Ex parte CALLAGHAN et al. - Page 6




          Appeal No. 96-2179                                           Page 6           
          Application 07/613,466                                                        
          at 13; Figs. 8  & 9.)  Indeed, Appellants' invention uses5                                                               
          closed-loop control to match heart rates to stress levels.                    
          (Paper 1 at 13-14; Fig. 10; see also Paper 18 at 21-24.)                      
          Appellants have not identified any parameter other than the                   
          depolarization gradient that might satisfy the requirements                   
          for the claimed measured parameter.                                           
               13. We find that the terms "closed loop system", "closed                 
          loop control", and "self-adapt" have readily discernable                      
          meanings in light of the disclosure and that these terms                      
          appear to be used consistently with their meanings in the                     
          references of record.  Appellants have not identified any                     
          definition for these terms peculiar to their disclosure.                      
               14. Appellants suggest that a person of ordinary skill                   
          in the pacemaker art had a master's degree in electrical or                   
          mechanical engineering and a basic knowledge of circulatory                   
          anatomy and physiology.  (Paper 18 (2d Rev'd. App. Br.) at 8                  
          n.1.)  The examiner does not dispute this suggestion and we                   
          find it plausible for the purposes of this appeal.                            






               5    Appellants should note that "exercise" is                           
          consistently misspelled in the figures.  (Figs. 8-10 & 14.)                   





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