Ex parte YOO et al. - Page 1

           The opinion in support of the decision being entered today was not written for
                     publication and is not binding precedent of the Board.           
                                                                 Paper No. 23         
                      UNITED STATES PATENT AND TRADEMARK OFFICE                       
                         BEFORE THE BOARD OF PATENT APPEALS                           
                                  AND INTERFERENCES                                   
                     Ex parte JANG-HOON YOO and PYONG-YONG SEONG                      
                                Appeal No. 1998-2009                                  
                             Application No. 08/508,250                               
                                      ON BRIEF                                        
          Before KRASS, JERRY SMITH and HECKER, Administrative Patent                 
          HECKER, Administrative Patent Judge.                                        

                                 DECISION ON APPEAL                                   
               This is a decision on appeal from the final rejection of               
          claims 1 through 8, 11 and 12, all claims pending in this                   
               The invention relates to the use of an optical modulator               
          for recording information on an optical disk and an optical                 
          pickup for the reproduction of recorded information.  In                    
          particular, as exemplified in Figure 3, a light source (1), a               
          pair of lenses (2 and 3), and an optical modulator (4), are                 

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