Skin Buttons: Cheap, Small, Low-Power and Clickable Fixed-Icon Laser Projectors 
Added 4 years ago by Gemma Copeland
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Skin Buttons: Cheap, Small, Low-Power and Clickable Fixed-Icon Laser Projectors 
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We present Skin Buttons, tiny laser projectors integrated into the smartwatch to render icons on the user's skin. These icons can be made touch sensitive, significantly expanding the interactive region without increasing device size. We show a proof-of-concept device and demonstrate example applications.
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