Ex parte ROBERTSON et al. - Page 4




          Appeal No. 1997-4224                                                        
          Application No. 08/474,866                                                  


          identified the two computers in Schreiber as the existing                   
          video board and the graphics board in Figure 3.  Assuming,                  
          arguendo, that the examiner’s interpretation is reasonable                  
          (the examiner has never explained why the video board and                   
          graphics board are considered to be “computers”), the instant               
          independent claims further require that each computer has an                
          address bus.  Yet, the examiner only identifies, at column 12,              
          line 40, and column 5, line 63, of Schreiber, a graphic                     
          processor having address and data buses.  It is unclear how                 
          this translates into an address bus for each of the video                   
          board and the graphics board identified by the examiner as                  
          being two computers.  Thus, it is unclear what, in Schreiber,               
          the examiner relies on for the teaching or suggestion of two                
          separate address buses.                                                     
               Further, the instant independent claims call for an                    
          address translator having address inputs for addresses                      
          supplied by the first computer and outputs for translated                   
          addresses to the address bus of the second computer.  While                 
          Schreiber discloses an address translator, at 420 in Figure 4,              
          it is unclear how this address translator meets the claim                   
          language without the required two address buses.  Moreover,                 
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