Patent ID: 7720313

Claim:
A method, comprising: a) creating a digitized image of a bank check; b) placing the digitized image into an original file CHECK- 1 which i) conforms to a published tagged image format; ii) contains pointers which allow a file reader to locate predetermined data within the original file CHECK- 1 ; c) repeating steps (a) and (b) to create original files CHECK- 2 , CHECK- 3 , and CHECK- 4 , each corresponding to a respective bank check; d) modifying pointers in the original files to produce modified files CHECK- 1 , CHECK- 2 , CHECK- 3 , and CHECK- 4 ; e) placing the modified files CHECK- 1 , CHECK- 2 , CHECK- 3 , and CHECK- 4 into a composite file, wherein i) the modified pointers in modified files CHECK- 1 , CHECK- 2 , CHECK- 3 , and CHECK- 4 are effective to allow a file reader to locate the respective predetermined data within the composite file; and ii) the modified pointers are not effective to allow a file reader to locate the respective predetermined data within the original files CHECK- 1 , CHECK- 2 , CHECK- 3 , and CHECK- 4 ; f) storing recovery data which indicates differences between the modified files CHECK- 1 , CHECK- 2 , CHECK- 3 , and CHECK- 4 and the corresponding original files; and g) using the recovery data to recover one of said original files from the composite file and print a paper representation of a check, based on the original file recovered.