Patent ID: 7637042

Claim:
An automatic induction device for turning pages, comprising: a plurality of inner pages, contiguous each to the other on one side and each having a groove formed within each of said inner pages, each of said grooves formed on adjacent pages wherein each of said grooves partially overlap a next succeeding groove; a plurality of conductive rubber pieces, inserted in the grooves respectively, one end of each conductive rubber piece extending out of the corresponding groove; a flexible printed circuit board, having a plurality of connecting finger conductive portions and a connecting end, wherein the connecting finger conductive portions are respectively inserted in the grooves and contacting the conductive rubber pieces; and an electronic unit, electrically connecting with the connecting end of the flexible printed circuit board; wherein each two of the adjacent conductive rubber pieces in the grooves partially contact each other after turning the inner pages, sound files can be played correspondently to the inner pages.