Originally Posted by SolipsismX
A bit OT but I would love for Apple to include a digitizer in their devices. I wouldn't expect them to include a stylus with their devices but it would open the door for the option. Of course, having world class APIs I would expect. If the Galaxy Note has anything I like it's the Wacom digitizer.
Any idea on the cost, thickness, power use, or any other obstacle that a digitizer has been being added to a touchscreen?
The two main pen system providers these days are Wacom and N-Trig.
N-Trig's digitizer consists of thin antenna traces or wires on top of the screen. They claim that their new combination capacitance (finger) and pen controller can be put into a device for about the same price as a capacitance controller alone.
Wacom's digitizer grid sits underneath the LCD screen, so it does not interfere with the visuals. Wacom is more expensive than N-Trig, but is also usually regarded as better. (Less likely to skip input.)
I'm not sure of power requirements for the screen antenna system. The pens run off either batteries, inductive power, or quick charge capacitors.
The cost is supposedly anywhere from $50 to $200 per device (lowest N-Trig to highest Wacom), depending on screen size etc.
PS. Current iPad third party active pens use IR and/or ultrasound locating methods.
Edited by KDarling - 1/10/13 at 6:48pm