Ex parte HOBSON et al. - Page 1




               The opinion in support of the decision being entered today was not         
                written for publication and is not binding precedent of the Board.        

                                                               Paper No. 30               


                          UNITED STATES PATENT AND TRADEMARK OFFICE                       
                                       _____________                                      
                             BEFORE THE BOARD OF PATENT APPEALS                           
                                     AND INTERFERENCES                                    
                                       _____________                                      
                                 Ex parte DANIEL E. HOBSON                                
                                           and                                            
                                      PHILIP R. WOODS                                     
                                       _____________                                      
                                   Appeal No. 2000-1252                                   
                                 Application No. 08/522,839                               
                                      ______________                                      
                                   HEARD: MARCH 7, 2002                                   
                                      _______________                                     
          Before HAIRSTON, KRASS, and BARRY, Administrative Patent                        
          Judges.                                                                         
          HAIRSTON, Administrative Patent Judge.                                          
                                                                                         
                                   DECISION ON APPEAL                                     
               This is an appeal from the final rejection of claims                       
          1 through 8 and 11 through 13.  In an Amendment After Final                     
          (paper number 11), claims 1, 5 and 11 were amended.                             
               The disclosed invention relates to a method and apparatus                  
          for eliminating the effects of repeatable runout (RRO) signals                  
          in a servo position error (SPE) signal in a disk drive.                         
          During the period of a mechanical revolution of the disk                        





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