Ex parte DULAC et al. - Page 3



          Appeal No. 1996-3365                                                        
          Application 08/258,357                                                      



                    1.  Apparatus for selectively connecting busses                   
          within a first plurality of busses with busses within a second              
          plurality of busses, comprising:                                            
                    a first plurality of bus multiplexers including a                 
          bus multiplexer corresponding to each bus within said second                
          plurality of busses, each one of said first plurality of bus                
          multiplexers having an output connected to said bus                         
          multiplexer's corresponding bus and having a plurality of                   
          inputs corresponding to each bus within said first plurality                
          of busses, each one of said inputs being connected to said                  
          input's corresponding bus; and                                              
                    a parity generation circuit having an output and a                
          plurality of inputs corresponding to each bus within said                   
          first plurality of busses, each one of said parity generation               
          circuit inputs being connected to said one of said parity                   
          generation circuit input's corresponding bus; and                           
                    wherein each one of said first plurality of bus                   
          multiplexers has an additional input connected to the output                
          of said parity generation circuit.                                          

                                                                                     
                    The Examiner relies on the following references:                  
          Hillis              5,175,865           Dec. 29, 1992 (filed                
          7/1/91)                                                                     
          Callison et al.     5,206,943           Apr. 27, 1993 (filed                
          11/3/89)                                                                    

                    Claims 1 and 3 stand rejected under 35 U.S.C. § 103               
          as being unpatentable over Hillis in view of Callison.                      
                    Rather than reiterate the arguments of Appellant and              
          the Examiner, reference is made to the brief and answer for                 
          the respective details thereof.                                             

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