Duo For Laptop from Hanwha

From Akihabara News -

Hanwah Japan launched its “Duo for Laptop," a digital pen that lets you write directly on your Laptop’s screen, effectively converting it into a Table PC!

To use it you put a receiver on the top of your screen. The receiver captures your move through Infrared and Ultrasonic technology. But the drawback is this “Duo for Laptop” is only compatible with 15.4-Inch LCD Screen.

Receiver unit size: 77 × 58 × 8.5mm
Pen Size: 16.5 × 130mm (Diameter x length)
Weigh: 17.5g
Resolution: 600 dpi
Price 9980 Yens (79€)