FR971483A - Perfectionnements aux radiateurs d'ondes radioélectriques - Google Patents

Perfectionnements aux radiateurs d'ondes radioélectriques

Info

Publication number
FR971483A
FR971483A FR971483DA FR971483A FR 971483 A FR971483 A FR 971483A FR 971483D A FR971483D A FR 971483DA FR 971483 A FR971483 A FR 971483A
Authority
FR
France
Prior art keywords
radio wave
wave radiators
radiators
radio
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
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 FR971483A publication Critical patent/FR971483A/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
    • H01Q19/18—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 having two or more spaced reflecting surfaces
    • H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
FR971483D 1940-06-15 1940-06-15 Perfectionnements aux radiateurs d'ondes radioélectriques Expired FR971483A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR971483T 1940-06-15

Publications (1)

Publication Number Publication Date
FR971483A true FR971483A (fr) 1951-01-17

Family

ID=9513793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971483D Expired FR971483A (fr) 1940-06-15 1940-06-15 Perfectionnements aux radiateurs d'ondes radioélectriques

Country Status (3)

Country Link
US (1) US2477694A (fr)
FR (1) FR971483A (fr)
GB (1) GB570568A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045239A (en) * 1949-12-14 1962-07-17 Westinghouse Electric Corp Parabolic feed system
US2714659A (en) * 1951-07-30 1955-08-02 Rca Corp Broad band unidirectional antenna
US2817837A (en) * 1953-06-16 1957-12-24 Bell Telephone Labor Inc Microwave horn and paraboloidal reflector antenna system
US3009154A (en) * 1957-09-05 1961-11-14 Philco Corp Directive antenna system
NL272285A (fr) * 1960-12-19
US3218643A (en) * 1961-03-01 1965-11-16 Peter W Hannan Double-reflector antenna with critical dimensioning to achieve minimum aperture blocking
US3235870A (en) * 1961-03-09 1966-02-15 Hazeltine Research Inc Double-reflector antenna with polarization-changing subreflector
US3231893A (en) * 1961-10-05 1966-01-25 Bell Telephone Labor Inc Cassegrainian antenna with aperture blocking compensation
US3209361A (en) * 1963-01-14 1965-09-28 James E Webb Cassegrainian antenna subreflector flange for suppressing ground noise
US3254342A (en) * 1963-07-09 1966-05-31 Bell Telephone Labor Inc Antenna system wherein beamwidth variation is achieved by changing shape of intermediate reflector
US3295136A (en) * 1963-07-09 1966-12-27 Bell Telephone Labor Inc Antenna system wherein beamwidth variation is achieved by changing aperture area of primary antenna
US3241147A (en) * 1963-12-16 1966-03-15 Bell Telephone Labor Inc Antenna utilizing intermediate cuspate reflector to couple energy from feed to main reflector
JPS57129506A (en) * 1980-12-22 1982-08-11 Buikutaa Banii Shiriru Antenna

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL42962C (fr) * 1932-07-08
FR757228A (fr) * 1932-09-16 1933-12-22 Meaf Mach En Apparaten Fab Nv Dispositif réflecteur pour ondes électriques ultra-courtes
US2112282A (en) * 1934-09-03 1938-03-29 Telefunken Gmbh Ultrashort wave antenna system
US2206923A (en) * 1934-09-12 1940-07-09 American Telephone & Telegraph Short wave radio system
US2115788A (en) * 1935-06-08 1938-05-03 Telefunken Gmbh Ultrashort wave system
US2203807A (en) * 1937-08-18 1940-06-11 Rca Corp Radio beam system
US2416698A (en) * 1938-04-29 1947-03-04 Bell Telephone Labor Inc Radiation and reception of microwaves
US2370053A (en) * 1940-12-31 1945-02-20 Rca Corp Directive antenna system

Also Published As

Publication number Publication date
GB570568A (en) 1945-07-12
US2477694A (en) 1949-08-02

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