DE69717806D1 - Antenne mit variabler richtcharakteristik und steuerverfahren dazu - Google Patents

Antenne mit variabler richtcharakteristik und steuerverfahren dazu

Info

Publication number
DE69717806D1
DE69717806D1 DE69717806T DE69717806T DE69717806D1 DE 69717806 D1 DE69717806 D1 DE 69717806D1 DE 69717806 T DE69717806 T DE 69717806T DE 69717806 T DE69717806 T DE 69717806T DE 69717806 D1 DE69717806 D1 DE 69717806D1
Authority
DE
Germany
Prior art keywords
antenna
control method
directional characteristics
variable directional
variable
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
DE69717806T
Other languages
English (en)
Other versions
DE69717806T2 (de
Inventor
Keiichi Sadahiro
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69717806D1 publication Critical patent/DE69717806D1/de
Publication of DE69717806T2 publication Critical patent/DE69717806T2/de
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
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
    • H01Q19/30—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
DE69717806T 1997-03-18 1997-03-18 Antenne mit variabler richtcharakteristik und steuerverfahren dazu Expired - Fee Related DE69717806T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1997/000861 WO1998042041A1 (fr) 1997-03-18 1997-03-18 Antenne a directivite variable et son procede de commande

Publications (2)

Publication Number Publication Date
DE69717806D1 true DE69717806D1 (de) 2003-01-23
DE69717806T2 DE69717806T2 (de) 2003-11-06

Family

ID=14180226

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69717806T Expired - Fee Related DE69717806T2 (de) 1997-03-18 1997-03-18 Antenne mit variabler richtcharakteristik und steuerverfahren dazu

Country Status (6)

Country Link
US (1) US6049310A (de)
EP (1) EP0902498B1 (de)
JP (1) JP3399545B2 (de)
AU (1) AU1942697A (de)
DE (1) DE69717806T2 (de)
WO (1) WO1998042041A1 (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3447579B2 (ja) * 1998-10-07 2003-09-16 松下電器産業株式会社 無線通信装置及び無線通信方法
JP2000216724A (ja) * 1999-01-26 2000-08-04 Mitsubishi Electric Corp 移動体通信システムおよびその通信方法
FI990687A (fi) * 1999-03-29 2000-09-30 Nokia Mobile Phones Ltd Langattoman viestimen antennin sovitusjärjestelmä
US6181284B1 (en) * 1999-05-28 2001-01-30 3 Com Corporation Antenna for portable computers
US6310585B1 (en) * 1999-09-29 2001-10-30 Radio Frequency Systems, Inc. Isolation improvement mechanism for dual polarization scanning antennas
JP2001136026A (ja) * 1999-11-05 2001-05-18 Hitachi Ltd 携帯無線端末
US6492942B1 (en) * 1999-11-09 2002-12-10 Com Dev International, Inc. Content-based adaptive parasitic array antenna system
JP3491682B2 (ja) * 1999-12-22 2004-01-26 日本電気株式会社 線状アンテナ
JP3410421B2 (ja) * 2000-02-29 2003-05-26 松下電器産業株式会社 アンテナ装置
AU2001282546A1 (en) * 2000-08-31 2002-03-13 Matsushita Electric Industrial Co., Ltd. Built-in antenna for radio communication terminal
US6434372B1 (en) * 2001-01-12 2002-08-13 The Regents Of The University Of California Long-range, full-duplex, modulated-reflector cell phone for voice/data transmission
JP2002280942A (ja) 2001-03-15 2002-09-27 Nec Corp 可変指向性アンテナを備えた情報端末装置
US7004128B2 (en) * 2001-06-15 2006-02-28 Denso Corporation Control apparatus for device having dead band, and variable valve system
AU2002347523A1 (en) * 2001-12-06 2003-06-17 Koninklijke Philips Electronics N.V. Parasitic elements diversity antenna
US7038626B2 (en) 2002-01-23 2006-05-02 Ipr Licensing, Inc. Beamforming using a backplane and passive antenna element
WO2003077358A2 (en) * 2002-03-08 2003-09-18 Ipr Licensing, Inc. Adaptive receive and omnidirectional transmit antenna array
KR20040111409A (ko) * 2002-03-14 2004-12-31 아이피알 라이센싱, 인코포레이티드 적응형 안테나 어레이를 구비한 이동 통신 핸드세트
CN1675798A (zh) * 2002-08-05 2005-09-28 皇家飞利浦电子股份有限公司 天线分集系统以及操作所说系统的方法
US6741200B2 (en) * 2002-08-14 2004-05-25 Intel Corporation Method and apparatus of stage amplifier of analog to digital converter
JP4212046B2 (ja) * 2003-03-20 2009-01-21 株式会社リコー 指向性可変アンテナおよび該アンテナを用いた電子機器、ならびに該アンテナを用いたアンテナ指向性制御方法
US7054739B2 (en) * 2003-05-01 2006-05-30 Honeywell International Inc. Radio navigation system
JP3884409B2 (ja) * 2003-06-04 2007-02-21 株式会社東芝 アンテナ装置および無線通信装置
US6972729B2 (en) * 2003-06-20 2005-12-06 Wang Electro-Opto Corporation Broadband/multi-band circular array antenna
JP4466827B2 (ja) 2003-12-11 2010-05-26 日本電気株式会社 アンテナ装置及び無線通信装置
JP4497917B2 (ja) * 2003-12-24 2010-07-07 パナソニック株式会社 アレーアンテナの制御装置及び制御方法
WO2005069434A1 (en) * 2004-01-06 2005-07-28 Pets & Supplies Hong Kong Limited Retractable antenna and wireless application systems incorporating same
CA2545517C (en) * 2004-03-11 2014-05-06 Telefonaktiebolaget Lm Ericsson (Publ) An antenna diversity system
CA2570166C (en) 2004-06-15 2013-03-12 Telefonaktiebolaget Lm Ericsson (Publ) Antenna diversity arrangement and method
JP2006066993A (ja) * 2004-08-24 2006-03-09 Sony Corp マルチビームアンテナ
JP4212540B2 (ja) * 2004-09-27 2009-01-21 アルプス電気株式会社 可変指向性アンテナ装置
KR20070112820A (ko) * 2005-03-25 2007-11-27 가부시키가이샤 야스카와덴키 자동 기계 시스템 및 그 무선 통신 방법
US7696940B1 (en) * 2005-05-04 2010-04-13 hField Technologies, Inc. Wireless networking adapter and variable beam width antenna
WO2007072710A1 (ja) * 2005-12-21 2007-06-28 Matsushita Electric Industrial Co., Ltd. 指向性可変アンテナ
JP2007221523A (ja) * 2006-02-17 2007-08-30 National Institute Of Information & Communication Technology アレーアンテナ装置
JPWO2007135821A1 (ja) * 2006-05-19 2009-10-01 株式会社村田製作所 整合器およびアンテナ整合回路
JP5294443B2 (ja) * 2007-06-21 2013-09-18 三星電子株式会社 アンテナ装置、及び無線通信端末
JP5014905B2 (ja) * 2007-07-12 2012-08-29 Ｄｘアンテナ株式会社 可変指向性アンテナ装置
WO2009050883A1 (ja) * 2007-10-19 2009-04-23 Panasonic Corporation アレーアンテナ装置
JP2009216465A (ja) * 2008-03-07 2009-09-24 Denso Corp タイヤ空気圧監視システム
US8214003B2 (en) * 2009-03-13 2012-07-03 Pong Research Corporation RF radiation redirection away from portable communication device user
US9172134B2 (en) 2008-11-06 2015-10-27 Antenna79, Inc. Protective cover for a wireless device
CN101800354B (zh) 2008-11-06 2015-03-11 庞研究有限公司 嵌入电池内的天线、无线设备和无线设备的智能外壳
TWI423524B (zh) * 2009-05-20 2014-01-11 Ind Tech Res Inst 具切換不同輻射場形之特性的天線結構與製作方法
JP5372177B2 (ja) * 2009-12-28 2013-12-18 パナソニック株式会社 可変指向性アンテナ装置
US9838060B2 (en) 2011-11-02 2017-12-05 Antenna79, Inc. Protective cover for a wireless device
JP2014110555A (ja) * 2012-12-03 2014-06-12 Samsung Electronics Co Ltd アンテナ装置
US20140292488A1 (en) * 2013-03-29 2014-10-02 Jerome Joseph Trohak InSight
TWI670896B (zh) * 2018-07-05 2019-09-01 泓博無線通訊技術有限公司 天線單元及具有天線單元的自適應天線控制模組

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS524896B1 (de) * 1970-12-10 1977-02-08
JPS50120545A (de) * 1974-03-06 1975-09-20
JPS5520081A (en) * 1978-08-01 1980-02-13 Maspro Denkoh Corp Reception antenna device for elimination of variable directional disturbing wave
JPS6017242B2 (ja) * 1978-08-30 1985-05-01 日本電信電話株式会社 アンテナ装置
JPS5610712A (en) * 1979-07-09 1981-02-03 Matsushita Electric Ind Co Ltd Antenna device
JPS5617536A (en) * 1979-07-24 1981-02-19 Fumio Ikegami Radio receiving device
JPS57136807A (en) * 1981-02-18 1982-08-24 General Denshi Kogyo Kk Directional variable antenna
US4628321A (en) * 1982-04-14 1986-12-09 Harris Corporation Aperture transformation sidelobe canceller
US4631546A (en) * 1983-04-11 1986-12-23 Rockwell International Corporation Electronically rotated antenna apparatus
US5293172A (en) * 1992-09-28 1994-03-08 The Boeing Company Reconfiguration of passive elements in an array antenna for controlling antenna performance
US5767807A (en) * 1996-06-05 1998-06-16 International Business Machines Corporation Communication system and methods utilizing a reactively controlled directive array

Also Published As

Publication number Publication date
JP3399545B2 (ja) 2003-04-21
EP0902498A1 (de) 1999-03-17
DE69717806T2 (de) 2003-11-06
EP0902498B1 (de) 2002-12-11
EP0902498A4 (de) 2000-05-10
US6049310A (en) 2000-04-11
WO1998042041A1 (fr) 1998-09-24
AU1942697A (en) 1998-10-12

Similar Documents

Publication Publication Date Title
DE69717806T2 (de) Antenne mit variabler richtcharakteristik und steuerverfahren dazu
DE69805899T2 (de) Richtstrahlantenne und Richtstrahlsteuerungsgerät
DE10007998B4 (de) Adaptives Antennenrichtwirkungssteuerungsverfahren und System dafür
DE69920084D1 (de) Antennenanordnung und Funkgerät mit einer derartigen Antenne
DE69910314D1 (de) Gruppenantenne und Funkgerät
DE69926589D1 (de) Antenne mit Filter und Funkgerät mit dieser Antenne
BR9608653A (pt) Antena direcional integrada
DE69928074D1 (de) Funkantenne
DE69922867D1 (de) CDMA Empfangsvorrichtung und Kommunikationssystem mit adaptiver Antenne
FR2765732B1 (fr) Antenne en helice variable
DE60027939D1 (de) Antennenanordnung und Funkgerät mit einer derartigen Antennenanordnung
NL1001551C2 (nl) Radio-antenne.
DE69817133D1 (de) Oberflächenmontierte Antenne und Kommunikationsgerät damit
DE60209290T8 (de) Gruppenantennensystem mit superhohem Gewinn und Steuerungsverfahren dafür
BR9700790A (pt) Conjunto de antena
DE69809392T2 (de) Antenne mit variabler geometrie
DE59914417D1 (de) Antennenanordnung und funkgerät
DE60040920D1 (de) Leistungssteuerungsverfahren und funksystem
AU2001239548A1 (en) Antenna directivity control method and radio apparatus
DE69605304T2 (de) Antennenanordnung und funkgerät
DE69626753T2 (de) Mikrostreifenleiterantenne mit kleinen Abmessungen und veränderbarer Leistung
DE69618834T2 (de) Mikrostreifenleiterantenne mit Strahlungssteuerung
DE59912070D1 (de) Funkgerät mit fernbedienung
DE59915023D1 (de) Antennenanordnung und Funkgerät
AU4505197A (en) Tilted element antenna having increased effective aperture and method therefor

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee