SG90050A1 - A radiocommunication device and a dual-frequency microstrip antenna - Google Patents

A radiocommunication device and a dual-frequency microstrip antenna

Info

Publication number
SG90050A1
SG90050A1 SG9901946A SG1999001946A SG90050A1 SG 90050 A1 SG90050 A1 SG 90050A1 SG 9901946 A SG9901946 A SG 9901946A SG 1999001946 A SG1999001946 A SG 1999001946A SG 90050 A1 SG90050 A1 SG 90050A1
Authority
SG
Singapore
Prior art keywords
dual
microstrip antenna
frequency microstrip
radiocommunication device
dimension
Prior art date
Application number
SG9901946A
Other languages
English (en)
Inventor
Grangeat Christophe
Herve Pascal
Lorcy Laurence
Ngounou Kouam Charles
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of SG90050A1 publication Critical patent/SG90050A1/en

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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means
    • 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
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element

Landscapes

  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
SG9901946A 1998-04-30 1999-04-26 A radiocommunication device and a dual-frequency microstrip antenna SG90050A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9805542A FR2778272B1 (fr) 1998-04-30 1998-04-30 Dispositif de radiocommunication et antenne bifrequence realisee selon la technique des microrubans

Publications (1)

Publication Number Publication Date
SG90050A1 true SG90050A1 (en) 2002-07-23

Family

ID=9525940

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9901946A SG90050A1 (en) 1998-04-30 1999-04-26 A radiocommunication device and a dual-frequency microstrip antenna

Country Status (12)

Country Link
US (1) US6218990B1 (de)
EP (1) EP0954055B1 (de)
JP (1) JPH11340728A (de)
CN (1) CN1164008C (de)
AT (1) ATE371276T1 (de)
AU (1) AU743866B2 (de)
CA (1) CA2267536A1 (de)
DE (1) DE69936903T2 (de)
ES (1) ES2293713T3 (de)
FR (1) FR2778272B1 (de)
SG (1) SG90050A1 (de)
TW (1) TW419860B (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2800920B1 (fr) 1999-11-08 2006-07-21 Cit Alcatel Dispositif de transmission bi-bande et antenne pour ce dispositif
FR2811479B1 (fr) * 2000-07-10 2005-01-21 Cit Alcatel Antenne a couche conductrice et dispositif de transmission bi-bande incluant cette antenne
AU2001280076B2 (en) * 2000-08-28 2007-04-05 In4Tel Ltd. Apparatus and method for enhancing low-frequency operation of mobile communication antennas
FR2822301B1 (fr) 2001-03-15 2004-06-04 Cit Alcatel Antenne a bande elargie pour appareils mobiles
US6747605B2 (en) 2001-05-07 2004-06-08 Atheros Communications, Inc. Planar high-frequency antenna
US6741219B2 (en) 2001-07-25 2004-05-25 Atheros Communications, Inc. Parallel-feed planar high-frequency antenna
US6734828B2 (en) 2001-07-25 2004-05-11 Atheros Communications, Inc. Dual band planar high-frequency antenna
FI115343B (fi) * 2001-10-22 2005-04-15 Filtronic Lk Oy Sisäinen monikaista-antenni
KR100500434B1 (ko) * 2002-04-10 2005-07-14 주식회사 선우커뮤니케이션 이동통신기기용 소형 미엔더 및 역 에프 구조를 이용한안테나
EP1522122A1 (de) * 2002-07-15 2005-04-13 Fractus S.A. Notch-gespeiste antenne
US6885343B2 (en) 2002-09-26 2005-04-26 Andrew Corporation Stripline parallel-series-fed proximity-coupled cavity backed patch antenna array
US7512404B2 (en) * 2002-11-21 2009-03-31 Bandspeed, Inc. Method and apparatus for sector channelization and polarization for reduced interference in wireless networks
US7248877B2 (en) * 2002-11-21 2007-07-24 Bandspeed, Inc. Multiple access wireless communications architecture
US7136655B2 (en) * 2002-11-21 2006-11-14 Bandspeed, Inc. Method and apparatus for coverage and throughput enhancement in a wireless communication system
US6778141B1 (en) * 2003-03-06 2004-08-17 D-Link Corporation Patch antenna with increased bandwidth
JP2005051747A (ja) * 2003-07-14 2005-02-24 Ngk Spark Plug Co Ltd アンテナ装置およびその製造方法
KR100675383B1 (ko) 2004-01-05 2007-01-29 삼성전자주식회사 극소형 초광대역 마이크로스트립 안테나
US7042403B2 (en) * 2004-01-23 2006-05-09 General Motors Corporation Dual band, low profile omnidirectional antenna
CN101558531B (zh) * 2006-12-15 2013-02-27 株式会社村田制作所 天线及具备该天线的通信装置
US20120313823A1 (en) * 2009-11-19 2012-12-13 Hardonex Llc Ruggedized antenna system and method
CN101771189B (zh) * 2009-12-12 2014-03-26 中国计量学院 宽带笔记本天线
CN101728647A (zh) * 2010-01-20 2010-06-09 刘智佳 小型化射频识别标签及其中的微带贴片天线
KR101801186B1 (ko) * 2011-02-25 2017-11-24 엘지전자 주식회사 이동 단말기
JP5475729B2 (ja) * 2011-08-26 2014-04-16 学校法人智香寺学園 板状逆ｆアンテナ
US9941584B2 (en) 2013-01-09 2018-04-10 Hrl Laboratories, Llc Reducing antenna array feed modules through controlled mutual coupling of a pixelated EM surface
CN105940553A (zh) * 2014-02-14 2016-09-14 Hrl实验室有限责任公司 像素化金属贴片的可重构电磁表面
DE102015100417A1 (de) 2015-01-13 2016-07-14 Krohne Messtechnik Gmbh Verfahren zur Bestimmung des Füllstands eines Mediums in einem Behälter
DE102015100414A1 (de) 2015-01-13 2016-07-14 Krohne Messtechnik Gmbh Vorrichtung zur Bestimmung des Füllstands eines Mediums in einem Behälter
DE102015100415A1 (de) 2015-01-13 2016-07-14 Krohne Messtechnik Gmbh Vorrichtung zur Bestimmung des Füllstands eines Mediums
TWI763017B (zh) 2020-08-28 2022-05-01 韋僑科技股份有限公司 用於金屬環境之天線結構與裝置
FR3118836B1 (fr) * 2021-01-11 2024-03-29 Hager Controls Dispositif d’antenne sur circuit imprimé et procédé de réalisation d’antenne(s) sur circuit(s) imprimé(s)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040060A (en) * 1976-11-10 1977-08-02 The United States Of America As Represented By The Secretary Of The Navy Notch fed magnetic microstrip dipole antenna with shorting pins
US4771291A (en) * 1985-08-30 1988-09-13 The United States Of America As Represented By The Secretary Of The Air Force Dual frequency microstrip antenna
EP0630069A1 (de) * 1992-12-07 1994-12-21 Ntt Mobile Communications Network Inc. Antennenvorrichtung
EP0777295A2 (de) * 1995-11-29 1997-06-04 Ntt Mobile Communications Network Inc. Antenne mit zwei Resonanzfrequenzen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4766440A (en) * 1986-12-11 1988-08-23 The United States Of America As Represented By The Secretary Of The Navy Triple frequency U-slot microstrip antenna
US5400040A (en) * 1993-04-28 1995-03-21 Raytheon Company Microstrip patch antenna

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040060A (en) * 1976-11-10 1977-08-02 The United States Of America As Represented By The Secretary Of The Navy Notch fed magnetic microstrip dipole antenna with shorting pins
US4771291A (en) * 1985-08-30 1988-09-13 The United States Of America As Represented By The Secretary Of The Air Force Dual frequency microstrip antenna
EP0630069A1 (de) * 1992-12-07 1994-12-21 Ntt Mobile Communications Network Inc. Antennenvorrichtung
EP0777295A2 (de) * 1995-11-29 1997-06-04 Ntt Mobile Communications Network Inc. Antenne mit zwei Resonanzfrequenzen

Also Published As

Publication number Publication date
EP0954055B1 (de) 2007-08-22
ATE371276T1 (de) 2007-09-15
CN1241045A (zh) 2000-01-12
FR2778272B1 (fr) 2000-09-08
US6218990B1 (en) 2001-04-17
ES2293713T3 (es) 2008-03-16
CN1164008C (zh) 2004-08-25
DE69936903D1 (de) 2007-10-04
AU743866B2 (en) 2002-02-07
AU2399399A (en) 1999-11-11
EP0954055A1 (de) 1999-11-03
DE69936903T2 (de) 2008-05-15
TW419860B (en) 2001-01-21
CA2267536A1 (fr) 1999-10-30
JPH11340728A (ja) 1999-12-10
FR2778272A1 (fr) 1999-11-05

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