olemus
mitut üheaegset puudutust tuvastav ja töötlev,
näiteks puutetahvli pind, mobiilseadme akordekraan
=
technology which enables a touchpad or touchscreen to recognize more than one (or more than two points of contact with the surface

piltlikult
https://www.youtube.com/watch?v=HmFvSWGQXAM

https://www.youtube.com/watch?v=aC2B7f2xIyg

ülevaateid
http://scienceline.org/2012/01/okay-but-how-do-touch-screens-actually-work/

https://en.wikipedia.org/wiki/Multi-touch

https://www.medien.ifi.lmu.de/lehre/ws1011/mmi2/mmi2_uebungsblatt1_loesung_lindemann.pdf

http://www.aispro.com/Media/Default/Page/What%E2%80%99s%20New%20in%20Multi%20Touch%20Technology.pdf

https://www.electronicsforu.com/technology-trends/tech-focus/multi-touch-technology-system

https://www.displays2go.com/Article/Touchscreens-Past-Present-Future-87