FR2186744B1 - - Google Patents

Info

Publication number
FR2186744B1
FR2186744B1 FR7031675A FR7031675A FR2186744B1 FR 2186744 B1 FR2186744 B1 FR 2186744B1 FR 7031675 A FR7031675 A FR 7031675A FR 7031675 A FR7031675 A FR 7031675A FR 2186744 B1 FR2186744 B1 FR 2186744B1
Authority
FR
France
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
FR7031675A
Other languages
French (fr)
Other versions
FR2186744A1 (https=
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.)
Thales SA
Original Assignee
Dassault Electronique SA
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 Dassault Electronique SA filed Critical Dassault Electronique SA
Priority to FR7031675A priority Critical patent/FR2186744B1/fr
Publication of FR2186744A1 publication Critical patent/FR2186744A1/fr
Application granted granted Critical
Publication of FR2186744B1 publication Critical patent/FR2186744B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations 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
    • H01Q19/18—Combinations 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 having two or more spaced reflecting surfaces
    • H01Q19/19—Combinations 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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • H01Q19/195—Combinations 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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein a reflecting surface acts also as a polarisation filter or a polarising device
    • 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 [2D], e.g. paraboloidal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR7031675A 1970-08-31 1970-08-31 Expired FR2186744B1 (https=)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7031675A FR2186744B1 (https=) 1970-08-31 1970-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7031675A FR2186744B1 (https=) 1970-08-31 1970-08-31

Publications (2)

Publication Number Publication Date
FR2186744A1 FR2186744A1 (https=) 1974-01-11
FR2186744B1 true FR2186744B1 (https=) 1974-10-31

Family

ID=9060742

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7031675A Expired FR2186744B1 (https=) 1970-08-31 1970-08-31

Country Status (1)

Country Link
FR (1) FR2186744B1 (https=)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB891712A (en) * 1957-09-20 1962-03-14 English Electric Co Ltd Improvements in and relating to combined plastic and metallic structures
FR1213871A (fr) * 1958-10-31 1960-04-05 Thomson Houston Comp Francaise Perfectionnements aux antennes fonctionnant en hyperfréquences

Also Published As

Publication number Publication date
FR2186744A1 (https=) 1974-01-11

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Legal Events

Date Code Title Description
ST Notification of lapse