Ex parte ERDELYI et al. - Page 11




          Appeal No. 97-0951                                                          
          Application 08/148,452                                                      

               As discussed in connection with the rejection of                       
          claim 1, it is not known how the Examiner is applying Wong.                 
          In particular, we do not know which inverters in Wong the                   
          Examiner considers to be the claimed inverters and which                    
          elements the Examiner considers to be the pair of switching                 
          transistors.  Under either of the interpretations we                        
          presented, we find no motivation to add a clamping circuit                  
          as shown in Yamate.  Further, we find no motivation to add                  
          current limiting transistors as recited in claims 1 and 5.                  
          As discussed in connection with the rejection of claim 15,                  
          we find no discussion in the Examiner's rejection of the                    
          limitations of the regulator circuit and, thus, we find no                  
          motivation to add a regulated voltage source as recited in                  
          claim 16.  For all these reasons, the Examiner has failed to                
          establish a prima facie case of obviousness.  The rejection                 
          of claims 2, 5-13, and 16 is reversed.                                      










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