WO2000074173A1 - Loop antenna with at least two resonant frequencies - Google Patents
Loop antenna with at least two resonant frequencies Download PDFInfo
- Publication number
- WO2000074173A1 WO2000074173A1 PCT/GB2000/001983 GB0001983W WO0074173A1 WO 2000074173 A1 WO2000074173 A1 WO 2000074173A1 GB 0001983 W GB0001983 W GB 0001983W WO 0074173 A1 WO0074173 A1 WO 0074173A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- antenna
- elements
- core
- group
- antenna according
- Prior art date
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
-
- 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
- H01Q11/08—Helical antennas
-
- 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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
- H01Q5/364—Creating multiple current paths
- H01Q5/371—Branching current paths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU50870/00A AU769570B2 (en) | 1999-05-27 | 2000-05-24 | Loop antenna with at least two resonant frequencies |
DE60034042T DE60034042T2 (en) | 1999-05-27 | 2000-05-24 | FRAME ANTENNA WITH FOUR RESONANCE FREQUENCIES |
CA002373941A CA2373941C (en) | 1999-05-27 | 2000-05-24 | Loop antenna with at least two resonant frequencies |
JP2001500367A JP4077197B2 (en) | 1999-05-27 | 2000-05-24 | Loop antenna having at least two resonance frequencies |
BR0010954-1A BR0010954A (en) | 1999-05-27 | 2000-05-24 | Loop antenna with at least two resonant frequencies |
MXPA01012163A MXPA01012163A (en) | 1999-05-27 | 2000-05-24 | Loop antenna with at least two resonant frequencies. |
EP00935317A EP1196963B1 (en) | 1999-05-27 | 2000-05-24 | Loop antenna with four resonant frequencies |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9912441.4A GB9912441D0 (en) | 1999-05-27 | 1999-05-27 | An antenna |
GB9912441.4 | 1999-05-27 | ||
US09/372,865 US6300917B1 (en) | 1999-05-27 | 1999-08-12 | Antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000074173A1 true WO2000074173A1 (en) | 2000-12-07 |
Family
ID=10854339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2000/001983 WO2000074173A1 (en) | 1999-05-27 | 2000-05-24 | Loop antenna with at least two resonant frequencies |
Country Status (14)
Country | Link |
---|---|
US (1) | US6300917B1 (en) |
EP (1) | EP1196963B1 (en) |
JP (1) | JP4077197B2 (en) |
KR (1) | KR100767329B1 (en) |
CN (2) | CN1280946C (en) |
AT (1) | ATE357750T1 (en) |
AU (1) | AU769570B2 (en) |
BR (1) | BR0010954A (en) |
CA (1) | CA2373941C (en) |
DE (1) | DE60034042T2 (en) |
ES (1) | ES2283301T3 (en) |
GB (2) | GB9912441D0 (en) |
MX (1) | MXPA01012163A (en) |
WO (1) | WO2000074173A1 (en) |
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US7372427B2 (en) * | 2003-03-28 | 2008-05-13 | Sarentel Limited | Dielectrically-loaded antenna |
KR100793646B1 (en) * | 2004-07-28 | 2008-01-11 | 스카이크로스 인코포레이티드 | Handset quadrifilar helical antenna mechanical structures |
TWI244237B (en) * | 2004-11-12 | 2005-11-21 | Emtac Technology Corp | Quadri-filar helix antenna structure |
TW200713693A (en) | 2005-06-21 | 2007-04-01 | Sarantel Ltd | An antenna and an antenna feed structure |
US7342554B2 (en) * | 2005-11-25 | 2008-03-11 | Inpaq Technology Co., Ltd. | Column antenna apparatus and a manufacturing method thereof |
GB2437998B (en) * | 2006-05-12 | 2009-11-11 | Sarantel Ltd | An antenna system |
GB2441566A (en) * | 2006-09-06 | 2008-03-12 | Sarantel Ltd | An antenna and its feed structure |
US7554509B2 (en) * | 2006-08-25 | 2009-06-30 | Inpaq Technology Co., Ltd. | Column antenna apparatus and method for manufacturing the same |
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 |
US7394435B1 (en) * | 2006-12-08 | 2008-07-01 | Wide Sky Technology, Inc. | Slot antenna |
GB2444750B (en) | 2006-12-14 | 2010-04-21 | Sarantel Ltd | An antenna arrangement |
GB2444749B (en) * | 2006-12-14 | 2009-11-18 | Sarantel Ltd | A radio communication system |
GB2449837B (en) * | 2006-12-20 | 2011-09-07 | Sarantel Ltd | A dielectrically-loaded antenna |
GB0700276D0 (en) | 2007-01-08 | 2007-02-14 | Sarantel Ltd | A dielectrically-loaded antenna |
US8089421B2 (en) * | 2008-01-08 | 2012-01-03 | Sarantel Limited | Dielectrically loaded antenna |
US8799861B2 (en) * | 2008-01-30 | 2014-08-05 | Intuit Inc. | Performance-testing a system with functional-test software and a transformation-accelerator |
GB0904307D0 (en) * | 2009-03-12 | 2009-04-22 | Sarantel Ltd | A dielectrically-loaded antenna |
WO2010103264A1 (en) * | 2009-03-12 | 2010-09-16 | Sarantel Limited | A dielectrically loaded antenna |
US8106846B2 (en) | 2009-05-01 | 2012-01-31 | Applied Wireless Identifications Group, Inc. | Compact circular polarized antenna |
US8456375B2 (en) * | 2009-05-05 | 2013-06-04 | Sarantel Limited | Multifilar antenna |
CA2765924C (en) * | 2009-07-02 | 2016-02-16 | Elektrobit Wireless Communications Oy | Multiresonance helix antenna |
US8618998B2 (en) | 2009-07-21 | 2013-12-31 | Applied Wireless Identifications Group, Inc. | Compact circular polarized antenna with cavity for additional devices |
US20110215986A1 (en) * | 2010-03-04 | 2011-09-08 | Sarantel Limited | Antenna Assembly |
GB201108016D0 (en) | 2011-05-13 | 2011-06-29 | Sarantel Ltd | An antenna and a method of manufacture thereof |
FR3008550B1 (en) * | 2013-07-15 | 2015-08-21 | Inst Mines Telecom Telecom Bretagne | STOP-TYPE ANTENNA AND ANTENNA STRUCTURE AND ANTENNA ASSEMBLY THEREOF |
WO2016163909A1 (en) * | 2015-04-09 | 2016-10-13 | Limited Liability Company "Topcon Positioning Systems" | Broadband helical antenna with cutoff pattern |
CN105226388B (en) * | 2015-09-25 | 2021-11-16 | 陕西永诺信息科技有限公司 | Full-band navigation antenna |
US9912039B2 (en) * | 2015-10-23 | 2018-03-06 | Te Connectivity Corporation | Wireless communication device and antenna assembly |
US10263335B2 (en) * | 2017-09-11 | 2019-04-16 | Apple Inc. | Electronic device antennas having shared structures for near-field communications and non-near field communications |
JP6914598B2 (en) * | 2017-10-03 | 2021-08-04 | 日本アンテナ株式会社 | Circularly polarized antenna and diversity communication system |
US10700428B2 (en) | 2018-02-06 | 2020-06-30 | Harris Solutions NY, Inc. | Dual band octafilar antenna |
CN113131181B (en) * | 2019-12-30 | 2023-11-21 | 成都鼎桥通信技术有限公司 | Terminal Equipment |
CN116435785B (en) * | 2023-06-08 | 2023-09-08 | 广东工业大学 | Omnidirectional double-circular polarization spiral antenna and communication equipment |
CN116979246B (en) * | 2023-09-20 | 2023-12-19 | 浪潮(山东)计算机科技有限公司 | Communication antenna and communication equipment |
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US4008479A (en) * | 1975-11-03 | 1977-02-15 | Chu Associates, Inc. | Dual-frequency circularly polarized spiral antenna for satellite navigation |
GB2292638A (en) * | 1994-08-25 | 1996-02-28 | Symmetricom Inc | Three-dimensional antenna structure |
GB2310543A (en) * | 1996-02-23 | 1997-08-27 | Symmetricom Inc | An antenna |
GB2311675A (en) * | 1996-03-29 | 1997-10-01 | Symmetricom Inc | Dual frequency helical aerial with diplexer to separate the bands |
GB2317057A (en) * | 1996-11-01 | 1998-03-11 | Symmetricom Inc | Dielectric-loaded antenna |
GB2321785A (en) * | 1996-11-27 | 1998-08-05 | Symmetricom Inc | A dielectric-loaded antenna |
WO1999017395A2 (en) * | 1997-09-24 | 1999-04-08 | Magellan Corporation | Quadrifilar antenna |
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-
1999
- 1999-05-27 GB GBGB9912441.4A patent/GB9912441D0/en not_active Ceased
- 1999-08-12 US US09/372,865 patent/US6300917B1/en not_active Expired - Lifetime
-
2000
- 2000-05-24 WO PCT/GB2000/001983 patent/WO2000074173A1/en active IP Right Grant
- 2000-05-24 CA CA002373941A patent/CA2373941C/en not_active Expired - Fee Related
- 2000-05-24 DE DE60034042T patent/DE60034042T2/en not_active Expired - Lifetime
- 2000-05-24 CN CNB008081441A patent/CN1280946C/en not_active Expired - Fee Related
- 2000-05-24 AU AU50870/00A patent/AU769570B2/en not_active Ceased
- 2000-05-24 EP EP00935317A patent/EP1196963B1/en not_active Expired - Lifetime
- 2000-05-24 KR KR1020017015039A patent/KR100767329B1/en not_active IP Right Cessation
- 2000-05-24 GB GB0012658A patent/GB2351850B/en not_active Expired - Fee Related
- 2000-05-24 AT AT00935317T patent/ATE357750T1/en not_active IP Right Cessation
- 2000-05-24 JP JP2001500367A patent/JP4077197B2/en not_active Expired - Fee Related
- 2000-05-24 ES ES00935317T patent/ES2283301T3/en not_active Expired - Lifetime
- 2000-05-24 BR BR0010954-1A patent/BR0010954A/en not_active IP Right Cessation
- 2000-05-24 MX MXPA01012163A patent/MXPA01012163A/en active IP Right Grant
- 2000-05-24 CN CN2006101701485A patent/CN101043099B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4008479A (en) * | 1975-11-03 | 1977-02-15 | Chu Associates, Inc. | Dual-frequency circularly polarized spiral antenna for satellite navigation |
GB2292638A (en) * | 1994-08-25 | 1996-02-28 | Symmetricom Inc | Three-dimensional antenna structure |
GB2310543A (en) * | 1996-02-23 | 1997-08-27 | Symmetricom Inc | An antenna |
GB2311675A (en) * | 1996-03-29 | 1997-10-01 | Symmetricom Inc | Dual frequency helical aerial with diplexer to separate the bands |
GB2317057A (en) * | 1996-11-01 | 1998-03-11 | Symmetricom Inc | Dielectric-loaded antenna |
GB2321785A (en) * | 1996-11-27 | 1998-08-05 | Symmetricom Inc | A dielectric-loaded antenna |
WO1999017395A2 (en) * | 1997-09-24 | 1999-04-08 | Magellan Corporation | Quadrifilar antenna |
Also Published As
Publication number | Publication date |
---|---|
US6300917B1 (en) | 2001-10-09 |
ES2283301T3 (en) | 2007-11-01 |
JP2003501852A (en) | 2003-01-14 |
GB2351850A (en) | 2001-01-10 |
CN1354897A (en) | 2002-06-19 |
CN1280946C (en) | 2006-10-18 |
CN101043099B (en) | 2012-06-27 |
JP4077197B2 (en) | 2008-04-16 |
CA2373941C (en) | 2008-01-22 |
CN101043099A (en) | 2007-09-26 |
GB2351850B (en) | 2003-08-27 |
KR100767329B1 (en) | 2007-10-17 |
KR20020012236A (en) | 2002-02-15 |
DE60034042D1 (en) | 2007-05-03 |
CA2373941A1 (en) | 2000-12-07 |
MXPA01012163A (en) | 2003-06-30 |
DE60034042T2 (en) | 2007-12-06 |
GB0012658D0 (en) | 2000-07-12 |
BR0010954A (en) | 2002-03-26 |
GB9912441D0 (en) | 1999-07-28 |
EP1196963A1 (en) | 2002-04-17 |
ATE357750T1 (en) | 2007-04-15 |
EP1196963B1 (en) | 2007-03-21 |
AU769570B2 (en) | 2004-01-29 |
AU5087000A (en) | 2000-12-18 |
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