FR985757A - Antenne directive à deux voies - Google Patents

Antenne directive à deux voies

Info

Publication number
FR985757A
FR985757A FR985757DA FR985757A FR 985757 A FR985757 A FR 985757A FR 985757D A FR985757D A FR 985757DA FR 985757 A FR985757 A FR 985757A
Authority
FR
France
Prior art keywords
directional antenna
way directional
way
antenna
directional
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.)
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 FR985757A publication Critical patent/FR985757A/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
    • H01Q19/12—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 wherein the surfaces are concave
    • H01Q19/13—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 wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • H01Q19/134—Rear-feeds; Splash plate feeds
    • H01Q19/136—Rear-feeds; Splash plate feeds cross-polarised
FR985757D 1948-05-08 1949-05-06 Antenne directive à deux voies Expired FR985757A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25897A US2552146A (en) 1948-05-08 1948-05-08 Duplex directive antenna system

Publications (1)

Publication Number Publication Date
FR985757A true FR985757A (fr) 1951-07-23

Family

ID=21828653

Family Applications (1)

Application Number Title Priority Date Filing Date
FR985757D Expired FR985757A (fr) 1948-05-08 1949-05-06 Antenne directive à deux voies

Country Status (3)

Country Link
US (1) US2552146A (fr)
BE (1) BE488912A (fr)
FR (1) FR985757A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE951733C (de) * 1953-01-13 1956-10-31 Telefunken Gmbh Einrichtung zum Anschluss einer koaxialen Hochfrequenzleitung an einen Verbraucher oder Generator mit symmetrischem Eingang
US2954556A (en) * 1956-10-10 1960-09-27 Andrew Corp Cross polarized dual feed
US5748156A (en) * 1994-02-28 1998-05-05 Chaparral Communications High-performance antenna structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1927393A (en) * 1931-07-10 1933-09-19 Int Communications Lab Inc Transmission system for ultrashort waves
US2251530A (en) * 1940-03-19 1941-08-05 Rca Corp Support for high frequency concentric conductors
BE469469A (fr) * 1945-06-05

Also Published As

Publication number Publication date
US2552146A (en) 1951-05-08
BE488912A (fr)

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