PORTABLE TABLET COMPUTING DEVICE WITH TWO DISPLAY SCREENS
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United States of America Patent
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N/A
Issued Date -
Jul 28, 2011
app pub date -
Jan 28, 2010
filing date -
Jan 28, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A portable tablet computing device is disclosed. The device comprises a main display screen on a first planar surface and an auxiliary display screen on a second planar surface. According to the preferred embodiment, the main display screen is of a touchscreen type and is used as the display for the device used as a general purpose computing device. The auxiliary display screen is an e-paper type and is for delivering e-books. The device operated as an e-book consumes much less power with a low power processor and an optimized operation system for the e-book reader. Image sensors are used to detect one of the two planar surfaces facing the user and to switch on one of the two display screens accordingly.
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