JPH11136023A - Micro strip antenna - Google Patents
Micro strip antennaInfo
- Publication number
- JPH11136023A JPH11136023A JP9294383A JP29438397A JPH11136023A JP H11136023 A JPH11136023 A JP H11136023A JP 9294383 A JP9294383 A JP 9294383A JP 29438397 A JP29438397 A JP 29438397A JP H11136023 A JPH11136023 A JP H11136023A
- Authority
- JP
- Japan
- Prior art keywords
- dielectric
- dielectric constant
- microstrip antenna
- adjusting plate
- resonance frequency
- 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.)
- Pending
Links
Classifications
-
- 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
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means
Landscapes
- Details Of Aerials (AREA)
- Waveguide Aerials (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明はマイクロストリップ
アンテナに関し、特に共振周波数を変えることが可能な
マイクロストリップに関する。The present invention relates to a microstrip antenna, and more particularly, to a microstrip capable of changing a resonance frequency.
【0002】[0002]
【従来の技術】従来、この種のマイクロストリップアン
テナは共振周波数を変えるために、例えば、特開平5−
15283号公報および特開平5−145328号公報
に示されているように、放射素子と接地導体板に挟まれ
た誘導体基板に孔を形成し、誘導体基板の実効誘電率を
下げるか、あるいは、上記孔に他の誘電体を充填して実
効誘電率を上げることにより、共振周波数を上下させて
いた。2. Description of the Related Art Conventionally, this type of microstrip antenna has been disclosed in, for example,
As disclosed in JP-A No. 15283 and JP-A-5-145328, holes are formed in a dielectric substrate sandwiched between a radiating element and a ground conductor plate to reduce the effective dielectric constant of the dielectric substrate, or The resonance frequency is raised or lowered by filling the hole with another dielectric to increase the effective permittivity.
【0003】[0003]
【発明が解決しようとする課題】上述した従来のマイク
ロストリップアンテナは誘電体に孔を形成して実効誘電
率を変えるため、実効誘電率の変化の割合が小さく、共
振周波数を微調整することができる程度であるという問
題点があった。In the above-mentioned conventional microstrip antenna, since the effective dielectric constant is changed by forming a hole in the dielectric, the rate of change of the effective dielectric constant is small, and the resonance frequency can be finely adjusted. There was a problem that it was possible.
【0004】本発明の目的は共振周波数を広範囲に変更
可能なマイクロストリップアンテナの提供である。An object of the present invention is to provide a microstrip antenna whose resonance frequency can be changed over a wide range.
【0005】[0005]
【課題を下位希有するための手段】本発明のマイクロス
トリップアンテナは、電波の入出力口である放射素子
と、放射素子が取付けられている誘導体基板と、金属で
構成された接地導体板と、誘導体基板と接地導体板との
間に共振周波数調整用の誘電率調整板が装着される誘電
体ケーシングとからなり、誘電率調整板の装着がキー入
力により自動的に選択装着可能な装置を有する。SUMMARY OF THE INVENTION A microstrip antenna according to the present invention comprises: a radiating element serving as a radio wave input / output port; a dielectric substrate on which the radiating element is mounted; a ground conductor plate made of metal; A dielectric casing in which a dielectric constant adjustment plate for resonance frequency adjustment is mounted between the dielectric substrate and the ground conductor plate, and has a device in which the dielectric constant adjustment plate can be automatically selected and mounted by key input. .
【0006】[0006]
【発明の実施の形態】次に、本発明の実施の形態につい
て図面を参照して説明する。Next, embodiments of the present invention will be described with reference to the drawings.
【0007】図1は本発明のマイクロストリップマンテ
ナの一実施例の斜視図である。FIG. 1 is a perspective view of one embodiment of the microstrip mantener of the present invention.
【0008】このマイクロストリップアンテナは、電波
の入出口となるアンテナである放射素子1と、誘電率調
整板装着用の誘電体ケーシング2と、接地接続用の接地
導体板3と、所要の共振周波数を発生するために誘電体
ケーシングに挿入される誘電率調整板5とからなる。In this microstrip antenna, a radiating element 1, which is an antenna serving as an entrance and exit of a radio wave, a dielectric casing 2 for mounting a dielectric constant adjusting plate, a ground conductor plate 3 for ground connection, and a required resonance frequency And a dielectric constant adjusting plate 5 inserted into the dielectric casing to generate the electric field.
【0009】また、誘電体ケーシング2は、誘電率調整
板5の鞘体としての構成を維持するために、四隅に支柱
4を有し、上部に放射素子が装着された誘電体基板と、
底面に接地導体板3を有している。The dielectric casing 2 has columns 4 at four corners, and a dielectric substrate on which a radiating element is mounted, in order to maintain the structure of the dielectric constant adjusting plate 5 as a sheath.
A ground conductor plate 3 is provided on the bottom surface.
【0010】本発明のマイクロストリップアンテナの動
作について説明する。誘電体ケーシング2に予め測定し
て調整設定されている所要の共振周波数を放射素子に付
与する誘導率調整板5を挿入すると放射素子1がその共
振周波数を変化して該当する共振周波数の送受信を可能
とする。The operation of the microstrip antenna according to the present invention will be described. When a dielectric constant adjusting plate 5 for giving a required resonance frequency measured and adjusted and set in advance to the radiating element is inserted into the dielectric casing 2, the radiating element 1 changes its resonance frequency to transmit and receive the corresponding resonance frequency. Make it possible.
【0011】[0011]
【実施例】図2は本発明のマイクロストリップアンテナ
の一実施例のブロック図である。FIG. 2 is a block diagram showing an embodiment of a microstrip antenna according to the present invention.
【0012】本マイクロストリップアンテナは、所要の
誘電率調整板の装着を指示する入力部11と、制御部1
2と、マイクロストリップアンテナ本体部10と、誘電
率調整板が格納される誘電率調整板マガジン16と、誘
導体ケーシング2の内部に残留している誘電率調整板の
有無を検出する検出部13と、残留している誘電率調整
板を抜き出して識別記号を読み出し、誘電率調整板マガ
ジン16に格納する格納部14と、指定された誘電率調
整板を誘電率調整板マガジンから取り出して誘電体ケー
シングに挿入装着する装着部15とを有する。The microstrip antenna includes an input unit 11 for instructing mounting of a required permittivity adjusting plate, and a control unit 1.
2, a microstrip antenna main body 10, a dielectric constant adjusting plate magazine 16 in which a dielectric constant adjusting plate is stored, and a detecting unit 13 for detecting the presence or absence of a dielectric constant adjusting plate remaining inside the dielectric casing 2. The storage unit 14 for extracting the remaining dielectric constant adjusting plate, reading out the identification code, and storing it in the dielectric constant adjusting plate magazine 16, and taking out the designated dielectric constant adjusting plate from the dielectric constant adjusting plate magazine and removing the dielectric casing. And a mounting portion 15 to be inserted and mounted in the device.
【0013】また、検出部13は識別記号により誘電率
調整板5の格納先を読み出す格納位置リーダ(不図示)
を有し、装着部15は入力が共振周波数を指定した場合
該当する誘電率調整板が格納されるべき誘電率調整板マ
ガジン内の位置をサーチする位置サーチ機能を有する。The detecting unit 13 is a storage position reader (not shown) for reading out the storage destination of the permittivity adjusting plate 5 by an identification symbol.
The mounting unit 15 has a position search function for searching for a position in the dielectric constant adjusting plate magazine where the corresponding dielectric constant adjusting plate is to be stored when the input specifies the resonance frequency.
【0014】また、誘導率調整板5の着脱格納の機能が
格納部14、および装着部15に使用されるが、図3に
示すように、誘電体ケーシングにレベルを設定され、誘
電率調整板マガジンの各格納位置にそれぞれレベルおよ
び角度位置が設定されている上下動を伴うターンテーブ
ル17と、該ターンテーブル上で誘電率調整板5を把持
して引出し、および挿入可能な往復動腕18と、往復動
腕18を伸縮するシリンダ19と、ターンテーブルを設
定された位置に位置決めする上下動サーボモタ201回
転サーボモータ202とを有する。The function of attaching and detaching the guiding rate adjusting plate 5 is used for the storage section 14 and the mounting section 15, but as shown in FIG. A revolving arm 18 capable of vertically moving with a level and an angular position being set at each storage position of the magazine, and a reciprocating arm 18 capable of holding and pulling out and inserting the dielectric constant adjusting plate 5 on the turntable; has a cylinder 19 to expand and contract the reciprocating Doude 18, and a vertical movement Sabomota 20 1 rotation servo motor 20 2 for positioning the turntable to the position set.
【0015】[0015]
【発明の効果】以上説明したように、本発明のマイクロ
ストリップアンテナは誘電体基板を異なる誘電率を持つ
ように誘電率調整板を挿入して変化させることによっ
て、放射素子を固定したままその共振周波数を変更する
ことができる効果がある。As described above, in the microstrip antenna of the present invention, by changing the dielectric substrate by inserting a dielectric constant adjusting plate so as to have a different dielectric constant, the resonance is maintained while the radiating element is fixed. There is an effect that the frequency can be changed.
【0016】また、誘電率調整板はその誘電率を大きく
変更できるので、共振周波数の変更幅を広くすることが
できる効果が特筆に値する。Further, since the dielectric constant of the dielectric constant adjusting plate can be largely changed, the effect of increasing the change width of the resonance frequency is particularly noteworthy.
【図1】本発明のマイクロストリップアンテナの実施の
形態を説明するための典型的構成の斜視図である。FIG. 1 is a perspective view of a typical configuration for describing an embodiment of a microstrip antenna of the present invention.
【図2】本発明のマイクロストリップアンテナのリモー
ト入力による自動装着の一実施例のブロック図である。FIG. 2 is a block diagram of one embodiment of automatic mounting of a microstrip antenna of the present invention by remote input.
【図3】(a)が図2に示す格納部14と、装着部15
とが駆動させるターンテーブル17の平面図、(b)が
その側面図である。3A illustrates a storage unit 14 and a mounting unit 15 illustrated in FIG.
FIG. 4B is a plan view of the turntable 17 to be driven, and FIG.
1 放射素子 2 誘電体ケーシング 3 接地導体板 4 支柱 5 誘電率調整板 10 マイクロストリップアンテナ 12 制御部 13 検出部 14 格納部 15 装着部 16、161、162 誘電率調整板マガジン 17 ターンテーブル 18 往復動腕 19 シリンダ 201、202 サーボモータREFERENCE SIGNS LIST 1 radiating element 2 dielectric casing 3 ground conductor plate 4 support column 5 dielectric constant adjusting plate 10 microstrip antenna 12 control unit 13 detecting unit 14 storage unit 15 mounting unit 16, 16 1 , 16 2 dielectric constant adjusting plate magazine 17 turntable 18 reciprocating Doude 19 cylinder 20 1, 20 2 servomotors
Claims (7)
能なマイクロストリップアンテナ。1. A microstrip antenna capable of replacing a dielectric substrate with a different dielectric constant.
接地導体との間に誘電率調整板を着脱可能に収容する鞘
体を呈する誘導体ケーシングを有し、該誘導体ケーシン
グに挿入、抜き去りによる着脱可能な、所要の共振周波
数を放射素子に保有せしめる誘電率調整板を備え、指定
された誘電率調整板を選択的に装着される請求項1記載
のマイクロストリップアンテナ。2. A dielectric casing having a sheath for detachably accommodating a dielectric constant adjusting plate is provided between a dielectric substrate on which a radiating element is mounted and a ground conductor, and inserted and removed from the dielectric casing. 2. The microstrip antenna according to claim 1, further comprising: a dielectric constant adjusting plate that allows the radiating element to have a required resonance frequency, which is detachable by the method, and wherein the specified dielectric constant adjusting plate is selectively mounted.
トキーイングによる入力の指示により、自動的に行う手
段を有する請求項2記載のマイクロストリップアンテ
ナ。3. The microstrip antenna according to claim 2, further comprising means for automatically performing selective attachment and detachment of said permittivity adjusting plate in accordance with an input instruction by remote keying.
の装着を自動的に行う手段が、 所定の共振周波数を前記放射素子に保有させるように予
め調整設定され、識別記号を付与された所定種類の誘導
率調整基板が格納される誘導率調整基板マガジンと、 誘導体基板の取り替えが指示されると、誘導体ケーシン
グ内に他の誘導率調整基板の有無を検出する手段と、 誘導体ケーシングに他の誘導率調整基板が装着されてい
るときは、装着されている誘導率調整基板を抜き取り、
当該誘導率調整基板の格納位置に格納する手段と、 指定された誘導率調整基板を、前記誘導率調整基板マガ
ジンより選択的に抜き出す手段と、 抜き出した指定された誘導率調整基板を誘導体ケーシン
グに装着する手段とを有する請求項3記載のマイクロス
トリップアンテナ。4. A means for automatically mounting the inductivity adjusting board automatically by the input, wherein the means is adjusted and set in advance so that the radiating element has a predetermined resonance frequency, and is provided with an identification symbol. A guide ratio adjustment board magazine in which various types of guide ratio adjustment boards are stored; a means for detecting the presence or absence of another guide rate adjustment board in the derivative casing when the replacement of the derivative board is instructed; When the induction ratio adjustment board is mounted, remove the mounted induction ratio adjustment board,
Means for storing the guide rate adjustment board in the storage position; means for selectively extracting the specified guide rate adjustment board from the guide rate adjustment board magazine; and extracting the specified guide rate adjustment board to the dielectric casing. 4. The microstrip antenna according to claim 3, further comprising means for mounting.
導率調整基板マガジンの格納位置表示記号である請求項
4記載のマイクロストリップアンテナ。5. The microstrip antenna according to claim 4, wherein the identification symbol of the guide ratio adjustment board is a storage position display symbol of the guide ratio adjustment board magazine.
る共振周波数とが対比される対比表を有して、共振周波
数で入力されるとき、誘電率調整板マガジンの該当位置
を識別する手段を有する請求項5記載のマイクロストリ
ップアンテナ。6. A means for identifying a corresponding position of a dielectric constant adjusting plate magazine when inputting at a resonance frequency, comprising a comparison table in which an identification symbol of the inductive ratio adjusting substrate is compared with a corresponding resonance frequency. The microstrip antenna according to claim 5, comprising:
請求項1乃至6のいずれか一項に記載のマイクロストリ
ップアンテナ。7. The microstrip antenna according to claim 1, wherein the dielectric constant adjusting plate is a plate made of a dielectric material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9294383A JPH11136023A (en) | 1997-10-27 | 1997-10-27 | Micro strip antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9294383A JPH11136023A (en) | 1997-10-27 | 1997-10-27 | Micro strip antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH11136023A true JPH11136023A (en) | 1999-05-21 |
Family
ID=17807023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9294383A Pending JPH11136023A (en) | 1997-10-27 | 1997-10-27 | Micro strip antenna |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH11136023A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002141734A (en) * | 2000-10-31 | 2002-05-17 | Mitsubishi Materials Corp | Antenna |
JP2002232232A (en) * | 2001-02-06 | 2002-08-16 | Yokowo Co Ltd | Switchable frequency band antenna for mobile communication terminal |
EP1378959A1 (en) * | 2001-02-23 | 2004-01-07 | Ube Industries, Ltd. | Antenna apparatus and communication apparatus using the same |
JP2004096259A (en) * | 2002-08-30 | 2004-03-25 | Matsushita Electric Ind Co Ltd | Multi-frequency microstrip antenna |
US6738022B2 (en) | 2001-04-18 | 2004-05-18 | Filtronic Lk Oy | Method for tuning an antenna and an antenna |
WO2004073108A1 (en) * | 2003-02-14 | 2004-08-26 | Kabushiki Kaisha Toshiba | Electronic device |
JP3596526B2 (en) * | 1999-09-09 | 2004-12-02 | 株式会社村田製作所 | Surface mounted antenna and communication device provided with the antenna |
WO2004097976A3 (en) * | 2003-04-28 | 2005-04-21 | Itt Mfg Enterprises Inc | Tuneable antenna |
JP2006033217A (en) * | 2004-07-14 | 2006-02-02 | Nippon Telegr & Teleph Corp <Ntt> | Microstripline and characteristic impedance control method |
JP2010148054A (en) * | 2008-12-22 | 2010-07-01 | Yokowo Co Ltd | Adjusting method of antenna device |
JP2010154215A (en) * | 2008-12-25 | 2010-07-08 | Yokowo Co Ltd | Antenna device and method for adjusting the same |
JP2010219915A (en) * | 2009-03-17 | 2010-09-30 | Toshiba Tec Corp | Radio tag reader/writer |
WO2024171893A1 (en) * | 2023-02-14 | 2024-08-22 | Agc株式会社 | Method for selecting interface layer |
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JPH05145328A (en) * | 1991-11-22 | 1993-06-11 | Toko Inc | Resonance frequency adjustment method for microstrip antenna |
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JPH0374909A (en) * | 1989-08-16 | 1991-03-29 | Nissan Motor Co Ltd | Electronic control antenna system |
JPH05121925A (en) * | 1991-10-25 | 1993-05-18 | Toko Inc | Resonance frequency adjustment method for microstrip antenna |
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3596526B2 (en) * | 1999-09-09 | 2004-12-02 | 株式会社村田製作所 | Surface mounted antenna and communication device provided with the antenna |
JP2002141734A (en) * | 2000-10-31 | 2002-05-17 | Mitsubishi Materials Corp | Antenna |
JP2002232232A (en) * | 2001-02-06 | 2002-08-16 | Yokowo Co Ltd | Switchable frequency band antenna for mobile communication terminal |
EP1378959A1 (en) * | 2001-02-23 | 2004-01-07 | Ube Industries, Ltd. | Antenna apparatus and communication apparatus using the same |
KR100844948B1 (en) | 2001-02-23 | 2008-07-09 | 우베 고산 가부시키가이샤 | Antenna apparatus and communication apparatus using the same |
EP1378959A4 (en) * | 2001-02-23 | 2005-03-09 | Ube Industries | Antenna apparatus and communication apparatus using the same |
US6738022B2 (en) | 2001-04-18 | 2004-05-18 | Filtronic Lk Oy | Method for tuning an antenna and an antenna |
JP2004096259A (en) * | 2002-08-30 | 2004-03-25 | Matsushita Electric Ind Co Ltd | Multi-frequency microstrip antenna |
EP1638163A1 (en) * | 2003-02-14 | 2006-03-22 | Toshiba Carrier Corporation | Electronic device |
US6967623B2 (en) | 2003-02-14 | 2005-11-22 | Kabushiki Kaisha Toshiba | Electronic apparatus having an antenna with variable dielectric to optimize radio communications at different frequencies |
EP1638163A4 (en) * | 2003-02-14 | 2006-03-22 | Toshiba Carrier Corp | Electronic device |
WO2004073108A1 (en) * | 2003-02-14 | 2004-08-26 | Kabushiki Kaisha Toshiba | Electronic device |
WO2004097976A3 (en) * | 2003-04-28 | 2005-04-21 | Itt Mfg Enterprises Inc | Tuneable antenna |
JP2006033217A (en) * | 2004-07-14 | 2006-02-02 | Nippon Telegr & Teleph Corp <Ntt> | Microstripline and characteristic impedance control method |
JP2010148054A (en) * | 2008-12-22 | 2010-07-01 | Yokowo Co Ltd | Adjusting method of antenna device |
JP2010154215A (en) * | 2008-12-25 | 2010-07-08 | Yokowo Co Ltd | Antenna device and method for adjusting the same |
JP2010219915A (en) * | 2009-03-17 | 2010-09-30 | Toshiba Tec Corp | Radio tag reader/writer |
WO2024171893A1 (en) * | 2023-02-14 | 2024-08-22 | Agc株式会社 | Method for selecting interface layer |
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