| 发明名称 |
PAPERLESS PORTABLE BOOK |
| 摘要 |
<p>A paperless portable electronic book is disclosed which is adapted for use with interchangeable magnetic floppy discs, optical discs or the like and comprises a reproducing device for reading information from the floppy disc, a display and a battery. Preferentially, the display is a liquid crystal display and the battery is an amorphous silicon solar cell.</p> |
| 申请公布号 |
EP0252646(B1) |
申请公布日期 |
1993.09.29 |
| 申请号 |
EP19870305595 |
申请日期 |
1987.06.23 |
| 申请人 |
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. |
发明人 |
YAMAZAKI, SHUNPEI;HAMATANI, TOSHIJI |
| 分类号 |
G06F1/16;G09B5/02;G11B31/00;G11B33/06;G11B33/10;G11B33/12 |
主分类号 |
G06F1/16 |
| 代理机构 |
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代理人 |
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| 地址 |
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