EP1447878A1 - Antenne pour un verrouillage radio centralisé - Google Patents

Antenne pour un verrouillage radio centralisé Download PDF

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Publication number
EP1447878A1
EP1447878A1 EP04001649A EP04001649A EP1447878A1 EP 1447878 A1 EP1447878 A1 EP 1447878A1 EP 04001649 A EP04001649 A EP 04001649A EP 04001649 A EP04001649 A EP 04001649A EP 1447878 A1 EP1447878 A1 EP 1447878A1
Authority
EP
European Patent Office
Prior art keywords
antenna
vehicle
cable
signals
receiving
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.)
Withdrawn
Application number
EP04001649A
Other languages
German (de)
English (en)
Inventor
Markus Pfletschinger
Dirk Dr. Wendt
Michael Wiedmann
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 Car Communication GmbH
Original Assignee
Hirschmann Electronics GmbH and Co KG
Hirschmann Electronics GmbH
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, Hirschmann Electronics GmbH filed Critical Hirschmann Electronics GmbH and Co KG
Publication of EP1447878A1 publication Critical patent/EP1447878A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
    • H01Q1/1214—Supports; Mounting means for fastening a rigid aerial element through a wall
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems

Definitions

  • the invention relates to an antenna for a vehicle for transmitting or receiving Signals according to the features of the preamble of claim 1.
  • a vehicle antenna arrangement with an antenna is known from DE 295 00 961, with the various radio services such. B. radio, mobile communications and the like can be transferred.
  • This antenna arrangement are devices for Sending or receiving signals within an antenna housing or spaced from the antenna housing (in the form of a rod antenna).
  • This Housing is arranged on a base body on the vehicle roof, the Vehicle roof has an opening through which leads to the facilities are led.
  • Antenna electronics are arranged below the housing, via which the signals are processed.
  • a device for sending or receiving Signals are not from outside the vehicle roof towards the electronics (in Direction of the vehicle interior).
  • Receiving signals for one Access authorization to the vehicle (radio central locking (FZV) or keyless entry is not described in DE 295 00 961. They're also from here known devices for sending or receiving signals not for the signals suitable for access authorization.
  • antenna cables are used in the vehicle interior laid, which is a coaxial cable in which a piece of the Inner conductor is exposed and acts as an antenna. Such a cable is only in the The interior is not routed and does not pass through an opening in a surface of the vehicle. Signals from the outside by a radio remote control are only bad here receivable, since the metallic parts of the vehicle have a shielding effect. Especially Reception is poor when the panes have a vapor-deposited metallic coating Have coating.
  • disk antennas As an alternative to cables that act as antennas and are installed in the vehicle interior, So-called disk antennas are known, which have conductive structures a vehicle window the signals of the radio services and the signals for access authorization can be received or sent. Place these disc antennas represent a very high effort in terms of production and are not for everyone Vehicle types (e.g. convertibles) ready for use.
  • the invention is therefore based on the object of an antenna for a vehicle To send or receive signals that are necessary for a contactless Access authorization to the vehicle trained and beyond that simple and is inexpensive to implement.
  • the antenna cable of the antenna by a Opening a surface of the vehicle and for receiving signals is formed outside and inside the vehicle.
  • a cable as an antenna provides a particularly simple and effective implementation Receiving signals.
  • Such a cable can be easily manufactured and pre Lay everything in the vehicle interior and also outside the vehicle.
  • the arrangement of the antenna cable is both inside and outside of the Vehicle for access authorization of particular importance, since the operation a radio remote control both inside and outside the vehicle must be done reliably.
  • the Authorization to open the vehicle checked and at the same time given Authorization z. B. the central locking operated so that the doors of the vehicle let open. Then the driver is in the vehicle interior can corresponding authorization means (e.g. chip card) the same or different signals are received via the part of the antenna cable laid inside the vehicle, which contain the authorization to start the engine of the vehicle.
  • authorization means e.g. chip card
  • the antenna designed as a roof antenna has Devices for sending or receiving multiple radio services on the one or more supply lines are supplied with signals, in this case according to the invention it is provided that the only supply line or a further supply line as Antenna cable for receiving signals for access authorization to the Vehicle is trained.
  • This can be a roof antenna known per se for combine several radio services with another function in such a way that this Roof antenna for the function of the access authorization signals to be received (FZV, keyless go, keyless entry or the like) is added.
  • an additional one Means be provided.
  • Such an additional facility is for example around an electrically conductive area on the circuit board or on itself Plastic-formed antenna housing, this electrically conductive area is designed, for example, as a metallized surface of the antenna housing and is electrically connected to the antenna cable.
  • the antenna and its facilities for sending or receiving signals from the several radio services and the signals for access authorization with appropriate sending or receiving devices are connected via the supply lines.
  • Figure 1 shows the basic structure of the antenna for an access authorization system.
  • a section 1 of a vehicle (not shown further) is shown, this surface 1 being in particular a vehicle roof. Below the area 1 is thus z. B. a passenger interior is available.
  • This surface 1 has one Opening 2 through which an antenna cable 3 is guided.
  • the antenna cable 3 it is for example the stripped inner conductor of a coaxial cable 4, the end of the coaxial cable 4 facing away from the antenna cable 3 having a corresponding receiving / transmitting device of the access authorization system is connected so that the signals received via the antenna cable 3 Radio remote control can be processed further.
  • This further processing and the Components of the access authorization system are known per se.
  • FIG. 2 shows the application of the invention to an antenna 5, the roof antenna is trained.
  • the antenna 5 has a base body 6 made of metal, which in turn has a projection 7, which is not designated by the here Opening in area 1 is sufficient.
  • An antenna housing 8 is made from the base body 6 Plastic arranged, with the antenna housing 8 devices 9, 10 for Sending and receiving signals of the several radio services arranged protected are.
  • These radio services are, for example, as in the DE 295 00 961 describes radio reception (AM, FM), satellite navigation (GPS) as well as cellular services (such as AMPS, GSM, GSM 1800, UMTS and like).
  • the devices 9 and 10 (or more) are designed accordingly.
  • At least one Supply line 11 is present, in particular two or more of the same type or different supply lines 11, 12 are present. Via these feed lines 11, 12 depending on the signals to be transmitted and the radio services, for which the antenna 5 is designed, the signals between the devices 9 and 10 and transmitting or receiving devices, not shown.
  • the exemplary embodiment shown in FIG. 2 is now also the feed line 12 as an antenna cable trained, which is both in the vehicle interior and outside located.
  • the feed line 12 is not only for receiving / transmitting trained by signals for access authorization, but also trained for the power supply of the facilities of the antenna 5. This can, must but don't be like that.
  • the antenna cable according to the invention for receiving the Access authorization signals can also be a piece of cable, which is only trained for this.
  • One end of the lead 12, which is the antenna cable is through the opening to the outside, but inside the antenna housing 8 out and there for better reception properties with an electrically conductive Surface 13 connected, this surface 13 inside and / or outside of Antenna housing 8 may be present. It is important that the electrically conductive surface 13 is only a partial area of the antenna housing 8, in order to shield it prevent existing devices for sending or receiving signals.
  • the other end of the feed line 12 has a plug connection 14, via which the Supply line 12 is divided into the coaxial cable 4 and a power supply line 15. For decoupling the signals received via the antenna cable (supply line 12) a coupling capacitor 16 is also provided.
  • the coupling capacitor 16 is integrated in the connector 14. Is carried out via supply line 12 or the coaxial cable 4 no further transmission of other signals and also none Power supply, so the coupling capacitor 16 can be omitted. It is also conceivable that summarize described supply lines 11, 12 and 4 and 15 to form a cable harness.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
EP04001649A 2003-02-12 2004-01-27 Antenne pour un verrouillage radio centralisé Withdrawn EP1447878A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10305722 2003-02-12
DE10305722 2003-02-12

Publications (1)

Publication Number Publication Date
EP1447878A1 true EP1447878A1 (fr) 2004-08-18

Family

ID=32668034

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04001649A Withdrawn EP1447878A1 (fr) 2003-02-12 2004-01-27 Antenne pour un verrouillage radio centralisé

Country Status (2)

Country Link
US (1) US6937197B2 (fr)
EP (1) EP1447878A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022004304A1 (de) 2022-11-21 2023-01-05 Mercedes-Benz Group AG Antennenvorrichtung und Fahrzeugzugangssystem

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005008338U1 (de) * 2005-05-24 2005-12-22 Fuba Automotive Gmbh & Co. Kg Antennenkonfiguration für den Rundfunkempfang in Kfz
US7847744B2 (en) * 2006-01-26 2010-12-07 The Directv Group, Inc. Apparatus for mounting a satellite antenna in a vehicle
JP4680793B2 (ja) * 2006-02-16 2011-05-11 アルプス電気株式会社 車載用電子機器
DE102006025176C5 (de) * 2006-05-30 2023-02-23 Continental Automotive Technologies GmbH Antennenmodul für ein Fahrzeug
CA2699166C (fr) 2007-09-12 2013-03-12 Victor Rabinovich Antenne dipolaire a meandres imprimes symetriques
US8045592B2 (en) * 2009-03-04 2011-10-25 Laird Technologies, Inc. Multiple antenna multiplexers, demultiplexers and antenna assemblies
US20120057588A1 (en) * 2009-03-04 2012-03-08 Laird Technologies, Inc. Multiple antenna multiplexers, demultiplexers and antenna assemblies
CN103094659B (zh) * 2011-11-02 2015-09-30 卜放 具有保护隔层的汽车外置天线及该天线的装配方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0429203A1 (fr) * 1989-11-15 1991-05-29 Nokia Mobile Phones Ltd. Système d'antenne pour un véhicule
EP0590955A2 (fr) * 1992-09-30 1994-04-06 Loral Aerospace Corporation Antenne pour plusieurs bandes de fréquences
DE29500961U1 (de) * 1995-01-13 1995-06-14 Richard Hirschmann GmbH & Co., 72654 Neckartenzlingen Antennenanordnung
US5959585A (en) * 1995-11-23 1999-09-28 Robert Bosch Gmbh Vehicle antenna arrangement and auxiliary vehicle antenna
US6288684B1 (en) * 2000-08-22 2001-09-11 Motorola, Inc. Antenna mounting apparatus
CA2305860A1 (fr) * 2000-04-20 2001-10-20 Peter Johann Kielland Antenne radio d'automobile a element gps integre

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4868577A (en) * 1987-12-23 1989-09-19 Wingard Jefferson C Multiband television/communications antenna
DE69421028T2 (de) * 1993-09-10 2000-02-03 Ford-Werke Ag Schlitzantenne mit reduzierter Erdungsfläche
DE9314147U1 (de) 1993-09-18 1994-01-05 Antenne Bad Blankenburg Mobile Antennentechnik GmbH, 07422 Bad Blankenburg Kompakt-Fahrzeugantenne
EP0740361B1 (fr) * 1995-04-20 1998-03-04 FUBA Automotive GmbH Système d'antenne plane
JPH1127023A (ja) * 1997-06-30 1999-01-29 Niles Parts Co Ltd 車両用アンテナ装置
GB9813130D0 (en) * 1998-06-17 1998-08-19 Harada Ind Europ Limited Antenna assembly
US6023245A (en) * 1998-08-10 2000-02-08 Andrew Corporation Multi-band, multiple purpose antenna particularly useful for operation in cellular and global positioning system modes
JP2003503927A (ja) * 1999-06-30 2003-01-28 シーメンス ヴィディーオー オートモーティヴ コーポレイション 多数の車両電子装置のためのアンテナシステム
US6118410A (en) * 1999-07-29 2000-09-12 General Motors Corporation Automobile roof antenna shelf

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0429203A1 (fr) * 1989-11-15 1991-05-29 Nokia Mobile Phones Ltd. Système d'antenne pour un véhicule
EP0590955A2 (fr) * 1992-09-30 1994-04-06 Loral Aerospace Corporation Antenne pour plusieurs bandes de fréquences
DE29500961U1 (de) * 1995-01-13 1995-06-14 Richard Hirschmann GmbH & Co., 72654 Neckartenzlingen Antennenanordnung
US5959585A (en) * 1995-11-23 1999-09-28 Robert Bosch Gmbh Vehicle antenna arrangement and auxiliary vehicle antenna
CA2305860A1 (fr) * 2000-04-20 2001-10-20 Peter Johann Kielland Antenne radio d'automobile a element gps integre
US6288684B1 (en) * 2000-08-22 2001-09-11 Motorola, Inc. Antenna mounting apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022004304A1 (de) 2022-11-21 2023-01-05 Mercedes-Benz Group AG Antennenvorrichtung und Fahrzeugzugangssystem

Also Published As

Publication number Publication date
US6937197B2 (en) 2005-08-30
US20040174312A1 (en) 2004-09-09

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