A data input device

Details A data input device A data input device

G - Physics

06

F

G06F 3/02 (2006.01) G01C 1/06 (2006.01) G02B 5/02 (2006.01) G02B 5/30 (2006.01) G02B 13/20 (2006.01) G02B 27/18 (2006.01) G02B 27/28 (2006.01) G06F 1/00 (2006.01) G06F 3/023 (2006.01) G06F 3/03 (2006.01) G06F 3/033 (2006.01) G06G 5/00 (2006.01) G09G 5/00 (2006.01) G09G 5/08 (2006.01) H03M 11/04 (2006.01)

Patent

CA 2433791

A data input device and method including an illuminator (106) operative to illuminate at least one engagement plane (102) by directing light along the at least one engagement plane, a two-dimensional imaging sensor (112) viewing the at least one engagement plane from a location outside the at least one engagement plane for sensing light from the illuminator (106) scattered by engagement of a data entry object (110) with the at least one engagement plane and a data entry processor receiving an output from the two-dimensional imaging sensor (112) and providing a data input to utilization circuitry.

L'invention concerne un dispositif et un procédé d'entrée de données comprenant un illuminateur conçu pour éclairer au moins un plan de contact en dirigeant de la lumière le long d'au moins ce plan de contact, un capteur d'images bidimensionnelles servant à visualiser au moins ce plan de contact depuis un emplacement extérieur au moins audit plan de contact afin de capter de la lumière provenant de l'illuminateur, diffusée par le contact d'un objet d'entrée de données avec au moins ledit plan de contact, et un processeur d'entrée de données recevant une sortie provenant du capteur d'images bidimensionnelles et fournissant une entrée de données à un circuit d'utilisation.

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