| 发明名称 |
REFRESHABLE BRAILLE DISPLAY DEVICE |
| 摘要 |
Disclosed is a refreshable Braille display device comprised of a rotary character display assembly which can display a refreshable Braille character in the plane of the rotary display assembly. Also disclosed is a method of displaying a refreshable Braille character.
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| 申请公布号 |
US2011117525(A1) |
申请公布日期 |
2011.05.19 |
| 申请号 |
US20100820922 |
申请日期 |
2010.06.22 |
| 申请人 |
MINNICH DANIEL CHARLES;BAWAB HANNA FRANCIS;ROBERTSON JARROD;DOLL PATRICK |
发明人 |
MINNICH DANIEL CHARLES;BAWAB HANNA FRANCIS;ROBERTSON JARROD;DOLL PATRICK |
| 分类号 |
G09B21/00 |
主分类号 |
G09B21/00 |
| 代理机构 |
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代理人 |
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