in 1977 by Bent Stumpe, a Danish electronics engineer, for the control room of CERN’s accelerator SPS (Super Proton Synchrotron).
This was a further development of the self-capacitance screen (right), also developed by Stumpe at CERN Frank Beck and Bent Stumpe, engineers from CERN, developed a transparent touchscreen in the early 1970s, based on Stumpe's work at a television factory in the early 1960s.
Then manufactured by CERN, it was put to use in 1973.
Touchscreens are common in devices such as game consoles, personal computers, tablet computers, electronic voting machines, and smartphones.
They can also be attached to computers or, as terminals, to networks.
They also play a prominent role in the design of digital appliances such as personal digital assistants (PDAs) and some e-readers.
A touchscreen is an input device normally layered on the top of an electronic visual display of an information processing system.
A user can give input or control the information processing system through simple or multi-touch gestures by touching the screen with a special stylus and/or one or more fingers.
Some touchscreens use ordinary or specially coated gloves to work while others use a special stylus/pen only.The user can use the touchscreen to react to what is displayed and to control how it is displayed; for example, zooming to increase the text size.The popularity of smartphones, tablets, and many types of information appliances is driving the demand and acceptance of common touchscreens for portable and functional electronics.Touchscreens are found in the medical field and in heavy industry, as well as for automated teller machines (ATMs), and kiosks such as museum displays or room automation, where keyboard and mouse systems do not allow a suitably intuitive, rapid, or accurate interaction by the user with the display's content.Historically, the touchscreen sensor and its accompanying controller-based firmware have been made available by a wide array of after-market system integrators, and not by display, chip, or motherboard manufacturers.Display manufacturers and chip manufacturers worldwide have acknowledged the trend toward acceptance of touchscreens as a highly desirable user interface component and have begun to integrate touchscreens into the fundamental design of their products.