JP2018170561A5 - - Google Patents
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- JP2018170561A5 JP2018170561A5 JP2017064781A JP2017064781A JP2018170561A5 JP 2018170561 A5 JP2018170561 A5 JP 2018170561A5 JP 2017064781 A JP2017064781 A JP 2017064781A JP 2017064781 A JP2017064781 A JP 2017064781A JP 2018170561 A5 JP2018170561 A5 JP 2018170561A5
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Description
（１）請求項１に記載の発明では、地導体板と、少なくとも１の開放端を有する第１線状アンテナと、少なくとも１の開放端を有し、当該開放端側と前記第１線状アンテナの開放端側とが所定間隔で、前記第１線状アンテナとほぼ直交状態に配設され、円偏波を実現する周波数において、前記第１線状アンテナとの位相差が実質π／２となる第２線状アンテナと、前記第１線状アンテナの前記開放端側、及び前記第２線状アンテナの前記開放端側のそれぞれと、所定間隔をおいて対向配置されることで、前記第１線状アンテナ及び前記第２線状アンテナに電磁的に接続されるＥＭ給電部と、前記ＥＭ給電部と電気的に接続され、前記ＥＭ給電部を介して前記第１線状アンテナ及び前記第２線状アンテナに給電する給電ラインと、を具備し、前記第１線状アンテナと前記第２線状アンテナは、前記地導体板の外縁に沿って前記地導体板の外側に配設されている、ことを特徴とする円偏波アンテナを提供する。
（２）請求項２に記載の発明では、前記第１線状アンテナは、逆Ｆアンテナ、逆Ｌアンテナ、及び、ダイポールアンテナのうちの何れか１のアンテナであり、前記第２線状アンテナは、逆Ｆアンテナ、逆Ｌアンテナ、及び、ダイポールアンテナのうちの何れか１のアンテナであり、前記逆Ｆアンテナは、前記地導体板の端面とほぼ平行に配設され、開放端側が前記ＥＭ給電部と対向配置されるアンテナ主部と、前記アンテナ主部の前記開放端側の反対側端部と前記地導体板とを短絡する第１短絡部と、前記アンテナ主部の前記第１短絡部よりも開放側において、前記アンテナ主部と前記地導体板とを短絡する第２短絡部とを有し、前記逆Ｌアンテナは、前記地導体板の端面とほぼ平行に配設され、前記開放端側が前記ＥＭ給電部と対向配置されるアンテナ主部と、前記アンテナ主部の前記開放端側の反対側端部と前記地導体板とを短絡する第１短絡部とを有する、ことを特徴とする請求項１に記載の円偏波アンテナを提供する。
（３）請求項３に記載の発明では、前記第２線状アンテナは、前記第１線状アンテナとは異なる種類のアンテナである、ことを特徴とする請求項２に記載の円偏波アンテナを提供する。
（４）請求項４に記載の発明では、前記ＥＭ給電部は、前記第１線状アンテナの前記開放端側端部の側面、及び前記第２線状アンテナの前記開放端側端部の側面と所定間隔をおいて対向配置されている、ことを特徴とする請求項１、請求項２、又は請求項３に記載の円偏波アンテナを提供する。
（５）請求項５に記載の発明では、前記第１線状アンテナの前記開放端側の端部と、前記第２線状アンテナの開放端側の端部とは、互いに同一線上に、又は互いに平行に配置されている、ことを特徴とする請求項４に記載の円偏波アンテナを提供する。
（６）請求項６に記載の発明では、前記地導体板は、中央領域が切り取られている、ことを特徴とする請求項１に記載の円偏波アンテナ。
（７）請求項７に記載の発明では、当該円偏波アンテナにおける円偏波の共振周波数ｆに対し、前記第１線状アンテナの共振周波数ｆ１と前記第２線状アンテナの共振周波数ｆ２の差δが、０．０７ｆ〜０．１３ｆである、ことを特徴とする請求項１から請求項６のうちのいずれか１の請求項に記載の円偏波アンテナを提供する。
（８）請求項８に記載の発明では、前記円偏波の共振周波数ｆがｆ＝２．４４ＧＨｚで、前記第１線状アンテナの共振周波数ｆ１がｆ１＝２．３１ＧＨｚ、前記第２線状アンテナの共振周波数ｆ２がｆ２＝２．５５ＧＨｚである、ことを特徴とする請求項１から請求項７のうちのいずれか１の請求項に記載の円偏波アンテナを提供する。
（９）請求項９に記載の発明では、高比誘電体基板を備え、前記第１線状アンテナと前記第２線状アンテナは、前記高比誘電体基板上に形成されている、ことを特徴とする請求項１から請求項８のうちのいずれか１の請求項に記載の円偏波アンテナを提供する。
（１０）請求項１０に記載の発明では、前記第１線状アンテナ、前記第２線状アンテナ、及び前記ＥＭ給電部のそれぞれは、互いにビア接続された複数層で形成されている、ことを特徴とする請求項１から請求項９のうちのいずれか１の請求項に記載の円偏波アンテナを提供する。
（１１）請求項１１に記載の発明では、前記第１線状アンテナ及び前記第２線状アンテナは、アンテナエレメント部分の形状が、直線形状、ミアンダ形状、ヘリカル形状、又は、先端折れ曲げ形状、である、ことを特徴とする請求項１から請求項１０のうちのいずれか１の請求項に記載の円偏波アンテナを提供する。
(1) In invention of Claim 1, it has a grounding conductor board, the 1st linear antenna which has at least 1 open end, and at least 1 open end, The said open end side and said 1st linear A phase difference from the first linear antenna is substantially π / 2 at a frequency that is arranged at a predetermined interval from the open end side of the antenna and substantially orthogonal to the first linear antenna to achieve circular polarization. The second linear antenna, and the open end side of the first linear antenna, and the open end side of the second linear antenna, respectively, with a predetermined distance therebetween, An EM feeder that is electromagnetically connected to the first linear antenna and the second linear antenna, and an EM feeder that is electrically connected to the first linear antenna, and the first linear antenna and the EM feeder via the EM feeder. comprising a feed line for feeding the second linear antennas, the pre Wherein the first linear antenna second linear antennas, along the outer edge of the ground conductor plate are disposed outside of the ground conductor plate, to provide a circularly polarized antenna, characterized in that.
(2) In the invention according to claim 2, the first linear antenna is any one of an inverted F antenna, an inverted L antenna, and a dipole antenna, and the second linear antenna is , An inverted F antenna, an inverted L antenna, and a dipole antenna, and the inverted F antenna is disposed substantially in parallel with the end surface of the ground conductor plate, and the open end side is the EM feed. An antenna main portion disposed opposite to the antenna portion, a first short-circuit portion that short-circuits the opposite end portion of the antenna main portion on the open end side and the ground conductor plate, and the first short-circuit portion of the antenna main portion. in the open side of, have a second short-circuit portion for short-circuiting and the ground conductor plate and the antenna main portion, the inverted L antenna is disposed substantially parallel to the end surface of the ground conductor plate, the open The end side is placed opposite to the EM feeder. That the antenna main portion, circularly polarized according to claim 1, wherein the opposite end of the open end of the antenna main portion and having a first short-circuit portion for short-circuiting the said ground conductor plate, characterized in that Provide a wave antenna.
(3) In the invention described in claim 3, the circularly polarized antenna according to claim 2, wherein the second linear antenna is a different type of antenna from the first linear antenna. I will provide a.
(4) In the invention described in claim 4, the EM feeding portion includes a side surface of the open end side end portion of the first linear antenna and a side surface of the open end side end portion of the second linear antenna. The circularly polarized antenna according to claim 1, 2, or 3 is provided so as to be opposed to each other with a predetermined interval.
(5) In the invention described in claim 5, the open end side end of the first linear antenna and the open end side end of the second linear antenna are on the same line, or The circularly polarized wave antenna according to claim 4, wherein the circularly polarized wave antennas are arranged in parallel to each other.
(6) In the invention described in claim 6, the circularly polarized antenna according to claim 1, wherein a center region of the ground conductor plate is cut off.
( 7 ) In the invention according to claim 7 , the resonance frequency f1 of the first linear antenna and the resonance frequency f2 of the second linear antenna with respect to the resonance frequency f of the circular polarization in the circular polarization antenna. the difference δ is a 0.07F～0.13F, provides a circularly polarized antenna as claimed in any one of claims of claim 6, characterized in that.
(8) In the invention described in claim 8, the resonance frequency f of the circularly polarized wave is f = 2.44 GHz, the resonance frequency f1 of the first linear antenna is f1 = 2.31 GHz, and the second linear shape. The circularly polarized antenna according to any one of claims 1 to 7, wherein the resonance frequency f2 of the antenna is f2 = 2.55 GHz.
(9) The invention according to claim 9, further comprising a high relative dielectric substrate, wherein the first linear antenna and the second linear antenna are formed on the high relative dielectric substrate. A circularly polarized antenna according to any one of claims 1 to 8 is provided.
(10) In the invention described in claim 10, each of the first linear antenna, the second linear antenna, and the EM feeder is formed of a plurality of layers connected to each other via. A circularly polarized antenna according to any one of claims 1 to 9 is provided.
(11) In the invention according to claim 11, in the first linear antenna and the second linear antenna, the shape of the antenna element portion is a linear shape, a meander shape, a helical shape, or a bent end shape, The circularly polarized antenna according to any one of claims 1 to 10 is provided.
Claims (11)
少なくとも１の開放端を有する第１線状アンテナと、
少なくとも１の開放端を有し、当該開放端側と前記第１線状アンテナの開放端側とが所定間隔で、前記第１線状アンテナとほぼ直交状態に配設され、円偏波を実現する周波数において、前記第１線状アンテナとの位相差が実質π／２となる第２線状アンテナと、
前記第１線状アンテナの前記開放端側、及び前記第２線状アンテナの前記開放端側のそれぞれと、所定間隔をおいて対向配置されることで、前記第１線状アンテナ及び前記第２線状アンテナに電磁的に接続されるＥＭ給電部と、
前記ＥＭ給電部と電気的に接続され、前記ＥＭ給電部を介して前記第１線状アンテナ及び前記第２線状アンテナに給電する給電ラインと、を具備し、
前記第１線状アンテナと前記第２線状アンテナは、前記地導体板の外縁に沿って前記地導体板の外側に配設されている、
ことを特徴とする円偏波アンテナ。 A ground conductor plate,
A first linear antenna having at least one open end;
It has at least one open end, and the open end side and the open end side of the first linear antenna are arranged at a predetermined interval and substantially orthogonal to the first linear antenna, thereby realizing circular polarization. A second linear antenna having a phase difference of substantially π / 2 with respect to the first linear antenna at a frequency of
The first linear antenna and the second linear antenna are disposed opposite to each of the open end side of the first linear antenna and the open end side of the second linear antenna at a predetermined interval. An EM feeder that is electromagnetically connected to the linear antenna;
A power supply line electrically connected to the EM power supply unit and supplying power to the first linear antenna and the second linear antenna through the EM power supply unit ,
The first linear antenna and the second linear antenna are disposed outside the ground conductor plate along an outer edge of the ground conductor plate.
A circularly polarized antenna characterized by that.
前記第２線状アンテナは、逆Ｆアンテナ、逆Ｌアンテナ、及び、ダイポールアンテナのうちの何れか１のアンテナであり、
前記逆Ｆアンテナは、前記地導体板の端面とほぼ平行に配設され、開放端側が前記ＥＭ給電部と対向配置されるアンテナ主部と、前記アンテナ主部の前記開放端側の反対側端部と前記地導体板とを短絡する第１短絡部と、前記アンテナ主部の前記第１短絡部よりも開放側において、前記アンテナ主部と前記地導体板とを短絡する第２短絡部とを有し、
前記逆Ｌアンテナは、前記地導体板の端面とほぼ平行に配設され、前記開放端側が前記ＥＭ給電部と対向配置されるアンテナ主部と、前記アンテナ主部の前記開放端側の反対側端部と前記地導体板とを短絡する第１短絡部とを有する、
ことを特徴とする請求項１に記載の円偏波アンテナ。 The first linear antenna is an antenna of any one of an inverted F antenna, an inverted L antenna, and a dipole antenna;
The second linear antenna is any one of an inverted F antenna, an inverted L antenna, and a dipole antenna;
The inverted F antenna is disposed substantially parallel to the end surface of the ground conductor plate, and has an antenna main portion whose open end side is disposed opposite to the EM feeding portion, and an end opposite to the open end side of the antenna main portion. A first short-circuit portion that short-circuits the antenna main portion and the ground conductor plate, and a second short-circuit portion that short-circuits the antenna main portion and the ground conductor plate on the open side of the antenna main portion relative to the first short-circuit portion. I have a,
The inverted L antenna is disposed substantially in parallel with the end surface of the ground conductor plate, the antenna main portion having the open end facing the EM feeding portion, and the opposite side of the antenna main portion to the open end side A first short-circuit portion that short-circuits the end portion and the ground conductor plate;
The circularly polarized antenna according to claim 1.
ことを特徴とする請求項２に記載の円偏波アンテナ。The circularly polarized antenna according to claim 2.
ことを特徴とする請求項１、請求項２、又は請求項３に記載の円偏波アンテナ。The circularly polarized antenna according to claim 1, claim 2, or claim 3.
ことを特徴とする請求項４に記載の円偏波アンテナ。The circularly polarized antenna according to claim 4.
ことを特徴とする請求項１に記載の円偏波アンテナ。The circularly polarized antenna according to claim 1.
ことを特徴とする請求項１から請求項６のうちのいずれか１の請求項に記載の円偏波アンテナ。 The difference δ between the resonance frequency f1 of the first linear antenna and the resonance frequency f2 of the second linear antenna is 0.07f to 0.13f with respect to the resonance frequency f of the circular polarization in the circular polarization antenna. is there,
Circularly polarized antenna as claimed in any one of claims of claim 6, characterized in that.
ことを特徴とする請求項１から請求項７のうちのいずれか１の請求項に記載の円偏波アンテナ。 The resonance frequency f of the circular polarization is f = 2.44 GHz, the resonance frequency f1 of the first linear antenna is f1 = 2.31 GHz, and the resonance frequency f2 of the second linear antenna is f2 = 2.55 GHz. is there,
The circularly polarized antenna according to any one of claims 1 to 7, characterized in that
前記第１線状アンテナと前記第２線状アンテナは、前記高比誘電体基板上に形成されている、
ことを特徴とする請求項１から請求項８のうちのいずれか１の請求項に記載の円偏波アンテナ。 Equipped with a high dielectric substrate,
The first linear antenna and the second linear antenna are formed on the high relative dielectric substrate,
The circularly polarized wave antenna according to any one of claims 1 to 8, wherein the circularly polarized wave antenna is characterized.
ことを特徴とする請求項１から請求項９のうちのいずれか１の請求項に記載の円偏波アンテナ。 Each of the first linear antenna, the second linear antenna, and the EM feeder is formed of a plurality of layers that are connected to each other via.
The circularly polarized wave antenna according to any one of claims 1 to 9, wherein the circularly polarized antenna is provided.
ことを特徴とする請求項１から請求項１０のうちのいずれか１の請求項に記載の円偏波アンテナ。 In the first linear antenna and the second linear antenna, the shape of the antenna element portion is a linear shape, a meander shape, a helical shape, or a bent end shape,
The circularly polarized wave antenna according to any one of claims 1 to 10, wherein the antenna is a circularly polarized wave antenna.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017064781A JP6678617B2 (en) | 2017-03-29 | 2017-03-29 | Circularly polarized antenna |
| PCT/JP2018/011372 WO2018180875A1 (en) | 2017-03-29 | 2018-03-22 | Circular polarization antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017064781A JP6678617B2 (en) | 2017-03-29 | 2017-03-29 | Circularly polarized antenna |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018170561A JP2018170561A (en) | 2018-11-01 |
| JP2018170561A5 true JP2018170561A5 (en) | 2018-12-13 |
| JP6678617B2 JP6678617B2 (en) | 2020-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017064781A Active JP6678617B2 (en) | 2017-03-29 | 2017-03-29 | Circularly polarized antenna |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6678617B2 (en) |
| WO (1) | WO2018180875A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546320B (en) * | 2018-11-15 | 2020-05-05 | 南京尤圣美电子科技有限公司 | Handheld terminal omnidirectional circularly polarized antenna |
| DE202019100718U1 (en) | 2019-02-08 | 2020-05-11 | Sick Ag | Antenna for an RFID reader |
| DE102019103102B4 (en) | 2019-02-08 | 2021-09-30 | Sick Ag | Antenna for an RFID reader and method for identifying a role |
| EP4160821A1 (en) | 2020-05-28 | 2023-04-05 | Guangdong Genius Technology Co., Ltd. | Single-frequency circular polarization positioning antenna and wearable device |
| CN111478055A (en) * | 2020-05-28 | 2020-07-31 | 广东小天才科技有限公司 | Single-frequency circularly polarized positioning antenna and wearable equipment |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3169325B2 (en) * | 1995-08-14 | 2001-05-21 | 東洋通信機株式会社 | Array antenna |
| JPH11239020A (en) * | 1997-04-18 | 1999-08-31 | Murata Mfg Co Ltd | Circular polarizing antenna and radio device using same |
| JP4263820B2 (en) * | 1999-10-21 | 2009-05-13 | 株式会社ヨコオ | Flat antenna for circular polarization |
| JP4278534B2 (en) * | 2004-02-19 | 2009-06-17 | 富士通テン株式会社 | Circularly polarized antenna, antenna device, and processing device |
| JP2007159064A (en) * | 2005-12-08 | 2007-06-21 | Sony Corp | Antenna, radio device using same and electronic apparatus |
| EP2204882B1 (en) * | 2006-01-19 | 2020-04-22 | Murata Manufacturing Co., Ltd. | Wireless IC device |
| JP2008278219A (en) * | 2007-04-27 | 2008-11-13 | Toshiba Corp | Antenna device |
| US7532164B1 (en) * | 2007-05-16 | 2009-05-12 | Motorola, Inc. | Circular polarized antenna |
| JP2009076960A (en) * | 2007-09-18 | 2009-04-09 | Samsung Electronics Co Ltd | Antenna system |
| JP2011082951A (en) * | 2009-09-14 | 2011-04-21 | Nagasaki Univ | Inverse-l shaped antenna |
-
2017
- 2017-03-29 JP JP2017064781A patent/JP6678617B2/en active Active
-
2018
- 2018-03-22 WO PCT/JP2018/011372 patent/WO2018180875A1/en active Application Filing
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