EP0795668B1 - Arrangement for controlling a plurality of actuators in a central locking apparatus - Google Patents
Arrangement for controlling a plurality of actuators in a central locking apparatus Download PDFInfo
- Publication number
- EP0795668B1 EP0795668B1 EP97102174A EP97102174A EP0795668B1 EP 0795668 B1 EP0795668 B1 EP 0795668B1 EP 97102174 A EP97102174 A EP 97102174A EP 97102174 A EP97102174 A EP 97102174A EP 0795668 B1 EP0795668 B1 EP 0795668B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- signal
- actuators
- central locking
- signal transmitter
- output signal
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/46—Locking several wings simultaneously
- E05B77/48—Locking several wings simultaneously by electrical means
Definitions
- the invention relates to a central locking device for motor vehicles.
- EP 118 001 is a central locking system for Motor vehicles with a number of actuators arranged in the doors of a motor vehicle (Locking devices) known.
- Each of the actuators has a certain number of Signal transmitters, which depend on the current state parameters of them monitored actuator or depending on externally entered command signals Send signals to a central control unit, the control unit consisting of the signals of the Signal generator forms control signals with which the control elements are controlled, which effect the locking or unlocking of the actuators.
- each actuator is connected to a central device which evaluates the state parameters registered by the signal generators of the actuators.
- the data signals supplied by the signal transmitters are then corresponding to one in the Central device stored program in control signals for the control elements of the Actuators implemented.
- the signal levels of the output signals are the signal generator depending on the detected state of the actuator either to ground or have a predetermined voltage level that is the same for all motor vehicles is. In most cases, this is the level of the vehicle electrical system voltage. This enables a potential burglar by cutting one of the signaling devices with the central device connecting electrical line and connection of the respective Voltage level to open the doors of the motor vehicle and in most cases to deactivate the anti-theft alarm system.
- the invention is therefore based on the object of a central locking device To create motor vehicles where the potential burglar is not able to by simply cut the corresponding signal line to lock the door or the Override central locking device as a whole.
- the output signal of at least one signal generator, depending on the change, the actuators of the actuators are controlled is coded specific to the vehicle and / or door.
- This is preferably the output signal of the signal generator, which reflects the "system open” state. So it is the potential Burglars not possible by simply cutting the electrical connection between the signal generator and the control unit and application of a voltage level (Ground or vehicle electrical system voltage) to open the motor vehicle.
- the output signal is preferably changed via voltage coding.
- voltage coding via a resistance ratio that can be learned by the control device during a first closing operation respectively.
- signal transmitters of the actuators connect different Z diodes.
- the central locking device for a motor vehicle shown in FIG. 1 includes the central locking control of the doors VL, VR, HL and HR.
- the Locking function of a tailgate can be included.
- Each of the doors VL, VR, HL and HR is equipped with an actuator 1 to 4 designed as a door lock, each of the Actuators have a different number of signal transmitters depending on their use in the motor vehicle 5 to 8.
- the signal generators 5a and 7a each send a "system" status signal Open “and the signal generators 5b and 7b" system close ".
- Further signal generators 5c, 5d, 6c, 6d, 7c, 7d and 8c, 8d indicate the state of the respective door and the signal transmitters 5e, 6e, 7e and 8e send a signal indicating whether the anti-theft device is activated.
- the HL doors and HR do not have any door locks 3 and 4 that can be activated by the user. For this The reason for this is that the signaling devices intended for this are missing. All signal transmitters are as Hall sensors or microswitch.
- the output signals of the signal generators 5 to 8 are fed to the central control device 9, which from the output signals, the control signals S1 to S8 to control the Motors M1 to M4 determined.
- the output signals 5a, 5b and 7a, 7b are active Signals, d. H. depending on their change, the control signals S1 to S8 are formed primary, the output signals of the remaining signal generators are only used as status signals considered. A change in these status signals does not trigger the motors M1 to M4.
- the signal transmitters 5a and 7a are door-specific for burglar protection Ohmic resistors R1 and R2 connected downstream.
- the Input resistances R3 and R4 of control unit 9 are determined in accordance with the door become.
- the input resistors R3 and R4 are only for clarity of illustration drawn outwards.
- the output signal 11, 19 of the signal generator 5a, 7a encoded according to the resistance ratio R1, R3 and R2, R4 and the encoded Output signal I1a, I9a transmitted to the control unit.
- the transmitted signal from the encoder 5a, 7a level U 5a, 7a U is thus dependent on the resistors R1, R3 and R2, R4. It will therefore be more difficult for a potential burglar to find the effective level for opening the doors of the motor vehicle when cutting the line carrying the output signals I1a, I9a. Any fluctuations in the electrical system are calculated by the control unit 9 against the resistance ratio R1, R3 and R2, R4.
- FIG. 2 shows both the signal level of the uncoded output signal I1 lying on the vehicle electrical system voltage U BORD and the signal level U 5a of the coded output signal I1a transmitted to the control device 9.
- Another possibility is to encode the output signals 11, 19 of the signal generators 5a and 7a via an electronic circuit, which detects an edge change in the output signal and transmits the edge change in coded form to the central control unit 9, the corresponding signal profiles of the output signal 11 on board voltage U BOARD of the signal generator 5a and the coded output signal I1a are shown in FIG.
- All actuators 1 to 4 also have the signal transmitters 5c, 5d, 6c, 6d, 7c, 7d, 8c, 8d send a status signal indicating whether the door is open or closed.
- the output signals the signal generators 5e, 6e, 7e and 8e indicate whether the anti-theft device is activated.
- the output signals of the signal transmitters are each transmitted to the decentralized control devices 10 to 13, which are also located in the doors and assigned to the individual actuators 1 to 4 and which communicate with the central control device 9 in a time-division multiplex process.
- each decentralized control unit 10 to 13 also receives selected output signals from the signal generators of the other actuators 1 to 4, from which the control units 10 to 13 determine the control signals S1 to S8 for controlling the respective motor M1 to M4.
- the Signal generators 5a and 7a each have the ohmic resistances defined specifically for the door R1 and R2 connected downstream and the input resistors R3 and R4 of the decentralized Control units 10 and 11 vary depending on the door, so that the output signal 11, 19 of the signal transmitter 5a, 7a transmitted as coded output signal I1a, I9a to the respective control device becomes.
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- Lock And Its Accessories (AREA)
Description
Die Erfindung betrifft eine Zentralverriegelungseinrichtung für Kraftfahrzeuge.The invention relates to a central locking device for motor vehicles.
Aus der europäischen Patentanmeldung EP 118 001 ist ein Zentralverriegelungssystem für Kraftfahrzeuge mit einer Anzahl von in Türen eines Kraftfahrzeuges angeordneten Aktuatoren (Schließeinrichtungen) bekannt. Jeder der Aktuatoren weist eine bestimmte Anzahl von Signalgebern auf, welche in Abhängigkeit von aktuellen Zustandsparametem des von ihnen überwachten Aktuators oder in Abhängigkeit von extern eingegebenen Befehlssignalen Signale an eine zentrale Steuereinheit senden, wobei die Steuereinheit aus den Signalen der Signalgeber Steuersignale bildet, mit denen die Stellelemente angesteuert werden, welche die Ver- oder Entriegelung der Aktuatoren bewirken.From the European patent application EP 118 001 is a central locking system for Motor vehicles with a number of actuators arranged in the doors of a motor vehicle (Locking devices) known. Each of the actuators has a certain number of Signal transmitters, which depend on the current state parameters of them monitored actuator or depending on externally entered command signals Send signals to a central control unit, the control unit consisting of the signals of the Signal generator forms control signals with which the control elements are controlled, which effect the locking or unlocking of the actuators.
Des weiteren ist aus der deutschen Offenlegungsschrift DE 36 28 706 A1 ein Zentralverriegelungssystem bekannt, bei welchem jeder Aktuator mit einer Zentraleinrichtung verbunden ist, die die von den Signalgebern der Aktuatoren registrierten Zustandsparamter auswertet. Die von den Signalgebern gelieferten Datensignale werden dann entsprechend eines in der Zentraleinrichtung gespeicherten Programms in Steuersignale für die Stellelemente der Aktuatoren umgesetzt.Furthermore, a central locking system is known from German published patent application DE 36 28 706 A1 known in which each actuator is connected to a central device which evaluates the state parameters registered by the signal generators of the actuators. The data signals supplied by the signal transmitters are then corresponding to one in the Central device stored program in control signals for the control elements of the Actuators implemented.
Bei den bekannten Zentralverriegelungseinrichtungen liegen die Signalpegel der Ausgangssignale der Signalgeber je nach dem erfaßten Zustand des Aktuators entweder auf Masse oder weisen einen vorgegebenen Spannungspegel auf, der bei allen Kraftfahrzeugen gleich ist. In den meisten Fällen ist dies der Pegel der Bordnetzspannung. Dieser Umstand ermöglicht einem potentiellen Einbrecher durch Durchtrennen einer der den jeweiligen Signalgeber mit der Zentraleinrichtung verbindenden elektrischen Leitung und Aufschaltung des jeweiligen Spannungspegels die Türen des Kraftfahrzeuges zu öffnen und in den meisten Fällen die Diebstahlwarnanlage zu deaktivieren. In the known central locking devices, the signal levels of the output signals are the signal generator depending on the detected state of the actuator either to ground or have a predetermined voltage level that is the same for all motor vehicles is. In most cases, this is the level of the vehicle electrical system voltage. This enables a potential burglar by cutting one of the signaling devices with the central device connecting electrical line and connection of the respective Voltage level to open the doors of the motor vehicle and in most cases to deactivate the anti-theft alarm system.
Der Erfindung liegt deshalb die Aufgabe zugrunde, Zentralverriegelungseinrichtung für Kraftfahrzeuge zu schaffen, bei der es dem potentiellen Einbrecher nicht möglich ist, durch einfaches Durchtrennen der entsprechenden Signalleitung die Verriegelung der Tür bzw. die Zentralverriegelungseinrichtung als ganzes außer Kraft zu setzen.The invention is therefore based on the object of a central locking device To create motor vehicles where the potential burglar is not able to by simply cut the corresponding signal line to lock the door or the Override central locking device as a whole.
Die Aufgabe wird durch die Merkmale des Patentanspruchs gelöst. Vorteilhafte Ausbildungen der Erfindung sind in den Unteransprüchen dargestellt.The object is achieved by the features of the patent claim. Advantageous training the invention are set out in the subclaims.
Gemäß der Erfindung ist vorgesehen, daß das Ausgangssignal zumindest eines Signalgebers, in Abhängigkeit dessen Änderung die Stellelemente der Aktuatoren gesteuert werden, fahrzeug- und/oder türspezifisch codiert ist. Vorzugsweise ist dies das Ausgangssignal des Signalgebers, der den Zustand "System-Öffnen" wiedergibt. Damit ist es dem potentiellen Einbrecher nicht möglich, durch einfaches Durchtrennen der elektrischen Verbindung zwischen dem Signalgeber und dem Steuergerät und Anlegen eines Spannungspegels (Masse oder Bordnetzspannung) das Kraftfahrzeug zu öffnen.According to the invention it is provided that the output signal of at least one signal generator, depending on the change, the actuators of the actuators are controlled, is coded specific to the vehicle and / or door. This is preferably the output signal of the signal generator, which reflects the "system open" state. So it is the potential Burglars not possible by simply cutting the electrical connection between the signal generator and the control unit and application of a voltage level (Ground or vehicle electrical system voltage) to open the motor vehicle.
Vorzugsweise erfolgt die Veränderung des Ausgangssignals über eine Spannungscodierung. Dafür stehen mehrere Möglichkeiten zur Verfügung. Einmal kann die Spannungscodierung über ein vom Steuergerät während eines ersten Schließvorganges lernbares Widerstandsverhältnis erfolgen. Eine weitere Variante besteht darin, den Signalgebern der Aktuatoren unterschiedliche Z-Dioden nachzuschalten.The output signal is preferably changed via voltage coding. There are several ways to do this. Once the voltage coding via a resistance ratio that can be learned by the control device during a first closing operation respectively. Another variant is the signal transmitters of the actuators connect different Z diodes.
Neben der Spannungscodierung ist auch denkbar, dem entsprechenden Signalgeber eine elektronische Schaltungsanordnung nachzuschalten, welche einen Flankenwechsel des Ausgangssignals erfaßt und diesen Flankenwechsel codiert an das Steuergerät überträgt.In addition to the voltage coding, it is also conceivable to use the corresponding signal transmitter electronic circuit arrangement downstream, which an edge change of Output signal detected and this edge change coded transmits to the control unit.
Nachfolgend soll die Erfindung anhand eines Ausführungsbeispieles näher beschrieben werden. Die zugehörigen Zeichnungen zeigen:
Figur 1- ein Blockschaltbild einer erfindungsgemäßen Zentralverriegelungseinrichtung,
Figur 2- einen Signalverlauf des
codierten Ausgangssignals 11 Figur 3- einen weiterer Signalverlauf des
codierten Ausgangssignals 11 und Figur 4- ein Blockschaltbild einer weiteren erfindungsgemäßen Zentralverriegelungseinrichtung.
- Figure 1
- 2 shows a block diagram of a central locking device according to the invention,
- Figure 2
- a waveform of the coded
output signal 11 - Figure 3
- a further waveform of the coded
output signal 11 and - Figure 4
- a block diagram of a further central locking device according to the invention.
Die in der Figur 1 gezeigte Zentralverriegelungseinrichtung für ein Kraftfahrzeug beinhaltet
die Zentralverriegelungssteuerung der Türen VL, VR, HL und HR. Zusätzlich könnte die
Schließfunktion einer Heckklappe einbezogen werden. Jeder der Türen VL, VR, HL und HR
ist mit einem als Türschloß ausgebildeten Aktuator 1 bis 4 ausgestattet, wobei jeder der
Aktuatoren je nach Einsatz im Kraftfahrzeug eine unterschiedliche Anzahl von Signalgebern
5 bis 8 aufweist. Die Signalgeber 5a und 7a senden jeweils ein Zustandssignal "System
Öffnen" und die Signalgeber 5b und 7b "System Schließen". Weitere Signalgeber 5c, 5d, 6c,
6d, 7c, 7d und 8c, 8d geben den Zustand der jeweiligen Tür an und die Signalgeber 5e, 6e,
7e und 8e senden ein Signal, das angibt, ob die Diebstahlsicherung aktiviert ist. Die Türen HL
und HR weisen keine vom Benutzer aktivierbaren Türschlösser 3 und 4 auf. Aus diesem
Grund fehlen hier die dafür vorgesehenen Signalgeber. Alle Signalgeber sind als Hall-Sensoren
oder Mikroschalter ausgebildet.The central locking device for a motor vehicle shown in FIG. 1 includes
the central locking control of the doors VL, VR, HL and HR. In addition, the
Locking function of a tailgate can be included. Each of the doors VL, VR, HL and HR
is equipped with an
Die Ausgangssignale der Signalgeber 5 bis 8 werden dem zentralen Steuergerät 9 zugeführt,
welches aus den Ausgangssignalen die Steuersignale S1 bis S8 zur Ansteuerung der
Motoren M1 bis M4 ermittelt. Die Ausgangssignale 5a, 5b und 7a, 7b sind dabei aktive
Signale, d. h. in Abhängigkeit deren Änderung erfolgt die Bildung der Steuersignale S1 bis S8
primär, die Ausgangssignale der restlichen Signalgeber werden nur als Zustandssignale
berücksichtigt. Eine Änderung dieser Zustandssignale bewirkt keine Ansteuerung der Motoren
M1 bis M4.The output signals of the
Im Ausführungsbeispiel sind zur Einbruchsicherung den Signalgebern 5a und 7a türspezifische
ohmsche Widerstände R1 und R2 nachgeschaltet. Gleichzeitig können auch die
Eingangswiderstände R3 und R4 des Steuergerätes 9 entsprechend türspezifisch festgelegt
werden. In Figur 1 sind die Eingangswiderstände R3 und R4 nur zur verständlicheren Darstellung
nach außen gezeichnet. Damit wird das Ausgangssignal 11, 19 der Signalgeber 5a,
7a entsprechend dem Widerstandsverhältnis R1, R3 und R2, R4 codiert und das codierte
Ausgangssignal I1a, I9a an das Steuergerät übertragen.In the exemplary embodiment, the
Der vom Signalgeber 5a, 7a übertragene Pegel U5a, U7a ist somit abhängig von den
Widerständen R1, R3 und R2, R4. Es wird also einem potentiellen Einbrecher schwerer
fallen, beim Durchtrennen der die Ausgangssignale I1a, I9a tragenden Leitung, den wirksamen
Pegel zum Öffnen der Türen des Kraftfahrzeuges zu finden. Eventuell auftretende
Bordnetzschwankungen werden vom Steuergerät 9 auf das Widerstandsverhältnis R1, R3
und R2, R4 aufgerechnet.The transmitted signal from the
Figur 2 zeigt sowohl den auf der Bordnetzspannung UBORD liegenden Signalpegel des
nichtcodierten Ausgangssignals I1 als auch den an die Steuereinrichtung 9 übertragenen
Signalpegel U5a des codierten Ausgangssignals I1a.FIG. 2 shows both the signal level of the uncoded output signal I1 lying on the vehicle electrical system voltage U BORD and the signal level U 5a of the coded output signal I1a transmitted to the
Eine andere Möglichkeit besteht in der Codierung der Ausgangssignale 11, 19 der Signalgeber
5a und 7a über eine elektronische Schaltung, welche einen Flankenwechsel des
Ausgangssignals erkennt und die Flankenwechsel codiert an das zentrale Steuergerät 9
überträgt, die entsprechenden Signalverläufe des auf Bordspannung UBORD liegenden
Ausgangssignals 11 des Signalgebers 5a und des codierten Ausgangssignals I1a sind in
Figur 3 dargestellt.Another possibility is to encode the
Auch bei einer Zentralverriegelungseinrichtung, bei der jedem Aktuator 1 bis 4 ein dezentrales
Steuergeräte 10 bis 13 zugeordnet ist, läßt sich die Codierung des Ausgangssignals 11, 19
des Signalgebers 5a, 7a anwenden.Even with a central locking device in which each
Auch bei der in Figur 4 dargestellten Zentralverriegelungseinrichtung ist jede der Türen VL,
VR, HL und HR mit einem als Türschloß ausgebildeten Aktuator 1 bis 4 ausgestattet, wobei
die Aktuatoren 1 und 2 wiederum die Signalgeber 5a, 7a, die ein Ausgangssignal 11, 19 zum
Öffnen der Zentralverriegelungseinrichtung abgeben, und die Signalgeber 5b, 7b, die ein
Ausgangssignal zum Schließen der Zentralverriegelungseinrichtung abgeben, aufweisen.
Alle Aktuatoren 1 bis 4 besitzen außerdem die Signalgeber 5c, 5d, 6c, 6d, 7c, 7d, 8c, 8d, die
ein Zustandssignal senden, das angibt, ob die Tür offen oder geschlossen ist. Die Ausgangssignale
der Signalgeber 5e, 6e, 7e und 8e geben an, ob die Diebstahlsicherung aktiviert ist.4, each of the doors VL,
VR, HL and HR equipped with an
Die Ausgangssignale der Signalgeber werden jeweils an die ebenfalls in den Türen befindlichen,
den einzelnen Aktuatoren 1 bis 4 zugeordneten dezentralen Steuergeräte 10 bis 13
übertragen, welche im Zeitmultiplexverfahren mit dem zentralen Steuergerät 9 kommunizieren.
Neben den Ausgangssignalen der eigenen Signalgeber erhält jedes dezentrale Steuergeräte
10 bis 13 auch ausgewählte Ausgangssignale der Signalgeber der anderen Aktuatoren 1 bis
4, aus denen die Steuergeräte 10 bis 13 die Steuersignale S1 bis S8 zur Ansteuerung des
jeweiligen Motors M1 bis M4 ermitteln.The output signals of the signal transmitters are each transmitted to the decentralized
In addition to the output signals of the own signal generators, each decentralized
Zur Verhinderung eines unbefugten Öffnens der Zentralverriegelungseinrichtung sind den
Signalgebern 5a und 7a wiederum jeweils die türspezifisch festgelegten ohmschen Widerstände
R1 und R2 nachgeschaltet und die Eingangswiderstände R3 und R4 der dezentralen
Steuergeräte 10 und 11 türspezifisch variiert, so daß das Ausgangssignal 11, 19 der Signalgeber
5a, 7a als codiertes Ausgangssignal I1a, I9a an das jeweilige Steuergerät übertragen
wird. To prevent unauthorized opening of the central locking device are the
- VL, VR, HL, HRVL, VR, HL, HR
- TürenDoors
- 1 bis 41 to 4
- AktuatorenActuators
- 5 bis 85 to 8
- SignalgeberSignal generator
- 99
- SteuergerätControl unit
- 10 bis 1310 to 13
- dezentrales Steuergerätdecentralized control unit
- M1 bis M4M1 to M4
- MotorenEngines
- S1 bis S8S1 to S8
- SteuersignaleControl signals
- I1, I9I1, I9
- nichtcodiertes Ausgangssignaluncoded output signal
- I1a, I9aI1a, I9a
- codiertes Ausgangssignalcoded output signal
- UBORD U BOARD
- BordnetzspannungVehicle electrical system voltage
- R1 bis R4R1 to R4
- ohmsche Widerständeohmic resistors
- U5a U 5a
- SignalpegelSignal level
Claims (6)
- Central locking device for motor vehicles, with a number of actuators (1 - 4) disposed in doors and with a device for controlling the actuators, wherein at least one adjusting element and at least one signal transmitter (5 - 8) is allocated to each of the actuators, wherein the output signal of the signal transmitter reproduces a condition of the adjusting element and the adjusting elements of the actuators (1 - 4) are controlled by a control device (9) in dependence upon at least the output signal of a signal transmitter (50, 70) of one of the actuators, characterised in that a construction element (R1 - R4) is disposed in the signal path of the signal transmitter (5a, 7a) so that the output signal (I1a; I9a) of the signal transmitter (5a;7a), in dependence upon the change in which the control elements of the actuators (1 - 4) are controlled, is encoded in a vehicle-specific and/or door-specific manner.
- Central locking device according to claim 1, characterised in that the output signal (I1a; 19a) of at least the signal transmitter (5a; 7a), which reproduces the "open system" condition, is encoded.
- Central locking device according to claim 1 or 2, characterised in that the output signal (I1a; I9a) is voltage-encoded.
- Central locking device according to claim 3, characterised in that the voltage-encoding is carried out by means of a resistance ratio (R1, R3; R2, R4) which can be learned by the control device (9; 10, 11), wherein a vehicle-specific and/or door-specific ohmic resistor (R1; R2) is allocated to the respective signal transmitter (5a; 7a), and the input resistor (R3; R4) of the input of the control device (9; 10, 11), which is connected to the signal transmitter (5a; 7a), is varied in a vehicle-specific and/or door-specific manner.
- Central locking device according to claim 3, characterised in that the voltage-encoding is carried out by means of one or more Zener diodes allocated to the signal transmitter (5a; 7a).
- Central locking device according to claim 1 or 2, characterised in that an electronic circuit arrangement is allocated to the signal transmitter (5a; 7a) and recognises a change of edge in the output signal (I1; I9) and transfers this change of edge in an encoded manner to the control device (9).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19609753A DE19609753C2 (en) | 1996-03-13 | 1996-03-13 | Device for controlling a number of actuators in a central locking device |
| DE19609753 | 1996-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0795668A1 EP0795668A1 (en) | 1997-09-17 |
| EP0795668B1 true EP0795668B1 (en) | 2000-05-03 |
Family
ID=7788089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97102174A Expired - Lifetime EP0795668B1 (en) | 1996-03-13 | 1997-02-12 | Arrangement for controlling a plurality of actuators in a central locking apparatus |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0795668B1 (en) |
| DE (2) | DE19609753C2 (en) |
| ES (1) | ES2146932T3 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29712706U1 (en) * | 1997-07-18 | 1998-02-26 | Wilhelm Karmann GmbH, 49084 Osnabrück | Cabriolet vehicle with a convertible top that can be lowered into a convertible top compartment |
| DE19955545A1 (en) * | 1999-11-18 | 2001-05-23 | Volkswagen Ag | System for controlling a motor vehicle uses control devices fitted with a cryptocontroller storing a program for encrypting and/or a secret code in memory and keeping it safe from manipulation |
| DE10032664C2 (en) * | 2000-07-05 | 2003-10-16 | Daimler Chrysler Ag | Locking system for a vehicle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3030569A1 (en) * | 1980-08-13 | 1982-03-11 | Fichtel & Sachs Ag, 8720 Schweinfurt | CENTRAL LOCKING SYSTEM FOR LOCKABLE OPENINGS ON BUILDINGS OR VEHICLES, IN PARTICULAR MOTOR VEHICLES |
| DE3043605A1 (en) * | 1980-11-19 | 1982-07-08 | SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen | CONTROL CIRCUIT FOR ELECTRICAL ELEMENTS IN MOTOR VEHICLES |
| DE3304304C3 (en) * | 1983-02-09 | 1995-07-13 | Aeg Sensorsysteme Gmbh | System for jointly locking and / or unlocking a plurality of locks |
| DE3628706A1 (en) * | 1986-08-23 | 1988-02-25 | Vdo Schindling | CENTRAL LOCKING SYSTEM FOR A MOTOR VEHICLE |
| IT1195198B (en) * | 1986-10-14 | 1988-10-12 | Roltra Spa | CONTROL AND DRIVE SYSTEM OF ELECTRIC WINDOWS IN A VEHICLE |
| DE3919996A1 (en) * | 1989-06-20 | 1991-01-10 | Daimler Benz Ag | Controlling central locking system in motor vehicle - determining activating direction of adjusting elements assigned to locks and doors by current in single control line |
| EP0491095B1 (en) * | 1990-12-17 | 1996-02-28 | UNITED TECHNOLOGIES AUTOMOTIVE, Inc. | Single wire, infrared randomly reflected, automotive multiplexing system |
| DE4338346A1 (en) * | 1993-11-10 | 1995-05-11 | Gemini Autosicherheits Und Kom | Device for the automatic interruption of the driving readiness of a motor vehicle |
-
1996
- 1996-03-13 DE DE19609753A patent/DE19609753C2/en not_active Expired - Fee Related
-
1997
- 1997-02-12 DE DE59701557T patent/DE59701557D1/en not_active Expired - Lifetime
- 1997-02-12 EP EP97102174A patent/EP0795668B1/en not_active Expired - Lifetime
- 1997-02-12 ES ES97102174T patent/ES2146932T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0795668A1 (en) | 1997-09-17 |
| DE19609753A1 (en) | 1997-09-18 |
| ES2146932T3 (en) | 2000-08-16 |
| DE19609753C2 (en) | 2000-09-14 |
| DE59701557D1 (en) | 2000-06-08 |
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