TOUCH vol. 8 | Page 19

TOUCH Issue 8: A Brief History of Touch-Screen Technology -screen technology 1993 the first touchscreen phone released by IBM in partnership with BellSouth 1990s 1993 Apple releases its touchscreen PDA 2000s 2006 2010s Jeff Han produces a new development in touch-technology interfaces by designing a computer screen solely operated through touch and it worked by using “frustrated total internal reflection”. (though this technology has not yet made it into our mainstream touch devices).