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    • 1. 发明授权
    • System and method for measuring a position of a moving object with a
hybrid navigation apparatus
    • 用混合导航装置测量移动物体的位置的系统和方法
    • US4899285A
    • 1990-02-06
    • US66159
    • 1987-06-25
    • Okihiko NakayamaToshiyuki ItohKatsuhiko Mizushima
    • Okihiko NakayamaToshiyuki ItohKatsuhiko Mizushima
    • G01C21/00G01C21/28G01S19/24G01S19/48G01S19/49G08G1/0968G08G1/123
    • G01S19/49G01C21/28
    • A system and method for measuring a position of a moving object such as a vehicle using a hybrid-type navigation apparatus. In the system and method, at least two measurement results of an electromagnetic wave position measuring apparatus (such as a GPS position measuring apparatus) are evaluated to determine whether they are reliable with respect to the those derived by an integration calculation position measuring apparatus incorporated in the system together with the electromagnetic wave position measuring apparatus on the basis of the corresponding measurement results by means of the integration calculation position measuring apparatus. When they are determined to be highly reliable, a measurement result of the electromagnetic wave position measuring apparatus subsequent to those evaluated is set to a reference position on the basis of which the integration calculation position measuring apparatus measures the position of the moving object. Consequently, a highly reliable measurement of the position of the moving object can always be achieved.
    • 一种使用混合型导航装置测量诸如车辆的移动物体的位置的系统和方法。 在该系统和方法中,对电磁波位置测量装置(例如GPS位置测量装置)的至少两个测量结果进行评估,以确定它们是否相对于由并入的积分计算位置测量装置导出的测量结果是可靠的 该系统与电磁波位置测量装置一起根据相应的测量结果通过积分计算位置测量装置。 当判定为高可靠性时,将评价结果的电磁波位置测量装置的测定结果设定为基准位置,基准位置用积分运算位置测量装置测量移动体的位置。 因此,可以始终实现对运动物体的位置的高度可靠的测量。
    • 3. 发明授权
    • Vehicular traveling direction measuring system
    • 车辆行驶方向测量系统
    • US5023799A
    • 1991-06-11
    • US474922
    • 1990-02-06
    • Okihiko NakayamaHiroshi TsudaToshiyuki ItohHiroshi Ueno
    • Okihiko NakayamaHiroshi TsudaToshiyuki ItohHiroshi Ueno
    • G01C17/28G01C17/38
    • G01C17/38
    • A system measures a traveling direction of a vehicle based on a direction toward a coordinate position defined by outputs of a geomagnetic sensor from a first coordinate position of a center of a corresponding output circle. The system utilizes a preliminary coordinate position as a preliminarily corrected value of the first coordinate position, a first value indicative of accuracy of the preliminary coordinate position and a second value which is variable depending on a variation in a magnetization level on a vehicle body. The system derives a finally corrected value of the first coordinate position based on the preliminary coordinate position and a latest value of the finally corrected value which has been derived in a prior execution of the system, by changing a rate which determines a point of the current finally corrected value between the latest finally corrected value and the preliminary coordinate position.
    • 系统基于从对应的输出圆的中心的第一坐标位置到地磁传感器的输出限定的坐标位置的方向来测量车辆的行驶方向。 该系统利用初步坐标位置作为第一坐标位置的初步校正值,指示预备坐标位置的精度的第一值和根据车身上的磁化水平的变化而变化的第二值。 该系统基于初步坐标位置和在系统的先前执行中导出的最终校正值的最新值,通过改变确定当前点的速率来导出第一坐标位置的最终校正值 最后修正最新的最终校正值与初步坐标位置之间的值。
    • 4. 发明授权
    • Navigation system for automotive vehicle with automatic navigation start
and navigation end point search and automatic route selection
    • 具有自动导航启动和导航终点搜索和自动路线选择的汽车导航系统
    • US4796189A
    • 1989-01-03
    • US842365
    • 1986-03-19
    • Okihiko NakayamaToshiyuki ItohHiroshi Ueno
    • Okihiko NakayamaToshiyuki ItohHiroshi Ueno
    • G01C21/00G01C21/36G08G1/0968G09B29/10G06F15/50
    • G01C21/3632G01C21/367
    • A navigation system has a map memory storing map data. The road map stored in the map memory is divided into a plurality of pages further subdivided into continuous blocks. The map memory also stores identification data for the blocks and index data for various points within the map blocks. The index data includes position data for a plurality of known points. The navigation system also includes an input unit for entry of the identification data for a map memory block and/or the index data for known points, and a display unit for displaying a map block on a display monitor. A processor of the navigation system accepts entry of the index data for a travel starting point and a destination through the input unit. Based on the entered data, the processor searches for the map blocks containing the designated known points. The processor progressively expands the search area along a vector between the travel starting point and the destination. The process finds the known point closest to the travel starting point and the other known point closest to the destination along the vector and stores these as the navigation start point and the navigation end point.
    • 导航系统具有存储地图数据的地图存储器。 存储在地图存储器中的路线图被划分为进一步细分为连续块的多个页面。 地图存储器还存储用于块的标识数据和针对地图块内的各个点的索引数据。 索引数据包括多个已知点的位置数据。 导航系统还包括用于输入地图存储块的识别数据和/或已知点的索引数据的输入单元,以及用于在显示监视器上显示地图块的显示单元。 导航系统的处理器通过输入单元接受行进起点和目的地的索引数据的输入。 基于输入的数据,处理器搜索包含指定的已知点的地图块。 处理器沿着旅行起点和目的地之间的向量逐渐扩展搜索区域。 该过程找到最靠近行进起始点的已知点和沿向量最接近目的地的另一个已知点,并将其存储为导航开始点和导航终点。
    • 5. 发明授权
    • Navigation system for automotive vehicle
    • 汽车导航系统
    • US5206811A
    • 1993-04-27
    • US902425
    • 1992-06-24
    • Toshiyuki ItohHiroshi TsudaKiyomichi YamadaKatsuhiko MizushimaKouichi Ide
    • Toshiyuki ItohHiroshi TsudaKiyomichi YamadaKatsuhiko MizushimaKouichi Ide
    • G01C21/26G01C21/34G08G1/0968
    • G08G1/096827G01C21/26G01C21/343G08G1/096861
    • A navigation system for an automotive vehicle includes a map data storage unit. The storage unit stores first known target points and adjoining target points preselected for each of the first target points from the first target points. The storage unit further stores a first data group associated with each of the first target points. Each of the first data groups includes a second data group corresponding to each of the adjoining target points of the corresponding first target point. Each of the second data groups includes an abstract configuration of the corresponding first target point and a travel information required at the corresponding first target point for going to the corresponding adjoining target point. The system selects second target points from the first target points to define a vehicle travel route. The system further selects one of the second data groups based on third and fourth target points selected from the second target points. The third target point is a next forward target point for the vehicle and the fourth target point is one of the adjoining target points of the third target point and positioned forward of the third target point. The third target point is used as the target point and the fourth target point is used as the adjoining target point for identifying the one of the second data groups. The system displays the corresponding travel information along with the abstract configuration of the third target point before the vehicle reaches the third target point.
    • 用于机动车辆的导航系统包括地图数据存储单元。 存储单元从第一目标点存储针对第一目标点预先选择的第一已知目标点和相邻的目标点。 存储单元还存储与第一目标点中的每一个相关联的第一数据组。 每个第一数据组包括对应于相应的第一目标点的相邻目标点中的每一个的第二数据组。 每个第二数据组包括对应的第一目标点的抽象配置和在相应的第一目标点处所需的去往相应的相邻目标点的旅行信息。 系统从第一目标点选择第二目标点以定义车辆行驶路线。 该系统还基于从第二目标点选择的第三和第四目标点来选择第二数据组中的一个。 第三目标点是车辆的下一个前向目标点,第四目标点是第三目标点的相邻目标点之一并且位于第三目标点的前方。 将第三目标点用作目标点,并且将第四目标点用作用于识别第二数据组中的一个的相邻目标点。 在车辆到达第三目标点之前,系统显示相应的旅行信息以及第三目标点的抽象配置。