BR112012000087A2 - multifile antenna - Google Patents

multifile antenna

Info

Publication number
BR112012000087A2
BR112012000087A2 BR112012000087A BR112012000087A BR112012000087A2 BR 112012000087 A2 BR112012000087 A2 BR 112012000087A2 BR 112012000087 A BR112012000087 A BR 112012000087A BR 112012000087 A BR112012000087 A BR 112012000087A BR 112012000087 A2 BR112012000087 A2 BR 112012000087A2
Authority
BR
Brazil
Prior art keywords
multifile
antenna
multifile antenna
Prior art date
Application number
BR112012000087A
Other languages
Portuguese (pt)
Inventor
Leisten Oliver
Original Assignee
Sarantel 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 Sarantel Ltd filed Critical Sarantel Ltd
Publication of BR112012000087A2 publication Critical patent/BR112012000087A2/en

Links

Classifications

    • 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
    • H01Q11/08—Helical antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
BR112012000087A 2009-07-03 2010-07-02 multifile antenna BR112012000087A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0911635.1A GB0911635D0 (en) 2009-07-03 2009-07-03 A dielectrically-loaded antenna
PCT/GB2010/001279 WO2011001153A1 (en) 2009-07-03 2010-07-02 A multifilar antenna

Publications (1)

Publication Number Publication Date
BR112012000087A2 true BR112012000087A2 (en) 2017-02-21

Family

ID=41008748

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012000087A BR112012000087A2 (en) 2009-07-03 2010-07-02 multifile antenna

Country Status (7)

Country Link
JP (1) JP2012532518A (en)
KR (1) KR20120042858A (en)
CN (1) CN102474014A (en)
BR (1) BR112012000087A2 (en)
GB (2) GB0911635D0 (en)
TW (1) TW201112490A (en)
WO (1) WO2011001153A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201012923D0 (en) * 2010-07-30 2010-09-15 Sarantel Ltd An antenna
CN104094289B (en) * 2012-10-26 2019-02-19 富士通先端科技株式会社 Tag access device
GB2508638B (en) * 2012-12-06 2016-03-16 Harris Corp A dielectrically loaded multifilar antenna with a phasing ring feed
CN108091995B (en) * 2018-01-25 2023-09-22 电信科学技术第一研究所有限公司 Eight-arm spiral circular polarization dual-frequency antenna suitable for laser direct structuring technology
CN109473770B (en) * 2018-12-10 2024-01-05 广东工业大学 Spiral antenna based on parallel plate capacitor loading
CN111740215B (en) * 2020-07-28 2023-08-18 福州大学 Self-phase-shift feed miniaturized coupled multi-band helical antenna

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU693616B2 (en) * 1994-12-06 1998-07-02 Andrew Llc A helical antenna
US5572172A (en) * 1995-08-09 1996-11-05 Qualcomm Incorporated 180° power divider for a helix antenna
FR2746547B1 (en) * 1996-03-19 1998-06-19 France Telecom PROPELLER ANTENNA WITH INTEGRATED BROADBAND SUPPLY, AND MANUFACTURING METHODS THEREOF
SE511450C2 (en) * 1997-12-30 1999-10-04 Allgon Ab Antenna system for circularly polarized radio waves including antenna device and interface network
GB9828768D0 (en) 1998-12-29 1999-02-17 Symmetricom Inc An antenna
WO2001045208A1 (en) * 1999-12-15 2001-06-21 Mitsubishi Denki Kabushiki Kaisha Antenna device
GB0027128D0 (en) * 2000-11-04 2000-12-20 Univ Bradford Multi-band antenna
US6788272B2 (en) * 2002-09-23 2004-09-07 Andrew Corp. Feed network
GB2420230B (en) 2004-11-11 2009-06-03 Sarantel Ltd A dielectrically-loaded antenna
GB0512652D0 (en) * 2005-06-21 2005-07-27 Sarantel Ltd An antenna and an antenna feed structure
TW200713693A (en) 2005-06-21 2007-04-01 Sarantel Ltd An antenna and an antenna feed structure
GB2437998B (en) 2006-05-12 2009-11-11 Sarantel Ltd An antenna system
GB2442998B (en) 2006-10-20 2010-01-06 Sarantel Ltd A dielectrically-loaded antenna
GB0623774D0 (en) 2006-11-28 2007-01-10 Sarantel Ltd An Antenna Assembly Including a Dielectrically Loaded Antenna
US7999755B2 (en) * 2006-12-08 2011-08-16 Maxtena LLC Method and apparatus for quadrifilar antenna with open circuit element terminations
GB0700276D0 (en) 2007-01-08 2007-02-14 Sarantel Ltd A dielectrically-loaded antenna
US20080316138A1 (en) * 2007-10-26 2008-12-25 X-Ether, Inc. Balance-fed helical antenna

Also Published As

Publication number Publication date
GB0911635D0 (en) 2009-08-12
WO2011001153A1 (en) 2011-01-06
KR20120042858A (en) 2012-05-03
CN102474014A (en) 2012-05-23
GB201011226D0 (en) 2010-08-18
GB2471578B (en) 2013-04-17
JP2012532518A (en) 2012-12-13
GB2471578A (en) 2011-01-05
TW201112490A (en) 2011-04-01

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]