EP1759464A1 - Radio pour vehicule automobile - Google Patents

Radio pour vehicule automobile

Info

Publication number
EP1759464A1
EP1759464A1 EP05752567A EP05752567A EP1759464A1 EP 1759464 A1 EP1759464 A1 EP 1759464A1 EP 05752567 A EP05752567 A EP 05752567A EP 05752567 A EP05752567 A EP 05752567A EP 1759464 A1 EP1759464 A1 EP 1759464A1
Authority
EP
European Patent Office
Prior art keywords
radio
decoder
low
radio module
frequency
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.)
Ceased
Application number
EP05752567A
Other languages
German (de)
English (en)
Inventor
Frank Nowack
Stephan Volker
Klaus-Gert Besel
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP1759464A1 publication Critical patent/EP1759464A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/08—Constructional details, e.g. cabinet
    • H04B1/082—Constructional details, e.g. cabinet to be used in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving

Definitions

  • the invention relates to a radio for a motor vehicle with a digital radio decoder. It is known to install radios with an AM / FM receiver and a digital radio decoder in motor vehicles.
  • the object of the invention is to reduce the costs for motor vehicles with such radios, in particular the costs for motor vehicles with a digital radio decoder.
  • a radio for a motor vehicle comprising a housing in which a radio module and a digital radio decoder are arranged, the radio module having a radio module low-frequency input and a radio module low-frequency output for outputting an in the radio module low frequency input incoming low frequency signal, and wherein the digital radio decoder has a decoder high frequency input, a decoder low frequency output connected to the radio module low frequency input and a digital radio receiver for converting a via the decoder -High frequency input incoming digital radio signal into a low frequency signal and for outputting the low frequency signal via the decoder- low frequency output.
  • a digital radio decoder can e.g.
  • the radio is advantageously designed such that a digital radio decoder of one standard can be replaced by a digital radio decoder of another standard and / or a digital radio decoder of a standard can be installed as an alternative to a digital radio decoder of another standard. So it can be provided that e.g. a DAB decoder can be replaced by an SDARS decoder and / or a DAB decoder can be installed as an alternative to an SDARS decoder.
  • the radio module comprises at least one radio module high-frequency input.
  • the radio module comprises an FM receiver for receiving an FM signal and / or an AM receiver for receiving an AM signal via the at least one radio module. High frequency input and for outputting a low frequency signal via the radio module low frequency output.
  • the radio module low frequency input and the decoder low frequency output are directly connected to one another.
  • the decoder low-frequency output and the radio module low-frequency input advantageously form a plug connection.
  • the decoder low-frequency output and the radio module low-frequency input or their electrical contacts are advantageously soldered to one another.
  • the decoder is inserted into the housing.
  • the radio module has a radio module power supply output which is matched to a decoder power supply input of the decoder.
  • the radio module has a radio module power supply output connected to a decoder power supply input of the decoder, the decoder power supply input and the radio module power supply output advantageously forming a plug connection.
  • the decoder power supply input and the radio module power supply output or their electrical contacts are advantageously soldered to one another.
  • the radio module has a radio module control signal interface connected to a decoder control signal interface of the decoder, the decoder control signal interface and the radio module control signal interface advantageously forming a plug connection.
  • the decoder control signal interface and the radio module control signal interface or their electrical contacts are advantageously soldered to one another.
  • the radio module has an interface to a CD drive, an interface to a telephone module and / or an interface to a TV tuner.
  • the radio module is implemented as a circuit board, advantageously the radio module low-frequency input Radio module power supply output and / or the radio module control signal interface is implemented as a connector on the board.
  • a method for producing a radio for a motor vehicle a radio module having a radio module low-frequency input and a radio module low-frequency output for outputting a radio module low-frequency Input incoming low-frequency signal is arranged in a housing, and wherein a digital radio decoder with a decoder high-frequency input, a decoder low-frequency output and a digital radio receiver for converting an incoming digital radio signal via the decoder high-frequency input is arranged or inserted into a low-frequency signal and for outputting the low-frequency signal via the decoder low-frequency output in such a way that the decoder low-frequency output is connected to the radio module low-frequency input.
  • the decoder low frequency output is plugged together with the radio module low frequency input.
  • a method for producing a radio for a motor vehicle a radio module having a radio module low-frequency input and a radio module low-frequency output for outputting a radio module low-frequency Input incoming low frequency signal, with a radio module power supply output and with a radio module control signal interface is arranged in a housing, and wherein a digital radio decoder with a decoder high frequency input, a decoder low frequency output, with decoder power supply -Input, with a decoder control signal interface and with a digital radio receiver for converting an incoming digital radio signal via the decoder high-frequency input into a low-frequency signal and for outputting the low-frequency signal via the decoder low-frequency output in such a way Housing arranged or inserted
  • the decoder low frequency output is connected to the radio module low frequency input
  • the decoder power supply input is connected to the radio module power supply output and / or the decoder control
  • a low-frequency signal in the sense of the invention is in particular an audio signal, that is to say in particular a signal in an audible frequency range.
  • a low frequency signal in the The sense of the invention is in particular a signal for controlling a loudspeaker, that is to say in particular a signal which can be converted directly into an acoustic signal, for example by means of a membrane or an equivalent element.
  • a high-frequency signal in the sense of the invention can e.g. an FM signal or an AM signal.
  • a high-frequency signal in the sense of the invention can e.g. also be a signal from a digital radio station.
  • a high-frequency signal in the sense of the invention can be a signal in the MHz range and / or in the GHz range.
  • a motor vehicle in the sense of the invention is in particular a land vehicle that can be used individually in road traffic.
  • Motor vehicles in the sense of the invention are in particular not limited to land vehicles with an internal combustion engine.
  • Fig. 5 shows a method for producing a radio for a motor vehicle
  • Fig. 6 shows another embodiment of a radio.
  • Fig. 1 shows a highly simplified and schematically illustrated embodiment for a radio 1 for a motor vehicle.
  • the radio 1 comprises a housing 2, in which a radio module 20 and a digital radio decoder 30 (e.g., which can be inserted or inserted into the housing 2) are arranged.
  • a digital radio decoder 30 can e.g. a DAB decoder, an SDARS decoder or a DVB-T decoder.
  • the radio module 20 has a radio module low-frequency input 22 and a radio module low-frequency output 28 for outputting a low-frequency signal entering the radio module low-frequency input 22.
  • the radio module 20 comprises two radio module high-frequency inputs 24 and 25 which can be connected to antennas 40 and 41 and an AM / FM receiver 26 for receiving an AM signal or an FM signal by means of the radio module high-frequency inputs 24 and 25 and for outputting a (demodulated) low-frequency signal via the radio module low-frequency output 28.
  • the radio module 20 comprises a switching module 27 which can be controlled by means of a control module 29 for the optional output of a in the radio module low-frequency input 22 incoming low-frequency signal or a low-frequency signal that can be output by the AM / FM receiver 26.
  • the control module 29 can be operated by means of an operating element, not shown, which can be connected, for example, to the housing 2 or can be arranged separately from the latter.
  • ßerDigitalradio Deeoder- 0-has-a-with-an-antenna-43-connectable-decoder-high-frequency input 34, a decoder-low frequency output 32 connected to the radio module low-frequency input 22 and a digital radio receiver 35 Conversion of a digital radio signal coming in via the decoder high-frequency input 34 into a (decoded / demodulated) low-frequency signal and for outputting the low-frequency signal via the decoder low-frequency output 32.
  • Digital radio decoder of another standard can be replaced and / or a digital radio decoder of one standard can be installed as an alternative to a digital radio decoder of another standard. So it can be provided that e.g. a DAB decoder can be replaced by an SDARS decoder and / or a DAB decoder can be installed as an alternative to an SDARS decoder.
  • the digital radio decoder 30 has a decoder power supply input 31.
  • the radio module 20 includes a radio module power supply output 21 which is matched to the decoder power supply input 31 of the digital radio decoder 30 and is connected to the decoder power supply input 31.
  • the digital radio decoder 30 comprises a decoder control signal interface 33 and the like
  • Radio module 20 comprises a radio module control signal interface 23 connected to decoder control signal interface 33 of digital radio decoder 30. Control signals can be exchanged between digital radio decoder 30 and radio module 20 via the connection of decoder control signal interface 33 and radio module control signal interface 23.
  • the radio module low frequency input 22 and the decoder low frequency output 32, the radio module power supply output 21 and the decoder power supply input 31 and the radio module control signal interface 23 and the decoder control signal interface 33 are plugged together and / or soldered to one another.
  • Fig. 2 shows a simplified embodiment of the radio module 20.
  • the radio module 20 is implemented on a circuit board 48, reference numeral 45 designating an area on the circuit board 48 in which e.g. Elements such as the AM / FM receiver 26 and possibly a DRM decoder and / or an IBOC decoder are arranged.
  • Plugs 50, 51 and 52, which are oriented orthogonally to the board 48, are also arranged on the board 48 with respect to their direction of insertion.
  • the connector 50 includes the radio module low frequency input 22, the Ka ⁇ iomo ⁇ ui power supply output 21 and the radio module control signal interface 23.
  • the radio module low frequency input 22 has two electrical contacts 22A and 22B
  • the radio module power supply output 21 has two electrical contacts 21 A and 21 B
  • the radio module control signal interface 23 has two electrical contacts 23A and 23B.
  • the plugs 51 and 52 are designed in accordance with the plug 50.
  • the board 48 can e.g. with a memory card reading device and by means of the plug 52 with a CD and / or DVD drive.
  • the radio 61 comprises a housing 62 in which a radio module 70 and a digital radio decoder 80 (for example insertable or insertable into the housing 62) are arranged.
  • a digital radio decoder can also e.g. a DAB decoder, an SDARS decoder or a DVB-T decoder.
  • the radio module 70 has a radio module low-frequency input 72 and a radio module low-frequency output 78 for outputting a low-frequency signal entering the radio module low-frequency input 72.
  • the radio module 70 also includes a radio module high-frequency input 99 that can be connected to an antenna 93 and a radio module high-frequency output 94 for outputting a high-frequency signal that is input into the radio module high-frequency input 99.
  • the radio module 70 further comprises two radio module high-frequency inputs 74 and 75 that can be connected to antennas 90 and 91, and an AM / FM receiver 76 for receiving an AM signal or an FM signal by means of the radio module high-frequency inputs 74 and 75 and to issue a (Demodulated) low frequency signal via the radio module low frequency output 78.
  • the radio module 70 comprises between the radio module low frequency input 72 and the radio module low frequency output 78 or between the AM / FM receiver 76 and the radio module low frequency Output 78, a switching module 77 which can be controlled by means of a control module 79, for selectively outputting a low-frequency signal coming into the radio module low-frequency input 72 or a low-frequency signal which can be output by the AM / FM receiver 76.
  • the control module 79 can be operated by means of an operating element, not shown, which can be connected, for example, to the housing 62 or can be arranged separately from the latter.
  • the digital radio decoder 80 has a decoder high-frequency input 84 connected to the radio module high-frequency output 94, a decoder low-frequency output 82 connected to the radio module low-frequency input 72 and a digital radio receiver 85 for converting one via the Decoder high-frequency input 84 incoming digital radio signal into a (decoded / demodulated) low-frequency signal and for outputting the low-frequency signal via the decoder low-frequency output 82.
  • the radio 61 is designed such that a digital radio decoder of one standard can be replaced by a digital radio decoder of another standard and / or a digital radio decoder of a standard can be installed as an alternative to a digital radio decoder of another standard. So it can be provided that e.g. a DAB decoder can be replaced by an SDARS decoder and / or a DAB decoder can be installed as an alternative to an SDARS decoder.
  • the digital radio decoder 80 has a decoder power supply input 81.
  • the radio module 70 comprises a radio module power supply output 71 which is matched to the decoder power supply input 81 of the digital radio decoder 80 and is connected to the decoder power supply input 81.
  • the digital radio decoder 80 comprises a decoder control signal interface 83 and the like Radio module a radio module control signal interface 73 connected to the decoder control signal interface 83 of the digital radio decoder 80. Control signals can be exchanged between the digital radio decoder 80 and the radio module 70 via the connection of the decoder control signal interface 83 and the radio module control signal interface 73.
  • the radio module low frequency input 72 and the decoder low frequency output 82, the radio module power supply output 71 and the decoder power supply input 81, the radio module control signal interface 73 and the decoder control signal interface 83 as well as the radio module high-frequency output 94 and the decoder high-frequency input 84 are connected to one another and / or soldered to one another.
  • Fig. 4 shows a simplified embodiment of the radio module 70.
  • the radio module 70 is implemented on a circuit board 98, reference numeral 95 designating an area on the circuit board 98 in which e.g. Elements such as the AM / FM receiver 76 and possibly a DRM decoder and / or an IBOC decoder are arranged.
  • Plugs 100, 101 and 102 which are oriented orthogonally to the board 98 are also arranged on the board 98 with respect to their plug-in direction.
  • the connector 100 includes the radio module low frequency input 72, the radio module power supply output 71, the radio module control signal interface and 73 and the radio module high frequency output 94.
  • the radio module low frequency input 72 has two electrical contacts 72A and 72B
  • the radio module power supply output 71 has two electrical contacts 71 A and 71 B
  • the radio module control signal interface 73 has two electrical contacts 73A and 73B.
  • the radio module high-frequency output 94 has two electrical contacts 103 and 104 arranged coaxially within a shield 105.
  • the connectors 101 and 102 are designed like the connector 100 but without the radio module high-frequency output 94.
  • the board 98 can e.g. with a memory card reading device and by means of the plug 102 with a CD and / or DVD drive.
  • the radio module 20 or 70 is arranged in a step 111 in the housing 2 or 62.
  • Step 111 is followed by a step 112 in which the digital radio decoder 30 or 80 is arranged in the housing 2 or 62 or inserted or inserted into the housing 2 or 62 in such a way that the decoder low-frequency output 32 is connected to the Radio module low-frequency input 22, the decoder power supply input 31 to the radio module power supply output 21 and the decoder control signal interface 33 are connected to the radio module control signal interface 23 in the sense of a plug connection or that the decoder low-frequency output 82 with the radio module low frequency input 72, the decoder power supply input 81 with the radio module power supply output 71, the decoder control signal interface 83 with the radio module control signal interface 73 and the High-frequency decoder input 84 is connected to the radio module high-frequency output 94 in the sense of a plug connection.
  • the radio 121 comprises a digital radio decoder 123 inserted in a connector corresponding to the connector 50 or 100, one in a connector 51 or 101 corresponding plug inserted memory card reader 124 and a CD and / or DVD drive 125 (or CD changer) inserted into a plug corresponding to the plug 52 or 102.
  • the digital radio decoder 123 is connected to an antenna 160 by means of a high-frequency input 180 of the radio 121.
  • the radio 121 also comprises an AM / FM receiver 126 (possibly comprising a DRM decoder and / or an IBOC decoder), which is connected to antennas 161 and 162 by means of radio-frequency inputs 181 and 182 of the radio 121.
  • Low frequency signals that can be generated by the digital radio decoder 123, the memory card reader 124, the inserted CD and / or DVD drive 125 and the AM / FM receiver 126 are amplified and filtered by means of an output stage 127 and via a low frequency output 183 can be output to a low-frequency line 200 or a loudspeaker 145.
  • An external amplifier 144 e.g. be provided as a volume control.
  • the radio 121 further comprises a memory 128 with a human-machine interface stored as a program code, a human-machine interface for operating the radio 121 being represented on a combination instrument 146 connected to the radio 121 via a CAN bus 201 by means of the program code becomes.
  • radio 121 has a corresponding CAN bus interface 187 connected to CAN bus 201.
  • further displays or remote control elements can also be connected to the radio 121 via the CAN bus 201.
  • the radio 121 can also include a diagnostic system 129, a voice control system 130 and / or components 131 for a navigation system.
  • the radio 121 also includes a low frequency input 189 connected to a microphone 150 and a telephone interface 188 connected to a telephone module 140, which comprises a low frequency input, a low frequency output and a telephone control signal interface.
  • the radio 121 further comprises a CD changer interface 186 connected to a CD changer 141, which comprises a low-frequency input and a CD changer control signal interface, optionally a TV interface 185 which can be connected to a TV tuner 142 and which is one Low frequency input and a video input, and also optionally a rear seat entertainment interface 184 connectable to a rear seat entertainment system 143, which comprises a low frequency output and a video output.
  • the CD changer 141 can also be connected to the radio 121 via the CAN bus 201.
  • I ⁇ juice vehicle_120 further comprises a device 147 for providing vehicle signals, such as the speed of the motor vehicle 120 or a key position (clamp status), a diagnostic tester 148 and a multifunction steering wheel 149.
  • the telephone module 140, the TV tuner 142, the rear seat Entertainment system 143, the external amplifier 144p, the instrument cluster 146, the device 147 for providing vehicle signals, the diagnostic tester 148 and the multifunction steering wheel 149 are connected to one another in terms of data technology by means of the CAN bus 201.
  • the power supply inputs and outputs and the control signal interfaces of the plugs 50, 51, 52, 100, 101, 102 are in Fig. 2 and Fig. 4 for reasons of clarity with only two electrical contacts 21 A, 21 B, 22A, 22B, 23A, 23B, 71 A, 71 B, 72A, 72B, 73A and 73B, respectively.
  • the low-frequency inputs and outputs, the power supply inputs and outputs and the control signal interfaces can advantageously also each comprise more than two electrical contacts.
  • the low-frequency inputs and outputs can advantageously each comprise four electrical contacts.
  • the energy supply inputs and outputs can, for example, advantageously each comprise six or eight electrical contacts, with two electrical contacts in each case being able to be assigned to a voltage potential.
  • the control signal interfaces can, for example, advantageously each comprise four, eight or sixteen electrical contacts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Structure Of Receivers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

La présente invention concerne une radio (1, 61, 121) destinée à un véhicule automobile (120). Selon l'invention: la radio (1, 61, 121) comprend un boîtier (2, 62) dans lequel se trouve un module radio (20, 70) et un décodeur numérique radio (30, 80, 123); le module radio (20, 70) présente une entrée basse fréquence de module radio (22, 72) et une sortie basse fréquence de module radio (28, 78, 183) qui sert à émettre un signal basse fréquence qui pénètre par l'entrée basse fréquence de module radio (22, 72); le décodeur numérique radio (30, 80, 123) présente une entrée haute fréquence de décodeur (34, 84), une sortie basse fréquence de décodeur (32, 82) reliée à l'entrée basse fréquence de module radio (22, 72), et un récepteur numérique radio (35, 85) qui sert à convertir un signal numérique radio qui pénètre par l'entrée haute fréquence de décodeur (34, 84), en un signal basse fréquence, et à émettre le signal basse fréquence par la sortie basse fréquence de décodeur (32, 82).
EP05752567A 2004-06-17 2005-06-08 Radio pour vehicule automobile Ceased EP1759464A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004029334A DE102004029334A1 (de) 2004-06-17 2004-06-17 Radio für ein Kraftfahrzeug
PCT/EP2005/006123 WO2005125023A1 (fr) 2004-06-17 2005-06-08 Radio pour vehicule automobile

Publications (1)

Publication Number Publication Date
EP1759464A1 true EP1759464A1 (fr) 2007-03-07

Family

ID=34970790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05752567A Ceased EP1759464A1 (fr) 2004-06-17 2005-06-08 Radio pour vehicule automobile

Country Status (6)

Country Link
US (1) US7844225B2 (fr)
EP (1) EP1759464A1 (fr)
JP (1) JP4741585B2 (fr)
CN (1) CN1969461A (fr)
DE (1) DE102004029334A1 (fr)
WO (1) WO2005125023A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012014547B4 (de) * 2012-07-21 2015-06-25 Audi Ag Schaltungsanordnung für eine Mobilfunkeinheit eines Kraftwagens, Kraftwagen und Verfahren zum Betreiben der Schaltungsanordnung
DE102012014548B3 (de) 2012-07-21 2014-05-15 Audi Ag Mobilfunkvorrichtung für einen Kraftwagen, sowie Verfahren zum Betreiben der Mobilfunkvorrichtung
JP2021510971A (ja) * 2018-01-17 2021-04-30 ヒルシュマン カー コミュニケーション ゲゼルシャフト ミット ベシュレンクテル ハフツングＨｉｒｓｃｈｍａｎｎ Ｃａｒ Ｃｏｍｍｕｎｉｃａｔｉｏｎ ＧｍｂＨ 受信機システムから遠隔にあるｌｔｅモジュール

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Publication number Priority date Publication date Assignee Title
DE4136068A1 (de) 1991-11-01 1993-05-06 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover, De Rundfunkuebertragungssystem und rundfunkempfaenger fuer ukw-fm und digitalen rundfunk (dab)
EP0610313B1 (fr) * 1991-11-01 1998-02-04 Thomson Consumer Electronics Sales GmbH Systeme de radiodiffusion et recepteur de radiodiffusion
JPH10247855A (ja) * 1997-03-04 1998-09-14 Sony Corp 放送信号受信装置
DE19735545C1 (de) * 1997-08-16 1998-12-17 Grundig Ag Vorrichtung zur Wiedergabe von Audiosignalen in einem Kraftfahrzeug
JPH11112449A (ja) * 1997-09-29 1999-04-23 Alpine Electron Inc 多重放送受信機
JP3259954B2 (ja) * 1997-12-18 2002-02-25 株式会社オートネットワーク技術研究所 車載用ユニット
JPH11234154A (ja) * 1998-02-16 1999-08-27 Alpine Electron Inc 多重放送受信機
JP4048632B2 (ja) 1999-01-22 2008-02-20 ソニー株式会社 デジタル音声放送の受信機
JP3692915B2 (ja) * 2000-08-08 2005-09-07 トヨタ自動車株式会社 車両用電子機器システム

Non-Patent Citations (1)

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Title
See references of WO2005125023A1 *

Also Published As

Publication number Publication date
JP2008503123A (ja) 2008-01-31
US7844225B2 (en) 2010-11-30
WO2005125023A1 (fr) 2005-12-29
JP4741585B2 (ja) 2011-08-03
CN1969461A (zh) 2007-05-23
US20080242259A1 (en) 2008-10-02
DE102004029334A1 (de) 2006-01-05

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