Scrolling input arrangements are presented including: a flexible membrane; a number of capacitive sensors mechanically integrated with the flexible membrane, the capacitive sensors radially disposed with respect to a first axis that is perpendicular with respect to the flexible membrane; an integrated...http://www.google.fr/patents/US20080036734?utm_source=gb-gplus-shareBrevet US20080036734 - Scrolling input arrangements using capacitive sensors on a flexible membrane
Scrolling input arrangements using capacitive sensors on a flexible membrane
