Patent ID: 7231601
Filing Date: 2007-06-12
Classification: G06F

Abstract:
1. A digital pen-based application form filling system including a digital pen for writing on an application form, the application form having a dot pattern printed on a surface thereof and entry fields arranged therein, the digital pen having a camera for photographing the dot pattern at and around a pen point to detect a position of the pen point, wherein information hand-written into the entry fields with the digital pen is obtained as position information about loci of the pen point using the dot pattern so that the written information can be handled as digital data; the application form filling system comprising: a memory device which stores an anti-modification area information file defining anti-modification areas for each application form; a processor which retrieves from the anti-modification area information file anti-modification area information for the application form based on an application ID, the application ID identifying the application form and being detected by the dot pattern on the application form; and a printing unit which prints a pattern for nullifying the dot pattern used to detect a position of the pen, in the anti-modification areas in the application form according to the anti-modification area information for the application form.