FR1094892A - Development of ultra-shortwave antennas - Google Patents

Development of ultra-shortwave antennas

Info

Publication number
FR1094892A
FR1094892A FR1094892DA FR1094892A FR 1094892 A FR1094892 A FR 1094892A FR 1094892D A FR1094892D A FR 1094892DA FR 1094892 A FR1094892 A FR 1094892A
Authority
FR
France
Prior art keywords
ultra
development
shortwave antennas
shortwave
antennas
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
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1094892A publication Critical patent/FR1094892A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
FR1094892D 1953-10-16 1953-10-16 Development of ultra-shortwave antennas Expired FR1094892A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1094892T 1953-10-16

Publications (1)

Publication Number Publication Date
FR1094892A true FR1094892A (en) 1955-05-25

Family

ID=9617254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1094892D Expired FR1094892A (en) 1953-10-16 1953-10-16 Development of ultra-shortwave antennas

Country Status (1)

Country Link
FR (1) FR1094892A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2474770A2 (en) * 1978-12-27 1981-07-31 Thomson Csf Common antenna for primary and secondary radar - uses totally integrated radiating waveguides generating linearly, circularly or elliptically polarised waves
EP0033676A1 (en) * 1980-01-28 1981-08-12 Thomson-Csf Common antenna for primary radar and secondary radar

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2474770A2 (en) * 1978-12-27 1981-07-31 Thomson Csf Common antenna for primary and secondary radar - uses totally integrated radiating waveguides generating linearly, circularly or elliptically polarised waves
EP0033676A1 (en) * 1980-01-28 1981-08-12 Thomson-Csf Common antenna for primary radar and secondary radar

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