Classifications

• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input 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
  • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
  • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
  • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
  • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
  • G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
  • G09B21/001—Teaching or communicating with blind persons
  • G09B21/003—Teaching or communicating with blind persons using tactile presentation of the information, e.g. Braille displays
  • G09B21/005—Details of specially-adapted software to access information, e.g. to browse through hyperlinked information
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input 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
  • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
  • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input 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
  • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
  • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
  • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
  • G06F3/04842—Selection of displayed objects or displayed text elements
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input 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
  • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
  • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
  • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
  • G06F3/0489—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using dedicated keyboard keys or combinations thereof
  • G06F3/04895—Guidance during keyboard input operation, e.g. prompting
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input 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
  • G06F3/16—Sound input; Sound output
  • G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F9/00—Arrangements for program control, e.g. control units
  • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
  • G06F9/44—Arrangements for executing specific programs
  • G06F9/451—Execution arrangements for user interfaces
  • G06F9/453—Help systems
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
  • G06Q20/00—Payment architectures, schemes or protocols
  • G06Q20/38—Payment protocols; Details thereof
  • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
  • G06Q20/401—Transaction verification
  • G06Q20/4012—Verifying personal identification numbers [PIN]
• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07F—COIN-FREED OR LIKE APPARATUS
  • G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
  • G07F19/20—Automatic teller machines [ATMs]
• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07F—COIN-FREED OR LIKE APPARATUS
  • G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
  • G07F19/20—Automatic teller machines [ATMs]
  • G07F19/206—Software aspects at ATMs
• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07F—COIN-FREED OR LIKE APPARATUS
  • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
  • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
  • G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
  • G07F7/1025—Identification of user by a PIN code
  • G07F7/1033—Details of the PIN pad
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
  • G06F2203/048—Indexing scheme relating to G06F3/048
  • G06F2203/04803—Split screen, i.e. subdividing the display area or the window area into separate subareas
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
  • G06F2203/048—Indexing scheme relating to G06F3/048
  • G06F2203/04809—Textured surface identifying touch areas, e.g. overlay structure for a virtual keyboard
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
  • G09B21/001—Teaching or communicating with blind persons

Definitions

• the present invention relates to the field of authentication and / or control of the identity of a user requesting a service or carrying out a transaction, more specifically the invention relates to a device and a method for identifying a person and, which also supports people with low vision.
• Identification devices in general, may include means such as a physical keyboard or a virtual keyboard to validate the transaction.
• a major problem encountered in the identification process is the identification of visually impaired persons (visually impaired persons).
• the present invention aims to obviate a certain disadvantage of the prior art by providing a means for authentication or identity control of people including visually impaired persons.
• a device for identifying a user including at least one terminal comprising at least one touch screen for displaying information related to at least one transaction or service, a location for inserting a smart card, a smart card reader device by contact and / or without contact, a motherboard for controlling the functionalities of said terminal and comprising at least one processor and a memory, said memory containing a set of modules and / or algorithms, of which execution on the processor implements at least one set of functionalities of said terminal and / or generates at least one interactive interface comprising at least one virtual keyboard, the terminal comprising at least one arrangement for activation of a "low vision" mode for visually impaired users in which:
• a positioning module determines the position of the finger on the touch screen and records in a first memory the last position of said finger after said user has removed his finger from said touch screen, said last position being defined as a possible choice of the key; virtual corresponding to this stored position;
• the device being characterized in that the touch screen of said terminal comprises at least one set of reliefs which are superimposed on the keys of the virtual keyboard so that the reliefs are around the numbers and / or symbols of said keys, said set of reliefs including a relief with a point in the center and located in the center of the first nine keys, comprising digits, of said virtual keyboard displayed by the touch screen so as to enable a user to locate the central key of the virtual keyboard and the other keys around said central key.
• the "low vision" mode for visually impaired users is activated when the terminal is in a PIN entry mode.
• the terminal when the "low vision" mode is activated by a user, the terminal includes an algorithm, the execution of which activates a “discovery” mode in which the user moves his finger on the touch screen and discovers the provision without activating a feature of said terminal.
• the terminal exits the "discovery” mode when the user locates with his finger the central key corresponding to the number "5" of the virtual keypad, the position of the other keys, defined by a first part of the set reliefs corresponding to the numbers "0", “1", “2", “3”, “4", "6", "7", “8”, “9” and a second portion of the reliefs bearing the symbols " ⁇ ",
• the "discovery" mode is activated automatically after each double tap gesture and deactivated when the user finds the central key.
• the terminal comprises an algorithm for comparing the position of each choice recorded in the first memory of said terminal with the predefined position of each key of the virtual keyboard before the validation of said choice.
• the terminal comprises at least one alarm connected to the detection device, said alarm emitting a "beep" signal when said detection device validates a choice made by the user.
• the terminal comprises an arrangement for configuring a first duration during which the finger is in contact with the touch screen of said terminal and a second duration between two successive tapping gestures of the finger so as to avoid an error in the process for validating a choice when said durations exceed predefined values stored in the memory of the processor of the terminal.
• the virtual keyboard of the interface of the terminal comprises at least one "correction” key, identified by the position of a relief of the set of reliefs presenting the symbol " ⁇ ", which is activated by a gesture double tapping the user's finger on the touch screen to correct a choice made by said user after the finger has been removed from the screen in the position identified as representing this correction symbol.
• the terminal deletes, by means of an arrangement, the last choice made by a user of the first memory when the "correction" key is activated by said user.
• the terminal when the "cancel" key is activated by the user, the terminal erases by means of an arrangement a code / PIN of the second memory if a code / PIN has already been recorded in said memory or leaves the PIN entry mode if a code / PIN has not been registered in said second memory or if a choice has not been made.
• the terminal alarm transmits a signal when a code / PIN is canceled, said signal being different from the beep signal emitted when a choice is validated or the signal sent when a correction has been made.
• said code / PIN is validated by a double tap gesture of said user's finger on the touch screen of the terminal.
• the terminal comprises an arrangement for automatically exiting the PIN input mode when said mode terminates.
• the relief with the symbol “O” corresponds to the "OK" key of the virtual keyboard in a "normal” mode for a user to normal vision, said "OK” key being used, by a tap gesture, for the validation of a code / PIN typed using the virtual keyboard or to confirm a transaction or instruction / information displayed on the terminal screen.
• the terminal comprises an arrangement for automatically validating the code / PIN after a predefined number of digits, stored in the memory of said terminal processor, have been typed by a user.
• the terminal comprises an audio arrangement for providing audio assistance to a user of said terminal.
• the audio arrangement activates the voice assistance module which says "CORRECTION".
• the audio arrangement activates the voice assistance module which says "OPERATION CANCELED".
• Another object of the present invention is to provide a process for the authentication of a visually impaired user.
• This object is obtained by a method for identifying a visually impaired user in a device comprising a terminal as described above, said method comprising at least one of the following steps: • activation of a "low vision" mode by a double tap gesture of the user's finger on the screen of the terminal;
• the method comprises steps for correcting choices when at least one wrong choice has been made, said steps comprising at least one of:
• the method comprises steps for canceling a code / PIN or exiting the PIN entry mode, said steps comprising at least one of:
• FIGS. 1A and 1B are diagrammatic representations of the terminal's touch screen showing the location respectively of the superimposed reliefs on the virtual keyboard and the reliefs of said touch screen, according to one embodiment
• FIGS. 2A and 2B are diagrammatic representations respectively of the "discovery" mode of the terminal and of the location of the central key of the virtual keyboard of said terminal, according to one embodiment
• FIGS. 3A and 3B are schematic representations respectively of the gesture for canceling a code / PIN and an example of two different gestures (P1) and (P2) for dialing the number "3" of the virtual keyboard, according to a method of production ;
• - Figure 4 is a schematic representation of the components of the terminal.
• the present invention relates to a device for identifying a user, including a virtual defective user, during a transaction or access to a service provided by a service provider.
• the device for identifying a user requesting a service also supports a visually impaired user identification.
• the device includes at least one terminal (2, Fig. 4) comprising at least one touch screen (1, Figs 1A, 1B, 2A, 2B, 3A, 3B and 4) for displaying information related to at least one transaction or a service, a location for inserting a smart card, a contact and / or non-contact smart card reader device, a motherboard (main circuit) (20, Fig.
• the terminal for controlling the functionality of said terminal (2 ) and comprising at least one processor (201) and a memory (202), said memory (202) containing a set of modules and / or algorithms, whose execution on the processor (201) implements at least one set of functionalities of said terminal (2) and / or generates at least one interactive interface comprising at least one virtual keyboard (10), the terminal comprising at least one arrangement for activation of a "low vision" mode for visually impaired users in which :
• a positioning module determines the position of the finger on the touch screen (1) and records in a first memory (21) the last position of said finger after said user has removed his finger from said touch screen (1), said last position being defined as a possible choice of the virtual key corresponding to this memorized position;
• the device being characterized in that the touch screen (1) of said terminal (2) comprises at least one set of reliefs which are superimposed on the keys of the virtual keyboard so that the reliefs are around the numbers and / or symbols said keys, said set of reliefs including a relief (11) with a point in the center and located in the center of the first nine keys, including numbers, said virtual keyboard displayed by the touch screen (1) so as to allow a user locating the central key (100) of the virtual keyboard (10) and the other keys (101, 102, 103, 104) around said central key (100).
• each relief of the set of reliefs may have a circular shape.
• the terminal includes a "normal" mode set by default and suitable for a user without visual problems (to normal vision) and functioning as a terminal identification or usual transaction as a payment terminal for example and without limitation.
• the "low vision" mode for visually impaired users is activated when the terminal (2) is in a PIN input mode.
• the terminal of the device comprises at least one arrangement for automatically activating the PIN entry mode when a user requesting a service wishes to validate the transaction related to said service or a feature of said terminal. For example and without limitation, a user may want to pay for a product by means of a card of payment or request information related to a service he wishes to follow, access to said information requiring authentication.
• the terminal (2) when the "low vision" mode is activated by a user, the terminal (2) comprises an algorithm, whose execution activates a "discovery” mode in which the user moves his finger on the screen touch (1) and discovers the layout without activating a feature of said terminal (2), as shown in FIG. 2A.
• the user in said "discovery” mode the user (visually impaired person) can also interrupt the contact of his finger with the screen (ie take off his finger from the screen) and continue the discovery to another location on the screen.
• the "discovery” mode allows the user (visually impaired person) to learn where the keys are located on the screen.
• the terminal (2) exits the "discovery” mode when the user locates with his finger the central key (100) corresponding to the digit "5" of the virtual keypad (see Fig. 2B), the position other keys (101), defined by a first part of the set of reliefs corresponding to the numbers “0", “1", “2”, “3”, “4", “6", “7”, “ 8 “,” 9 “and a second portion of the reliefs having (or with) symbols" ⁇ "(102),” X “(103) and” O “(104) being determined from said central key (100). ) by holding the finger on the touch screen (1) and moving it up, down, to the left or to the right or by a combination of at least two of the directions (up, down, left, right) to the desired key (101, 102, 103, 104).
• the user wants to choose the key (101) corresponding to the number "2", he can move his finger upwards from the central key (100) corresponding to the number "5". If the choice of the user concerns the key corresponding to the number "3", he can first move his finger upward from the central key (100) corresponding to the digit "5" to the key corresponding to the digit "2” and move his finger to the right from said digit "2" to the key corresponding to the digit “3” as illustrated by the gesture (P1) in Figure 3B , or he can move his finger to the right from the central key (100) corresponding to the digit "5" to the key corresponding to the digit "6” and move his finger upwards from said digit "6” to the corresponding key at the number "3” as illustrated by the gesture (P2) in Figure 3B.
• the relief with the symbol “O” corresponds to the "OK" key of the virtual keyboard.
• said "OK” key can be used to validate a code / PIN typed using the virtual keyboard or to confirm a transaction or instruction / information displayed on the terminal screen.
• the user may press or use a tap gesture on said "OK" key for the validation or confirmation process.
• the terminal may include an arrangement for automatically validating the PIN / code after a predefined number of digits, stored in the memory of said terminal, have been typed by a user.
• the validation of the PIN code / PIN can thus depend on the type of card used for the transaction. For example and without limitation, if the card used is a MasterCard or a Visa card, the process of validation of the code / PIN may require to manually validate said code / PIN by pressing the "OK" key, and for a type of such as a "Bancontact" card, for example, the code / PIN can be automatically validated after four digits.
• the "discovery" mode is automatically activated after each double tapping gesture and disabled when the user finds the central key (100).
• This feature of the terminal allows the user to locate the central key (100) after each choice so as to easily dial or choose the other digits (101, 102, 103, 104) and / or to avoid the accidental activation of a key or a number.
• the terminal (2) includes an algorithm for comparing the position of each choice stored in the first memory (21) of said terminal (2) with the predefined position of each key (100, 101, 102, 103, 104) of the virtual keyboard (10), stored in the memory of the processor of the terminal, before the validation of said choice.
• the touch screen comprises at least one virtual grid on which the position of each point of the touch screen and in particular the keys of the virtual keyboard can be described by coordinates (x, y).
• the comparison algorithm compares the coordinates (x 4 , y 4 ) with those of the keys of the keyboard.
• the comparison may be, for example and without limitation, the verification of whether x 4 and y 4 correspond or not to the x and y of one of the predefined positions.
• the terminal (2) comprises at least one alarm (24) connected to the detection device (23), said alarm (24) transmitting a "beep" signal when said detection device (23) validates a choice made by the user.
• the terminal (2) comprises an arrangement for configuring a first duration during which the finger is in contact with the touch screen (1) of said terminal and a second duration between two successive tapping gestures of the finger so that to avoid an error in the process of validating a choice when said durations exceed predefined values stored in the memory (202) of the processor of the terminal.
• the virtual keyboard (10) of the interface of the terminal (2) comprises at least one "correction” key (103), identified by the position of a relief of the relief set having the symbol " ⁇ ", which is activated by a double tap gesture of the user's finger on the touch screen (1) to correct a choice made by said user once the finger has been removed from the screen in the position identified as representing this correction symbol.
• the alarm (24) of the terminal (2) transmits a signal with a low frequency and a longer duration, distinguishable from a beep signal, when the choice made by the user has been erased.
• the virtual keyboard (10) of the interface of the terminal (2) comprises a "cancel" key (102), identified by the position of a relief of the relief set having the symbol "X" Which is activated by a double tapping gesture of the user's finger (see Fig. 3A) on the touch screen (1) to cancel a PIN / PIN or to exit the PIN entry mode once the finger has been removed from the screen in the position identified as representing this cancellation symbol.
• a "cancel" key identified by the position of a relief of the relief set having the symbol "X" which is activated by a double tapping gesture of the user's finger (see Fig. 3A) on the touch screen (1) to cancel a PIN / PIN or to exit the PIN entry mode once the finger has been removed from the screen in the position identified as representing this cancellation symbol.
• the alarm (24) of the terminal (2) may emit a signal when a code / PIN is canceled, which signal is different from the beep signal when a choice is validated or the signal transmitted when a correction has been made.
• a PIN / PIN or PIN input mode has been canceled by activating the "cancel" key (102), the audio arrangement (25) activates the voice assistance module which says “OPERATION CANCELED ".
• the payment terminal is configured to be integrated in a sales automaton comprising at least one jack connector and a presence detection device of a plug (or plug) plugged into the connector for the connection of a headphone.
• the terminal may comprise at least one connection device (for example and without limitation a USB cable, etc.), to communicate bidirectionally with said sales automaton.
• the controller transmits a transaction request to the terminal (for example and without limitation an electrical signal) through the connection device, after the connection of a headset by a user. The user is then guided by the terminal to perform the transaction.
• the present invention also relates to a method for identifying a visually impaired user in a device comprising a terminal (2) as described above (in the present application).
• the method for identifying a visually impaired user includes at least one of the following steps:
• the method for identifying a visually impaired user may include, prior to the step of activating the "low vision" mode, a step of determining whether a user is a normal user (at normal vision) or a visually impaired user by means of an arrangement included in the identification device or the terminal.
• said arrangement may be an audio arrangement interacting with the user.
• the method for identifying a visually impaired user includes steps for correcting choices. when at least one wrong choice has been made, said steps comprising at least one of:
• the method for identifying a visually impaired user includes steps for canceling a PIN / PIN or exiting the PIN entry mode, said steps comprising at least one of:

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• Engineering & Computer Science (AREA)
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• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Human Computer Interaction (AREA)
• Business, Economics & Management (AREA)
• Accounting & Taxation (AREA)
• Software Systems (AREA)
• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Audiology, Speech & Language Pathology (AREA)
• Finance (AREA)
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• Educational Administration (AREA)
• Multimedia (AREA)
• Strategic Management (AREA)
• General Business, Economics & Management (AREA)
• Computer Security & Cryptography (AREA)
• Input From Keyboards Or The Like (AREA)
• Position Input By Displaying (AREA)
• User Interface Of Digital Computer (AREA)

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• 2018
  • 2018-02-16 BE BE20185093A patent/BE1026023B1/fr active IP Right Grant
• 2019
  • 2019-02-15 US US16/969,657 patent/US11335208B2/en active Active
  • 2019-02-15 CN CN201980025953.4A patent/CN112041899B/zh active Active
  • 2019-02-15 EP EP19708953.5A patent/EP3752991A1/fr active Pending
  • 2019-02-15 WO PCT/EP2019/053863 patent/WO2019158715A1/fr unknown

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