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Acoustic sensors make surfaces interactive

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Uploaded by on Nov 28, 2006

A series of acoustic sensors that turn any surface into a touch-sensitive computer interface have been developed by European researchers.

Two or more sensors are attached around the edges of the surface. These pinpoint the position of a finger, or another touching object, by tracking minute vibrations. This allows them to create a virtual touchpad, or keyboard, on any table or wall.

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  • Is there any paper or website about it?

  • resolution looks low as hell and there is lag.

  • use a projector and calibrate it

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