JPH04122104A - Two-frequency shaped antenna - Google Patents
Two-frequency shaped antennaInfo
- Publication number
- JPH04122104A JPH04122104A JP2243216A JP24321690A JPH04122104A JP H04122104 A JPH04122104 A JP H04122104A JP 2243216 A JP2243216 A JP 2243216A JP 24321690 A JP24321690 A JP 24321690A JP H04122104 A JPH04122104 A JP H04122104A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- slot antenna
- patch
- slot
- patch antenna
- 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
- 239000000758 substrate Substances 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 claims description 2
- 230000001902 propagating effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
この発明はパッチアンテナとスロットアンテナを一体構
成した2周波共用アンテナに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a dual-frequency antenna integrally comprising a patch antenna and a slot antenna.
[従来の技術]
第3図は、従来のアンテナ装置の構成図であり(1)は
誘電体基板、(2)は地導体、 (3a)、 (3b)
はパッチアンテナである。[Prior Art] Fig. 3 is a block diagram of a conventional antenna device, in which (1) is a dielectric substrate, (2) is a ground conductor, (3a), (3b)
is a patch antenna.
次に動作について説明する。図においてパッチアンテナ
(3a)とパンチアンテナ(3b)は、それぞれ異なっ
た周波数帯域をもつアンテナであり、この2種類のアン
テナにより2周波帯の電波を放射する。Next, the operation will be explained. In the figure, a patch antenna (3a) and a punch antenna (3b) are antennas having different frequency bands, and these two types of antennas radiate radio waves in two frequency bands.
「発明が解決しようとする課題]
上記のようなアンテナ装置は2種類のアンテナ素子が混
在しているためアンテナ装置が太き(なり、また一方の
周波数帯のアンテナ素子間に他方の周波数帯のアンテナ
素子を配置しなければならないためアンテナ素子の配列
の制約が大きいという問題があった。“Problems to be Solved by the Invention” Since the antenna device as described above has two types of antenna elements mixed together, the antenna device is thick. Since the antenna elements must be arranged, there is a problem in that the arrangement of the antenna elements is severely restricted.
この発明はL記のような課題を解決するためになされた
もので、1素子で2周波帯を共用できるアンテナ装置を
得ることを目的とする。This invention was made in order to solve the problem as described in L, and aims to obtain an antenna device that can share two frequency bands with one element.
[課題を解決するための手段]
この発明に係わるアンテナ素子は誘電体基板上のパッチ
アンテナにスロットアンテナを設け、誘電体基板の誘電
体中にこのスロ・yトアンテナの給電ラインを配置した
構成である。[Means for Solving the Problems] An antenna element according to the present invention has a configuration in which a slot antenna is provided on a patch antenna on a dielectric substrate, and a feeding line of the slot antenna is arranged in the dielectric of the dielectric substrate. It is.
[作用]
この発明におけるアンテナ素子では、パッチアンテナと
スロットアンテナを共有している。そのためアンテナ面
積を大きくすること無く、またアンテナを配列化したと
き、異なる周波数帯のアンテナ素子が重なる部分に本ア
ンテナ素子を用いることにより配列の制約も少なくなる
。[Function] The antenna element according to the present invention shares a patch antenna and a slot antenna. Therefore, without increasing the antenna area, and when the antennas are arranged in an array, the present antenna element is used in a portion where antenna elements of different frequency bands overlap, thereby reducing restrictions on the arrangement.
[実施例]
以下、この発明の一実施例を図について説明する。第1
図は構成図である。図において、(1)は誘電体基板、
(2)は地導体であり、誘電体基板(1)の上にパッチ
アンテナ(3)が設けられ、このパッチアンテナ(3)
上にスロットアンテナ(4)がある。さらにこのスロッ
トアンテナ(4)を給電するための給電ライン(5)が
誘電体層(7)と誘電体1! (8)の間に設けられて
いる。(6)はパッチアンテナ(3)の給電ラインであ
る。[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. 1st
The figure is a configuration diagram. In the figure, (1) is a dielectric substrate,
(2) is a ground conductor, and a patch antenna (3) is provided on the dielectric substrate (1).
There is a slot antenna (4) on top. Furthermore, the feed line (5) for feeding the slot antenna (4) is connected to the dielectric layer (7) and the dielectric 1! (8). (6) is a power supply line for the patch antenna (3).
この構成による2周波共用アンテナでは、給電ライン(
6)を伝搬してきた電波は、パッチアンテナ(3)によ
って空間へ放射される。また給電ライン(5)を伝搬し
てきた電波はスロットアンテナ(4)と電磁的に結合し
、スロットアンテナ(4)によって空間に放射される。In a dual-frequency antenna with this configuration, the feed line (
The radio waves propagated through 6) are radiated into space by a patch antenna (3). Furthermore, the radio waves propagated through the feed line (5) are electromagnetically coupled to the slot antenna (4) and radiated into space by the slot antenna (4).
パッチアンテナ(3)Lに乗る電流の方向にスロットア
ンテナ(4)を配置しているのでパッチアンテナ上の電
流がスロットアンテナによって妨げられる事による放射
への影響は少ない。Since the slot antenna (4) is arranged in the direction of the current flowing through the patch antenna (3) L, there is little effect on radiation due to the current on the patch antenna being obstructed by the slot antenna.
以上はアンテナが一素子の場合について説明したが、第
2図に示すように多素子のアレーアンテナとしても良く
、この場合にはアンテナ素子の配置の制約が従来のアン
テナ装置より少なくなり本発明の効果が一層発揮できる
。Although the above description has been made for the case where the antenna has one element, it is also possible to use a multi-element array antenna as shown in FIG. The effect can be further demonstrated.
[発明の効果]
以上のように、この発明によるアンテナ装置では、パッ
チアンテナ(3)上にスロットアンテナ(4)を設ける
ことにより、−素子で2周波帯の電波を放射できる。さ
らにアンテナ面積を小さく押さえ配列化時の配列の制約
も少なくすることができる[Effects of the Invention] As described above, in the antenna device according to the present invention, by providing the slot antenna (4) on the patch antenna (3), it is possible to radiate radio waves in two frequency bands with the negative element. Furthermore, it is possible to reduce the antenna area and reduce restrictions on arrangement when arraying.
第1図はこの発明の一実施例による2周波共用アンテナ
の構成を示す図、第2図はこの発明の他の実施例を示す
図、第3図は従来のアンテナの構成を示す図である。
図中、(1)は誘電体基板、(2)は地導体、 (3)
、 (3a)(3b)はパッチアンテナ、(4)はスロ
ットアンテナ。
(5)、 (8)は給電ラインである。
なお1図中、同一符号は同一、または相当部分を示す。FIG. 1 is a diagram showing the configuration of a dual frequency antenna according to an embodiment of the present invention, FIG. 2 is a diagram showing another embodiment of the invention, and FIG. 3 is a diagram showing the configuration of a conventional antenna. . In the figure, (1) is a dielectric substrate, (2) is a ground conductor, (3)
, (3a) and (3b) are patch antennas, and (4) is a slot antenna. (5) and (8) are power supply lines. In Figure 1, the same reference numerals indicate the same or equivalent parts.
Claims (1)
板の誘電体面にパッチアンテナを形成しさらにスロット
アンテナを上記パッチアンテナ上に形成し、また誘電体
中に上記スロットアンテナの給電ラインを形成したこと
を特徴とする2周波共用アンテナ。In an antenna device that can be used in two frequency bands, a patch antenna is formed on a dielectric surface of a dielectric substrate, a slot antenna is further formed on the patch antenna, and a feeding line for the slot antenna is formed in the dielectric. Features a dual frequency antenna.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2243216A JPH04122104A (en) | 1990-09-13 | 1990-09-13 | Two-frequency shaped antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2243216A JPH04122104A (en) | 1990-09-13 | 1990-09-13 | Two-frequency shaped antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH04122104A true JPH04122104A (en) | 1992-04-22 |
Family
ID=17100556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2243216A Pending JPH04122104A (en) | 1990-09-13 | 1990-09-13 | Two-frequency shaped antenna |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH04122104A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5561434A (en) * | 1993-06-11 | 1996-10-01 | Nec Corporation | Dual band phased array antenna apparatus having compact hardware |
WO1999038227A1 (en) * | 1998-01-27 | 1999-07-29 | Kabushiki Kaisha Toshiba | Multifrequency antenna |
WO2002082667A2 (en) * | 2001-04-06 | 2002-10-17 | Tyco Electronics Logistics Ag | Dual band patch bowtie slot antenna structure |
JP2004172997A (en) * | 2002-11-20 | 2004-06-17 | Alps Electric Co Ltd | Two-band shared patch antenna |
JP2004208226A (en) * | 2002-12-26 | 2004-07-22 | Alps Electric Co Ltd | Two-band patch antenna |
JP2004208225A (en) * | 2002-12-26 | 2004-07-22 | Alps Electric Co Ltd | Two-band patch antenna |
JP2006014265A (en) * | 2004-05-27 | 2006-01-12 | Nissei Electric Co Ltd | Wideband element and wideband antenna including its element |
JPWO2005083838A1 (en) * | 2004-02-27 | 2008-01-17 | 富士通株式会社 | Wireless tag |
CN110071367A (en) * | 2019-04-25 | 2019-07-30 | 河源广工大协同创新研究院 | A kind of dual polarization Shared aperture broad-band antenna |
WO2021039102A1 (en) * | 2019-08-28 | 2021-03-04 | 株式会社村田製作所 | Antenna device, antenna module, and communication device |
WO2023210063A1 (en) * | 2022-04-25 | 2023-11-02 | 株式会社村田製作所 | Antenna device |
-
1990
- 1990-09-13 JP JP2243216A patent/JPH04122104A/en active Pending
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5561434A (en) * | 1993-06-11 | 1996-10-01 | Nec Corporation | Dual band phased array antenna apparatus having compact hardware |
WO1999038227A1 (en) * | 1998-01-27 | 1999-07-29 | Kabushiki Kaisha Toshiba | Multifrequency antenna |
US6225958B1 (en) | 1998-01-27 | 2001-05-01 | Kabushiki Kaisha Toshiba | Multifrequency antenna |
WO2002082667A2 (en) * | 2001-04-06 | 2002-10-17 | Tyco Electronics Logistics Ag | Dual band patch bowtie slot antenna structure |
WO2002082667A3 (en) * | 2001-04-06 | 2004-05-27 | Tyco Electronics Logistics Ag | Dual band patch bowtie slot antenna structure |
JP2004172997A (en) * | 2002-11-20 | 2004-06-17 | Alps Electric Co Ltd | Two-band shared patch antenna |
JP2004208226A (en) * | 2002-12-26 | 2004-07-22 | Alps Electric Co Ltd | Two-band patch antenna |
JP2004208225A (en) * | 2002-12-26 | 2004-07-22 | Alps Electric Co Ltd | Two-band patch antenna |
JPWO2005083838A1 (en) * | 2004-02-27 | 2008-01-17 | 富士通株式会社 | Wireless tag |
JP2006014265A (en) * | 2004-05-27 | 2006-01-12 | Nissei Electric Co Ltd | Wideband element and wideband antenna including its element |
CN110071367A (en) * | 2019-04-25 | 2019-07-30 | 河源广工大协同创新研究院 | A kind of dual polarization Shared aperture broad-band antenna |
WO2021039102A1 (en) * | 2019-08-28 | 2021-03-04 | 株式会社村田製作所 | Antenna device, antenna module, and communication device |
WO2023210063A1 (en) * | 2022-04-25 | 2023-11-02 | 株式会社村田製作所 | Antenna device |
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