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1. 发明授权

US5168452A Route exploration method of navigation apparatus 失效
标题翻译：导航仪的路线探测方法
公开(公告)号：US5168452A
公开(公告)日：1992-12-01
申请号：US662504
申请日：1991-02-28
申请人： Takashi Yamada , Mitsuhiro Nimura , Yasuhiro Toyama , Shoji Yokoyama
发明人： Takashi Yamada , Mitsuhiro Nimura , Yasuhiro Toyama , Shoji Yokoyama
IPC分类号： G01C21/34 , G08G1/0968 , G08G1/0969
CPC分类号： G08G1/096827 , G01C21/3446 , G08G1/0969
摘要： In a navigation apparatus for setting a route from a designated departure point to a destination and providing guidance along the route, there are provided, as map data used in route exploration, node data [FIG. 15(b)] comprising position information and information relating to the attributes thereof, intersection data [FIGS. 2-5(b), FIG. 15(b)] comprising information relating to intersections, and road data [FIGS. 2-5(a), FIG. 15(c)] comprising information related to roads. Information such as roads between intersections and intersections which are the starting and end points of roads are obtained from the intersection data and road data, and an optimum route is retrieved by comparing routes. The map data is put into the form of a layered structure, as shown in FIG. 1, a branch road network is developed in an upper-layer (2) connected to a trunk road network with respect to a higher-order layer (1) of the trunk road network, block division is performed, and exploration from a lower-order layer to intersections connected to a road network of the higher-order layer is successively repeated. The foregoing makes it possible to perform processing upon limiting the range of exploration, and to raise the speed of exploration processing. In addition, the work area needed for exploration can be reduced and storage data can be conserved.

2. 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.

3. 发明授权

US5115399A Position input system for vehicular navigation apparatus 失效
标题翻译：用于车辆导航装置的位置输入系统
公开(公告)号：US5115399A
公开(公告)日：1992-05-19
申请号：US618021
申请日：1990-11-26
申请人： Mitsuhiro Nimura , Shoji Yokoyama , Takashi Yamada , Koji Sumiya , Shuzo Moroto
发明人： Mitsuhiro Nimura , Shoji Yokoyama , Takashi Yamada , Koji Sumiya , Shuzo Moroto
IPC分类号： G08G1/0969 , G01C21/00 , G01C21/36 , G08G1/137
CPC分类号： G01C21/36
摘要： A position input system for a vehicular navigation apparatus includes an input unit for inputting a desired destination and a present position, a memory unit for storing desired destination information and map information, and a display unit for outputting the desired destination information and map information in response to input information from the input unit. The map information is indicative of intersections and a geographical point located between intersections and possessing useful guidance information. A desired destination and present position are capable of being inputted by setting the useful guidance information between a road leading to and a road leading from the geographical point. This makes it possible to enter position simply and accurately. Positions are precise since they are selected from pre-stored information relating to geographical locations. Vehicle direction can also be inputted in accurate fashion where parking lot exits and intersections are concerned.

4. 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。

5. 发明授权

US5506578A Volume control of aural guidance of vehicle route guidance apparatus 失效
标题翻译：车辆导航仪器听觉指导音量控制
公开(公告)号：US5506578A
公开(公告)日：1996-04-09
申请号：US095439
申请日：1993-07-23
申请人： Hiroshi Kishi , Toru Ito , Shoji Yokoyama , Kyomi Morimoto , Mitsuhiro Nimura , Shigekazu Ohara
发明人： Hiroshi Kishi , Toru Ito , Shoji Yokoyama , Kyomi Morimoto , Mitsuhiro Nimura , Shigekazu Ohara
IPC分类号： B60R16/02 , B60R16/037 , G01C21/36 , G08G1/0968 , G08G1/123
CPC分类号： B60R16/0373 , G01C21/3629 , G08G1/096827 , G08G1/096872
摘要： An apparatus to facilitate volume control for route aural guidance. When supplying a guidance voice to a loudspeaker 34a, a voice control section 30 disconnects the loudspeaker 34a from audio and outputs the guidance voice through the loudspeaker. A volume control screen is displayed on a display section 28 where the user adjusts the volume by touching the screen. When the voice control section 30 switches a signal to the loudspeaker 34a, a mute circuit 40a is operated to mute the voice output before the voice is output through the loudspeaker 34a. When the user terminates volume adjustment, the voice control section 30 outputs a voice for volume confirmation or check at the adjusted volume through the loudspeaker 34a. The user can check the adjusted volume at this time.
摘要翻译：一种便于音量控制的设备，用于路线听觉指导。当向扬声器34a提供引导语音时，语音控制部分30将扬声器34a与音频断开，并通过扬声器输出引导声音。音量控制画面显示在用户通过触摸屏幕来调节音量的显示部分28上。当语音控制部分30将信号切换到扬声器34a时，静音电路40a被操作以在语音通过扬声器34a输出之前使语音输出静音。当用户终止音量调整时，语音控制部分30通过扬声器34a输出用于音量确认的语音或通过调节音量的检查。此时用户可以检查调整后的音量。

6. 发明授权

US5452212A Navigation system for vehicle 失效
标题翻译：车辆导航系统
公开(公告)号：US5452212A
公开(公告)日：1995-09-19
申请号：US106952
申请日：1993-08-17
申请人： Shoji Yokoyama , Kyoumi Morimoto , Mitsuhiro Nimura , Akimasa Nanba , Hiroyoshi Masuda
发明人： Shoji Yokoyama , Kyoumi Morimoto , Mitsuhiro Nimura , Akimasa Nanba , Hiroyoshi Masuda
IPC分类号： G01C21/36 , G07B15/06 , G08G1/0969 , G06F17/00
CPC分类号： G07B15/063 , G01C21/3629 , G01C21/3644 , G01C21/367 , G08G1/0969
摘要： A navigation system for use in a vehicle including a route-calculating section and a route guide control section. The route-calculating section searches for an optimum route according to conditions set for the search. The guide control section provides displays necessary to guide the driver of the vehicle, and guides the driver by speech. This guide control has a landmark name-setting section which sets the names of landmarks according to information about the landmarks, the information retrieved from a guidance information storage section according to information about the present position from a present position-determining section. A display section displays a whole route map indicating the selected route according to instructions from the route guidance control section. At the same time, the names of the landmarks are presented on the display section. When the navigation system guides the driver to a destination via a tollway such as a toll highway, the name of an entry/exit interchange connecting to the highway is displayed. This permits the driver to take a familiar route up to this interchange.
摘要翻译：一种用于车辆的导航系统，包括路线计算部分和路线引导控制部分。路线计算部根据搜索条件搜索最佳路线。引导控制部分提供引导车辆驾驶员所必需的显示器，并且通过语音引导驾驶员。该指南控制具有地标名称设定部，其根据关于地标的信息设定地标的名称，根据与当前位置确定部相关的关于当前位置的信息从引导信息存储部检索到的信息。显示部根据来自路线引导控制部的指示，显示表示所选择的路线的整个路线图。同时，地标的名称显示在显示部分。当导航系统通过收费公路等收费站引导驾驶员到目的地时，显示连接到高速公路的进/出交换机的名称。这样可以让驾驶员熟悉这条交汇路口。

7. 发明授权

US4992947A Vehicular navigation apparatus with help function 失效
标题翻译：车载导航仪具有辅助功能
公开(公告)号：US4992947A
公开(公告)日：1991-02-12
申请号：US290118
申请日：1988-12-27
申请人： Mitsuhiro Nimura , Shoji Yokoyama , Koji Sumiya , Shuzo Moroto
发明人： Mitsuhiro Nimura , Shoji Yokoyama , Koji Sumiya , Shuzo Moroto
IPC分类号： G08G1/0969 , G01C21/00 , G01C21/36 , G08G1/137
CPC分类号： G01C21/3626
摘要： A vehicular navigation apparatus, which is equipped with a help function, for outputting guidance information for travel to a desired destination includes an input unit having desired destination input means, present position input means and help function input means, a memory unit for storing desired destination information, and a display unit for outputting the guidance information in response to input information from the input unit, wherein the memory unit is provided with a non-volatile RAM, with necessary information being saved in an area of the non-volatile RAM when a help function is called by the help function input means. Help function items are provided for the following occasions: when the driver wishes to input or change a departure point and then depart from that point; when the driver wishes to change a desired destination while en route to a formerly set destination; when the driver strays off course while en route to a desired destination and cannot determine his present position without returning to the point at which the vehicle went off course; when a course cannot be travelled because of road construction or the like; when traffic becomes heavy and the driver wishes to change from one route to another to avoid congestion, and when the driver wishes to temporarily leave the course and then return to the course at the same point.

8. 发明授权

US4939662A Navigation apparatus 失效
标题翻译：导航仪
公开(公告)号：US4939662A
公开(公告)日：1990-07-03
申请号：US217531
申请日：1988-07-11
申请人： Mitsuhiro Nimura , Shoji Yokoyama
发明人： Mitsuhiro Nimura , Shoji Yokoyama
IPC分类号： G09B29/10 , G01C21/00 , G01C21/36 , G08G1/0968 , G08G1/0969 , G06F15/50
CPC分类号： G01C21/3629 , G01C21/3644 , G01C21/3647 , G01C21/3655
摘要： A navigation apparatus for navigating a vehicle in accordance with a preset course while measuring distance travelled and steering angle is characterized by presetting distance information for guidance along the course, and outputting guidance relating to the pertinent distance information in the form of travelling conditions corresponding to the preset distance information. Distance information for guiding a driver along the course is preset. Therefore, even if it is a long distance to an intersection at which the next turn is to be made, whenever the vehicle has traveled a fixed distance the driver is unfailingly supplied with distance information relating to the intersection at which the next turn is to be made and with distance information relating to distinguishing features seen along the course, such as facilities and scenery, during the time the vehicle is travelling between the intersections. Thus, if a long distance must be travelled to reach the intersection at which the next turn is to be made, the driver is frequently supplied with guidance relating to distance information while traveling. This makes it possible for the driver to verify the course and assures that the driver can drive the vehicle at ease without requiring that he be aware of the distance to the intersection at which the next turn is to be made.
摘要翻译：用于在测量行驶距离和转向角度的同时根据预设路线导航车辆的导航装置的特征在于预设用于沿着路线的引导的距离信息，并且以对应于该行驶状态的行驶条件的形式输出与相关距离信息相关的引导预设距离信息。用于指导驾驶员沿着路线的距离信息被预设。因此，即使是与要进行下一回合的十字路口的距离较远，只要车辆行驶了一定距离，驾驶员将不断地提供与下一回合交叉路口有关的距离信息并且在车辆在交叉路口之间行进时，具有与沿着路线看到的区别特征（例如设施和风景）相关的距离信息。因此，如果必须行驶长距离才能到达下一回合的交叉点，则驾驶员在行驶时经常提供与距离信息有关的指导。这使驾驶员有可能验证航程，并确保驾驶员可以轻松驾驶车辆，而不需要他知道到下一回合的交叉路口的距离。

9. 发明授权

US5231584A Navigation apparatus with non-volatile memory for return to initial departure point 失效
标题翻译：具有非易失性存储器的导航装置返回到初始出发点
公开(公告)号：US5231584A
公开(公告)日：1993-07-27
申请号：US759610
申请日：1991-09-16
申请人： Mitsuhiro Nimura , Shoji Yokoyama , Koji Sumiya , Shuzo Moroto , Kiyohide Kato
发明人： Mitsuhiro Nimura , Shoji Yokoyama , Koji Sumiya , Shuzo Moroto , Kiyohide Kato
IPC分类号： G01C21/34
CPC分类号： G01C21/3415 , G01C21/34
摘要： A navigation apparatus has an input unit (1), a CPU (2), a display unit (3) and a memory unit (4), the memory unit (4) being a memory such as a CD-ROM in which network data of geographical points, namely destinations and present locations, and information are stored in advance. Also stored are map data (10), an intersection list (11), a destination list (12), road data (13) and a region name list (14), etc. When a destination is designated by an input from the input means (1), the CPU (2) performs an exchange with a program, stored in a ROM (9a), in order to set information for travel to the destination by course exploration in accordance with each geographical point stored in the memory unit (4). This information is stored in a memory such as a RAM (9b). In an embodiment, the RAM (9b) is provided with a non-volatile area for storing departure-point data (east longitude, north latitude, etc.). When an input is made by a reset switch in entering a departure point, the data in this non-volatile area can be rewritten. Data written in are preserved until the reset switch is pressed again and a geographical point is entered. Data will not be erased even if an ignition switch is turned off.
摘要翻译：导航装置具有输入单元（1），CPU（2），显示单元（3）和存储单元（4），存储单元（4）是诸如CD-ROM的存储器，其中网络数据的地理位置，即目的地和当前位置，并且预先存储信息。还存储地图数据（10），交叉路口列表（11），目的地列表（12），道路数据（13）和区域名称列表（14）等。当通过输入的输入指定目的地时（1）中，CPU（2）执行与存储在ROM（9a）中的程序的交换，以便根据存储在存储单元中的每个地理位置通过课程探索设置到目的地的旅行信息（ 4）。该信息存储在诸如RAM（9b）的存储器中。在一个实施例中，RAM（9b）设置有用于存储起点数据（东经，北纬等）的非易失性区域。当输入起点的复位开关进行输入时，可以重写该非易失性区域中的数据。写入的数据将保留，直到再次按下复位开关并输入地理点。即使点火开关关闭，数据也不会被擦除。

10. 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.

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