Ex parte LIU - Page 14




          Appeal No. 1996-1767                                      Page 14           
          Application No. 08/220,410                                                  


               The multiplication result from the multiplier M1 is                    
          supplied  to inter alia a first input terminal of an adder A1.              
          The multiplication result from the multiplier M2 is supplied                
          to  inter alia a second input terminal of an adder-subtracter               
          AS1.  Id. at ll. 38-42.                                                     


               Because Fujii’s adder A1 sums the outputs of inter alia                
          the multiplier M1, which operates in synchronism with the                   
          clock signal CK1, the adder output data in synchronism with                 
          the clock signal CK1.  This is the same clock signal with                   
          which the flip-flop FF1 stores and outputs data.  The clock                 
          signal determines the frequency at which data are input and                 
          output.  Therefore, we find that the reference teaches                      
          inputting and outputting signals at the same frequency.                     


               Regarding claims 1-8, 12-13, and 25-31, the appellants                 
          argue, “Fujii does not disclose ... the lattice wave digital                
          filter ....”  (Appeal Br. at 8.)  The examiner replies,                     
          “relative to claim 1 this is merely ‘intended use’ and                      
          relative to claim 25 it is only recited in the preamble with                
          the body of the claim defining the lattice wave digital filter              







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