Ex parte HOU et al. - Page 2




          Appeal No. 95-3583                                                          
          Application No. 08/185,294                                                  
                                 DECISION ON APPEAL                                   
               This is an appeal from the final rejection of claims 1                 
          through 4.                                                                  
               The disclosed invention relates to a system for adjusting              
          the transverse location of an exposure frame on a photoreceptor             
          belt in relation to the detected lateral position of a set of               
          three inclined slots associated with the exposure frame.  Each              
          slot is inclined at an angle with respect to a transverse line              
          perpendicular to the process direction of the exposure frame on             
          the photoreceptor belt.                                                     
               Claim 1 is the only independent claim on appeal, and it                
          reads as follows:                                                           
               1. An improved imaging system for forming multiple image               
          exposure frames on a photoconductive member including:                      
               a photoreceptor belt adapted to accommodate the formation of           
          an integral number of image exposure frames, said belt having a             
          plurality of target apertures formed outside of the exposure area           
          and associated with each exposure frame respectively,                       
               detecting means associated with said target apertures for              
          detecting changes in the lateral position of each aperture, the             
          apertures in said belt moving through a process direction, and              
               means for generating signals for adjusting the transverse              
          location of said exposure frames in relation to the detected                
          lateral position of said apertures wherein the improved apertures           
          comprise a set of three inclined slots, each slot alternately and           
          differently inclined with respect to each other at an angle 2               
          which is greater than 0E with respect to a transverse line                  



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