CN111903001B - 反射降低装置 - Google Patents

反射降低装置 Download PDF

Info

Publication number
CN111903001B
CN111903001B CN201980021909.6A CN201980021909A CN111903001B CN 111903001 B CN111903001 B CN 111903001B CN 201980021909 A CN201980021909 A CN 201980021909A CN 111903001 B CN111903001 B CN 111903001B
Authority
CN
China
Prior art keywords
patch
reflection
conductor
reduction device
polarization
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.)
Active
Application number
CN201980021909.6A
Other languages
English (en)
Chinese (zh)
Other versions
CN111903001A (zh
Inventor
樱井一正
境俊哉
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
Publication of CN111903001A publication Critical patent/CN111903001A/zh
Application granted granted Critical
Publication of CN111903001B publication Critical patent/CN111903001B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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)
CN201980021909.6A 2018-04-05 2019-04-03 反射降低装置 Active CN111903001B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018073054A JP6970051B2 (ja) 2018-04-05 2018-04-05 反射低減装置
JP2018-073054 2018-04-05
PCT/JP2019/014841 WO2019194234A1 (ja) 2018-04-05 2019-04-03 反射低減装置

Publications (2)

Publication Number Publication Date
CN111903001A CN111903001A (zh) 2020-11-06
CN111903001B true CN111903001B (zh) 2022-06-28

Family

ID=68100442

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980021909.6A Active CN111903001B (zh) 2018-04-05 2019-04-03 反射降低装置

Country Status (4)

Country Link
US (1) US11336024B2 (enExample)
JP (1) JP6970051B2 (enExample)
CN (1) CN111903001B (enExample)
WO (1) WO2019194234A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4088343A4 (en) 2020-01-08 2024-01-17 Metawave Corporation REFLECTOR ANTENNA WITH TWO-DIMENSIONAL BEAM SCANNING
TWI789877B (zh) * 2021-08-19 2023-01-11 特崴光波導股份有限公司 天線結構
EP4388905A4 (en) 2021-10-29 2025-06-18 Japan Tobacco Inc. Inhalation device, base material and control method
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005303528A (ja) * 2004-04-08 2005-10-27 Hidekazu Ogawa 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
CN104685716A (zh) * 2012-10-01 2015-06-03 株式会社Ntt都科摩 反射阵列
CN106415928A (zh) * 2014-01-21 2017-02-15 日本电业工作株式会社 天线
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
CN107017456A (zh) * 2015-12-17 2017-08-04 罗伯特·博世有限公司 接收微波射线的设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005303528A (ja) * 2004-04-08 2005-10-27 Hidekazu Ogawa 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
CN104685716A (zh) * 2012-10-01 2015-06-03 株式会社Ntt都科摩 反射阵列
CN106415928A (zh) * 2014-01-21 2017-02-15 日本电业工作株式会社 天线
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
CN107017456A (zh) * 2015-12-17 2017-08-04 罗伯特·博世有限公司 接收微波射线的设备

Also Published As

Publication number Publication date
US20210028551A1 (en) 2021-01-28
JP6970051B2 (ja) 2021-11-24
WO2019194234A1 (ja) 2019-10-10
CN111903001A (zh) 2020-11-06
JP2019186668A (ja) 2019-10-24
US11336024B2 (en) 2022-05-17

Similar Documents

Publication Publication Date Title
CN111903001B (zh) 反射降低装置
US11121461B2 (en) Antenna device
JP6766180B2 (ja) アンテナアレイ内の相互結合を低減するための装置および方法
US10768275B2 (en) Antenna apparatus
CN110582706B (zh) 雷达装置
KR20190086130A (ko) 안테나 장치
JP2019158592A (ja) アンテナ装置
JP7099861B2 (ja) レーダ装置
US20220026522A1 (en) Radar device and bracket for radar device
US8836583B2 (en) Reflectarray
CN110880639A (zh) 天线装置和雷达装置
JP6705784B2 (ja) アンテナ装置
WO2018198970A1 (ja) アンテナ装置
JP2001284881A (ja) 電磁波遮蔽素子及びこれを使用した電磁波遮蔽体
JP6037761B2 (ja) アンテナ装置
JP7664747B2 (ja) 電波吸収素子および集合体
EP4664678A1 (en) Radar sensor
JP2013093710A (ja) アンテナ装置
EP4601117A1 (en) Radar sensor
JP7514736B2 (ja) アンテナ装置
CN120359667A (zh) 电波吸收装置
CN120266345A (zh) 电波吸收装置
TW202527653A (zh) 雜訊去除體
JP2015185988A (ja) アンテナ装置
KR20150055280A (ko) 캐릭터 라인에 의해 발생되는 사이드 로브를 감쇄시키기 위한 구조 시스템

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant