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Apple has been granted a patent by the U.S. Patent and Trademark Office for a touch-based Pencil that has removable and exchangeable components.
Each removable component provides distinct features, allowing the user to select various capabilities by employing each of the various functional modules,
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It can perform operations like pause, advance or reverse playback, and advance or reverse to another episode, track, or photo.
The removable component can also function as a connector for charging and communicating with the stylus.
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Apple Pencil could include a tip with ink, paint, lead, or graphite that can be used for markings on a physical surface.
The functional components could also include sensors, cameras, biometric readers, displays, switches, buttons, speakers, compass, microphones, voice coils.