发明名称 |
ON-VEHICLE NAVIGATION DEVICE |
摘要 |
PROBLEM TO BE SOLVED: To automatically change a display showing a wide-area traffic information to one showing for a narrow-area traffic information without user's changing operation of communication medium when a narrow-area information is received while the wide-area road traffic information is shown on the display. SOLUTION: A CPU 10 draws a road traffic information picture in a second video RAM 14 on the basis of the road traffic information received by an FM multiple broadcasting receiver 4 and outputs it to an indicator 8 through a synthesizing circuit 16 so as to indicate it thereon. When a radio becon is received by a radio becon receiver 5, the CPU 10 draws a road traffic information picture in the RAM 14 on the basis of the road traffic information received through the radio becon, and it outputs it to the indicator 8 through the circuit 16 so as to indicate it thereon. |
申请公布号 |
JPH09133538(A) |
申请公布日期 |
1997.05.20 |
申请号 |
JP19950314814 |
申请日期 |
1995.11.07 |
申请人 |
KENWOOD CORP |
发明人 |
KATO NAOHIRO;UEMURA NOBUO;UI MASAAKI;TOMIZAWA KATSUMI |
分类号 |
G09B29/10;G01C21/00;G08G1/0969;(IPC1-7):G01C21/00;G08G1/096 |
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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