| 发明名称 |
NAVIGATION AID |
| 摘要 |
A GPS receiver is adapted to aid in navigation by providing information related to appropriate tacking of a sailboat or windsurfer by displaying at least the destination mark and indicators (21) and (22) relative to the mark that show when it is appropriate to tack. |
| 申请公布号 |
WO02059636(A3) |
申请公布日期 |
2003.03.06 |
| 申请号 |
WO2002US03164 |
申请日期 |
2002.01.27 |
| 申请人 |
UPWIND TECHNOLOGIES |
发明人 |
SELIG, STANLEY;HUBBARD, ANTHONY |
| 分类号 |
B63B49/00;G01C21/20;G01S1/00 |
主分类号 |
B63B49/00 |
| 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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