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    • 1. 发明授权
    • Navigation device
    • 导航设备
    • US6411898B2
    • 2002-06-25
    • US83936301
    • 2001-04-23
    • MATSUSHITA ELECTRIC IND CO LTD
    • ISHIDA AKIRAUEYAMA YOSHIKISAKAMOTO KIYOMI
    • G01C21/36G01C3/06
    • G01C21/3697
    • In a navigation device assisting a driver of a vehicle to drive safely by presenting accurate information at the right time what is going on around his/her vehicle, an obstacle detection part detects any obstacle with the help of external information monitored by an external monitor part. By utilizing the vehicle's current position detected by an input part and a position detection part, and map data stored in a map data storage part, a route selection part searches for a route to a destination. Based on thus found route, current position, map data, and the external information from the obstacle detection part, a guiding part performs route guidance to the destination. A map data arranging part refers to the map data, information from the obstacle detection part and the input part, and object model display information from the object model display information storage part, and arranges any applicable object model onto a map data space. A display accordingly displays guidance information together with the resulting map image.
    • 在辅助车辆驾驶员通过在正确的时间在其车辆周围正在发生的正确信息来辅助驾驶员的导航装置中,障碍物检测部分借助外部监视器部分监视的外部信息来检测任何障碍物 。 通过利用由输入部分和位置检测部分检测到的车辆的当前位置,以及映射存储在地图数据存储部分中的数据,路线选择部分搜索到目的地的路线。 基于这样找到的路线,当前位置,地图数据和来自障碍物检测部分的外部信息,引导部分对目的地进行路线引导。 地图数据排列部分参照地图数据,来自障碍物检测部分和输入部分的信息,以及来自对象模型显示信息存储部分的对象模型显示信息,并将任何可应用的对象模型布置到地图数据空间上。 因此,显示器将显示引导信息以及所得到的地图图像。
    • 2. 发明专利
    • DE69839855D1
    • 2008-09-18
    • DE69839855
    • 1998-01-27
    • MATSUSHITA ELECTRIC IND CO LTD
    • FUSHIMI MAKOTOUEYAMA YOSHIKIYAGYU TAKESHI
    • G01C21/20G01C21/34
    • In areas where composite intersection traffic regulation exits, nodes and links for use in the conventional network are separated into a plurality of nodes and links, respectively. For example, one node is separated into N1a to N1c, and one link is separated into L1a to L1c. Then, the whole road network is represented by separating the network into a road network (L1a, L2a, L3a, L4a, L5a, N1a, N2a) in view of entering links (L1a, L3a) which the composite intersection traffic regulation does not affect, and road networks ± (L1b, L2b, L3b, L4b, N1b, N2b) and ² (L1c, L2c, L3c, L5c, N1c, N2c) in view of entering links (L4b, L5c) which the composite intersection traffic regulation affects, and one-way traffic regulations are set on suitable links to allow representation of the composite intersection transfer regulation. Use of such map data enables selection compliant with the composite intersection traffic regulation without specific processing at the time of search processing.
    • 4. 发明专利
    • DE69616002T2
    • 2002-07-04
    • DE69616002
    • 1996-12-20
    • MATSUSHITA ELECTRIC IND CO LTD
    • YAGYU TAKESHIFUSHIMI MAKOTOUEYAMA YOSHIKI
    • G09B29/10G01C21/00G01C21/34G08G1/0969
    • An optimum route searching device 5 conducts a search in a predetermined area on road network data on a lower hierarchical level to obtain minimum arrival costs to individual nodes in the search area and then selects a node located on an upper hierarchical level existing link from the search area. Then the optimum route searching device 5 obtains a remaining cost to a node common with the upper hierarchical level which first appear on the upper hierarchical level existing link. Then the optimum route searching device 5 obtains a minimum arrival cost from the starting point of the search to the common node on the basis of the minimum arrival cost to the selected node and the remaining cost to the common node. The minimum arrival cost to the common node obtained at this time is used as initial conditions for a route search performed on the road network data on the upper hierarchical level. This makes it possible to shift the search results on the lower hierarchical level to the upper hierarchical level without causing an abnormal route such as a U-turn path and a bypass path.
    • 7. 发明专利
    • DE69711795D1
    • 2002-05-16
    • DE69711795
    • 1997-09-26
    • MATSUSHITA ELECTRIC IND CO LTD
    • YAGYU TAKESHIIHARA YASUHIROUEYAMA YOSHIKI
    • G09B29/10G01C21/00G01C21/34G08G1/0969G08G1/0968
    • Road network data is divided into a plurality of road network areas and one or a plurality of routes are obtained between the divided road network areas. The obtained routes are stored into a route data storage device 1. When a starting point and a destination are specified from a point input device 2, an area investigating device 3 investigates two road network areas to which the points belong. A route retrieving device 4 retrieves the route data corresponding to the combination of the obtained two road network areas from the route data storage device 1. A peripheral route searching device 8 searches for connecting routes in the road network areas to which the starting point and the destination belong, on the basis of the road network data stored in the road network data storage device 7. Further, the peripheral route searching device 8 produces the entire route from the starting point to the destination by using the route data retrieved from the route data storage device 1 and the connecting routes searched for in the vicinities of the starting point and the destination and presents the route to a user through an output device 6. This way, routes between arbitrary two road network areas are obtained in advance and stored as route data. When a starting point and a destination are specified, the route data between the corresponding road network areas are retrieved and a route from the starting point to the destination is presented on the basis of the retrieved route data. Thus the route can be searched for in an instant.
    • 10. 发明专利
    • DE60122963T2
    • 2007-09-13
    • DE60122963
    • 2001-04-24
    • MATSUSHITA ELECTRIC IND CO LTD
    • ISHIDA AKIRAUEYAMA YOSHIKISAKAMOTO KIYOMI
    • G01C21/36G08G1/16
    • In a navigation device assisting a driver of a vehicle to drive safely by presenting accurate information at the right time what is going on around his/her vehicle, an obstacle detection part (8) detects any obstacle with the help of external information monitored by an external monitor part (7). By utilizing the vehicle's current position detected by an input part (2) and a position detection part (9), and map data stored in a map data storage part (3), a route selection part (10) searches for a route to a destination. Based on thus found route, current position, map data, and the external information from the obstacle detection part (8), a guiding part (11) performs route guidance to the destination. A map data arranging part (4) refers to the map data, information from the obstacle detection part (8) and the input part (2), and object model display information from the object model display information storage part (6), and arranges any applicable object model onto a map data space. A display (5) accordingly displays guidance information together with the resulting map image.