GB876304A - Improvements in or relating to aerials with a variable beam direction - Google Patents

Improvements in or relating to aerials with a variable beam direction

Info

Publication number
GB876304A
GB876304A GB469060A GB469060A GB876304A GB 876304 A GB876304 A GB 876304A GB 469060 A GB469060 A GB 469060A GB 469060 A GB469060 A GB 469060A GB 876304 A GB876304 A GB 876304A
Authority
GB
United Kingdom
Prior art keywords
energy
groove
members
feed
round
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB469060A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 by Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB876304A publication Critical patent/GB876304A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H01Q15/04—Refracting or diffracting devices, e.g. lens, prism comprising wave-guiding channel or channels bounded by effective conductive surfaces substantially perpendicular to the electric vector of the wave, e.g. parallel-plate waveguide lens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/14—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying the relative position of primary active element and a refracting or diffracting device

Landscapes

  • Aerials With Secondary Devices (AREA)
GB469060A 1959-02-13 1960-02-10 Improvements in or relating to aerials with a variable beam direction Expired GB876304A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL236127 1959-02-13

Publications (1)

Publication Number Publication Date
GB876304A true GB876304A (en) 1961-08-30

Family

ID=19751578

Family Applications (1)

Application Number Title Priority Date Filing Date
GB469060A Expired GB876304A (en) 1959-02-13 1960-02-10 Improvements in or relating to aerials with a variable beam direction

Country Status (4)

Country Link
DE (1) DE1107298B (enrdf_load_stackoverflow)
FR (1) FR1248325A (enrdf_load_stackoverflow)
GB (1) GB876304A (enrdf_load_stackoverflow)
NL (1) NL283921A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656165A (en) * 1968-09-18 1972-04-11 Univ Ohio State Res Found Lens polarization control
US4488156A (en) * 1982-02-10 1984-12-11 Hughes Aircraft Company Geodesic dome-lens antenna

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19652973A1 (de) * 1996-12-19 1998-06-25 Daimler Benz Ag Antennenanordnung, insbesondere für Kraftfahrzeuge
CN119381760A (zh) * 2023-07-27 2025-01-28 创威讯科技股份有限公司 混合波束扫描的天线装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656165A (en) * 1968-09-18 1972-04-11 Univ Ohio State Res Found Lens polarization control
US4488156A (en) * 1982-02-10 1984-12-11 Hughes Aircraft Company Geodesic dome-lens antenna

Also Published As

Publication number Publication date
NL283921A (enrdf_load_stackoverflow)
FR1248325A (fr) 1960-12-09
DE1107298B (de) 1961-05-25

Similar Documents

Publication Publication Date Title
US3568204A (en) Multimode antenna feed system having a plurality of tracking elements mounted symmetrically about the inner walls and at the aperture end of a scalar horn
US4318107A (en) Printed monopulse primary source for airport radar antenna and antenna comprising such a source
US2430568A (en) Antenna system
GB1227687A (enrdf_load_stackoverflow)
US2840819A (en) Reflecting surfaces
US3102265A (en) New aerial system radiating several beams
GB815178A (en) Two-channel radio beam antenna arrangement
US2486589A (en) Apple-core reflector antenna
US2929064A (en) Pencil beam slot antenna
GB978509A (en) Improvements in and relating to aerials
GB594416A (en) Improvements in or relating to the transmission and reception of electromagnetic waves
GB876304A (en) Improvements in or relating to aerials with a variable beam direction
US2594871A (en) Antenna
US2881431A (en) Ring source omnidirectional antenna
GB1359830A (en) Multimode antennas
US3949405A (en) Vertically polarised omnidirectional antenna
GB762415A (en) Improvements in or relating to aerials
US2750588A (en) Wave guide terminating device
GB801885A (en) Improvements in or relating to directional aerials for the transmission or reception of electromagnetic waves
US2653239A (en) Antenna
GB801886A (en) Improvements in or relating to systems for radiating ultra high frequency waves
US2589433A (en) Wave guide feed for cylindrical paraboloid
US3922681A (en) Polarization rotation technique for use with two dimensional TEM mode lenses
US3419875A (en) Multi-mode helix antenna
US2440210A (en) Antenna