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The touch screen technology used in our current smartphones is a major technological revolution, especially with the widespread use of most devices: tablets, mobile phones, medical devices, ATMs, systems GPS, cash registers and others. But many do not know that they owe the merit to the famous EA Johnson who has come up with the core of the touch screen.
Although some people thought that Apple was the inventor of the touch screen, after offering it the first iPhone touch phone in 2007, the fact that touch screens are not the only way to get the touch screen. Apple's invention, but only had the merit of further developing and disseminating. After EA Johsonson created the touch screen in 1965, he developed a touchscreen tablet and patented it in 1969.
This instrument was continued in air traffic control until 39, in 1995, and it was the fault of this device is its response to one touch at a time, and does not support multi-touch, this idea is the core of the development of touch screens in our hands The American inventor "J. Samuel Hearst" and developed a touch screen with a resistive touch, which took more form through the story to the current form.
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