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Old 12-27-2010, 02:53 AM   #1
Fastolfe
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Device: Sony PRS-650
Patent of the touchscreen technology used in the PRS-x50s

For those who are curious about how the touchscreen on the 350, 650 and 950 works, I just found the patent granted to Neonode:

Optical Touch Screen Systems Using Wide Light Beams

Infrared touchscreens are nothing new, but Neonode's implementation is interesting. What's more, the patent is chock-full of easy to understand, self-explanatory illustrations, which is rare enough: most patent applications are convoluted and designed to bullshit their way through the review process, but this one obviously isn't.
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Old 12-27-2010, 03:17 AM   #2
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Device: Sony prs-900, prs-950, Nook Touch GL, Kindle Paperwhite
Interesting. I always wondered how they get multi-touch to work with this style touchscreen. now i know.
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