Ex parte LEMKE et al. - Page 2




             Appeal No. 1997-3933                                                                                     
             Application No. 08/193,179                                                                               


                                                  BACKGROUND                                                          

                    The appellants' invention relates to an arcuate scanning tape drive.  An                          
             understanding of the invention can be derived from a reading of exemplary claims 1 and                   
             60, which is reproduced below.                                                                           
                    1.     An apparatus for reading information on a magnetic tape, including:                        
                           a frame;                                                                                   
                           means in the frame for receiving a container holding a magnetic tape                       
                    and for positioning the magnetic tape at a reading location;                                      
                           transport means in the frame for engaging the magnetic tape and for                        
                    advancing the magnetic tape longitudinally past the reading location;                             
                           a rotating transducer carrier;                                                             
                           transducer means on the transducer carrier for reading information on                      
                    the magnetic tape;                                                                                
                           means for positioning the rotating transducer carrier adjacent the                         
                    reading location to rotate on an axis of rotation which passes through the                        
                    magnetic tape near the reading location, said axis of rotation corresponding                      
                    substantially to the center of a circular transducing path followed by the                        
                    transducer means when the transducer carrier rotates;                                             
                           means for rotating the transducer carrier to read a sequence of                            
                    arcuate information tracks on the magnetic tape; and                                              
                           control means connected to the transducer means, to the transport                          
                    means, and to the means for positioning and responsive to servo information                       
                    in the arcuate information tracks for aligning the transducer means with the                      
                    arcuate information tracks by adjusting:                                                          



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