FR1120672A - Antennes omnidirectionnelles à polarisation horizontale pour ultra-hautes fréquences - Google Patents

Antennes omnidirectionnelles à polarisation horizontale pour ultra-hautes fréquences

Info

Publication number
FR1120672A
FR1120672A FR1120672DA FR1120672A FR 1120672 A FR1120672 A FR 1120672A FR 1120672D A FR1120672D A FR 1120672DA FR 1120672 A FR1120672 A FR 1120672A
Authority
FR
France
Prior art keywords
ultra
high frequencies
horizontally polarized
polarized antennas
omnidirectional horizontally
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
Other languages
English (en)
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
CSF Compagnie Generale de Telegraphie sans Fil 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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR1120672A publication Critical patent/FR1120672A/fr
Expired legal-status Critical Current

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
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H01Q15/12—Refracting or diffracting devices, e.g. lens, prism functioning also as polarisation filter
    • 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
    • H01Q15/244—Polarisation converters converting a linear polarised wave into a circular polarised wave
FR1120672D 1955-01-27 1955-01-27 Antennes omnidirectionnelles à polarisation horizontale pour ultra-hautes fréquences Expired FR1120672A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1120672T 1955-01-27

Publications (1)

Publication Number Publication Date
FR1120672A true FR1120672A (fr) 1956-07-10

Family

ID=9631616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1120672D Expired FR1120672A (fr) 1955-01-27 1955-01-27 Antennes omnidirectionnelles à polarisation horizontale pour ultra-hautes fréquences

Country Status (1)

Country Link
FR (1) FR1120672A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031664A (en) * 1959-10-01 1962-04-24 Marconi Wireless Telegraph Co Polarisation screen and filter for radio waves
US3252161A (en) * 1961-05-10 1966-05-17 Siemens Ag Insulated tubular tower with metallic stiffeners for supporting plural dipoles internally thereof with minimum interference

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031664A (en) * 1959-10-01 1962-04-24 Marconi Wireless Telegraph Co Polarisation screen and filter for radio waves
US3252161A (en) * 1961-05-10 1966-05-17 Siemens Ag Insulated tubular tower with metallic stiffeners for supporting plural dipoles internally thereof with minimum interference

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