Abstract
ImpActはタッチパネル環境において，ディスプレイ上のオブジェクトと直接的なインタラクションを可能にするペン型デバイスです．伸縮可能なスタイラスとディスプレイとの角度を取得するための各種センサを利用して，ユーザにあたかもペンが画面を突き抜けたかのように感じさせることが可能です．この技術により，画面内に存在するオブジェクトを直接的に操作し，そのフィードバックを得ることができます．
We present ImpAct, a novel force feedback stylus which enables 6-DoF interaction with touch screen display devices. Proposed stylus can dynamically change its effective length and equipped with sensors to calculate its angular position (yaw, pitch, roll) in world coordinates. When a user pushes it against a touch screen, physical stylus shrinks and a rendered projection of the stylus is drawn inside the screen giving the illusion that it submerged into the display device. ImpAct can be used to interact with touch screens using x, y transformation on surface, z transformation by pushing it on the screen and three angular transformations. According to its interactions with the displayed environment, haptic feedbacks were given to the user's hand. In this paper, we discuss possible interaction scenarios and prototype applications for ImpAct. Furthermore, results from our evaluation prove that the system can generate radial inputs with ±7.5mm average error rate and ±10o angular resolution at 91.7% success rate in roll angle control.