Touch screen with selective touch sources

G - Physics – 06 – K

Patent

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Details

G06K 11/06 (2006.01) G06F 3/033 (2006.01)

Patent

CA 2452339

A touch system (10, 100, 200, 300, 400, 500) for determining the position of a touch on a touch sensor (12, 112, 212, 312, 412, 512) includes a touch sensor (12, 112, 212, 312, 412, 512) and a user contact point (14, 114, 115, 314, 414, 415) separate from the touch sensor (12, 112, 212, 312, 412, 512). Information from both the user contact point (14, 114, 115, 314, 414, 415) and a touch to the touch sensor (12, 112, 312, 412, 512) is used to determine the position of the touch on a touch sensor (12, 112, 212, 312, 412, 512). Multiple contact points (14, 114, 115, 314, 414, 415) or touch sensors (12, 112, 212, 312, 412, 512) may be incorporated into the touch system (10, 100, 200, 300, 400, 500). The touch system (10, 100, 200, 300, 400, 500) may be configured to selectively activate the touch sensors (12, 112, 212, 312, 412, 512) and contact points (14, 114, 115, 314, 414, 415) and distinguish between information generated from the touch sensor (12, 112, 212, 312, 412, 512) and contact point (14, 114, 115, 314, 414, 415).

Cette invention concerne un système tactile servant à déterminer l'emplacement d'une pression sur un capteur tactile et comprenant un capteur tactile ainsi qu'un point de contact utilisateur distinct du capteur tactile. Les informations provenant à la fois du point de contact utilisateur et d'une pression sur le capteur tactile sont utilisées pour que l'emplacement de la pression sur un capteur tactile soit déterminé. De multiples points de contact ou capteurs tactiles peuvent être intégrés dans le système tactile. Ce système tactile peut être conçu pour activer sélectivement les capteurs tactiles et les points de contact et pour distinguer les informations générées par le capteur tactile de celles générées par le point de contact.

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