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Re: Stylus that does not have soft rubber tip
To clarify this is the difference between a 2d sensor oriented toward fingers vs a virtual 3d sensor array operating independently of the mere capacitive sensor. A true stylus device emits a field that fully powers an interaction with buttons and pressure sensors on the stylus itself. It tracks the position of the tip but also the rotation and angle of the body of the stylus. A full precision implementation as seen on a PC connected tablet will have writing and erasing tips with more than 512 pressure steps, the ability to simulate calligraphy, and one or more extra buttons (often also pressure stepped) which are programmable to such tasks as touchless airbrushing. Many newer such interfaces can also launch programs, control presentations and accept special gestures.
Originally Posted by dimbulb71
Nearly as good as the 'light pen' from ancient professional design workstations.