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    On-vehicle information terminal, abridged map generating apparatus, abridged map display method and display apparatus
    2.
    发明授权
    On-vehicle information terminal, abridged map generating apparatus, abridged map display method and display apparatus 有权
    车载信息终端，简略地图生成装置，简图地图显示方法和显示装置

    公开(公告)号：US07668650B2

    公开(公告)日：2010-02-23

    申请号：US11087970

    申请日：2005-03-24

    申请人： Akio Sumizawa ,  Wataru Oikubo ,  Manabu Morita ,  Atsushi Hiroike ,  Masaaki Tanizaki ,  Kishiko Maruyama ,  Shigeru Shimada

    发明人： Akio Sumizawa ,  Wataru Oikubo ,  Manabu Morita ,  Atsushi Hiroike ,  Masaaki Tanizaki ,  Kishiko Maruyama ,  Shigeru Shimada

    IPC分类号： G01C21/32

    CPC分类号： G01C21/3632 ,  G01C21/367 ,  G01C21/3673

    摘要： The on-vehicle information terminal according to the present invention comprises an abridged road generating device that generates abridged roads by abridging a road map based upon map data, a road decision-making device that makes a decision as to whether or not a road is a special shape road having a predetermined special shape based upon the map data, a substituting device for substitutes a specific road shape pattern stored in memory in advance for a road determined by the road decision-making device to have a special shape and a display control device that displays at the display device an abridged map containing specific road shape patterns used to substitute for special shape roads by the substituting device and the abridged roads generated by the abridged road generating device.

    摘要翻译： 根据本发明的车载信息终端包括通过基于地图数据来克隆路线图来生成简明道路的简约道路生成装置，作出关于道路是否为道路路面的决定的道路决策装置 基于地图数据具有预定特殊形状的特殊形状道路，用于将由道路决策装置确定的道路预先存储在存储器中的特定道路形状图形替换为具有特殊形状的替代装置和显示控制装置 在显示装置上显示包含由替代装置替代特殊形状道路的特定道路形状图案的简略图，以及由所述切割道路产生装置产生的简化道路。

    Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating method
    5.
    发明授权
    Abridged map generating apparatus, on-vehicle information terminal, abridged map distribution system and abridged map generating method 有权
    缩略图生成装置，车载信息终端，简图映射分配系统和简图生成方法

    公开(公告)号：US07561962B2

    公开(公告)日：2009-07-14

    申请号：US11250580

    申请日：2005-10-17

    申请人： Akio Sumizawa ,  Manabu Morita ,  Atsushi Hiroike ,  Kishiko Maruyama ,  Akinori Asahara

    发明人： Akio Sumizawa ,  Manabu Morita ,  Atsushi Hiroike ,  Kishiko Maruyama ,  Akinori Asahara

    IPC分类号： G01C21/32

    CPC分类号： G01C21/3676

    摘要： This abridged map generating apparatus includes a route searching unit that searches for a plurality of routes from a departure point to a destination which has been set, an abridged map generation unit that generates an abridged map in which road shapes of the routes which are searched out by the route searching unit are simplified, based upon road map data which specifies shapes of roads by shapes of links set for each predetermined road section, and a link compactification unit that compactifies links of the routes based upon relative positional relationships of the routes before the abridged map generation unit generates the abridged map.

    摘要翻译： 该简略地图生成装置具有搜索从已经设定的出发地到目的地的多条路线的路径搜索单元，生成删除路线的道路形状的简图， 基于路径图数据，路径搜索单元基于规定每个预定路段设置的链接的形状的道路图数据，以及链路压缩单元，其基于前述路线的相对位置关系来压缩路线的链路 简化地图生成单元生成简图。