Virtual screen input system for mobile phone

Instead of pressing a key on a mobile phone, if you use a pen to project a virtual area projected by a laser, you will automatically recognize it and input it. Feel like handwriting recognition + virtual screen keyboard. This is Samsung's patent which was filed in this prior application.
Wireless, cell phones, mobile phone reviews

Input like this

By the way, this keyboard version already exists.

NIPPON STYLE :: "Virtual Keyboard (VKB)"

Virtual Keyboard

in Hardware, Posted by darkhorse_log