GB2431049B - An antenna arrangement - Google Patents

An antenna arrangement

Info

Publication number
GB2431049B
GB2431049B GB0520249A GB0520249A GB2431049B GB 2431049 B GB2431049 B GB 2431049B GB 0520249 A GB0520249 A GB 0520249A GB 0520249 A GB0520249 A GB 0520249A GB 2431049 B GB2431049 B GB 2431049B
Authority
GB
United Kingdom
Prior art keywords
antenna arrangement
antenna
arrangement
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.)
Active
Application number
GB0520249A
Other versions
GB2431049A (en
GB0520249D0 (en
Inventor
Patrick Labbe
David G Bateman
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Priority to GB0520249A priority Critical patent/GB2431049B/en
Publication of GB0520249D0 publication Critical patent/GB0520249D0/en
Publication of GB2431049A publication Critical patent/GB2431049A/en
Application granted granted Critical
Publication of GB2431049B publication Critical patent/GB2431049B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/10—Logperiodic antennas
    • H01Q5/0003—
    • 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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/27—Spiral 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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
GB0520249A 2005-10-05 2005-10-05 An antenna arrangement Active GB2431049B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0520249A GB2431049B (en) 2005-10-05 2005-10-05 An antenna arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0520249A GB2431049B (en) 2005-10-05 2005-10-05 An antenna arrangement

Publications (3)

Publication Number Publication Date
GB0520249D0 GB0520249D0 (en) 2005-11-16
GB2431049A GB2431049A (en) 2007-04-11
GB2431049B true GB2431049B (en) 2008-02-27

Family

ID=35429856

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0520249A Active GB2431049B (en) 2005-10-05 2005-10-05 An antenna arrangement

Country Status (1)

Country Link
GB (1) GB2431049B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11652281B1 (en) * 2022-04-13 2023-05-16 Advanced Fusion Systems Llc Compact covert fractal antennae

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993011582A1 (en) * 1991-11-26 1993-06-10 Georgia Tech Research Corporation Compact broadband microstrip antenna
US5451973A (en) * 1993-11-02 1995-09-19 Trw Inc. Multi-mode dual circularly polarized spiral antenna
WO2002001668A2 (en) * 2000-06-28 2002-01-03 The Penn State Research Foundation Miniaturized conformal wideband fractal antennas on high dielectric substrates and chiral layers
WO2004066442A1 (en) * 2003-01-23 2004-08-05 Radionor Communications As Antenna element and array antenna

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993011582A1 (en) * 1991-11-26 1993-06-10 Georgia Tech Research Corporation Compact broadband microstrip antenna
US5451973A (en) * 1993-11-02 1995-09-19 Trw Inc. Multi-mode dual circularly polarized spiral antenna
WO2002001668A2 (en) * 2000-06-28 2002-01-03 The Penn State Research Foundation Miniaturized conformal wideband fractal antennas on high dielectric substrates and chiral layers
WO2004066442A1 (en) * 2003-01-23 2004-08-05 Radionor Communications As Antenna element and array antenna

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Cohen et al, "Radio and Wireless Conference", published 2003, pages 99 - 102, "Fractal wideband antennas for softwaredefined radio, UWB,...". *
Kravchenko et al, MSMW'04 Symposium Proceedings, published 2004, pages 952 - 954, vol.2, "Peculiarities of the design of spiral fractal antenna arrays" *

Also Published As

Publication number Publication date
GB2431049A (en) 2007-04-11
GB0520249D0 (en) 2005-11-16

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