Ex Parte RICHARDS - 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                   for publication and is not binding precedent of the Board.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. 15         
                   UNITED STATES PATENT AND TRADEMARK OFFICE                          
                                     ____________                                     
                       BEFORE THE BOARD OF PATENT APPEALS                             
                                 AND INTERFERENCES                                    
                                     ____________                                     
                            Ex parte WILLIAM JAMES RICHARDS                           
                                     ____________                                     
                                 Appeal No. 2000-1508                                 
                              Application No. 08/810,442                              
                                     ____________                                     
                                       ON BRIEF                                       
                                     ____________                                     
          Before BARRETT, DIXON, and BARRY, Administrative Patent Judges.             
          BARRY, Administrative Patent Judge.                                         

                                  DECISION ON APPEAL                                  
               The examiner rejected claims 1-3, 5, 8, and 10.  The                   
          appellant appeals therefrom under 35 U.S.C. § 134(a).  We affirm-           
          in-part.                                                                    


                                     BACKGROUND                                       
               The appellant’s invention facilitates encryption and                   
          decryption in a cable television (“CATV”) system.  Analog CATV              
          systems scramble programs and transmits the scrambled programs to           
          customers.  The customers are equipped with "set-top boxes" for             
          unscrambling the programs.                                                  







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