| 发明名称 |
Navigation using portable reading machine |
| 摘要 |
Navigation techniques including map based and object recognition based and especially adapted for use in a portable reading machine are described.
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| 申请公布号 |
US8554464(B2) |
申请公布日期 |
2013.10.08 |
| 申请号 |
US20090433846 |
申请日期 |
2009.04.30 |
| 申请人 |
ZETUNE RAFAEL MAYA;K-NFB READING TECHNOLOGY, INC. |
发明人 |
ZETUNE RAFAEL MAYA |
| 分类号 |
G01C21/00 |
主分类号 |
G01C21/00 |
| 代理机构 |
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代理人 |
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