| 发明名称 |
Virtual map store/cartographic processor |
| 摘要 |
A digital map system has a storage device for storing digital map data and a cartographic processor for generating maps utilizing digital map data from the storage device. The cartographic processor is configured to generate maps in a plurality of different formats.
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| 申请公布号 |
US6404431(B1) |
申请公布日期 |
2002.06.11 |
| 申请号 |
US19980059123 |
申请日期 |
1998.04.13 |
| 申请人 |
NORTHROP GRUMMAN CORPORATION |
发明人 |
FARMER RANDOLPH GREGORY |
| 分类号 |
G09B29/10;(IPC1-7):G06T17/00 |
主分类号 |
G09B29/10 |
| 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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