What can Nintendo add to the 3DS' successor?

[jonathanalis]

Ninten78 said:

MDMAlliance said:

They might implement this patent:

Whats 190 pointing to? Did Nintendo patent this?

 

imo, 190 seems to be an acessory for 3DS camera.

Is a conic mirror, so the camera could see all arround and discover the pen position and make the screens objects react to the pen position.