| 发明名称 |
Apparatus having a rewritable display portion |
| 摘要 |
A videocassette has a display portion for displaying recorded contents. The display portion is formed with a display device. The display device has a conductive layer, a PDLC (polymer-dispersed liquid crystal) film, and a protective layer. The display device can repeatedly record and erase visible information.
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| 申请公布号 |
US6201587(B1) |
申请公布日期 |
2001.03.13 |
| 申请号 |
US19970799485 |
申请日期 |
1997.02.12 |
| 申请人 |
DAI NIPPON PRINTING CO., LTD. |
发明人 |
SAKAMAKI TERUO |
| 分类号 |
G11B23/03;G11B23/04;G11B23/38;G11B23/40;G11B33/10;(IPC1-7):G02F1/137;G02F1/133 |
主分类号 |
G11B23/03 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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