AU6541398A - Multi-band ceramic trap antenna - Google Patents

Multi-band ceramic trap antenna

Info

Publication number
AU6541398A
AU6541398A AU65413/98A AU6541398A AU6541398A AU 6541398 A AU6541398 A AU 6541398A AU 65413/98 A AU65413/98 A AU 65413/98A AU 6541398 A AU6541398 A AU 6541398A AU 6541398 A AU6541398 A AU 6541398A
Authority
AU
Australia
Prior art keywords
band ceramic
trap antenna
ceramic trap
antenna
band
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.)
Abandoned
Application number
AU65413/98A
Inventor
Edward August Jesser
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.)
Itron Inc
Original Assignee
Itron 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 Itron Inc filed Critical Itron Inc
Publication of AU6541398A publication Critical patent/AU6541398A/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/30Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/321Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/48Combinations of two or more dipole type antennas
    • H01Q5/49Combinations of two or more dipole type antennas with parasitic elements used for purposes other than for dual-band or multi-band, e.g. imbricated Yagi antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
AU65413/98A 1997-03-05 1998-03-02 Multi-band ceramic trap antenna Abandoned AU6541398A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US81193497A 1997-03-05 1997-03-05
US08811934 1997-03-05
PCT/US1998/004209 WO1998039814A1 (en) 1997-03-05 1998-03-02 Multi-band ceramic trap antenna

Publications (1)

Publication Number Publication Date
AU6541398A true AU6541398A (en) 1998-09-22

Family

ID=25207992

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65413/98A Abandoned AU6541398A (en) 1997-03-05 1998-03-02 Multi-band ceramic trap antenna

Country Status (2)

Country Link
AU (1) AU6541398A (en)
WO (1) WO1998039814A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1223637B1 (en) 1999-09-20 2005-03-30 Fractus, S.A. Multilevel antennae
US7456792B2 (en) 2004-02-26 2008-11-25 Fractus, S.A. Handset with electromagnetic bra
US7859477B2 (en) 2007-03-30 2010-12-28 Silver Spring Networks, Inc. J-pole antenna

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176298A (en) * 1962-06-11 1965-03-30 Walter E Nettles Attachment for antennas to reduce operating frequencies
US4644364A (en) * 1984-12-07 1987-02-17 Parks Malcolm G Method of and means for coupling a two conductor transmission line to an antenna

Also Published As

Publication number Publication date
WO1998039814A1 (en) 1998-09-11

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