Ex parte DAILY et al. - Page 3




          Appeal No. 1998-0621                                                        
          Application No. 08/323,288                                                  


                    display device separately to each eye of a user                   
                    to create a binocular virtual screen image to                     
                    the user that has a virtual screen size                           
                    independent of the size of said at least one                      
                    display screen of said at least one display                       
                    device; and,                                                      
                         user controlled input head position means                    
                    coupled to said computer, the position means                      
                    generating said position control signal as an                     
                    input to said computer to selectively change                      
                    said selected viewing location.                                   
                                                                                     
               The Examiner relies on the following references:                       
          MacKay et al.       5,148,154                Sep. 15, 1992                  
          (MacKay)                                                                    
          Price et al.        GB 2,206,421        Jan. 5, 1989                        
          (Price)                                                                     
          Fisher et al. (Fisher), "Virtual Environment Display System",               
          ACM Interactive 3D Graphics, Oct. 1986, pp. 1-11.                           
               Claims 1 through 4 and 7 through 10 stand rejected under               
          35 U.S.C.  103 as being unpatentable over Price in view of                 
          MacKay.                                                                     
              Claims 5 and 6 stand rejected under 35 U.S.C.  103 as                 
          being unpatentable over Price in view of MacKay and further in              
          view of Fisher.                                                             





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