FR1271698A - Ultra-shortwave antenna improvements - Google Patents

Ultra-shortwave antenna improvements

Info

Publication number
FR1271698A
FR1271698A FR835114A FR835114A FR1271698A FR 1271698 A FR1271698 A FR 1271698A FR 835114 A FR835114 A FR 835114A FR 835114 A FR835114 A FR 835114A FR 1271698 A FR1271698 A FR 1271698A
Authority
FR
France
Prior art keywords
ultra
shortwave antenna
antenna improvements
shortwave
antenna
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
FR835114A
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
Priority to FR835114A priority Critical patent/FR1271698A/en
Application granted granted Critical
Publication of FR1271698A publication Critical patent/FR1271698A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC 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
    • H01Q19/13Combinations 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
    • H01Q19/138Parallel-plate feeds, e.g. pill-box, cheese aerials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02Waveguide horns
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01Q19/06Combinations 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 refracting or diffracting devices, e.g. lens
    • H01Q19/062Combinations 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 refracting or diffracting devices, e.g. lens for focusing
FR835114A 1960-08-05 1960-08-05 Ultra-shortwave antenna improvements Expired FR1271698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR835114A FR1271698A (en) 1960-08-05 1960-08-05 Ultra-shortwave antenna improvements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR835114A FR1271698A (en) 1960-08-05 1960-08-05 Ultra-shortwave antenna improvements

Publications (1)

Publication Number Publication Date
FR1271698A true FR1271698A (en) 1961-09-15

Family

ID=8736973

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835114A Expired FR1271698A (en) 1960-08-05 1960-08-05 Ultra-shortwave antenna improvements

Country Status (1)

Country Link
FR (1) FR1271698A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925104A1 (en) * 1979-06-21 1981-01-08 Siemens Ag RADAR ANTENNA WITH INTEGRATED IFF ANTENNA

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925104A1 (en) * 1979-06-21 1981-01-08 Siemens Ag RADAR ANTENNA WITH INTEGRATED IFF ANTENNA

Similar Documents

Publication Publication Date Title
FR1273956A (en) Aerial improvements for ultra-short waves
FR1419597A (en) Ultra-shortwave antenna improvements
FR1241400A (en) Antenna improvements
BE610101A (en) Recorder
FR1267293A (en) Conveyor improvements
FR1298703A (en) Potentiometers
FR1141413A (en) Antenna improvements
FR1271698A (en) Ultra-shortwave antenna improvements
FR1254138A (en) Pipeline improvements
FR1335588A (en) Improvements to UHF antennas
FR1269278A (en) Dryer-ironers improvements
FR1269306A (en) Pig castrator
CH392101A (en) Powerful telescope
FR1268486A (en) Radar improvements
FR1212148A (en) Ultra-shortwave antenna improvements
FR1138380A (en) Antenna improvements
FR1260524A (en) Skylight for coaches
FR1311115A (en) Advanced trawl panel
FR1261918A (en) Improvements to microwave ferrite devices
FR1229387A (en) Ultra-shortwave switch
FR1370602A (en) Antenna improvements
FR1370637A (en) Antenna improvements
FR77164E (en) Pre-parking signal
FR1271174A (en) Bra refinements
FR1254845A (en) Winch improvements