Here’s a bulky old CRT monitor used as a touch-screen without any alterations. It doesn’t use an overlay, but instead detects position using phototransistors in the fingertips of a glove.

Whereas a CRT displayed the dot on its screen in perfect synchronization with ... using a Wiimote with its sensor bar on top of the TV through a Raspberry Pi, and feeds the positional information ...

An earlier large-screen TV that employed several technologies to generate the image. Rear-projection TVs (RPTVs) were developed to extend the size of the CRT TV, which for practical purposes maxed ...