In mobile computing, multi-touch
refers to the capability of a screen-touch or a touch pad to recognize two or
more points of contact on the surface concurrently. The constant tracking of the multiple point
allows the allows the mobile phone interface to recognize gestures, which
enable advanced functionality such as pinch to zoom. The Multi-touch sensing
doesn’t work on the resistive type of budget touch phones; the capability comes
inherited in capacitive touch-screen.
In an effort of disambiguation or
marketing classification some companies further break down the various
definitions of Multi-touch.
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