A pointing device incorporates a force feedback mechanism driven by an actuator to convey physical sensations to the user. A position sensing apparatus is provided for monitoring the position of the user manipulable object in the pointing device. The sensing apparatus employs sensors that are directly...http://www.google.fr/patents/US6573885?utm_source=gb-gplus-shareBrevet US6573885 - Folded gear drive force feedback mechanism with direct drive sensors
Folded gear drive force feedback mechanism with direct drive sensors
