发明名称 Portable electronic device
摘要 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.
申请公布号 US7864151(B1) 申请公布日期 2011.01.04
申请号 US19920825784 申请日期 1992.01.21
申请人 SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 发明人 YAMAZAKI SHUNPEI;HAMATANI TOSHIJI
分类号 G09G3/36 主分类号 G09G3/36
代理机构 代理人
主权项
地址