: The IBM Simon debuted as the first smartphone with a touchscreen. Core Technologies
Most modern "long" touchscreens use one of three main sensing methods: touch screen
Touchscreen technology combines a touch sensor, a controller, and software to detect human interaction. : The IBM Simon debuted as the first
: E.A. Johnson invented the first capacitive touch display for air traffic control. touch screen
: Bill Colwell developed the first curved glass touch interface.