EP0629758A1 - Fernbedienungssystem mit mehreren funktionellen Reichweiten ausgewählt auf Grund verschiedener Detektionsschwellen - Google Patents

Fernbedienungssystem mit mehreren funktionellen Reichweiten ausgewählt auf Grund verschiedener Detektionsschwellen Download PDF

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Publication number
EP0629758A1
EP0629758A1 EP94109337A EP94109337A EP0629758A1 EP 0629758 A1 EP0629758 A1 EP 0629758A1 EP 94109337 A EP94109337 A EP 94109337A EP 94109337 A EP94109337 A EP 94109337A EP 0629758 A1 EP0629758 A1 EP 0629758A1
Authority
EP
European Patent Office
Prior art keywords
transmitter
vehicle
remote control
processor
control system
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
EP94109337A
Other languages
English (en)
French (fr)
Other versions
EP0629758B1 (de
Inventor
Alain Boschini
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.)
Valeo Electronique SA
Original Assignee
Valeo Electronique SA
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
Application filed by Valeo Electronique SA filed Critical Valeo Electronique SA
Publication of EP0629758A1 publication Critical patent/EP0629758A1/de
Application granted granted Critical
Publication of EP0629758B1 publication Critical patent/EP0629758B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G07C9/00182—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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • 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
    • 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

Definitions

  • the invention relates to a remote control system for actuating components in a motor vehicle.
  • the present invention relates to the field of remote control systems, in particular for controlling access to the motor vehicle.
  • Known remote control systems generally include, as shown diagrammatically in FIG. 1, a portable transmitter 10 carried by a user and a receiver module 20 on board a vehicle 30.
  • the transmitter 10 is designed to generate a coded wave 10a.
  • coded wave is meant a wave carrying control information.
  • This coded wave can be provided by radio, light, infrared or ultrasonic transmission in particular.
  • the receiver module 20 is designed to detect the coded wave generated by the transmitter and to decode it. When the code generated by the transmitter 10 corresponds to one or more predetermined codes, the receiver controls the locking and unlocking of the doors of the motor vehicle 30 or of the auxiliary components of the vehicle.
  • the remote control systems of a coded wave with radio transmission in particular are very flexible to use insofar as the user does not need to direct the transmitter towards the vehicle for the transmission to be established and on the other hand where the transmission can be established at a distance of several tens of meters from the vehicle.
  • the transmitter 10 has several keys which are associated with particular functions such as locking the doors, unlocking the doors, switching on the overhead light or vehicle lights, closing the windows, triggering an alarm.
  • Each function has its own key, the size of the case is important and the ergonomics the use of the box is degraded by the presence of too many keys.
  • the object of the present invention is therefore to improve these systems by eliminating this compromise and by reducing the number of keys on the remote control unit.
  • each of the system functions is assigned an authorized operating area around the vehicle.
  • the functions of type F1 can therefore only be controlled in the area B delimited by the transition distance D1.
  • the functions of type F2 can be controlled in zone A delimited by the transmission range of the system P and the transition distance D1.
  • the system, object of the present invention could also include other functional zones delimited by transition distances D2, D3, with which the functions of type F2, F3 would be associated.
  • transition distances D2, D3 delimited by transition distances D2, D3, with which the functions of type F2, F3 would be associated.
  • a single key on the remote control makes it possible to control several functions depending on the distance from which the transmitter of the vehicle is located. For example, pressing key n ° 1 controls the lighting of the ceiling light when the user is in zone A and controls the unlocking of the doors when the user is in zone B.
  • the invention relates to a remote control system for actuating organs in a motor vehicle and in particular the locking / unlocking of the doors, of the type comprising a portable transmitter capable of generating a coded electromagnetic wave and a receiver module placed in a motor vehicle and designed to receive and decode the coded electromagnetic wave generated by the portable transmitter comprising a processor, a radio transmitter, a set of function keys and a battery supply assembly, the receiver module comprising a reception antenna , a radio receiver, a circuit for shaping the demodulated signals, a data processing processor and a circuit for controlling the electromechanical components of the vehicle.
  • the processor comprises means for controlling the detection threshold of the circuit for shaping the demodulated signals, so as to define several areas of functional range around the vehicle.
  • the level of the HF signal received on the antenna of the receiver is a function of the distance between the transmitter and the receiver and that the variation of this level as a function of the distance follows a decreasing law as indicated in FIG. 3, it is possible, for a given transmitter and vehicle, to determine approximately how far the transmitter is from the vehicle by detecting the HF level of the received signal.
  • a high detection threshold corresponding to the transition distance D1 (abscissa in FIG. 3 and corresponding circle, FIG. 2) and a low detection threshold corresponding to the limit are thus defined on the level of the received wave (HF here).
  • transmission range P (abscissa in FIG. 3 and corresponding circle in FIG. 2). It is clear that one can choose several intermediate levels D2, D3, .... between D1 and P which are determined in advance and are represented by values recorded in advance in a memory of the receiver module 30.
  • the transmitter comprises a processor 100, a radio transmitter 101, a set of function keys 102 and a battery supply assembly 103.
  • the receiver module comprises a radio receiver 201 equipped with an HF antenna 200, a circuit for shaping the demodulated signals 202, a data processing processor 203 and a circuit for controlling the electromechanical members of the vehicle 204.
  • the radio receiver 201 is responsible for amplifying and demodulating the coded radio wave received on the receiving antenna 200.
  • This radio receiver 201 supplies the shaping circuit 202 with an analog signal representative of the coded message sent by the transmitter. 10.
  • the shaping circuit 202 supplies the processor 203 with one or more logical data signals adapted to the technique of acquiring and decoding the data of the coded message implemented in the application.
  • the processor 203 comprises means for switching a detection threshold of the shaping circuit 202, of the demodulated signals. By this means, the processor 203 controls by a control signal the detection threshold of the shaping circuit 202 so as to detect the HF level of the received signal. This control signal acts as follows:
  • the detection threshold is adjusted to its low level (see FIG. 7).
  • All the electromagnetic signals received on the reception antenna 200 which produce, at the output of the HF receiver 201, demodulated signals whose levels are above this low detection threshold are formed by the circuit 202 and recorded or exploited by the processor 204.
  • the low level of detection threshold thus determines the transmission range P of the system.
  • the detection threshold When the control signal is at logic level 1, the detection threshold is adjusted to its high level (see FIG. 7). All the electromagnetic signals received on the reception antenna 200 which produce, at the output of the HF receiver 201, demodulated signals whose levels are below the high detection threshold are not shaped by the circuit 202 and are therefore not recorded or used by processor 203. The high level of the detection threshold thus determines the transition distance D1 of the system.
  • the processor 203 controls the detection threshold at the low level in order to be able to receive all the coded waves emitted from zones A and B.
  • the processor 100 At each activation of a key or a combination of keys 102 of the transmitter, the processor 100 generates a coded wave composed as shown in FIG. 5 of a part of coded data A and of a part of data coded B.
  • the coded data part A contains the identification data of the transmitter and the part B contains only elementary data intended to verify that the receiver module is capable of receiving them.
  • the second part of the message is intended to allow the detection of the level of the signals received by the receiver module 20.
  • the HF 201 receiver When the transmitter transmits a coded wave, the HF 201 receiver provides demodulated signals whose level is above the low detection threshold of the activation circuit. form 202 but below the high detection threshold.
  • the means for switching the detection threshold of the shaping circuit 203 chooses the detection threshold level corresponding to the functional range area associated with the received command such that '' she is represented in the first part of the message.
  • Several threshold levels can be saved or otherwise predetermined.
  • the processor 203 On reception of the coded wave, as indicated in FIG. 8, the processor 203 connects the execution of several operations in order to determine on the one hand the validity of the coded data received and on the other hand to determine the function to be controlled .
  • the receiver HF 201 provides demodulated signals whose level is higher than the high and low detection thresholds of the shaping circuit 202.
  • the format of the data message can be different from that indicated in FIG. 4.
  • the principle claimed in this invention can for example be applied to a message format as indicated in FIG. 5 for which the messages A are repeated one or several times.
  • Part B of the message can also be reduced to unencrypted data.

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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)
EP94109337A 1993-06-21 1994-06-17 Fernbedienungssystem mit mehreren funktionellen Reichweiten ausgewählt auf Grund verschiedener Detektionsschwellen Expired - Lifetime EP0629758B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9307481 1993-06-21
FR9307481A FR2706934B1 (de) 1993-06-21 1993-06-21

Publications (2)

Publication Number Publication Date
EP0629758A1 true EP0629758A1 (de) 1994-12-21
EP0629758B1 EP0629758B1 (de) 2003-01-08

Family

ID=9448359

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94109337A Expired - Lifetime EP0629758B1 (de) 1993-06-21 1994-06-17 Fernbedienungssystem mit mehreren funktionellen Reichweiten ausgewählt auf Grund verschiedener Detektionsschwellen

Country Status (6)

Country Link
US (1) US5600323A (de)
EP (1) EP0629758B1 (de)
JP (1) JPH0759165A (de)
DE (1) DE69431975T2 (de)
ES (1) ES2190433T3 (de)
FR (1) FR2706934B1 (de)

Cited By (10)

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EP0833026A1 (de) * 1996-09-27 1998-04-01 Valeo Electronique Funkfernbedienungen mit zwei Reichweiten für ein Kraftfahrzeug
DE19736302A1 (de) * 1996-09-27 1998-04-02 Valeo Electronique Hochfrequenz-Fernbedienung mit Doppelreichweite für Kraftfahrzeuge
FR2755990A1 (fr) * 1996-11-15 1998-05-22 Renault Procede et dispositif de controle de l'acces a un vehicule
EP0930409A1 (de) * 1998-01-20 1999-07-21 Mannesmann VDO Aktiengesellschaft Empfangseinrichtung eines Fernbedienungssystems und Verfahren zum Betreiben eines Fernbedienungssystems
FR2783956A1 (fr) * 1998-09-28 2000-03-31 Siemens Automotive Sa Procede de localisation d'un vehicule automobile
EP1039075A2 (de) 1999-03-19 2000-09-27 DaimlerChrysler AG Elektronische Schliessanlage, insbesondere Fahrzeugschliessanlage
EP1209641A2 (de) * 2000-11-25 2002-05-29 Integrated Electronic Systems !SYS Consulting GmbH Verfahren zum Betrieb einer Funkfernsteuerungsanlage
CN103400433A (zh) * 2013-08-05 2013-11-20 苏州鼎富软件科技有限公司 远程汽车开锁方法
DE102014200137A1 (de) * 2014-01-08 2015-07-09 Bayerische Motoren Werke Aktiengesellschaft Beschränkung der Einsatzbereitschaft eines Kraftfahrzeugs
FR3078042A1 (fr) * 2018-02-21 2019-08-23 Psa Automobiles Sa Vehicule comportant un systeme de gestion d’acces et procede d’autorisation d’acces a un vehicule

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US6512462B1 (en) 1996-09-27 2003-01-28 Valeo Electronique Dual function radio frequency remote control system for a motor vehicle
DE19736302A1 (de) * 1996-09-27 1998-04-02 Valeo Electronique Hochfrequenz-Fernbedienung mit Doppelreichweite für Kraftfahrzeuge
FR2754090A1 (fr) * 1996-09-27 1998-04-03 Valeo Electronique Perfectionnements aux telecommandes rf a double portee pour vehicule automobile
FR2754091A1 (fr) * 1996-09-27 1998-04-03 Valeo Electronique Telecommande rf double portee pour vehicule automobile
EP0833026A1 (de) * 1996-09-27 1998-04-01 Valeo Electronique Funkfernbedienungen mit zwei Reichweiten für ein Kraftfahrzeug
FR2755990A1 (fr) * 1996-11-15 1998-05-22 Renault Procede et dispositif de controle de l'acces a un vehicule
EP0930409A1 (de) * 1998-01-20 1999-07-21 Mannesmann VDO Aktiengesellschaft Empfangseinrichtung eines Fernbedienungssystems und Verfahren zum Betreiben eines Fernbedienungssystems
FR2783956A1 (fr) * 1998-09-28 2000-03-31 Siemens Automotive Sa Procede de localisation d'un vehicule automobile
WO2000019047A1 (fr) * 1998-09-28 2000-04-06 Siemens Automotive S.A. Procede de localisation d'un vehicule automobile
EP1039075A2 (de) 1999-03-19 2000-09-27 DaimlerChrysler AG Elektronische Schliessanlage, insbesondere Fahrzeugschliessanlage
DE19912319C1 (de) * 1999-03-19 2000-10-12 Daimler Chrysler Ag Elektronische Schließanlage, insbesondere Fahrzeugschließanlage
US6700475B1 (en) 1999-03-19 2004-03-02 Daimlerchrysler Electronic closure system, in particular a vehicle closure system
EP1209641A2 (de) * 2000-11-25 2002-05-29 Integrated Electronic Systems !SYS Consulting GmbH Verfahren zum Betrieb einer Funkfernsteuerungsanlage
EP1209641A3 (de) * 2000-11-25 2006-12-20 Integrated Electronic Systems !SYS Consulting GmbH Verfahren zum Betrieb einer Funkfernsteuerungsanlage
CN103400433A (zh) * 2013-08-05 2013-11-20 苏州鼎富软件科技有限公司 远程汽车开锁方法
DE102014200137A1 (de) * 2014-01-08 2015-07-09 Bayerische Motoren Werke Aktiengesellschaft Beschränkung der Einsatzbereitschaft eines Kraftfahrzeugs
FR3078042A1 (fr) * 2018-02-21 2019-08-23 Psa Automobiles Sa Vehicule comportant un systeme de gestion d’acces et procede d’autorisation d’acces a un vehicule
WO2019162585A1 (fr) * 2018-02-21 2019-08-29 Psa Automobiles Sa Véhicule comportant un système de gestion d'accès et procédé d'autorisation d'accès à un véhicule
US11208073B2 (en) 2018-02-21 2021-12-28 Psa Automobiles Sa Vehicle having an access management system and method for authorizing access to a vehicle

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DE69431975T2 (de) 2003-08-28
EP0629758B1 (de) 2003-01-08
JPH0759165A (ja) 1995-03-03
FR2706934A1 (de) 1994-12-30
US5600323A (en) 1997-02-04
ES2190433T3 (es) 2003-08-01
FR2706934B1 (de) 1995-10-13
DE69431975D1 (de) 2003-02-13

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