A computer input device includes a body and a trace-detecting module coupled to the body. The body has a micro control unit (MCU), and the trace-detecting module has at least a light pervious area, and a trace-detecting unit. The trace-detecting unit further has at least a light source and a sensor....http://www.google.fr/patents/US20070200826?utm_source=gb-gplus-shareBrevet US20070200826 - Computer input device for automaticall scrolling
Numéro de demande: 11/797,122 Numéro de publication: US 2007/0200826 A1 Date de dépôt: 1 mai 2007 Brevet délivré: US7859517 ( Date de délivrance 28 déc. 2010)