Last week, Apple filed with the US Patent and Trademark Office, an application for patent around its latest "Active Stylus" technology.
The patent wasn't however, filed in Apple's name, but by two employees of Apple, engineering manager Jonah Harley and hardware engineering manager David Simon, and the Cupertino-based company can take assignment for the patent before it is granted.
According to the filing, "the stylus includes an electrode at a tip of the stylus; and powered circuitry coupled to the electrode and configured for capacitively coupling the electrode with a capacitive touch sensor panel. The powered circuitry can further include drive circuitry configured to output a drive voltage at the electrode and/or sense circuitry configured to sense a voltage received at the electrode."
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