InkLink
The InkLink is similar to the SmartPad one also from Seiko Instruments marketed device for digitizing.
The InkLink itself is just an adapter, which is clamped over a normal writing pad, measures the position of a special pen using ultrasound and outputs this either to a PDA , a PC or a notebook via infrared or USB connection .
The software only works on PCs with Microsoft Windows ; with Windows Vista and Windows 7 versions , the compatibility mode must be used for perfect functionality.
The InkLink pen is powered by three type SR41 button cell batteries.