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A comment on Dry erase board lined with IR sensors to record pen strokes [video]. Parent comment

Re:Dry erase board lined with IR sensors to record pen strok... by djrogers on Friday September 11, 2015 @03:02PM (#10205551)
Looks like it did actually have an FP+ on the eraser there if you compare the phone to what he actually erased onscreen.

I'll second the request for more info though!

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Re:Dry erase board lined with IR sensors to record pen strok... by arey_abhishek on Friday September 11, 2015 @03:32PM (#10205706)
The eraser did actually touch the board, but appears like it didn't because of the reflective surface. :)
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