EP0123154B1 - Récepteur radio avec décodeur de trafic - Google Patents

Récepteur radio avec décodeur de trafic Download PDF

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Publication number
EP0123154B1
EP0123154B1 EP84103252A EP84103252A EP0123154B1 EP 0123154 B1 EP0123154 B1 EP 0123154B1 EP 84103252 A EP84103252 A EP 84103252A EP 84103252 A EP84103252 A EP 84103252A EP 0123154 B1 EP0123154 B1 EP 0123154B1
Authority
EP
European Patent Office
Prior art keywords
stage
reception
switch
traffic information
audio 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.)
Expired
Application number
EP84103252A
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German (de)
English (en)
Other versions
EP0123154A1 (fr
Inventor
Dietmar Flügel
Rüdiger Dipl.-Ing. Linde
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.)
Allgemeiner Deutscher Automobilclub (ADAC) eV
Original Assignee
Allgemeiner Deutscher Automobilclub (ADAC) eV
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6194572&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0123154(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Allgemeiner Deutscher Automobilclub (ADAC) eV filed Critical Allgemeiner Deutscher Automobilclub (ADAC) eV
Priority to AT84103252T priority Critical patent/ATE28009T1/de
Publication of EP0123154A1 publication Critical patent/EP0123154A1/fr
Application granted granted Critical
Publication of EP0123154B1 publication Critical patent/EP0123154B1/fr
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/091—Traffic information broadcasting
    • G08G1/094—Hardware aspects; Signal processing or signal properties, e.g. frequency bands

Definitions

  • the invention relates to a radio receiver according to the preamble of patent claim 1.
  • Such radio receivers are mainly installed as car radios in motor vehicles and work to receive traffic announcements on ultra-short waves.
  • Ultra-short wave radio traffic transmitters transmit in addition to a traffic radio transmitter detection frequency signal of e.g. 57 kHz also an announcement detection frequency signal of e.g. 125 kHz off as long as a traffic announcement is made.
  • a traffic radio transmitter detection frequency signal e.g. 57 kHz
  • an announcement detection frequency signal e.g. 125 kHz off as long as a traffic announcement is made.
  • an indicator lamp can be applied, which thus indicates when a traffic radio transmitter is switched on.
  • the announcement detection frequency signal on the other hand, only ever appears when a traffic announcement is to be made by the broadcaster.
  • switchovers can be triggered in the radio receiver, e.g.
  • the muted receiver is switched on during the traffic announcement or that a running tape recorder is switched off temporarily in order to receive a traffic announcement via the high-frequency reception-low frequency part during the occurrence of the announcement detection frequency signal (Funk-Technik 37, 1982, number 2, pages 53-57).
  • a problem with all known radio receivers with traffic radio reception is that only the traffic announcements of a very specific traffic radio station can be received, which is a disadvantage especially when a driver is in the border area between adjacent traffic radio stations. This can e.g. in the area of the borders of federal states or states, for example the Federal Republic of Germany / Austria, because the driver must then decide which of the two equally good receivable traffic radio stations with different but interesting traffic announcements should be set.
  • the aim of the invention is therefore to provide a radio receiver of the type mentioned at the beginning with which the driver can receive the traffic announcements of two traffic radio transmitters located in his reception area at any time, even in the case of a tape recorder, without the need for excessive circuitry.
  • the priority circuit is provided according to the invention, which gives priority to the traffic radio transmitter most interested in the driver.
  • the driver himself can select the traffic announcements of which traffic radio station he would prefer to receive by appropriately setting the radio receiver.
  • the traffic announcements of the first traffic information station set, those of the second traffic information station are put through to the output stage if there is no traffic announcement on the first traffic information transmitter at the same time. Since a simultaneous traffic announcement does not occur very frequently on both set traffic radio stations, the driver is thus fully informed in this way about the traffic announcements of both set traffic radio stations.
  • both reception parts can be tuned to all traffic radio transmitters, just like the previously known radio receiver with a special traffic radio reception part, which, however, only allows one traffic radio station to be received, two reception parts are sufficient. The additional effort for the priority switching is comparatively low.
  • the first high-frequency reception low-frequency section has a threshold circuit which, when falling below a predetermined reception field strength of the set transmitter emits a control signal and is connected to a warning signal generator which emits a warning signal when the control signal is present.
  • the warning signal can be of an acoustic or optical nature. This warning signal enables the driver to set a traffic radio decoder that is easier to receive.
  • the design is such that the warning signal generator emits an electrical audio frequency warning signal which is applied to the first switching contact of the low-frequency switch and that the threshold value circuit is connected via a control line to the priority circuit which communicates a threshold signal which appears when the predetermined reception strength is undershot with the others Control signals linked in such a way that the control circuit brings the switching arm into the first switching position when the threshold value signal appears.
  • the control signal can also be used to automatically search for the first high-frequency temp start low-frequency section and search for traffic stations (with / without area identification).
  • the warning signal generator and the control line to be switched by a manual switch from the low-frequency switch and / or the traffic radio decoder of the first high-frequency reception low-frequency part from the priority circuit can be switched off, so that a possible permanent annoyance by a warning tone or a warning lamp or the switchover to the first high-frequency reception-low frequency part can be avoided.
  • the first high-frequency reception-low-frequency part can also be expedient to design the first high-frequency reception-low-frequency part to be switchable by the low-frequency switch.
  • the same manual switch can preferably be used for switching off the warning signal generator and the first high-frequency reception-low-frequency part, in that this is only provided after these two switching stages have been combined.
  • the antenna line 30 of a radio receiver is applied to two high-frequency reception-low-frequency parts 13 and 14, which are connected in parallel and can be individually adjusted to a desired reception frequency by means of separate adjusting knobs 29, 24.
  • Both high frequency reception low frequency parts 13, 14 can be tuned to all frequencies of the FM band.
  • the high frequency reception low frequency part 14 also contains further radio bands, e.g. the medium wave, short wave and / or long wave band.
  • Traffic radio decoders 11 and 11 ' are installed in both high-frequency and low-frequency parts 13, 14, the outputs of which are connected to a priority circuit 18 via switching lines 37 and 38, respectively.
  • the radio receiver has a built-in cassette tape recorder 16, which can be switched on, for example, by means of a handle 31 to be operated from the outside or by an inserted cassette via a built-in switch 17, which is also connected to the priority circuit 18 via a control line 32.
  • the audio output signal of the two high-frequency reception low-frequency parts 13, 14 is applied to switch contacts I and 11 of a low-frequency switch 12 with three switch positions.
  • the audio output of the tape recorder 16 is connected to the third switching contact 111.
  • a control circuit 33 which is connected to the output of the priority circuit 18 via a control line, allows the switching arm of the low-frequency switch 12 to be brought into one of the three switching positions I, II or III.
  • the switching arm of the low-frequency switch 12 is connected to a power output stage 15, which feeds a loudspeaker 34, for example.
  • the first high-frequency reception-low frequency stage 13 is assigned a threshold circuit 19 which, when the signal falls below a predetermined reception field strength of the transmitter set in part 13, outputs a control signal which is passed on to a warning signal generator 20 via a connecting line 35.
  • a control signal which, like the output of the first high-frequency reception low-frequency part 13, is applied to the switching contact I of the low-frequency switch 12.
  • An on / off switch 21 which can be actuated from the outside by means of an operating button 36 allows the warning signal generator 20 and also the first high-frequency reception / low-frequency part 13 to be switched off optionally by the switch contact I.
  • the switch 21 also couples on / off switches 21 ′, 21 ′′ in a control line between the threshold value circuit 19 and the priority circuit 18 or the switching line 37, so that the control line 39 and the switching line 37 are also interrupted when the switch 21 is opened.
  • the high-frequency reception-low frequency part 14 can now be tuned to any transmitter whose reception is desired by means of the tuning button 24.
  • the driver is completely free to set the station and can switch on classical music, light music or voice programs as required. He does not have to deviate from the desired setting if he also wants to listen to the traffic announcements of a traffic information station. In this case, he only has to set the first radio frequency reception / low frequency part 13 to the desired traffic radio station via the tuning button 29.
  • the traffic radio decoder 11 delivers a switching signal to the third input of the priority circuit 18 via the control line 37.
  • the priority circuit 18 outputs a control signal to the control circuit 33, which causes the switching arm of the low-frequency switch 12 to switch to the lower one Switch position I arrives in which the output of the first high-frequency reception-low-frequency part 13 is applied to the output stage 15.
  • the traffic announcement can now be listened to via the loudspeaker 34, while the program set in part 14 is temporarily interrupted.
  • the switching signal on line 37 disappears again and the switching arm of the low-frequency switch 12 returns to the middle switching contact II.
  • the set program can now continue to be received.
  • the tape recorder 16 If the tape recorder is switched on, a corresponding switching signal reaches the first input of the priority circuit 18 via the line 32, as a result of which the control circuit 33 is caused to apply the switching arm of the low-frequency switch 12 to the upper switching contact I. Now the audio output of the tape recorder 16 is connected to the output stage 15 and the tape can be listened to via the loudspeaker 34. If a traffic announcement is now received by the first high-frequency reception-low-frequency part 13, the switching arm 37, the priority circuit 18 and the control circuit 33 again switch the switching arm of the low-frequency switch 12 to the lower switching position I, so that the traffic message can now be received.
  • the tape recorder 16 is also expediently turned off briefly during this time.
  • a switchover to the relevant high-frequency, low-frequency part 13 or 14 takes place both when a switching signal appears at the output of the traffic radio decoder 11 and at the output of the traffic radio decoder 11 '.
  • the priority circuit 18 again gives priority to the first high-frequency reception-low-frequency part 13, so that in this case the changeover switch 12 reaches switch position I.
  • the low-frequency switch 12 has only been illustrated schematically as a mechanical switch. It is preferably designed as an electronic switching element.
  • the radio receiver according to the invention differs externally in a first exemplary embodiment in the manner shown in FIG. 2 from a normal car radio.
  • the main frequency setting scale 22 which is actuated by a setting button 24, there is a narrower secondary frequency setting scale 23 running parallel to it, which is assigned to the first high-frequency receiving low-frequency part 13 and on which a desired traffic radio station can be set by means of something smaller adjustment knob 29.
  • a diode 25 can additionally display the setting of a traffic transmitter via the transmitter detection frequency signal.
  • the switches 24, 29 can also be designed as a two-level switch.
  • FIG. 3 A simplified embodiment is shown in Fig. 3. Here there is only one auxiliary setting button 29 for the traffic information transmitter and a display diode 25. As soon as a traffic radio transmitter of sufficient reception strength is switched on, the display diode 25 lights up.
  • the transmitter setting can also be determined by means of a digital display 28 for both receiving parts.
  • a digital display 28 for both receiving parts.
  • the threshold value circuit 19 is connected via a control line 39 to the priority circuit 18, which links the threshold signal with the other control signals in the required manner.
  • the station search run of the high-frequency reception-low-frequency part 13 can also be started, if one is present.
  • the switch 21 can be opened by means of the manual control button 36, as a result of which the signal generator 20 and the first high-frequency reception-low-frequency part 13 can be disconnected from the switch contact. Simultaneously with the opening of the switch 21, the switches 21 ', 21 "mechanically coupled with it are also opened. In this way it is prevented that the switching arm of the low-frequency switch 12 can reach switch position I.
  • This switch position is expedient in a country where Traffic radio station can not be received at all or if, for example, you do not want to be disturbed by traffic announcements when listening to a concert.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Claims (11)

1. Récepteur de radio-diffusion comportant un étage terminal (15) alimentant un haut-parleur 34 et/ou un casque, et qui est monté après un inverseur basse fréquence (12) commandé par un circuit de commande (33) et comportant au moins deux positions de commutation (I, II), et sur lequel se raccordent une première partie basse fréquence de réception haute fréquence (13) comportant un décodeur (11) de trafic et réglable au moins sur tous les émetteurs radio de trafic et une deuxième partie basse fréquence de réception haute fréquence (14) réglable indépendamment de la première partie basse fréquence de réception haute fréquence dans les bandes FM, ondes courtes, ondes moyennes et/ou ondes longues, l'inverseur basse fréquence (12) se trouvant normalement dans la deuxième position de commutation (II) reliant la deuxième partie basse fréquence de réception haute fréquence (14) à l'étage terminal et parvenant, seulement lors de la présence d'un signal de commutation à la sortie du décodeur (11) de trafic de la première partie basse fréquence de réception haute fréquence (13) par l'intermédiaire du circuit de commande (33), dans la première position de commutation (I) dans laquelle il raccorde la première partie basse fréquence de réception haute fréquence à l'étage terminal, récepteur caractérisé en ce que l'inverseur (12) basse fréquence présente une troisième position de commutation (III) dans laquelle un magnétophone (16) est raccordé sur l'étage terminal, en ce que la deuxième partie basse fréquence (14) de réception haute fréquence peut être également réglée sur tous les émetteurs de trafic et comporte un décodeur (11 ') de trafic, en ce que les sorties des deux décodeurs de trafic (11, 11 ') sont appliquées par l'intermédiaire d'un circuit de priorité (18) sur le circuit de commande (33) de l'inverseur (12) basse fréquence, le circuit de commande accordant la priorité au signal de commutation du décodeur de trafic (11 ) de la première partie basse fréquence de réception haute fréquence (13) de telle mqnière que l'inverseur basse fréquence (12) prenne la première position de commutation (I) lorsque les deux décodeurs de trafic (11, 11') délivrent un signal de commutation, et en ce que l'inverseur basse fréquence (12) prend la troisième position de commutation (III) lorsque le commutateur de magnétophone (17) est enclenché et qu'il n'y a aucun signal de commutation en provenance de l'un des décodeurs de trafic (11,11').
2. Récepteur de radio-diffusion selon la revendication 1, caractérisé en ce que la première partie basse fréquence de réception haute fréquence (13) présente un circuit de valeur de seuil (19) qui délivre un signal de commande lorsqu'on se trouve en dessous d'une amplitude de réception prédéterminée de l'émetteur réglé et est raccordé à un générateur de signal d'avertissement (20) qui délivre un signal d'avertissement lorsqu'il y a le signal de commande.
3. Récepteur de radio-diffusion selon la revendication 2, caractérisé en ce que le générateur de signal d'avertissement (20) délivre un signal d'avertissement électrique de fréquence audio qui est appliqué sur le contact de commutation de l'inverseur basse fréquence (12) correspondant à la première position de commutation (I) et en ce que le circuit de valeur de seuil (19) est connecté par l'intermédiaire d'un conducteur de commande (39) au circuit de priorité (18) qui combine un signal de valeur de seuil apparaissant lorsqu'on est en dessous de l'amplitude de réception prédéterminée avec l'autre signal de commande de telle manière que le circuit de commande (33) amène le bras de commutation dans la première position de commutation (I) lors de l'apparition du signal de seuil.
4. Récepteur de radio-diffusion selon la revendication 3, caractérisé en ce que le générateur de signal d'avertissement (20) et le conducteur de commande (39) peuvent être mis hors circuit par un commutateur manuel (21, 21') d'avec l'inverseur basse fréquence (12), et/ou le décodeur de trafic (11) de la première partie basse fréquence de réception haute fréquence (13) peut être mis hors circuit d'avec le circuit de priorité (18).
5. Récepteur de radio-diffusion selon l'une des revendications précédentes, caractérisé en ce que la deuxième partie basse fréquence de réception haute fréquence (14) présente également un circuit de valeur de seuil qui délivre un signal de commande lorsqu'on est en dessous d'une amplitude de réception prédéterminée de l'émetteur réglé et qui est raccordé à un générateur de signal d'avertissement lors de la présence du signal de commande.
6. Récepteur de radio-diffusion selon l'une des revendications précédentes, caractérisé en ce que la deuxième partie basse fréquence de réception haute fréquence (14) est associée à l'échelle de réglage de fréquence principale (22).
7. Récepteur de radio-diffusion selon la revendication 6, caractérisé en ce que la première partie basse fréquence de réception haute fréquence (13) est associée à une échelle de réglage de fréquence secondaire (23) qui se trouve au dessus ou en dessous de l'échelle de réglage de fréquence principale (22).
8. Récepteur de radio-diffusion selon la revendication 6, caractérisé en ce que la première partie basse fréquence de réception haute fréquence (13) est associée à un bouton de réglage de fréquence (24) et à une lampe (25) qui est commandée par le décodeur de trafic (11) de la première partie basse fréquence de réception haute fréquence (13).
9. Récepteur de radio-diffusion selon la revendication 6, caractérisé en ce que la première partie basse fréquence de réception haute fréquence (13) est associée à un dispositif automatique de recherche de trafic qui effectue la recherche indépendamment par l'intermédiaire du commutateur de valeur de seuil et/ou l'identification de gamme.
10. Récepteur de radio-diffusion selon l'une des revendications 1 à 6, caractérisé en ce qu'on prévoit un affichage digital de fréquence de réception (28) qui peut être raccordé sélectivement sur la première ou la deuxième partie basse fréquence de réception haute fréquence (13 ou 14).
11. Récepteur de radio-diffusion selon l'une des revendications précédentes, caractérisé en ce que la deuxième partie basse fréquence de réception haute fréquence (14) présente également un circuit de valeur de seuil qui délivre un signal de commande lorsqu'on est en dessous d'une amplitude de réception prédéterminée de l'émetteur réglé et est raccordé sur un générateur de signal d'avertissement qui délivre un signal d'avertissement lorsqu'il y a le signal de commande.
EP84103252A 1983-03-24 1984-03-23 Récepteur radio avec décodeur de trafic Expired EP0123154B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84103252T ATE28009T1 (de) 1983-03-24 1984-03-23 Rundfunkempfaenger mit verkehrsfunkdecoder.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3310792A DE3310792C2 (de) 1983-03-24 1983-03-24 Rundfunkempfänger mit Verkehrsfunkdecoder
DE3310792 1983-03-24

Publications (2)

Publication Number Publication Date
EP0123154A1 EP0123154A1 (fr) 1984-10-31
EP0123154B1 true EP0123154B1 (fr) 1987-06-24

Family

ID=6194572

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84103252A Expired EP0123154B1 (fr) 1983-03-24 1984-03-23 Récepteur radio avec décodeur de trafic

Country Status (3)

Country Link
EP (1) EP0123154B1 (fr)
AT (1) ATE28009T1 (fr)
DE (2) DE3310792C2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61290813A (ja) * 1985-06-18 1986-12-20 Pioneer Electronic Corp Ｆｍ受信機
DE3681246D1 (de) * 1985-10-18 1991-10-10 Grundig Emv Audiogeraetekombination fuer ein kraftfahrzeug.
DE8710025U1 (de) * 1987-07-22 1987-10-29 Wiemann, Hartmut, 2000 Hamburg Rundfunkempfangseinheit / nicht Kfz gebunden
JP2760552B2 (ja) * 1988-03-17 1998-06-04 三洋電機株式会社 受信機
DE4339432A1 (de) * 1993-11-18 1995-05-24 Bayerische Motoren Werke Ag Funksystem für Kraftfahrzeuge zum Übertragen von Warnsignalen eines Einsatzfahrzeugs zu anderen Verkehrsteilnehmern
DE19746525A1 (de) * 1997-10-22 1999-04-29 Volkswagen Ag Audioeinrichtung für Kraftfahrzeuge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2910073C2 (de) * 1979-03-14 1982-10-21 Siemens AG, 1000 Berlin und 8000 München Rundfunkempfänger mit Verkehrsfunkdecoder
DE3033699C2 (de) * 1980-09-08 1983-04-07 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung mit mehreren Signalquellen und einem gemeinsamen Niederfrequenz-Wiedergabeteil
DE3121034C2 (de) * 1981-05-27 1987-01-02 Blaupunkt-Werke Gmbh, 3200 Hildesheim UKW-Empfänger
DE3126117A1 (de) * 1981-07-02 1983-01-20 Blaupunkt-Werke Gmbh, 3200 Hildesheim Autoradio - kassettengeraet

Also Published As

Publication number Publication date
DE3310792A1 (de) 1984-10-04
DE3464425D1 (en) 1987-07-30
ATE28009T1 (de) 1987-07-15
EP0123154A1 (fr) 1984-10-31
DE3310792C2 (de) 1986-07-03

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