| Objects placed on capacitive multi-touch surfaces are usually only detected when the user is touching them. As soon as the user lets go of...
| Objects placed on capacitive multi-touch surfaces are usually only detected when the user is touching them. As soon as the user lets go of...
| Persistent capacitive tangibles detect whether they are currently laying or not on an (unmodified commercially available) capacitive touch s...
| How to detect objects placed on a touch screen...