发明名称 |
Mobile navigator |
摘要 |
A mobile navigator comprises a distance detector for generating a running distance signal, an azimuth detector for generating a progression azimuth detecting signal, a CRT display for indicating the current position of an automotive vehicle, a microcomputer for calculating the current position of the vehicle from the distance detecting signal and the progression azimuth detecting signal and supplying the current position signal to the display, and a memory in which is stored a plurality of map data, earth's magnetic field declination information different for each area in association with the map data, and earth's magnetic field strength information.
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申请公布号 |
US4470119(A) |
申请公布日期 |
1984.09.04 |
申请号 |
US19820395339 |
申请日期 |
1982.07.06 |
申请人 |
NIPPONDENSO CO., LTD. |
发明人 |
HASEBE, KOSHI;TOTANI, SHINZO;MURAMOTO, KAZUO;MIKUNI, HAJIME;AKUTSU, KAZUSHI;MINAMI, KAZUAKI |
分类号 |
G01C21/30;G01C21/36;(IPC1-7):G06F15/50;G09B29/10 |
主分类号 |
G01C21/30 |
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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