FR2934088B1 - QUADRIFILAR PROPELLER RADIALLY RADIALLY FOLLOWING TWO ORTHOGONAL CIRCULAR POLARIZATIONS - Google Patents

QUADRIFILAR PROPELLER RADIALLY RADIALLY FOLLOWING TWO ORTHOGONAL CIRCULAR POLARIZATIONS

Info

Publication number
FR2934088B1
FR2934088B1 FR0804121A FR0804121A FR2934088B1 FR 2934088 B1 FR2934088 B1 FR 2934088B1 FR 0804121 A FR0804121 A FR 0804121A FR 0804121 A FR0804121 A FR 0804121A FR 2934088 B1 FR2934088 B1 FR 2934088B1
Authority
FR
France
Prior art keywords
radially
quadrifilar
propeller
following
circular polarizations
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 - Fee Related
Application number
FR0804121A
Other languages
French (fr)
Other versions
FR2934088A1 (en
Inventor
Christian Renard
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
Thales 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 Thales SA filed Critical Thales SA
Priority to FR0804121A priority Critical patent/FR2934088B1/en
Publication of FR2934088A1 publication Critical patent/FR2934088A1/en
Application granted granted Critical
Publication of FR2934088B1 publication Critical patent/FR2934088B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • 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
    • H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
    • 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
    • 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
FR0804121A 2008-07-18 2008-07-18 QUADRIFILAR PROPELLER RADIALLY RADIALLY FOLLOWING TWO ORTHOGONAL CIRCULAR POLARIZATIONS Expired - Fee Related FR2934088B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0804121A FR2934088B1 (en) 2008-07-18 2008-07-18 QUADRIFILAR PROPELLER RADIALLY RADIALLY FOLLOWING TWO ORTHOGONAL CIRCULAR POLARIZATIONS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0804121A FR2934088B1 (en) 2008-07-18 2008-07-18 QUADRIFILAR PROPELLER RADIALLY RADIALLY FOLLOWING TWO ORTHOGONAL CIRCULAR POLARIZATIONS

Publications (2)

Publication Number Publication Date
FR2934088A1 FR2934088A1 (en) 2010-01-22
FR2934088B1 true FR2934088B1 (en) 2016-03-11

Family

ID=40469783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0804121A Expired - Fee Related FR2934088B1 (en) 2008-07-18 2008-07-18 QUADRIFILAR PROPELLER RADIALLY RADIALLY FOLLOWING TWO ORTHOGONAL CIRCULAR POLARIZATIONS

Country Status (1)

Country Link
FR (1) FR2934088B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2994922C (en) 2015-08-07 2019-02-26 Nec Corporation Demultiplexer/multiplexer, antenna device, and fading elimination method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5588408A (en) * 1978-12-26 1980-07-04 Nippon Telegr & Teleph Corp <Ntt> Helical antenna
DE69320313T2 (en) * 1992-12-22 1998-12-24 Thomson Multimedia Sa Antenna system with spiral antennas
JP3892129B2 (en) * 1998-01-23 2007-03-14 松下電器産業株式会社 Portable radio
US7388559B1 (en) * 2006-12-21 2008-06-17 The Boeing Company Reflector antenna

Also Published As

Publication number Publication date
FR2934088A1 (en) 2010-01-22

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