Importance

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Abstract

An information processing system automatically identifies the page of a book, notebook, flip chart, writing pad, or the like. The system uses an optical sensor to read an identification code printed on each page (and the cover) of the book and processes the code to determine identifying information (e.g., page number) for the page. The optical sensor and related components are adjacent to the book and operate unobtrusively, yet reliability, at a distance therefrom. The system, which uses ambient light and selectively activates its own light source, is capable of operating under variable lighting conditions and requires no manual intervention by the user. In addition, the system is reliable and robust in that it allows standard printing techniques to be used to print the identification code on each page of the book.

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First Claim