Ex Parte Lindhout et al - Page 4




              Appeal No. 2006-2255                                                                                     
              Application No. 10/183,994                                                                               

              cursor control mechanism also includes global controller 22 comprising a screen                          
              navigation ring 40 having a plurality of direction buttons 42.  Id. at ll. 56-64.                        
                     In the rejection of claims 1-32 under 35 U.S.C. § 103 as being unpatentable over                  
              Schein and APA, the examiner finds that Schein fails to disclose a tracking assembly for                 
              detecting movement of the housing relative to a support surface.  However, such                          
              tracking assemblies were known in the prior art (e.g., APA).  According to the rejection,                
              it would have been obvious to include the tracking assembly in the Schein apparatus in                   
              view of APA and a teaching at column 7 of Schein.                                                        
                            In another embodiment, computer system 62 [Fig. 3] may be combined                         
                     with television system 60 to form a PCTV.  In this embodiment, the computer will                  
                     usually include a processor that may be used solely to run the program guide                      
                     and associated software, or the processor may be configured to run other                          
                     applications, such as word processing, graphics, or the like.  The computer will                  
                     usually be incorporated into the television set so that the television display can                
                     be used as both a television screen and a computer monitor.  Usually, the PCTV                    
                     will include a number of input devices, such as a keyboard, a mouse and a                         
                     remote control device, similar to the one described above.  However, these input                  
                     devices may be combined into a single device that inputs commands with keys, a                    
                     trackball, pointing device, scrolling mechanism, voice activation or a combination                
                     thereof.                                                                                          
              Schein col. 7, ll. 12-26 (emphasis added).                                                               
                     Appellants, for their part, argue that the proposed combination would not have                    
              been obvious because the addition of a prior art tracking assembly to the Schein device                  
              would constitute redundancy.  According to appellants, Schein already provides a                         
              complete system for controlling movement of a cursor.  (Brief at 6.)                                     



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