A mechanical interface for providing high bandwidth and low noise mechanical input and output for computer systems. A gimbal mechanism includes multiple members that are pivotably coupled to each other to provide two revolute degrees of freedom to a user manipulatable about a pivot point located remotely...http://www.google.com.au/patents/US6705871?utm_source=gb-gplus-sharePatent US6705871 - Method and apparatus for providing an interface mechanism for a computer simulation
