GB2399948B - A dielectrically-loaded antenna - Google Patents

A dielectrically-loaded antenna

Info

Publication number
GB2399948B
GB2399948B GB0307251A GB0307251A GB2399948B GB 2399948 B GB2399948 B GB 2399948B GB 0307251 A GB0307251 A GB 0307251A GB 0307251 A GB0307251 A GB 0307251A GB 2399948 B GB2399948 B GB 2399948B
Authority
GB
United Kingdom
Prior art keywords
conductive
core
elements
dielectrically
edges
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 - Fee Related
Application number
GB0307251A
Other languages
English (en)
Other versions
GB2399948A (en
GB0307251D0 (en
Inventor
Oliver Paul Leisten
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.)
Sarantel Ltd
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
Priority to GB0307251A priority Critical patent/GB2399948B/en
Publication of GB0307251D0 publication Critical patent/GB0307251D0/en
Priority to US10/457,717 priority patent/US6914580B2/en
Priority to AU2004223229A priority patent/AU2004223229B2/en
Priority to RU2005129344/09A priority patent/RU2339131C2/ru
Priority to JP2006505967A priority patent/JP4489759B2/ja
Priority to EP04720919A priority patent/EP1609213B1/en
Priority to AT04720919T priority patent/ATE378702T1/de
Priority to CA002521493A priority patent/CA2521493A1/en
Priority to MXPA05010441A priority patent/MXPA05010441A/es
Priority to DE602004010085T priority patent/DE602004010085T2/de
Priority to KR1020057018375A priority patent/KR101058130B1/ko
Priority to BRPI0408751-8A priority patent/BRPI0408751A/pt
Priority to PCT/GB2004/001109 priority patent/WO2004086561A1/en
Priority to CN200480008651XA priority patent/CN1768450B/zh
Priority to TW093107605A priority patent/TWI285980B/zh
Publication of GB2399948A publication Critical patent/GB2399948A/en
Priority to US11/088,247 priority patent/US7372427B2/en
Application granted granted Critical
Publication of GB2399948B publication Critical patent/GB2399948B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/0003—
    • 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

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Waveguide Aerials (AREA)
GB0307251A 2003-03-28 2003-03-28 A dielectrically-loaded antenna Expired - Fee Related GB2399948B (en)

Priority Applications (16)

Application Number Priority Date Filing Date Title
GB0307251A GB2399948B (en) 2003-03-28 2003-03-28 A dielectrically-loaded antenna
US10/457,717 US6914580B2 (en) 2003-03-28 2003-06-09 Dielectrically-loaded antenna
MXPA05010441A MXPA05010441A (es) 2003-03-28 2004-03-16 Una antena dielectricamente cargada.
BRPI0408751-8A BRPI0408751A (pt) 2003-03-28 2004-03-16 antena dieletricamente carregada
JP2006505967A JP4489759B2 (ja) 2003-03-28 2004-03-16 誘電体装荷アンテナ
EP04720919A EP1609213B1 (en) 2003-03-28 2004-03-16 A dielectrically-loaded antenna
AT04720919T ATE378702T1 (de) 2003-03-28 2004-03-16 Dielektrisch belastete antenne
CA002521493A CA2521493A1 (en) 2003-03-28 2004-03-16 A dielectrically-loaded antenna
AU2004223229A AU2004223229B2 (en) 2003-03-28 2004-03-16 A dielectrically-loaded antenna
DE602004010085T DE602004010085T2 (de) 2003-03-28 2004-03-16 Dielektrisch belastete antenne
KR1020057018375A KR101058130B1 (ko) 2003-03-28 2004-03-16 유전적으로 로딩된 안테나
RU2005129344/09A RU2339131C2 (ru) 2003-03-28 2004-03-16 Антенна с диэлектрическим заполнением
PCT/GB2004/001109 WO2004086561A1 (en) 2003-03-28 2004-03-16 A dielectrically-loaded antenna
CN200480008651XA CN1768450B (zh) 2003-03-28 2004-03-16 介质负载天线
TW093107605A TWI285980B (en) 2003-03-28 2004-03-22 A dielectrically-loaded antenna
US11/088,247 US7372427B2 (en) 2003-03-28 2005-03-23 Dielectrically-loaded antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0307251A GB2399948B (en) 2003-03-28 2003-03-28 A dielectrically-loaded antenna

Publications (3)

Publication Number Publication Date
GB0307251D0 GB0307251D0 (en) 2003-04-30
GB2399948A GB2399948A (en) 2004-09-29
GB2399948B true GB2399948B (en) 2006-06-21

Family

ID=9955774

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0307251A Expired - Fee Related GB2399948B (en) 2003-03-28 2003-03-28 A dielectrically-loaded antenna

Country Status (15)

Country Link
US (1) US6914580B2 (enExample)
EP (1) EP1609213B1 (enExample)
JP (1) JP4489759B2 (enExample)
KR (1) KR101058130B1 (enExample)
CN (1) CN1768450B (enExample)
AT (1) ATE378702T1 (enExample)
AU (1) AU2004223229B2 (enExample)
BR (1) BRPI0408751A (enExample)
CA (1) CA2521493A1 (enExample)
DE (1) DE602004010085T2 (enExample)
GB (1) GB2399948B (enExample)
MX (1) MXPA05010441A (enExample)
RU (1) RU2339131C2 (enExample)
TW (1) TWI285980B (enExample)
WO (1) WO2004086561A1 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2473676B (en) * 2009-09-22 2012-10-24 Sarantel Ltd An antenna assembly with an integrated coaxial connector
US8436783B2 (en) 2009-03-12 2013-05-07 Sarantel Limited Dielectrically-loaded antenna
US8456375B2 (en) 2009-05-05 2013-06-04 Sarantel Limited Multifilar antenna
US8624795B2 (en) 2009-03-12 2014-01-07 Sarantel Limited Dielectrically loaded antenna

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6380751B2 (en) 1992-06-11 2002-04-30 Cascade Microtech, Inc. Wafer probe station having environment control enclosure
US5345170A (en) 1992-06-11 1994-09-06 Cascade Microtech, Inc. Wafer probe station having integrated guarding, Kelvin connection and shielding systems
US6232789B1 (en) 1997-05-28 2001-05-15 Cascade Microtech, Inc. Probe holder for low current measurements
US5561377A (en) 1995-04-14 1996-10-01 Cascade Microtech, Inc. System for evaluating probing networks
US5914613A (en) 1996-08-08 1999-06-22 Cascade Microtech, Inc. Membrane probing system with local contact scrub
US6002263A (en) 1997-06-06 1999-12-14 Cascade Microtech, Inc. Probe station having inner and outer shielding
US6256882B1 (en) 1998-07-14 2001-07-10 Cascade Microtech, Inc. Membrane probing system
US6578264B1 (en) 1999-06-04 2003-06-17 Cascade Microtech, Inc. Method for constructing a membrane probe using a depression
US6445202B1 (en) 1999-06-30 2002-09-03 Cascade Microtech, Inc. Probe station thermal chuck with shielding for capacitive current
US6838890B2 (en) 2000-02-25 2005-01-04 Cascade Microtech, Inc. Membrane probing system
US6965226B2 (en) 2000-09-05 2005-11-15 Cascade Microtech, Inc. Chuck for holding a device under test
US6914423B2 (en) 2000-09-05 2005-07-05 Cascade Microtech, Inc. Probe station
DE10143173A1 (de) 2000-12-04 2002-06-06 Cascade Microtech Inc Wafersonde
US7355420B2 (en) 2001-08-21 2008-04-08 Cascade Microtech, Inc. Membrane probing system
US6777964B2 (en) 2002-01-25 2004-08-17 Cascade Microtech, Inc. Probe station
JP2005527823A (ja) 2002-05-23 2005-09-15 カスケード マイクロテック インコーポレイテッド デバイスのテスト用プローブ
US6847219B1 (en) 2002-11-08 2005-01-25 Cascade Microtech, Inc. Probe station with low noise characteristics
US6724205B1 (en) 2002-11-13 2004-04-20 Cascade Microtech, Inc. Probe for combined signals
US7250779B2 (en) 2002-11-25 2007-07-31 Cascade Microtech, Inc. Probe station with low inductance path
US6861856B2 (en) 2002-12-13 2005-03-01 Cascade Microtech, Inc. Guarded tub enclosure
GB0505771D0 (en) * 2005-03-21 2005-04-27 Sarantel Ltd Dielectrically-loaded antenna
US7221172B2 (en) 2003-05-06 2007-05-22 Cascade Microtech, Inc. Switched suspended conductor and connection
US7492172B2 (en) 2003-05-23 2009-02-17 Cascade Microtech, Inc. Chuck for holding a device under test
US7057404B2 (en) 2003-05-23 2006-06-06 Sharp Laboratories Of America, Inc. Shielded probe for testing a device under test
WO2006017078A2 (en) 2004-07-07 2006-02-16 Cascade Microtech, Inc. Probe head having a membrane suspended probe
US7250626B2 (en) 2003-10-22 2007-07-31 Cascade Microtech, Inc. Probe testing structure
US7187188B2 (en) 2003-12-24 2007-03-06 Cascade Microtech, Inc. Chuck with integrated wafer support
WO2005065258A2 (en) 2003-12-24 2005-07-21 Cascade Microtech, Inc. Active wafer probe
US7176705B2 (en) 2004-06-07 2007-02-13 Cascade Microtech, Inc. Thermal optical chuck
US7330041B2 (en) 2004-06-14 2008-02-12 Cascade Microtech, Inc. Localizing a temperature of a device for testing
KR20070058522A (ko) 2004-09-13 2007-06-08 캐스케이드 마이크로테크 인코포레이티드 양측 프루빙 구조
US7002530B1 (en) * 2004-09-30 2006-02-21 Etop Technology Co., Ltd. Antenna
US7535247B2 (en) 2005-01-31 2009-05-19 Cascade Microtech, Inc. Interface for testing semiconductors
US7656172B2 (en) 2005-01-31 2010-02-02 Cascade Microtech, Inc. System for testing semiconductors
US7449899B2 (en) 2005-06-08 2008-11-11 Cascade Microtech, Inc. Probe for high frequency signals
EP1932003A2 (en) 2005-06-13 2008-06-18 Cascade Microtech, Inc. Wideband active-passive differential signal probe
GB2437998B (en) * 2006-05-12 2009-11-11 Sarantel Ltd An antenna system
DE112007001399T5 (de) 2006-06-09 2009-05-07 Cascade Microtech, Inc., Beaverton Messfühler für differentielle Signale mit integrierter Symmetrieschaltung
US7764072B2 (en) 2006-06-12 2010-07-27 Cascade Microtech, Inc. Differential signal probing system
US7723999B2 (en) 2006-06-12 2010-05-25 Cascade Microtech, Inc. Calibration structures for differential signal probing
US7443186B2 (en) 2006-06-12 2008-10-28 Cascade Microtech, Inc. On-wafer test structures for differential signals
US7403028B2 (en) 2006-06-12 2008-07-22 Cascade Microtech, Inc. Test structure and probe for differential signals
GB2441566A (en) * 2006-09-06 2008-03-12 Sarantel Ltd An antenna and its feed structure
GB2442998B (en) * 2006-10-20 2010-01-06 Sarantel Ltd A dielectrically-loaded antenna
US7394435B1 (en) * 2006-12-08 2008-07-01 Wide Sky Technology, Inc. Slot antenna
GB2444749B (en) * 2006-12-14 2009-11-18 Sarantel Ltd A radio communication system
GB2444750B (en) 2006-12-14 2010-04-21 Sarantel Ltd An antenna arrangement
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
US7876114B2 (en) 2007-08-08 2011-01-25 Cascade Microtech, Inc. Differential waveguide probe
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
GB0815306D0 (en) * 2008-08-21 2008-09-24 Sarantel Ltd An antenna and a method of manufacturing an antenna
US7888957B2 (en) 2008-10-06 2011-02-15 Cascade Microtech, Inc. Probing apparatus with impedance optimized interface
WO2010059247A2 (en) 2008-11-21 2010-05-27 Cascade Microtech, Inc. Replaceable coupon for a probing apparatus
US8319503B2 (en) 2008-11-24 2012-11-27 Cascade Microtech, Inc. Test apparatus for measuring a characteristic of a device under test
US8106846B2 (en) * 2009-05-01 2012-01-31 Applied Wireless Identifications Group, Inc. Compact circular polarized antenna
US8618998B2 (en) 2009-07-21 2013-12-31 Applied Wireless Identifications Group, Inc. Compact circular polarized antenna with cavity for additional devices
GB2477289B (en) 2010-01-27 2014-08-13 Harris Corp A radio communication apparatus having improved resistance to common mode noise
US8736513B2 (en) 2010-01-27 2014-05-27 Sarantel Limited Dielectrically loaded antenna and radio communication apparatus
GB2477290B (en) 2010-01-27 2014-04-09 Harris Corp A dielectrically loaded antenna and radio communication apparatus
US9531068B2 (en) 2011-04-21 2016-12-27 General Wireless IP Holdings, LLC Efficient loop antenna system and method
CN109742519B (zh) * 2018-12-17 2020-08-21 深圳市华信天线技术有限公司 一种宽带螺旋组合多网通天线
US12060148B2 (en) 2022-08-16 2024-08-13 Honeywell International Inc. Ground resonance detection and warning system and method

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114164A (en) * 1976-12-17 1978-09-12 Transco Products, Inc. Broadband spiral antenna
GB2292638A (en) * 1994-08-25 1996-02-28 Symmetricom Inc Three-dimensional antenna structure
GB2321785A (en) * 1996-11-27 1998-08-05 Symmetricom Inc A dielectric-loaded antenna
JP2000036707A (ja) * 1998-07-17 2000-02-02 Takayuki Ishizone 装荷４線ヘリカルアンテナ
GB2351850A (en) * 1999-05-27 2001-01-10 Symmetricom Inc An antenna operable at different frequencies.
US6288686B1 (en) * 2000-06-23 2001-09-11 The United States Of America As Represented By The Secretary Of The Navy Tapered direct fed quadrifilar helix antenna
US20010045916A1 (en) * 2000-05-18 2001-11-29 Mitsumi Electric Co. Ltd. Helical antenna, antenna unit, composite antenna
WO2002023673A1 (fr) * 2000-09-15 2002-03-21 France Telecom Antenne helicoïdale a pas variable, et procede correspondant
FR2814286A1 (fr) * 2000-09-15 2002-03-22 France Telecom Antenne helice a brins de largeur variable
US6407720B1 (en) * 1999-07-19 2002-06-18 The United States Of America As Represented By The Secretary Of The Navy Capacitively loaded quadrifilar helix antenna

Family Cites Families (15)

* Cited by examiner, † Cited by third party
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
SU774562A1 (ru) * 1978-09-07 1980-10-30 Предприятие П/Я А-3325 Излучатель дл дециметровой терапии
FR2624656B1 (fr) * 1987-12-10 1990-05-18 Centre Nat Etd Spatiales Antenne de type helice et son procede de realisation
US5198831A (en) 1990-09-26 1993-03-30 501 Pronav International, Inc. Personal positioning satellite navigator with printed quadrifilar helical antenna
US5346300A (en) * 1991-07-05 1994-09-13 Sharp Kabushiki Kaisha Back fire helical antenna
FR2711277B1 (fr) 1993-10-14 1995-11-10 Alcatel Mobile Comm France Antenne du type pour dispositif radio portable, procédé de fabrication d'une telle antenne et dispositif radio portable comportant une telle antenne.
RU2173009C2 (ru) * 1994-08-25 2001-08-27 СимметриКом, Инк. Антенна
US5708448A (en) * 1995-06-16 1998-01-13 Qualcomm Incorporated Double helix antenna system
GB9601250D0 (en) 1996-01-23 1996-03-27 Symmetricom Inc An antenna
GB9603914D0 (en) * 1996-02-23 1996-04-24 Symmetricom Inc An antenna
FR2746547B1 (fr) 1996-03-19 1998-06-19 France Telecom Antenne helice a alimentation large bande integree, et procedes de fabrication correspondants
GB9606593D0 (en) * 1996-03-29 1996-06-05 Symmetricom Inc An antenna system
SE514530C2 (sv) 1998-05-18 2001-03-12 Allgon Ab Antennanordning omfattande kapacitivt kopplade radiotorelement och en handburen radiokommunikationsanordning för en sådan antennanordning
GB9902765D0 (en) * 1999-02-08 1999-03-31 Symmetricom Inc An antenna
US6088000A (en) 1999-03-05 2000-07-11 Garmin Corporation Quadrifilar tapered slot antenna

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114164A (en) * 1976-12-17 1978-09-12 Transco Products, Inc. Broadband spiral antenna
GB2292638A (en) * 1994-08-25 1996-02-28 Symmetricom Inc Three-dimensional antenna structure
GB2321785A (en) * 1996-11-27 1998-08-05 Symmetricom Inc A dielectric-loaded antenna
JP2000036707A (ja) * 1998-07-17 2000-02-02 Takayuki Ishizone 装荷４線ヘリカルアンテナ
GB2351850A (en) * 1999-05-27 2001-01-10 Symmetricom Inc An antenna operable at different frequencies.
US6407720B1 (en) * 1999-07-19 2002-06-18 The United States Of America As Represented By The Secretary Of The Navy Capacitively loaded quadrifilar helix antenna
US20010045916A1 (en) * 2000-05-18 2001-11-29 Mitsumi Electric Co. Ltd. Helical antenna, antenna unit, composite antenna
US6288686B1 (en) * 2000-06-23 2001-09-11 The United States Of America As Represented By The Secretary Of The Navy Tapered direct fed quadrifilar helix antenna
WO2002023673A1 (fr) * 2000-09-15 2002-03-21 France Telecom Antenne helicoïdale a pas variable, et procede correspondant
FR2814286A1 (fr) * 2000-09-15 2002-03-22 France Telecom Antenne helice a brins de largeur variable

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8436783B2 (en) 2009-03-12 2013-05-07 Sarantel Limited Dielectrically-loaded antenna
US8624795B2 (en) 2009-03-12 2014-01-07 Sarantel Limited Dielectrically loaded antenna
TWI508369B (zh) * 2009-03-12 2015-11-11 Harris Corp 介電負載天線（一）
US8456375B2 (en) 2009-05-05 2013-06-04 Sarantel Limited Multifilar antenna
GB2473676B (en) * 2009-09-22 2012-10-24 Sarantel Ltd An antenna assembly with an integrated coaxial connector

Also Published As

Publication number Publication date
KR101058130B1 (ko) 2011-08-24
ATE378702T1 (de) 2007-11-15
AU2004223229A1 (en) 2004-10-07
CN1768450A (zh) 2006-05-03
WO2004086561A1 (en) 2004-10-07
DE602004010085D1 (de) 2007-12-27
MXPA05010441A (es) 2005-12-05
EP1609213A1 (en) 2005-12-28
US20040189541A1 (en) 2004-09-30
RU2005129344A (ru) 2006-03-27
BRPI0408751A (pt) 2006-03-28
TW200505097A (en) 2005-02-01
GB2399948A (en) 2004-09-29
TWI285980B (en) 2007-08-21
RU2339131C2 (ru) 2008-11-20
CN1768450B (zh) 2012-02-08
DE602004010085T2 (de) 2008-10-30
US6914580B2 (en) 2005-07-05
EP1609213B1 (en) 2007-11-14
KR20060031797A (ko) 2006-04-13
JP2006521733A (ja) 2006-09-21
GB0307251D0 (en) 2003-04-30
CA2521493A1 (en) 2004-10-07
AU2004223229B2 (en) 2008-06-19
JP4489759B2 (ja) 2010-06-23

Similar Documents

Publication Publication Date Title
GB2399948B (en) A dielectrically-loaded antenna
MX2009005620A (es) Una antena cargada dielectricamente y un ensamble de antena.
ZA200307057B (en) Dual-polarized radiating assembly.
CN101043099A (zh) 具有至少两个谐振频率的回路天线
GB0030741D0 (en) Antenna arrangement
JP2006521733A5 (enExample)
TW200742171A (en) Small-sized wide band antenna and wireless communication apparatus
MX2009007344A (es) Antena cargada dielectricamente.
EP1848061A3 (en) Multi-band antenna
GB0218820D0 (en) An electrically small dielectric resonator antenna with wide bandwith
BR0006101A (pt) Antena de múltiplas bandas
CA2618688A1 (en) Toroidal inductor design for improved q
CN102349194A (zh) 一种电介质负载天线
TW200605435A (en) Dual band and broadband flat dipole antenna
CA2490668A1 (en) Flat wideband antenna
DE602004020748D1 (de) Wendelantenne aus vier Leitern
RU2013101586A (ru) Высокочастотная антенна
TW200642172A (en) A dielectrically-loaded antenna
WO2009138729A1 (en) A dielectrically-loaded antenna
JP4711089B2 (ja) オープンスタブを有する低周波帯域のヘリカルアンテナ
KR20130133556A (ko) 통신 시스템에서 접이식 대수주기 안테나
EP3972053B1 (en) Antenna device
JP2009225262A (ja) ヘリカルアンテナ
JP2005045599A5 (enExample)
KR101305919B1 (ko) 다중대역 방송용 로드 안테나

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120614 AND 20120620

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20131128 AND 20131204

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140328