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The Touching History of Touchscreen Tech
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Screen Type Clear. Processor Cores Clear. Processor Brand Clear. Processor Name Clear. RAM Clear. Internal Storage Clear. Dual Rear Camera Clear. Rear Camera Clear. Front Camera Clear. Rear Camera Features Clear. Video Recording Clear. Battery Capacity Clear. This completes a circuit, telling the device which part of the screen is being pressed. Multi-touch technology began in , when the University of Toronto developed a tablet that could read multiple points of contact. Bell Labs developed a touchscreen that could change images with more than one hand in Around the same time, Myron Krueger developed an optical system that tracks hand movements.
This was the beginning for the gestures we've adapted to so easily today. A year later, the University of Toronto and Bill Buxton, a computer scientist and pioneer of human-computer interaction, innovated the multi-touch tablet using capacitive technology. In the s, computer scientist Andrew Sears conducted an academic study on human-computer interaction. The review described single-touch gestures, such as rotating knobs, swiping to activate — and multi-touch gestures like connecting objects and tapping to select.
Over the next few decades, touchscreen technology continued innovating itself. Screens became more receptive to touch and gestures, and more innovative moments were focused on the devices. The HP was one of the earliest commercialized touchscreen computers, made in The feature consisted of a series of vertical and horizontal infrared light beams that crossed just in front of the screen. Touching the screen would break the infrared and place the cursor at the desired location. In , this bit color computer software was created by Gene Mosher under ViewTouch copyright.
For the first time, multiple devices — like the mouse or keyboard — could be plugged in at the same time. This multiple input technology would later be used in today's smartphones and tablets. A few competitors came out in the early '90s, but most mobile devices with touchscreens were more like PDAs.
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