Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshiji Hamatani0
Shunpei Yamazaki0
Date of Patent
January 4, 2011
Patent Application Number
07825784
Date Filed
January 21, 1992
Patent Primary Examiner
Patent 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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