CA3250323A1 - RADIO WAVE REFLECTOR AND BUILDING MATERIAL - Google Patents

RADIO WAVE REFLECTOR AND BUILDING MATERIAL

Info

Publication number
CA3250323A1
CA3250323A1 CA3250323A CA3250323A CA3250323A1 CA 3250323 A1 CA3250323 A1 CA 3250323A1 CA 3250323 A CA3250323 A CA 3250323A CA 3250323 A CA3250323 A CA 3250323A CA 3250323 A1 CA3250323 A1 CA 3250323A1
Authority
CA
Canada
Prior art keywords
radio wave
wave reflector
layer
less
thin film
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.)
Pending
Application number
CA3250323A
Other languages
English (en)
French (fr)
Inventor
Hiroyuki NOMOTO
Original Assignee
Sekisui Chemical Co Ltd
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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Publication of CA3250323A1 publication Critical patent/CA3250323A1/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14Reflecting surfaces; Equivalent structures
    • H01Q15/16Reflecting surfaces; Equivalent structures curved in two dimensions [2D], e.g. paraboloidal
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/007Details of, or arrangements associated with, antennas specially adapted for indoor communication
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/44Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0013Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
    • H01Q15/0046Theoretical analysis and design methods of such selective devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0086Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14Reflecting surfaces; Equivalent structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/104Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Aerials With Secondary Devices (AREA)
CA3250323A 2022-02-01 2022-12-23 RADIO WAVE REFLECTOR AND BUILDING MATERIAL Pending CA3250323A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022-014485 2022-02-01
JP2022014485 2022-02-01
PCT/JP2022/047520 WO2023149122A1 (ja) 2022-02-01 2022-12-23 電波反射体、および建築材料

Publications (1)

Publication Number Publication Date
CA3250323A1 true CA3250323A1 (en) 2025-07-09

Family

ID=87552255

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3250323A Pending CA3250323A1 (en) 2022-02-01 2022-12-23 RADIO WAVE REFLECTOR AND BUILDING MATERIAL

Country Status (8)

Country Link
US (1) US20250125532A1 (https=)
EP (1) EP4475340A4 (https=)
JP (1) JPWO2023149122A1 (https=)
KR (1) KR20240144895A (https=)
CN (1) CN118661338A (https=)
CA (1) CA3250323A1 (https=)
TW (1) TW202335368A (https=)
WO (1) WO2023149122A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2919928B2 (es) * 2021-01-27 2023-04-25 Univ Valencia Politecnica Reflector para ondas milimetricas
WO2025094947A1 (ja) * 2023-10-31 2025-05-08 積水化学工業株式会社 電磁波散乱体

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55118514U (https=) * 1979-02-15 1980-08-21
JPS61152104A (ja) * 1984-12-25 1986-07-10 Bridgestone Corp 電磁波反射体
JP5308897B2 (ja) 2009-04-21 2013-10-09 株式会社エヌ・ティ・ティ・ドコモ 屋内移動通信システム
JP5260419B2 (ja) * 2009-06-29 2013-08-14 電気興業株式会社 アンテナ
JP2020141338A (ja) * 2019-02-28 2020-09-03 日本ゼオン株式会社 標示用シート、並びに、標示構造およびその施工方法
CN210576470U (zh) * 2019-11-29 2020-05-19 广州方邦电子股份有限公司 电磁反射膜
EP4287405A4 (en) * 2021-01-29 2024-12-25 Sekisui Chemical Co., Ltd. STRUCTURE AND CONSTRUCTION MATERIAL

Also Published As

Publication number Publication date
WO2023149122A1 (ja) 2023-08-10
TW202335368A (zh) 2023-09-01
CN118661338A (zh) 2024-09-17
KR20240144895A (ko) 2024-10-04
JPWO2023149122A1 (https=) 2023-08-10
US20250125532A1 (en) 2025-04-17
EP4475340A4 (en) 2026-01-14
EP4475340A1 (en) 2024-12-11

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