EP0218251A1 - Safety device for motor vehicles - Google Patents

Safety device for motor vehicles Download PDF

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Publication number
EP0218251A1
EP0218251A1 EP86113982A EP86113982A EP0218251A1 EP 0218251 A1 EP0218251 A1 EP 0218251A1 EP 86113982 A EP86113982 A EP 86113982A EP 86113982 A EP86113982 A EP 86113982A EP 0218251 A1 EP0218251 A1 EP 0218251A1
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EP
European Patent Office
Prior art keywords
code signal
motor vehicle
signal
handle
safety device
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.)
Granted
Application number
EP86113982A
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German (de)
French (fr)
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EP0218251B1 (en
Inventor
Walter Weishaupt
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.)
Bayerische Motoren Werke AG
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Bayerische Motoren Werke AG
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Publication date
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Publication of EP0218251A1 publication Critical patent/EP0218251A1/en
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Publication of EP0218251B1 publication Critical patent/EP0218251B1/en
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/01—Mechanical arrangements specially adapted for hands-free locking or unlocking
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00579—Power supply for the keyless data carrier
    • G07C2009/00603—Power supply for the keyless data carrier by power transmission from lock
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00793—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by Hertzian waves
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/63—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle
    • G07C2209/65—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle using means for sensing the user's hand

Definitions

  • the invention relates to a safety device for motor vehicles, with a stationary transponder installed on the motor vehicle for generating a question code signal on the basis of a switching signal and with a portable transponder for receiving the question code signal and sending out a response code signal, and with a code signal comparator which, if the answer code signal matches a expected code signal delivers an unlocking signal to an unlocking device.
  • Such a safety device is known from DE-PS 33 13 098.
  • the switching signal is generated using the portable transponder.
  • a transponder is to be understood as a transceiver.
  • the portable transponder generates the switching signal by first sending an opening code signal to the stationary transponder. This signal is compared with a stored code signal and the switching signal is generated if the two code signals match.
  • the security device thus requires the stationary transponder to be operated manually before the question code signal is sent or received. This in turn presupposes that the opening code signal is transmitted to the stationary transponder without interference. Another operation is also required before the motor vehicle is actually opened manually.
  • the invention has for its object to provide a safety device of the type mentioned, which enables the authorized user to open the motor vehicle without a preparatory operation.
  • the invention solves this problem by means of a manually operable switch for triggering the switching signal which is arranged on the motor vehicle and is connected to a handle provided for using the motor vehicle.
  • the question code signal is sent out.
  • the portable transponder carried by the user immediately sends out the response code signal while the handle is still in its open position. If this corresponds to the expected code signal, the unlocking signal is generated and the motor vehicle can then be opened.
  • Question and answer code signals can preferably be generated on an HF basis.
  • a low transmission power is sufficient for both transponders, since the vehicle user is in the immediate vicinity of the motor vehicle when the handle is actuated. Interference problems due to excessive transmission distances between the two transponders can be avoided.
  • the handle can preferably be a door or flap actuating part, for example a door handle or a push button used to open a flap.
  • the switching signal can only be provided by a single handle, for example the door handle of the driver's door, or in several places, for example on this door handle and on the handle for opening the tailgate.
  • the transmission energy for the portable transponder can be made available in various ways.
  • a battery connected to the transponder provides an easy way of doing this.
  • Another possibility is by irradiating a corresponding one Power provided by the stationary transponder.
  • An example of this can be found in DE-OS 30 29 567 in the context of a transmission method for the value of the tire air pressure of a motor vehicle.
  • a security signal can also be generated in a corresponding manner using the handle.
  • a further switch can be connected to the handle, upon actuation of which the stationary transponder sends a corresponding question code signal to the portable transponder and generates the security signal upon receipt of a corresponding response code signal then supplied by the transponder.
  • a schematically represented motor vehicle 1 has a stationary transponder 2, which is followed by a code signal comparator 3.
  • the code signal comparator 3 is also connected to a code signal memory 4 and controls a schematically shown securing and unlocking device of the motor vehicle.
  • the last-mentioned device 5 can be, for example, an electromagnet for actuating a locking bolt in a door lock (not shown) of a vehicle door, for example the driver's door, or several such bolts in all doors and flaps of the motor vehicle, which are connected to one another via a central locking device .
  • This stationary transponder 2 has an antenna 6, which is accommodated, for example, in an outside mirror 6 'of the motor vehicle.
  • the transponder 2 is also assigned a switch 7, which is operated manually using a handle 7 'of the motor vehicle, For example, a door handle can be actuated when it is brought from its rest position 0 into its working position for opening the motor vehicle.
  • the transponder 2 also works together with a portable transponder 8, which is carried by a vehicle user, for example in the housing of an ignition key 10.
  • the transponder 8 also has a transmitting and receiving device (not shown in detail), for example also in the form of an antenna, and a rechargeable energy store 9 for providing a corresponding transmission power.
  • the vehicle user actuates the handle 7 1- .
  • the switch 7 actuated activates the transponder 2 and transmits a question code signal via the antenna 6.
  • This question code signal generated on the basis of HF simultaneously supplies the energy to the transponder 9 or is accompanied by an uncoded energy-rich signal which is also emitted by the antenna 6 and charges the energy store 9 of the transponder 8.
  • the transponder 8 generates an individual response code signal for the respective vehicle user and sends it out to the transponder 2, which also receives this with the antenna 6 and feeds it to the code signal comparator 3. This compares the response code signal with an expected code signal contained in the code signal memory 4 and, if the two code signals match, delivers an unlocking signal to the security device 5.
  • the code signal comparator 3 may determine the mismatch between the two code signals and does not deliver an unlocking signal to the security device 5.
  • a safety signal for the motor vehicle can also be generated with the aid of the handle 7 '.
  • it has a second working position 11, which is assumed when the handle 7 'is moved in the opposite direction.
  • the handle 7 ' actuates a further switch 11 which switches on the device 5.
  • the vehicle secures this by, for example, guiding a locking bolt into its locking position.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)

Abstract

Bei einer Sicherheitseinrichtung für Kraftfahrzeuge, mit einem am Kraftfahrzeug installierten, stationären Transponder (2) zum Erzeugen eines Fragecodesignals aufgrund eines Schaltsignals, mit einem tragbaren Transponder (8) zum Empfang des Fragecodesignals und Aussenden eines Antwortcodesignals, und mit einem Codesignalvergleicher (3), der bei Übereinstimmen des Antwortcodesignals mit einem erwarteten Codesignal ein Entsicherungssignal liefert, wird das Schaltsignal mit Hilfe eines am Kraftfahrzeug angeordneten, manuell betätigbaren Schalters (7) erzeugt, der mit einer zum Benutzen des Kraftfahrzeugs ohnehin vorgesehenen Handhabe (7') verbunden ist.In a safety device for motor vehicles, with a stationary transponder (2) installed on the motor vehicle for generating a question code signal based on a switching signal, with a portable transponder (8) for receiving the question code signal and sending out a response code signal, and with a code signal comparator (3) which if the response code signal corresponds to an expected code signal, an unlocking signal is generated, the switching signal is generated with the aid of a manually operated switch (7) arranged on the motor vehicle, which is connected to a handle (7 ') provided for using the motor vehicle anyway.

Description

Die Erfindung bezieht sich auf eine Sicherheitseinrichtung für Kraftfahrzeuge, mit einem am Kraftfahrzeug installierten stationären Transponder zum Erzeugen eines Fragecodesignals aufgrund eines Schaltsignals und mit einem tragbaren Transponder zum Empfang des Fragecodesignals und Aussenden eines Antwortcodesignals, und mit einem Codesignalvergleicher, der bei Übereinstimmen des Antwortcodesignals mit einem erwarteten Codesignal ein Entsicherungssignal an eine Entsicherungseinrichtung liefert.The invention relates to a safety device for motor vehicles, with a stationary transponder installed on the motor vehicle for generating a question code signal on the basis of a switching signal and with a portable transponder for receiving the question code signal and sending out a response code signal, and with a code signal comparator which, if the answer code signal matches a expected code signal delivers an unlocking signal to an unlocking device.

Eine derartige Sicherheitseinrichtung ist aus der DE-PS 33 13 098 bekannt. Das Schaltsignal wird mit Hilfe des tragbaren Transponders erzeugt. Unter Transponder ist dabei im folgenden eine Sende-Empfangs-Einrichtung zu verstehen. Der tragbare Transponder erzeugt das Schaltsignal, indem er zunächst ein Öffnungscodesignal an dem stationären Transponder ausschickt. Dieses Signal wird mit einem gespeicherten Codesignal verglichen und bei Übereinstimmung der beiden Codesignale das Schaltsignal erzeugt. Die Sicherheitseinrichtung erfordert somit vor dem Senden bzw. Empfangen des Fragecodesignals ein manuell durchzuführendes Betätigen des stationären Transponders. Dies setzt wiederum voraus, daß das Öffnungscodesignal störungsfrei auf den stationären Transponder übertragen wird. Zudem ist eine weitere Operation vor dem eigentlichen manuellen Öffnen des Kraftfahrzeugs erforderlich.Such a safety device is known from DE-PS 33 13 098. The switching signal is generated using the portable transponder. In the following, a transponder is to be understood as a transceiver. The portable transponder generates the switching signal by first sending an opening code signal to the stationary transponder. This signal is compared with a stored code signal and the switching signal is generated if the two code signals match. The security device thus requires the stationary transponder to be operated manually before the question code signal is sent or received. This in turn presupposes that the opening code signal is transmitted to the stationary transponder without interference. Another operation is also required before the motor vehicle is actually opened manually.

Der Erfindung liegt die Aufgabe zugrunde, eine Sicherheitseinrichtung der eingangs genannten Art zu schaffen, die ohne vorbereitende Operation unmittelbar ein Öffnen des Kraftfahrzeugs durch den autorisierten Benutzer ermöglicht.The invention has for its object to provide a safety device of the type mentioned, which enables the authorized user to open the motor vehicle without a preparatory operation.

Die Erfindung löst diese Aufgabe durch einen am Kraftfahrzeug angeordneten, manuell betätigbaren Schalter zum Auslösen des Schaltsignals , der mit einer zum Benutzen des Kraftfahrzeugs vorgesehenen Handhabe verbunden ist.The invention solves this problem by means of a manually operable switch for triggering the switching signal which is arranged on the motor vehicle and is connected to a handle provided for using the motor vehicle.

Mit dem Betätigen der Handhabe wird das Fragecodesignal ausgesandt. Der vom Benutzer mitgeführte tragbare Transponder sendet unmittelbar darauf, während sich die Handhabe noch in ihrer Öffnungsstellung befindet, das Antwortcodesignal aus. Stimmt dieses mit dem erwarteten Codesignal überein, so wird das Entsicherungssignal erzeugt, das Kraftfahrzeug kann dann geöffnet werden.When the handle is actuated, the question code signal is sent out. The portable transponder carried by the user immediately sends out the response code signal while the handle is still in its open position. If this corresponds to the expected code signal, the unlocking signal is generated and the motor vehicle can then be opened.

Frage- und Antwortcodesignal können dabei bevorzugt auf HF-Basis erzeugt werden. Hierzu genügt für beide Transponder eine geringe Sendeleistung, da sich der Fahrzeugbenutzer bei Betätigen der Handhabe in unmittelbarer Nähe des Kraftfahrzeugs befindet. Störprobleme infolge zu großer Übertragungsstrecken zwischen den beiden Transpondern lassen sich dabei vermeiden.Question and answer code signals can preferably be generated on an HF basis. A low transmission power is sufficient for both transponders, since the vehicle user is in the immediate vicinity of the motor vehicle when the handle is actuated. Interference problems due to excessive transmission distances between the two transponders can be avoided.

Bei der Handhabe kann es sich bevorzugt um ein Tür- oder Klappenbetätigungsteil, beispielsweise einen Türgriff oder einen zum Öffnen einer Klappe benutzten Druckknopf handeln. Das Schaltsignal kann nur durch eine einzige Handhabe, beispielsweise dem Türgriff der Fahrertür, oder an mehreren Stellen, beispielsweise an diesem Türgriff und-an der Handhabe zum Öffnen der Heckklappe vorgesehen sein .The handle can preferably be a door or flap actuating part, for example a door handle or a push button used to open a flap. The switching signal can only be provided by a single handle, for example the door handle of the driver's door, or in several places, for example on this door handle and on the handle for opening the tailgate.

Die Sendeenergie für den tragbaren Transponder kann auf verschiedene Weise zur Verfügung gestellt sein. Eine einfache Möglichkeit hierfür liefert eine mit dem Transponder verbundene Batterie. Eine weitere Möglichkeit ist durch Einstrahlung einer entsprechenden Leistung durch den stationären Transponder gegeben. Ein Beispiel hierfür findet sich in der DE-OS 30 29 567 im Rahmen eines Übertragungsverfahrens für den Wert des Reifenluftdrucks eines Kraftfahrzeugs.The transmission energy for the portable transponder can be made available in various ways. A battery connected to the transponder provides an easy way of doing this. Another possibility is by irradiating a corresponding one Power provided by the stationary transponder. An example of this can be found in DE-OS 30 29 567 in the context of a transmission method for the value of the tire air pressure of a motor vehicle.

Neben dem Entsicherungssignal kann auch auf entsprechende Weise ein Sicherungssignal mit Hilfe der Handhabe erzeugt werden. Hierzu ist es beispielsweise vorgesehen, die Handhabe durch Betätigen in entgegengesetzter Richtung zum Auslösen eines entsprechenden Sicherungssignals entweder direkt mit Hilfe eines in der Handhabe angeordneten Schalters oder indirekt zu veranlassen. Im letzteren Fall kann mit der Handhabe ein weiterer Schalter verbunden sein, bei dessen Betätigung der stationäre Transponder ein entsprechendes Fragecodesignal an den tragbaren Transponder aussendet und bei Erhalt eines von diesem dann gelieferten entsprechenden Anwortcodesignal das Sicherungssignal erzeugt.In addition to the unlocking signal, a security signal can also be generated in a corresponding manner using the handle. For this purpose, provision is made, for example, to actuate the handle by actuating in the opposite direction to trigger a corresponding safety signal either directly with the aid of a switch arranged in the handle or indirectly. In the latter case, a further switch can be connected to the handle, upon actuation of which the stationary transponder sends a corresponding question code signal to the portable transponder and generates the security signal upon receipt of a corresponding response code signal then supplied by the transponder.

Die Erfindung ist anhand eines in der Zeichnung dargestellten Ausführungsbeispiels beschrieben.The invention is described with reference to an embodiment shown in the drawing.

Ein schematisch dargestelltes Kraftfahrzeug 1 besitzt einen stationären Transponder 2, dem ein Codesignalvergleicher 3 nachgeschaltet ist. Der Codesignalvergleicher 3 ist ferner mit einem Codesignalspeicher 4 verbünden und steuert eine schematisch gezeigte Sicherungs-und Entsicherungsvorrichtung des Kraftfahrzeugs. Bei der zuletzt genannten Vorrichtung 5 kann es sich beispielsweise um einen Elektromagneten zum Betätigen eines Sperriegels in einem nicht gezeigten Türschloß einer Fahrzeugtür, beispielweiese der Fahrertür, oder um mehrere derartige Riegel in sämtlichen Türen und Klappen des Kraftfahrzeugs handeln, die untereinander über eine Zentralverriegelungseinrichtung verbunden sind.A schematically represented motor vehicle 1 has a stationary transponder 2, which is followed by a code signal comparator 3. The code signal comparator 3 is also connected to a code signal memory 4 and controls a schematically shown securing and unlocking device of the motor vehicle. The last-mentioned device 5 can be, for example, an electromagnet for actuating a locking bolt in a door lock (not shown) of a vehicle door, for example the driver's door, or several such bolts in all doors and flaps of the motor vehicle, which are connected to one another via a central locking device .

Dieser stationäre Transponder 2 besitzt eine Antenne 6, die beispielsweise in einem Außenspiegel 6' des Kraftfahrzeugs untergebracht ist. Dem Transponder 2 ist ferner ein Schalter 7 zugeordnet, der manuell mit Hilfe einer Handhabe 7' des Kraftfahrzeugs, beispielsweise eines Türgriffs betätigbar ist, wenn diese aus ihrer Ruhelage 0 in ihre Arbeitsstellung zum Öffnen des Kraftfahrzeugs gebracht wird. Der Transponder 2 arbeitet ferner mit einem tragbaren Transponder 8 zusammen, der beispielsweise im Gehäuse eines Zündschlüssels 10 von einem Fahrzeugbenutzer getragen wird. Der Transponder 8 besitzt ebenfalls eine nicht im einzelnen gezeigte Sende-und Empfangseinrichtung, beispielsweise ebenfalls in Form einer Antenne sowie einen aufladbaren Energiespeicher 9 zum Bereitstellen einer entsprechenden Sendeleistung.This stationary transponder 2 has an antenna 6, which is accommodated, for example, in an outside mirror 6 'of the motor vehicle. The transponder 2 is also assigned a switch 7, which is operated manually using a handle 7 'of the motor vehicle, For example, a door handle can be actuated when it is brought from its rest position 0 into its working position for opening the motor vehicle. The transponder 2 also works together with a portable transponder 8, which is carried by a vehicle user, for example in the housing of an ignition key 10. The transponder 8 also has a transmitting and receiving device (not shown in detail), for example also in the form of an antenna, and a rechargeable energy store 9 for providing a corresponding transmission power.

Zum Benutzen des Kraftfahrzeugs betätigt der Fahrzeugbenutzer die Handhabe 71-. Durch den dabei betätigten Schalter 7 wird der Transponder 2 aktiviert und sendet über die Antenne 6 ein Fragecodesignal aus. Dieses gelangt zum Transponder 8, der sich in umittelbarer Nähe des Kraftfahrzeugs befindet. Dieses auf HF-Basis erzeugte Fragecodesignal liefert gleichzeitig die Energie zum Transponder 9 oder ist von einem nicht codierten energiereichen Signal begleitet, das ebenfalls von der Antenne 6 abgestrahlt wird und den Energiespeicher 9 des Transponders 8 auflädt. Der Transponder 8 erzeugt ein für den jeweiligen Fahrzeugbenutzer individuelles Antwortcodesignal und sendet dieses an den Transponder 2 aus, der dieses ebenfalls mit der Antenne 6 aufnimmt und dem Codesignalvergleicher 3 zuführt. Dieser vergleicht das Antwortcodesignal mit einem im-Codesignalspeicher 4 enthaltenen, erwarteten Codesignal und liefert bei Übereinstimmen der beiden Codesignale ein Entsicherungssignal an die Sicherungseinrichtung 5.To use the motor vehicle, the vehicle user actuates the handle 7 1- . The switch 7 actuated activates the transponder 2 and transmits a question code signal via the antenna 6. This reaches the transponder 8, which is located in the immediate vicinity of the motor vehicle. This question code signal generated on the basis of HF simultaneously supplies the energy to the transponder 9 or is accompanied by an uncoded energy-rich signal which is also emitted by the antenna 6 and charges the energy store 9 of the transponder 8. The transponder 8 generates an individual response code signal for the respective vehicle user and sends it out to the transponder 2, which also receives this with the antenna 6 and feeds it to the code signal comparator 3. This compares the response code signal with an expected code signal contained in the code signal memory 4 and, if the two code signals match, delivers an unlocking signal to the security device 5.

Ein nicht autorisierter Fahrzeugbenutzer hingegegen kann das Fragecodesignal des Transponders 2 nicht empfangen oder nicht das "passende" Antwörtcodesignal erzeugen. Der Codesignalvergleicher 3 stellt ggf. die fehlende Übereinstimmung der beiden Codesignale fest und liefert kein Entsicherungungssignal an die Sicherungseinrichtung 5.An unauthorized vehicle user, on the other hand, cannot receive the question code signal from the transponder 2 or cannot generate the “suitable” answer code signal. The code signal comparator 3 may determine the mismatch between the two code signals and does not deliver an unlocking signal to the security device 5.

Ergänzend kann mit Hilfe der Handhabe 7' auch ein Sicherungssignal für das Kraftfahrzeug erzeugt werden. Dazu besitzt diese eine zweite Arbeitsstellung 11, die bei entgegengesetzter Bewegung der Handhabe 7' eingenommen wird. Dabei betätigt die Handhabe 7' einen weiteren Schalter 11, der die Vorrichtung 5 einschaltet. Diese sichert das KFZ, indem sie beispielweise einem Sperriegel in seine Sperrstellung führt.In addition, a safety signal for the motor vehicle can also be generated with the aid of the handle 7 '. For this purpose, it has a second working position 11, which is assumed when the handle 7 'is moved in the opposite direction. The handle 7 'actuates a further switch 11 which switches on the device 5. The vehicle secures this by, for example, guiding a locking bolt into its locking position.

Claims (5)

1. Sicherheitseinrichtung für Kraftfahrzeuge, mit einem am Kraftfahrzeug installierten stationären Transponder zum Erzeugen eines Fragecodesignals aufgrund eines Schaltsignals und mit einem tragbaren Transponder zum Empfang des Fragecodesignals und Aussenden eines Antwortcodesignals, und mit einem Codesignalvergleicher, der bei Übereinstimmen des Antwortcodesignals mit einem erwarteten Codesignal ein Entsicherungssignal an eine Entsicherungseinrichtung liefert, gekennzeichnet durch einen am Kraftfahrzeug (1) angeordneten, manuell betätigbaren Schalter (7) zum Auslösen des Schaltsignals, der mit einer zum Benutzen des Kraftfahrzeugs vorgesehenen Handhabe (7') verbunden ist.1. Safety device for motor vehicles, with a stationary transponder installed on the motor vehicle for generating a question code signal on the basis of a switching signal and with a portable transponder for receiving the question code signal and sending out a response code signal, and with a code signal comparator which, if the answer code signal matches an expected code signal, an unlocking signal delivers to an unlocking device, characterized by a manually operated switch (7) arranged on the motor vehicle (1) for triggering the switching signal, which is connected to a handle (7 ') provided for using the motor vehicle. 2. Sicherheitseinrichtung, nach Anspruch 1, dadurch gekennzeichnet, daß die Handhabe (7') ein Tür- oder Klappenbetätigungsteil ist.2. Safety device according to claim 1, characterized in that the handle (7 ') is a door or flap actuating part. 3. Sicherheitseinrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Handhabe (7') ein Türgriff des Kraftfahrzeugs ist.3. Safety device according to claim 2, characterized in that the handle (7 ') is a door handle of the motor vehicle. 4. Sicherheitseinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Handhabe durch Bewegen in entgegengesetzter Richtung mit Hilfe eines dabei betätigten Schalters (10) einen Sicherungsvorgang des Kraftfahrzeugs einleitet.4. Safety device according to one of claims 1 to 4, characterized in that the handle by moving in the opposite direction with the help of an actuated Switch (10) initiates a backup operation of the motor vehicle. 5. Sicherheitseinrichtung nach Anspruch 4, dadurch gekennzeichnet, daß das Erzeugen des Schaltsignals zum Sichern durch Aussenden bzw. Empfangen entsprechender Frage- und Antwortcodesignale mit Hilfe der beiden Transponder (2,8) erfolgt, die zumindest teilweise gegenüber die zum Entsichern des Kraftfahrzeugs verwendeten Codesignale geändert sind.5. Safety device according to claim 4, characterized in that the generation of the switching signal for securing by sending or receiving corresponding question and answer code signals with the aid of the two transponders (2,8), which is at least partially compared to the code signals used for unlocking the motor vehicle are changed.
EP86113982A 1985-10-11 1986-10-09 Safety device for motor vehicles Expired EP0218251B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853536377 DE3536377A1 (en) 1985-10-11 1985-10-11 SAFETY DEVICE FOR MOTOR VEHICLES
DE3536377 1985-10-11

Publications (2)

Publication Number Publication Date
EP0218251A1 true EP0218251A1 (en) 1987-04-15
EP0218251B1 EP0218251B1 (en) 1988-12-07

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EP86113982A Expired EP0218251B1 (en) 1985-10-11 1986-10-09 Safety device for motor vehicles

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US (1) US4738334A (en)
EP (1) EP0218251B1 (en)
DE (2) DE3536377A1 (en)

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EP0831194A1 (en) * 1996-09-20 1998-03-25 Valeo Securite Habitacle Actuating handle for opening a lock of a motor vehicle wing
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US6714119B1 (en) 1999-01-25 2004-03-30 Leopold Kostal Gmbh & Co. Kg Keyless access control device for motor vehicles and method for carrying out a keyless access authorization control in motor vehicles
FR2790780A1 (en) 1999-03-09 2000-09-15 Valeo Securite Habitacle Handle for motor vehicle door has grip outside vehicle body movable inwardly to actuate switch
EP1041221A1 (en) * 1999-03-09 2000-10-04 Valeo Sécurité Habitacle Handle for a motor vehicle wing which is pivotably mounted about two different axes
FR2802563A1 (en) 1999-12-21 2001-06-22 Valeo Securite Habitacle Handle for car's door has pivoting organ coupled with elastic recalling and indexing means, to control the movement of the handle between locking and unlocking position
FR2802562A1 (en) 1999-12-21 2001-06-22 Valeo Securite Habitacle Door handle for car has a maneuver plate with a lug cooperating with an indexing notch of the support when the plate is in a non-operating position
EP1111165A1 (en) * 1999-12-23 2001-06-27 Valeo Sécurité Habitacle Handle for a motor vehicle wing comprising improved means for operating a switching device
FR2802961A1 (en) 1999-12-23 2001-06-29 Valeo Securite Habitacle Handle for an automotive vehicle, has improved switch actuating arrangement
FR2802962A1 (en) 1999-12-23 2001-06-29 Valeo Securite Habitacle MOTOR VEHICLE OPENING HANDLE COMPRISING IMPROVED MEANS FOR ACTUATING SWITCHING DEVICES
WO2002033203A1 (en) * 2000-10-14 2002-04-25 Robert Bosch Gmbh Device for initiating an opening and closing process in a motor vehicle
US6847289B2 (en) 2000-10-14 2005-01-25 Robert Bosch Gmbh Device for initiating an opening and locking procedure of a motor vehicle
DE10159293A1 (en) * 2001-12-04 2003-06-18 Huf Huelsbeck & Fuerst Gmbh Device for actuating a locking system on a door, a flap or the like, in particular in a vehicle
EP1318255A2 (en) 2001-12-04 2003-06-11 Huf Hülsbeck & Fürst GmbH & Co. KG Actuation device for a locking device of a door or tail-gate etc. in particular for a vehicle
EP1318255A3 (en) * 2001-12-04 2008-01-23 Huf Hülsbeck & Fürst GmbH & Co. KG Actuation device for a locking device of a door or tail-gate etc. in particular for a vehicle
DE10215591B4 (en) 2002-02-20 2019-05-23 Huf Hülsbeck & Fürst Gmbh & Co. Kg Activating transducer

Also Published As

Publication number Publication date
US4738334A (en) 1988-04-19
EP0218251B1 (en) 1988-12-07
DE3661350D1 (en) 1989-01-12
DE3536377A1 (en) 1987-04-16

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