Ex Parte Huang - Page 4




               Appeal No. 2005-1997                                                                        Page 4                  
               Application No. 09/493,319                                                                                          



                       A further understanding of the invention can be achieved by reading the following                           
               claims.                                                                                                             
                       45. A method comprising:                                                                                    
                              providing a light modulator comprising an array of pixel cells and                                   
                       memory buffers, each memory buffer being associated with a different                                        
                       group of two or more of the pixel cells and each memory buffer being                                        
                       located closer to the associated group of pixel cells than another one of                                   
                       the group of pixel cells; and                                                                               
                              during a refresh operation, converting the digital indications stored                                
                       in the memory buffers into analog voltages to update charge intensities on                                  
                       the pixel cells.                                                                                            

                       50. A light modulator comprising:                                                                           
                              an array of pixel cells;                                                                             
                              memory buffers being spatially distributed among the pixel cells,                                    
                       each memory buffer being associated with a different group of two or more                                   
                       of the pixel cells and storing a digital indications [sic] of associated                                    
                       predetermined voltages; and                                                                                 
                              digital-to-analog converters to convert the digital indications into                                 
                       analog voltages to update charges on the pixel cells during a refresh                                       
                       operation.                                                                                                  


                       Claims 45-48 and 50-54 stand rejected under 35 U.S.C. § 103(a) as obvious over                              
               U.S. Patent No. 6,333,737 ("Nakajima") and U.S. Patent No. 6,297,787 ("Nishida").                                   










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