American know-how: how much is the world's first tablet for the blind
Фото: Depositphotos
In the photos that hit the Internet, it is clear that the surface of the screen of such a tablet is made of small bubbles. According to the developers, they are able to inflate when pumping fluid into them and fold into Braille characters. Existing braille readers need to be connected to the display separately.
Points in them are formed on the surface by physically pushing the pins using miniature motors. This design makes them not only very massive, but also expensive. The cost of such devices, most of which are capable of displaying only a few dozen characters, averages $ 55000. But the new microfluidic tablets reproduce the font directly on the screen and cost about $ 1000.
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