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Nvidia says Tegra 4 can power a better, cheaper stylus |
June 04, 2013
Nvidia is usually trumpeting the graphics performance of its Tegra 4 chip, but at the Computex trade show on Tuesday CEO Jen-Hsun Huang showed how its newest processor can be used to create a precise, affordable stylus for tablets.Nvidia is using the image processing technology in the Tegra 4, combined with its DirectTouch display technology, to allow an ordinary mechanical stylus to do work that normally requires a digital one.Huang showed the technology to a small group of reporters at Computex. Working on a small prototype Android tablet, he was able to apply various levels of pressure to create thick or thin lines on the screen -- calligraphy, as he called it. Normally he would have to touch menu buttons on the side of the display to change the thickness of the brush. Flipping the stylus over allowed it to be used as an eraser."We're using image processing technology to reduce the cost of a stylus, from $20 for a digital stylus to zero for a mechanical stylus," he said. The stylus can be made from any capacitive material, Huang said.To read this article in full or to leave a comment, please click here
Link: http://www.pcworld.com/article/2040699/nvidia-says-tegra-4-can-power-a-better-cheaper-stylus.html#tk.rss_all
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