Ex Parte IIZUKA - Page 7




              Appeal No. 2002-0501                                                                  Page 7                 
              Application No. 08/556,427                                                                                   


                     Absent a teaching or suggestion of draining only the portion of mixed,                                
              unnecessary signal charges that exceeds the usual, proper, or specified amount, we                           
              are not persuaded of a prima facie case of obviousness.  Therefore, we reverse the                           
              obviousness rejection of claim 1; of claims 3-5, which depend therefrom; of claim 6; of                      
              claims 8 and 9, which depend therefrom; of claim 10; and of claims 12 and 13, which                          
              depend therefrom.                                                                                            


                                                     CONCLUSION                                                            
                     In summary, the rejection of claim 1, 3-6, 8-10, 12 and 13 are rejected under 35                      
              U.S.C. 103(a) is reversed.                                                                                   

























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