EP1330804B1 - Warning device for motorists - Google Patents

Warning device for motorists Download PDF

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Publication number
EP1330804B1
EP1330804B1 EP01944726A EP01944726A EP1330804B1 EP 1330804 B1 EP1330804 B1 EP 1330804B1 EP 01944726 A EP01944726 A EP 01944726A EP 01944726 A EP01944726 A EP 01944726A EP 1330804 B1 EP1330804 B1 EP 1330804B1
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EP
European Patent Office
Prior art keywords
alarm system
transmitting unit
antenna
trx
frequencies
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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
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EP01944726A
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German (de)
French (fr)
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EP1330804A1 (en
Inventor
Gerhard Neumann
Michael Di Koller
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Siemens AG Oesterreich
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Siemens AG Oesterreich
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Publication of EP1330804A1 publication Critical patent/EP1330804A1/en
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0965—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages responding to signals from another vehicle, e.g. emergency vehicle

Definitions

  • the invention relates to a warning device for drivers with a transmission device, which is set up on several different, in a frequency memory stored frequencies to send at least one radio frequency range.
  • a warning device of the type mentioned is apparent from DE 40 05 445 A1. at This warning device is intended to announce an accident to the three to five vehicles Repeat strongest frequencies. Aside from being mandatory here If the pilot tone is used, the cyclic announcement on several frequencies leads to delays in the order of a minute, if for example only the last frequency is received within the cycle. This is, for example, the warning of a ghost driver hardly possible, since this already covered a long distance within the stated time has traveled and is therefore also outside the transmission range, or already may have caused an accident.
  • EP 0 942 402 A2 describes an emergency warning device for emergency vehicles, which in addition to acoustic and / or optical warning signals, a warning on a frequency in to broadcast a radio band. This is done on a single fixed frequency, e.g. B. on upper or lower end of the FM broadcast range, provided that the Receiver is then tuned to this frequency.
  • an HF stage For receptions with two RF input parts, which are de facto required, an HF stage must be an automatic one Own station search.
  • the disclosed facility therefore not only sets special recipients among road users ahead, but is also characterized by additional ones Delay times due to the voting process.
  • the warning device for sending warning messages simultaneously several different frequencies is formed via at least one antenna.
  • the principle underlying the invention is based on the fact that in a certain In the majority of cases, drivers located in the danger zone use a radio receiver have switched on, in Central Europe usually in the FM radio range. Because according to the invention warning messages on several, for. B. 20 frequencies radiated simultaneously it is possible, de facto, for every driver who listens to the radio or at least his device has switched on, provided of course that on the one hand the locally in question coming frequencies are chosen and the transmission power is sufficient to be tight in one limited range to displace the currently set radio transmitter in terms of HF.
  • the text “Warning they have the wrong driveway used and ghost drivers "or” Acute ice risk "etc. are saved so that the warning is understandable without further consideration is.
  • At least one sensor for generating a trigger signal is provided, which thereby without further delays, for. B. by operating personnel, a Warning can be initiated.
  • Sensors that come into question here are known, for example inductive loops in the road, temperature sensors, flue gas sensors etc.
  • Warning messages from the memory as messages to be sent to the transmitting device leads and activates them. This will, for example, if a ghost driver is found using a suitable sensor, the ghost driver warning is practically instantaneous sent out from memory.
  • the transmitting device has a plurality of carrier generators with these associated modulators and the modulated carriers are fed to a common RF output stage.
  • the transmission power the common output stage is dimensioned so large that radio transmitter in one receiver of a motor vehicle can be displaced within the intended warning range
  • a stationary, scanning monitoring receiver is provided with at least one antenna, which scans the at least one radio frequency range at predeterminable time intervals and recorded and predefinable criteria corresponding frequencies of radio stations feeds the frequency memory of the transmitter for storage. Not known is, which transmitter the drivers to be warned have just tuned in, is through this Measure reached a very high probability that motorists actually did to reach. It is particularly appropriate if the criteria that can be specified have a minimum field strength contain at least one antenna. Also can be convenient certain RDS identifiers are assigned to the frequencies.
  • the flexibility and economy of the warning device can be increased if the Monitoring receiver in the non-scanning state a predeterminable frequency of a Transmitter with RDS function monitored for messages, and received messages to the Forwarding device and / or forwarded to controlled display devices.
  • the Transmitting device with the support of the RDS system emits an alarm bit.
  • a transmission device TRX has an antenna SAN can emit, equipped with a frequency memory FME an output stage HFE, a Modulator block MOD and a frequency memory FME for a number of frequencies, for example in the FM radio band that generally between 76 and 108 MHz is located.
  • the frequency memory FME can either preset the frequency here from a scanning Receiver UWE or from another, e.g. B. also manually operable input ENG receive.
  • An antenna EAN is assigned to the receiver UWE, however, if observed Commonly known arrangements transmitter TRX and receiver UWE a common Own antenna.
  • An audio signal s s from a voice memory SSP and / or a further, in particular digital signal s d from another source QEL can be fed to the modulator block MOD.
  • the invention also provides that the transmitter TRX is started on the basis of a trigger signal s a , which can originate from a sensor SES which, for. B. is triggered by ghost driver cars.
  • the trigger signal s a can also come from another source SOV, in the simplest case a manually operated switch.
  • the scanning receiver is UWE Spectrum analyzer SAL, which scans the entire FM range, where transmitters or their frequencies, the reception field strength below that for normal radio reception necessary minimum field strength, are ignored.
  • SAL Spectrum analyzer
  • the modulator block MOD in this embodiment contains twenty carrier generators P01 ... P20, which, for. B. are built on a PLL basis and their frequencies are determined via a frequency signal f from the frequency memory FME.
  • the generators P01 ... P20 are each followed by individual modulators M01 ... M20, the outputs of which are fed to the common RF power output stage HFE via a coupling network KOP.
  • the signals s s , s a are fed to the individual modulators M01 ... M20.
  • the SES sensor in the area of a motorway entrance - it can of course also are several sensors that work according to different principles - and on the other hand, a warning system connected to this, consisting of the monitoring receiver UWE and the transmitter TRX. Against the direction of travel on the highway ascending vehicles trigger the SES sensor so that the HFE power amplifier starts up and a warning message from the voice memory SSP on twenty radio frequencies is broadcast simultaneously.
  • the warning device is installed near the SES sensor and the SAN transmission antenna can, for example, by a correspondingly isolated and measured section of a Guardrail be formed.
  • the transmit power of the HFE power amplifier is dimensioned so that in one Range of a few hundred meters the signal is strong enough to pass other transmitters in the To displace the receiver of a motor vehicle.
  • the "beginning" ghost driver warned about his car radio and be advised that he is about to To become a ghost driver.
  • an antenna for will use the transmitter that has less omnidirectional characteristics but the one in question coming roadway as accurately and far as possible.
  • the monitoring receiver reads the possible frequencies into the FME frequency memory UWE has already been described above. It is also possible in addition to the Reception field strength use other criteria for the selection. So by reading out the RDS identifier ignores a locally strong, but foreign station because it is very likely that the drivers on their radio is not received.
  • a controller can also be used via RDS from a center to send other information, such as. B. Enable traffic jams.
  • the monitoring receiver USW is programmed that he only ever receives one radio program in the idle phase.
  • RDS can also be used for paging and can also be used by others pre-stored messages or displays, such as controlled traffic signs, are issued or are displayed.
  • the traffic announcement bit mentioned above can also be used expediently TA are emitted to e.g. B. switching from CD to radio too cause, and also an alarm bit AB, which to trigger additional functions, for. B. can be used to emit a loud sound.
  • the invention is preferably a stationary one Warning device on z. B. places at risk from ghost drivers that the warning device with many advantages but also in police vehicles etc. as well as in Traffic helicopters could be used to address drivers in emergencies to be able to.

Abstract

The invention relates to a warning device for motorists comprising a transmitting device (TRX), which is disposed for simultaneously transmitting at least one sound radio frequency range on several different frequencies stored in a frequency memory (FME). Said warning device is disposed for simultaneously emitting warning messages on several different frequencies via at least one antenna (SAN). The transmitting device can comprise several carrier generators provided with modulators assigned thereto, whereby the modulated carriers are fed to a common HF output stage (HFE).

Description

Die Erfindung bezieht sich auf eine Warneinrichtung für Kraftfahrer mit einer Sendeeinrichtung, die dazu eingerichtet ist, auf mehreren unterschiedlichen, in einem Frequenzspeicher abgelegten Frequenzen zumindest eines Hörfunk-Frequenzbereiches zu senden.The invention relates to a warning device for drivers with a transmission device, which is set up on several different, in a frequency memory stored frequencies to send at least one radio frequency range.

An Warneinrichtungen für Kraftfahrer besteht seit langem ein nicht abnehmender Bedarf, da es viele Situationen, nicht selten lebensbedrohender Art gibt, in welchen eine rasche, möglichst zuverlässige eine Gruppe von Kraftfahrern erreichende Warnung erfolgen soll. Beispiele für derartige Situationen sind aus den täglichen Verkehrsfunkdurchsagen allgemein bekannt; im besonderen sei jedoch auf die eminente Gefahr durch Geisterfahrer hingewiesen.There has long been a non-decreasing need for warning devices for motorists there are many situations, not infrequently life-threatening, in which a quick one, if possible reliable warning reaching a group of drivers. Examples for such situations are general from the daily traffic announcements known; in particular, however, attention should be drawn to the eminent danger from ghost drivers.

Allen bekannten Warneinrichtungen gemeinsam ist ihre verhältnismäßig große Trägheit. Bis beispielsweise eine Geisterfahrermeldung die gefährdeten Kraftfahrer erreicht hat, vergehen ab dem Erkennen eines Geisterfahrers im günstigsten Fall mehrere Minuten, da die Meldung zunächst an eine Rundfunkstation gelangen muss, welche sodann eine Warnung abstrahlt.Common to all known warning devices is their relatively high inertia. To For example, a ghost driver message that has reached endangered drivers will pass from the detection of a ghost driver, in the best case several minutes, since the message must first reach a radio station, which then emits a warning.

Andere, meist optische oder auch akustische Warnungen durch Anzeigetafeln, Blinklichter oder Hupen werden von Kraftfahrern oft übersehen oder überhört.Other, mostly visual or also acoustic warnings through display boards, flashing lights or horns are often overlooked or ignored by drivers.

Eine Warneinrichtung der eingangs genannten Art geht aus der DE 40 05 445 A1 hervor. Bei dieser Warneinrichtung soll ein verunfalltes Fahrzeug eine Durchsage auf den drei bis fünf empfangsstärksten Frequenzen wiederholen. Abgesehen davon, dass hier zwingend ein Pilotton verwendet wird, führt die zyklische Durchsage auf mehrere Frequenzen zu Verzögerungen in der Größenordnung einer Minute, falls beispielsweise erst die letzte Frequenz innerhalb des Zyklus empfangen wird. Damit ist beispielsweise die Warnung eines Geisterfahrers kaum möglich, da dieser innerhalb der genannten Zeit bereits eine große Wegstrecke zurückgelegt hat und sich daher auch außerhalb des Sendebereichs befindet, bzw. bereits einen Unfall verursacht haben kann.A warning device of the type mentioned is apparent from DE 40 05 445 A1. at This warning device is intended to announce an accident to the three to five vehicles Repeat strongest frequencies. Aside from being mandatory here If the pilot tone is used, the cyclic announcement on several frequencies leads to delays in the order of a minute, if for example only the last frequency is received within the cycle. This is, for example, the warning of a ghost driver hardly possible, since this already covered a long distance within the stated time has traveled and is therefore also outside the transmission range, or already may have caused an accident.

Auch bei dem Verfahren nach der US 5,303,259 A werden zeitlich aufeinanderfolgend eine Anzahl von Frequenzen abgestrahlt, die durch einen Tongenerator frequenz- oder amplitudenmoduliert sind, sodass der Lautsprecher eines Empfängers einen Alarmton aussenden kann. Da beispielsweise zwischen 87,1 und 107,9 MHz 105 Frequenzen sequentiell abgestrahlt werden müssen, ergeben sich Verzögerungen, die in den meisten Fällen untragbar sind. In the method according to US Pat Number of frequencies emitted which are frequency or amplitude modulated by a tone generator so that a receiver's loudspeaker emits an alarm tone can. Because, for example, between 87.1 and 107.9 MHz 105 frequencies are sequentially emitted there must be delays that are intolerable in most cases are.

Die EP 0 942 402 A2 beschreibt eine Notfall-Warneinrichtung für Einsatzfahrzeuge, welche neben akustischen und/oder optischen Warnsignalen eine Warnung auf einer Frequenz in einem Rundfunkband abstrahlen. Dies geschieht auf einer einzigen festen Frequenz, z. B. am oberen oder unteren Ende des UKW-Rundfunkbereichs, wobei vorausgesetzt wird, dass der Empfänger dann auf diese Frequenz abgestimmt wird. Bei Empfängen mit zwei HF-Eingangsteilen, die de facto vorausgesetzt werden, muss eine HF-Stufe einen automatischen Sendersuchlauf besitzen. Die geoffenbarte Einrichtung, setzt somit nicht nur spezielle Empfänger bei den Verkehrsteilnehmern voraus, sondern zeichnet sich gleichfalls durch zusätzliche Verzögerungszeiten wegen des Abstimmvorganges aus.EP 0 942 402 A2 describes an emergency warning device for emergency vehicles, which in addition to acoustic and / or optical warning signals, a warning on a frequency in to broadcast a radio band. This is done on a single fixed frequency, e.g. B. on upper or lower end of the FM broadcast range, provided that the Receiver is then tuned to this frequency. For receptions with two RF input parts, which are de facto required, an HF stage must be an automatic one Own station search. The disclosed facility therefore not only sets special recipients among road users ahead, but is also characterized by additional ones Delay times due to the voting process.

Eine Aufgabe der Erfindung liegt somit in der Schaffung einer wirksamen Warneinrichtung, die insbesondere ab Auslösung durch ein Ereignis weitgehend verzögerungsfrei Warnungen an Kraftfahrer übermittelt. Vor allem soll es möglich sein, einem Geisterfahrer rechtzeitig zu warnen, bevor er die eigentliche Straße oder Autobahn erreicht.It is therefore an object of the invention to create an effective warning device, warnings that are largely instantaneous, especially when triggered by an event transmitted to drivers. Above all, it should be possible to get a ghost driver in time warn before it reaches the actual street or highway.

Diese Aufgabe wird mit einer Warneinrichtung für Kraftfahrer erreicht, bei welcher erfindungsgemäß die Warneinrichtung zum Aussenden von Warnmeldungen gleichzeitig auf mehreren unterschiedlichen Frequenzen über zumindest eine Antenne ausgebildet ist.This object is achieved with a warning device for motorists, according to the invention the warning device for sending warning messages simultaneously several different frequencies is formed via at least one antenna.

Das der Erfindung zugrunde liegende Prinzip geht davon aus, dass in einem gewissen Gefahrenbereich befindliche Kraftfahrer in der Vielzahl der Fälle einen Radioempfänger eingeschaltet haben, in Mitteleuropa üblicherweise im UKW-Rundfunkbereich. Da gemäß der Erfindung Warnmeldungen auf mehreren, z. B. 20 Frequenzen gleichzeitig abgestrahlt werden, ist es möglich, de facto jeden Autofahrer, der Radio hört oder zumindest sein Gerät eingeschaltet hat, zu erreichen, vorausgesetzt natürlich, dass einerseits die lokal in Frage kommenden Frequenzen gewählt werden und die Sendeleistung ausreicht, um in einem eng begrenzten Bereich den jeweils eingestellten Rundfunksender HF-mäßig zu verdrängen.The principle underlying the invention is based on the fact that in a certain In the majority of cases, drivers located in the danger zone use a radio receiver have switched on, in Central Europe usually in the FM radio range. Because according to the invention warning messages on several, for. B. 20 frequencies radiated simultaneously it is possible, de facto, for every driver who listens to the radio or at least his device has switched on, provided of course that on the one hand the locally in question coming frequencies are chosen and the transmission power is sufficient to be tight in one limited range to displace the currently set radio transmitter in terms of HF.

Bei einer zweckmäßigen Variante ist zumindest ein Speicher für akustische Warnmeldungen vorgesehen. Beispielsweise könnte auf einem Speicher der Text "Achtung sie haben die falsche Auffahrt benutzt und werden Geisterfahrer" oder "Akute Glatteisgefahr" etc. abgespeichert sein, sodass die Warnung ohne dass es weiterer Überlegungen bedarf, verständlich ist.In an expedient variant, there is at least one memory for acoustic warning messages intended. For example, the text "Warning they have the wrong driveway used and ghost drivers "or" Acute ice risk "etc. are saved so that the warning is understandable without further consideration is.

Vorteilhaft ist es weiters, falls zumindest ein Sensor zur Erzeugung eines Auslösesignals vorgesehen ist, der hierdurch ohne weitere Verzögerungen, z. B. durch Bedienpersonal, eine Warnung initiiert werden kann. Sensoren die hier in Frage kommen sind bekannt, beispielsweise induktive Schleifen in der Fahrbahn, Temperatursensoren, Rauchgassensoren etc.It is also advantageous if at least one sensor for generating a trigger signal is provided, which thereby without further delays, for. B. by operating personnel, a Warning can be initiated. Sensors that come into question here are known, for example inductive loops in the road, temperature sensors, flue gas sensors etc.

Bei einer sehr wirksamen Variante kann vorgesehen sein, dass sie bei Auftreten eines Auslösesignals Warnmeldungen des Speichers als auszusendende Meldungen an die Sendeeinrichtung leitet und diese aktivieret. Dadurch wird beispielsweise bei Feststellen eines Geisterfahrers mittels eines entsprechenden Sensors praktisch unverzögert die Geisterfahrerwarnung aus dem Speicher heraus ausgesendet. In a very effective variant, it can be provided that when a trigger signal occurs Warning messages from the memory as messages to be sent to the transmitting device leads and activates them. This will, for example, if a ghost driver is found using a suitable sensor, the ghost driver warning is practically instantaneous sent out from memory.

Bei einer praktischen und ökonomischen Realisierung ist vorgesehen, dass die Sendeeinrichtung mehrere Trägergeneratoren mit diesen zugeordneten Modulatoren aufweist und die modulierten Träger einer gemeinsamen HF-Endstufe zugeführt sind.In a practical and economical implementation, it is provided that the transmitting device has a plurality of carrier generators with these associated modulators and the modulated carriers are fed to a common RF output stage.

Bei einer vorteilhaften Variante der Erfindung ist weiters vorgesehen, dass die Sendeleistung der gemeinsamen Endstufe so groß bemessen ist, dass Rundfunksender in einem Empfänger eines Kraftfahrzeuges innerhalb des vorgesehenen Warnbereichs verdrängt werden könnenIn an advantageous variant of the invention it is further provided that the transmission power the common output stage is dimensioned so large that radio transmitter in one receiver of a motor vehicle can be displaced within the intended warning range

Im Sinne hoher Effizienz und Wartungsfreiheit kann vorgesehen sein, dass ein ortsfester, scannender Überwachungsempfänger mit zumindest einer Antenne vorgesehen ist, welcher den zumindest einen Rundfunk-Frequenzbereich in vorgebbaren Zeitabständen durchscannt und erfasste und vorgebbaren Kriterien entsprechende Frequenzen von Rundfunksendern dem Frequenzspeicher der Sendeeinrichtung zur Abspeicherung zuführt. Da nicht bekannt ist, welche Sender die zu warnenden Autofahrer gerade eingestellt haben, wird durch diese Maßnahme eine überaus hohe Wahrscheinlichkeit erreicht, die Kraftfahrer tatsächlich zu erreichen. Dabei ist es vor allem angebracht, wenn die vorgebbaren Kriterien eine Mindestfeldstärke an der zumindest einen Antenne beinhalten. Auch können zweckmäßigerweise den Frequenzen bestimmte RDS-Kennungen zugeordnet sind.In terms of high efficiency and freedom from maintenance, it can be provided that a stationary, scanning monitoring receiver is provided with at least one antenna, which scans the at least one radio frequency range at predeterminable time intervals and recorded and predefinable criteria corresponding frequencies of radio stations feeds the frequency memory of the transmitter for storage. Not known is, which transmitter the drivers to be warned have just tuned in, is through this Measure reached a very high probability that motorists actually did to reach. It is particularly appropriate if the criteria that can be specified have a minimum field strength contain at least one antenna. Also can be convenient certain RDS identifiers are assigned to the frequencies.

Die Flexibilität und Ökonomie der Warneinrichtung lässt sich noch erhöhen, wenn der Überwachungsempfänger im nicht-scannenden Zustand eine vorgebbare Frequenz eines Senders mit RDS-Funktion auf Meldungen überwacht, und empfangene Meldungen an die Sendeeinrichtung und/oder an gesteuerte Anzeigeeinrichtungen weiterleitet.The flexibility and economy of the warning device can be increased if the Monitoring receiver in the non-scanning state a predeterminable frequency of a Transmitter with RDS function monitored for messages, and received messages to the Forwarding device and / or forwarded to controlled display devices.

Um auch Kraftfahrer zu erreichen, die ihr Radiogerät leise gestellt haben oder Tonband oder CD hören, empfiehlt es sich, wenn die Sendeeinrichtung unter Stützung auf das RDS-System ein traffic announcement bit abstrahlt.To reach even drivers who have turned their radios down or tapes or Listening to CD, it is recommended if the transmitter is based on the RDS system a traffic announcement bit is emitted.

Zur Erhöhung der Wirksamkeit der Warnungen kann es zweckdienlich sein, wenn die Sendeeinrichtung unter Stützung auf das RDS-System ein Alarm-bit abstrahlt.To increase the effectiveness of the warnings, it can be useful if the Transmitting device with the support of the RDS system emits an alarm bit.

Praktisch leicht realisierbar und wirkungsvoll ist es, wenn die zumindest eine Antenne durch einen Leitschienenabschnitt realisiert ist.It is practically easy to implement and effective if the at least one antenna is realized by a guardrail section.

Die Erfindung samt weiterer Vorteile ist im folgenden an Hand einer beispielsweisen Ausführungsform unter Bezugnahme auf die Zeichnung erläutert. In dieser zeigen

  • Fig. 1 die prinzipielle Struktur einer Warneinrichtung nach der Erfindung,
  • Fig. 2 die Erfindung in einem vereinfachten Blockschaltbild und
  • Fig. 3 die Sendeeinrichtung mit ihren Modulatoren in einem Blockschaltbild.
The invention together with further advantages is explained below using an exemplary embodiment with reference to the drawing. In this show
  • 1 shows the basic structure of a warning device according to the invention,
  • Fig. 2 shows the invention in a simplified block diagram and
  • Fig. 3 shows the transmitter with its modulators in a block diagram.

Wie aus Fig. 1 ersichtlich, besitzt eine Sendeeinrichtung TRX, die über eine Antenne SAN abstrahlen kann, mit einem Frequenzspeicher FME ausgestattet eine Endstufe HFE, einen Modulatorblock MOD sowie einen Frequenzspeicher FME für eine Anzahl von Frequenzen, beispielsweise im UKW-Rundfunkband, dass im allgemeinen zwischen 76 und 108 MHz gelegen ist.As can be seen from FIG. 1, a transmission device TRX has an antenna SAN can emit, equipped with a frequency memory FME an output stage HFE, a Modulator block MOD and a frequency memory FME for a number of frequencies, for example in the FM radio band that generally between 76 and 108 MHz is located.

Der Frequenzspeicher FME kann die Frequenzvorgabe hier entweder von einem scannenden Empfänger UWE oder von einer anderen, z. B. auch händisch betätigbaren Eingabe ENG erhalten. Dem Empfänger UWE ist eine Antenne EAN zugeordnet, doch können bei Beachtung allgemein bekannter Vorkehrungen Sender TRX und Empfänger UWE eine gemeinsame Antenne besitzen.The frequency memory FME can either preset the frequency here from a scanning Receiver UWE or from another, e.g. B. also manually operable input ENG receive. An antenna EAN is assigned to the receiver UWE, however, if observed Commonly known arrangements transmitter TRX and receiver UWE a common Own antenna.

Dem Modulatorblock MOD kann ein Audiosignal ss aus einem Sprachspeicher SSP und/oder ein weiteres, insbesondere digitales Signal sd aus einer anderen Quelle QEL zugeführt werden.An audio signal s s from a voice memory SSP and / or a further, in particular digital signal s d from another source QEL can be fed to the modulator block MOD.

Die Erfindung sieht auch vor, dass der Sender TRX aufgrund eines Auslösesignals sa hochgestartet wird, welches von einem Sensor SES stammen kann, welcher z. B. von Geisterfahrer-Pkws ausgelöst wird. Das Auslösesignal sa kann jedoch auch von einer anderen Quelle SOV stammen, im einfachsten Fall einen handbetätigbaren Schalter.The invention also provides that the transmitter TRX is started on the basis of a trigger signal s a , which can originate from a sensor SES which, for. B. is triggered by ghost driver cars. However, the trigger signal s a can also come from another source SOV, in the simplest case a manually operated switch.

Auf Fig. 2 bezugnehmend erkennt man, dass dem scannenden Empfänger UWE ein Spektrumanalyzer SAL nachgeordnet ist, welcher hier den gesamten UKW-Bereich durchscannt, wobei Sender bzw. deren Frequenzen, deren Empfangsfeldstärke unterhalb der für normalen Rundfunkempfang notwendiger Mindestfeldstärke liegen, ignoriert werden. Nach einem oder mehreren Durchläufen ergibt sich somit ein für den Empfängerstandort repräsentatives Belegungsspektrum der möglichen Frequenzen. Die ermittelten Frequenzen, im beschriebenen Beispiel zwanzig, werden sodann in dem Frequenzspeicher FME abgespeichert.Referring to FIG. 2, one can see that the scanning receiver is UWE Spectrum analyzer SAL, which scans the entire FM range, where transmitters or their frequencies, the reception field strength below that for normal radio reception necessary minimum field strength, are ignored. To one or more runs results in a representative one for the recipient location Allocation spectrum of the possible frequencies. The determined frequencies, in Example 20 described are then stored in the frequency memory FME.

Da sich im Laufe der Zeit das Frequenzspektrum ändern kann, z. B. durch neue Sender oder Überreichweiten, kann man den Scan-Vorgang periodisch, z. B. täglich wiederholen, um solchermaßen den Speicherinhalt des Frequenzspeichers FME zu aktualisieren. Since the frequency spectrum can change over time, e.g. B. by new channels or Exceeding ranges, you can periodically, e.g. B. Repeat daily to to update the memory content of the frequency memory FME in this way.

Wie aus Fig. 3 ersichtlich, enthält der Modulatorblock MOD bei diesem Ausführungsbeispiel zwanzig Trägergeneratoren P01 ... P20, die z. B. auf PLL-Basis aufgebaut sind und deren Frequenzen über ein Frequenzsignal f aus dem Frequenzspeicher FME bestimmt werden. Den Generatoren P01 ... P20 sind jeweils Einzelmodulatoren M01 ... M20 nachgeordnet, deren Ausgänge über ein Koppelnetzwerk KOP der gemeinsamen HF-Leistungsendstufe HFE zugeführt sind. Den Einzelmodulatoren M01 ... M20 sind die Signale ss, sa (siehe Fig. 1) zugeführt.3, the modulator block MOD in this embodiment contains twenty carrier generators P01 ... P20, which, for. B. are built on a PLL basis and their frequencies are determined via a frequency signal f from the frequency memory FME. The generators P01 ... P20 are each followed by individual modulators M01 ... M20, the outputs of which are fed to the common RF power output stage HFE via a coupling network KOP. The signals s s , s a (see FIG. 1) are fed to the individual modulators M01 ... M20.

Im folgenden wird unter Bezugnahme auf die Zeichnungsfiguren die Funktion des Ausführungsbeispiels bzw. seiner Varianten näher erläutert.In the following, the function of the embodiment will be described with reference to the drawing figures or its variants explained in more detail.

Im Bereich einer Autobahnauffahrt ist einerseits der Sensor SES - es kann sich natürlich auch um mehrere, auch nach unterschiedlichen Prinzipien arbeitende Sensoren handeln - und andererseits eine mit diesem verbundene Warnanlage, bestehend aus dem Überwachungsempfänger UWE und der Sendeeinrichtung TRX. Gegen die Fahrtrichtung auf die Autobahn auffahrende Fahrzeuge lösen den Sensor SES aus, sodass die Endstufe HFE hochgestartet und eine Warnmeldung aus dem Sprachspeicher SSP auf zwanzig Rundfunkfrequenzen gleichzeitig ausgestrahlt wird.On the one hand, there is the SES sensor in the area of a motorway entrance - it can of course also are several sensors that work according to different principles - and on the other hand, a warning system connected to this, consisting of the monitoring receiver UWE and the transmitter TRX. Against the direction of travel on the highway ascending vehicles trigger the SES sensor so that the HFE power amplifier starts up and a warning message from the voice memory SSP on twenty radio frequencies is broadcast simultaneously.

Die Warneinrichtung ist hier in Nähe des Sensors SES aufgestellt und die Sendeantenne SAN kann beispielsweise durch einen entsprechend isolierten und ermessenen Abschnitt einer Leitschiene gebildet sein. Die Sendeleistung der Endstufe HFE ist so bemessen, dass in einem Bereich von einigen hundert Metern das Signal stark genug ist, um andere Sender in dem Empfänger eines Kraftfahrzeuges zu verdrängen. Somit kann der "beginnende" Geisterfahrer über sein Autoradio gewarnt und darauf hingewiesen werden, dass er im Begriff ist, Geisterfahrer zu werden. Es ist verständlich, dass man nach Möglichkeit eine Antenne für den Sender verwenden wird, die weniger Rundstrahlcharakteristik hat, sondern die in Frage kommende Fahrbahn möglichst genau und weit abdeckt.The warning device is installed near the SES sensor and the SAN transmission antenna can, for example, by a correspondingly isolated and measured section of a Guardrail be formed. The transmit power of the HFE power amplifier is dimensioned so that in one Range of a few hundred meters the signal is strong enough to pass other transmitters in the To displace the receiver of a motor vehicle. Thus the "beginning" ghost driver warned about his car radio and be advised that he is about to To become a ghost driver. It is understandable that if possible, an antenna for will use the transmitter that has less omnidirectional characteristics but the one in question coming roadway as accurately and far as possible.

Das Einlesen der möglichen Frequenzen in den Frequenzspeicher FME durch den Überwachungsempfänger UWE wurde oben bereits beschrieben. Es ist zusätzlich möglich, neben der Empfangsfeldstärke andere Kriterien für die Auswahl heranzuziehen. So kann durch Auslesen der RDS-Kennung ein lokal stark einfallender, jedoch ausländischer Sender ignoriert werden, da er mit hoher Wahrscheinlichkeit von den Autofahrern an ihrem Rundfunkgerät nicht empfangen wird.The monitoring receiver reads the possible frequencies into the FME frequency memory UWE has already been described above. It is also possible in addition to the Reception field strength use other criteria for the selection. So by reading out the RDS identifier ignores a locally strong, but foreign station because it is very likely that the drivers on their radio is not received.

Da der Überwachungsempfänger UWE ständig in Betrieb ist, kann zusätzlich eine Steuerung über RDS von einer Zentrale erfolgen, um das Aussenden anderer Informationen, wie z. B. Staumeldungen zu ermöglichen. Dazu wird der Überwachungsempfänger USW so programmiert, dass er in der Ruhephase immer nur ein Rundfunkprogramm empfängt. Since the monitoring receiver UWE is constantly in operation, a controller can also be used via RDS from a center to send other information, such as. B. Enable traffic jams. For this purpose, the monitoring receiver USW is programmed that he only ever receives one radio program in the idle phase.

Das RDS auch für Paging benutzt werden kann und auch benutzt wird, können auch andere vorgespeicherte Meldungen oder Anzeigen, wie gesteuerte Verkehrsschilder, abgesetzt bzw. angezeigt werden.RDS can also be used for paging and can also be used by others pre-stored messages or displays, such as controlled traffic signs, are issued or are displayed.

Neben Warnmeldungen kann zweckmäßigerweise auch das bereits erwähnte Traffic Announcement-Bit TA abgestrahlt werden, um z. B. das Umschalten von CD auf Radio zu bewirken, und weiters ein Alarmbit AB, welches zur Auslösung weiterer Funktionen, z. B. zur Abgabe eines lauten Tones, heranziehbar ist.In addition to warning messages, the traffic announcement bit mentioned above can also be used expediently TA are emitted to e.g. B. switching from CD to radio too cause, and also an alarm bit AB, which to trigger additional functions, for. B. can be used to emit a loud sound.

Schließlich sei darauf hingewiesen, dass die Erfindung zwar bevorzugt eine stationäre Warneinrichtung an z. B. durch Geisterfahrer gefährdeten Stellen vorsieht, dass die Warneinrichtung mit vielen Vorteilen aber auch in Einsatzfahrzeugen der Polizei etc. sowie in Verkehrshubschraubern eingesetzt werden könnte, um in Notfällen Kraftfahrer ansprechen zu können.Finally, it should be pointed out that the invention is preferably a stationary one Warning device on z. B. places at risk from ghost drivers that the warning device with many advantages but also in police vehicles etc. as well as in Traffic helicopters could be used to address drivers in emergencies to be able to.

Claims (13)

  1. An alarm system for motor vehicle drivers comprising a transmitting unit (TRX) adapted for the purpose of transmitting on a number of different frequencies, stored in a frequency memory (FME), of at least one sound broadcasting frequency range,
    characterized in that
    the alarm system is adapted to transmit hazard-warning messages simultaneously on several different frequencies via at least one antenna (SAN).
  2. An alarm system as defined in claim 1, characterized by at least one store (SSP) for acoustic hazard-warning messages.
  3. An alarm system as defined in claim 1 or claim 2, characterized by at least one sensor (SES) for generating a triggering signal (Sa).
  4. An alarm system as defined in claim 2 and claim 3, characterized in that when a triggering signal (Sa) occurs, the alarm system transmits hazard-warning messages, in the form of broadcast announcements, from the store (SSP) to the transmitting unit (TRX) and activates the same.
  5. An alarm system as defined in any one of claims 1 to 4, characterized in that the transmitting unit (TRX) comprises a number of carrier generators (P01 ... P20) with their respective modulators (M01 ... M20) and the modulated carriers are passed to a common HF end stage (HFE).
  6. An alarm system as defined in any one of claims 1 to 5, characterized in that the transmission power of the common end stage (HFE) is sufficiently high to supersede broadcasting stations in a receiver in a motor vehicle within the given hazard area.
  7. An alarm system as defined in any one of claims 1 to 6, characterized in that a stationary scanning monitoring receiver (UWE) is provided with at least one antenna (EAN), which scans said at least one broadcasting frequency range at predefined time intervals collecting relevant data therefrom and adds frequencies of radio stations conforming to predefinable criteria to the frequency memory (FME) of the transmitting unit for storage thereof.
  8. An alarm system as defined in claim 7, characterized in that the predefinable criteria comprise a minimum signal strength produced at said at least one antenna (EAN).
  9. An alarm system as defined in claim 7 or claim 8, characterized in that specific RDS identifiers are assigned to the frequencies.
  10. An alarm system as defined in any one of claims 7 to 9, characterized in that the monitoring receiver (UWE) in the non-scanning state monitors a predefinable frequency of a transmitter having RDS functionality, in order to detect announcements, and passes detected announcements to the transmitting unit (TRX) and/or controlled display means.
  11. An alarm system as defined in any one of claims 1 to 10, characterized in that the transmitting unit broadcasts a traffic announcement bit (TA) with the support of the RDS system.
  12. An alarm system as defined in any one of claims 1 to 11, characterized in that the transmitting unit broadcasts an alert bit (AB) with the support of the RDS system.
  13. An alarm system as defined in any one of claims 1 to 12, characterized in that said at least one antenna (SAN, EAN) is formed by a section of conductor rail.
EP01944726A 2000-07-07 2001-07-09 Warning device for motorists Expired - Lifetime EP1330804B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0117000A AT411634B (en) 2000-07-07 2000-07-07 METHOD FOR WARNING A MOTOR DRIVER
AT11702000 2000-07-07
PCT/AT2001/000227 WO2002005243A1 (en) 2000-07-07 2001-07-09 Warning device for motorists

Publications (2)

Publication Number Publication Date
EP1330804A1 EP1330804A1 (en) 2003-07-30
EP1330804B1 true EP1330804B1 (en) 2004-04-21

Family

ID=3686524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01944726A Expired - Lifetime EP1330804B1 (en) 2000-07-07 2001-07-09 Warning device for motorists

Country Status (6)

Country Link
EP (1) EP1330804B1 (en)
AT (2) AT411634B (en)
CZ (1) CZ20024246A3 (en)
DE (1) DE50102079D1 (en)
HU (1) HUP0301609A2 (en)
WO (1) WO2002005243A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2613360A1 (en) * 1976-03-29 1977-10-13 William S Sadler Car warning generator using radio - with broadband generator responsive to other cars horn to overcome sound insulation of car body
DE4005445A1 (en) * 1990-02-21 1991-08-22 Bayerische Motoren Werke Ag Car warning signal generator on aerial - provides warning signal with clear text, repeated cyclically on selected frequency in relevant frequency region
US5303259A (en) * 1991-11-07 1994-04-12 Loveall Peter S Frequency-hopped electronic signal transmitter
US5572201A (en) * 1994-08-05 1996-11-05 Federal Signal Corporation Alerting device and system for abnormal situations
GB9722902D0 (en) * 1997-10-30 1998-01-07 Dunster Clive W Emergency warning system

Also Published As

Publication number Publication date
ATE265080T1 (en) 2004-05-15
CZ20024246A3 (en) 2003-06-18
EP1330804A1 (en) 2003-07-30
WO2002005243A1 (en) 2002-01-17
AT411634B (en) 2004-03-25
DE50102079D1 (en) 2004-05-27
HUP0301609A2 (en) 2003-08-28
ATA11702000A (en) 2003-08-15

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