NL6710368A - - Google Patents

Info

Publication number
NL6710368A
NL6710368A NL6710368A NL6710368A NL6710368A NL 6710368 A NL6710368 A NL 6710368A NL 6710368 A NL6710368 A NL 6710368A NL 6710368 A NL6710368 A NL 6710368A NL 6710368 A NL6710368 A NL 6710368A
Authority
NL
Netherlands
Application number
NL6710368A
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 filed Critical
Publication of NL6710368A publication Critical patent/NL6710368A/xx

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
    • H01Q19/18Combinations 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
    • H01Q19/19Combinations 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
NL6710368A 1966-08-05 1967-07-27 NL6710368A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE0032224 1966-08-05

Publications (1)

Publication Number Publication Date
NL6710368A true NL6710368A (xx) 1968-02-06

Family

ID=7075498

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6710368A NL6710368A (xx) 1966-08-05 1967-07-27

Country Status (4)

Country Link
US (1) US3518686A (xx)
DE (1) DE1591106A1 (xx)
GB (1) GB1163156A (xx)
NL (1) NL6710368A (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737909A (en) * 1970-06-18 1973-06-05 Radiation Inc Parabolic antenna system having high-illumination and spillover efficiencies
US3995275A (en) * 1973-07-12 1976-11-30 Mitsubishi Denki Kabushiki Kaisha Reflector antenna having main and subreflector of diverse curvature
DE2345222C3 (de) * 1973-09-07 1981-05-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Reflektorantenne
DE2628713C2 (de) * 1976-06-25 1987-02-05 Siemens AG, 1000 Berlin und 8000 München Rotationssymmetrische Zweispiegelantenne
EP0030272A1 (de) * 1979-11-19 1981-06-17 Siemens-Albis Aktiengesellschaft Cassegrain-Antenne
GB2331185B (en) * 1983-03-05 1999-09-22 Emi Ltd Antenna arrangement
US5182569A (en) * 1988-09-23 1993-01-26 Alcatel N.V. Antenna having a circularly symmetrical reflector
FR2637130B1 (fr) * 1988-09-23 1991-05-31 Alcatel Transmission Antenne a optique cassegrain a haut rendement
RU2520914C2 (ru) * 2011-10-19 2014-06-27 Общество с ограниченной ответственностью "Научный центр прикладной электродинамики" Усилительная линза двухзеркальной антенны
RU2474934C1 (ru) * 2011-11-23 2013-02-10 Российская Федерация, от имени которой выступает Министерство обороны РФ Двухзеркальная антенна

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB901005A (en) * 1959-05-18 1962-07-11 Tesla Np Improvements in or relating to a parabolic reflector antenna for waves polarized in two directions
US3116486A (en) * 1961-12-29 1963-12-31 Anton M Johnson Luneberg lens system
US3430244A (en) * 1964-11-25 1969-02-25 Radiation Inc Reflector antennas

Also Published As

Publication number Publication date
DE1591106A1 (de) 1969-07-17
GB1163156A (en) 1969-09-04
US3518686A (en) 1970-06-30

Similar Documents

Publication Publication Date Title
AT281852B (xx)
AU1534566A (xx)
AU1141566A (xx)
AU6703465A (xx)
AU1393566A (xx)
AU1144366A (xx)
AU1111066A (xx)
AU411645B2 (xx)
BE675139A (xx)
BE694120A (xx)
BE694422A (xx)
BE637138A (xx)
BE626310A (xx)
BE475118A (xx)
BE624001A (xx)
BE694447A (xx)
AU414093B2 (xx)
BE694511A (xx)
BE692579A (xx)
BE692549A (xx)
BE692411A (xx)
BE692220A (xx)
BE692035A (xx)
BE618801A (xx)
BE674792A (xx)