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    • 6. 发明申请
    • NAVIGATION APPARATUS
    • 导航装置
    • US20100145611A1
    • 2010-06-10
    • US12598708
    • 2008-05-02
    • Jun TokueKazuhiro YamamotoHiroaki MasudaYasuo Oishi
    • Jun TokueKazuhiro YamamotoHiroaki MasudaYasuo Oishi
    • G01C21/26
    • G01C21/3688B60R11/0235B60R11/0258B60R2011/0073B60R2011/0078G01C21/165G01C21/26G01C21/265G01C21/28G01S19/42
    • In a navigation apparatus having a base unit that is fastenable to a vehicle and a front panel unit that is attachable to and detachable from the base unit, it is configured such that there are provided with at least three detectors including a GPS signal receiver, wheel speed sensor and gyrosensor; and the microcomputer of the front panel unit determines the detector or detectors to be used for determining the location of the vehicle in accordance with output condition of the detector or detectors. Since the determination is made based on the output condition of the detector or detectors, the detector(s) used for location determination can be optimally selected to enhance the accuracy of vehicle location determination, while the flexibility of detector use in location determination can be improved in the point that the location determination is not necessarily restricted to use of the three detectors.
    • 在具有可固定到车辆的基座单元和可附接到基座单元的可拆卸的前面板单元的导航设备中,配置有至少三个检测器,包括GPS信号接收器,车轮 速度传感器和陀螺仪; 并且前面板单元的微型计算机根据检测器或检测器的输出状况来确定用于确定车辆位置的检测器或检测器。 由于基于检测器或检测器的输出条件进行判定,所以可以最佳地选择用于位置确定的检测器,以提高车辆位置确定的准确性,同时可以改善位置确定中检测器使用的灵活性 在这一点上,位置确定不一定限于使用三个检测器。