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DE19631694A1 - Space indicator between trailed rear end and parking position limits - Google Patents

Space indicator between trailed rear end and parking position limits

Info

Publication number
DE19631694A1
DE19631694A1 DE19631694A DE19631694A DE19631694A1 DE 19631694 A1 DE19631694 A1 DE 19631694A1 DE 19631694 A DE19631694 A DE 19631694A DE 19631694 A DE19631694 A DE 19631694A DE 19631694 A1 DE19631694 A1 DE 19631694A1
Authority
DE
Germany
Prior art keywords
signals
distance
trailer
motor vehicle
driver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19631694A
Other languages
German (de)
Inventor
Joerg Knoblich
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.)
IN PRO HERSTELLUNGS und VERTRI
Original Assignee
IN PRO HERSTELLUNGS und VERTRI
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
Priority claimed from DE29518190U external-priority patent/DE29518190U1/en
Application filed by IN PRO HERSTELLUNGS und VERTRI filed Critical IN PRO HERSTELLUNGS und VERTRI
Priority to DE19631694A priority Critical patent/DE19631694A1/en
Priority to DE29623563U priority patent/DE29623563U1/en
Publication of DE19631694A1 publication Critical patent/DE19631694A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B60Q9/002—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for parking purposes, e.g. for warning the driver that his vehicle has contacted or is about to contact an obstacle
    • B60Q9/007—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for parking purposes, e.g. for warning the driver that his vehicle has contacted or is about to contact an obstacle providing information about the distance to an obstacle, e.g. varying sound
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/003—Transmission of data between radar, sonar or lidar systems and remote stations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9314—Parking operations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9317—Driving backwards
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9323—Alternative operation using light waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9324—Alternative operation using ultrasonic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9327—Sensor installation details
    • G01S2013/93272—Sensor installation details in the back of the vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transportation (AREA)
  • Human Computer Interaction (AREA)
  • Mechanical Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

At least one transmitter for ultrasonic, IR, microwave etc. signals, and a sensor for reflected signals is located at the trailer (12) rear. The signals are processed by an evaluator and there is an indicator of the distance of the driver's cab (11). A modulator (20) at the trailer feeds the signals of the evaluator, or the distance signals to an HF carrier. A demodulator in the driver's cab demodulates the signals transmitted via the DC voltage supply line (21) of the articulated vehicle, and supplies them to the indicator.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur Anzeige des Abstandes zwischen der hinteren Begrenzung eines Anhängers einer in eine Parklücke einfahrenden Kraftfahrzeuges, insbesondere eines Lastzuges, und den die Parklücke begrenzenden ortsfesten Gegenständen oder Fahrzeugen, aufweisend mindestens einen hinten am Anhänger angebrachten Sender für Ultraschall-, Infrarot-, Mikrowellen- oder andere -signale, mindestens einen hinten am Anhänger angebrachten Sensor zum Auffangen reflektierter Signale, eine Auswerteschaltung für die ausgesendeten und empfangenen Signale und eine Anzeige des vorhandenen Abstandes in der Fahrerkabine der Zugmaschine des Lastzuges.The invention relates to a device for displaying the Distance between the rear boundary of a trailer a motor vehicle entering a parking space, especially a truck and the parking space limiting fixed objects or vehicles, having at least one attached to the rear of the trailer Transmitter for ultrasound, infrared, microwave or other -signals, at least one attached to the rear of the trailer Sensor for collecting reflected signals, one Evaluation circuit for the transmitted and received signals and an indication of the existing distance in the driver's cabin the tractor unit of the truck.

Es ist bekannt, über ausgesendete Signale den Abstand zwischen dem hinteren Ende eines Fahrzeuges und den einer Parklücke begrenzenden Gegenstände oder anderen parkenden Fahrzeugen zu bestimmen und dem Kraftfahrer am Steuerrad eine entsprechende Abstandsangabe zu übermitteln. Im Zusammenhang mit Fahrzeugen ist dies von besonderer Bedeutung, da die hier bislang eingesetzten Spiegel dem Kraftfahrer nur ein unvollkommenes Bild der Situation insbesondere des kritischen Abstandes vermitteln. It is known to use the emitted signals the distance between the rear end of a vehicle and that of a parking space limiting objects or other parked vehicles determine and the driver at the steering wheel a corresponding Distance information to be transmitted. In connection with vehicles this is of particular importance since so far used mirrors the driver only an imperfect Picture of the situation, especially the critical distance convey.  

Die bei Personenkraftfahrzeugen verwendeten Distanzmeßeinrichtungen können nicht ohne weiteres auch bei Lastzügen eingesetzt werden, da zwischen der Meßstelle und der Fahrerkabine erhebliche Abstände zu überbrücken sind. Man muß daher entsprechende Signalleitungen an der Zugmaschine und dem Anhängerfahrzeug verlegen und an der Anhängerkupplung auch miteinander verbinden. Es kommt noch hinzu, daß der recht rauhe Betrieb bei Lastzügen sehr schnell mit sich bringt, daß diese empfindlichen Leitungen ge- oder zerstört werden, so daß die gewünschte Distanzmessung nicht durchgeführt werden kann. Auch ist es beim Ankuppeln eines Anhängers an ein Zugfahrzeug mißlich, nicht nur die mechanische Kupplung und die elektrische Verbindung über eine Stecker-Kupplungsverbindung herstellen zu müssen, sondern eben noch zusätzlich eine weitere Verbindungsleitung durchzuschalten, die der Übertragung der Distanzsignale dienen soll.The used in passenger cars Distance measuring devices cannot easily be used for Road trains are used because between the measuring point and the Driver's cab must be bridged considerably. One must therefore appropriate signal lines on the tractor and the Lay the trailer vehicle and the trailer coupling too connect with each other. In addition, it is quite rough Operation on road trains very quickly entails that sensitive lines are damaged or destroyed, so that the desired distance measurement cannot be carried out. Also it is when coupling a trailer to a towing vehicle annoying, not just the mechanical coupling and the electrical one Establish connection via a plug-coupling connection must, but just another one Connect through the transmission line Distance signals should serve.

Die Erfindung will hier eine wesentliche Vereinfachung beim Umgang bzw. im Betrieb einer Vorrichtung der eingangs genannten Art schaffen.The invention aims to simplify the process considerably Handling or in the operation of a device of the type mentioned Create kind.

Erreicht wird dies dadurch, daß bei einer Vorrichtung der eingangs genannten Art ein Modulator am Anhänger die Signale der Auswerteschaltung bzw. die Abstandssignale auf einen HF-Träger gibt und ein Demodulator in der Fahrerkabine die über die Gleichspannungsversorgungsleitung übertragenen Signale demoduliert und der Anzeigeinrichtung zuführt.This is achieved in that the device type mentioned a modulator on the trailer the signals the evaluation circuit or the distance signals to one RF carriers and a demodulator in the driver's cabin the DC power line transmitted signals demodulates and feeds the display device.

Aufgrund der Verwendung eines Hochfrequenzträgers kann die ohnehin vorhandene Gleichstromleitung eines Lastzuges oder eines Personenkraftwagens mit Anhänger als Signalübertragungsleitung eingesetzt werden, so daß beim Ankuppeln eines Anhängerfahrzeuges an eine Zugmaschine keine besonderen Vorkehrungen zu treffen sind. Ist erst einmal die ohnehin notwendige Gleichstromverbindungsleitung, insbesondere für die Beleuchtung, hergestellt worden, so ist bereits auch die entsprechende Signalleitung durchgeschaltet worden, die der Übertragung der Distanzsignale dient.Due to the use of a radio frequency carrier, the DC line of a truck train already present or of a passenger car with a trailer as Signal transmission line are used so that when  Coupling a trailer vehicle to a tractor none special precautions must be taken. First is that DC connection line necessary anyway, in particular for lighting, has already been manufactured the corresponding signal line has been switched through, the Transmission of distance signals is used.

In der einzigen Figur der Zeichnung ist ein Lastzug mit eine Vorrichtung gemäß der Erfindung schematisch gezeigt
In der Figur ist mit 10 die Zugmaschine bezeichnet, wobei die Fahrerkabine die Bezugszahl 11 trägt. An der Zugmaschine ist ein Anhängerfahrzeug 12 befestigt, wobei hierzu eine mechanische und elektrische Kupplung allgemein mit der Bezugszahl 21 bezeichnet ist.In the single figure of the drawing, a truck with a device according to the invention is shown schematically
In the figure, 10 denotes the tractor, the driver's cab bearing the reference number 11 . A trailer vehicle 12 is fastened to the tractor, for which purpose a mechanical and electrical coupling is generally designated by the reference number 21 .

An dem hinteren Begrenzungsende des Anhängerfahrzeugs 12 ist die Vorrichtung 20 gemäß der Erfindung angeordnet. Diese besteht u. a. aus einem Sensor für Signale, einem Empfänger für reflektierte Signale sowie einer Auswerteschaltung für die ausgesendeten und empfangenen Signale.The device 20 according to the invention is arranged at the rear boundary end of the trailer vehicle 12 . This consists among other things of a sensor for signals, a receiver for reflected signals as well as an evaluation circuit for the transmitted and received signals.

Diese Signale werden nun einem Modulator zugeführt, der sie auf einen Hochfrequenzträger aufmoduliert und sodann auf die Gleichspannungsversorgungsleitung gibt. In der Fahrerkabine 11 werden diese Signale demoduliert und schließlich dem Distanzanzeigegerät zugeführt.These signals are then fed to a modulator, which modulates them onto a high-frequency carrier and then gives them to the DC voltage supply line. These signals are demodulated in the driver's cabin 11 and finally fed to the distance display device.

Auf diese Art und Weise hat der Fahrer ohne besondere Vorkehrungen die Möglichkeit, eine Aussage über den Abstand der hinteren Begrenzung des Anhängerfahrzeugs zu ortsfesten Gegenständen, insbesondere anderen parkenden Fahrzeugen zu erhalten.In this way, the driver has no special Precautions the ability to make a statement about the distance of the rear boundary of the trailer vehicle to be stationary  Objects, especially other parked vehicles receive.

Es liegt im Rahmen der vorliegenden Erfindung, die Vorrichtung auch während der Fahrt einzusetzen, also beispielsweise wenn ein Lastzug gerade ein anderes Fahrzeug oder einen Lastzug überholt hat. Die dann ausgesendeten und übertragenen Signale können in gleicher Weise, wie beim Einparken, ausgewertet werden und vermitteln dem Fahrer, ob er einen ausreichenden Abstand zu einem überholten Fahrzeug hat und entsprechend die Fahrspur wechseln kann.It is within the scope of the present invention, the device can also be used while driving, for example if a trailer truck is just another vehicle or a trailer truck has overtaken. The signals then transmitted and transmitted can be evaluated in the same way as when parking and convey to the driver whether he has sufficient Has a distance to an overhauled vehicle and accordingly the Can change lane.

Claims (2)

1. Vorrichtung zur Anzeige des Abstandes zwischen der hinteren Begrenzung eines Anhängers eines in eine Parklücke einfahrenden Kraftfahrzeuges, insbesondere eines Lastzuges, und den die Parklücke begrenzenden ortsfesten Gegenständen oder Fahrzeugen, aufweisend mindestens einen hinten am Anhänger angebrachten Sender für Ultraschall-, Infrarot-, Mikrowellen- oder andere -signale, mindestens einen hinten am Anhänger angebrachten Sensor zum Auffangen reflektierter Signale, eine Auswerteschaltung für die ausgesendeten und empfangenen Signale und eine Anzeige des vorhandenen Abstandes in der Fahrerkabine der Zugmaschine des Lastzuges, dadurch gekennzeichnet, daß ein Modulator (20) am Anhänger (12) die Signale der Auswerteschaltung bzw. die Abstandssignale auf einen HF-Träger gibt und ein Demodulator in der Fahrerkabine (11), die über die Gleichspannungs-Versorgungsleitung (21) des Lastzuges (10, 12) bzw. des Zugfahrzeuges mit Anhänger übertragenen Signale demoduliert und der Anzeigeeinrichtung zuführt. 1. Device for displaying the distance between the rear boundary of a trailer of a motor vehicle entering a parking space, in particular a truck, and the stationary objects or vehicles delimiting the parking space, comprising at least one transmitter for ultrasound, infrared, microwaves attached to the rear of the trailer - or other signals, at least one sensor attached to the rear of the trailer for collecting reflected signals, an evaluation circuit for the transmitted and received signals and an indication of the distance in the driver's cab of the tractor unit, characterized in that a modulator ( 20 ) on Trailer ( 12 ) gives the signals of the evaluation circuit or the distance signals to an HF carrier and a demodulator in the driver's cabin ( 11 ), which is connected to the DC voltage supply line ( 21 ) of the truck ( 10 , 12 ) or the towing vehicle with trailer transmitted signals demodulated and feeds the display device. 2. Vorrichtung zur Anzeige des Abstandes zwischen der hinteren Begrenzung eines in eine Parklücke einfahrenden Personenkraftwagens und den die Parklücke begrenzenden ortsfesten Gegenständen oder Fahrzeugen, aufweisend mindestens einen hinten am Kraftfahrzeug angebrachten Sender für Ultraschall-, Infrarot-, Mikrowellen- oder andere -signale, mindestens einen hinten am Kraftfahrzeug angebrachten Sensor zum Auffangen reflektierter Signale, eine Auswerteschaltung für die ausgesendeten und empfangenen Signale und eine Anzeige des vorhandenen Abstandes im Kraftfahrzeug, dadurch gekennzeichnet, daß ein Modulator (20) die Signale der Auswerteschaltung bzw. die Abstandssignale auf einen HF-Träger gibt und ein Demodulator im Kraftfahrzeug die über eine der Gleichspannungs-Versorgungsleitungen (21) übertragenen Signale demoduliert und der Anzeigeeinrichtung zuführt.2.Device for displaying the distance between the rear boundary of a passenger vehicle entering a parking space and the stationary objects or vehicles delimiting the parking space, comprising at least one transmitter for ultrasound, infrared, microwave or other signals attached to the rear of the motor vehicle, at least a sensor attached to the rear of the motor vehicle for collecting reflected signals, an evaluation circuit for the transmitted and received signals and an indication of the existing distance in the motor vehicle, characterized in that a modulator ( 20 ) transmits the signals of the evaluation circuit or the distance signals to an HF carrier and a demodulator in the motor vehicle demodulates the signals transmitted via one of the DC voltage supply lines ( 21 ) and feeds them to the display device.
DE19631694A 1995-10-20 1996-08-06 Space indicator between trailed rear end and parking position limits Withdrawn DE19631694A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19631694A DE19631694A1 (en) 1995-10-20 1996-08-06 Space indicator between trailed rear end and parking position limits
DE29623563U DE29623563U1 (en) 1995-10-20 1996-08-06 Distance measurement for motor vehicles

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29516608 1995-10-20
DE29518190U DE29518190U1 (en) 1995-10-20 1995-11-16 Distance measurement for motor vehicles
DE19631694A DE19631694A1 (en) 1995-10-20 1996-08-06 Space indicator between trailed rear end and parking position limits

Publications (1)

Publication Number Publication Date
DE19631694A1 true DE19631694A1 (en) 1997-06-05

Family

ID=26058309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19631694A Withdrawn DE19631694A1 (en) 1995-10-20 1996-08-06 Space indicator between trailed rear end and parking position limits

Country Status (1)

Country Link
DE (1) DE19631694A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998033677A1 (en) * 1997-01-29 1998-08-06 Robert Bosch Gmbh Method for data transmission in a vehicle
DE10035124A1 (en) * 2000-07-19 2002-01-31 Volkswagen Ag Electronic distance warning system for a vehicle towing a trailer has distance sensors, controllers, warning devices, and an arrangement for transferring signals between the controllers in both the vehicle and trailer
DE102019130690A1 (en) * 2019-11-14 2021-05-20 Valeo Schalter Und Sensoren Gmbh Interface system for the transmission of trailer detection data

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3912439A1 (en) * 1989-04-15 1990-10-18 Vdo Schindling SIGNAL TRANSFER SYSTEM
DE4404527A1 (en) * 1994-02-12 1995-08-17 Geweu Ges Fuer Waerme Und Umwe Range indicator, esp. for heavy goods vehicles and trailers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3912439A1 (en) * 1989-04-15 1990-10-18 Vdo Schindling SIGNAL TRANSFER SYSTEM
DE4404527A1 (en) * 1994-02-12 1995-08-17 Geweu Ges Fuer Waerme Und Umwe Range indicator, esp. for heavy goods vehicles and trailers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998033677A1 (en) * 1997-01-29 1998-08-06 Robert Bosch Gmbh Method for data transmission in a vehicle
US6373375B1 (en) 1997-01-29 2002-04-16 Robert Bosch Gmbh Method for data transmission in a vehicle
DE10035124A1 (en) * 2000-07-19 2002-01-31 Volkswagen Ag Electronic distance warning system for a vehicle towing a trailer has distance sensors, controllers, warning devices, and an arrangement for transferring signals between the controllers in both the vehicle and trailer
DE10035124B4 (en) * 2000-07-19 2016-03-31 Volkswagen Ag Electronic distance warning system
DE102019130690A1 (en) * 2019-11-14 2021-05-20 Valeo Schalter Und Sensoren Gmbh Interface system for the transmission of trailer detection data

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