Re: [NTLK] OS X's Inkwell, and the Newton Mini

From: Joshua Cearley <joshua.cearley_at_gmail.com>
Date: Tue Jul 10 2007 - 17:35:07 EDT

On 7/10/07, ygor@comcast.net <ygor@comcast.net> wrote:
> A pointy fingernail ?

Wikipedia on Capacitive Touch Screens
> A capacitive touch panel must be touched by hand or other conductive objects.
> Contact with a conductive object results in a capacitance change, which can be
> detected for example by a using an oscillator or a bridge circuit.

A pointy fingernail might work, but those are attached to a hand which
theoretically would conduct the signal. I suppose if you made the nib
out of a little bit of cheap conductive material, you would have your
pen nib to type/draw with. I don't have an iPhone to test that theory
with, though.

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Received on Tue Jul 10 17:35:10 2007

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