JPH0480116U - - Google Patents
Info
- Publication number
- JPH0480116U JPH0480116U JP12354090U JP12354090U JPH0480116U JP H0480116 U JPH0480116 U JP H0480116U JP 12354090 U JP12354090 U JP 12354090U JP 12354090 U JP12354090 U JP 12354090U JP H0480116 U JPH0480116 U JP H0480116U
- Authority
- JP
- Japan
- Prior art keywords
- beam tilt
- planar antenna
- antenna
- antenna elements
- ground conductor
- 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
- 239000004020 conductor Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Description
第１図は本考案によるビームチルト平面アンテ
ナの一実施例を示す平面図、第２図は第１図に示
すビームチルト平面アンテナの断面図、第３図は
第１図および第２図に示すビームチルト平面アン
テナの動作例を示す表図、第４図は第１図および
第２図に示すビームチルト平面アンテナにおいて
各アンテナ素子間のトータル位相差を“２π／３
”にしたときの動作例を示す表図、第５図は第１
図および第２図に示すビームチルト平面アンテナ
の交差偏波特性を説明するための模式図、第６図
は本考案によるビームチルト平面アンテナにおけ
る他のアンテナ素子例を示す平面図、第７図は本
考案によるビームチルト平面アンテナにおける他
のアンテナ素子例を示す平面図、第８図は本考案
によるビームチルト平面アンテナの他の実施例を
示す断面図、第９図は従来から知られている平面
アンテナの一例を示す平面図、第１０図は従来か
ら知られているビームチルト平面アンテナの他の
一例を示す平面図、第１１図は第１０図に示すビ
ームチルト平面アンテナのチルト角を説明する側
面図、第１２図は第１０図に示すビームチルト平
面アンテナのアンテナ素子間隔とゲインとの関係
を説明する表図である。
１……誘電体基板、２……接地導体（接地導体
面）、３ａ〜４ｂ……アンテナ素子、７……素子
間給電線路、９……ブロツク間給電線路、１０…
…ブロツク、Ｐ１，Ｐ２，Ｐ４……合成点、ＰＧ
１〜ＰＧ４……同位相点。
FIG. 1 is a plan view showing an embodiment of the beam tilt planar antenna according to the present invention, FIG. 2 is a sectional view of the beam tilt planar antenna shown in FIG. 1, and FIG. 3 is the same as shown in FIGS. 1 and 2. FIG. 4 is a table showing an example of the operation of a beam tilt planar antenna, and the total phase difference between each antenna element in the beam tilt planar antenna shown in FIGS.
A table showing an example of the operation when the
FIG. 6 is a schematic diagram for explaining the cross-polarization characteristics of the beam tilt planar antenna shown in FIGS. 8 is a plan view showing another example of the antenna element in the beam tilt planar antenna according to the present invention, FIG. 8 is a sectional view showing another embodiment of the beam tilt planar antenna according to the present invention, and FIG. 9 is a conventionally known antenna element. FIG. 10 is a plan view showing another example of a conventionally known beam tilt planar antenna; FIG. 11 explains the tilt angle of the beam tilt planar antenna shown in FIG. 10. FIG. 12 is a table illustrating the relationship between antenna element spacing and gain of the beam tilt planar antenna shown in FIG. 10. DESCRIPTION OF SYMBOLS 1... Dielectric substrate, 2... Ground conductor (ground conductor surface), 3a-4b... Antenna element, 7... Inter-element feed line, 9... Inter-block feed line, 10...
...Block, P1, P2, P4...Synthesis point, PG
1 to PG4... Same phase points.
Claims (1)
もに、表面側にアンテナ素子を複数形成した平面
アンテナにおいて、 ビームチルト面内で上下関係にあるアンテナ素
子の一方を他方に対して一定角度回転させ、これ
ら各アンテナ素子の同位相点から合成点までの電
気長差と前記角度との和をπ／３またはπ／２、
２π／３、３π／４のいずれかにしたことを特徴
とするビームチルト平面アンテナ。[Claim for Utility Model Registration] In a planar antenna in which a ground conductor is formed on the back side of a dielectric substrate and a plurality of antenna elements are formed on the front side, one of the antenna elements in a vertical relationship within the beam tilt plane is connected to the other. The sum of the electrical length difference from the same phase point to the composite point of each antenna element and the above angle is π/3 or π/2,
A beam tilt planar antenna characterized by having a beam tilt angle of either 2π/3 or 3π/4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12354090U JPH0480116U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12354090U JPH0480116U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0480116U true JPH0480116U (en) | 1992-07-13 |
Family
ID=31871237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12354090U Pending JPH0480116U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0480116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002043837A (en) * | 2000-06-29 | 2002-02-08 | Thomson Licensing Sa | Transmitter/receiver for electromagnetic waves fed from array manufactured by microstrip technique |
-
1990
- 1990-11-27 JP JP12354090U patent/JPH0480116U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002043837A (en) * | 2000-06-29 | 2002-02-08 | Thomson Licensing Sa | Transmitter/receiver for electromagnetic waves fed from array manufactured by microstrip technique |
| JP4588258B2 (en) * | 2000-06-29 | 2010-11-24 | トムソン ライセンシング | Device that transmits and receives electromagnetic waves |
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