Connected car seat

Abstract

A motor vehicle seat (1) is proposed, comprising:- a device (11) having a controllable function, and- an electronic control unit (10), comprising:- a local radio wave communication interface (100) configured to receive digital data from a communication device (2) separate from the motor vehicle, and- a control module (121), connected on the one hand to the communication interface (100) and on the other hand to the device (11) having a controllable function, the control module (121) being configured to control the controllable function on the basis of the received digital data. Abstract figure: Figure 1

Description

Title of the invention: Connected motor vehicle seat Technical field

[0001] The present disclosure relates to the field of motor vehicle equipment, in particular motor vehicle seats. Prior art

[0002] On-board computers (or electronic control units) in motor vehicles are continually being enhanced with additional features.

[0003] For example, it is currently possible, by means of safety systems equipped with suitable sensors, to determine or predict a level of fatigue while driving and to alert the driver.

[0004] One limitation, however, is that users and owners of vehicles marketed before the mass production of such safety systems do not have the opportunity to benefit from the associated functionalities.

[0005] First, their vehicles generally cannot be equipped with such systems.

[0006] Second, actuators capable of producing alert or wake-up signals are not part of the vehicle's original equipment. Even if these actuators are added subsequently, they cannot be connected to detection and processing systems capable of activating them.

[0007] There is therefore a need for motor vehicle equipment that could be easily integrated into an older vehicle and offer functionalities usually reserved for users or owners of more recent and advanced vehicles. Summary

[0008] The present disclosure improves the situation.

[0009] There is provided a motor vehicle seat, comprising - a device having a controllable function, and - an electronic control unit, comprising: a local radio wave communication interface configured to receive digital data from a communication device separate from the motor vehicle, and a control module, connected on the one hand to the communication interface and on the other hand to the device having a controllable function, the control module being configured to control the controllable function on the basis of the received digital data.

[0010] By “device having a controllable function” is meant any device, integrated into the seat, capable of receiving control instructions from the control module and, in response, of varying at least one given parameter at the level of the seat as a whole, or at the level of a part of the seat, or even at the level of the vicinity of the seat.

[0011] For example, the device having a controllable function may be a pneumatic device integrated into the seat. An example of an associated controllable function is a function for massaging the back of a user of the seat. Examples of corresponding variable parameters include the total duration, intensity or frequency of deformations of a surface of the seat intended to be in contact with the back of the user of the seat.

[0012] For example, the device having a controllable function may be a ventilation device integrated into the seat. The associated controllable function is the ventilation. A corresponding variable parameter is the air flow in the immediate vicinity of the seat, which may have several possible intensity levels when the ventilation is activated, or be zero when the ventilation is deactivated.

[0013] The communication device separate from the seat may for example be a laptop, or a touch tablet, or even a multifunction telephone. Such devices are very widespread and generally have multiple wireless communication capabilities.

[0014] It is possible to install on such devices specific applications, intended to communicate with the communication interface integrated into the electronic control unit of the seat. Such applications can also provide a human-machine interface, for example coupled with a graphical interface, allowing the user to trigger the control of any controllable function of his choice.

[0015] Thanks to the local radio wave communication interface and the specific configuration of this interface, the seat is capable of operating autonomously with respect to the pre-existing devices within the motor vehicle.

[0016] In other words, the electronic control unit of the seat does not need to communicate with any device of the vehicle in which the seat is installed.

[0017] The seat can therefore offer the same functionalities regardless of the motor vehicle in which it is installed.

[0018] The features set out in the following paragraphs may, optionally, be implemented, independently of one another or in combination with one another:

[0019] The controllable function can for example be chosen from the following list: - a vibration of at least one part of the seat, - a deformation of at least one part of the seat, - an adjustment of a position of at least one part of the seat, - heating of a vicinity of the seat, - ventilation of the vicinity of the seat, and - sound reproduction near the seat.

[0020] Such a list is not exhaustive; in general, the seat can be equipped with one or more devices, each having a controllable function.

[0021] It can thus be provided, in response to different types of respective commands, to alert the user by means of vibrations, to adjust the position of the seat at the lumbar level, to massage the user's back, to heat the seat, to restore channels of a multi-channel sound system, etc.

[0022] For this, different control modules (logical or physical) may be provided, each dedicated to controlling a controllable function of a corresponding device of the seat.

[0023] In this sense, the electronic control unit can be configured to: - carry out an identification of the controllable function among a set of predetermined controllable functions on the basis of the digital data received, and - activate the control module based on identification.

[0024] The control logic resulting in the determination of a control instruction may be located exclusively upstream of the electronic control unit of the seat. For example, the received digital data may comprise a control instruction for the controllable function, and the control module may be configured to control the controllable function by applying said instruction

[0025] Alternatively, the control logic resulting in the determination of a control instruction may be located partly, or totally, within the electronic control unit of the seat. For example, the electronic control unit may be configured to determine a control instruction for the controllable function on the basis of the received digital data and at least one predetermined rule, and the control module may be configured to control the controllable function by applying said instruction

[0026] Alternatively, an integrated communication device may be provided, in which: - the integrated communication device comprises a human-machine interface connected to a dedicated local radio wave communication interface, and - the integrated communication device is configured to obtain interaction data via the human-machine interface and to transmit said interaction data to the communication device separate from the motor vehicle via the dedicated interface in order to trigger the transmission of the digital data by the communication device separate from the motor vehicle.

[0027] The human-machine interface may be, for example, tactile or vocal and may allow the user to control the operation of the function of his choice via the vehicle's separate communication device.

[0028] The electronic control unit may further be configured to transmit a message, via the communication interface, to the communication device separate from the motor vehicle, depending on an implementation of the control of the function controllable by the control module.

[0029] Such a message may be, for example, a response, or an acknowledgment of receipt, to the received digital data. Such a message may also be a signal indicating a current state of the device having a controllable function. For example, a massage program may be triggered, and at the end of this program, the electronic control unit may emit a message signaling that the device responsible for the massage function is available again. For example, if the seat is equipped with a device exhibiting a temporary malfunction, it may be provided that the electronic control unit signals such a malfunction.

[0030] The device having a controllable function can be integrated into the seat permanently or, on the contrary, be a device integrated into a removable component of the seat, that is to say into a component itself integrated into the seat in a removable manner.

[0031] Thus, it is possible, for example, to provide that certain components of the seat are replaceable, or that certain non-essential components of the seat are optional and can be added during the lifetime of the seat. One advantage is to give the seat scalability in terms of the range of functions that can be offered to the occupant.

[0032] If the component hosting it is itself removable, then such a device having a controllable function is capable of being connected - in a removable manner - to a control module of said controllable function, for example via a wired data link or by local radio waves.

[0033] The received digital data may be of various types, and may in particular include digital data relating to an occupant. For example, it may be preferences of the occupant, or morphological data of the occupant, affecting a function of adjusting the position or shape of the seat to achieve a desired body disposition. The control module may be configured to control such an adjustment function on the basis of said digital data relating to an occupant. It may in particular be digital data indicative of heart rate measurements of an occupant. For example, it may be directly a heart rate reading of the occupant, or any other digital data derived from such a reading. Such measurements may be from a communication device such as a smartwatch associated with the occupant and including a heart rate sensor.

[0034] According to another aspect, there is provided a method, implemented by an electronic control unit integrated into a motor vehicle seat, for controlling a controllable function of a device integrated into the motor vehicle seat, the method comprising: - reception, via a local radio wave communication interface of the electronic control unit, of digital data from a communication device separate from the motor vehicle, and - a control of the function controllable by a control module of the electronic control unit on the basis of the digital data received.

[0035] This method is implemented, strictly, within the seat of the motor vehicle.

[0036] The device having said controllable function may be a removable device, and the method may comprise, prior to receiving the digital data, integrating the device into the seat in a removable manner.

[0037] According to another aspect, a method is proposed for remotely controlling a controllable function of a device integrated into a motor vehicle seat, the method being implemented by a communication device separate from a motor vehicle, said communication device comprising a communication interface by local radio waves, the method comprising: - a transmission, by said communication interface, of digital data to a corresponding communication interface of an electronic communication unit integrated into a motor vehicle seat, said transmitted digital data being capable of causing a command of said function controllable by a control module of said electronic control unit.

[0038] This method is implemented in a manner strictly independent of any possible communication device of the vehicle, such as an electronic control unit of the vehicle.

[0039] According to another aspect, there is provided a computer program comprising instructions for implementing all or part of a method as defined herein when this program is executed by a processor. According to another aspect, there is provided a non-transitory, computer-readable recording medium on which such a program is recorded. Brief description of the drawings

[0040] Other characteristics, details and advantages will appear on reading the detailed description below, and on analyzing the attached drawings, in which: Fig.l

[0041] [Fig.l] shows a communication system between a motor vehicle seat and a device separate from the vehicle according to one embodiment. Fig. 2

[0042] [Fig.2] schematically represents the different logic modules and the different interfaces of the system of [Fig.l], according to one embodiment. Fig. 3

[0043] [Fig.3] shows a method of controlling a motor vehicle seat according to one embodiment. Description of the embodiments

[0044] The invention relates to a motor vehicle seat, this seat having one or more controllable functions.

[0045] This means that these functions can be activated or deactivated, for example.

[0046] These functions may, for example, allow for several modes or configurations. The seat may, for example, have different position settings, and in particular provide different pre-recorded positions. In a simplified manner, it is possible to consider, among these pre-recorded positions, a first lying position and a second sitting position in a base of default positions. Alternatively, it is possible to consider, among these pre-recorded positions, a first position associated with a first driver and a second position associated with a second driver in a preference model. An example of a controllable function may be the position of the seat, which can thus be controlled to switch, discreetly or continuously, from the first to the second pre-recorded position.

[0047] The seat is also backward compatible with motor vehicle models that did not originally provide such functions. That is to say, in particular, the seat does not require, for the control of the controllable function(s), interaction with any device of the vehicle, such as an electronic control unit of the vehicle.

[0048] For this purpose, the seat comprises a local radio wave communication interface configured to receive digital data from a communication device separate from the vehicle. The seat also comprises one or more devices having a controllable function, as well as one or more control modules configured to control this or these functions on the basis of the aforementioned digital data.

[0049] Continuing with the above example relating to a seat having several pre-recorded positions, it is possible that the received digital data contains digital data relating to different possible occupants, such as data indicative of the morphology of these possible occupants.

[0050] Thus, it is possible to provide, at the seat level, to select a particular pre-recorded position as a function of the digital data relating to a particular occupant, and to control a mechanism capable of modifying the position of the seat until reaching the selected position.

[0051] Generally, it is possible to define, at the level of the communication device separate from the vehicle, different digital data relating to an occupant. Thus, whenever this is of interest for the control of any function of a device integrated into the seat, the relevant data relating to the occupant can be transmitted to the seat in order to cause the control of this function.

[0052] Reference is now made to [Fig. 1], which describes a wireless communication system involving in particular a motor vehicle seat (1) and a first communication device (2), in this case a multifunction telephone.

[0053] This first communication device (2) is, necessarily, distinct from the vehicle. That is to say, it does not constitute an entity integrated into the vehicle, such as an electronic control unit of the vehicle or a peripheral having a permanent link with such an entity integrated into the vehicle.

[0054] A first channel (4) for communication by local radio waves is also provided to connect this seat (1) and this communication device (2). This first channel (4) is a digital data transfer link.

[0055] Different wireless communication standards are applicable for this communication channel, in particular Bluetooth™ or Wi-Fi™.

[0056] It is understood that the first communication channel (4) is at least configured to convey digital data from the communication device (2) to the seat (1), and can optionally allow two-way communication.

[0057] Also optionally represented is a second communication device (3), in this case a connected watch which can communicate with the first communication device (2) by means of a second communication channel (5).

[0058] The second communication channel (5) may generally be a wireless link using the same standard as the first communication channel (4), or a wireless link using a different standard, or even a wired link.

[0059] In an exemplary embodiment, we consider: - as a first communication device (2), a multifunction telephone associated with its owner, and - as a second communication device (3), a connected watch associated with its wearer.

[0060] It is also considered that, when setting up the first communication channel (4), by any known means, the driver of the vehicle and the owner of the telephone could have been identified, or be deemed to have been identified as being the same person. Similarly, when setting up the second communication channel (5), the owner of the phone could be identified or considered to also be the wearer of the watch.

[0061] Finally, it is considered that the telephone has an integrated processing circuit enabling it to emit, process, transmit and receive digital data via these communication channels (4, 5), and that the watch has a heart rate sensor and a processing circuit configured so as to enable it to take heart rate measurements and transmit them via the second communication channel (5).

[0062] Thus, the watch can record the heart rate of its wearer as a function of time and communicate these readings, gradually or in groups, to the telephone via the second communication channel (5). On the basis of these readings, it can be provided that the telephone implements an algorithm for detecting a state of fatigue of the wearer. When such a state of fatigue is detected, it can be provided that the telephone informs the headquarters (1) by means of a transmission of digital data conveyed through the first communication channel (4).

[0063] Following receipt of this digital data, the seat (1) can trigger, for example, a vibration intended to alert the driver of his state of fatigue.

[0064] The specific decision to activate a vibrator at the seat (1) can be determined either by the telephone or by the seat itself.

[0065] In the first case, the telephone decides, on the basis of the detected state of fatigue, to instruct the seat to activate a specific vibrator. The digital data transmitted to the seat therefore contains instructions to activate, specifically, such a vibrator. However, this ideally requires that the telephone has knowledge of the list of devices integrated into the seat and the associated controllable functions. Such knowledge can be acquired by means of an exchange between the telephone and the seat, or be provided by the owner of the telephone, or even be accessible via a digital network service.

[0066] In the second case, the digital data transmitted to the seat are simply indicative of the driver's state of fatigue and do not include any specific instructions to any device of the seat having a controllable function. The seat (1) has parallel access to predetermined instructions allowing it to process the digital data received and, as a result of this processing, to decide to activate this or that device of the seat having a controllable function, for example a vibrator.

[0067] In both cases, the digital data transmitted at the level of the first communication device (2) are such as to cause the control of the controllable function at the level of the seat (1).

[0068] Different physical and logical bricks underlying the embodiments set out above are detailed below in connection with [Fig.2].

[0069] The seat (1) comprises at least one electronic control unit (10) and an integrated device (11), having a controllable function.

[0070] The electronic control unit (10) comprises at least: - a communication interface (100) configured to receive the digital data transmitted by the first device (2) separate from the vehicle, and - a control module (121) configured to control the controllable function on the basis of the received digital data.

[0071] In other words, if we consider for example that the controllable function is a vibration of a part of the seat (1) and that the integrated device (11) is a vibrator arranged against said part of the seat, then the control module (121) is configured, for example, to control the activation or deactivation of this vibrator on the basis of a computer processing of the digital data received.

[0072] This computer processing can be a simple reading of the digital data received when these directly contain an instruction aimed at activating or deactivating a specific vibrator, or at controlling its operation in any way.

[0073] This computer processing may be more complex and include local decision-making at the level of the electronic control unit (10), for example by applying a predetermined rule to the received digital data, resulting in in situ generation of a command aimed at activating or deactivating a specific vibrator, or controlling its operation in any way.

[0074] A general advantage linked to computer processing, at the level of the electronic control unit of the seat (10), more complex than a simple reading of the digital data emitted by the first device (2) is that this data can be generic and address different models of seats.

[0075] The interpretation of such generic digital data may then be different depending on the seat model considered, depending on the nature of the devices integrated into each seat model, depending on the current status of these integrated devices, or even depending on the nature of the controllable functions associated with these integrated devices.

[0076] Thus, in an exemplary embodiment, the electronic control unit (10) of the seat may comprise different control modules (121, 122, 123), each dedicated to the control of a controllable function from among the range of controllable functions offered by a set of devices (11, 12, 13) integrated into the seat.

[0077] For example, we can consider: - a first control module (121) responsible for triggering an alert to the driver when a state of excessive fatigue is detected, - a second control module (122) responsible for triggering a massage of the driver's back, and - a third control module (123) responsible for heating part of the seat.

[0078] It can also be considered that the seat (1) comprises: - a vibrator as a first device (11) having a controllable function, - a pneumatic device, arranged in the back of the seat (1), as a second device (12) having a controllable function, and - a heating device, as a third device (13) having a controllable function.

[0079] These devices can be permanently integrated into the seat, or be integrated into removable components, i.e. for example replaceable or able to be added during the lifetime of the seat.

[0080] It is thus possible to consider that the electronic control unit comprises one or more control modules capable of being connected to one or more devices having a controllable function, this or these devices being integrated into removable components of the seat, so as to allow the control, by this or these control modules, of one or more controllable functions associated with this or these devices.

[0081] Thus, the first control module (121) may be able to control only the vibrator, while the second control module (122) may be able to control both the vibrator and the pneumatic device, separately or jointly, and the third control module (123) may be able to control only the heating device.

[0082] The electronic control unit may also comprise an identification module (110) for one or more functions to be controlled. Such a module firstly analyses the digital data received via the communication interface (100) to identify the function to be controlled. Secondly, the identification module (110) activates the control module dedicated to controlling the identified function.

[0083] Continuing with the previous example, the identification module (110) can, for example, analyze the received digital data and identify, on this basis, this digital data as being linked to the driver's back massage function. For this, the identification module can, for example, have access to a correspondence table associating, with different controllable functions offered by the seat (1), a corresponding identifier expected within the digital data to be analyzed. On the basis of a detection of such a correspondence, the identification module (110) transfers the analyzed digital data to the second control module (122).

[0084] The same type of logic can be applied again at the level of the control modules themselves. For example, a given control module can in turn analyze the digital data in question and identify, on the basis of this new analysis, a particular instruction or a particular type of instruction.

[0085] For example, the second control module (122) may have access to a correspondence table associating, with different pre-recorded massage programs, a corresponding identifier expected within the digital data to be analyzed. Based on a detection of such a correspondence, the second control module may generate specific instructions associated with the pre-recorded massage program concerned. The second control module then transmits these specific instructions to the vibrator and / or the pneumatic device.

[0086] The first communication device (2) separate from the vehicle comprises at least one communication interface (22) with that (100) of the electronic control unit (10) of the seat.

[0087] Optionally, this first communication device (2) separate from the vehicle integrates a data processing circuit, i.e. a combination of a processor (21) and a memory (25) connected to said communication interface (22). Such a data processing circuit is required for the first communication device (2) to generate the digital data transmitted to the seat (1).

[0088] Optionally, this first communication device (2) distinct from the vehicle integrates one or more other communication interfaces (23, 24) allowing it, at least, to receive digital data in the presence of any other communication device. It is possible for such a first communication device (2) to be devoid of a data processing circuit, or to comprise such a data processing circuit without however exploiting it, and thus fulfill the function of a simple communication relay.

[0089] Optionally, the seat may itself comprise a second communication device (14), separate from its electronic control unit (10), and optionally not having a direct connection with said electronic control unit.

[0090] Such a second communication device necessarily comprises an integrated communication interface (141) configured for example to communicate, directly or indirectly via a third communication channel (6), with a corresponding communication interface (23) of the first communication device (2).

[0091] Such a second communication device may also comprise a human-machine interface (142). Such an interface is for example vocal in the form of a loudspeaker integrated into the seat, coupled to a voice identification module, or tactile in the form of a button, or other, integrated into any surface of the seat. Such an interface is capable of triggering, following an interaction with the driver, the emission, by the integrated communication interface (141), of signals to destination of the first communication device (2). These signals can in turn trigger the transmission, by the first device (2), of digital data on the basis of which one or more control modules (121, 122, 123) of the seat then control one or more functions controllable via one or more devices integrated into the seat (11, 12, 13).

[0092] Reference is now made to [Fig. 3], which illustrates an example of a method for controlling a controllable function of a device (11) of the seat (1) of a motor vehicle. This method is implemented by the electronic control unit (10) of the seat.

[0093] The communication interface (100) receives (SI), at a current time, digital data from the first device (2).

[0094] Optionally, these data are analyzed (S2) initially by an identification module in order to analyze the controllable function to be controlled and to activate a specific control module concerned. This optional step concerns the case where the seat is multifunctional and where the electronic control unit has a specific architecture such that each controllable function is assigned to a dedicated control module. Obviously, other architectures are possible.

[0095] The received digital data, possibly having been the subject of the above analysis and / or any applicable intermediate computer processing (decryption, decoding, filtering, etc.), are processed by one or more control modules (121, 122, 123). This or these processing operations lead the control module(s) to control (S3) one or more devices (11, 12, 13) integrated into the seat in order to control one or more controllable functions offered by one or more of these devices (11, 12, 13).

[0096] Optionally, the electronic control unit (10) of the seat can be configured to transmit (S4) a message to the first device (2). Such transmission can be provided at any time after reception (SI) of the digital data.

[0097] Such a message may for example be an acknowledgment of receipt attesting to the correct reception of the digital data, be a report indicating the nature of the control carried out on the basis of the digital data received, express a conflict between the control to be carried out on the basis of the digital data received and a pre-existing request received by the seat (1), signal any error, such as a malfunction of one of the devices (11, 12, 13) integrated into the seat, or even request a new sending of digital data or a confirmation of the digital data received.

Claims

Claims

1. Motor vehicle seat (1), comprising: - a device (11) having a controllable function, and - an electronic control unit (10), comprising: a local radio wave communication interface (100) configured to receive digital data from a communication device (2) separate from the motor vehicle, and a control module (121), connected on the one hand to the communication interface (100) and on the other hand to the device (11) having a controllable function, the control module (121) being configured to control the controllable function on the basis of the digital data received, the seat further comprising an integrated communication device (14), in which: - the integrated communication device comprises a human-machine interface (142) connected to a dedicated local radio wave communication interface (141),and - the integrated communication device is configured to obtain interaction data via the human-machine interface and to transmit said interaction data to the communication device separate from the motor vehicle via the dedicated interface in order to trigger the transmission of the digital data by the communication device separate from the motor vehicle.,

2. Seat according to claim 1, in which the controllable function is chosen from the following list: - a vibration of at least one part of the seat, - a deformation of at least one part of the seat, - an adjustment of a position of at least one part of the seat, - heating of a vicinity of the seat, - ventilation of the vicinity of the seat, and - sound reproduction in the vicinity of the seat.

3. Seat according to claim 1 or 2, wherein the electronic control unit (10) is configured to: - carry out an identification of the controllable function from a set of predetermined controllable functions on the basis of the received digital data, and - activate the control module (121) on the basis of the identification.

4. Seat according to one of claims 1 to 3, in which: - the digital data received comprise a control instruction for the controllable function, and - the control module (121) is configured to control the controllable function by applying said instruction.

5. Seat according to one of claims 1 to 3, in which: - the electronic control unit (10) is configured to determine a control instruction for the controllable function on the basis of the digital data received and at least one predetermined rule, and - the control module (121) is configured to control the controllable function by applying said instruction.

6. Seat according to one of claims 1 to 5, in which the electronic control unit (10) is further configured to transmit a message, via the communication interface (100), to the communication device (2) separate from the motor vehicle, as a function of an implementation of the control of the function controllable by the control module (121).

7. Seat according to one of claims 1 to 6, in which the device (11) having a controllable function is integrated into a removable component of the seat.

8. Seat according to one of claims 1 to 7, wherein the received digital data comprises digital data relating to an occupant, and the control module (121) is configured to control the controllable function on the basis of said digital data relating to an occupant.

9. A seat according to claim 8, wherein the digital data relating to the occupant is indicative of heart rate measurements of the occupant.

10. Seat according to claim 9, wherein said measurements come from a connected watch associated with the occupant and comprising a heart rate sensor.

11. Method, implemented by an electronic control unit integrated into a motor vehicle seat, for controlling a controllable function of a device integrated into the motor vehicle seat, the seat further comprising an integrated communication device (14), in which the integrated communication device comprises a human-machine interface (142) connected to a dedicated interface (141) for communication by local radio waves, the method comprising: - following obtaining interaction data by the integrated communication device via the human-machine interface and following transmission, by the integrated communication device, of said interaction data to a communication device separate from the motor vehicle via the dedicated interface, reception (SI), by a local radio wave communication interface of the electronic control unit, of digital data from said communication device separate from the motor vehicle, and - control (S3) of the function controllable by a control module of the electronic control unit on the basis of the received digital data.

12. Method according to claim 11, in which the device having said controllable function is a removable device, and the method comprising, prior to the reception (SI) of the digital data, an integration of the device into the seat in a removable manner.

13. Method for remotely controlling a controllable function of a device integrated into a motor vehicle seat, the seat further comprising an integrated communication device (14), in which the integrated communication device comprises a human-machine interface (142) connected to a dedicated interface (141) for communication by local radio waves, the method being implemented by a communication device (2) separate from a motor vehicle, said communication device separate from the motor vehicle comprising an interface (22) for communication by local radio waves, the method comprising: - following an obtaining of interaction data by the integrated communication device via the human-machine interface and following a transmission, by the integrated communication device, of said interaction data to the communication device separate from the motor vehicle via the dedicated interface, a transmission,by said communication interface (22), digital data intended for a corresponding communication interface of an electronic communication unit integrated into a seat (1) of a motor vehicle, said transmitted digital data being capable of causing a command of said function controllable by a control module of said electronic control unit.,

14. Computer program comprising instructions for implementing implementation of the method according to one of claims 11 to 13 when this program is executed by a processor.

15. Non-transitory recording medium readable by a computer on which is recorded a program for implementing the method according to one of claims 11 to 13 when this program is executed by a processor.

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