Ex Parte Conrads et al - Page 3




              Appeal No. 2003-2103                                                                  Page 3                
              Application No. 09/826,256                                                                                  


              calibration exposure.  Sets of correction values are stored for separate values of the                      
              number of preceding x-ray pulses, pulse rate, and relative intensities, with each set                       
              including correction values for several values of the time lapsed since the most recent                     
              x-ray pulse.   The selection unit of appellants’ correction unit selects correction values                  
              which pertain to an x-ray exposure which has preceded the formation of the x-ray image                      
              on the basis of a reference image signal, which is generated when no x-rays are                             
              incident on the x-ray sensor matrix.                                                                        
                     The examiner relied upon the following prior art references in rejecting the                         
              appealed claims:                                                                                            
              Bruijns et al. (Bruijns)            5,974,113                   Oct. 26, 1999                               
              Conrads et al. (Conrads)            6,246,746                   Jun. 12, 2001                               

                     The following rejections are before us for review.                                                   
                     Claims 1, 2 and 4-8 stand rejected under the judicially created doctrine of                          
              obviousness-type double patenting as being unpatentable over claims 1-3 of U.S. Pat.                        
              No. 6,246,746.                                                                                              
                     Claims 1, 2 and 4-8 stand rejected under 35 U.S.C. § 103 as being unpatentable                       
              over Bruijns.                                                                                               












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