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1. (WO2019026378) ANTENNA
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Pub. No.:
WO/2019/026378
International Application No.:
PCT/JP2018/018107
Publication Date:
07.02.2019
International Filing Date:
10.05.2018
IPC:
H01Q 21/24
(2006.01) ,
H01Q 7/00
(2006.01)
H
ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
Q
AERIALS
21
Aerial arrays or systems
24
Combinations of aerial units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
H
ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
Q
AERIALS
7
Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Applicants:
矢崎総業株式会社 YAZAKI CORPORATION
[JP/JP]; 東京都港区三田一丁目4番28号 4-28, Mita 1-chome, Minato-ku, Tokyo 1088333, JP
Inventors:
伊藤 栄太 ITOU, Eita
; JP
山田 邦彦 YAMADA, Kunihiko
; JP
長嶋 良和 NAGASHIMA, Yoshikazu
; JP
松下 健治 MATSUSHITA, Kenji
; JP
戸羽 辰夫 TOBA, Tatsuo
; JP
Agent:
特許業務法人虎ノ門知的財産事務所 TORANOMON INTELLECTUAL PROPERTY FIRM
; 東京都千代田区霞が関三丁目8番1号 8-1, Kasumigaseki 3-chome, Chiyoda-ku, Tokyo 1000013, JP
Priority Data:
2017-149871
02.08.2017
JP
Title
(EN)
ANTENNA
(FR)
ANTENNE
(JA)
アンテナ
Abstract:
(EN)
This antenna (1) is provided with an outside conductor (10) and an inside conductor (30). In the outside conductor (10), a first linear conductor having a length that corresponds to one wavelength of a rightward circularly polarized wave is formed circularly from a first power feeding point (11) to a second power feeding point (12), and a current flows between the first power feeding point (11) and the second power feeding point (12). The inside conductor (30) is provided inside the outside conductor (10), and a starting point (31a) of a second linear conductor of the inside conductor (30) is connected to the first power feeding point (11), the second linear conductor being different from the first linear conductor and having a length based on one wavelength of a leftward circularly polarized wave. Moreover, an ending point (31b) of the second linear conductor of the inside conductor (30) is located inside the outside conductor (10) in an unconnected state, and is formed so that a current flows therein in the direction opposite that of the outside conductor (10). According to this configuration, the antenna (1) can favorably receive circularly polarized waves to be received.
(FR)
L'invention concerne une antenne (1) comprenant un conducteur extérieur (10) et d'un conducteur intérieur (30). Dans le conducteur extérieur (10), un premier conducteur linéaire ayant une longueur qui correspond à une longueur d'onde d'une onde à polarisation circulaire droite est formé de manière circulaire à partir d'un premier point d'alimentation électrique (11) à un second point d'alimentation électrique (12), et un courant circule entre le premier point d'alimentation électrique (11) et le second point d'alimentation électrique (12). Le conducteur intérieur (30) est disposé à l'intérieur du conducteur extérieur (10), et un point de départ (31a) d'un second conducteur linéaire du conducteur intérieur (30) est relié au premier point d'alimentation électrique (11), le second conducteur linéaire étant différent du premier conducteur linéaire et ayant une longueur sur la base d'une longueur d'onde d'une onde à polarisation circulaire gauche. De plus, un point d'arrivée (31b) du second conducteur linéaire du conducteur intérieur (30) est situé à l'intérieur du conducteur extérieur (10) dans un état non connecté, et est formé de telle sorte qu'un courant circule dans celui-ci dans la direction opposée à celle du conducteur extérieur (10). Selon cette configuration, l'antenne (1) peut favorablement recevoir des ondes à polarisation circulaire à recevoir.
(JA)
アンテナ(1)は、外側導体(10)と、内側導体(30)とを備える。外側導体(10)は、右旋円偏波の1波長に相当する長さから成る第1線状導体が第1給電点(11)から第2給電点(12)に渡って円形状に形成され、第1給電点(11)と第2給電点(12)との間で電流が流れる。内側導体(30)は、外側導体(10)の内側に設けられ、左旋円偏波の1波長に基づく長さから成る、第1線状導体とは異なる第2線状導体の始点(31a)が第1給電点(11)に接続される。そして、内側導体(30)は、第2線状導体の終点(31b)が非接続状態で外側導体(10)の内側に位置し、外側導体(10)とは逆向きに電流が流れるように形成される。この構成により、アンテナ(1)は、受信対象の円偏波を良好に受信することができる。
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)