Apple also recently obtained a patent, the
patented technology allows the user to detect the intensity of touch on the
display device used. This patent uses a called frustrated total internal
reflection (FTIR) techniques and the touch sensor to determine the current
intensity applied to the display.
Multi-touch FTIR alternative is essentially
a test. FTIR uses infrared light reflected back to determine the display case.
If there is no interference, infrared light can be completed by screen
reflection; If interference occurs (such as a finger on the display), the
sensor will identify this touch operation to determine the location from which
the display.
Interference and touched by comparing FTIR
data, the technology Apple users can determine a force exerted on the display.
Previously, Apple tried to estimate the intensity of their mobile devices by
acceleration sensor. For example, Apple's GarageBand application which will use
the acceleration sensor, the user can determine the intensity of a key on the
virtual keyboard applied to adjust the volume accordingly.
This technology can be implemented in
addition to "click" and "as more expressive than the makeup
touch input. The patent filing in 2012, he will be able to become a new
attraction iPhone6.
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