A processor in a haptic joystick renders force effects that are applied to control handle gripped by a user. A plurality of force effects specified by a host computer to the processor are stored in a random access memory (RAM) that is coupled to the processor. Further, a plurality of force effects are...http://www.google.com.au/patents/US6005551?utm_source=gb-gplus-sharePatent US6005551 - Offline force effect rendering
