Scanning FTIR
Jon Moeller, Andruid Kerne · 2010
We describe a new method of multi-touch sensing which can be unobtrusively added to existing displays. By coupling individually controlled optoelectronics to the edge of a planar waveguide, our scanning approach overcomes prior disadvantages of optoelectronic multi-touch sensing. Our approach allows for a completely transparent touch surface and easy integration with existing LCD displays.