Ex Parte TSAI - Page 3




          Appeal No. 2001-2088                                                        
          Application No. 09/121,177                                                  


          geometric relationship;                                                     


               operate said moving means and the positioning means such               
          that said tracking arm and the positioning arm synchronously are            
          maintained in said geometric relationship;                                  
               operate said position determining means to measure the                 
          position of said tracking arm and therefrom infer the positions             
          of the positioning arm and the read/write head inside the disk              
          drive assembly; and                                                         
               direct the disk drive assembly to position and maintain the            
          read/write head as desired for servo track writing in the media.            

               The examiner relies on the following reference:                        
          Tsai           5,315,372                        May 24, 1994                


               Claims 1-6, 9 and 10 stand rejected under 35 U.S.C. 103 as             
          unpatenable over Tsai.                                                      
               Reference is made to the briefs and the answer for the                 
          respective positions of appellant and the examiner.                         


                                       OPINION                                        


               At the outset, we note that the prior art reference applied            
          against the instant claims is a patent issued to appellant.  The            
          instant invention is said to be an improvement over that patent             

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