The DuoSense single-chip solution is the first single-chip on the market to support both pen and multi-touch input for mobile computing, allowing for easier integration and flexibility in thinner and slimmer computing designs.

ENGADGET: N-Trig pen tech whittled down to single DuoSense chips and sensors, shrinks scribblings to travel size

N-trig's active pen enables smooth and simple content creation in a mobile environment, empowering enterprise users to conduct on-screen editing, precise drawing and designing, document-signing and long-distance collaboration.

ENGADGET: N-trig release teases that Fujitsu's Stylistic Q702 will come with active pen support

Pentax previewed a Bluetooth version of its mobile printer and Logitech showed a Bluetooth version of its io digital pen.

ENGADGET: Switched On: The Blossoming of Bluetooth

Along with excellent ergonomics, Fujitsu makes mobile data entry easier by combining a multiple touch interface with precise and pressure-sensitive pen input.

ENGADGET: Fujitsu's Stylistic Q550 Windows 7 tablet: orders kick off tomorrow starting at ��699

Well, considering Android was built primarily around finger input, the stylus certainly adds a new (and rather unexpected) dimension to Google's mobile OS, which is why HTC's focused quite a bit on adding some pen-based applications.

ENGADGET: A closer look at the HTC Flyer's screen, stylus, and Scribe

"Our new active pen combines the comfort and familiarity of writing on paper with the convenience and portability of mobile computing, " said Gary Baum, AVP Product Marketing.

ENGADGET: N-trig release teases that Fujitsu's Stylistic Q702 will come with active pen support