DE69633986D1 - Breitbandige Antenne mit einem halbkreisförmigen Stahler - Google Patents

Breitbandige Antenne mit einem halbkreisförmigen Stahler

Info

Publication number
DE69633986D1
DE69633986D1 DE69633986T DE69633986T DE69633986D1 DE 69633986 D1 DE69633986 D1 DE 69633986D1 DE 69633986 T DE69633986 T DE 69633986T DE 69633986 T DE69633986 T DE 69633986T DE 69633986 D1 DE69633986 D1 DE 69633986D1
Authority
DE
Germany
Prior art keywords
semi
circular steel
broadband antenna
steel blade
blade
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 - Lifetime
Application number
DE69633986T
Other languages
English (en)
Other versions
DE69633986T2 (de
Inventor
Taisuke C O Intellectual Ihara
Koichi C O Intellect Tsunekawa
Makoto Kijima
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo 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 NTT Docomo Inc filed Critical NTT Docomo Inc
Application granted granted Critical
Publication of DE69633986D1 publication Critical patent/DE69633986D1/de
Publication of DE69633986T2 publication Critical patent/DE69633986T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01Q9/44—Resonant antennas with a plurality of divergent straight elements, e.g. V-dipole, X-antenna; with a plurality of elements having mutually inclined substantially straight portions
    • H01Q9/46—Resonant antennas with a plurality of divergent straight elements, e.g. V-dipole, X-antenna; with a plurality of elements having mutually inclined substantially straight portions with rigid elements diverging from single point
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • 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
    • 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
    • H01Q9/285—Planar dipole
    • 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
    • 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
    • H01Q9/42—Resonant 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
DE69633986T 1995-09-27 1996-09-19 Breitbandige Antenne mit einem halbkreisförmigen Stahler Expired - Lifetime DE69633986T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP24971295 1995-09-27
JP24971295 1995-09-27
JP32190695 1995-12-11
JP32190695 1995-12-11

Publications (2)

Publication Number Publication Date
DE69633986D1 true DE69633986D1 (de) 2005-01-05
DE69633986T2 DE69633986T2 (de) 2006-04-06

Family

ID=26539435

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69633986T Expired - Lifetime DE69633986T2 (de) 1995-09-27 1996-09-19 Breitbandige Antenne mit einem halbkreisförmigen Stahler
DE69627262T Expired - Lifetime DE69627262T2 (de) 1995-09-27 1996-09-19 Breitbandige Antenne mit einem halbkreisförmigen Strahler

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69627262T Expired - Lifetime DE69627262T2 (de) 1995-09-27 1996-09-19 Breitbandige Antenne mit einem halbkreisförmigen Strahler

Country Status (6)

Country Link
US (1) US5872546A (de)
EP (2) EP1249893B1 (de)
KR (1) KR100211229B1 (de)
CN (1) CN1091307C (de)
CA (1) CA2186186C (de)
DE (2) DE69633986T2 (de)

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US7973733B2 (en) * 2003-04-25 2011-07-05 Qualcomm Incorporated Electromagnetically coupled end-fed elliptical dipole for ultra-wide band systems
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DE60319965T2 (de) * 2003-06-12 2009-04-30 Research In Motion Ltd., Waterloo Mehrelement-Antenne mit parasitärem Antennenelement
US6980173B2 (en) * 2003-07-24 2005-12-27 Research In Motion Limited Floating conductor pad for antenna performance stabilization and noise reduction
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Also Published As

Publication number Publication date
CA2186186C (en) 1999-08-31
EP1249893B1 (de) 2004-12-01
DE69627262T2 (de) 2003-12-24
CN1091307C (zh) 2002-09-18
KR970018845A (ko) 1997-04-30
DE69633986T2 (de) 2006-04-06
EP0766343A2 (de) 1997-04-02
EP1249893A3 (de) 2003-06-25
EP0766343A3 (de) 1998-02-04
CN1151621A (zh) 1997-06-11
EP0766343B1 (de) 2003-04-09
US5872546A (en) 1999-02-16
CA2186186A1 (en) 1997-03-28
DE69627262D1 (de) 2003-05-15
EP1249893A2 (de) 2002-10-16
KR100211229B1 (ko) 1999-07-15

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Legal Events

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8327 Change in the person/name/address of the patent owner

Owner name: NTT MOBILE COMMUNICATIONS NETWORK INC., TOKIO/TOKY

8364 No opposition during term of opposition