EP0710403B1 - Systeme d'antenne - Google Patents

Systeme d'antenne Download PDF

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Publication number
EP0710403B1
EP0710403B1 EP94918817A EP94918817A EP0710403B1 EP 0710403 B1 EP0710403 B1 EP 0710403B1 EP 94918817 A EP94918817 A EP 94918817A EP 94918817 A EP94918817 A EP 94918817A EP 0710403 B1 EP0710403 B1 EP 0710403B1
Authority
EP
European Patent Office
Prior art keywords
antenna arrangement
accordance
antenna
monopole
radiator
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
EP94918817A
Other languages
German (de)
English (en)
Other versions
EP0710403A1 (fr
Inventor
Dieter Schenkyr
Thomas Vogel
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.)
Hirschmann Electronics GmbH and Co KG
Original Assignee
Hirschmann Electronics 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 Hirschmann Electronics GmbH and Co KG filed Critical Hirschmann Electronics GmbH and Co KG
Publication of EP0710403A1 publication Critical patent/EP0710403A1/fr
Application granted granted Critical
Publication of EP0710403B1 publication Critical patent/EP0710403B1/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
    • 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
    • H01Q1/27—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
    • H01Q1/3283—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle side-mounted antennas, e.g. bumper-mounted, door-mounted

Definitions

  • an antenna combination is known in which two individual antenna probes couple simultaneously to the same resonant circuit which is formed on an electrically conductive structure, for example the vehicle trunk lid.
  • the two individual antennas are connected to one another via a lambda / half detour line and form a single antenna arrangement.
  • the antenna probes are not individual monopole antennas, but components of a single antenna.
  • the electrical counterweight of both antenna probes is the counterweight for both at the same time.
  • the radiator has the shape of an isosceles triangle. This has the advantage that the radiator has a frequency range which is 1.5 to 2 times larger than that of a rectangular radiator, as is known from the prior art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Dans un système d'antenne comportant une antenne unipolaire présentant un radiateur et un contrepoids, radiateur et contrepoids reliés chacun à un conducteur d'une ligne d'alimentation au niveau de points d'alimentation opposés, on obtient un diagramme azimutal largement circulaire tout en évitant que l'habitacle soit traversé par le rayonnement par le fait qu'il est prévu au moins deux antennes unipolaires montées en parallèle et reliées entre elles par un transformateur de ligne.

Claims (13)

  1. Système d'antenne ayant une antenne monopolaire, présentant un émetteur rayonnant d'antenne (1) et un contre-poids électrique (6), l'émetteur rayonnant (1) et le contre-poids (6) étant reliés chacun à un conducteur d'une ligne d'alimentation (10), en des points d'alimentation (8, 9) opposés, caractérisé en ce qu'au moins deux antennes monopolaires (1, 6, 11, 12) branchées en parallèle sont prévues, un transformateur de ligne (15) étant disposé sur le contre-poids (12) respectif d'au moins une antenne monopolaire (11, 12).
  2. Système d'antenne selon la revendication 1, caractérisé en ce que le transformateur de ligne (15) est réalisé selon la technique Stripline.
  3. Système d'antenne selon la revendication 1 ou 2, caractérisé en ce qu'un émetteur rayonnant (1, 11) a la forme d'un triangle équilatéral.
  4. Système d'antenne selon l'une des revendications 1 à 3, caractérisé en ce que les arêtes d'un émetteur rayonnant (1, 11) et d'un contre-poids (6, 12) sont arrondis.
  5. Système d'antenne selon l'une des revendications 1 à 4, caractérisé en ce que les antennes monopolaires sont logées dans au moins un pare-chocs en matière synthétique appartenant à un véhicule automobile.
  6. Système d'antenne selon l'une des revendications 1 à 5, caractérisé en ce que les antennes monopolaires sont disposées sur des côtés opposés du véhicule automobile.
  7. Système d'antenne selon l'une des revendications 1 à 6, caractérisé en ce qu'un émetteur rayonnant (1, 11) présente sensiblement la longueur lambda/4 dans la plage de fréquences de fonctionnement.
  8. Système d'antenne selon la revendication 7, caractérisé en ce que la plage de fréquences de fonctionnement est celle des ondes électromagnétiques décimétriques.
  9. Système d'antenne selon l'une des revendications 1 à 8, caractérisé en ce que les antennes monopolaires (1, 6; 11, 12) présentent dans la plage de fonctionnement une distance de lambda/4 vis-à-vis de la carrosserie.
  10. Système d'antenne selon l'une des revendications 1 à 9, caractérisé en ce que les antennes monopolaires (1, 6; 11, 12) sont réalisées sous forme de feuilles métalliques intégrées par soudage dans des feuilles en matière plastique.
  11. Système d'antenne selon l'une des revendications 1 à 9, caractérisé en ce que les antennes monopolaires (1, 6; 11, 12) sont réalisées sous forme de plaquettes à circuit intégré, selon la technique d'impression.
  12. Système d'antenne selon l'une des revendications 1 à 11, caractérisé en ce que plus de deux antennes monopolaires (1, 6; 11, 12) sont branchées ensemble dans une structure en arbre.
  13. Système d'antenne selon l'une des revendications 1 à 12, caractérisé en ce que plus de deux antennes monopolaires (1, 6; 11, 12) sont branchées ensemble en ligne.
EP94918817A 1993-07-21 1994-05-30 Systeme d'antenne Expired - Lifetime EP0710403B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4324480A DE4324480C2 (de) 1993-07-21 1993-07-21 Antennenanordnung
DE4324480 1993-07-21
PCT/EP1994/001753 WO1995003640A1 (fr) 1993-07-21 1994-05-30 Systeme d'antenne

Publications (2)

Publication Number Publication Date
EP0710403A1 EP0710403A1 (fr) 1996-05-08
EP0710403B1 true EP0710403B1 (fr) 1997-03-19

Family

ID=6493369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94918817A Expired - Lifetime EP0710403B1 (fr) 1993-07-21 1994-05-30 Systeme d'antenne

Country Status (5)

Country Link
US (1) US5793337A (fr)
EP (1) EP0710403B1 (fr)
DE (2) DE4324480C2 (fr)
ES (1) ES2098960T3 (fr)
WO (1) WO1995003640A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5709832A (en) * 1995-06-02 1998-01-20 Ericsson Inc. Method of manufacturing a printed antenna
AU708520B2 (en) * 1995-06-02 1999-08-05 Ericsson Inc. Printed monopole antenna
JPH11506282A (ja) * 1995-06-02 1999-06-02 エリクソン インコーポレイテッド 多バンド印刷モノポールアンテナ
US6335706B1 (en) * 1999-10-04 2002-01-01 Paul Gordon Elliot Method to feed antennas proximal a monopole
FI113103B (fi) * 1999-11-03 2004-02-27 Co Jot Oy Levyantenni
DE10221877A1 (de) 2002-05-16 2003-12-18 Kathrein Werke Kg Antennenanordnung
EP2198481B1 (fr) 2007-10-08 2016-06-29 Tyco Fire & Security GmbH Antenne pastille rfid à masse de référence et masses flottantes coplanaires
JP5370141B2 (ja) * 2009-12-28 2013-12-18 富士通株式会社 アンテナ装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2141489A (en) * 1935-12-17 1938-12-27 Ass Telephone & Telegraph Co High frequency current generating and distribution system
US3039096A (en) * 1950-08-09 1962-06-12 United Aircraft Corp Stabilized scanning radar antenna
US3039095A (en) * 1957-01-14 1962-06-12 Josephson Bengt Adolf Samuel Broadband aircraft foil antenna
US3739392A (en) * 1971-07-29 1973-06-12 Sperry Rand Corp Base-band radiation and reception system
JPS6047523A (ja) * 1983-08-26 1985-03-14 Nippon Telegr & Teleph Corp <Ntt> 車載形移動局アンテナ
US4675685A (en) * 1984-04-17 1987-06-23 Harris Corporation Low VSWR, flush-mounted, adaptive array antenna
US4719470A (en) * 1985-05-13 1988-01-12 Ball Corporation Broadband printed circuit antenna with direct feed
GB2193379B (en) * 1986-07-24 1990-04-18 Gen Electric Plc An antenna
US4814777A (en) * 1987-07-31 1989-03-21 Raytheon Company Dual-polarization, omni-directional antenna system
DE3836046A1 (de) * 1987-10-31 1989-05-11 Hirschmann Radiotechnik Empfangsverfahren und empfangs-antennensystem zur durchfuehrung des verfahrens
DE3803440A1 (de) * 1988-02-05 1989-08-17 Bosch Gmbh Robert Funksende- und -empfangsantenne
DE3927681A1 (de) * 1989-08-22 1991-03-14 Hirschmann Richard Gmbh Co Verfahren zur zwischenverstaerkung von digitalen signalen sowie zwischenverstaerker fuer digitale signale
GB8921773D0 (en) * 1989-09-27 1989-11-08 Marconi Co Ltd Monopole antenna
DE4003385C2 (de) * 1990-02-05 1996-03-28 Hirschmann Richard Gmbh Co Antennenanordnung
GB9103737D0 (en) * 1991-02-22 1991-04-10 Pilkington Plc Antenna for vehicle window
EP0584154A1 (fr) * 1991-05-17 1994-03-02 Richard Hirschmann GmbH &amp; Co. Ensemble antenne
DE4121333A1 (de) * 1991-06-25 1993-01-14 Hagenuk Telecom Gmbh Folienantenne

Also Published As

Publication number Publication date
EP0710403A1 (fr) 1996-05-08
US5793337A (en) 1998-08-11
ES2098960T3 (es) 1997-05-01
DE59402169D1 (de) 1997-04-24
WO1995003640A1 (fr) 1995-02-02
DE4324480C2 (de) 1997-07-17
DE4324480A1 (de) 1995-01-26

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