EP2067922B1 - Roller shutter system - Google Patents
Roller shutter system Download PDFInfo
- Publication number
- EP2067922B1 EP2067922B1 EP20080170648 EP08170648A EP2067922B1 EP 2067922 B1 EP2067922 B1 EP 2067922B1 EP 20080170648 EP20080170648 EP 20080170648 EP 08170648 A EP08170648 A EP 08170648A EP 2067922 B1 EP2067922 B1 EP 2067922B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shutter
- control unit
- detection
- motor
- detection 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.)
- Revoked
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
- E06B9/86—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against unauthorised opening
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B2009/6809—Control
- E06B2009/6818—Control using sensors
Definitions
- the present invention relates to a rolling shutter system as defined in the preamble of claim 1.
- a rolling shutter system as defined in the preamble of claim 1.
- Such a system is known from the document EP-A-1,245,779 .
- a rolling curtain system is a rolling curtain generally consisting of a plurality of transverse blades wound on a drum intended to be driven, in one direction or the other by an electric motor.
- a control unit is provided to be able to control the electric motor, either in a stopped mode, or in a running mode, in a direction allowing the rise of the curtain or in the other allowing its descent and this, under the control for example d 'a button. Other modes of operation may also be provided.
- Rolling curtain systems are already known whose blade, on the free or distal edge of the curtain, is provided with means enabling the control of the stopping of the motor when this distal blade encounters an obstacle.
- the purpose of the present invention is to provide such a rolling curtain system but which is of such a structure that it allows the detection of intrusion by the opening that the curtain is supposed to close.
- a rolling curtain system according to the present invention is defined in claim 1.
- said control unit on receiving said detection signal, compares the position reached at this moment by said distal plate at one or more positions of total or partial closure of said curtain and, when this does not correspond not at said one or more of said closing positions, controls the motor for the curtain to rise a few centimeters.
- said control unit when said motor is stopped, said control unit is in a rest position in which it can only control the electric motor in rotation only when the user controls it.
- said detection unit comprises a detection circuit designed to be able to measure accelerations or decelerations in at least the direction of movement of said curtain, a control unit intended to deliver a detection signal when the or a signal delivered by said detection circuit has a value representative of an acceleration or deceleration whose amplitude is greater than a given threshold value, and a radiofrequency transmitter.
- Said detection circuit is for example of the MEM type.
- a rolling curtain system such as the one shown in Fig. 1 , comprises a rolling curtain 1 generally consisting of a plurality of transverse blades 10 which are wound on a drum 12 intended to be driven by an electric motor 13. It further comprises a control unit 14 which is provided to be able to control the electric motor 13, either in a stopped mode, or in a running mode, in a direction allowing the rise of the curtain 1 or in the other allowing its descent under the control, for example, of an appropriate button 16. Other modes of operation may also be provided.
- the blade 11, on the free or distal edge side of the curtain, is provided with a detection unit 15 equipped with an antenna 15a.
- a detection unit 15 equipped with an antenna 15a.
- FIG. Fig. 2 One embodiment of this detection unit is shown in FIG. Fig. 2 .
- It comprises a detection circuit 151 which is provided to be able to measure accelerations or decelerations in at least one direction.
- the detection unit 15 is mounted on the blade 11 so that the detection circuit 151 measures in at least the direction of movement of the curtain, in this case the vertical direction.
- the circuit 151 which is represented at Fig. 2 , is intended to measure acceleration or deceleration in two directions.
- the detection unit 15 is then mounted on the blade 11 so that the detection circuit 151 measures the accelerations and decelerations in the transverse and longitudinal directions of the blade 11, that is to say the horizontal direction containing the blade 11 and the vertical direction.
- the detection circuit 151 is, for example, a circuit of the so-called MEM (Micro-Electro-Mechanical) sensor type.
- These signals Sv and Sh are supplied to a control unit 152 intended to deliver a detection signal Sd when at least one of these signals Sv and Sh has a value greater than a predetermined threshold value.
- the signal Sd is transmitted to a transmitter 153 provided with the antenna 15a so as to transmit this detection signal either to the control unit 14, which is provided for this purpose with an antenna 14a and also with a receiver (not shown), or an alarm 17 provided with it also to do this an antenna 17a.
- the alarm 17 is also provided with alarm warning means, such as an alarm siren 17b.
- the control unit 14 is also connected to the alarm 17 and comprises, for this purpose, an antenna 14b in connection with the antenna 17a of the alarm 17.
- an antenna 14b in connection with the antenna 17a of the alarm 17.
- Other configurations are conceivable: a single antenna for the control unit 14 acting as antennas 14a and 14b, the control unit 14 and the alarm 17 forming a single unit then having only one antenna (the connection provided by the antennas 14b and 17a is then more necessary and the function of the antennas 14a and 17a can be provided by a single antenna), etc.
- the rolling curtain system shown in Fig. 1 also comprises an indexing system 12a connected to the drum 12 to inform the control unit 14 on the present position of the distal blade 11 of the curtain 1.
- the control unit 14 checks in a continuous or quasi-continuous manner whether the present position of the distal blade 11 corresponds to a predetermined closing position of the curtain 11, for example either a complete closed position or a partial closed position. leaving a gap between the distal blade 11 and the bottom of the opening. For this purpose, the control unit 14 compares the value of the position delivered by said indexing system 12a with predetermined position values, for example by the user.
- the control unit 14 commands the motor 13 to stop and then return to its idle state. It is recalled that, in this rest position, the control unit 14 can only control the motor 13 when the user actuates the button 16.
- an impulsive value of the signal Sv is delivered by the detection circuit 151 and is supplied to the control unit 152 which then generates a detection signal Sd pulse itself transmitted to the control unit 14.
- the control unit 14 upon receipt of the second detection signal Sd, controls the motor 13 so that it stop and then she goes back to her resting state.
- the control unit 14 directly controls the stopping of the motor 13 and is placed in its state of rest. It is recalled, if necessary, that in this rest position, the control unit 14 can control the motor 13 only when the user actuates the button 16.
- the control unit 14 controls the motor 13 so that it turns in the other sense for a short while so that the curtain 1 goes up a few centimeters. Then the control unit 14 returns to its state of rest. Again, the control unit 14 can control the motor 13 only when the user actuates the button 16.
- the unit 14 controls the alarm 17 to activate it. It will be deactivated when the user, by means of the button 16, controls the raising of the curtain 1 or its descent to another predetermined position, if there is one. It should be noted that, from an alarm point of view 17, the control unit 14 and the detection unit 15 act as a perimetric sensor.
- a Sd detection signal is transmitted to the control unit 14, then to the alarm 17 to turn on the alarm warning means 17a.
- the detection signal Sd is transmitted directly to the alarm 17 to start the means. alarm horns 17a. In this case, it is only the detection unit 15 which acts as a peripheral sensor.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Description
La présente invention concerne un système de rideau roulant comme défini dans le préambule de la revendication 1. Un tel système est connu du document
Un système de rideau roulant est un rideau roulant généralement constitué d'une pluralité de lames transversales enroulées sur un tambour prévu pour être entraîné, dans un sens ou dans l'autre par un moteur électrique. Une unité de commande est prévue pour pouvoir piloter le moteur électrique, soit dans un mode arrêté, soit dans un mode marche, dans un sens permettant la montée du rideau ou dans l'autre permettant sa descente et ce, sous la commande par exemple d'un bouton. D'autres modes de fonctionnement peuvent également être prévus.A rolling curtain system is a rolling curtain generally consisting of a plurality of transverse blades wound on a drum intended to be driven, in one direction or the other by an electric motor. A control unit is provided to be able to control the electric motor, either in a stopped mode, or in a running mode, in a direction allowing the rise of the curtain or in the other allowing its descent and this, under the control for example d 'a button. Other modes of operation may also be provided.
On connaît déjà des systèmes de rideau roulant dont la lame, côté bord libre ou distal du rideau, est pourvue de moyens permettant la commande de l'arrêt du moteur lorsque cette lame distale rencontre un obstacle.Rolling curtain systems are already known whose blade, on the free or distal edge of the curtain, is provided with means enabling the control of the stopping of the motor when this distal blade encounters an obstacle.
Le but de la présente invention est de prévoir un tel système de rideau roulant mais qui soit de structure telle qu'il permette la détection d'intrusion par l'ouverture que le rideau est censé fermer.The purpose of the present invention is to provide such a rolling curtain system but which is of such a structure that it allows the detection of intrusion by the opening that the curtain is supposed to close.
A cet effet, un système de rideau roulant selon la présente invention est défini dans la revendication 1.For this purpose, a rolling curtain system according to the present invention is defined in
Selon une caractéristique additionnelle avantageuse, ladite unité de commande, à la réception dudit signal de détection, compare la position atteinte à ce moment par ladite lame distale à une ou plusieurs positions de fermeture totale ou partielle dudit rideau et, lorsque celle-ci ne correspond pas à ladite ou une desdites positions de fermeture, commande le moteur pour que le rideau remonte de quelques centimètres.According to an advantageous additional characteristic, said control unit, on receiving said detection signal, compares the position reached at this moment by said distal plate at one or more positions of total or partial closure of said curtain and, when this does not correspond not at said one or more of said closing positions, controls the motor for the curtain to rise a few centimeters.
Selon une autre caractéristique additionnelle avantageuse, lorsque ledit moteur est arrêté, ladite unité de commande est dans une position de repos dans laquelle elle ne peut commander le moteur électrique en rotation uniquement que lorsque l'utilisateur le commande.According to another advantageous additional feature, when said motor is stopped, said control unit is in a rest position in which it can only control the electric motor in rotation only when the user controls it.
Selon une autre caractéristique additionnelle avantageuse, ladite unité de détection comporte un circuit de détection prévu pour pouvoir mesurer des accélérations ou des décélérations dans au moins la direction de déplacement dudit rideau, une unité de contrôle prévue pour délivrer un signal de détection lorsque le ou un signal délivré par ledit circuit de détection présente une valeur représentative d'une accélération ou d'une décélération dont l'amplitude est supérieure à une valeur seuil donnée, et un émetteur radiofréquence.According to another advantageous additional feature, said detection unit comprises a detection circuit designed to be able to measure accelerations or decelerations in at least the direction of movement of said curtain, a control unit intended to deliver a detection signal when the or a signal delivered by said detection circuit has a value representative of an acceleration or deceleration whose amplitude is greater than a given threshold value, and a radiofrequency transmitter.
Ledit circuit de détection est par exemple du type MEM.Said detection circuit is for example of the MEM type.
Les caractéristiques de l'invention mentionnées ci-dessus, ainsi que d'autres, apparaîtront plus clairement à la lecture de la description suivante d'un exemple de réalisation, ladite description étant faite en relation avec les dessins joints, parmi lesquels:
- La
Fig. 1 est un schéma synoptique d'un système de rideau roulant selon la présente invention, et - La
Fig. 2 est un schéma synoptique d'une unité de détection équipant la lame distale d'un rideau d'un système de rideau roulant selon la présente invention.
- The
Fig. 1 is a block diagram of a rolling curtain system according to the present invention, and - The
Fig. 2 is a block diagram of a sensor unit equipping the distal blade of a curtain of a rolling curtain system according to the present invention.
Un système de rideau roulant, tel que celui qui est représenté à la
La lame 11, côté bord libre ou distal du rideau, est pourvue d'une unité de détection 15 équipée d'une antenne 15a. Un mode de réalisation de cette unité de détection est représenté à la
Elle comprend un circuit de détection 151 qui est prévu pour pouvoir mesurer des accélérations ou des décélérations dans au moins une direction. L'unité de détection 15 est montée sur la lame 11 de manière que le circuit de détection 151 mesure dans au moins la direction de déplacement du rideau, en l'occurrence la direction verticale.It comprises a
Le circuit 151, qui est représenté à la
Ces signaux Sv et Sh sont fournis à une unité de contrôle 152 prévue pour délivrer un signal de détection Sd lorsque l'un au moins de ces signaux Sv et Sh présente une valeur supérieure à une valeur seuil prédéterminée. Le signal Sd est transmis à un émetteur 153 pourvu de l'antenne 15a de manière à transmettre ce signal de détection soit à l'unité de commande 14, laquelle est pourvue pour ce faire d'une antenne 14a et aussi d'un récepteur (non représenté), soit à une alarme 17 pourvue elle aussi pour ce faire d'une antenne 17a. L'alarme 17 est également pourvue de moyens avertisseurs d'alarme, tels qu'une sirène d'alarme 17b.These signals Sv and Sh are supplied to a
L'unité de commande 14 est également reliée à l'alarme 17 et comporte, pour ce faire, une antenne 14b en relation avec l'antenne 17a de l'alarme 17. D'autres configurations sont envisageables : une seule antenne pour l'unité de commande 14 jouant le rôle des antennes 14a et 14b, l'unité de commande 14 et l'alarme 17 formant une unique unité ne possédant alors qu'une seule antenne (la liaison assurée par les antennes 14b et 17a n'est alors plus nécessaire et la fonction des antennes 14a et 17a peut être assurée par une unique antenne), etc.The
Le système de rideau roulant représenté à la
Lorsque l'utilisateur commande, au moyen du bouton 16, la fermeture du rideau 1, le moteur 13, commandé par l'unité 14, se met en mouvement de manière à ce que le rideau 1 descende. L'unité de commande 14 vérifie alors de manière continue ou quasi-continue si la position présente de la lame distale 11 correspond à une position prédéterminée de fermeture du rideau 11, par exemple soit une position de fermeture complète, soit une position de fermeture partielle laissant un espace entre la lame distale 11 et le bas de l'ouverture. Pour ce faire, l'unité de commande 14 compare la valeur de la position délivrée par ledit système d'indexation 12a à des valeurs de position prédéterminée, par exemple par l'utilisateur.When the user controls, by means of the
Si la position atteinte par la lame distale 11 ne correspond pas à une desdites positions prédéterminées de fermeture du rideau 11, le moteur 13 continue de tourner et le rideau 1 de descendre. Par contre, si la position atteinte par la lame distale 11 correspond à une desdites positions prédéterminées de fermeture du rideau 11, l'unité de commande 14 commande le moteur 13 pour qu'il arrête puis se remet dans son état de repos. On rappelle que, dans cette position de repos, l'unité de commande 14 ne peut commander le moteur 13 uniquement que lorsque l'utilisateur actionne le bouton 16.If the position reached by the
Lorsque le moteur 13 se met en mouvement de manière à ce que le rideau 1 descende, une valeur impulsive du signal Sv est délivrée par le circuit de détection 151 et est fournie à l'unité de contrôle 152 pour que cette dernière génère un signal de détection Sd impulsionnel transmis, au moyen de l'émetteur 153 et via l'antenne 15a, à l'unité de commande 14 qui se place alors dans un état d'attente d'une nouvelle impulsion.When the
Lorsque le rideau 1 s'arrête de descendre soit parce que sa lame distale 11 a rencontré un obstacle, soit parce qu'elle est arrivée dans des positions prédéterminées, une valeur impulsive du signal Sv est délivrée par le circuit de détection 151 et est fournie à l'unité de contrôle 152 qui génère alors un signal de détection Sd impulsionnel lui-même transmis à l'unité de commande 14.When the
Dans un premier mode de réalisation, dans le cas où l'arrêt de la lame distale 11 est du à un obstacle, l'unité de commande 14, à la réception du second signal de détection Sd, commande le moteur 13 pour qu'il arrête puis elle se remet dans son état de repos. Dans le cas où l'arrêt de la lame distale 11 est du à son arrivée à une position prédéterminée, l'unité de commande 14 commande directement l'arrêt du moteur 13 et se place dans son état de repos. On rappelle, si besoin est, que dans cette position de repos, l'unité de commande 14 ne peut commander le moteur 13 uniquement que lorsque l'utilisateur actionne le bouton 16.In a first embodiment, in the case where the stopping of the
Dans un second mode de réalisation de l'invention, lorsque la position d'arrêt de la lame distale 11 ne correspond à une position de fermeture prédéterminée, l'unité de commande 14 commande le moteur 13 pour qu'il tourne dans l'autre sens pendant un court instant si bien que le rideau 1 remonte de quelques centimètres. Puis l'unité de commande 14 se remet dans son état de repos. Là encore, l'unité de commande 14 ne peut commander le moteur 13 uniquement que lorsque l'utilisateur actionne le bouton 16.In a second embodiment of the invention, when the stop position of the
Lorsque le rideau 1 est dans une desdites positions de fermeture prédéterminées, l'unité 14 commande l'alarme 17 pour l'activer. Elle sera désactivée lorsque l'utilisateur, au moyen du bouton 16, commande la remontée du rideau 1 ou sa descente à une autre position prédéterminée, s'il y en a une. On notera que, d'un point de vue de l'alarme 17, l'unité de commande 14 et l'unité de détection 15 jouent le rôle d'un capteur périmétrique.When the
Pendant cette activation de l'alarme 17, si l'unité de détection 15 détecte le déplacement de la lame distale 11 (des signaux impulsionnels apparaissent soit sur l'une soit sur l'autre borne de sortie du disposition de détection 151), un signal de détection Sd est transmis à l'unité de commande 14, puis à l'alarme 17 pour mettre en marche les moyens avertisseurs d'alarme 17a. De manière alternative, le signal de détection Sd est transmis directement à l'alarme 17 pour mettre en marche les moyens avertisseurs d'alarme 17a. Dans ce cas, c'est uniquement l'unité de détection 15 qui joue le rôle d'un capteur périphérique.During this activation of the
Claims (5)
- Roller shutter system comprising a shutter (1) composed of a plurality of transverse slats (10) which are wound on a cylinder (12) provided to be moved by a motor (13) and a control unit (14) provided to be able to control said motor (13), the distal slat (11) of said shutter (1) being provided with a detection unit (15) and with an alarm (17), characterised in that said detection unit comprises means adapted to transmit a detection signal (Sd) to said control unit (14) when said distal slat (11) is the subject of an acceleration or deceleration in at least the displacement direction of said shutter, the amplitude of which is greater than a threshold value, said alarm (17), when activated, actuates its alarm warning means (17b) when, said distal slat (11) being in a predetermined position in which said shutter (1) is partially or fully closed, said detection unit (15) emits said detection signal (Sd).
- Roller shutter system according to claim 1, characterised in that said control unit (14), on receiving said detection signal (Sd), compares the position reached at that moment by said distal slat (11) with one or more positions of full or partial closure of said shutter (1) and, when that position does not correspond to said closure position or to one of said closure positions, controls the motor (13) so that the shutter (1) is raised by a few centimetres.
- Roller shutter system according to claim 1 or 2, characterised in that, when said motor (13) is stopped, said control unit (14) is in a rest position in which it can control the electric motor (13) in rotation only when ordered to do so by the user.
- Shutter system according to any one of the preceding claims, characterised in that said detection unit (15) comprises a detection circuit (151) provided to be able to measure accelerations or decelerations in at least the displacement direction of said shutter (1), a control unit (152) provided to deliver a detection signal (Sd) when the or a signal delivered by said detection circuit (151) has a value representing an acceleration or deceleration, the amplitude of which is greater than a given threshold value, and a radiofrequency emitter (154) to emit said detection signal (Sd).
- Shutter system according to claim 4, characterised in that said detection circuit (151) is of the MEM type.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0708535A FR2924742B1 (en) | 2007-12-07 | 2007-12-07 | ROLLING SYSTEM |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2067922A1 EP2067922A1 (en) | 2009-06-10 |
| EP2067922B1 true EP2067922B1 (en) | 2014-03-26 |
Family
ID=39591607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20080170648 Revoked EP2067922B1 (en) | 2007-12-07 | 2008-12-04 | Roller shutter system |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2067922B1 (en) |
| ES (1) | ES2484167T3 (en) |
| FR (1) | FR2924742B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103109245A (en) * | 2010-09-15 | 2013-05-15 | Somfy两合公司 | Extra-flat stand-alone communicating sensor |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2955956B1 (en) * | 2010-02-04 | 2013-06-28 | Somfy Sas | MOTION SENSOR FOR DOMOTIC DEVICE. |
| CN102635304B (en) * | 2012-04-26 | 2014-05-14 | 上海实业交通电器有限公司 | Method for controlling automobile sunshade |
| JP6710073B2 (en) * | 2016-03-28 | 2020-06-17 | 文化シヤッター株式会社 | Switchgear and switchgear monitoring system for monitoring the switchgear |
| DE102017102614A1 (en) * | 2017-02-09 | 2018-08-09 | Efaflex Tor- Und Sicherheitssysteme Gmbh & Co. Kg | Door panel crash detection system, door panel crash detection system, and door panel crash detection method |
| DE102017102599A1 (en) * | 2017-02-09 | 2018-08-09 | Efaflex Tor- Und Sicherheitssysteme Gmbh & Co. Kg | Gate with an intelligent door leaf, which has an electrically self-contained Torblatteinrichtung, and method for this |
| EP3745536B1 (en) * | 2018-01-22 | 2023-08-02 | Kyocera Corporation | Relay device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2822888B1 (en) * | 2001-03-30 | 2003-05-23 | Bubendorff Volet Roulant | ROLLING SHUTTER OF WHICH THE APRON INCORPORATES A DETECTION DEVICE, IN PARTICULAR OF AN OBSTACLE AND / OR AFFRACTION |
-
2007
- 2007-12-07 FR FR0708535A patent/FR2924742B1/en not_active Expired - Fee Related
-
2008
- 2008-12-04 EP EP20080170648 patent/EP2067922B1/en not_active Revoked
- 2008-12-04 ES ES08170648.3T patent/ES2484167T3/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103109245A (en) * | 2010-09-15 | 2013-05-15 | Somfy两合公司 | Extra-flat stand-alone communicating sensor |
| CN103109245B (en) * | 2010-09-15 | 2016-07-27 | Somfy两合公司 | The independent communication sensor of especially flat |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2067922A1 (en) | 2009-06-10 |
| FR2924742A1 (en) | 2009-06-12 |
| ES2484167T3 (en) | 2014-08-11 |
| FR2924742B1 (en) | 2009-11-27 |
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