NL252416A - - Google Patents

Info

Publication number
NL252416A
NL252416A NL252416DA NL252416A NL 252416 A NL252416 A NL 252416A NL 252416D A NL252416D A NL 252416DA NL 252416 A NL252416 A NL 252416A
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 NL252416A publication Critical patent/NL252416A/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
    • H01Q19/28Combinations 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
    • H01Q19/30Combinations 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/10Logperiodic antennas
NL252416D 1959-06-08 NL252416A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB19515/59A GB884889A (en) 1959-06-08 1959-06-08 Improvements in or relating to aerial systems

Publications (1)

Publication Number Publication Date
NL252416A true NL252416A (en:Method)

Family

ID=10130686

Family Applications (2)

Application Number Title Priority Date Filing Date
NL252416D NL252416A (en:Method) 1959-06-08
NL113848D NL113848C (en:Method) 1959-06-08

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL113848D NL113848C (en:Method) 1959-06-08

Country Status (4)

Country Link
US (1) US3221332A (en:Method)
DE (1) DE1616745B1 (en:Method)
GB (1) GB884889A (en:Method)
NL (2) NL113848C (en:Method)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179943A (en) * 1962-02-12 1965-04-20 James M Buzbee Log periodic monopole array and image ground plane elements alternately connected toplural feed lines
US3371196A (en) * 1963-05-01 1968-02-27 Seismograph Service Corp Apparatus for the correlation of two variables
US3482250A (en) * 1966-10-06 1969-12-02 Viewall Television Products Co Dipole antenna array having equally spaced dipoles of decreasing lengths
US3550140A (en) * 1967-06-23 1970-12-22 Granger Associates Log periodic rotating antenna
US3683390A (en) * 1971-04-26 1972-08-08 Collins Radio Co Hf broadband omnidirectional antenna
US3790950A (en) * 1971-09-13 1974-02-05 Scientific Atlanta Antenna array for minimizing co-channel interference
US4180817A (en) * 1976-05-04 1979-12-25 Ball Corporation Serially connected microstrip antenna array
US4733243A (en) * 1986-12-18 1988-03-22 The United States Of America As Represented By The Secretary Of The Army Broadband high frequency sky-wave antenna
CN104157962B (zh) * 2014-08-12 2018-06-19 上海航天电子通讯设备研究所 一种超宽带小型化波束赋形天线
CN119093016A (zh) * 2024-08-30 2024-12-06 安徽大学 一种基于辐射振子旋转的圆极化对数周期天线
CN119133863A (zh) * 2024-09-19 2024-12-13 安徽大学 双螺旋交叉馈电圆极化对数周期天线结构

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1937748A (en) * 1931-07-10 1933-12-05 Int Communications Lab Inc Short wave radio beacon
GB408473A (en) * 1932-06-24 1934-04-12 Nicolaas Koomans Improvements in or relating to uni-laterally directed aerials
US2192532A (en) * 1936-02-03 1940-03-05 Rca Corp Directive antenna
US2298449A (en) * 1941-11-08 1942-10-13 Bell Telephone Labor Inc Antenna
US2429629A (en) * 1942-12-16 1947-10-28 Standard Telephones Cables Ltd Antenna array

Also Published As

Publication number Publication date
NL113848C (en:Method)
US3221332A (en) 1965-11-30
GB884889A (en) 1961-12-20
DE1616745B1 (de) 1973-02-01

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