Ex parte FRANCIS et al. - Page 7




          Appeal No. 97-1142                                                          
          Application 08/260,831                                                      


          and in the self-evident advantages 3-D imaging (e.g., enhanced              
          realism) and digital video player technology (e.g., improved                
          image quality) provide, which the ordinarily skilled artisan                
          would have readily appreciated.  In this regard, the artisan                
          would have viewed the proposed modification of Trumbull ‘256 as a           
          straightforward trade-off between the use of the relatively                 
          inexpensive imaging technology of Trumbull ‘256 (column 1, lines            
          26-29) and the more sophisticated and expensive imaging                     
          technology taught by Noble and Hayes.                                       
               As to claim 2, the housing means of Trumbull ‘256 encloses             
          the seats and the image means.  See Figure 4.                               
               In regard to claim 4, the use of a separate laser video disc           
          player to produce each image component of the 3-D image would               
          have been obvious to one of ordinary skill, it being noted that             
          Hayes, in effect, teaches that separate images for the left and             
          right eye are utilized to produce the 3-D effect.                           
               Claim 3 is rejected under 35 U.S.C. § 103 as being                     
          unpatentable over Trumbull ‘256 in view of Noble and Hayes and              
          further in view of Trumbull ‘670.  In view of the teaching of               
          Trumbull ‘670 at column 6, lines 32-37 of limiting the overall              
          height of the simulator system theater thereof to enable its                
          location within a building having a conventional ceiling height             

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