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    • 10. 发明申请
    • IMPROVEMENTS RELATING TO NAVIGATION APPARATUS USED IN-VEHICLE
    • 与使用车载导航装置有关的改进
    • WO2010040403A1
    • 2010-04-15
    • PCT/EP2008/063483
    • 2008-10-08
    • TOMTOM INTERNATIONAL B.V.ABEN, SjoerdTHOMASSEN, ErikDE HAAS, Teun
    • ABEN, SjoerdTHOMASSEN, ErikDE HAAS, Teun
    • G01C21/26G01C21/32
    • G01C21/26G01C21/32G08G1/0104G08G1/096811
    • A navigation apparatus (200) comprises a processing resource (202) that is operably coupled to a data store (214) comprising digital map data. A location determination unit (288) is also provided and capable of determining a location. The navigation apparatus receives information from vehicle sensors selected from: a microphone; a vehicle speed sensor; a rain-fall sensor; a suspension-travel sensor; a dead-reckoning sensor; a steering sensor. Information relating to the sensed parameters is logged by the navigation apparatus while driving. Upon subsequent uploading of the information to a server (150), the information is analysed statistically, and combined with similar information obtained from other navigation devices. The statistical analysis enables supplementary road information to be derived, selected from: road lane width; pot-hole position; speed-bump position; road surface roughness; road surface porosity. Such supplementary road information is added to the digital map to facilitate greater safety awareness and route planning.
    • 导航装置(200)包括可操作地耦合到包括数字地图数据的数据存储(214)的处理资源(202)。 还提供了位置确定单元(288)并能够确定位置。 导航装置从选自以下的车辆传感器接收信息:麦克风; 车速传感器; 降雨传感器; 悬架行程传感器; 推算传感器; 转向传感器。 在驾驶时由导航装置记录与感测参数相关的信息。 随后将信息上传到服务器(150),对信息进行统计分析,并与从其他导航设备获得的类似信息相结合。 统计分析可以推导补充道路信息,选自:道路宽度; 壶孔位置; 速度碰撞位置; 路面粗糙度 路面孔隙度。 这样的补充道路信息被添加到数字地图以便于更大的安全意识和路线规划。