TOUCH INTERFACE OFFERING IMPROVED LOCALISED VIBROTACTILE FEEDBACK

The invention relates to a haptic interface comprising a substrate (2), a plate (4) comprising a surface (6) for interaction with one or more fingers of a user, and actuators (A1) capable of applying a vibration to said plate (4), and a control module (MC) for controlling said actuator, - said plate...

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Main Authors BEN DHIAB, Ayoub, HUDIN, Charles
Format Patent
LanguageEnglish
French
Published 12.11.2020
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Abstract The invention relates to a haptic interface comprising a substrate (2), a plate (4) comprising a surface (6) for interaction with one or more fingers of a user, and actuators (A1) capable of applying a vibration to said plate (4), and a control module (MC) for controlling said actuator, - said plate (4) being in the shape of a strip extending along a first direction (X) and delimited transversely to the first direction by two lateral edges (10), said lateral edges (10) being supported by said substrate (6), - said control module (MC) being configured to generate control signals to said actuator (A1) at first frequencies lower than the cut-off frequency of the first propagation mode of said plate, so that the actuator (A1) generates evanescent waves in the plate (4). Interface haptique comportant un support (2), une plaque (4) comprenant une surface d'interaction (6) avec un ou plusieurs doigts d'un utilisateur, et des actionneurs (A1) aptes à appliquer une vibration à ladite plaque (4), et un module de commande (MC) dudit actionneur, - ladite plaque (4) ayant la forme d'une bande s'étendant le long d'une première direction (X) et délimitée transversalement à la première direction par deux bords latéraux (10), lesdits bords latéraux (10) étant supportés par ledit support (6), - ledit module de commande (MC) étant configuré pour générer des signaux de commande audit actionneur (A1) à des premières fréquences inférieures à la fréquence de coupure du premier mode de propagation de ladite plaque, de sorte que l'actionneur (A1) génère dans la plaque (4) des ondes évanescentes.
AbstractList The invention relates to a haptic interface comprising a substrate (2), a plate (4) comprising a surface (6) for interaction with one or more fingers of a user, and actuators (A1) capable of applying a vibration to said plate (4), and a control module (MC) for controlling said actuator, - said plate (4) being in the shape of a strip extending along a first direction (X) and delimited transversely to the first direction by two lateral edges (10), said lateral edges (10) being supported by said substrate (6), - said control module (MC) being configured to generate control signals to said actuator (A1) at first frequencies lower than the cut-off frequency of the first propagation mode of said plate, so that the actuator (A1) generates evanescent waves in the plate (4). Interface haptique comportant un support (2), une plaque (4) comprenant une surface d'interaction (6) avec un ou plusieurs doigts d'un utilisateur, et des actionneurs (A1) aptes à appliquer une vibration à ladite plaque (4), et un module de commande (MC) dudit actionneur, - ladite plaque (4) ayant la forme d'une bande s'étendant le long d'une première direction (X) et délimitée transversalement à la première direction par deux bords latéraux (10), lesdits bords latéraux (10) étant supportés par ledit support (6), - ledit module de commande (MC) étant configuré pour générer des signaux de commande audit actionneur (A1) à des premières fréquences inférieures à la fréquence de coupure du premier mode de propagation de ladite plaque, de sorte que l'actionneur (A1) génère dans la plaque (4) des ondes évanescentes.
Author BEN DHIAB, Ayoub
HUDIN, Charles
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DocumentTitleAlternate INTERFACE TACTILE OFFRANT UN RETOUR VIBROTACTILE A LOCALISATION AMELIOREE
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Snippet The invention relates to a haptic interface comprising a substrate (2), a plate (4) comprising a surface (6) for interaction with one or more fingers of a...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
Title TOUCH INTERFACE OFFERING IMPROVED LOCALISED VIBROTACTILE FEEDBACK
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