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1 Touchscreens. Toggle Touchscreens subsection. 1.1 Capacitive. 1.2 Projected capacitive (PCAP) 1.3 Surface acoustic wave (SAW) 1.4 Bending wave. 1.5 Resistive. 1.5.1 ...
The technology was created by SoundTouch Ltd in the early 2000s, as described by the patent family EP1852772, and introduced to the market by Tyco International's Elo division in 2006 as Acoustic Pulse Recognition. [95] The touchscreen used by Elo is made of ordinary glass, giving good durability and optical clarity.
The Prada was the first smartphone with a capacitive touchscreen, thus not requiring the use of a stylus. [6] Its black minimalist look, designed by Kang-Heui Cha, [7] was an evolution of LG's popular Chocolate. [8] [9] The LG Prada was announced shortly before Apple CEO Steve Jobs announced the iPhone on 9 January 2007.
Radiation chemistry, heat-shrink tubing, touchscreens The Raychem Corporation was founded and headquartered in Menlo Park, California , in 1957 by Paul M. Cook , James B. Meikle, and Richard W. Muchmore. [ 1 ]
Many touchscreen technologies obtain two independent measurements per touch to acquire a 2-dimensional position. Given two distinct touches, however, this returns two pairs of measurements, which can be combined in two ways, producing an ambiguous result.
Electronic visual displays present visual information according to the electrical input signal (analog or digital) either by emitting light (then they are called active displays) or, alternatively, by modulating available light during the process of reflection or transmission (light modulators are called passive displays).
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