发明名称 |
DISPLAY DEVICE FOR ONBOARD NAVIGATION APPARATUS |
摘要 |
A display device applied to a navigation system for a vehicle displaying map information by using a color pallet. The device comprises means for supplying at least a signal distinguishing a bright and a dark environment according to the degree of brightness degree in a passenger compartment of the vehicle. Color pallets have their contents changed according to the information from the supply means. The contents of the registers are changed so that a degree of brightness of background color of a display unit is decreased to less than a decreased degree of brightness of colors displaying the information on the display unit when the output information of the supply means changes from the brightness to the darkness. |
申请公布号 |
JPS63113496(A) |
申请公布日期 |
1988.05.18 |
申请号 |
JP19860259225 |
申请日期 |
1986.10.30 |
申请人 |
PIONEER ELECTRONIC CORP |
发明人 |
FUKUSHIMA ATSUHIKO;KASHIWAZAKI TAKASHI;HOSOI MASAYUKI;ANDO HITOSHI |
分类号 |
G09B29/10;G01C21/00;G01C21/36;G09G1/06;G09G1/28;G09G5/00;G09G5/06;G09G5/36 |
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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