ATE415721T1 - Antenne mit steuerbarer strahlungsrichtung - Google Patents

Antenne mit steuerbarer strahlungsrichtung

Info

Publication number
ATE415721T1
ATE415721T1 AT04806254T AT04806254T ATE415721T1 AT E415721 T1 ATE415721 T1 AT E415721T1 AT 04806254 T AT04806254 T AT 04806254T AT 04806254 T AT04806254 T AT 04806254T AT E415721 T1 ATE415721 T1 AT E415721T1
Authority
AT
Austria
Prior art keywords
orientation
radiation pattern
antenna
transmission element
dielectric material
Prior art date
Application number
AT04806254T
Other languages
English (en)
Inventor
Amit Mehta
Dariush Mirshekar
Original Assignee
Wivenhoe Technology 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
Priority claimed from GB0329934A external-priority patent/GB0329934D0/en
Priority claimed from GB0421002A external-priority patent/GB0421002D0/en
Application filed by Wivenhoe Technology Ltd filed Critical Wivenhoe Technology Ltd
Application granted granted Critical
Publication of ATE415721T1 publication Critical patent/ATE415721T1/de

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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/40—Element having extended radiating surface
    • 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
    • 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
    • H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/247—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
    • 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
    • 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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/27—Spiral antennas

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
AT04806254T 2003-12-24 2004-12-24 Antenne mit steuerbarer strahlungsrichtung ATE415721T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0329934A GB0329934D0 (en) 2003-12-24 2003-12-24 An antenna having controllable emission of radiation
GB0421002A GB0421002D0 (en) 2004-09-22 2004-09-22 An antenna having controllable emission of radiation

Publications (1)

Publication Number Publication Date
ATE415721T1 true ATE415721T1 (de) 2008-12-15

Family

ID=34712713

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04806254T ATE415721T1 (de) 2003-12-24 2004-12-24 Antenne mit steuerbarer strahlungsrichtung

Country Status (10)

Country Link
US (1) US20070008237A1 (de)
EP (1) EP1709706B1 (de)
JP (1) JP2007517444A (de)
AT (1) ATE415721T1 (de)
AU (1) AU2004304423B2 (de)
CA (1) CA2551559A1 (de)
DE (1) DE602004018033D1 (de)
EA (1) EA009969B1 (de)
ES (1) ES2321107T3 (de)
WO (1) WO2005062421A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101331648A (zh) 2006-04-14 2008-12-24 松下电器产业株式会社 偏振波切换-指向性可变天线
US8340714B2 (en) * 2007-12-14 2012-12-25 Microsoft Corporation Computing device with configurable antenna
JP2011524050A (ja) 2008-06-12 2011-08-25 マゼラン テクノロジー ピーティーワイ．エルティーディー． アンテナ設計およびインテロゲータシステム
JP2011239302A (ja) * 2010-05-12 2011-11-24 Fujitsu Ltd アンテナ装置
US8884834B1 (en) * 2012-09-21 2014-11-11 First Rf Corporation Antenna system with an antenna and a high-impedance backing
KR101584957B1 (ko) 2014-05-28 2016-01-13 주식회사 에이스테크놀로지 틸트된 방사 패턴을 가지는 스파이럴 안테나
US9432800B1 (en) * 2015-04-07 2016-08-30 Ge Yi Wireless near field communication system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6433668A (en) * 1987-07-30 1989-02-03 Ricoh Service Kk Reception room management device
JP2550764B2 (ja) * 1990-08-31 1996-11-06 日本電気株式会社 スパイラルアンテナ
JPH04321190A (ja) * 1991-04-22 1992-11-11 Mitsubishi Electric Corp 非接触型携帯記憶装置のアンテナ回路
US5220340A (en) * 1992-04-29 1993-06-15 Lotfollah Shafai Directional switched beam antenna
US5621422A (en) * 1994-08-22 1997-04-15 Wang-Tripp Corporation Spiral-mode microstrip (SMM) antennas and associated methods for exciting, extracting and multiplexing the various spiral modes
US5617104A (en) * 1995-03-28 1997-04-01 Das; Satyendranath High Tc superconducting tunable ferroelectric transmitting system
US5936595A (en) * 1997-05-15 1999-08-10 Wang Electro-Opto Corporation Integrated antenna phase shifter
JP2997451B1 (ja) * 1998-07-30 2000-01-11 日本アンテナ株式会社 小型アンテナ
EP1026775B1 (de) * 1999-01-19 2006-04-26 Koninklijke Philips Electronics N.V. Antennenanordnung für mobiles Satellitentelefon und Mobil telefon mit dieser Antennenanordnung
SE516235C2 (sv) * 1999-06-18 2001-12-03 Ericsson Telefon Ab L M Avstämbar spiralantenn
JP2003008310A (ja) * 2001-06-27 2003-01-10 Sumitomo Electric Ind Ltd 高周波伝送線路の結合構造とそれを用いた可変移相器
US6842158B2 (en) * 2001-12-27 2005-01-11 Skycross, Inc. Wideband low profile spiral-shaped transmission line antenna
US6862004B2 (en) * 2002-12-13 2005-03-01 Broadcom Corporation Eccentric spiral antenna and method for making same

Also Published As

Publication number Publication date
US20070008237A1 (en) 2007-01-11
EA009969B1 (ru) 2008-04-28
DE602004018033D1 (de) 2009-01-08
AU2004304423B2 (en) 2010-02-11
ES2321107T3 (es) 2009-06-02
WO2005062421A1 (en) 2005-07-07
EP1709706A1 (de) 2006-10-11
EP1709706B1 (de) 2008-11-26
AU2004304423A1 (en) 2005-07-07
JP2007517444A (ja) 2007-06-28
CA2551559A1 (en) 2005-07-07
EA200601224A1 (ru) 2006-12-29

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties