Optical module for recognizing page of electronic book
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United States of America Patent
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Issued Date -
Apr 10, 2008
app pub date -
Oct 5, 2006
filing date -
Oct 5, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to an optical module for recognizing the pages of an electronic book. The optical module of the invention comprises: at least one light source, a plurality of pages, at least one light sensor and a page recognizing device. The light source is used for generating emitting light. Each page has a peripheral side for reflecting the emitting light. The light sensor is used for receiving the reflective light from the pages and outputting a corresponding signal, and the light source and the light sensor are mounted on the peripheral cover of the electronic book. The page recognizing device is used for recognizing a current page of the electronic book according to the corresponding signal. According to the invention, the different peripheral sides on the different pages are used to reflect the different reflective light, so that the electronic book can recognize the page which the user currently opens. Because the light sensor can be precisely controlled to receive the exact reflective light, the page recognizing device can precisely recognize the current page so as to solve the problem in the conventional electronic book.
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