Ex parte CALLAGHAN et al. - Page 18




          Appeal No. 96-2179                                          Page 18           
          Application 07/613,466                                                        
          already noted, claims depending from claims 1 and 38, in this                 
          case claims 3-11, 14-24, 42, and 43-48, are sufficiently                      
          indefinite to make a prior art analysis pointless.  The                       
          rejection of remaining claims 28, 30-33, 35-37, 52-57,                        
          and 59-61 is based solely on Nappholz and Callaghan '900.                     
               37. We have already found that Callaghan '900 teaches                    
          the basic structure and acts of the invention with the                        
          exception of the self-adapting function.  We have also already                
          found that Nappholz teaches the advantages of self-adaption                   
          with respect to a rate control parameter.  We find that                       
          Nappholz would have motivated a person having ordinary skill                  
          in the art to modify its use of the depolarization gradient to                
          implement self-adapting rate control.  We do not, however, see                
          a suggestion in the record on how this would have been                        
          accomplished.  Moreover, the combination of these references                  
          does not suggest the specific acts of Appellants' claimed                     
          method in itself or as implemented in programmed means.                       
               38. Neither the examiner nor Appellants have suggested a                 
          range of equivalent structures or acts against which we might                 
          compare the combination.  We find the disclosed acts and                      
          corresponding means sufficiently detailed (e.g., a flow chart                 
          covering ten pages with many branches and loops) to admit few                 
          practical equivalents.                                                        





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