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    • 2. 发明专利
    • Position detection system
    • 位置检测系统
    • JP2008286737A
    • 2008-11-27
    • JP2007134064
    • 2007-05-21
    • Hitachi Ltd株式会社日立製作所
    • UNUMA MUNETOSHIAKITOMO KATSUFUMI
    • G01C21/00G01S19/22G01S19/48
    • PROBLEM TO BE SOLVED: To output, as a position detection result, a detection output of an absolute position detection device of the highest accuracy by evaluating each accuracy of a plurality of absolute position detection devices.
      SOLUTION: This system is equipped with a plurality of kinds of absolute position detection devices 8 for receiving a plurality of signals radiated from known positions respectively to detect an absolute position of oneself, a relative position detection device 7 for detecting the amount of movement of the self within a predetermined duration as a change in relative position of the self, a degree-of-similarity calculation section 14 for computing, for each of the various kinds of absolute position detection devices, the degree of similarity between the locus of a change in the relative position in the predetermined duration and the change in the absolute position detected by the absolute position detection device within the predetermined duration, and an output switchover section 15 for selecting and outputting the output of an absolute position detection device having the maximum similarity from among the plurality of kinds of absolute position detection devices.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过评估多个绝对位置检测装置的每个精度,作为位置检测结果输出具有最高精度的绝对位置检测装置的检测输出。 解决方案:该系统配备有多种绝对位置检测装置8,用于分别接收从已知位置辐射的多个信号以检测自身的绝对位置;相对位置检测装置7,用于检测自身的绝对位置; 自身在预定持续时间内的移动作为自身的相对位置的变化,用于计算针对各种绝对位置检测装置的各种绝对位置检测装置的相似度计算部14, 预定持续时间内的绝对位置检测装置检测到的预定持续时间的相对位置的变化和绝对位置的变化,以及输出切换部15,用于选择并输出具有最大值的绝对位置检测装置的输出 多种绝对位置检测装置之间的相似度。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Route creating device and method
    • 路由创建设备和方法
    • JP2007155568A
    • 2007-06-21
    • JP2005352827
    • 2005-12-07
    • Hitachi Ltd株式会社日立製作所
    • INOUE HIDEKIUNUMA MUNETOSHISHOJIMA HIROSHI
    • G01C21/00
    • PROBLEM TO BE SOLVED: To provide a route creating device and method capable of creating a route from a start point to an end point according to the characteristic of an obstacle.
      SOLUTION: First, a route is created by a means capable of guaranteeing arrival capability at the end point from the start point, and then the route is deformed using a boundary condition according to the characteristic of the obstacle. The route according to the characteristic of the obstacle can be created while securing the arrival capability at the end point from the start point.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够根据障碍物的特性创建从起始点到终点的路线的路线制作装置和方法。 解决方案:首先,通过能够从始点到终点保证到达能力的装置创建路线,然后使用根据障碍物的特征的边界条件来变形路线。 可以在从始点保持到达终点的到达能力的同时创建根据障碍物的特征的路线。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Communication-type navigation device
    • 通信型导航装置
    • JP2005214630A
    • 2005-08-11
    • JP2004017765
    • 2004-01-27
    • Hitachi Ltd株式会社日立製作所
    • NAKAHARA TAKASHIMATSUO SHIGERUOKUDE MARIKOUNUMA MUNETOSHIKURATA KENICHIRO
    • G09B29/00G01C21/00G01C21/26G01C21/36G08G1/137G09B29/10H04W4/02H04Q7/34H04Q7/38
    • PROBLEM TO BE SOLVED: To facilitate the comprehension of information necessary for course guidance even by a small screen of a portable information terminal when performing course guidance by using the information terminal mounted on a movable body as to a communication-type navigation device.
      SOLUTION: In course guidance, a plurality of image planes such as own vehicle's peripheral map, an enlarged intersection view, and a guidance direction arrow, necessary for guidance and different in displayed information amount, are displayed on a display screen of the portable information terminal as they are changed over in keeping with the movement of the movable body. The setting of a display level as to guidance information is performed at the information terminal for determining which is to be displayed of the plurality of kinds of image planes. The information terminal receives an operation input for changing over displays on a plurality of kinds of guidance information to put together information transmitted from an information center to the information terminal according to the display level.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:即使通过使用安装在可移动体上的信息终端来执行课程指导,即使通过便携式信息终端的小屏幕,为了便于理解对于课程指导所必需的信息,关于通信型导航装置 。

      解决方案:在课程指导中,在引导和显示的信息量不同所需的多个图像平面如本车辆的周边地图,放大的十字路口视图和引导方向箭头都显示在 便携式信息终端随着可移动体的移动而改变。 在信息终端处执行关于引导信息的显示级别的设置,以确定要显示多种图像平面的哪一个。 信息终端接收用于在多种引导信息上显示的切换的操作输入,以根据显示级别将从信息中心发送的信息放入信息终端。 版权所有(C)2005,JPO&NCIPI

    • 8. 发明专利
    • Position detection method
    • 位置检测方法
    • JP2008170278A
    • 2008-07-24
    • JP2007003840
    • 2007-01-11
    • Hitachi Ltd株式会社日立製作所
    • UNUMA MUNETOSHIOTSU FUMITAKA
    • G01C21/00G01S19/49G08G1/0969
    • PROBLEM TO BE SOLVED: To provide a position detection method capable of determining and maintaining with high accuracy the position of a relative position detection device with few kinds of parameters, when fitting a moving locus by the relative position detecting device to a moving locus by an absolute position detecting device.
      SOLUTION: In this position detecting method for detecting a position, by using jointly an output value from the relative position detection device and an output value from the absolute position detecting device, a rotation angle and a moving quantity for fitting the moving locus determined by the relative position detecting device to the moving locus by the absolute position detecting device are determined; the newest position of the relative position detecting device is corrected by the rotation angle and the moving quantity; detection of a new moving locus is started from a corrected position; and correction of an output value from the relative position detecting device is continued by the rotation angle and the moving quantity, until new position information usable for the absolute position detecting device is acquired. The position of the relative position detecting device can be corrected, by using the moving locus in a high-accuracy section of the absolute position detecting device.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种位置检测方法,当通过相对位置检测装置将移动轨迹装配到移动状态时,能够以几种参数确定并保持具有几种参数的相对位置检测装置的位置, 轨迹由绝对位置检测装置。 解决方案:在用于检测位置的位置检测方法中,通过共同地使用来自相对位置检测装置的输出值和来自绝对位置检测装置的输出值,旋转角度和移动量来适配移动轨迹 由绝对位置检测装置由相对位置检测装置确定为移动轨迹; 通过旋转角度和移动量校正相对位置检测装置的最新位置; 从校正位置开始检测新的移动轨迹; 并且通过旋转角度和移动量继续来自相对位置检测装置的输出值的校正,直到获得可用于绝对位置检测装置的新位置信息。 可以通过使用绝对位置检测装置的高精度部分中的移动轨迹来校正相对位置检测装置的位置。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Method and device for detecting position of object
    • 用于检测物体位置的方法和装置
    • JP2009156721A
    • 2009-07-16
    • JP2007335511
    • 2007-12-27
    • Hitachi Ltd株式会社日立製作所
    • UNUMA MUNETOSHI
    • G01C21/00G08G1/005
    • PROBLEM TO BE SOLVED: To determine an accurate advancing direction even when an advancement direction of a person having a device attached thereto and an orientation of a place where the device is attached to the person are not matched with each other.
      SOLUTION: An orientation of the device is detected by using an output of an orientation sensor. An advancement direction on a device coordinate system is estimated in accordance with time series change in acceleration with walking of a user by using acceleration data of an acceleration sensor. With the above, the advancement direction of the user having the device attached thereto with respect to an absolute orientation is computed.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:即使当具有附接装置的人的前进方向和装置附接到人的地方的取向彼此不匹配时,也可以确定精确的前进方向。

      解决方案:使用方向传感器的输出来检测设备的方向。 根据加速度的时间序列变化,通过使用加速度传感器的加速度数据来估计用户的行走时的装置坐标系的前进方向。 利用上述方式,计算出具有相对于绝对取向连接有该装置的用户的推进方向。 版权所有(C)2009,JPO&INPIT