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Old 09-24-2008, 03:14 AM   #6
TadW
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Posts: 2,583
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Join Date: Jul 2003
Location: Italy
Device: Kindle
Quote:
Originally Posted by Taylor514ce View Post
I don't think it's the pen, I think it's the TABLET that senses the pen.
Yup. There is a Wacom sensor board installed directly behind the screen. The board generates a magnetic field, but does so only when the stylus is detached from its cradle. A resonant circuit in the stylus receives the magnetic energy and uses it to transmit a signal back to the sensor board, which reads the pen's location, angle, and speed atop the screen.
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