Portable electronic device
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United States of America Patent
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-
Jan 4, 2011
Issued Date -
N/A
app pub date -
Jan 21, 1992
filing date -
Jul 7, 1986
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A thin, readily portable book has a memory-type liquid crystal display in the display section of the thin portable book so as to obtain low power consumption along with compact size and reduced weight, a solar cell and a charging device in the energy section of the thin portable book, so that low power consumption is further promoted, a freely detachable cassette-type or card-type non-volatile semiconductor memory in the recording medium section of the thin portable book so as to provide further savings in power consumption.
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Family
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