Ex parte NAGANO et al. - Page 2

          Appeal No. 1997-4447                                                        
          Application No. 08/309,907                                                  

               We have carefully reviewed our original opinion in light               
          of appellants’ request, but we find no point of law or fact                 
          which we overlooked or misapprehended in arriving at our                    
          decision even in light of appellants’ current arguments set                 
          forth in the request for reconsideration.  We find no error in              
          the analysis or logic set forth in our original opinion.                    
               In a nutshell, we basically found in our original opinion              
          that the tracking error determinations in Koyama were a                     
          sufficient indication to the artisan of the determination of a              
          kind of eccentricity as set forth in the preamble of the                    
          claims on appeal and in the concluding portion of the                       
          respective independent claims on appeal that we found                       
          sufficient basis to affirm the examiner’s rejection of the                  
          claims on appeal.  At the time of our original opinion, we                  
          were well aware that Koyama contains within its teachings                   
          distinctions between a tracking error signal and an                         
          eccentricity component determination.  We, therefore, do not                
          consider so limiting the teachings of Koyama of a tracking                  
          error signal as to exclude them from consideration of a                     
          broadly defined method of “measuring the amount of                          
          eccentricity” of an optical disk of the claims on appeal.  We               


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