CA1202414A - Antenna having isotropic electro-conductivity characteristic - Google Patents

Antenna having isotropic electro-conductivity characteristic

Info

Publication number
CA1202414A
CA1202414A CA000439011A CA439011A CA1202414A CA 1202414 A CA1202414 A CA 1202414A CA 000439011 A CA000439011 A CA 000439011A CA 439011 A CA439011 A CA 439011A CA 1202414 A CA1202414 A CA 1202414A
Authority
CA
Canada
Prior art keywords
antenna
resin
fibers
carbon fibers
short carbon
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.)
Expired
Application number
CA000439011A
Other languages
English (en)
French (fr)
Inventor
Kazuharu Shimizu
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Application granted granted Critical
Publication of CA1202414A publication Critical patent/CA1202414A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • 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
    • H01Q1/364—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor
    • H01Q1/368—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor using carbon or carbon composite
    • 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
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/141—Apparatus or processes specially adapted for manufacturing reflecting surfaces
    • H01Q15/142—Apparatus or processes specially adapted for manufacturing reflecting surfaces using insulating material for supporting the reflecting surface
    • 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
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Reinforced Plastic Materials (AREA)
CA000439011A 1982-10-15 1983-10-14 Antenna having isotropic electro-conductivity characteristic Expired CA1202414A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57179735A JPS5970005A (ja) 1982-10-15 1982-10-15 アンテナ
JP57-179735 1982-10-15

Publications (1)

Publication Number Publication Date
CA1202414A true CA1202414A (en) 1986-03-25

Family

ID=16070947

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000439011A Expired CA1202414A (en) 1982-10-15 1983-10-14 Antenna having isotropic electro-conductivity characteristic

Country Status (5)

Country Link
EP (1) EP0109186B1 (ko)
JP (1) JPS5970005A (ko)
KR (1) KR910008947B1 (ko)
CA (1) CA1202414A (ko)
DE (1) DE3375259D1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985003A (ja) * 1982-11-05 1984-05-16 新井　元之助 道路のジョイント
US4647329A (en) * 1984-09-27 1987-03-03 Toyo Kasei Kogyo Kabushiki Kaisha Manufacture of parabolic antennas
FR2597663B1 (fr) * 1986-04-17 1989-02-10 Capron Michel Antenne parabolique et procede pour sa realisation
DE4018452A1 (de) * 1990-06-08 1991-12-19 Buettner Ag Franz Reflektor fuer elektromagnetische wellen und ein beschichtungsmaterial zu dessen herstellung
FR2741200B1 (fr) * 1995-11-15 1998-01-09 Aerazur Coupon destine a la confection d'objets flottants detectables par radar et dispositif a structure gonflable confectionne dans ce coupon
KR100723605B1 (ko) * 2006-02-14 2007-06-04 (주)하이게인안테나 편파 변환형 추적 레이더 안테나
JP4772764B2 (ja) * 2007-09-24 2011-09-14 本田技研工業株式会社 Ｓｏｈｃ型内燃機関の動弁装置
JP7225650B2 (ja) * 2018-10-03 2023-02-21 横浜ゴム株式会社 周波数選択部材およびその製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB884313A (en) * 1959-08-10 1961-12-13 Gen Electric Co Ltd Improvements in or relating to passive aerials
DE2008266A1 (de) * 1970-02-23 1971-09-09 Inst Rundfunktechnik Gmbh Flachenstrahler mit zweidimensional ge krummter Oberflache fur sehr kurze elektro magnetische Wellen, insbesondere Parabolspie gelantenne
US3716869A (en) * 1970-12-02 1973-02-13 Nasa Millimeter wave antenna system
JPS53139872A (en) * 1977-05-10 1978-12-06 Toray Industries Porous body comprising metal coated carbon fiber
GB2105913B (en) * 1979-06-28 1983-09-14 Marconi Co Ltd Improvements in or relating to antennas
DE3106506A1 (de) * 1981-02-21 1982-10-07 Bayer Ag, 5090 Leverkusen Metallisierte kohlenstoffasern und verbundwerkstoffe, die diese fasern enthalten
JPS58209202A (ja) * 1982-05-31 1983-12-06 Mitsubishi Chem Ind Ltd 電波反射性成形物およびその製造方法

Also Published As

Publication number Publication date
JPH0380362B2 (ko) 1991-12-24
KR910008947B1 (ko) 1991-10-26
JPS5970005A (ja) 1984-04-20
KR840006576A (ko) 1984-11-30
EP0109186B1 (en) 1988-01-07
EP0109186A1 (en) 1984-05-23
DE3375259D1 (en) 1988-02-11

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Legal Events

Date Code Title Description
MKEX Expiry