko Corp | Antenna module |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0249044B2 (en) | 1990-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |