FR1570700A - - Google Patents

Info

Publication number
FR1570700A
FR1570700A FR1570700DA FR1570700A FR 1570700 A FR1570700 A FR 1570700A FR 1570700D A FR1570700D A FR 1570700DA FR 1570700 A FR1570700 A FR 1570700A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1570700A publication Critical patent/FR1570700A/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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
FR1570700D 1968-04-24 1968-04-24 Expired FR1570700A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR149288 1968-04-24

Publications (1)

Publication Number Publication Date
FR1570700A true FR1570700A (ko) 1969-06-13

Family

ID=8649355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1570700D Expired FR1570700A (ko) 1968-04-24 1968-04-24

Country Status (1)

Country Link
FR (1) FR1570700A (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002902A1 (fr) * 1979-06-11 1980-12-24 Microondes Int Soc Ind Dispositifs rayonnants produisant des ondes hyperfrequences polarisees circulairement et leur utilisation dans le domaine des applicateurs a micro-ondes
WO1994016472A1 (en) * 1992-12-30 1994-07-21 Thomson Consumer Electronics S.A. Helical antenna system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002902A1 (fr) * 1979-06-11 1980-12-24 Microondes Int Soc Ind Dispositifs rayonnants produisant des ondes hyperfrequences polarisees circulairement et leur utilisation dans le domaine des applicateurs a micro-ondes
EP0022282A1 (fr) * 1979-06-11 1981-01-14 I.M.I. Industries Micro-Ondes Internationales S.A. Dispositifs rayonnants produisant des ondes hyperfréquences polarisées circulairement et leur utilisation dans le domaine des applicateurs à micro-ondes
WO1994016472A1 (en) * 1992-12-30 1994-07-21 Thomson Consumer Electronics S.A. Helical antenna system

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Legal Events

Date Code Title Description
ST Notification of lapse