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    Map processor, navigation device and map displaying method
    1.
    发明申请
    Map processor, navigation device and map displaying method 审中-公开
    地图处理器，导航设备和地图显示方式

    公开(公告)号：US20060184317A1

    公开(公告)日：2006-08-17

    申请号：US11354051

    申请日：2006-02-15

    申请人： Akinori Asahara ,  Masaaki Tanizaki ,  Kishiko Maruyama ,  Shigeru Shimada ,  Akio Sumizawa

    发明人： Akinori Asahara ,  Masaaki Tanizaki ,  Kishiko Maruyama ,  Shigeru Shimada ,  Akio Sumizawa

    IPC分类号： G01C21/32

    CPC分类号： G06T17/05 ,  G01C21/3453 ,  G01C21/3676 ,  G09B29/10

    摘要： In each of the divided regions of the map, a redundancy of the region is estimated from the characteristics quantity such as fractal dimension of line segments of road. Then, regions with the same redundancies are combined to form a larger area so that the map is divided according to the redundancy. The areas thus formed are summarized by the summarization methods conforming to their redundancies and are combined into one map. In the map thus generated, only necessary information can be presented, with redundant information eliminated.

    摘要翻译： 在地图的每个分割区域中，根据道路线段的分形维数等特征量来估计该区域的冗余度。 然后，将具有相同冗余度的区域组合以形成较大的区域，使得根据冗余划分地图。 所形成的区域由符合其冗余度的汇总方法进行了总结，并结合为一个地图。 在如此生成的地图中，只能显示必要的信息，消除冗余信息。

    On-Vehicle Map Display Apparatus, Map Display Method
    2.
    发明申请
    On-Vehicle Map Display Apparatus, Map Display Method 有权
    车载地图显示装置，地图显示方法

    公开(公告)号：US20080275631A1

    公开(公告)日：2008-11-06

    申请号：US12105720

    申请日：2008-04-18

    申请人： Akio Sumizawa ,  Akihiro Kaneko ,  Shigeru Shimada ,  Kishiko Maruyama ,  Akinori Asahara

    发明人： Akio Sumizawa ,  Akihiro Kaneko ,  Shigeru Shimada ,  Kishiko Maruyama ,  Akinori Asahara

    IPC分类号： G01C21/26 ,  G06F3/14

    CPC分类号： G01C21/367 ,  G01C21/3694 ,  G08G1/096716 ,  G08G1/09675 ,  G08G1/096775

    摘要： This on-vehicle map display apparatus comprises a map scale setting unit that sets a map scale, a summary map generation unit that generates a summary map by abbreviating road shapes if a map scale that is less than a predetermined scale is set by the map scale setting unit, a summary map display control unit that displays the summary map generated by the summary map generation unit upon a display monitor, a congestion information acquisition unit that acquires congestion information, and a congestion information display control unit that displays the congestion information acquired by the congestion information acquisition unit as superimposed upon the summary map displayed upon the display monitor by the summary map display control unit.

    摘要翻译： 该车载地图显示装置包括：地图比例设定单元，其设定地图比例;概要地图生成单元，其通过地图比例设定小于预定比例的地图比例时，通过缩写道路形状来生成概要地图 总结地图显示控制单元，其在显示监视器上显示由总结图生成单元生成的概要图，拥挤信息获取单元，其获取拥挤信息;拥堵信息显示控制单元，显示由 所述拥堵信息获取单元叠加在由所述概要地图显示控制单元显示在所述显示监视器上的所述总结图上。

    On-vehicle map display apparatus, map display method
    3.
    发明授权
    On-vehicle map display apparatus, map display method 有权
    车载地图显示装置，地图显示方式

    公开(公告)号：US08224570B2

    公开(公告)日：2012-07-17

    申请号：US12105720

    申请日：2008-04-18

    申请人： Akio Sumizawa ,  Akihiro Kaneko ,  Shigeru Shimada ,  Kishiko Maruyama ,  Akinori Asahara

    发明人： Akio Sumizawa ,  Akihiro Kaneko ,  Shigeru Shimada ,  Kishiko Maruyama ,  Akinori Asahara

    IPC分类号： G01C21/00 ,  G01C21/34 ,  G08G1/123

    CPC分类号： G01C21/367 ,  G01C21/3694 ,  G08G1/096716 ,  G08G1/09675 ,  G08G1/096775

    摘要： This on-vehicle map display apparatus comprises a map scale setting unit that sets a map scale, a summary map generation unit that generates a summary map by abbreviating road shapes if a map scale that is less than a predetermined scale is set by the map scale setting unit, a summary map display control unit that displays the summary map generated by the summary map generation unit upon a display monitor, a congestion information acquisition unit that acquires congestion information, and a congestion information display control unit that displays the congestion information acquired by the congestion information acquisition unit as superimposed upon the summary map displayed upon the display monitor by the summary map display control unit.

    摘要翻译： 该车载地图显示装置包括：地图比例设定单元，其设定地图比例;概要地图生成单元，其通过地图比例设定小于预定比例的地图比例时，通过缩写道路形状来生成概要地图 总结地图显示控制单元，其在显示监视器上显示由总结图生成单元生成的概要图，拥挤信息获取单元，其获取拥挤信息;拥堵信息显示控制单元，显示由 所述拥堵信息获取单元叠加在由所述概要地图显示控制单元显示在所述显示监视器上的所述总结图上。

    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。