NL246679A - - Google Patents

Info

Publication number
NL246679A
NL246679A NL246679DA NL246679A NL 246679 A NL246679 A NL 246679A NL 246679D A NL246679D A NL 246679DA NL 246679 A NL246679 A NL 246679A
Authority
NL
Netherlands
Application number
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.)
Publication of NL246679A publication Critical patent/NL246679A/xx
Priority claimed from FR782448A external-priority patent/FR1219321A/fr

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
    • H01Q19/17—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 comprising two or more radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/001—Crossed polarisation dual antennas
NL246679D 1958-12-23 NL246679A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR782448A FR1219321A (fr) 1958-12-23 1958-12-23 Nouveau système rayonnant pour ondes ultra-courtes
FR783970A FR1221812A (fr) 1958-12-23 1959-01-14 Nouvel aérien rayonnant plusieurs faisceaux

Publications (1)

Publication Number Publication Date
NL246679A true NL246679A (enrdf_load_stackoverflow)

Family

ID=26183709

Family Applications (3)

Application Number Title Priority Date Filing Date
NL246679D NL246679A (enrdf_load_stackoverflow) 1958-12-23
NL132576D NL132576C (enrdf_load_stackoverflow) 1958-12-23
NL247291D NL247291A (enrdf_load_stackoverflow) 1958-12-23

Family Applications After (2)

Application Number Title Priority Date Filing Date
NL132576D NL132576C (enrdf_load_stackoverflow) 1958-12-23
NL247291D NL247291A (enrdf_load_stackoverflow) 1958-12-23

Country Status (6)

Country Link
US (1) US3102265A (enrdf_load_stackoverflow)
CH (2) CH387715A (enrdf_load_stackoverflow)
DE (2) DE1210464B (enrdf_load_stackoverflow)
FR (1) FR1221812A (enrdf_load_stackoverflow)
GB (2) GB938928A (enrdf_load_stackoverflow)
NL (3) NL247291A (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL246679A (enrdf_load_stackoverflow) * 1958-12-23
NL301079A (enrdf_load_stackoverflow) * 1962-12-12
US3898667A (en) * 1974-02-06 1975-08-05 Rca Corp Compact frequency reuse antenna
SE412959B (sv) * 1978-03-02 1980-03-24 Saab Scania Ab Sett att bestemma leget for ett antal foremal samt system for utforande av settet
DE3402659A1 (de) * 1984-01-26 1985-08-01 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Reflektorantenne fuer den betrieb in mehreren frequenzbereichen
FR2568062B1 (fr) * 1984-07-17 1986-11-07 Thomson Alcatel Espace Antenne bifrequence a meme couverture de zone a polarisation croisee pour satellites de telecommunications
DE3431986A1 (de) * 1984-08-30 1986-03-06 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Polarisationstrennender reflektor
US4625214A (en) * 1984-10-15 1986-11-25 Rca Corporation Dual gridded reflector structure
DE3609084A1 (de) * 1985-07-26 1987-02-05 Messerschmitt Boelkow Blohm Reflektoranordnung
DE3609078A1 (de) * 1985-07-26 1987-02-05 Messerschmitt Boelkow Blohm Reflektoranordnung
CA1263180A (en) * 1985-11-12 1989-11-21 Rca Corporation Linearly polarized grid reflector antenna systems with improved cross-polarization performance
USRE34410E (en) * 1986-08-14 1993-10-19 Hughes Aircraft Company Antenna system for hybrid communication satellite
US4792813A (en) * 1986-08-14 1988-12-20 Hughes Aircraft Company Antenna system for hybrid communications satellite
US7144351B2 (en) * 2002-10-23 2006-12-05 Kastelic Edward P Multi-configurable exercise device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE582007C (de) * 1933-08-07 Ernst Gerhard Dr Anordnung zur Aussendung von mehreren voneinander unabhaengigen und verschiedenen Strahlenkegeln elektrischer Wellen
DE668231C (de) * 1935-05-26 1938-11-28 Julius Pintsch Kom Ges Reflektoranordnung
US2646563A (en) * 1946-09-24 1953-07-21 Us Navy V-beam height indicator
US2790169A (en) * 1949-04-18 1957-04-23 Itt Antenna
CH326809A (de) * 1954-11-11 1957-12-31 Patelhold Patentverwertung Richtantennensystem mit Umlenkspiegeln
NL246679A (enrdf_load_stackoverflow) * 1958-12-23
FR1219321A (fr) * 1958-12-23 1960-05-17 Cie Francais Thomson Houston Nouveau système rayonnant pour ondes ultra-courtes
NL135021C (enrdf_load_stackoverflow) * 1959-01-13

Also Published As

Publication number Publication date
DE1210464B (de) 1966-02-10
NL132576C (enrdf_load_stackoverflow)
GB938930A (en) 1963-10-09
FR1221812A (fr) 1960-06-03
US3102265A (en) 1963-08-27
CH418412A (fr) 1966-08-15
GB938928A (en) 1963-10-09
CH387715A (fr) 1965-02-15
DE1270134B (de) 1968-06-12
NL247291A (enrdf_load_stackoverflow)

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