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1. WO2022114161 - ON-BOARD ANTENNA DEVICE

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Publication Number WO/2022/114161
Publication Date 02.06.2022
International Application No. PCT/JP2021/043509
International Filing Date 26.11.2021
IPC
H01Q 1/32 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
27Adaptation for use in or on movable bodies
32Adaptation for use in or on road or rail vehicles
B60R 11/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
11Arrangements for holding or mounting articles, not otherwise provided for
02for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
H01Q 1/52 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
H01Q 21/24 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
21Antenna arrays or systems
24Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
H01Q 21/30 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
21Antenna arrays or systems
30Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
CPC
B60R 11/02
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
11Arrangements for holding or mounting articles, not otherwise provided for
02for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
H01Q 1/32
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
27Adaptation for use in or on movable bodies
32Adaptation for use in or on road or rail vehicles
H01Q 1/52
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
H01Q 21/24
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
21Antenna arrays or systems
24Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
H01Q 21/30
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
21Antenna arrays or systems
30Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
Applicants
  • 株式会社ヨコオ YOKOWO CO., LTD. [JP]/[JP]
Inventors
  • 寺下　典孝 TERASHITA Noritaka
  • 小野　元久 ONO Motohisa
  • 星　智広 HOSHI Tomohiro
  • 横田　勇介 YOKOTA Yusuke
  • 岩崎　聖 IWASAKI Satoshi
Agents
  • 速水　進治 HAYAMI Shinji
  • 天城　聡 AMAGI Satoshi
Priority Data
2020-19686827.11.2020JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) ON-BOARD ANTENNA DEVICE
(FR) DISPOSITIF D'ANTENNE EMBARQUÉ
(JA) 車載用アンテナ装置
front page image
Abstract
(EN) To ensure isolation between multiple antenna elements disposed within a narrow space while also reducing the size of an on-board antenna device, this on-board antenna device (100) comprises: an antenna case (101); a base (102) that forms an accommodation space together with the antenna case (101); and a first antenna element (122) and a second antenna element (123) that are accommodated in the accommodation space. The first antenna element (122) and the second antenna element (123) at least transmit or receive radio waves of different frequency bands. The first antenna element (122) has, in at least a portion thereof, a meandering shape in a first direction that intersects a polarized wave of a radio wave transmitted or received by the second antenna element (123).
(FR) Pour assurer l'isolation entre de multiples éléments d'antenne disposés dans un espace exigu, tout en réduisant également la taille d'un dispositif d'antenne embarqué, l'invention concerne un dispositif d'antenne embarqué (100) comprenant : un boîtier d'antenne (101) ; une base (102) qui forme un espace de réception conjointement avec le boîtier d'antenne (101) ; et un premier élément d'antenne (122) et un second élément d'antenne (123) qui sont logés dans l'espace de réception. Le premier élément d'antenne (122) et le second élément d'antenne (123) émettent ou reçoivent au moins des ondes radio de différentes bandes de fréquence. Le premier élément d'antenne (122) présente, dans au moins l'une de ses parties, une forme sinueuse dans une première direction qui coupe une onde polarisée d'une onde radio émise ou reçue par le second élément d'antenne (123).
(JA) 車載アンテナ装置を小型化しつつ、狭い空間内に配置した複数のアンテナエレメント同士のアイソレーションを確保するために、車載アンテナ装置（１００）は、アンテナケース（１０１）と、アンテナケース（１０１）とともに収容空間を形成するベース（１０２）と、収容空間に収容される、第１アンテナエレメント（１２２）及び第２アンテナエレメント（１２３）を備える。第１アンテナエレメント（１２２）と第２アンテナエレメント（１２３）とは、異なる周波数帯の電波を、少なくとも送信又は受信する。第１アンテナエレメント（１２２）は、第２アンテナエレメント（１２３）が送信又は受信する電波の偏波に交差する第１の方向のミアンダ形状を少なくとも一部に有する。
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