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公开(公告)号：EP0346491A1
公开(公告)日：1989-12-20
申请号：EP89900882.5
申请日：1988-12-23
发明人： MOROTO, Shuzo , YOKOYAMA, Shoji , NIMURA, Mitsuhiro , NANBA, Akimasa , YAMADA, Takashi , SUMIYA, Koji
IPC分类号： G01C21/00
CPC分类号： G01C21/367 , G01C21/3673 , G01C21/3682
摘要： A display unit of a navigation system in accordance with the present invention is equipped with route search means (13) for searching an optimum route on the basis of position data, node data (21), crossing data (19) and road data (23) and reduced scale setting means (15), sets a reduced scale of a display map in accordance with the distance between the present position and the destination and selectively displays a road to be displayed in accordance with the reduced scale on a display (31). This invention includes also a display (48) for displaying a crossing graphics consisting of a starting crossing, a neighbouring road network and landmarks and touch keys (35) such as a decision key for drawing a travelling direction on the displayed crossing graphics, a rotation support key for rotating the crossing graphics and displaying it, and the like. The invention is further equipped with a data processing control unit (46) for reading the position coordinates of a crossing landmark to be displayed from a map data (53), rotating and enlarging the position coordinates, converting them to the coordinates of a drawing area set.in the display means and sending an output signal so that the crossing landmark pattern is drawn in this converted coordinates.
摘要翻译： 基于位置数据，节点数据，交叉数据和道路数据搜索最佳路线。 根据当前位置和目的地之间的距离来设置显示地图的缩小比例，并且根据路径选择性地显示。 显示一个十字图形，其包括起始横穿，相邻道路网络和地标，以及诸如用于在所显示的交叉图形上绘制行进方向的决定键的触摸键，用于旋转交叉图形并显示它的旋转支持键。 数据处理控制单元将位置坐标转换为在显示器中设置的绘制区域的坐标，并发送输出信号，使得在该转换的坐标中绘制交叉界标图案。
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2.发明公开GUIDE UNIT FOR DESTINATION OF VEHICLE NAVIGATION SYSTEM 失效FÜHRUNGSEINHEITDES ZIELES BEI NAVIGATIONSANZEIGESYSTEM。
公开(公告)号：EP0346493A1
公开(公告)日：1989-12-20
申请号：EP89900886.6
申请日：1988-12-23
发明人： YAMADA, Takashi , YOKOYAMA, Shoji , SUMIYA, Koji , MOROTO, Shuzo
CPC分类号： G01C21/362 , G01C21/3626 , G01C21/3685
摘要： A guide unit of a navigation system for outputting guide information to reach a destination of the invention includes an input unit (1) to which the destination and the present position information are inputted, a storage device (4) which stores the guide information, an ALU (2) which determines an optimum guide information from the input information from the input unit (1) and a display (3) which displays the guide information. The storage device (4) has a plurality of parking lot data at at least the destination and the ALU (2) selects the plurality of parking lots and shows the routes to the parking lots at the destination in the order of increasingly longer distance. According to this unit, even when a certain parking lot is full at the destination, the route search and guide to the next nearest parking lot can be made so that the driver can drive the car to the nearest parking lot.
摘要翻译： 输入目的位置和当前位置信息供ALU使用以确定最佳指导信息。 存储装置在目的地具有多个停车场数据。 ALU选择停车场，并按距离越来越长的顺序显示到目的地的停车场的路线。
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公开(公告)号：EP0348528A1
公开(公告)日：1990-01-03
申请号：EP89900881.7
申请日：1988-12-23
CPC分类号： G01C21/34
摘要： This invention relates to a vehicle navigation system including an input device (1), a CPU (2)- a display (3) and a storage device (4). The storage device (4) is a CD-ROM or the like for stonng the network data and information of each point as the destination or the present position and map data (10), a crossing list (11). a destination list (12), road data (13), a place name list (14). etc.. are stored therein. When the destination is inputted and designated by the input means (1), the CPU (2) interacts with a program stored in a ROM (9a) in order to set data for reaching the destination by means of the retrieval of a route corresponding to each point stored in the storage device (4) and stores it in memory such as a RAM (9b). In an embodiment. a non-volatile area for storing the starting point data (the east longitude. the north latitude, etc.) is disposed in the RAM (9b) and when data is inputted by a reset switch at the time of the inputting of the starting point, data in this non-volatile area can be rewritten. The data thus written is held until the reset switch is pressed again to input a location position and is not erased even when an ignition switch is turned off.
摘要翻译： 本发明涉及包括输入装置（1），CPU（2），显示器（3）和存储装置（4）的车辆导航系统。 存储装置（4）是用于存储网络数据和每个点的信息作为目的地或当前位置的CD-ROM等，以及地图数据（10），交叉表（11），目的地列表（12） ），道路数据（13），地名列表（14）等。 当目的地由输入装置（1）输入并指定时，CPU（2）与存储在ROM（9a）中的程序相互作用，以便通过检索对应于 每个点存储在存储设备（4）中并将其存储在诸如RAM（9b）的存储器中。 在一个实施例中，用于存储起始点数据（东经，北纬等）的非易失性区域被布置在RAM（9b）中，并且当输入时由复位开关输入数据时 的起始点，可以重写这个非易失性区域的数据。 如此写入的数据被保持直到再次按下复位开关以输入位置位置，并且即使当开关断开时也不被擦除。
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