US Patent 11669209 Touch sensitive processing method, apparatus and touch system

A touch sensitive processing method, comprising: performing mutual capacitance detection via a touch panel to retrieve an image which including two-dimension sensing information; calculating one or more touching or approximating event corresponding to externally conductive object according to the image; determining whether an area surrounding a position corresponding to the touching or approximating event is normal; and reporting the touching or approximating event in response to the area is determined normal.