Education and demonstration – Audio recording and visual means – Visual information in book form
Reexamination Certificate
2005-07-05
2005-07-05
Cheng, Joe H. (Department: 3713)
Education and demonstration
Audio recording and visual means
Visual information in book form
C434S169000, C434S30700R, C345S173000, C358S001120
Reexamination Certificate
active
06915103
ABSTRACT:
A system for enhancement of books or other reading material includes an item of reading material, printed on a substrate having a substantially invisible, machine-readable coordinate grid. A pointing device is configured to detect the coordinate grid on the substrate when placed in proximity thereto. An output device receives input from the pointing device to determine the location of the pointing device relative to the substrate, and provides output corresponding to contents of the reading material at the location. The output may be in the form of audio and/or video.
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Cheng Joe H.
Hewlett--Packard Development Company, L.P.
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