The glasses use liquid crystal lenses that act as shutters, alternately opening and closing the view to the screen. Also called "wireless glasses," they are designed for one type of active 3D ...

(1) See LC shutter glasses. (2) A method of directing light onto the drum in an electrophotographic printer. A matrix of liquid crystal dots function as shutters that are opened and closed.

This circuit is how [John Tsiombikas] makes his cheap 3D shutter glasses work with a Linux machine. It’s not that they were incompatible with Linux. The issue is that only certain video cards ...