FR757228A - Dispositif réflecteur pour ondes électriques ultra-courtes - Google Patents

Dispositif réflecteur pour ondes électriques ultra-courtes

Info

Publication number
FR757228A
FR757228A FR757228DA FR757228A FR 757228 A FR757228 A FR 757228A FR 757228D A FR757228D A FR 757228DA FR 757228 A FR757228 A FR 757228A
Authority
FR
France
Prior art keywords
ultra
reflector device
short waves
waves
short
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.)
MEAF Machinerieen en Apparaten Fabrieken NV
Original Assignee
MEAF Machinerieen en Apparaten Fabrieken NV
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 MEAF Machinerieen en Apparaten Fabrieken NV filed Critical MEAF Machinerieen en Apparaten Fabrieken NV
Application granted granted Critical
Publication of FR757228A publication Critical patent/FR757228A/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
FR757228D 1932-09-16 1933-06-19 Dispositif réflecteur pour ondes électriques ultra-courtes Expired FR757228A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE399770X 1932-09-16

Publications (1)

Publication Number Publication Date
FR757228A true FR757228A (fr) 1933-12-22

Family

ID=6397528

Family Applications (1)

Application Number Title Priority Date Filing Date
FR757228D Expired FR757228A (fr) 1932-09-16 1933-06-19 Dispositif réflecteur pour ondes électriques ultra-courtes

Country Status (3)

Country Link
US (1) US2054896A (fr)
FR (1) FR757228A (fr)
GB (1) GB399770A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425716A (en) * 1937-07-24 1947-08-19 Research Corp Electromagnetic horn
FR971483A (fr) * 1940-06-15 1951-01-17 Csf Perfectionnements aux radiateurs d'ondes radioélectriques
US2520945A (en) * 1943-08-18 1950-09-05 Sperry Corp Wave transmission apparatus
US2486620A (en) * 1943-10-25 1949-11-01 Us Navy Antenna system for short waves
US2463569A (en) * 1943-11-17 1949-03-08 Raytheon Mfg Co Apparatus for treating gaseous media
US2474384A (en) * 1944-04-28 1949-06-28 Philco Corp High-frequency radiant energy absorbing device
US2551586A (en) * 1945-08-09 1951-05-08 Lee R Dobler Antenna system
US2638547A (en) * 1945-09-18 1953-05-12 Us Navy Electromagnetic wave controlling apparatus
US2509283A (en) * 1945-10-25 1950-05-30 Rca Corp Directive antenna system
US2532920A (en) * 1947-04-21 1950-12-05 Johnson William Arthur Radio aerial system, and particularly directive aerial system
US2532919A (en) * 1947-04-21 1950-12-05 Johnson William Arthur Radio aerial system, and particularly directive aerial system
US2982962A (en) * 1953-08-19 1961-05-02 Gen Railway Signal Co Antenna system
US2982961A (en) * 1957-03-20 1961-05-02 Calvin C Jones Dual feed antenna
US2926349A (en) * 1957-03-29 1960-02-23 Jack H Jensen Corner reflector antenna
US3096520A (en) * 1958-03-06 1963-07-02 Hermann W Ehrenspeck Endfire array
US3031664A (en) * 1959-10-01 1962-04-24 Marconi Wireless Telegraph Co Polarisation screen and filter for radio waves
US3271552A (en) * 1963-02-01 1966-09-06 Litton Prec Products Inc Microwave heating apparatus
US3483563A (en) * 1965-10-13 1969-12-09 Collins Radio Co Combination vertically-horizontally polarized paracylinder antennas
PT104638A (pt) * 2009-06-22 2010-12-22 Alexandre Tiago Batista De Alves Martins Sistema de propulsão que usa a força de antigravidade do vácuo e aplicações.

Also Published As

Publication number Publication date
US2054896A (en) 1936-09-22
GB399770A (en) 1933-10-12

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