Interactive electronic device with optical page identification system
First Claim
Patent Images
1. A book encoded for optical page identification, the book comprising:
- a plurality of successive page spreads defined by a plurality of pages;
a first sequence of page identifiers, each identifier of the first sequence being associated with a first corresponding page spread of the plurality of successive page spreads, the first sequence comprising overlayable arrangements of adjoining open-hole and closed-hole locations, each successive arrangement of the first sequence decreasing in a first total number of open-hole locations by at least one open-hole location; and
a second sequence of page identifiers, each identifier of the second sequence being associated with a second corresponding page spread of the plurality of successive page spreads, the second sequence comprising overlayable arrangements of adjoining open-hole and closed-hole locations, each successive arrangement of the second sequence increasing in a second total number of open-hole locations by at least one open-hole location.
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Abstract
An electronic interactive system including an electronic device and a book for use with the electronic device. The electronic device includes an optical page identification system capable of autonomously identifying page identifier codes uniquely associated with each of a plurality of page spreads of the book.
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Citations
14 Claims
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1. A book encoded for optical page identification, the book comprising:
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a plurality of successive page spreads defined by a plurality of pages;
a first sequence of page identifiers, each identifier of the first sequence being associated with a first corresponding page spread of the plurality of successive page spreads, the first sequence comprising overlayable arrangements of adjoining open-hole and closed-hole locations, each successive arrangement of the first sequence decreasing in a first total number of open-hole locations by at least one open-hole location; and
a second sequence of page identifiers, each identifier of the second sequence being associated with a second corresponding page spread of the plurality of successive page spreads, the second sequence comprising overlayable arrangements of adjoining open-hole and closed-hole locations, each successive arrangement of the second sequence increasing in a second total number of open-hole locations by at least one open-hole location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A book encoded for optical page identification, the book comprising:
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a plurality of successive page spreads, each page spread having a first corresponding page and a second corresponding page;
a first sequence of page identifiers, each identifier of the first sequence being associated with a first corresponding page spread of the plurality of successive page spreads, the first sequence comprising overlayable arrangements of adjoining open-hole and closed-hole locations, each arrangement of the first sequence having at least one closed-hole location on the first page of the first corresponding page spread, the at least one closed-hole location having a first optical reflectance detectably different than a second optical reflectance of a first area adjacent the at least one closed-hole location; and
a second sequence of page identifiers, each identifier of the second sequence being associated with a second corresponding page spread of the plurality of successive page spreads, the second sequence comprising overlayable arrangements of adjoining open-hole and closed-hole locations, each arrangement of the second sequence having at least one closed-hole location on the second corresponding page of the second corresponding page spread, the at least one closed-hole location having a third optical reflectance detectably different than a fourth optical reflectance of a second area adjacent the at least one closed-hole location. - View Dependent Claims (10)
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11. An electronic learning device for receiving a book having a plurality of successive page spreads, at least one page spread having selectable content and an optically readable page identifier, the device comprising:
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a housing configured to receive the book;
a position sensor in the housing, the position sensor configured to determine the location of the selectable content on the at least one page spread;
an optical sensor in the housing, the optical sensor configured to irradiate and detect the page identifier on the at least one page spread;
control electronics in the housing, the control electronics operatively coupled to the optical sensor and to the position sensor, the control electronics configured to synchronize operation of the position sensor and the optical sensor. - View Dependent Claims (12, 13, 14)
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Specification