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1. 发明授权

US5928308A Navigation system for vehicles 失效
标题翻译：车辆导航系统
公开(公告)号：US5928308A
公开(公告)日：1999-07-27
申请号：US704010
申请日：1996-08-26
申请人： Akimasa Nanba , Mitsuhiro Nimura , Yasunobu Ito
发明人： Akimasa Nanba , Mitsuhiro Nimura , Yasunobu Ito
IPC分类号： G01C21/36 , G06F165/00
CPC分类号： G01C21/3626
摘要： A navigation system calculates a route from a present position of a vehicle to a destination and provides guidance based on the calculated route. When the vehicle is within a given distance from a next approaching branch point requiring guidance, branch points existing within a given distance from next approaching branch point are determined and direction information for the branch points is acquired. The acquired direction information is compared with direction information at the next approaching branch point, and a common direction information is displayed based on the result of the comparison. Also, the navigation system according to the present invention detects a name of an interchange where the vehicle is to exit from the course and a distance to said interchange based on the present position of the vehicle in case the road where the vehicle is currently driven along is an expressway or a toll road. The navigation system according to the present invention calculates a route from the present position to the destination and properly calculates and provides guidance for the expected time of arrival at the destination as the vehicle moves.
摘要翻译：导航系统计算从车辆的当前位置到目的地的路线，并且基于所计算的路线提供指导。当车辆距离需要引导的下一个接近的分支点在给定距离内时，确定存在于距离下一个接近分支点的给定距离内的分支点，并且获取分支点的方向信息。将获取的方向信息与下一个接近分支点处的方向信息进行比较，并且基于比较的结果来显示公共方向信息。此外，根据本发明的导航系统，在车辆当前被驱动的道路的情况下，根据车辆的当前位置，检测车辆要离开路线的距离和与所述交汇处的距离的交换的名称是高速公路或收费公路。根据本发明的导航系统计算从当前位置到目的地的路线，并且在车辆移动时适当地计算并提供到达目的地的预期到达时间的指导。

2. 发明授权

US5371497A Navigation system for vehicles 失效
标题翻译：车辆导航系统
公开(公告)号：US5371497A
公开(公告)日：1994-12-06
申请号：US102251
申请日：1993-08-05
申请人： Mitsuhiro Nimura , Akimasa Nanba , Hiroyoshi Masuda , Hiroshi Kishi , Toru Ito
发明人： Mitsuhiro Nimura , Akimasa Nanba , Hiroyoshi Masuda , Hiroshi Kishi , Toru Ito
IPC分类号： G01C21/00 , G01C21/34 , G08G1/0969 , G10L13/00 , G08G1/123
CPC分类号： G01C21/34
摘要： A navigation system for vehicles, capable of exactly and quickly showing guide information to a driver when two intersections to be negotiated are close to each other, is provided. A destination is input by an input part and a route to the destination is calculated from a present position of a vehicle, calculated by a present position determiner, by a route calculator included in a calculation section. The calculated route is stored in a route memory. A route guide controller included in the calculation section reads map information around the vehicle, stored in a guide information memory within a map information storage section and superimposes the map information with the present position of the vehicle, a traveling direction and the route stored in the route memory to display the superimposed information on a display. When the vehicle approaches the intersection, the screen is changed with an intersection map, but, when a next intersection map is required, the next intersection map is drawn on the back screen and is displayed by changing the two screens after the vehicle passes through the first intersection.
摘要翻译：提供了一种用于车辆的导航系统，其能够在要协商的两个交叉点彼此靠近时准确且快速地向司机显示指导信息。通过输入部输入目的地，并且由当前位置确定器根据计算部分中包括的路线计算器从当前位置计算到目的地的路线。计算的路由存储在路由存储器中。包括在计算部分中的路线引导控制器读取存储在地图信息存储部分中的引导信息存储器中的车辆周围的地图信息，并将地图信息与车辆的当前位置，行进方向和存储在路由存储器以在显示器上显示叠加的信息。当车辆接近交叉路口时，屏幕用交叉路口地图改变，但是当需要下一个十字路口地图时，下一个十字路口地图画在后屏幕上，并且在车辆通过后通过改变两个屏幕来显示第一个十字路口。

3. 发明授权

US5121326A Display system in navigation apparatus 失效
标题翻译：导航装置中的显示系统
公开(公告)号：US5121326A
公开(公告)日：1992-06-09
申请号：US666485
申请日：1991-03-06
申请人： Shuzo Moroto , Shoji Yokoyama , Mitsuhiro Nimura , Akimasa Nanba , Takashi Yamada , Koji Sumiya
发明人： Shuzo Moroto , Shoji Yokoyama , Mitsuhiro Nimura , Akimasa Nanba , Takashi Yamada , Koji Sumiya
IPC分类号： G01C21/36
CPC分类号： G01C21/367 , G01C21/3673 , G01C21/3682
摘要： A display system in a navigation apparatus according to the invention has course searching means (13) for searching out an optimum course based on position information, node data (21), intersection data (19) and road data (23), and scale ratio setting means (15), wherein the scale ratio of a displayed map is set in conformity with distance between a present position and a destination, and roads are selectively displayed on a display unit (31) in conformity with the scale ratio.Further, the invention has a data processing controller (46) for performing processing based on a departure intersection entered at an input unit (43), a display unit for displaying, based on the results of processing, an intersection diagram comprising the departure intersection, a peripheral road network and landmarks, and touch keys (35) such as a verification key for displaying direction of travel on the displayed intersection map, and a rotation instruction key for rotating and displaying the intersection diagram.In addition, the invention includes display means (48) for displaying an intersection diagram, in which direction of travel is pointed upward, and intersection landmark patterns, map data (53) stored as a relationship among roads, intersections and intersection landmarks, and as coordinated, and a data processing controller (46) for reading, from the map data (53), positional coordinates of an intersection landmark to be displayed, rotating and enlarging the positional coordinates and transforming them into coordinates of a display area set on the display means, and sending an output signal to the display means (48) in such a manner that the intersection landmark patterns are displayed on the transformed coordinates.

4. 发明授权

US5067082A Navigation apparatus 失效
标题翻译：导航装置
公开(公告)号：US5067082A
公开(公告)日：1991-11-19
申请号：US408504
申请日：1989-08-23
申请人： Mitsuhiro Nimura , Akimasa Nanba , Shoji Yokoyama
发明人： Mitsuhiro Nimura , Akimasa Nanba , Shoji Yokoyama
IPC分类号： G01C21/26 , G01C21/34
CPC分类号： G01C21/30 , G01C21/26
摘要： Navigation data (26) are generated by performing course exploration up to a destination using path data (26), which include information relating to intersections and road information, in response to input of the destination. Course guidance to the destination is provided while present-position pursuit (37) is performed. Course guidance at an end-point of a present-position road is outputted using guidance information for travel to a destination at every intersection obtained from the road network data (26) by course exploration. At an intersection, a road in a direction of travel is recognized by the present-position pursuit means (37), present position on this road is kept track of and the end-point intersection of the road is recognized. Recognition of the travelling direction is performed at the end-point intersection of a road between intersections, and guidance to the next end-point intersection is outputted with the road in the travelling direction serving as a present-position road, whereby course guidance is performed repeatedly at every intersection up to the destination. In course exploration, a road in the direction of travel leading to the destination is set with regard to each intersection. Therefore, if an intersection and the road in the travelling direction thereof are recognized, it is possible to provide course guidance from the end-point intersection of the road in the travelling direction to the destination.

5. 发明授权

US4937752A An apparatus for correcting distance error in a navigation system 失效
标题翻译：一种用于校正导航系统中距离误差的装置
公开(公告)号：US4937752A
公开(公告)日：1990-06-26
申请号：US290136
申请日：1988-12-27
申请人： Akimasa Nanba , Mitsuhiro Nimura , Shoji Yokoyama
发明人： Akimasa Nanba , Mitsuhiro Nimura , Shoji Yokoyama
IPC分类号： G01C21/00 , G01C21/28 , G08G1/0969
CPC分类号： G01C21/28
摘要： In a navigation system, during navigation between guidance intersections A and B, a next named intersection C is displayed along with the distance remaining until the named intersection B is reached. After the vehicle has entered the distance error correction range, illumination color of the display of the next named intersection C is changed into, for example, red. If a corresponding portion of the display screen is touched at the time of passage though the intersection, a distance error is corrected. The invention thus makes it possible to readily correct distance errors with accuracy. Even during navigation along a straight road, distance correction can be performed at specific intersections. The invention also makes it possible to track the present position with accuracy by increasing the frequency of distance error correction.

6. 发明授权

US5793631A Voice route-guidance system and method having a function for judging approachment to a decision point 失效
标题翻译：语音路线引导系统和方法具有判断接近决策点的功能
公开(公告)号：US5793631A
公开(公告)日：1998-08-11
申请号：US400005
申请日：1995-03-06
申请人： Toru Ito , Hiroshi Kishi , Atsushi Watanabe , Mitsuhiro Nimura , Akimasa Nanba , Toyoji Hiyokawa , Shigekazu Ohara , Kazuteru Maekawa , Shinichi Katoh
发明人： Toru Ito , Hiroshi Kishi , Atsushi Watanabe , Mitsuhiro Nimura , Akimasa Nanba , Toyoji Hiyokawa , Shigekazu Ohara , Kazuteru Maekawa , Shinichi Katoh
IPC分类号： B60R16/02 , B60R16/037 , G01C21/36 , G08G1/0968 , G06G7/78 , G08G1/123
CPC分类号： B60R16/0373 , G01C21/3629 , G01C21/3655 , G08G1/096827 , G08G1/096844 , G08G1/096861 , G08G1/096872
摘要： A voice route-guidance system for vehicles which terminates its route-guidance when the vehicle arrives at the destination and even if the present position of the vehicle is measured with low accuracy. An approach judging unit judges that the vehicle approaches a point spaced apart from a destination by a predetermined distance. A guidance termination judging unit further judges whether or not there is a point in which the route-guidance should be carried out between the present vehicle position and the destination. From these judgments, the system judges that the vehicle approaches the point spaced apart from the destination by the predetermined distance and also that all the route-guidance has been terminated. Thus, a termination unit terminates the route-guidance.
摘要翻译：车辆到达目的地时终止其路线引导并且即使以低精度测量车辆的当前位置的车辆的语音路线引导系统。进近判断单元判断车辆接近与目的地间隔一定距离的点。引导终止判断部还判断是否存在在当前车辆位置与目的地之间进行路线引导的点。根据这些判断，系统判断车辆接近与目的地隔开预定距离的点，并且所有路线指导已经终止。因此，终端单元终止路线引导。

7. 发明授权

US5796613A Navigation system for vehicles including present position calculating means 失效
公开(公告)号：US5796613A
公开(公告)日：1998-08-18
申请号：US510088
申请日：1995-08-01
申请人： Shinichi Kato , Mitsuhiro Nimura , Masaharu Hanasaki , Akimasa Nanba
发明人： Shinichi Kato , Mitsuhiro Nimura , Masaharu Hanasaki , Akimasa Nanba
IPC分类号： G01C21/28 , G01C21/00 , G01C22/00
CPC分类号： G01C21/28
摘要： In order to calculate the traveling distance and heading of a vehicle in highly accurate fashion, a navigation system is provided with a distance sensor for outputting pulses in proportion to rotation of a wheel, a GPS receiving unit for calculating vehicle speed by GPS reception, acquisition unit for acquiring the number of pulses at the same time as GPS reception, distance correction coefficient calculating unit for calculating GPS traveling distance from the GPS-reception vehicle speed and a time difference between any two points, and calculating a distance correction coefficient from the GPS traveling distance and a pulse difference between two points, and present position calculating unit for calculating present position based upon a corrected distance correction coefficient.

8. 发明授权

US5559511A Vehicle route guidance apparatus for re-searching for a new route when vehicle goes out of route 失效
标题翻译：车辆出路时重新寻找新路线的车辆路线引导装置
公开(公告)号：US5559511A
公开(公告)日：1996-09-24
申请号：US95449
申请日：1993-07-23
申请人： Toru Ito , Hiroshi Kishi , Mitsuhiro Nimura , Akimasa Nanba , Kyomi Morimoto , Shigekazu Ohara , Shoji Yokoyama , Kazuteru Maekawa , Kiyohide Katoh , Hiroyoshi Masuda , Shinichi Katoh , Koji Hashimoto
发明人： Toru Ito , Hiroshi Kishi , Mitsuhiro Nimura , Akimasa Nanba , Kyomi Morimoto , Shigekazu Ohara , Shoji Yokoyama , Kazuteru Maekawa , Kiyohide Katoh , Hiroyoshi Masuda , Shinichi Katoh , Koji Hashimoto
IPC分类号： G01C21/20 , G01C21/34 , G01C21/36 , G08G1/0968 , G08G1/0969 , G08G1/123
CPC分类号： G01C21/3415 , G01C21/3614 , G01C21/3629 , G01C21/3632 , G01C21/367 , G01C21/3673 , G08G1/096827 , G08G1/096844 , G08G1/096861 , G08G1/096866 , G08G1/096872 , G08G1/0969
摘要： A route guidance section compares the current position provided by a current position determination section and the route provided by a route calculation section for detecting an off-route condition. When the off-route condition is detected, a researching key as well as the route and current place is displayed on a display section. When the researching key is touched, a search is again made for a new route from the current position to the destination. Then, route guidance is again started in response to the researching result. When the researching key is not touched, the route and current place continue to be displayed while the vehicle carrying the apparatus travles off route, thereby efficiently preventing the apparatus from executing unnecessary researching when the driver drives the vehicle off route on purpose.
摘要翻译：路径引导部分将当前位置确定部分提供的当前位置与用于检测离线条件的路线计算部分提供的路线进行比较。当检测到路由条件时，在显示部分上显示研究密钥以及路由和当前位置。当研究键被触摸时，再次搜索从当前位置到目的地的新路线。然后，响应研究结果，再次启动路线指导。当研究密钥未被触及时，当携带设备的车辆脱离路线时，继续显示路线和当前位置，从而有效地防止当驾驶员有意驾驶车辆离开路线时进行不必要的研究。

9. 发明授权

US06333702B1 Navigation device 失效
标题翻译：导航设备
公开(公告)号：US06333702B1
公开(公告)日：2001-12-25
申请号：US08756936
申请日：1996-12-02
申请人： Toyoji Hiyokawa , Mitsuhiro Nimura , Akimasa Nanba
发明人： Toyoji Hiyokawa , Mitsuhiro Nimura , Akimasa Nanba
IPC分类号： G08G1123
CPC分类号： G08G1/096827 , G01C21/36 , G08G1/096844 , G08G1/096861 , G08G1/096866 , G08G1/096872 , G08G1/096894 , G09B29/106
摘要： Even when the present position does not exist on a guide road after deviation from an established guide route, a guide road is identified and a more advantageous route is identified. Furthermore, only a minimum amount of required data are displayed on the map picture. The searching again is executed by taking the direction of progress of the car into consideration. Street names of the roads are displayed on the guide map, enabling a guide route to be easily recognized. A particular area is specified by a postal code number or by a telephone number, and the streets or the facilities in the specified area are displayed. This makes it easier to search the destination.
摘要翻译：即使在偏离已建立的导航路线之后当前位置在导向道路上不存在的情况下，也可以识别导向道路，并且识别更有利的路线。此外，在地图画面上仅显示最少量的所需数据。通过考虑汽车的进展方向来执行搜索。道路的街道名称显示在指南图上，使得能够容易地识别引导路线。特定区域由邮政编码或电话号码指定，并且显示指定区域中的街道或设施。这使得更容易搜索目的地。

10. 发明授权

US5890092A Navigation system for vehicles including present position calculating means 失效
标题翻译：包括当前位置计算装置的车辆导航系统
公开(公告)号：US5890092A
公开(公告)日：1999-03-30
申请号：US6158
申请日：1998-01-13
申请人： Shinichi Kato , Mitsuhiro Nimura , Masaharu Hanasaki , Akimasa Nanba
发明人： Shinichi Kato , Mitsuhiro Nimura , Masaharu Hanasaki , Akimasa Nanba
IPC分类号： G01C21/28 , G01C21/00 , G01C22/00
CPC分类号： G01C21/28
摘要： In order to calculate the traveling distance and heading of a vehicle in highly accurate fashion, a navigation system is provided with a distance sensor for outputting pulses in proportion to rotation of a wheel, a GPS receiving unit for calculating vehicle speed by GPS reception, acquisition unit for acquiring the number of pulses at the same time as GPS reception, distance correction coefficient calculating unit for calculating GPS traveling distance from the GPS-reception vehicle speed and a time difference between any two points, and calculating a distance correction coefficient from the GPS traveling distance and a pulse difference between two points, and present position calculating unit for calculating present position based upon a corrected distance correction coefficient.
摘要翻译：为了以高度准确的方式计算出车辆的行进距离和航向，导航系统设置有用于与车轮的旋转成比例地输出脉冲的距离传感器，用于通过GPS接收计算车辆速度的GPS接收单元用于获取与GPS接收同时的脉冲数的单元，用于从GPS接收车辆速度计算GPS行驶距离的距离校正系数计算单元和任何两点之间的时间差，并且计算来自GPS的距离校正系数行程距离和两点之间的脉冲差，以及基于校正距离校正系数计算当前位置的当前位置计算单元。

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