Appeal No. 1996-2481 Page 9 Application No. 07/828763 evidence that the reference teaches the limitation. The reference’s system executes the following processes: painting, which creates and stores page image data; allocating, which maps logical addresses to physical addresses; shipping, which transmits the page image data to a printer; and deallocating, which returns physical patches to a queue after printing. Col. 5, ll. 16-22. More specifically, the deallocating process deallocates physical patches and returns the patches to an unordered queue. During shipping, the raster method of addressing a pure logical page image memory periodically causes all of the addresses within the boundary of a patch to have been accessed and the corresponding physical page image data to have been retrieved and printed. The contents of the physical patch that correspond to the target logical patch, after being printed, are restored to a condition by which the contents of the physical patch represent a blank page image. The physical patch has its reference to the corresponding logical patch removed from the map table and the location of the physical patch is returned to thePage: Previous 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 NextLast modified: November 3, 2007