EP0596805A1 - Fernbetätigungssystem zum Sperren und Entsperren von Türen und Öffnungsteilen eines Kraftfahrzeugs - Google Patents

Fernbetätigungssystem zum Sperren und Entsperren von Türen und Öffnungsteilen eines Kraftfahrzeugs Download PDF

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Publication number
EP0596805A1
EP0596805A1 EP93402710A EP93402710A EP0596805A1 EP 0596805 A1 EP0596805 A1 EP 0596805A1 EP 93402710 A EP93402710 A EP 93402710A EP 93402710 A EP93402710 A EP 93402710A EP 0596805 A1 EP0596805 A1 EP 0596805A1
Authority
EP
European Patent Office
Prior art keywords
signal
passenger compartment
portable device
signals
locking
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
EP93402710A
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English (en)
French (fr)
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EP0596805B1 (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
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Valeo Electronique SA
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Filing date
Publication date
Application filed by Valeo Electronique SA filed Critical Valeo Electronique SA
Publication of EP0596805A1 publication Critical patent/EP0596805A1/de
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Publication of EP0596805B1 publication Critical patent/EP0596805B1/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
    • G07C9/00309—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
    • 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 present invention relates to a system for remotely controlling the locking and unlocking of the doors and openings of a passenger compartment, in particular of a motor vehicle.
  • the purpose of such a system is to ensure locking or unlocking without the use of a mechanical key, or of any device requiring manual intervention on the part of the user.
  • the authorized drivers each have a portable device, for example in the form of a badge, ensuring communication with an on-board assembly when the wearer of the device approaches the vehicle.
  • the invention relates more precisely to such a system integrating a function for recognizing the forgetting of a device on board inside the passenger compartment. This situation occurs when the driver leaves the garment, in the pocket of which he has stored the portable device, but also when a second authorized driver has taken his place in the passenger compartment, and remains in the vehicle, or leaves his clothing in the passenger compartment after the driver's exit. It is essential that the locking and unlocking system manages its situations to prevent the driver from inadvertently locking, the device remaining locked inside the vehicle, or even inadvertent unlocking, the vehicle then offering no security against the flight.
  • the European patent EP140137 describes a system comprising an on-board transceiver assembly and a portable transceiver assembly. This document describes a solution for recognizing the situation in which the badge has been forgotten in the vehicle, consisting in measuring for a determined period the level of the signal received by the on-board receiver, and transmitted by the portable device. When the signal variations within a given period of time are less than a predetermined value, the on-board system produces an alarm signal.
  • EP426114 A second solution is known from the prior art, described in European patent application EP426114, which also consists in determining the position of a portable card-shaped device using a detector integrated into the on-board system. The position is determined not by measuring the level variation, but by using several antennas installed at different points on the vehicle, and making it possible to determine the origin of the emission, and therefore the position of the card relative to the interior of the vehicle.
  • This solution also involves the almost continuous transmission of a signal from the portable transmitter, and therefore has substantially the same drawbacks as the first solution.
  • the object of the present invention is to provide a system for detecting that the on-board device has been forgotten without resorting to prolonged transmission from the portable device, in order to reduce consumption and avoid disturbances due to variations in voltage. feed. Furthermore, a system according to the invention is compatible with a supply of the portable device by induction.
  • the portable device therefore emits, after the vehicle has stopped, a signal only for a very short time, and this essentially in the case where the portable device has been forgotten inside the passenger compartment, which constitutes a priori an exceptional situation.
  • the system according to the invention comprises a plurality of individualized portable devices, each of said portable devices emitting a signal of the second type S Pi comprising an identification sequence of the on-board device considered, in the event of detection of forgotten inside the cabin.
  • This embodiment makes it possible to identify a particular device, in the case where several conductors are each provided with a personalized device, and to temporarily deactivate the forgotten portable device, while authorizing the use of the other devices.
  • the on-board assembly emits a first signal S E1 before the doors are locked, as well as a second signal S Ever after the doors are locked.
  • the portable device comprises a memory circuit for recording the level M1 of the first signal S E1 and the level M2 of the second signal S Ever detected by the receiver, and a computer for generating a signal for activating the signal transmission sequence S Forgotten of the second type corresponding to the detection of a forgotten portable device, in the case where the difference between the two memorized levels M2, M2 is less than a predetermined value ⁇ M.
  • the on-board assembly also transmits a third signal S Etemp after a predetermined delay after the transmission of the second signal S Ever , the portable device memorizing the level M3 of said third signal S Etemp detected.
  • the computer of the portable device also controls the emission of a signal S Pixie of the second type corresponding to the detection of a forgotten device in the case where the difference between the level M2 of the second and the level M3 of the third stored signals is less at a predetermined value ⁇ M '.
  • the on-board assembly comprises means for transmitting signals, selectively by an internal antenna, placed inside the passenger compartment and whose radiation lobes are mainly confined inside the passenger compartment, by an external antenna arranged near the driver's door and whose emission lobes are mainly confined to the outside of the vehicle, and by a second external antenna (61) disposed near the door opposite to that of the driver and whose emission lobes are mainly confined outside the vehicle, the portable device emitting an S Pvid signal corresponding to the detection of the forgotten device in the event that the receiver does not detect S Eextd signals after reception of an S Ever signal of the first type corresponding to the information "Doors locked".
  • the on-board assembly also transmits signals of the first type S E1 at the time of actuation of the door handle, and in that the portable device emits a signal S Pzzi of the second type corresponding to the forgetting of the portable device when the signal S E detected at the time of reception of said actuation signal from the handle corresponds to the signal S Eint emitted by the indoor antenna.
  • the on-board assembly comprises means for transmitting signals S E1ext and S E1int at the time of closing the driver's door, the signal S E1int transmitted by the interior antenna comprising a specific coding, transmission means by the internal antenna of a second series of signals corresponding to the locking of the passenger compartment, means for transmitting, after a predetermined delay, by the external antenna provided on the driver's side of a third series of signals, and means for subsequently emitting, by the external antenna provided on the side opposite that of the driver, a fourth series of signals, and in that the portable device comprises means for generating a signal S Pvid in response to the reception of the coded signals S E1int , as well as an identification signal in response to the reception of an unencrypted signal S E.
  • the on-board assembly comprises means for interrupting the verification process when the on-board receiver receives an identification signal S P , in response to the emission of the signal emitted at the time of closing the door.
  • Figure 1 shows the block diagram of a non-limiting exemplary embodiment of the invention.
  • the system mainly comprises two sub-assemblies, a portable device (1) in the form of a badge and an on-board system (2) installed in the vehicle.
  • the badge (1) a term which will be used in the following description to designate the portable device, comprises a power source (3), for example a lithium battery. It also includes an omnidirectional antenna (4), for transmitting and receiving radio frequency signals.
  • a reception circuit (5) of known type is connected to a microprocessor circuit (6) capable of sampling the level of the signal detected by the receiver, and of recognizing the different types of signals received.
  • the microprocessor circuit (6) is connected to a random access memory (7) capable of storing digital information relating to the level of the signal received by the receiver (5).
  • the microprocessor circuit (6) also controls the transmitter (8).
  • the on-board assembly (2) also includes one or more antennas (11), housed in the passenger compartment or outside the vehicle.
  • a transmitter (12) generates a coded signal S E for the transmission of information relating to the state of the vehicle.
  • This information comes from a computer (13) receiving signals from different contacts detecting the open or closed state of the vehicle doors, the position of the locking means, the actions on the door handles, and in general any information. useful relating to the state of various parts of the vehicle.
  • This information is preferably transmitted via a serial communication BUS.
  • the on-board assembly also comprises a receiver (14) delivering signals to a computer (15) controlling the locking members, the starting control member, the audible or visual alert systems, and possibly the motorized adjustments of different parts of the vehicle requiring special adaptation to each driver referenced, for example the settings of the mirrors, the driver's seat or the height of the steering wheel.
  • FIG. 2 represents the timing diagram of the exchanges of signals between the badge (1) and the on-board assembly (2) in a so-called normal situation, in which the driver leaves his vehicle without forgetting his badge, and without a passenger n forget a badge inside the vehicle.
  • the detection of the badge forgotten in the vehicle after locking the doors is based on the measurement of the level of the signal S E received by the receiver at different times, before and after locking. These moments are chosen at times when the driver, normally wearing the badge, is a priori at different distances from the transmitting antenna. all on board.
  • the level of the signal S E measured on several consecutive messages by the computer (6) connected to the receiver (5) of the badge remains substantially constant, the badge can be considered to have remained in the passenger compartment, and it is necessary to alert in this case the driver.
  • the level measured is different, it is considered that the badge has changed position and has moved away from the passenger compartment with the driver.
  • the locking process can then continue normally.
  • the signal S E is transmitted by an indoor antenna.
  • each badge includes in a random access memory or in a read-only memory a unique specific code suitable for identifying the badge, and consequently the person to whom the badge is allocated.
  • the computer Upon reception of the signal (31) by the receiver (14) of the on-board assembly (2), the computer (15) controls the locking of the starting control member.
  • the signal (21) from a micro-sensor changes state and triggers the transmission of a coded message (33) on the interconnection BUS.
  • the computer (15) in return commands the transmission of an identification request signal (34).
  • the badge (1) Upon receipt of this signal, the badge (1) emits an identification signal (35).
  • This identification signal (35) causes the transmission on the BUS of a coded message (36) controlling the locking (37) of the doors.
  • the sensors detecting the lock trigger on the BUS a coded message activating the emission of a signal S E (38).
  • This signal is detected by the badge receiver (5) (1) and its level is digitized. This level is stored in the memory (7) in the form of information M2.
  • the two levels M1 and M2 are then compared.
  • the levels M1 and M2 are different, and the computer (6) of the badge (1) does not command emission S p .
  • the on-board transmitter After a predetermined delay of approximately one second following the reception of the coded message (39) corresponding to the release of the door handle, the on-board transmitter emits a signal giving rise to the detection by the badge (1) of a level M3.
  • the level M3 is different from M2, and consequently the transmitter (8) of the badge (1) remains inactive.
  • FIG. 3 represents the situation in which a badge has been forgotten inside the vehicle.
  • the difference between the levels M2 and M1 is in this case less than a predetermined threshold value, and consequently, the computer (6) of the badge (1) controls the emission of a signal S P.zzi (50).
  • This signal is detected by the receiver (14) of the on-board assembly (2), and the computer transmits on the BUS a coded message (51) causing the unlocking (52) and the activation of an audible alert signal. (53).
  • the on-board computer deactivates the codes identifying the badges forgotten until the next unlocking operation.
  • FIG. 4 represents a schematic view of a vehicle equipped with a system according to the second variant.
  • This variant has the advantage of allowing the instantaneous prohibition of the locking of doors when the badge is forgotten inside the passenger compartment (zones 73 and 73 '), whereas with detection by level variation measurement, the relatively long measurement time (of the order of a few seconds) imply a locking and unlocking sequence for the doors in the event of a badge being forgotten in the passenger compartment being detected.
  • the emission lobes of the interior antenna (60), the exterior antenna (61) placed on the driver's side, and the exterior antenna (62) placed on the opposite side are shown diagrammatically by hatched surfaces.
  • the external antennas (61, 62) are for example arranged in the exterior mirrors.
  • the signals received by the badge come only from the indoor antenna (60). In this case, an alert signal should be triggered, and the locking of the doors should be prevented if the doors are not yet locked, or, if the doors are already locked, the door will be unlocked.
  • the areas (73) and (73 ′) correspond to interior areas of the vehicle in which the badge receives signals from both the interior antenna (60) and one of the exterior antennas, respectively (61), (62).
  • an alert signal should be triggered, and the locking of the doors should be prevented if the doors are not yet locked, or, if the doors are already locked, the door will be unlocked.
  • the areas (74) and (74 ′) correspond to areas outside the vehicle in which the badge receives signals from both the interior antenna (60) and one of the exterior antennas, respectively (61), (62). When the badge is in this area, the doors must be locked after the badge has been identified.
  • FIG. 5 represents the flow chart of the procedure for detecting a forgotten badge according to this second variant, using antennas as shown in FIG. 4.
  • the badge includes a receiver and a computer triggering the emission of an identification signal comprising a code specific to the badge considered in response to a signal from the on-board transmitter, or the emission of a signal corresponding to the situation forgetting the badge if the signal from the on-board transmitter has a specific coding sequence, whatever the antenna excited by the on-board transmitter.
  • the badge If the badge detects specific code sequences transmitted by the internal antenna (60), it responds that it is forgotten by a signal S forgetfulness.
  • the on-board transmitter transmits, via the internal antenna, an S Eint signal comprising a specific sequence as well as a coded S Eext signal via the external antennas (61, 62).
  • the badge is in the interior area (73)
  • its receiver receives the S Eint signal including the sequence specific identifying the indoor antenna (60) as well as the signal S ext of the outdoor antenna (61)
  • the badge computer calculates in return the transmission of a signal comprising coded information corresponding to the forgetting of the badge inside the vehicle.
  • the on-board computer prevents the doors from locking and activates an audible or visual alert signal.
  • the computer controls the transmission of a signal comprising a badge identification sequence, and in response, the on-board computer controls the locking of the doors, then orders the emission of a new signal S Eint by the interior antenna (60), without specific code. If the badge responds with an identification signal, it is considered to have remained inside the vehicle and the on-board computer causes the doors to be unlocked, and an audible or visual alert to be triggered.
  • the on-board computer commands the emission of an S Eextg signal without specific sequence, approximately 10 seconds after locking the doors, via the external antenna on the driver's side (62) only. If the badge responds with an identification signal, the on-board computer triggers the audible or visual alert. If the driver does not unlock the doors, the on-board computer deactivates the badge.
  • the on-board computer controls the emission of another signal S Eextd without specific sequence, by means of the exterior antenna (61) on the passenger side only.
  • the on-board computer triggers the audible or visual alert. The detection procedure is finished.
  • the zones (74, 74 ') are zones where the badge is rarely found. If it is there, this would simply lead to false detection without affecting the safety of the vehicle.
  • the skilled person will be able to make various variants without departing from the scope of the invention.
  • the nature of the signals is not limited to radio signals.

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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)
EP93402710A 1992-11-06 1993-11-04 Fernbetätigungssystem zum Sperren und Entsperren von Türen und Öffnungsteilen eines Kraftfahrzeugs Expired - Lifetime EP0596805B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9213421A FR2697864B1 (fr) 1992-11-06 1992-11-06 Système pour commander à distance le verrouillage et le déverrouillage des portes et des ouvrants d'un habitacle, notamment d'un véhicule automobile.
FR9213421 1992-11-06

Publications (2)

Publication Number Publication Date
EP0596805A1 true EP0596805A1 (de) 1994-05-11
EP0596805B1 EP0596805B1 (de) 1998-02-04

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EP93402710A Expired - Lifetime EP0596805B1 (de) 1992-11-06 1993-11-04 Fernbetätigungssystem zum Sperren und Entsperren von Türen und Öffnungsteilen eines Kraftfahrzeugs

Country Status (6)

Country Link
US (1) US5499022A (de)
EP (1) EP0596805B1 (de)
JP (1) JP3407955B2 (de)
DE (1) DE69316830T2 (de)
ES (1) ES2113508T3 (de)
FR (1) FR2697864B1 (de)

Cited By (8)

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EP1041226A1 (de) * 1999-04-02 2000-10-04 Valeo Securite Habitacle Vorrichtung zum Sichern eines mit einem Identifizierungsmittel und einem Identifizierer ausgerüsteten Zugangssystems für Kraftfahrzeuge
EP1050641A1 (de) * 1999-05-07 2000-11-08 Valeo Securité Habitacle Verriegelungsverfahren für ein Kraftfahrzeug und Vorrichtung zur Durchführung des Verfahrens
US6765471B1 (en) 1999-04-02 2004-07-20 Valeo Securite Habitacle Device for improving the security of an access system equipped with an identification means and an identifier, for a motor vehicle
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US8284020B2 (en) * 2009-12-22 2012-10-09 Lear Corporation Passive entry system and method for a vehicle
JP5604314B2 (ja) * 2011-01-13 2014-10-08 オムロンオートモーティブエレクトロニクス株式会社 電波送受体の検出装置、検出システム及び検出方法
ITBO20120712A1 (it) * 2012-12-28 2014-06-29 Trw Automotive Italia S R L Sistema perfezionato di accesso ed avviamento passivi per un autoveicolo
JP6172086B2 (ja) 2014-08-08 2017-08-02 トヨタ自動車株式会社 車両制御装置
JP6395110B2 (ja) * 2014-09-10 2018-09-26 株式会社デンソー 電子キーシステム
JP6287714B2 (ja) * 2014-09-11 2018-03-07 株式会社デンソー 電子キーシステム
JP2016089589A (ja) * 2014-11-11 2016-05-23 株式会社オートネットワーク技術研究所 車両用通信システム、車載機、及びコンピュータプログラム
WO2017158787A1 (ja) * 2016-03-17 2017-09-21 三菱電機株式会社 携帯端末装置及び車載装置
CN114547580B (zh) * 2020-11-26 2025-08-15 华为技术有限公司 解锁电子设备的方法及电子设备
KR20230084810A (ko) * 2021-12-06 2023-06-13 현대자동차주식회사 차량 제어 시스템 및 차량의 제어 방법

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EP0741221A1 (de) * 1995-05-03 1996-11-06 Ford Motor Company Anordnung zum Identifizieren der Richtung eines Senders
US5710548A (en) * 1995-05-03 1998-01-20 Ford Motor Company Transmitter direction identifier
FR2737932A1 (fr) * 1995-08-16 1997-02-21 Ecia Equip Composants Ind Auto Systeme d'echange d'informations codees entre au moins un objet portatif porte par un utilisateur et un vehicule automobile
EP0788948A3 (de) * 1995-09-16 2000-06-21 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Verfahren zur Verbesserung des Diebstahlschutzes von Kraftfahrzeugen mit einer elektronischen Wegfahrsicherung sowie Vorrichtung zur Durchführung des Verfahrens
EP1041226A1 (de) * 1999-04-02 2000-10-04 Valeo Securite Habitacle Vorrichtung zum Sichern eines mit einem Identifizierungsmittel und einem Identifizierer ausgerüsteten Zugangssystems für Kraftfahrzeuge
FR2791728A1 (fr) * 1999-04-02 2000-10-06 Valeo Securite Habitacle Dispositif pour securiser un systeme d'acces equipe d'un moyen d'identification et d'un identifiant, pour un vehicule automobile
US6765471B1 (en) 1999-04-02 2004-07-20 Valeo Securite Habitacle Device for improving the security of an access system equipped with an identification means and an identifier, for a motor vehicle
EP1050641A1 (de) * 1999-05-07 2000-11-08 Valeo Securité Habitacle Verriegelungsverfahren für ein Kraftfahrzeug und Vorrichtung zur Durchführung des Verfahrens
FR2793335A1 (fr) * 1999-05-07 2000-11-10 Valeo Securite Habitacle Procede de condamnation d'un vehicule automobile, et dispositif pour sa mise en oeuvre
RU2441969C1 (ru) * 2010-12-29 2012-02-10 Открытое акционерное общество "Авангард" Электронный замок
CN108780591A (zh) * 2015-08-31 2018-11-09 法雷奥舒适驾驶助手公司 对于确定车辆和车辆进入起动识别器之间的距离的方法

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US5499022A (en) 1996-03-12
EP0596805B1 (de) 1998-02-04
FR2697864A1 (fr) 1994-05-13
FR2697864B1 (fr) 1995-01-06
JP3407955B2 (ja) 2003-05-19
ES2113508T3 (es) 1998-05-01
JPH06207484A (ja) 1994-07-26
DE69316830T2 (de) 1998-05-20
DE69316830D1 (de) 1998-03-12

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