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 |
US7744372(B1) |
申请公布日期 |
2010.06.29 |
申请号 |
US20060567700 |
申请日期 |
2006.12.06 |
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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主权项 |
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地址 |
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