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How many Multi-Touch points can an iPhone/iPod touch/iPad have at the same time?

M

Mic'sBook

macrumors regular
Original poster
Feb 20, 2010
130
181
Hong Kong
(As the topic)

I am curious as IIRC (but forgot where the article is on the Internet),
if a touch surface is wanted to be able to detect more than 1 touch point at the same time,
then that touch surface needs adding 1 more conductive(?) layer.
(e.g. 2 points -> 2 layers, and so on)

So I wonder how many these layers are on the iPhone / iPod touch / iPad or even the trackpad on every MacBook (Pro).

(correct me if I'm wrong)

Just curious, thanks in advance! :)
 
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