Ex parte HOSOMIZU et al. - Page 29




          Appeal No. 95-3876                                                           
          Application 08/222,009                                                       

          over the structure in Iwata.  If this is not what was                        
          intended, the solution is, of course, for appellants to amend                
          claim 14 to more precisely define the function or structure of               
          transistor Q3.                                                               
                    Lastly, under APJ Torczon's claim construction, we                 
          must consider both transistors Q3 and Q6 to be part of the                   
          structure described as corresponding to the control means.                   
          Even if this claim construction is what was intended by                      
          appellants, in my opinion, this would impermissibly read                     
          limitations into claim 14 not required under § 112, sixth                    
          paragraph.  Transistor Q6 allows transistors Q5 and Q4 to be                 
          turned off even when the TRIGL signal is still present, which                
          function is not recited in claim 14.  Again, if appellants                   
          intend the control means to cover the transistor Q6, the                     
          solution is to amend claim 14 to more precisely define the                   
          function or structure of the circuit.                                        





                                                        ) BOARD OF                     
          PATENT                                                                       
                              LEE E. BARRETT                 )                         
          APPEALS                                                                      
                                        - 29 -                                         





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