Sisvel a developer of patent ideas and licensing programs and start up 3D Switch are advocating a new device that gives your TV the wherewithall to automatically recognize whether you are watching 2D or 3D.

For active glasses, given the already high cost of the glasses and [that] these already contain a battery and some electronics, our solution comprises a capacitive sensor that ‘feels’ the head of the viewer and uses this information to send infrared commands to the TV, hence the additional cost of this solution if basically zero.

“For passive glasses, the TVs have to be equipped with a camera that looks at the viewers and has some special electronics to recognize if they are wearing glasses and can differentiate between ordinary glasses and polarized glasses for stereoscopic viewing. Read the full story at Gizmag