Ex parte ALDRIDGE - Page 6




          Appeal No. 96-3615                                                          
          Application 08/237,567                                                      


          standing rejection of claims 23, 24, 29 and 30 under 35 U.S.C.              
          § 112, second paragraph.                                                    
                  The 35 U.S.C. § 102(b) Rejection based on Alonso                    
                                   (rejection (b))                                    
               At the outset, consistent with appellant’s specification,              
          we interpret the detection means called for in paragraph (b)                
          of claim 31 to comprise the spectroscopic means of paragraph                
          (c) and the conduction means of paragraph (d), rather than                  
          means separate and distinct from that which is called for in                
          paragraphs (c) and (d).                                                     
               Alonso pertains to an apparatus for (1) coating a coarse               
          granular material with a fine cohesive powder, and (2)                      
          measuring continuously by optical means the fraction of                     
          granular material coated by the fine powder.  The mixing is                 
          accomplished by a rotary barrel-type mixer.  The measuring                  
          means includes a series of probes which appear to be                        
          continuously submerged in the mixture, each probe including                 
          plastic optical fibers for transmitting light to and from the               
          mixture.  The light reflected by the mixture is sensed by a                 
          remote photosensitive diode.  The sensed light signal is                    
          thereafter filtered and rectified to obtain a signal                        

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