FR1145477A - Radar aerial improvements - Google Patents

Radar aerial improvements

Info

Publication number
FR1145477A
FR1145477A FR1145477DA FR1145477A FR 1145477 A FR1145477 A FR 1145477A FR 1145477D A FR1145477D A FR 1145477DA FR 1145477 A FR1145477 A FR 1145477A
Authority
FR
France
Prior art keywords
radar aerial
aerial
radar
aerial improvements
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 FR1145477A publication Critical patent/FR1145477A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • 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
    • H01Q19/138—Parallel-plate feeds, e.g. pill-box, cheese aerials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
FR1145477D 1956-02-21 1956-02-21 Radar aerial improvements Expired FR1145477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1145477T 1956-02-21

Publications (1)

Publication Number Publication Date
FR1145477A true FR1145477A (en) 1957-10-25

Family

ID=9644782

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1145477D Expired FR1145477A (en) 1956-02-21 1956-02-21 Radar aerial improvements

Country Status (1)

Country Link
FR (1) FR1145477A (en)

Similar Documents

Publication Publication Date Title
FR1173083A (en) Evaporator improvements
FR1185484A (en) Airline improvements
FR1242039A (en) Radar improvements
CH358842A (en) Antenna system
FR1152309A (en) Antenna improvements
FR1247015A (en) Radar improvements
FR1167767A (en) Radar
FR1163844A (en) Radome
FR1170434A (en) Evaporator improvements
FR1145477A (en) Radar aerial improvements
FR1188813A (en) Stylograph refinements
FR1146901A (en) Improvements to radar devices
FR1189164A (en) Switch refinements
CH351000A (en) Radar antenna
FR1184996A (en) Radar improvements
FR1178543A (en) Radar improvements
FR1191660A (en) Radar improvements
FR70100E (en) Improvements to radar devices
FR1142280A (en) Bra refinements
FR1148867A (en) bender crew
FR1142564A (en) Switch refinements
FR1163737A (en) Clutch refinements
FR1162202A (en) Clutch refinements
FR72567E (en) Radar
FR1220823A (en) Radar