EP0629758B1 - Système de télécommande à plusieurs portées fonctionnelles sélectionnées par seuil de détection - Google Patents
Système de télécommande à plusieurs portées fonctionnelles sélectionnées par seuil de détection Download PDFInfo
- Publication number
- EP0629758B1 EP0629758B1 EP94109337A EP94109337A EP0629758B1 EP 0629758 B1 EP0629758 B1 EP 0629758B1 EP 94109337 A EP94109337 A EP 94109337A EP 94109337 A EP94109337 A EP 94109337A EP 0629758 B1 EP0629758 B1 EP 0629758B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- processor
- control system
- remote
- sender
- 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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Images
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 actuation of organs in a motor vehicle.
- the present invention relates to the field of systems remote control especially for vehicle access control automobile.
- Known remote control systems include generally, as shown schematically in Figure 1, a portable transmitter 10 carried by a user and a module receiver 20 on board vehicle 30.
- the transmitter 10 is designed to generate a coded wave 10a.
- Coded wave means a carrier wave of control information.
- This coded wave can be provided by radio transmission, luminous, infrared or ultrasonic in particular.
- the receiver module 20 is designed to detect the wave encoded 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 the doors of the motor vehicle 30 or auxiliary components of the vehicle.
- Remote control systems from a coded wave to radio transmission in particular are very useful flexible insofar as the user does not need to orient the transmitter towards the vehicle so that the transmission be established and on the other hand where transmission can be established at a distance of several tens of meters from the vehicle.
- Such a remote control system is for example known from the document DE-A-42 26 053, in which a command (in particular unlocking / locking the doors) is executed only if the sender is within a predetermined area when the coded message is received.
- the transmitter 10 has several keys to which are associated with special functions such as locking doors, unlocking the doors, switching on the overhead light or vehicle lights, window closing, triggering of an alarm.
- Each function having its own key, the size of the case is important and ergonomics of use of the case is degraded by the presence of too much large number of keys.
- the object of the present invention is therefore to perfect these systems by eliminating this compromise and by reducing the number of buttons on the remote control.
- each of the functions of the system is assigned an authorized operating area around the vehicle.
- F1 type functions cannot be ordered only in zone B delimited by the distance from transition D1.
- Functions of type F2 can be ordered in zone A delimited by the transmission range of the system P and the transition distance D1.
- the system which is the subject of the present invention could also include other functional areas delimited by transition distances D2, D3, at which would be associated functions of type F2, F3.
- the same touch on the remote control allows you to control several functions depending on the distance from the vehicle transmitter. For example, pressing key n ° 1 controls the ignition of the ceiling light when the user is in zone A and controls the unlocking of the doors when the user found in zone B.
- the invention relates to a system of remote control for actuating organs in a vehicle automotive and in particular the locking / unlocking of doors, of the type comprising a portable transmitter capable of generate 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 transmitter portable comprising a processor, a radio transmitter, a set of function keys and a power set by batteries, the receiver module comprising an antenna reception, radio receiver, activation circuit forms demodulated signals, a processor for processing data and a control circuit for electromechanical components of the vehicle. It is characterized in that the processor includes means for controlling the circuit detection threshold the demodulated signals, so as to define several functional areas around the vehicle.
- the level of the HF signal received on the receiver antenna is a function of the distance between the transmitter and the receiver and that the variation of this level in distance function follows a decreasing law as indicated in FIG. 3, it is possible, for a transmitter and a given vehicle, to determine approximately at which distance is the vehicle transmitter by detecting the level HF of the received signal.
- a high detection threshold corresponding to the distance of transition D1 (abscissa in FIG. 3 and corresponding circle, Figure 2) and a low detection threshold corresponding to the limit transmission range P (abscissa in figure 3 and circle Figure 2). It is clear that we 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 has a processor 100, a radio transmitter 101, a set of function keys 102 and a power supply by batteries 103.
- the receiver module includes a receiver radio 201 equipped with an HF 200 antenna, a circuit formatting of the demodulated signals 202, a processor data processing 203 and an organ control circuit electromechanical components of the vehicle 204.
- the radio receiver 201 is responsible for amplifying and to demodulate the coded radio wave received on the antenna 200.
- This radio receiver 201 provides the shaping circuit 202 a representative analog signal of the coded message sent by the transmitter 10.
- the activation circuit form 202 provides processor 203 with one or more signals data logics adapted to the acquisition and decoding of the coded message data implemented in the application.
- the processor 203 includes a means of switching of a detection threshold of the shaping circuit 202, demodulated signals. By this means, the processor 203 control 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 figure 7).
- All electromagnetic signals received on the antenna reception 200 which produce, at the output of the HF receiver 201, demodulated signals whose levels are higher than this low detection threshold are shaped by circuit 202 and recorded or used by 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 figure 7). All electromagnetic signals received on the antenna reception 200 which produce, at the output of the HF 201 receiver, demodulated signals whose levels are below the threshold of high detection are not shaped by circuit 202 and do not are therefore not recorded or used by the processor 203. The high level of the detection threshold thus determines the distance of system transition D1.
- the processor 203 controls the threshold of low level detection in order to receive all coded waves emitted from zones A and B.
- the processor 100 Each time you activate a key or key combination 102 of the transmitter, the processor 100 generates a compound coded wave as shown in Figure 5 of a part of coded data A and of a part of data coded B.
- the coded data part A contains the data of the issuer's identifications and 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 detection the level of the signals received by the receiver module 20.
- the HF 201 receiver provides demodulated signals whose level is above the low detection threshold of the formatting 202 but below the high detection threshold.
- the means for switching the detection threshold of the shaping circuit 203 chooses the threshold level of detection corresponding to the functional range area associated with the order received as shown in the first part of the message. Multiple threshold levels can be saved or predetermined otherwise.
- the processor 203 On reception of the coded wave, as indicated on the Figure 8, the processor 203 connects the execution of several operations to determine on the one hand the validity of the data coded received and secondly to determine the function to order.
- the HF 201 receiver provides demodulated signals whose level is above the upper and lower detection thresholds of the shaping circuit 202.
- the format of the data message may be different from that shown in Figure 4.
- the principle claimed in this invention can for example be applied to a message format as shown in Figure 5 for which messages A are repeated one or more times.
- Part B of the message can also be reduced to uncoded data.
Landscapes
- 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)
Description
- les figures 1 et 2 décrites plus haut,
- la figure 3, qui représente la courbe d'évolution du niveau HF reçu en fonction de la distance émetteur - véhicule,
- la figure 4, qui représente une vue schématique sous forme de blocs diagrammes fonctionnels du système de télécommande radioélectrique conforme à la présente invention,
- la figure 5, qui représente un exemple de format des données transmises par l'émetteur,
- la figure 6, qui représente une variante de format des données transmises par l'émetteur,
- la figure 7, qui représente le chronogramme de fonctionnement pour la commande du seuil de détection,
- la figure 8, qui représente le chronogramme de fonctionnement du module récepteur dans une application de transmission radioélectrique.
Claims (6)
- Système de télécommande pour l'actionnement d'organes électromécaniques dans un véhicule automobile comprenant :un émetteur portatif (10) pour l'émission de signaux codés, ledit émetteur comprenant un ensemble de touches de fonctions (102),un module récepteur (20) placé dans le véhicule comprenant un processeur de traitement (203) des signaux codés reçus et un circuit de traitement des organes électromécaniques du véhicule (204),
- Système de télécommande selon la revendication 1, caractérisé par le fait que le processeur de traitement (203) comporte un circuit de mise en forme des signaux démodulés (202) intégrant un moyen de commande du seuil de détection des signaux dudit circuit (202), de façon à définir plusieurs zones de portée fonctionnelle autour du véhicule.
- Système de télécommande salon la revendication 2, caractérisé par le fait qu'une touche ou combinaison de touches activée dans une zone fonctionnelle proche du véhicule permet de commander des fonctions d'ordre sécuritaire tel que le verrouillage/déverrouillage alors que l'activation de cette même touche ou combinaison de touche dans une zone fonctionnelle éloignée du véhicule permet de commander des fonctions de confort d'usage.
- Système de télécommande selon la revendication 1 à 3, caractérisé par le fait que l'émetteur (10) transmet un signal codé formé d'au moins deux parties dont la première est destinée à permettre l'identification de l'émetteur (10) et dont la seconde est destinée à permettre la détection du niveau des signaux reçus par le module récepteur (20).
- Système de télécommande selon la revendication 1 à 3, caractérisé par le fait que le processeur de traitement (203) comporte un moyen de commutation du seuil de détection du circuit de mise en forme (202) en réponse à la réception et au décodage de la première partie afin de déterminer dans quelle zone se trouve l'émetteur autour du véhicule.
- Système de télécommande selon la revendication 5, caractérisé par le fait que le processeur de traitement (203) commande par défaut le seuil de détection à son niveau bas et en ce que le seuil de détection commute successivement d'un niveau bas vers le niveau haut suivant.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9307481A FR2706934B1 (fr) | 1993-06-21 | 1993-06-21 | |
FR9307481 | 1993-06-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0629758A1 EP0629758A1 (fr) | 1994-12-21 |
EP0629758B1 true EP0629758B1 (fr) | 2003-01-08 |
Family
ID=9448359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94109337A Expired - Lifetime EP0629758B1 (fr) | 1993-06-21 | 1994-06-17 | Système de télécommande à plusieurs portées fonctionnelles sélectionnées par seuil de détection |
Country Status (6)
Country | Link |
---|---|
US (1) | US5600323A (fr) |
EP (1) | EP0629758B1 (fr) |
JP (1) | JPH0759165A (fr) |
DE (1) | DE69431975T2 (fr) |
ES (1) | ES2190433T3 (fr) |
FR (1) | FR2706934B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7657492B2 (en) | 2003-09-17 | 2010-02-02 | Siemens Aktiengesellschaft | Mobile control and monitoring system |
DE102006058856B4 (de) * | 2006-12-13 | 2017-05-18 | Volkswagen Ag | Verfahren und Vorrichtung zur Fernsteuerung einer motorisiert betätigbaren Fahrzeugöffnung |
Families Citing this family (95)
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-
1993
- 1993-06-21 FR FR9307481A patent/FR2706934B1/fr not_active Expired - Lifetime
-
1994
- 1994-06-16 US US08/260,955 patent/US5600323A/en not_active Expired - Lifetime
- 1994-06-17 ES ES94109337T patent/ES2190433T3/es not_active Expired - Lifetime
- 1994-06-17 EP EP94109337A patent/EP0629758B1/fr not_active Expired - Lifetime
- 1994-06-17 DE DE69431975T patent/DE69431975T2/de not_active Expired - Lifetime
- 1994-06-20 JP JP6136850A patent/JPH0759165A/ja active Pending
Cited By (3)
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US7657492B2 (en) | 2003-09-17 | 2010-02-02 | Siemens Aktiengesellschaft | Mobile control and monitoring system |
US8401678B2 (en) | 2003-09-17 | 2013-03-19 | Siemens Aktiengesellschaft | Mobile control and monitoring system |
DE102006058856B4 (de) * | 2006-12-13 | 2017-05-18 | Volkswagen Ag | Verfahren und Vorrichtung zur Fernsteuerung einer motorisiert betätigbaren Fahrzeugöffnung |
Also Published As
Publication number | Publication date |
---|---|
ES2190433T3 (es) | 2003-08-01 |
DE69431975T2 (de) | 2003-08-28 |
EP0629758A1 (fr) | 1994-12-21 |
JPH0759165A (ja) | 1995-03-03 |
DE69431975D1 (de) | 2003-02-13 |
FR2706934A1 (fr) | 1994-12-30 |
FR2706934B1 (fr) | 1995-10-13 |
US5600323A (en) | 1997-02-04 |
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