The present invention pertains to a method of instruction and simulated training and competitive play or entertainment in an activity that couples cognitive and motor functions, in particular, the playing of the game of hockey. The invention includes a computer used to view and to control images of hockey...http://www.google.com.hk/patents/US5890906?utm_source=gb-gplus-share專利 US5890906 - Method and apparatus for tutorial, self and assisted instruction directed to simulated preparation, training and competitive play and entertainment
