7Cheng K, Pulo K.Direct interaction with large-scale display systems using infrared laser tracking devices[C]//Australasian Symposium on Information Visualisation, Adelaide,Australia, 2003 : 67-74.
8Cavens D,Vogt F,Fels S,et al.Interacting with the big screen: pointers to ponder[C]//ACM SIGCHI'02 Conference on Human Factors in Computing Systems,Minneapolis,Minnesota, USA, 2002: 678-679.
9Hamana A, Yokoyama J.Presentation system using laser point: US,US2003/0067441A1[P].2003-04-10.
