| 摘要 |
<p>An electronic pen comprises a casing, a tip protruding from said casing, which tip is intended to be applied to a substrate, wherein the position of the tip on the substrate is determinable, and a communication unit, which is arranged to transmit position data to an external unit. The communication unit comprises a metal piece having a slot extending in the metal piece, whereby said metal piece forms a slot antenna, said metal piece being arranged inside or forming at least part of said casing.</p> |
