NL251575A - - Google Patents

Info

Publication number
NL251575A
NL251575A NL251575DA NL251575A NL 251575 A NL251575 A NL 251575A NL 251575D A NL251575D A NL 251575DA NL 251575 A NL251575 A NL 251575A
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 date
Publication of NL251575A publication Critical patent/NL251575A/xx

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
    • H01Q19/18—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 having two or more spaced reflecting surfaces
    • H01Q19/185—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 having two or more spaced reflecting surfaces wherein the surfaces are plane
    • 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
    • H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
    • H01Q19/30—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 a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
NL251575D 1959-05-11 NL251575A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US812565A US3122745A (en) 1959-05-11 1959-05-11 Reflection antenna employing multiple director elements and multiple reflection of energy to effect increased gain

Publications (1)

Publication Number Publication Date
NL251575A true NL251575A (enrdf_load_stackoverflow) 1964-02-25

Family

ID=25209985

Family Applications (1)

Application Number Title Priority Date Filing Date
NL251575D NL251575A (enrdf_load_stackoverflow) 1959-05-11

Country Status (4)

Country Link
US (1) US3122745A (enrdf_load_stackoverflow)
DE (1) DE1167920B (enrdf_load_stackoverflow)
GB (1) GB938572A (enrdf_load_stackoverflow)
NL (1) NL251575A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774223A (en) * 1972-10-04 1973-11-20 Us Air Force High-frequency waveguide feed in combination with a short-backfire antenna
US5600339A (en) * 1994-12-06 1997-02-04 Oros; Edward A. Antenna
US8368608B2 (en) * 2008-04-28 2013-02-05 Harris Corporation Circularly polarized loop reflector antenna and associated methods
US20150207216A1 (en) * 2013-06-04 2015-07-23 Panasonic Intellectual Property Management Co., Ltd. Wireless module
WO2021157303A1 (ja) * 2020-02-03 2021-08-12 Ａｇｃ株式会社 アンテナ装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627028A (en) * 1945-07-03 1953-01-27 Welville B Nowak Antenna system
US2841792A (en) * 1951-12-29 1958-07-01 Bell Telephone Labor Inc Directional array employing laminated conductor
GB741897A (en) * 1953-06-17 1955-12-14 Marconi Wireless Telegraph Co Improvements in or relating to directional aerial systems
BE544068A (enrdf_load_stackoverflow) * 1954-12-31

Also Published As

Publication number Publication date
GB938572A (en) 1963-10-02
DE1167920B (de) 1964-04-16
US3122745A (en) 1964-02-25

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