EP1217588B1 - Radio remote control device, in particular for motor vehicles - Google Patents

Radio remote control device, in particular for motor vehicles Download PDF

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Publication number
EP1217588B1
EP1217588B1 EP01130086A EP01130086A EP1217588B1 EP 1217588 B1 EP1217588 B1 EP 1217588B1 EP 01130086 A EP01130086 A EP 01130086A EP 01130086 A EP01130086 A EP 01130086A EP 1217588 B1 EP1217588 B1 EP 1217588B1
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EP
European Patent Office
Prior art keywords
transceiver
remote control
control system
commands
assigned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01130086A
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German (de)
French (fr)
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EP1217588A3 (en
EP1217588A2 (en
Inventor
Siegfried Klütz
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Delphi Technologies Inc
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Delphi Technologies Inc
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Publication date
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Publication of EP1217588A2 publication Critical patent/EP1217588A2/en
Publication of EP1217588A3 publication Critical patent/EP1217588A3/en
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Publication of EP1217588B1 publication Critical patent/EP1217588B1/en
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Classifications

    • 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
    • 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
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/00206—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier being hand operated
    • G07C2009/00222—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier being hand operated by more than one push button
    • 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
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/00261—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier having more than one function
    • 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
    • G07C2009/00507—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 keyless data carrier having more than one function
    • 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

Definitions

  • the invention relates to a radio remote control system, in particular for motor vehicles, having a first transceiver assigned to a portable operating device for communication with a second transceiver, in particular a motor vehicle, via a bidirectional radio link.
  • a disadvantage of the known systems is that all functions to be carried out after detection of the portable device are usually carried out within a certain, usually smaller range, device.
  • a method for operating a locking system for lockable articles which comprises a key module, a lock module, an evaluation unit and a control unit.
  • the signals emitted by the key module have a greater range than the signals transmitted by the lock module.
  • bidirectional data transmission always takes place between the key module and the lock module.
  • the lock module is initially only signaled by the key module that an open or close command is issued.
  • the lock module is first put into a wait state upon receipt of a corresponding signal from the key unit. Subsequently, a control signal is always sent by the lock module.
  • this control signal has a relatively short range, it can only be received by the key module if it is close enough to the lock module or lockable object. Upon receiving such a control signal, the key module sends a second signal. Only on the receipt of this second signal out the relevant closing or opening process is triggered.
  • the aim of the invention is to provide a radio remote control system of the type mentioned, which allows in a simple and correspondingly cost-effective manner, in particular a range-dependent execution of different functions.
  • a radio remote control system in particular for motor vehicles, with a first transceiver assigned to a portable operating device for communication with a second transceiver, in particular a motor vehicle, via a bidirectional radio link whose range is greater for command signals emitted by the first transceiver than for on the receipt of such command signals sent out by the second transceiver request back signals, wherein an associated control and / or evaluation is designed so that the commands received from the second transceiver are evaluated in this control and / or evaluation then whether they a first category of Commands, which may also be carried out at a greater range corresponding greater distance between the two transceivers, or a second category of commands are assigned, the only sic h within a smaller range operating device may be executed, received from the second transceiver command, which was assigned to the first command category, is executed directly via the control and / or evaluation, only from the second transceiver sent a request signal. when the respective received command has been assigned to a
  • different antennas can be connected to the second transceiver. In this case, different antennas can be provided for the greater range and a respective smaller range of the radio link.
  • the antennas are arranged at different positions.
  • the portable operating unit may in particular comprise a control and / or evaluation unit, a control panel, one or more antennas and / or the like.
  • the particular shape and / or size or range of the respective receiving and / or transmitting areas can be determined at least partially by the type of antennas and / or by parameters such as in particular the transmission power and / or the like.
  • the frequency of the signals emitted by the first transceiver is different from the frequency of the signals emitted by the second transceiver.
  • the remote control system according to the invention may be part of a keyless entry system.
  • the portable operator preferably includes means for user identification.
  • FIGS. 1 and 2 show in a purely schematic representation of a radio remote control system 10 for a motor vehicle 12th
  • This radio remote control system 10 comprises a first transceiver 16 associated with a portable operating device 14 and a second transceiver 18 installed in the motor vehicle 12.
  • the transceivers 16, 18 each contain a transmitter and a receiver. The communication between these two transceivers 16, 18 takes place via a bidirectional radio link 20.
  • the range R1 of this bidirectional radio link 20 for command signals 22 emitted by the first transceiver 16 is greater than the range R2 for return request signals 24 emitted by the second transceiver 18 upon receipt of such command signals 22.
  • the corresponding instruction sets may, for example, be stored in the first transceiver 16 and, for example, retrieved via a control panel 26 of this transceiver 16. It can in the control panel 26, for example, corresponding control buttons 28 or the like may be provided.
  • the commands 22 received by the second transceiver 18 are then evaluated in a control and / or evaluation unit 30 assigned to this second transceiver 18 in the vehicle 12, for example, if they include a first category A (eg locking the vehicle door) of commands 22 which also at a larger range R1 corresponding greater mutual distance a1 of the two transceivers 16, 18 may be performed, or for example, a second category B of commands 22 are assigned, which may be performed only in a smaller range R2 operating device 14.
  • the mutual distance between the two transceivers 16, 18 must therefore be correspondingly smaller in the second case.
  • a command 22 which can be assigned by the control or evaluation unit 30 to the first command category A, is now received by the second transceiver 18, this command 22 is executed directly via the control and / or evaluation unit 30.
  • the second transceiver 18 only sends out a return signal 24 when the respective received command 22 has been assigned by the control and / or evaluation unit 30 to a second command category B.
  • the first transceiver 16 sends an acknowledgment signal upon receipt of a query 24, upon receipt of which the second transceiver 18 executes the relevant command 22 associated with a second command category B. If the request signal 24 is not received by the first transceiver 16, this is outside of the applicable for commands 22 of the command category B smaller range R2. The command in question will not be executed in this case.
  • different antennas 32, 34 can be connected to the second transceiver 18 .
  • different antennas 32, 34 can be connected.
  • the motor vehicle such as e.g. Antennas 32 positioned on the side doors and on the trunk lid may be assigned to the area B2 defined by the smaller range R2 and the antenna 34 to the area B1 defined by the greater range R1.
  • different antennas 34, 32 may be provided.
  • a plurality of second command categories B associated with different smaller ranges R2 can also be provided.
  • the smaller ranges R2 of the radio link 20 can be selected correspondingly differently for the queries 24 sent by the second transceiver 18 upon receipt of corresponding commands 22, B, depending on which of these second command categories B the respectively received command is to be assigned to.
  • the portable operating device 14 may also be provided with a control and / or evaluation unit, one or more antennas and / or the like.
  • the respective shape and / or size or range R1, R2 of the respective receiving and / or transmitting areas B1, B2 can be at least partially be determined by the type of antennas 32, 34 and / or by parameters such as in particular the transmission power and / or the like.
  • the frequency f1 of the signals 22 emitted by the first transceiver 16 may be different from the frequency f2 of the signals 24 emitted by the second transceiver 18.
  • the radio remote control system 10 may be part of a keyless entry system, for example.
  • the portable operating device 14 may in particular also comprise the user identification serving means.

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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)
  • Selective Calling Equipment (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Motor vehicle keyless entry system has a first portable transceiver (14, 16) and a second onboard transceiver (18). The range of the mobile transceiver is greater than that of the onboard transceiver. Also the transceiver system is configured so that the commands that the mobile transceiver can issue to the second transceiver are divided into two sets (A, B). With one set only able to be carried out within a range that is closer to the vehicle than the other set. The analysis unit on the second onboard transceiver determines which category a command falls into and then executes it in a range dependent manner.

Description

Die Erfindung betrifft ein Funk-Fernbedienungssystem insbesondere für Kraftfahrzeuge, mit einem einer tragbaren Bedienungseinrichtung zugeordneten ersten Transceiver zur Kommunikation mit einem insbesondere einem Kraftfahrzeug zugeordneten zweiten Transceiver über eine bidirektionale Funkstrecke.The invention relates to a radio remote control system, in particular for motor vehicles, having a first transceiver assigned to a portable operating device for communication with a second transceiver, in particular a motor vehicle, via a bidirectional radio link.

Es sind bereits Chipkartensysteme für einen schlüssellosen Zugang (keyless entry) bekannt, bei denen mittels der den Schlüssel ersetzenden Chipkarte beispielsweise die Türen und der Kofferraum des betreffenden Kraftfahrzeugs geöffnet und dessen Motor gestartet werden können. Dabei werden zwischen einem im Kraftfahrzeug integrierten, einen Sender sowie einen Empfänger umfassenden Transceiver und der Chipkarte Sende- und Antwortsignale gewechselt. Bevor eine jeweilige Funktion ausgeführt werden kann, wird der von der Chipkarte übermittelte Identifikationscode geprüft.There are already smart card systems for a keyless entry known in which by means of the chip card replacing the key, for example, the doors and the trunk of the relevant motor vehicle can be opened and its engine can be started. In this case, between a built-in motor vehicle, a transmitter and a receiver comprehensive transceiver and the smart card transmission and response signals are changed. Before a respective function can be carried out, the identification code transmitted by the chip card is checked.

Bei einem aus der EP-A-0 965 710 bekannten Kraftfahrzeugbedienungssystem werden zur Schonung der Batterie von dem im Fahrzeug installierten Steuersystem zunächst Überwachungssignale geringer Energie ausgesandt, um einen weitreichenden Bereich auf die Präsenz einer die Benutzeridentifikation dienenden tragbaren Einrichtung hin zu überwachen. Erst dann, wenn auf diese Weise eine tragbare Einheit erfaßt wurde, wird auf eine die Batterie stärker belastende Überwachung einer Vielzahl unterschiedlich positionierter Nahbereiche umgeschaltet. Dabei geht die jeweilige Kommunikation sowohl für den weitreichenden Bereich als auch für die Nahbereiche jeweils von dem im Fahrzeug installierten Steuersystem aus.At one of the EP-A-0 965 710 In order to protect the battery from the control system installed in the vehicle, first of all low-power monitoring signals are emitted in order to protect a far-reaching area for the presence of a portable device serving the user identification. Only then, when a portable unit has been detected in this way, is switched to the battery more polluting monitoring a variety of differently positioned near areas. It goes the respective communication for both the long range and the near range from the in-vehicle control system, respectively.

Ein Nachteil der bekannten Systeme besteht darin, daß alle nach einer Erfassung der tragbaren Einrichtung auszuführenden Funktionen in der Regel bei sich innerhalb einer bestimmten, üblicherweise kleineren Reichweite befindender Einrichtung ausgeführt werden.A disadvantage of the known systems is that all functions to be carried out after detection of the portable device are usually carried out within a certain, usually smaller range, device.

In der EP-A-0 690 190 ist ein Verfahren zum Betreiben eines Schließsystems für verschließbare Gegenstände beschrieben, das ein Schlüsselmodul, ein Schlossmodul, eine Auswerteeinheit und eine Steuereinheit umfasst. Dabei besitzen die vom Schlüsselmodul ausgesandten Signale eine größere Reichweite als die vom Schlossmodul ausgesandten Signale. Vor einem jeweiligen Öffnen und Verschließen des betreffenden verschließbaren Gegenstandes erfolgt jedoch stets eine bidirektionale Datenübertragung zwischen dem Schlüsselmodul und dem Schlossmodul. So wird dem Schlossmodul durch das Schlüsselmodul zunächst nur signalisiert, dass ein Öffnungs- oder Schließbefehl erteilt wird. Demzufolge wird das Schlossmodul auf den Empfang eines entsprechenden Signals der Schlüsseleinheit hin zunächst nur in einen Wartezustand versetzt. Anschließend wird durch das Schlossmodul stets ein Kontrollsignal ausgesandt. Da dieses Kontrollsignal eine relativ geringe Reichweite besitzt, kann es von dem Schlüsselmodul nur empfangen werden, wenn sich dieses nahe genug am Schlossmodul bzw. verschließbaren Gegenstand befindet. Auf den Empfang eines solchen Kontrollsignals hin sendet das Schlüsselmodul ein zweites Signal. Erst auf den Empfang dieses zweiten Signals hin wird der betreffende Schließ- bzw. Öffnungsvorgang ausgelöst.In the EP-A-0 690 190 a method is described for operating a locking system for lockable articles, which comprises a key module, a lock module, an evaluation unit and a control unit. The signals emitted by the key module have a greater range than the signals transmitted by the lock module. However, prior to a respective opening and closing of the respective closable object, bidirectional data transmission always takes place between the key module and the lock module. Thus, the lock module is initially only signaled by the key module that an open or close command is issued. As a result, the lock module is first put into a wait state upon receipt of a corresponding signal from the key unit. Subsequently, a control signal is always sent by the lock module. Since this control signal has a relatively short range, it can only be received by the key module if it is close enough to the lock module or lockable object. Upon receiving such a control signal, the key module sends a second signal. Only on the receipt of this second signal out the relevant closing or opening process is triggered.

Ziel der Erfindung ist es, ein Funk-Fernbedienungssystem der eingangs genannten Art zu schaffen, das auf einfache und entsprechend kostengünstige Weise insbesondere auch eine reichweitenabhängige Ausführung unterschiedlicher Funktionen gestattet.The aim of the invention is to provide a radio remote control system of the type mentioned, which allows in a simple and correspondingly cost-effective manner, in particular a range-dependent execution of different functions.

Zur Lösung dieser Aufgabe wird erfindungsgemäß ein Funk-Fernbedienungssystem insbesondere für Kraftfahrzeuge vorgeschlagen, mit einem einer tragbaren Bedienungseinrichtung zugeordneten ersten Transceiver zur Kommunikation mit einem insbesondere einem Kraftfahrzeug zugeordneten zweiten Transceiver über eine bidirektionale Funkstrecke, deren Reichweite für vom ersten Transceiver ausgesandte Befehlssignale größer ist als für auf den Empfang solcher Befehlssignale hin vom zweiten Transceiver ausgesandte Rückfragesignale, wobei eine zugeordnete Steuer- und/oder Auswerteeinheit so ausgelegt ist, dass die vom zweiten Transceiver empfangenen Befehle in dieser Steuer- und/oder Auswerteeinheit daraufhin ausgewertet werden, ob sie einer ersten Kategorie von Befehlen, die auch noch bei einem der größeren Reichweite entsprechenden größeren gegenseitigen Abstand der beiden Transceiver ausgeführt werden dürfen, oder einer zweiten Kategorie von Befehlen zuzuordnen sind, die nur bei sich innerhalb einer kleineren Reichweite befindender Bedienungseinrichtung ausgeführt werden dürfen, ein vom zweiten Transceiver empfangener Befehl, der der ersten Befehlskategorie zugeordnet wurde, über die Steuer- und/oder Auswerteeinheit direkt ausgeführt wird, vom zweiten Transceiver jeweils nur dann ein Rückfragesignal ausgesandt . wird, wenn der jeweilige empfangene Befehl einer zweiten Befehlskategorie zugeordnet wurde, und der erste Transceiver auf den Empfang einer Rückfrage hin ein Bestätigungssignal aussendet, auf dessen Empfang durch den zweiten Transceiver hin der betreffende, einer zweiten Befehlskategorie zugeordnete Befehl ausgeführt wird.To achieve this object, a radio remote control system according to the invention is proposed, in particular for motor vehicles, with a first transceiver assigned to a portable operating device for communication with a second transceiver, in particular a motor vehicle, via a bidirectional radio link whose range is greater for command signals emitted by the first transceiver than for on the receipt of such command signals sent out by the second transceiver request back signals, wherein an associated control and / or evaluation is designed so that the commands received from the second transceiver are evaluated in this control and / or evaluation then whether they a first category of Commands, which may also be carried out at a greater range corresponding greater distance between the two transceivers, or a second category of commands are assigned, the only sic h within a smaller range operating device may be executed, received from the second transceiver command, which was assigned to the first command category, is executed directly via the control and / or evaluation, only from the second transceiver sent a request signal. when the respective received command has been assigned to a second command category, and the first transceiver transmits an acknowledgment signal upon receipt of a query, upon receipt of which by the second transceiver the relevant command associated with a second command category is executed.

Aufgrund dieser Ausbildung ist auf besonders einfache und entsprechend kostengünstige Weise eine reichweitenabhängige Ausführung unterschiedlicher Funktionen möglich. Von Vorteil ist auch, daß zur Realisierung des erfindungsgemäßen Funk-Fernbedienungssystems zur Erfüllung anderer Anforderungen vorgesehene Komponenten bereits existierender Systeme verwendet werden können. Es ergibt sich somit mit minimalem Aufwand sowie bei minimalem Platzbedarf ein insgesamt höheres Leistungsvermögen.Due to this design, a range-dependent execution of different functions is possible in a particularly simple and correspondingly cost-effective manner. It is also advantageous that components of already existing systems provided for realizing the radio remote control system according to the invention for fulfilling other requirements can be used. It thus results with minimal effort and with minimal space requirements an overall higher performance.

In bestimmten Fällen kann es von Vorteil sein, wenn mehrere, unterschiedlichen kleineren Reichweiten zugeordnete zweite Befehlskategorien vorgesehen sind und die Reichweiten der Funkstrecke für die vom zweiten Transceiver auf den Empfang entsprechender Befehle hin ausgesandten Rückfragen je nachdem, welcher dieser zweiten Befehlskategorien der jeweils empfangene Befehl zuzuordnen ist, entsprechend unterschiedlich gewählt sind.
An den zweiten Transceiver sind vorzugsweise verschiedene Antennen anschließbar. Dabei können für die größere Reichweite und eine jeweilige kleinere Reichweite der Funkstrecke unterschiedliche Antennen vorgesehen sein.In certain cases, it may be advantageous to provide a plurality of second command categories associated with different smaller ranges, and to allocate the ranges of the radio link for the queries sent by the second transceiver upon receipt of appropriate commands, depending on which of these second command categories each command received is, are chosen accordingly different.
Preferably, different antennas can be connected to the second transceiver. In this case, different antennas can be provided for the greater range and a respective smaller range of the radio link.

Bei einer zweckmäßigen praktischen Ausführungsform des erfindungsgemäßen Fernbedienungssystems sind mehrere für eine jeweilige kleinere Reichweite der Funkstrecke bestimmte Antennen vorgesehen.In an expedient practical embodiment of the remote control system according to the invention, several antennas are provided for a respective smaller range of the radio link.

Grundsätzlich können auch eine oder mehrere für eine jeweilige größere Reichweite der Funkstrecke bestimmte Antennen vorgesehen sein.In principle, it is also possible to provide one or more antennas intended for a respective greater range of the radio link.

Von Vorteil ist auch, wenn die Antennen an unterschiedlichen Positionen angeordnet sind.It is also advantageous if the antennas are arranged at different positions.

Die tragbare Bedienungseinheit kann insbesondere eine Steuer- und/oder Auswerteeinheit, ein Bedienfeld, eine oder mehrere Antennen und/oder dergleichen umfassen.The portable operating unit may in particular comprise a control and / or evaluation unit, a control panel, one or more antennas and / or the like.

Die jeweilige Form und/oder Größe bzw. Reichweite der betreffenden Empfangs- und/oder Sendebereiche können zumindest teilweise durch die Art der Antennen und/oder durch Parameter wie insbesondere die Sendeleistung und/oder dergleichen bestimmt sein.The particular shape and / or size or range of the respective receiving and / or transmitting areas can be determined at least partially by the type of antennas and / or by parameters such as in particular the transmission power and / or the like.

Bei einer bevorzugten Ausführungsform des erfindungsgemäßen Fernbedienungssystems ist die Frequenz der vom ersten Transceiver ausgesandten Signale von der Frequenz der vom zweiten Transceiver ausgesandten Signale verschieden.
Das erfindungsgemäße Fernbedienungssystem kann Teil eines schlüssellosen Zugangssystems sein.In a preferred embodiment of the remote control system according to the invention, the frequency of the signals emitted by the first transceiver is different from the frequency of the signals emitted by the second transceiver.
The remote control system according to the invention may be part of a keyless entry system.

Die tragbare Bedienungseinrichtung umfaßt vorzugsweise der Benutzeridentifikation dienende Mittel.The portable operator preferably includes means for user identification.

Die Erfindung wird im folgenden anhand eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnung näher erläutert; in dieser zeigen:

Figur 1
in rein schematischer Darstellung ein Funk-Fernbedienungssystem für ein Kraftfahrzeug und
Figur 2
weitere Details des Funk-Fernbedienungssystems.
The invention will be explained in more detail below with reference to an embodiment with reference to the drawing; in this show:
FIG. 1
in a purely schematic representation of a radio remote control system for a motor vehicle and
FIG. 2
further details of the radio remote control system.

Die Figuren 1 und 2 zeigen in rein schematischer Darstellung ein Funk-Fernbedienungssystem 10 für ein Kraftfahrzeug 12.The Figures 1 and 2 show in a purely schematic representation of a radio remote control system 10 for a motor vehicle 12th

Dieses Funk-Fernbedienungssystem 10 umfaßt einen einer tragbaren Bedienungseinrichtung 14 zugeordneten ersten Transceiver 16 sowie einen im Kraftfahrzeug 12 installierten zweiten Transceiver 18. Die Transceiver 16, 18 enthalten jeweils einen Sender und einen Empfänger. Die Kommunikation zwischen diesen beiden Transceivern 16, 18 erfolgt über eine bidirektionale Funkstrecke 20.This radio remote control system 10 comprises a first transceiver 16 associated with a portable operating device 14 and a second transceiver 18 installed in the motor vehicle 12. The transceivers 16, 18 each contain a transmitter and a receiver. The communication between these two transceivers 16, 18 takes place via a bidirectional radio link 20.

Dabei ist die Reichweite R1 dieser bidirektionalen Funkstrecke 20 für vom ersten Transceiver 16 ausgesandte Befehlssignale 22 größer als die Reichweite R2 für auf den Empfang solcher Befehlssignale 22 hin vom zweiten Transceiver 18 ausgesandte Rückfragesignale 24.
Es existiert ein Satz von Befehlen, die in zumindest zwei Befehls- bzw. Funktionskategorien A und B unterteilt werden können. Die Unterteilung erfolgt nach dem Kriterium, aus welcher Entfernung ein jeweiliger Befehl 22 (z.B. Ansteuern der elektrischen Fensterheber, Ansteuern der Zentralverriegelung, Ansteuern des Lenkradschlosses, usw.) ausgeführt werden darf. Die entsprechenden Befehlssätze können beispielsweise in dem ersten Transceiver 16 gespeichert sein und beispielsweise über ein Bedienfeld 26 dieses Transceivers 16 abgerufen werden. Dabei können in dem Bedienfeld 26 beispielsweise entsprechende Bedienknöpfe 28 oder dergleichen vorgesehen sein.In this case, the range R1 of this bidirectional radio link 20 for command signals 22 emitted by the first transceiver 16 is greater than the range R2 for return request signals 24 emitted by the second transceiver 18 upon receipt of such command signals 22.
There is a set of commands that can be divided into at least two command and function categories A and B. The subdivision is based on the criterion from which distance a respective command 22 (eg driving the power windows, driving the central locking, driving the steering wheel lock, etc.) may be performed. The corresponding instruction sets may, for example, be stored in the first transceiver 16 and, for example, retrieved via a control panel 26 of this transceiver 16. It can in the control panel 26, for example, corresponding control buttons 28 or the like may be provided.

Die vom zweiten Transceiver 18 empfangenen Befehle 22 werden in einer diesem zweiten Transceiver 18 zugeordneten, im Fahrzeug 12 installierten Steuer- und/oder Auswerteeinheit 30 daraufhin ausgewertet, ob sie beispielsweise einer ersten Kategorie A (z.B. Fahrzeugtür verriegeln) von Befehlen 22, die auch noch bei einem der größeren Reichweite R1 entsprechenden größeren gegenseitigen Abstand a1 der beiden Transceiver 16, 18 ausgeführt werden dürfen, oder beispielsweise einer zweiten Kategorie B von Befehlen 22 zuzuordnen sind, die nur bei sich innerhalb einer kleineren Reichweite R2 befindender Bedienungseinrichtung 14 ausgeführt werden dürfen. Der gegenseitige Abstand der beiden Transceiver 16, 18 muß im zweiten Fall also entsprechend kleiner sein.The commands 22 received by the second transceiver 18 are then evaluated in a control and / or evaluation unit 30 assigned to this second transceiver 18 in the vehicle 12, for example, if they include a first category A (eg locking the vehicle door) of commands 22 which also at a larger range R1 corresponding greater mutual distance a1 of the two transceivers 16, 18 may be performed, or for example, a second category B of commands 22 are assigned, which may be performed only in a smaller range R2 operating device 14. The mutual distance between the two transceivers 16, 18 must therefore be correspondingly smaller in the second case.

Wird nun vom zweiten Transceiver 18 ein Befehl 22 empfangen, der durch die Steuer- oder Auswerteeinheit 30 der ersten Befehlskategorie A zugeordnet werden kann, so wird dieser Befehl 22 über die Steuer- und/oder Auswerteeinheit 30 direkt ausgeführt. Vom zweiten Transceiver 18 wird jeweils nur dann ein Rückfragesignal 24 ausgesandt, wenn der jeweilige empfangene Befehl 22 von der Steuer- und/oder Auswerteeinheit 30 einer zweiten Befehlskategorie B zugeordnet wurde.If a command 22, which can be assigned by the control or evaluation unit 30 to the first command category A, is now received by the second transceiver 18, this command 22 is executed directly via the control and / or evaluation unit 30. The second transceiver 18 only sends out a return signal 24 when the respective received command 22 has been assigned by the control and / or evaluation unit 30 to a second command category B.

Der erste Transceiver 16 sendet auf den Empfang einer Rückfrage 24 hin ein Bestätigungssignal aus, auf dessen Empfang durch den zweiten Transceiver 18 hin der betreffende, einer zweiten Befehlskategorie B zugeordnete Befehl 22 ausgeführt wird. Falls das Rückfragesignal 24 vom ersten Transceiver 16 nicht empfangen wird, liegt dieser außerhalb der für Befehle 22 der Befehlskategorie B geltenden kleineren Reichweite R2. Der betreffende Befehl wird in diesem Fall nicht ausgeführt.The first transceiver 16 sends an acknowledgment signal upon receipt of a query 24, upon receipt of which the second transceiver 18 executes the relevant command 22 associated with a second command category B. If the request signal 24 is not received by the first transceiver 16, this is outside of the applicable for commands 22 of the command category B smaller range R2. The command in question will not be executed in this case.

An den zweiten Transceiver 18 sind vorzugsweise verschiedene Antennen 32, 34 anschließbar. So können z.B. die an verschiedenen Stellen des Kraftfahrzeugs wie z.B. an den seitlichen Türen sowie am Kofferraumdeckel positionierten Antennen 32 dem durch die kleinere Reichweite R2 definierten Bereich B2 und die Antenne 34 dem durch die größere Reichweite R1 definierten Bereich B1 zugeordnet sein. Für die größere Reichweite R1 und eine jeweilige kleinere Reichweite R2 der Funkstrecke 20 können somit unterschiedliche Antennen 34, 32 vorgesehen sein.To the second transceiver 18 preferably different antennas 32, 34 can be connected. Thus, e.g. in different places of the motor vehicle such as e.g. Antennas 32 positioned on the side doors and on the trunk lid may be assigned to the area B2 defined by the smaller range R2 and the antenna 34 to the area B1 defined by the greater range R1. For the larger range R1 and a respective smaller range R2 of the radio link 20 thus different antennas 34, 32 may be provided.

Während im vorliegenden Fall mehrere für die kleinere Reichweite R2 der Funkstrecke 20 bestimmte Antennen 32 und nur eine für die größere Reichweite R1 der Funkstrecke 20 bestimmte Antenne 34 vorgesehen ist, ist es insbesondere auch möglich, mehrere Antennen für eine jeweilige größere Reichweite R1 einzusetzen.While in the present case a plurality of antennas 32 intended for the smaller range R2 of the radio link 20 and only one antenna 34 intended for the greater range R1 of the radio link 20 is provided, it is also possible to use a plurality of antennas for a respective larger range R1.

Grundsätzlich können auch mehrere, unterschiedlichen kleineren Reichweiten R2 zugeordnete zweite Befehlskategorien B vorgesehen sein. In diesem Fall können die kleineren Reichweiten R2 der Funkstrecke 20 für die vom zweiten Transceiver 18 auf den Empfang entsprechender Befehle 22, B hin ausgesandten Rückfragen 24 je nachdem, welcher dieser zweiten Befehlskategorien B der jeweils empfangene Befehl zuzuordnen ist, entsprechend unterschiedlich gewählt sein.In principle, a plurality of second command categories B associated with different smaller ranges R2 can also be provided. In this case, the smaller ranges R2 of the radio link 20 can be selected correspondingly differently for the queries 24 sent by the second transceiver 18 upon receipt of corresponding commands 22, B, depending on which of these second command categories B the respectively received command is to be assigned to.

Auch die tragbare Bedienungseinrichtung 14 kann mit einer Steuerund/oder Auswerteeinheit, einer oder mehreren Antennen und/oder dergleichen versehen sein.The portable operating device 14 may also be provided with a control and / or evaluation unit, one or more antennas and / or the like.

Die jeweilige Form und/oder Größe bzw. Reichweite R1, R2 der betreffenden Empfangs- und/oder Sendebereiche B1, B2 kann zumindest teilweise durch die Art der Antennen 32, 34 und/oder durch Parameter wie insbesondere die Sendeleistung und/oder dergleichen bestimmt sein.The respective shape and / or size or range R1, R2 of the respective receiving and / or transmitting areas B1, B2 can be at least partially be determined by the type of antennas 32, 34 and / or by parameters such as in particular the transmission power and / or the like.

Wie anhand der Figur 1 zu erkennen ist, kann die Frequenz f1 der vom ersten Transceiver 16 ausgesandten Signale 22 von der Frequenz f2 der vom zweiten Transceiver 18 ausgesandten Signale 24 verschieden sein.As based on the FIG. 1 1, the frequency f1 of the signals 22 emitted by the first transceiver 16 may be different from the frequency f2 of the signals 24 emitted by the second transceiver 18.

Das Funk-Fernbedienungssytem 10 kann beispielsweise Teil eines schlüssellosen Zugangssystems sein. Dabei kann die tragbare Bedienungseinrichtung 14 insbesondere auch der Benutzeridentifikation dienende Mittel umfassen.The radio remote control system 10 may be part of a keyless entry system, for example. In this case, the portable operating device 14 may in particular also comprise the user identification serving means.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Funk-FernbedienungssystemWireless remote control system
1212
Kraftfahrzeugmotor vehicle
1414
tragbare Bedienungseinrichtungportable operating device
1616
erster Transceiverfirst transceiver
1818
zweiter Transceiversecond transceiver
2020
bidirektionale Funkstreckebidirectional radio link
2222
Befehlssignale, BefehleCommand signals, commands
2424
Rückfragesignale, RückfragenInquiry signals, queries
2626
BedienfeldControl panel
2828
Bedienknopfcontrol knob
3030
Steuer- und/oder AuswerteeinheitControl and / or evaluation unit
3232
Antennenantennas
3434
Antenneantenna
a1a1
Abstanddistance
f1f1
Frequenzfrequency
f2f2
Frequenzfrequency
B1B1
BereichArea
B2B2
BereichArea
R1R1
größere Reichweitegreater range
R2R2
kleinere Reichweitesmaller range

Claims (12)

  1. Radio remote control system (10) in particular for motor vehicles (12), having a first transceiver (16) assigned to a portable control device (14) for communication with a second transceiver (18) assigned in particular to a motor vehicle (12), via a bidirectional radio link (20) of which the range (R1) is greater for command signals (22) emitted by the first transceiver (16) than for enquiry signals (24) emitted by the second transceiver (18) upon reception of such command signals (22), an associated control and/or evaluating unit (30) being designed in such a way that the commands (22) received by the second transceiver (18) are evaluated in this control and/or evaluating unit (30) to see whether they are to be assigned to a first category (A) of commands (22) which may still be carried out with a greater distance (a1) between the two transceivers (16, 18) corresponding to the longer range (R1), or to a second category (B) of commands (22) which may be carried out only if the control device (14) is located within a shorter range (R2), a command (22) which has been received by the second transceiver (18) and assigned to the first category of commands (A) being carried out directly via the control and/or evaluating unit, an enquiry signal (24) being emitted by the second transceiver (18) in each case only when the respective received command (22) has been assigned to a second category of commands (B), and the first transceiver (14) upon reception of an enquiry (24) emitting an acknowledge signal upon reception of which by the second transceiver (18) the command (22) in question which is assigned to a second category of commands (B) is carried out.
  2. Remote control system according to claim 1, characterised in that several second categories of commands (B) assigned to different shorter ranges (R2) are provided, and the shorter ranges (R2) of the radio link (20) are, for the enquiries (24) emitted by the second transceiver (18) upon the reception of corresponding commands, depending on which of these second categories of commands (B) the command received at any given time is to be assigned to, selected differently accordingly.
  3. Remote control system according to any of the preceding claims, characterised in that different aerials (32, 34) can be connected to the second transceiver (18).
  4. Remote control system according to claim 3, characterised in that different aerials (34, 32) are provided for the longer range (R1) and a respective shorter range (R2) of the radio link (20).
  5. Remote control system according to claim 3 or 4, characterised in that several aerials (32) designed for a respective shorter range (R2) of the radio link (20) are provided.
  6. Remote control system according to any of the preceding claims, characterised in that one or more aerials (34) designed for a respective longer range (R1) of the radio link (20) are provided.
  7. Remote control system according to any of the preceding claims, characterised in that the aerials (32, 34) are arranged at different positions.
  8. Remote control system according to any of the preceding claims, characterised in that the portable control device (14) includes a control and/or evaluating unit, a control panel, one or more aerials and/or the like.
  9. Remote control system according to any of the preceding claims, characterised in that the respective shape and/or size or range (R1, R2) of the receiving and/or transmitting regions (B1, B2) concerned are at least partially determined by the type of aerials (32, 34) and/or by parameters such as in particular the transmitting power and/or the like.
  10. Remote control system according to any of the preceding claims, characterised in that the frequency (f1) of the signals (22) emitted by the first transceiver (16) differs from the frequency (f2) of the signals (24) emitted by the second transceiver (18).
  11. Remote control system according to any of the preceding claims, characterised in that it forms part of a keyless access system.
  12. Remote control system according to any of the preceding claims, characterised in that the portable control device (14) includes means used for user identification.
EP01130086A 2000-12-19 2001-12-18 Radio remote control device, in particular for motor vehicles Expired - Lifetime EP1217588B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10063252A DE10063252A1 (en) 2000-12-19 2000-12-19 Radio remote control system, in particular for motor vehicles
DE10063252 2000-12-19

Publications (3)

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EP1217588A2 EP1217588A2 (en) 2002-06-26
EP1217588A3 EP1217588A3 (en) 2007-03-21
EP1217588B1 true EP1217588B1 (en) 2008-09-17

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EP01130086A Expired - Lifetime EP1217588B1 (en) 2000-12-19 2001-12-18 Radio remote control device, in particular for motor vehicles

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AT (1) ATE408873T1 (en)
DE (2) DE10063252A1 (en)

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Also Published As

Publication number Publication date
DE10063252A1 (en) 2002-07-04
ATE408873T1 (en) 2008-10-15
EP1217588A3 (en) 2007-03-21
EP1217588A2 (en) 2002-06-26
DE50114332D1 (en) 2008-10-30

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