FR1021643A - Improvements in air for ultra-short wave - Google Patents

Improvements in air for ultra-short wave

Info

Publication number
FR1021643A
FR1021643A FR1021643DA FR1021643A FR 1021643 A FR1021643 A FR 1021643A FR 1021643D A FR1021643D A FR 1021643DA FR 1021643 A FR1021643 A FR 1021643A
Authority
FR
France
Prior art keywords
ultra
improvements
air
short wave
wave
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.)
CSF Compagnie Generale de Telegraphie Sans Fil Cie
Original Assignee
CSF Compagnie Generale de Telegraphie Sans Fil Cie
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 Cie filed Critical CSF Compagnie Generale de Telegraphie Sans Fil Cie
Priority to FR1021643T priority Critical
Application granted granted Critical
Publication of FR1021643A publication Critical patent/FR1021643A/en
Application status is Expired legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations 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
    • H01Q19/12Combinations 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
    • H01Q19/17Combinations 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 comprising two or more radiating elements
FR1021643D 1950-07-07 1950-07-07 Improvements in air for ultra-short wave Expired FR1021643A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1021643T 1950-07-07

Publications (1)

Publication Number Publication Date
FR1021643A true FR1021643A (en) 1953-02-20

Family

ID=9577104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1021643D Expired FR1021643A (en) 1950-07-07 1950-07-07 Improvements in air for ultra-short wave

Country Status (1)

Country Link
FR (1) FR1021643A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202997A (en) * 1961-10-16 1965-08-24 Allan C Schell Scanning corner array antenna
US3234559A (en) * 1960-05-07 1966-02-08 Telefunken Patent Multiple horn feed for parabolic reflector with phase and power adjustments
DE1268224B (en) * 1960-05-07 1968-05-16 Telefunken Patent directional antenna
US3815140A (en) * 1972-11-06 1974-06-04 Boeing Co Multiple feed for microwave parabolic antennas
FR2448232A1 (en) * 1979-01-30 1980-08-29 Sperry Corp Method and forming antenna of a desired diagram of direct radiation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234559A (en) * 1960-05-07 1966-02-08 Telefunken Patent Multiple horn feed for parabolic reflector with phase and power adjustments
DE1268224B (en) * 1960-05-07 1968-05-16 Telefunken Patent directional antenna
US3202997A (en) * 1961-10-16 1965-08-24 Allan C Schell Scanning corner array antenna
US3815140A (en) * 1972-11-06 1974-06-04 Boeing Co Multiple feed for microwave parabolic antennas
FR2448232A1 (en) * 1979-01-30 1980-08-29 Sperry Corp Method and forming antenna of a desired diagram of direct radiation

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