Haptic feedback solution for one or more elevator systems

Abstract

The invention relates to a method for a haptic feedback system (100) of one or more elevator systems (101). The method comprises detecting (210) a user indication provided via a user interface device (102) of one of the one or more elevator systems (101), receiving (220) at least one status information, and generating (230) a haptic output signal via the user interface device (102) in dependence on the at least one status information. The invention also relates to a control unit, a haptic feedback system and a computer program at least partially performing the method.

Description

[0001] This application is a divisional application of Chinese invention patent application (application number: 201980101316.0, application date: November 20, 2019, invention title: haptic feedback solution for one or more elevator systems). Technical Field

[0002] This invention generally relates to the technical field of elevators. In particular, this invention relates to user interface devices for elevators. Background Technology

[0003] Typically, an elevator system may have several user interface devices that allow users, such as passengers, to interact with the elevator system. These user interface devices are usually located in one elevator car, such as the car control panel, and another on a floor, such as a floor call panel. The user interface devices may include input devices for requesting services from the elevator system, such as buttons. The requested services may include, for example, requesting transportation from the elevator system, requesting to open / close a door, requesting a communication connection with a contact center, indicating an emergency, and so on.

[0004] In modern elevator systems, touch devices, such as touchscreens, replace physical input devices with panels. Touch devices can also provide tactile output, which can at least be detected by the user. Summary of the Invention

[0005] The following is a simplified overview to provide a basic understanding of some aspects of various embodiments of the invention. This overview is not a comprehensive summary of the invention. It is neither intended to identify key or main elements of the invention nor to describe the scope of the invention. The following overview presents only some concepts of the invention in a simplified form as a prelude to a more detailed description of exemplary embodiments of the invention.

[0006] The object of this invention is to provide a method, control unit, haptic feedback system, and computer program for one or more elevator systems. Another object of this invention is that the method, control unit, haptic feedback system, and computer program for one or more elevator systems enable dynamic control of the haptic feedback of a user interface device.

[0007] The object of the present invention is achieved by the method, control unit, haptic feedback system and computer program as defined by the respective independent claims.

[0008] According to a first aspect, a method for a haptic feedback system for one or more elevator systems is provided, wherein the method includes: detecting a user instruction provided via a user interface device of one or more elevator systems, receiving at least one status information, and generating a haptic output signal via the user interface device based on the at least one status information.

[0009] The generated tactile output signal may include one or more features specific to the state.

[0010] One or more characteristics of the tactile output signal may include amplitude, duration, and / or pattern.

[0011] The at least one status information may include: the status of the building where the elevator system, including the user interface device, is located; the status of the user of the user interface device; the status of the user interface device; and / or the status based on the topic.

[0012] In addition, the status of a building may depend on the type of building, the type of destination floor, the destination floor number, or the time of day.

[0013] Alternatively or additionally, the user's status can be detected based on data received from at least one sensor device located near the user interface device and / or by using access control.

[0014] Alternatively or additionally, the state of the user interface device may be detected based on data received from at least one sensor of a touch-based input device of one or more user interface devices, wherein the at least one sensor of the touch-based input device is arranged to detect the force received by the touch-based input device.

[0015] According to a second aspect, a control unit for a haptic feedback system for one or more elevator systems is provided, wherein the control unit is configured to: detect a user instruction provided via a user interface device of one or more elevator systems, receive at least one status information, and generate a haptic output signal via the user interface device based on the at least one status information.

[0016] The generated tactile output signal may include one or more features specific to the state.

[0017] One or more characteristics of the tactile output signal may include amplitude, duration, and / or pattern.

[0018] The at least one status information may include: the status of the building where the elevator system, including the user interface device, is located; the status of the user of the user interface device; the status of the user interface device; and / or the status based on the topic.

[0019] In addition, the status of a building may depend on the type of building, the type of destination floor, the destination floor number, or the time of day.

[0020] Alternatively or additionally, the user's status can be detected based on data received from at least one sensor device located near the user interface device and / or by using access control.

[0021] Alternatively or additionally, the state of the user interface device may be detected based on data received from at least one sensor of a touch-based input device of one or more user interface devices, wherein the at least one sensor of the touch-based input device is arranged to detect the force received by the touch-based input device.

[0022] According to a third aspect, a tactile feedback system for one or more elevator systems is provided, wherein the tactile feedback system includes: one or more user interface devices for one or more elevator systems, and the aforementioned control unit.

[0023] The one or more user interface devices may be disposed on at least one of the following: an elevator car, or the surface of a building where an elevator system including the one or more user interface devices is located.

[0024] According to a fifth aspect, a computer program is provided, wherein when executed by at least one processor, the computer program causes the control unit of the haptic feedback system to perform the above-described method.

[0025] The various constructions and methods of operation of the invention, as well as the various exemplary and non-limiting embodiments with their additional objects and advantages, will be best understood when the following description of specific exemplary and non-limiting embodiments is read in conjunction with the accompanying drawings.

[0026] The verbs “comprising” and “including” are used herein as open-ended restrictions, neither excluding nor requiring the presence of any undescribed features. Unless otherwise expressly stated, the features recited in the dependent claims may be freely combined with each other. Furthermore, it should be understood that the use of “a” or “an,” i.e., the singular form, throughout the text does not exclude a plurality. Attached Figure Description

[0027] In the accompanying drawings, embodiments of the invention are shown by way of example and not limitation.

[0028] Figure 1A An example of a haptic feedback system according to an embodiment of the present invention is illustrated schematically.

[0029] Figure 1B and 1C A non-limiting example of an elevator system is schematically shown, in which a haptic feedback system according to embodiments of the present invention may be arranged.

[0030] Figure 2 An aspect relating to the method according to an embodiment of the invention is illustrated schematically.

[0031] Figure 3 An example of a control unit according to an embodiment of the present invention is shown schematically. Detailed Implementation

[0032] Figure 1A An example of a haptic feedback system 100 according to an embodiment of the present invention is illustrated schematically. The haptic feedback system 100 may include one or more user interface devices 102 of one or more elevator systems 101 and a control unit 104 for providing dynamic haptic feedback to users of the one or more user interface devices 102. (See reference...) Figure 1B and 1C This can at least partially describe at least some aspects of embodiments of the present invention. Figure 1B and 1C A non-limiting example of one or more elevator systems 101 is shown, wherein a haptic feedback system comprising one or more user interface devices 102 and a control unit 104 of the one or more elevator systems 101 can be arranged. The one or more user interface devices 102 may be arranged on a surface 106 of a building 108, such as a wall, or on a surface 107 of an elevator car, such as one of the side walls. The foreground is a non-limiting example of the surface on which the user interface devices 102 may be implemented. Figure 1B In the example, the elevator car has reached an intermediate floor, and both the elevator car door and the intermediate floor landing door are open to expose the interior of the elevator car. The user interface device 102 disposed on the elevator car can be, for example, a car control panel. The user interface device 102 disposed on the surface 106 of building 108 can be, for example, a lobby control panel or a landing call panel.

[0033] exist Figure 1B In the example, a building 108 includes an elevator system 101, and a haptic feedback system 100 may be implemented in this elevator system 101 to provide dynamic haptic feedback to users of one or more user interface devices 102 of the elevator system 101. Alternatively, a building 108 may include two or more elevator systems 101, and the haptic feedback system 100 may be implemented in both or more elevator systems 101 to provide dynamic haptic feedback to users of one or more user interface devices 102 of the elevator system 101. Figure 1C In the example, each of the two buildings 108 includes an elevator system 101, and the haptic feedback system 100 can be implemented in both elevator systems 101 located in the two different buildings 108 to provide dynamic haptic feedback to users of one or more user interface devices 102 of the elevator systems 101. Alternatively, the haptic feedback system 100 can be implemented in multiple elevator systems 101 located in one or more buildings 108 to provide dynamic haptic feedback to users of one or more user interface devices 102 of the elevator systems 101. The foregoing is a non-limiting example of an elevator system 101 in which the haptic feedback system 100 can be implemented.

[0034] User interface device 102 may include a touch-based input device, such as a touch button or touchscreen, for requesting services from the elevator system 101 to which user interface device 102 belongs. The requested services may include, for example, requesting transportation from elevator system 101, requesting to open / close doors, requesting communication with a contact center, indicating an emergency, etc. Furthermore, the touch-based input device of user interface device 102 may be equipped with electronic devices, such as piezoelectric devices, like piezoelectric disks, adapted to provide at least tactile output detectable by the user. Additionally, according to some embodiments, user interface device 102 may be equipped with electronic devices adapted to provide any other detectable output by the user, such as visual or auditory output.

[0035] Figures 1A to 1C The control unit 104 shown can be arranged to at least partially control one or more user interface devices 102. The implementation of the control unit 104 can be as a standalone entity or as a distributed control environment among multiple standalone devices, such as multiple servers providing distributed control resources. Communication between the control unit 104 and one or more user interface devices 102 can be wired or at least partially wireless. According to an embodiment of the invention, the control unit 104 can be any dedicated, locally or remotely arranged control device, such as a server device, configured to perform the tasks of the control unit 104. According to another embodiment of the invention, the control unit 104 can be, for example, an elevator controller entity or part of an elevator controller entity, arranged to at least partially control at least some entities of one or more elevator systems 100. When the control unit 104 is at least part of an elevator controller, the haptic feedback system 100 can be implemented in the one or more elevator systems 101 controlled by the elevator controller. According to another embodiment of the invention, the control unit 104 can be an external control unit. Some non-limiting examples of external control units can be, for example, remote servers, cloud servers, computing circuits, or networks of computing devices. Here, an external unit refers to a unit separate from the elevator system 100. Figures 1A to 1C In the illustration, the control unit 104 and one or more user interface devices 102 are shown as separate units; however, according to embodiments of the invention, the control unit 104 may be at least partially included in one or more user interface devices 102. In other words, the control unit 104 may be at least partially implemented in one or more user interface devices 102. The control unit 104 may be implemented such that it is at least partially included in a single user interface device 102, or the control unit 104 may be implemented as a distributed control environment among multiple user interface devices 102.

[0036] According to an embodiment of the present invention, the control unit 104 can be communicatively connected to the elevator controller of one or more elevator systems 100 for receiving any elevator-related data. Communication between the control unit 104 and the elevator controller of one or more elevator systems 100 can be implemented at least partially in a wired or wireless manner.

[0037] Now, you can refer to Figure 2 To describe at least some aspects of the invention, in Figure 2 The method according to an embodiment of the present invention is illustrated schematically.

[0038] In step 210, a user instruction provided via a user interface device 102 of one or more elevator systems 101 can be detected. According to an embodiment of the invention, the user instruction can be provided in response to interaction between a user and one of the touch-based input devices of the user interface device 102. For example, in response to the detection of a touch on a touch button or touchscreen of the user interface device 102, such as with a finger or any other indicator, a request for service is made to the elevator system 101 to which the user interface device 102 belongs. According to another embodiment of the invention, the user interface device 102 may be equipped with one or more proximity sensors, and the user instruction can be provided in response to the detection by the one or more proximity sensors of an object (e.g., a user) near the user interface device 102 (i.e., within the operating area of ​​the one or more proximity sensors).

[0039] In step 220, at least one status information may be received. At least one status information may be received in response to a detected user instruction. This at least one status information may be received from the memory of the control unit 104, one or more sensor devices, any external entity, and / or any database.

[0040] According to embodiments of the present invention, at least one state information may include the state of building 108, in which elevator system 101, including user interface device 102, resides. The state of building 108 may depend on the type of building 108. Non-limiting examples of different types of building 108 may include residential buildings, office buildings, hospitals, nursing homes, libraries, hotels, shopping malls, etc. The state of building 108 depending on the type of building 108 may be predefined or selected during the configuration of elevator system 101 in building 108. The predefined or selected state of building 108 depending on the type of building 108 may be stored in the memory of control unit 104 and / or provided for storage in any external entity or database. Alternatively or additionally, the state of building 108 depending on the type of building 108 may be adjusted, i.e., changed during the use of elevator system 101. For example, if the purpose of use of building 108 changes from one type to another, the new state of building 108 depending on the type of building 108 may be redefined and stored in the memory of control unit 104 and / or provided for storage in any external entity or database.

[0041] Furthermore, the state of building 108 can depend on the destination floor type. Non-limiting examples of different types of destination floors could be spas, cinemas, offices, etc. The state of building 108 depending on the destination floor type can be predefined or selected during the configuration of the elevator system 101 within building 108. The predefined or selected state of the building depending on the destination floor type can be stored in the memory of control unit 104 and / or provided for storage in any external entity or database. Alternatively or additionally, the state of building 108 depending on the destination floor type can be adjusted, i.e., changed during the use of elevator system 101. For example, if the purpose of use of a floor changes from one type to another, the new state of the building depending on the destination floor type can be redefined and stored in the memory of control unit 104 and / or provided for storage in an external entity or database.

[0042] Furthermore, the state of building 108 can depend on the destination floor number. In other words, each floor of building 108 can have its own state.

[0043] Furthermore, the state of building 108 may depend on the time of day. In other words, it has its own state at each time of day. Control unit 104 can know the time of day, or control unit 104 can receive information indicating the time of day from an external entity.

[0044] According to another embodiment of the invention, at least one state information may alternatively or additionally include the state of the user of the user interface device 102 by providing a detected user indication. According to an embodiment of the invention, the haptic feedback system 100 may further include at least one sensor device, such as an optical imaging device, such as a camera, arranged near the user interface device 102. The at least one sensor device may be arranged near one or more user interface devices 102 such that the at least one sensor device can detect the user of the user interface device 102, i.e., detect within the operating area of ​​the at least one sensor device. Based on data received from the at least one sensor device, the user's state can be detected, i.e., identified. According to another embodiment of the invention, the haptic feedback system 100 may alternatively or additionally use access control to detect, i.e., identify the user's state. Access control may be based on the use of key cards; tags; identification codes; such as personal identification numbers (PINs), ID numbers; and / or biometric technologies, such as fingerprints, facial recognition, iris recognition, retinal scans, voice recognition, etc. The haptic feedback system 100 may be equipped with one or more devices arranged to provide access control-based identification of the user's state. Alternatively, the user's status can be detected, i.e., identified, based on data received from the access control system of one or more elevator systems 101, and the haptic feedback system 100 can be communicatively connected to the one or more elevator systems 101 in a wired or wireless manner. The user's status may depend on, but is not limited to, age, disability, location, etc.

[0045] According to another embodiment of the invention, the at least one state information may alternatively or additionally include the state of the user interface device 102. The state of the user interface device 102 can be derived from data received from the user interface device 102. One or more touch-based input devices of the user interface device 102 can detect force received by the touch-based input device, such as due to a touch on the touch-based input device of the user interface device 102, for example, with a finger or any other indicator. For example, one or more touch-based input devices of the user interface device 102 may each include at least one sensor device arranged to detect the force received by the touch-based input device by detecting the amount of bending of the touch-based input device due to a touch, for example, with a finger or any other indicator. The at least one sensor device may be, for example, but not limited to, a capacitive sensor, an inductive sensor, an electromagnetic sensor, a resistive sensor, a piezoresistive sensor, a piezoelectric sensor, an optical sensor, or a resonant-based sensor. Preferably, the at least one sensor device may be a piezoelectric sensor, such as a piezoelectric disc, and the same piezoelectric disc may also be used to provide a tactile output signal. This reduces the number of required components. The force detected by at least one sensor device can be stored in the memory of the control unit 104 and / or provided for storage in an external entity or database. According to embodiments of the invention, the force detected by at least one sensor device can be used for conditional monitoring of the operation of the touch-based input device and / or for diagnostics of the touch-based input device. For example, if one or more touch-based input devices are detected receiving greater force during monitoring and / or diagnostics, this may indicate that said one or more touch-based input devices are more likely to fail earlier than other touch-based input devices. Even before the touch-based input devices fail, these one or more touch-based input devices can be replaced with new touch-based input devices. Therefore, this also enables preventative maintenance. According to another embodiment of the invention, the detected force can be used to adjust the required activation force of one or more touch-based input devices. For example, if one or more touch-based input devices are detected receiving greater force, the required activation force of said one or more touch-based input devices can be adjusted, for example, by reducing it. This can improve the lifespan of the touch-based input device and / or at least partially prevent premature failure of the touch-based input device.

[0046] According to another embodiment of the invention, at least one status information may alternatively or additionally include a topic-based status. The topic-based status may originate from data received from an external entity, such as a content management system, infotainment system, any other external system, or database. Control unit 104 may be communicatively coupled to the external entity to receive data indicating the topic-based status from the external entity and to have at least some form of access to the external entity. Communication between control unit 104 and the external entity may be wired or at least partially wireless. Alternatively, the topic-based status may be manually indicated. The topic-based status may depend on, for example, but not limited to, visual advertisements displayed on one or more screens (e.g., information screens) in building 108, including elevator system 101 with user interface device 102 located in building 108.

[0047] In step 230, a tactile output signal via user interface device 102 can be generated based on at least one received state information. The tactile output signal can be, for example, a vibration-type output signal or any other tactile output signal detectable by the user. The generated tactile output signal can include one or more state-specific features. In other words, at least some of the at least one state information can include a specific tactile output signal of user interface device 102 that can be distinguished from other information in the at least one state information. One or more features of the tactile output signal can include amplitude, duration, and / or pattern. The amplitude of the tactile output signal can define the tactile output signal, i.e., the force or intensity of the tactile feedback. Some non-limiting examples of different patterns of the tactile output signal can be continuous, pulsed, buzzing, undulating, or any other suitable pattern. Pulsed tactile output signals can have different pulse widths and / or amplitudes. Some non-limiting examples of tactile output signals having one or more state-specific features can be: strong, gentle, calm, smooth, relaxing, clear, sharp, fast, undulating, tapping, pulsed, etc.

[0048] Next, at least some aspects of the invention will be described with reference to non-limiting examples of haptic feedback solutions.

[0049] According to a non-limiting example, if at least one state information includes the state of building 108, such as the type of building 108, a tactile output signal including features indicating calm and / or relaxation can be generated, for example, but not limited to, in a library or a high-end hotel. Meanwhile, a tactile output signal including features indicating strong tactile feedback can be generated, for example, but not limited to, in hospitals, nursing homes, or other buildings where disabled persons may frequently be present.

[0050] According to another non-limiting example, if at least one state information includes the state of building 108, such as the type of destination floor, a tactile output signal can be generated, which includes features indicating calm tactile feedback, such as wave-like feedback, for example, but not limited to, the destination floor being a spa floor.

[0051] According to another non-limiting example, if at least one status information includes the status of building 108, such as the destination floor number, then the haptic output signal includes features indicating the number of clicks, such as, but not limited to, clicks, corresponding to the destination floor number. For example, if the destination floor is the fifth floor, then the haptic output signal includes five clicks.

[0052] According to another non-limiting example, if at least one state information includes the state of building 108, such as the time of day, then a tactile output signal including features indicating calm and / or relaxing tactile feedback can be generated, for example, but not limited to, during peak hours, such as in the morning or afternoon. A tactile output signal including features indicating rapid or fast-pulsing tactile feedback can be generated, for example, but not limited to, during off-peak hours. This can improve the user experience by making elevator rides more comfortable.

[0053] According to another non-limiting example, if at least one status information includes the status of the user of the user interface device 102, a tactile output signal can be generated for, for example, but not limited to, an elderly or disabled person, the tactile output signal including features indicating strong and / or explicit tactile feedback. A tactile output signal including features indicating softer tactile feedback can be generated for others.

[0054] According to another non-limiting example, if at least one state information includes the state of the user interface device 102, a haptic output signal including features indicating strong and / or explicit haptic feedback can be generated to indicate too much force applied to a touch-based input device.

[0055] According to another non-limiting example, if at least one state information includes a topic-based state, then, for example, but not limited to, when an action movie is advertised on one or more screens of building 108, a tactile output signal including features indicating strong and / or sharp tactile feedback can be generated. A tactile output signal including features indicating calm and / or smooth tactile feedback can be generated, for example, but not limited to, when a romantic drama movie is advertised on one or more screens of building 108.

[0056] The above example discloses an example scenario with one received state information. However, alternatively, more than one state information can be received, and a tactile output signal can be generated via user interface device 102 based on a combination of two or more state information. According to a non-limiting example, if at least one state information includes the state of building 108, such as the destination floor number, and the state of the user of interface device 102, a tactile output signal can be generated that includes features such as indicating a strong and / or defined number of clicks corresponding to the destination floor number, for example, but not limited to, for an elderly person or a person with disabilities. A tactile output signal including features indicating softer tactile feedback can be generated for others. For example, if the destination floor is the fifth floor, the tactile output signal could include five strong and defined clicks for an elderly person. A tactile output signal could include five softer and better (i.e. less defined) clicks for others other than an elderly person.

[0057] Figure 3 A control unit 104 according to an embodiment of the present invention is schematically illustrated. The control unit 104 may include a processing unit 310, a storage unit 320, a communication interface 330, and other entities. The processing unit 310 may further include one or more processors arranged to perform one or more tasks for implementing at least a portion of the described method steps. For example, the processing unit 310 may be arranged to control the operation of one or more user interface devices 102 and any other entities of the present invention in the described manner. The storage unit 320 may be arranged to store computer program code 325, which, when executed by the processing unit 310, causes the control unit 104 to operate as described. Furthermore, as described above, the storage unit 320 may be arranged to store at least one status information and any other data. The communication interface 330 may be arranged, for example, under the control of the processing unit 310 to implement one or more communication protocols, enabling communication with external entities as described above. The communication interface may include necessary hardware and software components for implementing, for example, wireless and / or wired communication.

[0058] The aforementioned method, control unit 104, and haptic feedback system 100 enable dynamic control of the haptic feedback of the user interface device 102. Dynamic control means that the haptic feedback of the user interface device 102 can be changed or adjusted based on the user's state, the building's state, the user interface device's state, and / or the topic's state. This dynamic control of the haptic feedback of the user interface device 102 also enables customized and / or updatable haptic feedback.

[0059] The specific examples provided in the description above should not be construed as limiting the applicability and / or interpretation of the appended claims. Unless otherwise expressly stated, the list and groups of examples provided in the description above are not exhaustive.

Claims

1. A method for a haptic feedback system (100) for one or more elevator systems (101), the method comprising: The detection (210) detects user instructions provided via a user interface device (102) of one or more elevator systems (101). Receive (220) at least one status information, the at least one status information including at least one of user-based status, building-based status, user interface device-based status, and topic-based status, wherein the at least one status information is independent of user indications detected via the user interface device; and Based on the at least one state information, a tactile output signal is generated (230) via the user interface device (102). The haptic output signal is dynamically changed or adjusted based on at least one of the following: user-based state, building-based state, user interface device-based state, and topic-based state.

2. The method according to claim 1, wherein, The generated tactile output signal includes one or more features specific to the state.

3. The method according to claim 2, wherein, One or more characteristics of the tactile output signal include: amplitude, duration, and / or pattern.

4. The method according to claim 1, wherein, The status of the building (108) depends on the type of building (108), the destination floor type, the destination floor number, or the time of day.

5. The method according to claim 4, wherein, The user's status is detected based on data received from at least one sensor device located near the user interface device (102) and / or by using access control.

6. The method according to any one of claims 4-5, wherein, The state of the user interface device (102) is detected based on data received from at least one sensor of the touch-based input device of the one or more user interface devices (102), wherein the at least one sensor of the touch-based input device is arranged to detect the force received by the touch-based input device.

7. A control unit (104) for a haptic feedback system for one or more elevator systems (101), said control unit (104) being configured to: Detect user instructions provided via a user interface device (102) of one or more elevator systems (101). Receive at least one status information, the at least one status information including at least one of user-based status, building-based status, user interface device-based status, and topic-based status, wherein the at least one status information is independent of user indications detected via the user interface device, and Based on the at least one state information, a tactile output signal is generated via the user interface device (102). The haptic output signal is dynamically changed or adjusted based on at least one of the following: user-based state, building-based state, user interface device-based state, and topic-based state.

8. The control unit (104) according to claim 7, wherein, The generated tactile output signal includes one or more features specific to the state.

9. The control unit (104) according to claim 8, wherein, One or more characteristics of the tactile output signal include: amplitude, duration, and / or pattern.

10. The control unit (104) according to claim 7, wherein, The status of the building (108) depends on the type of building (108), the destination floor type, the destination floor number, or the time of day.

11. The control unit (104) according to claim 7, which detects the user's state based on data received from at least one sensor device arranged near the user interface device (102) and / or by using access control.

12. The control unit (104) according to any one of claims 7-11, wherein, The state of the user interface device (102) is detected based on data received from at least one sensor of the touch-based input device of the one or more user interface devices (102), wherein the at least one sensor of the touch-based input device is arranged to detect the force received by the touch-based input device.

13. A haptic feedback system (100) for one or more elevator systems (101), the haptic feedback system comprising: One or more user interface devices (102) of the one or more elevator systems (101), and The control unit (104) according to any one of claims 7-12.

14. The haptic feedback system according to claim 13, wherein, The one or more user interface devices (102) are arranged on at least one of the following: the surface (106) of an elevator car, or a building (108) where an elevator system (101) including the one or more user interface devices (102) is located.

15. A computer program (325) that, when executed by at least one processor, causes a control unit (104) of a haptic feedback system (100) to perform the method according to any one of claims 1 to 6.

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