Ex parte GO - Page 8




          Appeal No. 1998-1895                                       Page 8           
          Application No. 08/425,990                                                  


               Here, the examiner fails to identify a sufficient                      
          suggestion to combine van der Wal with Schreiber.  Schreiber                
          teaches "bandwidth-reduction systems ...."  Col. 1, l. 9.  For              
          its part, van der Wal discloses "multiresolution signal                     
          processing circuitry which has been simplified so that it may               
          be implemented as a single IC.  The circuitry includes a                    
          filter and is configured to accept input signals having                     
          imbedded                                                                    
          timing signals."  Col. 2, ll. 50-54.  Although van der Wal                  
          teaches that "[i]n this configuration, multiple signal                      
          processing circuits may be coupled in cascade to produce a                  
          multi-stage pyramid processing system", id. at ll. 58-60, the               
          examiner fails to identify a sufficient suggestion to add the               
          multi-stage pyramid processing system to the systems of                     
          Schreiber.                                                                  


               As aforementioned, the examiner relies only on certain                 
          lines in van der Wal for a suggestion to combine van der Wal                
          with Schreiber.  To put the lines in context, the full                      
          paragraph of the reference that contains the lines follows.                 









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