Ex parte ANDERSON et al. - Page 4




          Appeal No. 96-1445                                                          
          Application 08/371,684                                                      


          image is transmitted substantially simultaneously to convey an              
          entire field of information or a total image.                               
          The three dimensional display system of the preamble of                     
          independent claim 1 on appeal is shown in essence in both                   
          Hirsch and Collender.  A three dimensional display is                       
          essentially conveyed to a viewer in both references by means                
          of rotating a two dimensional image by the action of                        
          stereoscopy.  In reaching this conclusion of obviousness of                 
          the subject matter of the claims on appeal we are mindful that              
          in the middle of page 2 of the specification appellants have                
          defined the term "simultaneously" as "appearing to the viewer               
          to be simultaneous-- even though the points of light are not                
          initially generated simultaneously in time."  Hirsch’s flash                
          lamp 110 conveys a beam of light to film 135, each frame 146                
          of which yields a x-y planar image of light beams convey                    
          through various mirrors and optics to a coaxial rear                        
          projection screen 56 in Fig. 1.  This screen 56 rotates in                  
          unison with the rest of the optics and mirrors to display in a              
          three dimensional form the planar image from each film frame                
          146.                                                                        


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