DE102018213263A1 - Means of transportation, device and method for determining a probability of incorrect operation of a user interface - Google Patents

Means of transportation, device and method for determining a probability of incorrect operation of a user interface

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Publication number
DE102018213263A1
DE102018213263A1 DE102018213263.1A DE102018213263A DE102018213263A1 DE 102018213263 A1 DE102018213263 A1 DE 102018213263A1 DE 102018213263 A DE102018213263 A DE 102018213263A DE 102018213263 A1 DE102018213263 A1 DE 102018213263A1
Authority
DE
Germany
Prior art keywords
user
acceleration
jerk
probability
incorrect
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.)
Pending
Application number
DE102018213263.1A
Other languages
German (de)
Inventor
Thomas Gruber
Hans-Ulrich Stahl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Priority to DE102018213263.1A priority Critical patent/DE102018213263A1/en
Publication of DE102018213263A1 publication Critical patent/DE102018213263A1/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K37/00Dashboards
    • B60K37/04Arrangement of fittings on dashboard
    • B60K37/06Arrangement of fittings on dashboard of controls, e.g. controls knobs
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/017Gesture based interaction, e.g. based on a set of recognized hand gestures
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0346Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2370/00Details of arrangements or adaptations of instruments specially adapted for vehicles, not covered by groups B60K35/00, B60K37/00
    • B60K2370/16Type of information
    • B60K2370/167Vehicle dynamics information
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2370/00Details of arrangements or adaptations of instruments specially adapted for vehicles, not covered by groups B60K35/00, B60K37/00
    • B60K2370/18Information management
    • B60K2370/199Information management for avoiding maloperation

Abstract

A means of transportation (10), a device and a method for determining a probability of incorrect operation of a user interface (1) by a user are proposed. The method comprises the steps: • determining a jerk and / or an acceleration, • comparing the jerk and / or an acceleration with a threshold value (x "', y"', z '") and depending on a result of the comparison, • Determining the probability of incorrect operation for a user input at the user interface (1).

Description

  • The present invention relates to a means of transportation, a device and a method for determining a probability of incorrect operation of a user interface. In particular, the present invention relates to acceleration-related incorrect operation of a user interface by a user.
  • In the prior art, work machines, portable user terminals (wireless communication devices, smartphones, tablets, etc.) and means of transportation with user interfaces are known, in which, for example, buttons or control elements of a graphic nature are to be actuated by the user in order to trigger a function assigned to them. Unexpected and / or considerable accelerations can occur during the movement, in particular, which prevent successful actuation of the key / button, in particular at the moment of operation. For example, if the user is looking for a specific button area (within a button field composed of at least two button areas) while driving, driving through a pothole or driving over a bump can already lead to involuntary tapping of the button area and inadvertent operation of the user interface. For example, a key adjacent to the key addressed by the user can also be operated accidentally, since the user's finger has been moved relative to the user interface by the acceleration that has occurred.
  • DE 10 2016 219 166 A1 discloses a user interface and a method for supporting a user in operating the user interface, in conjunction with which the problem of vibrations as the cause of incorrect operation is also discussed.
  • Starting from the aforementioned prior art, it is an object of the present invention to make the operation of a user interface more convenient and targeted for the user.
  • The above-mentioned object is achieved according to the invention by a method for determining a probability of incorrect operation of a user interface by a user. A misoperation probability is understood as a quantity that provides information about how likely an unintentional or incorrect operation by the user has occurred. For example, the user can inadvertently make an entry or make an incorrect entry. In order to determine the probability of incorrect operation according to the invention, an acceleration and / or a jerk is first determined. The kinematic quantity jerk is defined as the time derivative of the acceleration. In other words, the jerk represents the second time derivative of the speed or the third time derivative of the location. The acceleration, or the jerk, can affect the user interface and / or the user. In the following, due to the descriptive nature of the term “jerk”, this is used to represent the alternatives “jerk” and / or “acceleration”. In particular, the jerk is to be understood as an indicator of a relative movement between the user's finger and the user interface. In other words, the jerk provides information about how likely the input medium (e.g. fingers, stylus, etc.) has made a movement in relation to the user interface that the user did not intend. In a second step, the jerk is compared with a threshold value which, for example, shows a maximum permissible amplitude of the jerk, a borderline temporal course of the acceleration over time or the like. can define. The threshold value can be understood as a predefined reference, which is stored in a memory of the user interface. Depending on a result of the comparison, the probability of incorrect operation of the user interface is automatically determined by the user. In other words, the threshold value is used as an indicator of whether incorrect operation of the user interface is likely or not due to the acceleration that has occurred. The determination of the probability of incorrect operation can therefore result in a categorization of the acceleration as to whether the user input received in connection with it in time is to be treated as intended or unintentional by the user. If necessary, a suitable measure can be taken based on the probability of incorrect operation. For example, the user may have to make the entry again to actually trigger the function.
  • The subclaims show preferred developments of the invention.
  • The misuse probability can preferably be assigned to the user input, for example by checking the temporal relationship between the acceleration or the jerk and the user input. For example, a jerk received after user input could not have influenced user input. The same applies to a jerk determined with sufficient advance notice for user input. In this context, it should also be pointed out that the probability of incorrect operation is based on the temporal relationship or using the temporal Relationship between the acceleration or the jerk and the user input can be determined. Here it is taken into account how strongly the user input was influenced by the jerk that occurred due to the temporal relationship. In this way, the best possible determination of the probability of incorrect operation can be made.
  • The user interface can be designed, for example, as a user interface permanently installed in a means of transportation. For example, a touchscreen in a dashboard and / or a user interface for recognizing gestures freely carried out in space can be monitored or supplemented in the manner according to the invention. Alternatively or in addition, the user interface is located in a portable user terminal (e.g. tablet, smartphone or similar).
  • In particular, in the event that the portable user terminal is held with one hand of the user and operated with the other hand, accelerations occurring during operation can lead to an unintentional relative movement between one hand and the other hand and thus to incorrect operation. Another possible application of a user interface operated according to the invention is a work machine (e.g. in the manner of a soil cultivation machine, an excavator or the like) in which vibrations and / or rotations and / or accelerations which occur can influence or prevent user input.
  • The user interface can have a keyboard and / or a mouse and / or a touch-sensitive input surface (in the manner of a touch screen or digitizer). In particular, every haptic input or input under contact with the user can be understood as user input. Examples of user inputs that are not directly influenced by accelerations are voice inputs. All other entries can be influenced by accelerations.
  • Obviously, the design, position and orientation of the user interface have an influence on the way in which the acceleration or the jerk influences the user input. For example, a portion of the acceleration or jerk in a vertical direction can have an increased influence on the position of the input on a vertically oriented touchscreen, while a portion of the acceleration or jerk in the horizontal direction can have an influence on the position and / or or can have an input. In other words, an acceleration oriented in the direction of a surface normal can undesirably cause or prevent the input (depending on the orientation of the normal acceleration), whereas an acceleration in a direction perpendicular to the surface normal influences the position of the input on the touchscreen. Therefore, accelerations in the respective direction can be evaluated to determine what type of improper use it increases. In addition, the proportions of the accelerations can be compared with a respective predefined threshold value. For example, a portion of the acceleration in a vertical direction can be compared with a first predefined threshold value for determining a first misuse probability and a portion of the acceleration in a horizontal direction can be compared with a second predefined threshold value for determining a second misuse probability. Different measures can be taken depending on the accelerations or misoperation probabilities. For example, depending on an acceleration or jerk oriented perpendicular to the normal vector of the screen surface, a reinterpretation of the screen position addressed by the user can take place and, for example, a button / button can be treated as actuated depending on the direction and / or the amplitude of the acceleration or jerk that has occurred , which is arranged next to the position actually operated by the user. Accordingly, an acceleration oriented in the direction of actuation of a user gesture carried out freely in the room (“3D gesture”) can be reinterpreted in such a way that the actuation by the user is interpreted as longer or shorter than the actual actuation, depending on the orientation of the acceleration. In other words, the user input can be reinterpreted depending on the determined acceleration or the assigned function can be modified.
  • In response to the determination of a predefined level of the probability of incorrect operation, a higher detection threshold can be used, for example, to accept the user input. In other words, more energetic user input to actually trigger the function may be required to avoid accidental triggering. In other words, the function triggering can be prevented in the case of a sufficiently high probability of incorrect operation and the function can only actually be triggered when the user is input again or is more energetic. Accidental function calls can be effectively prevented in this way.
  • The higher detection threshold may, for example, require the user to operate the user interface for longer. For example, pressing a button may take a long time to trigger the function associated with it. Alternatively or additionally, a greater force can be exerted by the user in order to successfully trigger the function. Depending on the design of the user interface, it may also be necessary to touch a larger area of the user interface in order to trigger the function. Alternatively or additionally, the repeated operation already mentioned above may be required for the function call. An accidental or incorrect function call can thus be effectively avoided.
  • The acceleration can be compared with the threshold value not only in terms of its amount and / or its direction, but also in terms of its characteristics over time. The characteristic over time can, for example, describe a gradient / an increase in the acceleration over time, that is to say the jerk, and thus take into account the nature of the acceleration and the possibility of its influence on a user input. Of course, different amounts or threshold values over time can be predefined for differently oriented accelerations and taken into account when determining the probability of incorrect operation.
  • The acceleration cannot be determined exclusively by means of an acceleration sensor. Alternatively or additionally, an acceleration for use in the method according to the invention can also be determined by means of a (e.g. satellite-based) location system (possibly in conjunction with map material). Alternatively or additionally, a further means of transportation can have determined an acceleration value at a current position of the means of transportation according to the invention and have made this available directly or indirectly to the means of transportation according to the invention. This can be done via the Internet, for example, or via Car2Car communication. As an alternative or in addition, the further means of transportation can also directly transfer the probability of incorrect operation to the means of transportation according to the invention. This will usually presuppose that the user interface and / or the user's position with respect to the user interface also have a sufficient match. Acceleration values that can be used according to the invention can be used and / or verified several times in this way before the measures described above are initiated.
  • According to a second aspect of the present invention, a device for determining a probability of incorrect operation of a user interface is proposed. The device can be arranged, for example, in a means of transportation and / or in a mobile / portable wireless communication device and / or in a work machine. It comprises a data input for receiving an acceleration signal and / or a jerk signal, an evaluation unit in the manner of a data processing processor and optionally a data output for outputting the probability of incorrect operation or for signaling measures. The evaluation unit is set up to determine an acceleration or a jerk in connection with the data input. In addition, the evaluation unit is set up to compare the acceleration or the jerk with a threshold value, which is stored, for example, in a local or remote data memory. Depending on a result of the comparison, the data output is set up to determine the probability of incorrect operation of the user interface by the user. Measures can be output via the data output, which are suggested by the ascertained probability of incorrect operation. The features, combination of features and the advantages of the device according to the invention resulting from these correspond so clearly to those which were carried out above in connection with the method according to the invention that reference is made to the above statements in order to avoid repetitions.
  • According to a third aspect of the present invention, a means of transportation is proposed which is designed, for example, as a motorcycle, car, transporter, truck, aircraft and / or watercraft. The means of transportation comprises a device according to the second aspect of the invention and realizes the same features, combinations of features and advantages in this way.
  • Further details, features and advantages of the invention result from the following description and the figures. Show it:
    • 1 a schematic representation of a situation in which an embodiment of a device according to the invention in an embodiment of a means of transportation according to the invention and an embodiment of a portable user terminal are used in the execution of a method according to the invention;
    • 2a, b Examples of temporal courses of accelerations with different orientations and their evaluation by means of threshold values; and
    • 3 a flowchart illustrating steps of an embodiment of a method according to the invention for determining a misuse probability of a user interface.
  • 1 shows a car 10 as an embodiment of a means of transportation according to the invention, in which a user 2 a touchscreen 1 operated by a user interface. The touchscreen 1 is with a data input 3a an electronic control unit 3 connected as an evaluation unit for information technology. The electronic control unit 3 also has a data input 3b on what signals from an acceleration sensor 4 can be received. In addition, the data input 3a with an antenna 8th for receiving from a satellite 5 originating signals designed. In this way, the current position of the car 10 be determined. A car 10 other means of transportation ahead 11 is already through a pothole 6 and over a bump 7 drove and has the in 2a acceleration signals shown recorded and broadcast. Via the antenna 8th can the car 10 receive this information and in the electronic control unit 3 the determination of a misuse probability of the touchscreen 1 by the user 2 to take as a basis. The car 10 a second user follows 2 holding a smartphone in his hand 20 leads as a portable user terminal. As is known, smartphones usually have an acceleration sensor, an evaluation unit, a location system and an antenna 8th to receive messages on, so that in connection with the car 10 mentioned elements according to the invention also in the smartphone 20 are included and can be used according to the invention.
  • 2a shows that due to the pothole 6 and the bump 7 for the car 10 and the smartphone 20 expected jerks in a schematic representation. The threshold z 0 '" is fallen below twice in the negative direction and exceeded in the positive direction. According to the invention, a probability of incorrect operation is determined and categorized in such a way that a vertical deviation of the user input could deviate from a user input intended by the user, provided that there is a sufficiently close relationship to a user input. Accordingly, the user input can be reinterpreted or the user can be asked to make his user input more vigorously and / or again.
  • 2 B shows the jerk x '"(t) oriented in the horizontal direction (direction of travel or running), which is suitable for the car 10 or the user following him 2 due to an acceleration process in the period T A or braking in the period T B results. The moderate jerk in the period T A does not exceed the positive threshold value x '" 0 + and a corresponding probability of incorrect operation is sufficiently small to immediately take user input related to the acceleration process as an occasion for assigned function calls T B falls below the jerk but also the negative threshold value x '"0 - and exceeds the positive threshold value x'" 0 + significantly, so that in the period T B incoming user input has a high probability of incorrect operation and the measures described above can be taken. It goes without saying that, optionally, only the respective period in which the negative threshold x '" 0 - is undershot or the positive threshold x"' 0 + is assumed to be the period in which the misuse probability is assumed to be sufficiently high to take one of the measures discussed above.
  • 3 shows an embodiment of a method according to the invention for determining a probability of incorrect operation of a user interface by a user. In step 100 a jerk is determined. This can be done for example by means of an acceleration sensor. In step 200 the jerk is compared to a threshold value. The threshold value can, for example, determine the amount of jerk from which a probability of incorrect operation is determined, to which the initiation of suitable countermeasures is assigned. Depending on a result of the comparison, in step 300 the probability of incorrect operation for a user input at the user interface is determined. This is due to the fact that the jerk reaches or exceeds / falls below the threshold. In step 400 Finally, a sufficient temporal relationship between the jerk and the user input is determined and this assignment is taken as an opportunity to take a measure to correct the user input. For example, a text message can be output to the user, which prompts the user to repeat the user input or otherwise to declare it invalid. If it is possible to determine the intended input target of the user with sufficient accuracy, the user interface can trigger the function associated with the intended input target.
  • Depending on the probability of incorrect operation, the sensitivity of the user interface can be reduced in such a way that it takes place quantitatively (ie gradually) and is dependent on a (likewise quantitative) probability of incorrect operation. The The likelihood of incorrect operation depends on the temporal relationship between the jerk and the amplitude of the jerk: the shorter the time between body jerk and registered operator action, and the larger the jerk tip, the higher the probability of incorrect operation.
  • For the detailed parameterization of the reduction in the detection sensitivity, tests can preferably be used: test subjects in a driving simulator can be asked to perform operating tasks while they are exposed to linear accelerations or jerks in the three spatial directions (vehicle axes x . y , z, corresponding to the longitudinal axis, transverse axis, vertical axis), or angular accelerations around the three vehicle axes x . y . z (Rolling / swaying, nodding, yawing) are exposed. From the tests, a parameterization can be found that equally keeps the errors of the first type (customer makes incorrect operation, system does not recognize incorrect operation) and second type (customer makes correct operation, system incorrectly detects incorrect operation) at an acceptable level that is as low as possible ,
  • With regard to the detection of incorrect operation and type of incorrect operation, it can generally be said that the scalar product of the surface normal of the operating surface and the acceleration or jerk vector is decisive for the probability of incorrect operation.
  • The present invention makes a user interface designed according to the invention more robust with respect to incorrect operation and the user comfort is improved.
  • LIST OF REFERENCE NUMBERS
  • 1
    touchscreen
    2
    user
    3
    electronic control unit
    3a, 3b
    data input
    4
    accelerometer
    5
    satellite
    6
    pothole
    7
    bump
    8th
    antenna
    10
    car
    11
    another car
    20
    Smartphone
    100 to 400
    steps
    t
    time
    T A
    Acceleration period
    T B
    Braking period
    x
    Vehicle longitudinal direction
    y
    Vehicle transverse direction
    z
    vertical direction
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list of documents listed by the applicant has been generated automatically and is only included for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
  • Patent literature cited
    • DE 102016219166 A1 [0003]

Claims (11)

  1. A method for determining a probability of incorrect operation of a user interface (1) by a user (2) comprising the steps • determining (100) a jerk (x "'(t), y"' (t), z "'(t)) and / or an acceleration, • comparing (200) the jerk (x "'(t), y"' (t), z "'(t)) and / or an acceleration with a threshold value (x 0 "', y 0 "', z 0 '") and depending on a result of the comparison, • Determining (300) the probability of incorrect operation for a user input at the user interface (1).
  2. Procedure according to Claim 1 further comprehensive - assigning (400) the misuse probability to a user input.
  3. Procedure according to Claim 1 or 2 , wherein the user interface (1) - is arranged in a means of transportation (10) and / or - in a portable user terminal (20) and / or - in a work machine.
  4. Method according to one of the preceding claims, wherein the user interface (1) has a keyboard and / or a mouse and / or a touch-sensitive input surface and / or a means for gesture detection.
  5. Method according to one of the preceding claims, wherein - a proportion of the acceleration or the jerk (z "'(t)) in a vertical direction with a first predefined threshold value (z 0 "') and - a proportion of the acceleration or the jerk (x "'(t)) in a longitudinal direction with a second predefined threshold value (x 0 "') and - a proportion of the acceleration or jerk (y "'(t)) in a lateral direction with a third predefined threshold value (y 0 '") are compared.
  6. Method according to one of the preceding claims, wherein a higher detection threshold is used for accepting the user input in response to the determination of a predefined level of the misuse probability.
  7. Procedure according to Claim 6 , the higher detection threshold - a longer operating time and / or - a greater force and / or - touching a larger area and / or - repeated operation by the user (2).
  8. Method according to one of the preceding claims, wherein the acceleration with respect to - its amount and / or - its direction, in particular with regard to its characteristic over time (t) and / or its time derivative, with threshold values (x 0 '", y 0 "' , z 0 '") is compared.
  9. Method according to one of the preceding claims, wherein the jerk (x "'(t), y'" (t), z "'(t)) and / or the acceleration by means of - An acceleration sensor (4) and / or - a location system and / or - Measured acceleration values are determined by a further means of transportation (11) at a current position of the means of transportation (10).
  10. Device for determining a probability of incorrect operation of a user interface (1) by a user (2), comprising: - a data input (3a, 3b), and - an evaluation unit (3), the evaluation unit (3) being set up, - in connection with the data input (3a) to determine a jerk (x "'(t), y"' (t), z "'(t)), - the jerk (x"' (t), y "'(t), z"'(t)) with a threshold value (x 0 "', y 0 '", z 0 '") and depending on a result of the comparison - to determine the probability of incorrect operation of the user interface (1) by the user (2).
  11. Means of transportation (10) comprising a device according to Claim 10 ,
DE102018213263.1A 2018-08-08 2018-08-08 Means of transportation, device and method for determining a probability of incorrect operation of a user interface Pending DE102018213263A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102018213263.1A DE102018213263A1 (en) 2018-08-08 2018-08-08 Means of transportation, device and method for determining a probability of incorrect operation of a user interface

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Application Number Priority Date Filing Date Title
DE102018213263.1A DE102018213263A1 (en) 2018-08-08 2018-08-08 Means of transportation, device and method for determining a probability of incorrect operation of a user interface

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013010932A1 (en) * 2013-06-29 2014-12-31 Audi Ag Method for operating a user interface, user interface and motor vehicle with a user interface

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013010932A1 (en) * 2013-06-29 2014-12-31 Audi Ag Method for operating a user interface, user interface and motor vehicle with a user interface

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