Ex Parte Dutta et al - Page 10

             Appeal 2006-2911                                                                                   
             Application 10/005,551                                                                             

                   Daniels discloses that, depending on the sign bit of the second binary                       
             operand, the increment/decrement network selects either “the increment or                          
             decrement mode” of operation for INCH block 12.  (Daniels col. 4, ll. 66-68, col.                  
             5, ll. 5-35).  Subsequently, the multiplexer in Daniels, depending on the carry-out                
             signal, enables either INCH block 12 or TEMPH onto ABH bus.  (Daniels col. 5,                      
             ll. 47-58).  As such, we find no support in Daniels for the Examiner’s position and,               
             therefore, do not sustain the 35 U.S.C. § 102 rejection of claim 7.                                
                   With respect to claim 11, Appellants argue that Daniels fails to teach                       
             “multiplexer circuit configured to operate as an exclusive-or gate.” (Br. 8).  The                 
             Examiner relies on Figure 4A of Daniels and characterizes elements 64, 67 and 69                   
             as disclosing the claimed feature.  However, the Examiner fails to explain how                     
             elements 64, 67, and 69 relate to the disclosed multiplexer operating as an                        
             exclusive-or gate, nor do we find any teachings in Daniels in support of such                      
             position.  Accordingly, the 35 U.S.C. § 102 rejection of claim 11 cannot be                        
             sustained.                                                                                         
                   Turning now to claim 15, Appellants point out that Daniels fails to teach                    
             “wherein the operands are unsigned binary numbers.” (Br. 8).  The Examiner                         
             argues that the Daniels “system can operate on unsigned binary numbers.”                           




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