EP0841715B1 - Antenne plate - Google Patents

Antenne plate Download PDF

Info

Publication number
EP0841715B1
EP0841715B1 EP97118934A EP97118934A EP0841715B1 EP 0841715 B1 EP0841715 B1 EP 0841715B1 EP 97118934 A EP97118934 A EP 97118934A EP 97118934 A EP97118934 A EP 97118934A EP 0841715 B1 EP0841715 B1 EP 0841715B1
Authority
EP
European Patent Office
Prior art keywords
surface segment
segment
short
earth reference
flat
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 - Lifetime
Application number
EP97118934A
Other languages
German (de)
English (en)
Other versions
EP0841715A3 (fr
EP0841715A2 (fr
Inventor
Mehran Aminzadeh
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.)
Fuba Automotive GmbH and Co KG
Original Assignee
Fuba Automotive GmbH and Co KG
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 Fuba Automotive GmbH and Co KG filed Critical Fuba Automotive GmbH and Co KG
Publication of EP0841715A2 publication Critical patent/EP0841715A2/fr
Publication of EP0841715A3 publication Critical patent/EP0841715A3/fr
Application granted granted Critical
Publication of EP0841715B1 publication Critical patent/EP0841715B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • 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
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3291—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted in or on other locations inside the vehicle or vehicle body
    • 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
    • H01Q5/378—Combination of fed elements with parasitic elements
    • 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
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • 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

Definitions

  • the invention relates to flat antennas for terrestrial radiated signals and for Radio links with frequencies in the GHz range, in particular for mobile radio in the 900 MHz band and in the 1.8 GHz band, with those specified in the preamble of the main claim Generic features.
  • the invention is based on an active principle which is characterized, inter alia, in German Patent Application No. 195 04 577 by means of typical solutions of the preceding prior art:
  • Two planar-parallel surface elements of electrically conductive material which are connected by a lateral short circuit and one of which (the "ground reference surface") to the outer conductor and the other (the "surface segment” with the function-determining contours and dimensions) to the inner conductor of a coaxial feed cable is connected, form quasi a cavity resonator during operation.
  • a field builds up in the resonance case, which leads to a radial radiation in useful orders of magnitude.
  • the essentially function-determining dimension of the surface segment connected to the inner conductor namely the distance from the side with the short-circuit connection to the opposite surface edge, is usually based on the dimension of a quarter of the wavelength corresponding to the average operating frequency range.
  • German Patent Application No. 196 14 068 If you bulge the ground reference surface at least in one coordinate on both sides towards the edge, for example, it forms similar to a shallow trough or dome, then the dimensions of the ground reference surface can be reduced without the antenna function and the radiation parameters are affected.
  • the first describes an antenna for the Japanese PDC 800 mobile network operating in two adjacent subbands separated by a frequency gap.
  • an independent upper surface segment with antenna function is provided above the common ground reference surface.
  • the dimensions of the surface segments hardly differ, and they are one above the other, arranged in a manner of action.
  • the fitting curve of the overall arrangement shows narrowband matching separately for each of the two subbands.
  • the upper antenna can be moved above the lower parallel to the ground reference surface.
  • this principle is very specific to the Japanese mobile networks and not suitable for use in other countries.
  • a universal antenna for the different network frequencies together requires broadband and gapless adaptation from the smallest of the possible frequencies to the highest.
  • the invention is based on the object cost-effective measures for lossless. Influencing the operating parameters of broadband, universally deployable Flat antennas to develop the specified in the preamble of the main claim genus so that the antennas better adapted to the specifics of different mounting positions and flexibility in the application of the principle is extended.
  • the variation of the radiation characteristic is determined by the division of the area segment in Connection with the second short circuit allows.
  • the division about in two halves below Maintaining the overall size ⁇ / 4 has proven to be a good starting position in experiments proven; with small changes in the division ratio and the width of the gap then additional corrections are possible.
  • To adjust or correct the impedance in the feed point serve the short, band-like Line sections on both sides of the to the inner conductor of the antenna cable galvanic connected subarea.
  • the dimensioning is done experimentally. The dimensions will be with spherical formation of the ground reference surface even from the distance to the edge of the Calotte determined.
  • With the measures according to the invention could also the radiation characteristics of the antenna to be corrected by DE 195 14 068: By the division principle and with the Pipe sections achieved almost perfect all-round radiation with good adaptation.
  • FIG 2 shows an embodiment according to the above-mentioned German application no. 196 14 068.
  • the ground reference surface is formed here, with all sides bent edge, as a flat cap 7.
  • the dome is connected to one side conductive to the mass 8, for example, to the metallic roof edge above the vehicle rear window. 9
  • the dimensions of the dome are reduced to a quarter of the dimensions of the ground reference surface 3 according to Figure 1, and except for the mentioned level differences in the vehicle longitudinal axis relative to the antenna of Figure 1 no impairment of the antenna parameters are observed.
  • the new antenna consists of two partial surfaces 10 and 11, which are each connected via a separate web 12, 13 - as short-circuit connections - with the ground reference surface 3.
  • the width of the gap 14 in the variant in Figure 3a and b is chosen so that the gap is not recognized by the respective operating frequency of the antenna field as such and that there is a continuous area for this field.
  • the relative dielectric constant can be the antenna parameters additionally influence.
  • the attached to the surface portion 11 sections serve 15, by Variation of the dimensions C and D, the precise adaptation to the input impedance of the cable.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Waveguide Aerials (AREA)

Claims (4)

  1. Antenne plate pour des fréquences dans la plage des gigahertz, composée d'un premier segment plat (10) et d'un second segment plat (11) en un matériau conducteur électrique ainsi que d'une plus grande surface conductrice (3) servant de surface de référence à la masse et d'un câble d'antenne (4), dans laquelle
    les segments plats (10, 11) sont disposés par-dessus la surface de référence à la masse (3), chacun à une distance définie et parallèlement à son plan, et présentent chacun dans une zone de bord sa propre connexion de court-circuit (12, 13) avec la surface de référence à la masse (3),
    le second segment de surface (11) est en liaison galvanique avec le conducteur intérieur du câble d'antenne (4) et la surface de référence à la masse (3) avec le conducteur extérieur du câble d'antenne (4),
    caractérisée en ce que
    les deux segments plats (10, 11) se trouvent dans le même plan et sont alignés de telle sorte que le côté ouvert du premier segment plat (10) soit tourné vers le côté court-circuité du second segment plat et séparé par un interstice (14),
    le premier segment plat (10) est couplé électriquement, au niveau de l'interstice (14), avec le second segment plat (11) pour la fréquence de fonctionnement de l'installation,
    le second segment plat (11) est pourvu de sections plates (15) agissant comme des éléments conducteurs ouverts et disposées de façon symétrique pour influer sur l'impédance au point d'alimentation, les sections plates (15) dépassant latéralement de part et d'autre du second segment de surface (11) dans le plan de celui-ci, et
    la dimension totale active à haute fréquence entre le bord de la connexion de court-circuit (12) sur le premier segment plat (10) et le bord extérieur opposé du second segment plat (11) est égale à un quart de la longueur d'onde correspondant à la fréquence de fonctionnement moyenne.
  2. Antenne plate selon la revendication 1, caractérisée en ce que la connexion de court-circuit (12) du premier segment plat (10) n'est pas connectée au premier segment de surface (10) selon un angle droit mais selon un angle obtus.
  3. Antenne plate selon la revendication 1, caractérisée en ce que le premier segment plat (10) chevauche le second segment plat (11) avec intercalation d'une couche diélectrique.
  4. Antenne plate selon la revendication 1, caractérisée en ce que la surface de référence à la masse (3) est bombée vers le haut des deux côtés en direction du bord sur au moins un axe de coordonnées.
EP97118934A 1996-11-08 1997-10-30 Antenne plate Expired - Lifetime EP0841715B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19646100 1996-11-08
DE19646100A DE19646100A1 (de) 1996-11-08 1996-11-08 Flachantenne

Publications (3)

Publication Number Publication Date
EP0841715A2 EP0841715A2 (fr) 1998-05-13
EP0841715A3 EP0841715A3 (fr) 2000-04-26
EP0841715B1 true EP0841715B1 (fr) 2005-03-16

Family

ID=7811040

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97118934A Expired - Lifetime EP0841715B1 (fr) 1996-11-08 1997-10-30 Antenne plate

Country Status (3)

Country Link
US (1) US5929812A (fr)
EP (1) EP0841715B1 (fr)
DE (2) DE19646100A1 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19828122A1 (de) * 1998-06-25 1999-12-30 Fuba Automotive Gmbh Antennen aus flächigen Elementen
SE513525C2 (sv) * 1998-11-20 2000-09-25 Smarteq Ab En antennanordning
CA2364445A1 (fr) * 1999-03-05 2000-09-14 Katrin A Flotti Jacobsen Systeme d'antenne a microbandes pour dispositif ce communication
GB2347792B (en) * 1999-03-10 2001-06-06 Andrew Jesman Antenna
WO2000057511A1 (fr) * 1999-03-24 2000-09-28 Siemens Aktiengesellschaft Antenne multibande
DE19922699C2 (de) 1999-05-18 2001-05-17 Hirschmann Electronics Gmbh Antenne mit wenigstens einem Vertikalstrahler
US6211831B1 (en) * 1999-06-24 2001-04-03 Delphi Technologies, Inc. Capacitive grounding system for VHF and UHF antennas
WO2001028035A1 (fr) 1999-10-12 2001-04-19 Arc Wireless Solutions, Inc. Antenne microruban a bande etroite duale compacte
SE517564C2 (sv) 1999-11-17 2002-06-18 Allgon Ab Antennanordning för en bärbar radiokommunikationsanordning, bärbar radiokommunikationsanordning med sådan antennanordning och metod för att driva nämnda radiokommunikationsanordning
SE516474C2 (sv) * 1999-11-19 2002-01-22 Allgon Ab Antennanordning och kommunikationsanordning innefattande en sådan antennanordning
DE19957865A1 (de) * 1999-12-01 2001-06-07 Volkswagen Ag Antennenanordnung für ein Fahrzeug
WO2001048858A2 (fr) 1999-12-14 2001-07-05 Rangestar Wireless, Inc. Ensemble antenne a large bande a faible taux d'absorption specifique (das)
US6518933B2 (en) * 2001-05-30 2003-02-11 Ads Corporation Low profile antenna
GB2392563B (en) * 2002-08-30 2004-11-03 Motorola Inc Antenna structures and their use in wireless communication devices
DE102006039357B4 (de) * 2005-09-12 2018-06-28 Heinz Lindenmeier Antennendiversityanlage zum Funkempfang für Fahrzeuge
RU2497246C2 (ru) * 2006-02-22 2013-10-27 МедиаТек Инк. Антенное устройство и использующее его мобильное устройство связи
WO2008027719A1 (fr) * 2006-08-31 2008-03-06 3M Innovative Properties Company Marqueur rfid comportant une antenne tridimensionnelle
DE102007017478A1 (de) * 2007-04-13 2008-10-16 Lindenmeier, Heinz, Prof. Dr. Ing. Empfangsanlage mit einer Schaltungsanordnung zur Unterdrückung von Umschaltstörungen bei Antennendiversity
EP2037593A3 (fr) * 2007-07-10 2016-10-12 Delphi Delco Electronics Europe GmbH Installation de diversité d'antennes pour la réception radio à bande relativement large dans des véhicules
DE102007039914A1 (de) * 2007-08-01 2009-02-05 Lindenmeier, Heinz, Prof. Dr. Ing. Antennendiversityanlage mit zwei Antennen für den Funkempfang in Fahrzeugen
DE102008003532A1 (de) * 2007-09-06 2009-03-12 Lindenmeier, Heinz, Prof. Dr. Ing. Antenne für den Satellitenempfang
US8289163B2 (en) * 2007-09-27 2012-10-16 3M Innovative Properties Company Signal line structure for a radio-frequency identification system
US20090085750A1 (en) * 2007-09-27 2009-04-02 3M Innovative Properties Company Extended RFID tag
US8717244B2 (en) 2007-10-11 2014-05-06 3M Innovative Properties Company RFID tag with a modified dipole antenna
US8085203B1 (en) 2008-04-18 2011-12-27 Aero Antenna Inc. Ground surrounded non-resonant slot-like patch antenna
PT2209221T (pt) * 2009-01-19 2018-12-27 Fuba Automotive Electronics Gmbh Sistema de recepção para a soma de sinais de antena em fase
DE102009011542A1 (de) * 2009-03-03 2010-09-09 Heinz Prof. Dr.-Ing. Lindenmeier Antenne für den Empfang zirkular in einer Drehrichtung der Polarisation ausgestrahlter Satellitenfunksignale
DE102009023514A1 (de) * 2009-05-30 2010-12-02 Heinz Prof. Dr.-Ing. Lindenmeier Antenne für zirkulare Polarisation mit einer leitenden Grundfläche
JP6447798B2 (ja) * 2016-11-29 2019-01-09 株式会社村田製作所 アンテナ装置

Citations (1)

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Publication number Priority date Publication date Assignee Title
JPH08250917A (ja) * 1995-03-09 1996-09-27 Matsushita Electric Ind Co Ltd 無線機用アンテナ

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JPH0659009B2 (ja) * 1988-03-10 1994-08-03 株式会社豊田中央研究所 移動体用アンテナ
US5121127A (en) * 1988-09-30 1992-06-09 Sony Corporation Microstrip antenna
JP2537390B2 (ja) * 1988-12-23 1996-09-25 原田工業株式会社 プレ―ンアンテナ
US5291210A (en) * 1988-12-27 1994-03-01 Harada Kogyo Kabushiki Kaisha Flat-plate antenna with strip line resonator having capacitance for impedance matching the feeder
JPH02308604A (ja) * 1989-05-23 1990-12-21 Harada Ind Co Ltd 移動通信用平板アンテナ
JP2712931B2 (ja) * 1991-09-30 1998-02-16 三菱電機株式会社 アンテナ装置
US5402136A (en) * 1991-10-04 1995-03-28 Naohisa Goto Combined capacitive loaded monopole and notch array with slits for multiple resonance and impedance matching pins
US5355142A (en) * 1991-10-15 1994-10-11 Ball Corporation Microstrip antenna structure suitable for use in mobile radio communications and method for making same
WO1994003940A1 (fr) * 1992-08-07 1994-02-17 Deltec New Zealand Limited Dipole
DE19504577A1 (de) * 1995-02-11 1996-08-14 Fuba Automotive Gmbh Flachantenne
ES2114717T3 (es) * 1995-04-20 1998-06-01 Fuba Automotive Gmbh Disposicion de antenas planas.
DE29606475U1 (de) * 1996-04-09 1996-06-27 FUBA Automotive GmbH, 31162 Bad Salzdetfurth Flachantenne

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
JPH08250917A (ja) * 1995-03-09 1996-09-27 Matsushita Electric Ind Co Ltd 無線機用アンテナ

Also Published As

Publication number Publication date
DE19646100A1 (de) 1998-05-14
US5929812A (en) 1999-07-27
DE59712229D1 (de) 2005-04-21
EP0841715A3 (fr) 2000-04-26
EP0841715A2 (fr) 1998-05-13

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