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1. 发明授权

US5748109A Apparatus and method for navigating vehicle to destination using display unit 失效
公开(公告)号：US5748109A
公开(公告)日：1998-05-05
申请号：US362647
申请日：1994-12-23
申请人： Akio Kosaka , Okihiko Nakayama , Yoshitaka Yatsugi , Norimasa Kishi , Masaki Watanabe , Kiyomichi Yamada , Masayasu Iwasaki , Hiroshi Tsuda
发明人： Akio Kosaka , Okihiko Nakayama , Yoshitaka Yatsugi , Norimasa Kishi , Masaki Watanabe , Kiyomichi Yamada , Masayasu Iwasaki , Hiroshi Tsuda
IPC分类号： G01C21/36 , G08G1/0969 , G09B29/10 , G08G1/123
CPC分类号： G01C21/3635 , G08G1/0969 , G09B29/106
摘要： A bird's eye view commonly used in a flight simulation is applicable to an apparatus and method for navigating a vehicle running on a set route of travel to a set destination using a (color) display unit according to the present invention. The bird's eye view of a road map surrounding a present position of the vehicle has a viewing point placed at a predetermined position on an upper sky in a direction opposite to the set destination with the present position of the vehicle as a reference and has a line of sight looking down over the road map so that a part of the road map surrounding the present position of the vehicle can be viewed in an extended scale form and the remaining part of the road map remote from the present position and nearer to the set destination can be viewed in a gradually reduction scale form.

2. 发明授权

US6011494A Portable or vehicular navigating apparatus and method capable of displaying bird's eye view 失效
标题翻译：便携式或车载导航装置和方法，能够显示鸟瞰图
公开(公告)号：US6011494A
公开(公告)日：2000-01-04
申请号：US92641
申请日：1998-06-09
申请人： Masaki Watanabe , Norimasa Kishi , Yoshitaka Yatsugi , Kiyomichi Yamada
发明人： Masaki Watanabe , Norimasa Kishi , Yoshitaka Yatsugi , Kiyomichi Yamada
IPC分类号： G01C21/36 , G08G1/0969 , G09B29/10 , G08G1/123
CPC分类号： G01C21/3635 , G08G1/0969 , G09B29/106
摘要： In an apparatus and method for navigating a mobile body such as a vehicle or user, an accurate and easily grasping road map graphic data in a bird's eye display mode are achieved with a running route on which the mobile body has traveled maintained and having a continuity to the past running information and operability of the navigating apparatus is improved. In the navigating apparatus and method, the present position information and display parameter information are previously set, a line of sight is determined on the basis of the forwarding direction information, a view point position is determined on the basis of the forwarding direction is determined. A road map data expressed with a two-dimensional X-Y plane as a reference is stored. The road map data stored receive their coordinate transformations on the basis of the determined view point position and direction of line of sight to generate the bird's eye view. Such generated bird's eye view image data are output to a display unit so that the bird's eye view can be viewed from a display image screen. Furthermore, character data such as names of places are selectively superimposed on respective minor regions of the image screen without superimpositions on other character data belonging to adjacent minor regions.
摘要翻译：在用于导航诸如车辆或用户的移动体的装置和方法中，利用行进路线实现鸟瞰显示模式中的准确且容易掌握的路线图图形数据，移动体已经在其上行进并且具有连续性改进了导航装置的运行信息和可操作性。在导航装置和方法中，预先设定当前位置信息和显示参数信息，根据转发方向信息确定视线，根据转发方向确定视点位置。存储用二维X-Y平面表示的路线图数据作为基准。存储的路线图数据根据确定的视点位置和视线方向接收其坐标变换，以产生鸟瞰图。这样生成的鸟瞰图图像数据被输出到显示单元，从而可以从显示图像屏幕观看鸟瞰图。此外，诸如地名的字符数据被选择性地叠加在图像屏幕的各个次要区域上，而不会叠加在属于相邻次要区域的其他字符数据上。

3. 发明授权

US5793310A Portable or vehicular navigating apparatus and method capable of displaying bird's eye view 失效
公开(公告)号：US5793310A
公开(公告)日：1998-08-11
申请号：US384715
申请日：1995-02-03
申请人： Masaki Watanabe , Norimasa Kishi , Yoshitaka Yatsugi , Kiyomichi Yamada
发明人： Masaki Watanabe , Norimasa Kishi , Yoshitaka Yatsugi , Kiyomichi Yamada
IPC分类号： G01C21/36 , G08G1/0969 , G09B29/10 , G08G1/123
CPC分类号： G01C21/3635 , G08G1/0969 , G09B29/106
摘要： In an apparatus and method for navigating a mobile body such as a vehicle or user, an accurate and easily grasping road map graphic data in a bird's eye display mode are achieved with a running route on which the mobile body has traveled maintained and having a continuity to the past running information and operability of the navigating apparatus is improved. In the navigating apparatus and method, the present position information and display parameter information are previously set, a line of sight is determined on the basis of the forwarding direction information, a view point position is determined on the basis of the forwarding direction is determined. A road map data expressed with a two-dimensional X-Y plane as a reference is stored. The road map data stored receive their coordinate transformations on the basis of the determined view point position and direction of line of sight to generate the bird's eye view. Such generated bird's eye view image data are output to a display unit so that the bird's eye view can be viewed from a display image screen. Furthermore, character data such as names of places are selectively superimposed on respective minor regions of the image screen without superimpositions on other character data belonging to adjacent minor regions.

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