JP6970051B2 - 反射低減装置 - Google Patents

反射低減装置 Download PDF

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Publication number
JP6970051B2
JP6970051B2 JP2018073054A JP2018073054A JP6970051B2 JP 6970051 B2 JP6970051 B2 JP 6970051B2 JP 2018073054 A JP2018073054 A JP 2018073054A JP 2018073054 A JP2018073054 A JP 2018073054A JP 6970051 B2 JP6970051 B2 JP 6970051B2
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JP
Japan
Prior art keywords
patch
conductor
wave
reflection
reduction device
Prior art date
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Active
Application number
JP2018073054A
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English (en)
Japanese (ja)
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JP2019186668A (ja
JP2019186668A5 (cg-RX-API-DMAC7.html
Inventor
一正 櫻井
俊哉 境
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to JP2018073054A priority Critical patent/JP6970051B2/ja
Priority to PCT/JP2019/014841 priority patent/WO2019194234A1/ja
Priority to CN201980021909.6A priority patent/CN111903001B/zh
Publication of JP2019186668A publication Critical patent/JP2019186668A/ja
Priority to US17/038,625 priority patent/US11336024B2/en
Publication of JP2019186668A5 publication Critical patent/JP2019186668A5/ja
Application granted granted Critical
Publication of JP6970051B2 publication Critical patent/JP6970051B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/528—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the re-radiation of a support structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H01Q15/242—Polarisation converters
    • H01Q15/246—Polarisation converters rotating the plane of polarisation of a linear polarised wave
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/065—Patch antenna array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Aerials With Secondary Devices (AREA)
  • Waveguide Aerials (AREA)
JP2018073054A 2018-04-05 2018-04-05 反射低減装置 Active JP6970051B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2018073054A JP6970051B2 (ja) 2018-04-05 2018-04-05 反射低減装置
PCT/JP2019/014841 WO2019194234A1 (ja) 2018-04-05 2019-04-03 反射低減装置
CN201980021909.6A CN111903001B (zh) 2018-04-05 2019-04-03 反射降低装置
US17/038,625 US11336024B2 (en) 2018-04-05 2020-09-30 Reflection reducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018073054A JP6970051B2 (ja) 2018-04-05 2018-04-05 反射低減装置

Publications (3)

Publication Number Publication Date
JP2019186668A JP2019186668A (ja) 2019-10-24
JP2019186668A5 JP2019186668A5 (cg-RX-API-DMAC7.html) 2020-11-26
JP6970051B2 true JP6970051B2 (ja) 2021-11-24

Family

ID=68100442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018073054A Active JP6970051B2 (ja) 2018-04-05 2018-04-05 反射低減装置

Country Status (4)

Country Link
US (1) US11336024B2 (cg-RX-API-DMAC7.html)
JP (1) JP6970051B2 (cg-RX-API-DMAC7.html)
CN (1) CN111903001B (cg-RX-API-DMAC7.html)
WO (1) WO2019194234A1 (cg-RX-API-DMAC7.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023509575A (ja) * 2020-01-08 2023-03-09 メタウェーブ コーポレーション ２次元ビームスキャニングを有するリフレクトアレイアンテナ
TWI789877B (zh) * 2021-08-19 2023-01-11 特崴光波導股份有限公司 天線結構
JP7789797B2 (ja) 2021-10-29 2025-12-22 日本たばこ産業株式会社 吸引装置、基材、及び制御方法
CN116234278B (zh) * 2021-12-06 2025-07-11 苏州大学 电磁波吸收材料、装置及波导器件

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3902192B2 (ja) * 2004-04-08 2007-04-04 英一 小川 電波偏波変換共振反射器、電波偏波変換共振反射装置、無線通信システム、金属対応無線ｉｃタグ装置、物品及びｒｆｉｄシステム
JP2009005184A (ja) * 2007-06-22 2009-01-08 Suncall Corp パッチアンテナ及びｒｆｉｄインレット
US8217847B2 (en) * 2007-09-26 2012-07-10 Raytheon Company Low loss, variable phase reflect array
JP5603907B2 (ja) 2012-08-27 2014-10-08 株式会社Ｎｔｔドコモ リフレクトアレー
EP2905840B1 (en) * 2012-10-01 2018-08-01 NTT DoCoMo, Inc. Reflect array
JP6282469B2 (ja) * 2014-01-21 2018-02-21 日本電業工作株式会社 アンテナ
CN105206940B (zh) * 2014-06-30 2018-12-14 南京理工大学 基于人工磁导体的低剖面极化扭转反射板
WO2017104754A1 (ja) * 2015-12-15 2017-06-22 株式会社日本自動車部品総合研究所 アンテナ装置
DE102015225578A1 (de) * 2015-12-17 2017-06-22 Robert Bosch Gmbh Vorrichtung zum Empfangen von Mikrowellenstrahlung
KR101766216B1 (ko) * 2016-02-05 2017-08-09 한국과학기술원 인공 자기 도체를 이용한 배열 안테나
JP6499116B2 (ja) * 2016-04-06 2019-04-10 株式会社Ｓｏｋｅｎ アンテナ装置

Also Published As

Publication number Publication date
JP2019186668A (ja) 2019-10-24
WO2019194234A1 (ja) 2019-10-10
US11336024B2 (en) 2022-05-17
CN111903001A (zh) 2020-11-06
CN111903001B (zh) 2022-06-28
US20210028551A1 (en) 2021-01-28

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