DE602004004353D1 - Zirkularpolarisierte Antennenvorrichtung - Google Patents

Zirkularpolarisierte Antennenvorrichtung

Info

Publication number
DE602004004353D1
DE602004004353D1 DE602004004353T DE602004004353T DE602004004353D1 DE 602004004353 D1 DE602004004353 D1 DE 602004004353D1 DE 602004004353 T DE602004004353 T DE 602004004353T DE 602004004353 T DE602004004353 T DE 602004004353T DE 602004004353 D1 DE602004004353 D1 DE 602004004353D1
Authority
DE
Germany
Prior art keywords
antenna device
polarized antenna
circular polarized
circular
polarized
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.)
Active
Application number
DE602004004353T
Other languages
English (en)
Other versions
DE602004004353T2 (de
Inventor
Yuanzhu Dou
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of DE602004004353D1 publication Critical patent/DE602004004353D1/de
Application granted granted Critical
Publication of DE602004004353T2 publication Critical patent/DE602004004353T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE602004004353T 2003-11-27 2004-11-26 Zirkularpolarisierte Antennenvorrichtung Active DE602004004353T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003397295A JP2005159843A (ja) 2003-11-27 2003-11-27 円偏波型アンテナ装置
JP2003397295 2003-11-27

Publications (2)

Publication Number Publication Date
DE602004004353D1 true DE602004004353D1 (de) 2007-03-08
DE602004004353T2 DE602004004353T2 (de) 2007-10-18

Family

ID=34463834

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004004353T Active DE602004004353T2 (de) 2003-11-27 2004-11-26 Zirkularpolarisierte Antennenvorrichtung

Country Status (4)

Country Link
US (1) US6975272B2 (de)
EP (1) EP1536516B1 (de)
JP (1) JP2005159843A (de)
DE (1) DE602004004353T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006344716A (ja) * 2005-06-08 2006-12-21 Mitsumi Electric Co Ltd アンテナ装置およびそれに用いられるシールドカバー
JP2007074226A (ja) * 2005-09-06 2007-03-22 Alps Electric Co Ltd 車載用アンテナ装置
JP4873143B2 (ja) * 2006-09-01 2012-02-08 ミツミ電機株式会社 アンテナ装置
US7505002B2 (en) * 2006-12-04 2009-03-17 Agc Automotive Americas R&D, Inc. Beam tilting patch antenna using higher order resonance mode
US20080129635A1 (en) * 2006-12-04 2008-06-05 Agc Automotive Americas R&D, Inc. Method of operating a patch antenna in a higher order mode
JP4596021B2 (ja) * 2008-03-11 2010-12-08 ミツミ電機株式会社 アンテナ装置
US10608348B2 (en) 2012-03-31 2020-03-31 SeeScan, Inc. Dual antenna systems with variable polarization
US10490908B2 (en) 2013-03-15 2019-11-26 SeeScan, Inc. Dual antenna systems with variable polarization
DE102015007074A1 (de) * 2015-06-02 2016-12-08 Kathrein-Werke Kg Schirmgehäuse für Leiterplatten mit Fixierungen für Anschlussleitungen
FR3055767B1 (fr) * 2016-09-08 2018-09-21 Sagemcom Broadband Sas Capot monobloc pour dispositif electronique

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829204A (ja) * 1981-08-17 1983-02-21 Nippon Telegr & Teleph Corp <Ntt> 容量可変能動素子装荷マイクロストリップアンテナ
US5181044A (en) * 1989-11-15 1993-01-19 Matsushita Electric Works, Ltd. Top loaded antenna
JPH07297626A (ja) 1994-04-28 1995-11-10 Murata Mfg Co Ltd アンテナ装置
FR2739225B1 (fr) * 1995-09-27 1997-11-14 Cga Hbs Element d'antenne a hyperfrequences
US5864318A (en) * 1996-04-26 1999-01-26 Dorne & Margolin, Inc. Composite antenna for cellular and gps communications
DE19722506A1 (de) * 1997-05-30 1998-12-03 Bosch Gmbh Robert Funkgerät
US6049314A (en) * 1998-11-17 2000-04-11 Xertex Technologies, Inc. Wide band antenna having unitary radiator/ground plane
US6456249B1 (en) * 1999-08-16 2002-09-24 Tyco Electronics Logistics A.G. Single or dual band parasitic antenna assembly
JP2002237714A (ja) 2001-02-08 2002-08-23 Alps Electric Co Ltd パッチアンテナ

Also Published As

Publication number Publication date
JP2005159843A (ja) 2005-06-16
EP1536516A1 (de) 2005-06-01
US6975272B2 (en) 2005-12-13
DE602004004353T2 (de) 2007-10-18
US20050116863A1 (en) 2005-06-02
EP1536516B1 (de) 2007-01-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition