The amount of power needed for the pen is extremely low (microwatts), so the super capacitor can get charged up in a matter of seconds and then continue to work for hours. This allows for the creation of thinner, smaller pens that will work better with handhelds and tablets (5.5mm and 8mm diameter pens). There’s also a new rechargeable pen available that uses a super capacitor to allow for rapid recharging. The G4 platform also improves palm rejection and less pressure is required to start inking, again with the goal of mimicking the ballpoint pen experience. The new pen features improved pressure sensing, it’s quieter, and when combined with the new G4 controller and you get improved speed and accuracy as well. There are also two new tips for the Pen2 that provide different levels of friction to more closely emulate the experience of pen on paper (either ballpoint pen or roller-ball), and additional pen tips are in the works due for production this summer. there’s less lateral movement and less axial movement).
The DuoSense Pen2 comes with a finer tip and it has modified internals with different bearings and tolerances (e.g. Many of the changes with the DuoSense Pen2 are quite subtle at first glance you might not be able to tell the difference between the two models, but on closer inspection the refinements become apparent. We didn’t get a chance to fully test a solution with a G4 controller, unfortunately, but the Pen2 is backwards compatible with existing N-trig platforms so if you’re in need of a new stylus you can look into upgrading. Recently, N-trig has rolled out their new line of pens and controllers, the DuoSense Pen2 and the Gen 4 (G4) sensor/controller. Some of the key applications they ship with include OneNote, Sketchbook Express, and a variety of other applications (depending on the notebook/tablet OEM).
Examples of current high profile devices with N-trig hardware include the Sony VAIO Duo 11/13, ASUS Taichi, Fujitsu Q702, and we would expect to see additional options in the near future. N-trig has been doing pen inputs for laptops/tablets/PCs since 1999, originally starting with desktops but now moving into the premium tablet space. We’ll get to the new DuoSense Pen2 in a moment, but let’s start with some quick background information on N-trig first. Fast forward five months and not only can we talk about their new pen, but we actually have a test platform in the HTC Flyer to play with. Just what can you do with a stylus that you can't do with capacitive touch? We met with N-trig at CES 2013 to see what they were up to, but they weren’t quite ready for us to post anything at the time. N-trig has been around since 1999 working on stylus hardware, and they disagree. With the dawn of capacitive touch displays and the iPhone, iPad, iPod Touch, etc., some might think the day of the stylus is past. Introducing N-trig’s DuoSense Pen2 Stylus
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