BE571122A - - Google Patents

Info

Publication number
BE571122A
BE571122A BE571122DA BE571122A BE 571122 A BE571122 A BE 571122A BE 571122D A BE571122D A BE 571122DA BE 571122 A BE571122 A BE 571122A
Authority
BE
Belgium
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 BE571122A publication Critical patent/BE571122A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/32—Non-reciprocal transmission devices
    • H01P1/38—Circulators
    • 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
BE571122D 1957-09-16 BE571122A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US684026A US2956276A (en) 1957-09-16 1957-09-16 Diversity system

Publications (1)

Publication Number Publication Date
BE571122A true BE571122A (fr)

Family

ID=24746420

Family Applications (1)

Application Number Title Priority Date Filing Date
BE571122D BE571122A (fr) 1957-09-16

Country Status (6)

Country Link
US (1) US2956276A (fr)
BE (1) BE571122A (fr)
DE (1) DE1226667B (fr)
FR (1) FR1210219A (fr)
GB (1) GB890296A (fr)
NL (2) NL230802A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1273016B (de) * 1961-11-16 1968-07-18 Telefunken Patent Mehrkanalige Scattering-UEbertragungsanlage fuer Zweifach-Raumdiversity

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3144647A (en) * 1959-12-01 1964-08-11 Itt Diversity system
US3209260A (en) * 1961-03-16 1965-09-28 Itt Beyond-the-horizon communication system for air vehicles
DE3336610A1 (de) * 1983-10-07 1985-04-25 Hörmann GmbH, 8011 Kirchseeon Mikrowellenschranke
HU191949B (en) * 1984-09-10 1987-04-28 Tavkoezlesi Kutato Intezet Method and equipment for the transmission of information by means of open-air propagation with electromagnetic waves of directed beam of rays, of wave length below 10 mm
EP1812774B1 (fr) * 2004-11-12 2015-10-28 Xtralis Technologies Ltd Methode et appareil pour determiner un debit
US7623084B2 (en) * 2006-09-12 2009-11-24 General Dynamics C4 Systems, Inc. Angular diversity antenna system and feed assembly for same
TWI609529B (zh) * 2015-10-29 2017-12-21 建漢科技股份有限公司 使用於碟盤天線的多元接收器設備與系統

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1667792A (en) * 1923-01-11 1928-05-01 American Telephone & Telegraph Radio signaling system
US2312093A (en) * 1938-11-23 1943-02-23 Rca Corp Radiant energy signaling system
BE459653A (fr) * 1944-05-24
US2585173A (en) * 1948-07-01 1952-02-12 Raytheon Mfg Co Radio-frequency transmission line circuit
US2627020A (en) * 1949-05-28 1953-01-27 William S Parnell Two-feed "x" band antenna
US2803817A (en) * 1952-08-18 1957-08-20 Francis A Marasco Radar antenna lobing power-divider

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1273016B (de) * 1961-11-16 1968-07-18 Telefunken Patent Mehrkanalige Scattering-UEbertragungsanlage fuer Zweifach-Raumdiversity

Also Published As

Publication number Publication date
FR1210219A (fr) 1960-03-07
GB890296A (en) 1962-02-28
NL230802A (fr)
US2956276A (en) 1960-10-11
DE1226667B (de) 1966-10-13
NL113271C (fr)

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