Nvidia Demos New 'DirectStylus' for Tegra 4 Tablets

Nvidia has unveiled a new fine-tip stylus for Tegra 4-based tablets that is low-cost and functions similarly to natural writing.

Nvidia CEO Jen-Hsun Huang demonstrated the company's DirectStylus technology at computer trade show Computex in Taipei, Taiwan, on Tuesday. The stylus works with the Tegra 4's image-processing power to figure out the difference between the stylus, its eraser, your finger and palm, according to Nvidia. That means the stylus purportedly operates as naturally as a pencil: one side writes and the other side erases.

DirectStylus is supposed to write smoothly, since it can scan detailed movement as you move across a tablet screen. Nvidia says the stylus works with technology that "supports up to 300 scans a second (five times the typical 60Hz touch scan rate)." Read more...

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