ALEXANDRIA, Va., June 12 -- United States Patent no. 12,299,218, issued on May 13, was assigned to reMarkable AS (Oslo, Norway).
"Active pen-stylus precise eraser" was invented by Gaute Wiig Nordby (Oslo, Norway), Torje Asdahl (Oslo, Norway), Anna Karoline Oren Lillerud (Oslo, Norway) and Espen Lie (Oslo, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the invention provide an improved structure and method for determining the tilt angle associated with the erasure component of an active pen-stylus relative to the display on a matching computing device by analysis of two different antenna signals associated with the erasure function and then employing this calculated tilt angle to determi...