PORTABLE DEVICE COMPRISING A TOUCH SCREEN AND CORRESPONDING METHOD OF USE
摘要
The invention relates to a portable device including a touch screen and at least one area bearing reference information, referred to as the reference area, which can be identified by detecting a variation in the surface state on said device.
申请公布号
CA2797321(A1)
申请公布日期
2011.11.17
申请号
CA20112797321
申请日期
2011.05.06
申请人
COMPAGNIE INDUSTRIELLE ET FINANCIERE D'INGENIERIE"INGENICO"
