GB0921674D0 - An apparatus for shaping a radiation pattern of an antenna - Google Patents

An apparatus for shaping a radiation pattern of an antenna

Info

Publication number
GB0921674D0
GB0921674D0 GBGB0921674.8A GB0921674A GB0921674D0 GB 0921674 D0 GB0921674 D0 GB 0921674D0 GB 0921674 A GB0921674 A GB 0921674A GB 0921674 D0 GB0921674 D0 GB 0921674D0
Authority
GB
United Kingdom
Prior art keywords
shaping
antenna
radiation pattern
radiation
pattern
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.)
Withdrawn
Application number
GBGB0921674.8A
Other versions
GB2476086A (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.)
Thales Holdings UK PLC
Original Assignee
Thales Holdings UK PLC
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 Thales Holdings UK PLC filed Critical Thales Holdings UK PLC
Priority to GB0921674A priority Critical patent/GB2476086A/en
Publication of GB0921674D0 publication Critical patent/GB0921674D0/en
Publication of GB2476086A publication Critical patent/GB2476086A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
    • 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
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • 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
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/006—Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces
    • 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
    • H01Q19/104—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 using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/40—Element having extended radiating surface

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)
GB0921674A 2009-12-10 2009-12-10 Compact photonic circuit arrangement for an ultra-wideband antenna Withdrawn GB2476086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0921674A GB2476086A (en) 2009-12-10 2009-12-10 Compact photonic circuit arrangement for an ultra-wideband antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0921674A GB2476086A (en) 2009-12-10 2009-12-10 Compact photonic circuit arrangement for an ultra-wideband antenna

Publications (2)

Publication Number Publication Date
GB0921674D0 true GB0921674D0 (en) 2010-01-27
GB2476086A GB2476086A (en) 2011-06-15

Family

ID=41666932

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0921674A Withdrawn GB2476086A (en) 2009-12-10 2009-12-10 Compact photonic circuit arrangement for an ultra-wideband antenna

Country Status (1)

Country Link
GB (1) GB2476086A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6116292B2 (en) * 2013-02-27 2017-04-19 株式会社日立国際八木ソリューションズ Circularly polarized antenna

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6384797B1 (en) * 2000-08-01 2002-05-07 Hrl Laboratories, Llc Reconfigurable antenna for multiple band, beam-switching operation
US6933895B2 (en) * 2003-02-14 2005-08-23 E-Tenna Corporation Narrow reactive edge treatments and method for fabrication
US7215007B2 (en) * 2003-06-09 2007-05-08 Wemtec, Inc. Circuit and method for suppression of electromagnetic coupling and switching noise in multilayer printed circuit boards
US20050134521A1 (en) * 2003-12-18 2005-06-23 Waltho Alan E. Frequency selective surface to suppress surface currents
US7136028B2 (en) * 2004-08-27 2006-11-14 Freescale Semiconductor, Inc. Applications of a high impedance surface
US7423608B2 (en) * 2005-12-20 2008-09-09 Motorola, Inc. High impedance electromagnetic surface and method
GB2453778B (en) * 2007-10-18 2009-10-28 Thales Holdings Uk Plc An ultra wideband antenna

Also Published As

Publication number Publication date
GB2476086A (en) 2011-06-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)