User input device for a computer system

Details User input device for a computer system User input device for a computer system

G - Physics

06

F

G06F 3/033 (2006.01)

Patent

CA 2283169

A user input device for an electronic device is disclosed. The user input device provides positional information using a grid of light. The grid of light is produced from a light source and waveguides. The grid of light is also received and processed using waveguides and a light detector. Optionally, optics may be used to enhance the operation of the user input device. The user input device is particularly suited for use as a user input device for a computer system or the like.

L'invention concerne un dispositif d'entrée utilisateur destiné à un appareil électronique. Le dispositif d'entrée utilisateur fournit des informations de positionnement au moyen d'une grille lumineuse, qui provient d'une source de lumière et de guides d'ondes. Ladite grille lumineuse est également reçue et traitée au moyen de guides d'ondes et d'un détecteur de lumière. On peut facultativement utiliser un système optique pour améliorer le fonctionnement du dispositif d'entrée utilisateur. Ce dispositif convient particulièrement bien en tant que dispositif d'entrée utilisateur destiné à un système informatique ou similaire.

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