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Signals that appear when you touch the touch screen, recorded a set of specific sensors, and then interpreted by a special controller to the coordinates of the contact point - on this principle works most sensitive displays of modern electronic devices. NVIDIA has found a way to simplify the scheme and to remove from the chain intermediate in the form of a microcontroller, completely shifting its functions to the core of Tegra 3 SoC.
The decision has been called DirectTouch , not only allow better and faster recognition of screen touches, but also improve the energy efficiency of the device by reducing the amount of active drug charge. During Computex 2013 the permanent head of NVIDIA showed off a new stage in the development of technology DirectTouch .
Prototype seven-inch tablet based on Tegra 4 processor can enter information by a conventional capacitive pen, the device detects the pressing force : by changing the pressure on the screen can vary the thickness of the drawn line, for example. The reverse side of the pen is used to erase failed strokes.
Recognition accuracy and responsiveness really are at a high level, taking into account that it is an ordinary tablet and transfer rather than a specialized solution. Related Products :
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