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    • 2. 发明授权
    • Course guidance system with speeded-up display function
    • 课程指导系统具有加速显示功能
    • US4532514A
    • 1985-07-30
    • US407999
    • 1982-08-13
    • Itaru HatanoKenji TakahashiShigeru HirosawaMikio KandaShinichiro YasuiAkira IchikawaTeruo MimoriToshio SasakiTadashi MukaiThuneo Takahashi
    • Itaru HatanoKenji TakahashiShigeru HirosawaMikio KandaShinichiro YasuiAkira IchikawaTeruo MimoriToshio SasakiTadashi MukaiThuneo Takahashi
    • G01C21/00G01C21/36G01D7/00G05D1/02G08G1/0969G08G1/137G09B29/10G08G1/12
    • G01C21/367G08G1/0969G08G1/137G09B29/106
    • A course guidance system includes a direction sensor and a speed sensor both fitted to a moving body, a display mounted in the moving body and a map displayed in a manner corresponding to the display surface of the display and in which the present position of the moving body is derived by the direction sensor and the speed sensor and is plotted on the display in a manner corresponding to the map. The improvement comprises a locus memory for sequentially storing an X component value and a Y component value of the driving position based on a predetermined driving distance obtained from the speed sensor and on the driving position obtained from the direction sensor, a locus display memory for storing data in a manner corresponding to the display surface of the display, the data being obtained by reading the contents of the locus memory in a manner corresponding to the scale of reduction of the map, and a display for plotting the driving locus of the moving body on the display surface based on the contents of the locus display memory, wherein the data to be read when the contents of the locus memory is transferred to the locus display memory are divided into a plurality of groups each consisting of a data line to be read at a predetermined interval which are sequentially read and transferred, and the plotted line of the driving locus to be displayed is displayed sequentially and progressively from a rough display to a dense display.
    • 课程引导系统包括方向传感器和安装在移动体上的速度传感器,安装在移动体中的显示器和以与显示器的显示表面对应的方式显示的地图,并且其中移动的当前位置 身体由方向传感器和速度传感器导出,并以对应于地图的方式绘制在显示器上。 该改进包括轨迹存储器,用于基于从速度传感器获得的预定行驶距离和从方向传感器获得的驾驶位置顺序地存储驾驶位置的X分量值和Y分量值,轨迹显示存储器,用于存储 以对应于显示器的显示表面的方式的数据,通过以与地图的缩小比例相对应的方式读取轨迹存储器的内容而获得的数据,以及用于绘制移动体的驾驶轨迹的显示 基于轨迹显示存储器的内容,显示表面上的轨迹存储器的内容被传送到轨迹显示存储器时要读取的数据被划分为多个组,每组由要读取的数据线组成 按顺序读取和传送的预定间隔,顺序地显示要显示的驾驶轨迹的绘制线 从粗略显示到密集显示。
    • 3. 发明授权
    • Vehicle location display device with averaging means for correcting
location information
    • 具有用于校正位置信息的平均装置的车辆位置显示装置
    • US4673878A
    • 1987-06-16
    • US824309
    • 1986-01-30
    • Noburu TsushimaMasashi FuseTeruo MimoriToshio SasakiTadashi Mukai
    • Noburu TsushimaMasashi FuseTeruo MimoriToshio SasakiTadashi Mukai
    • G01C21/00G01C17/28G05D1/02G01R33/00
    • G01C17/28
    • A current location updating display for indicating the current location of moving members such as an automobile while updating from time to time based on output from a magnetic azimuth sensor adapted to detect the azimuth of terrestrial magnetism. Output signals from the magnetic azimuth sensor are stored in a data memory after A/D conversion and correction, and a predetermined amount of data read out from the data memory is subject to the averaging processing. With this, plural angle information (sin .theta. and cos .theta.) signals or plural angle (.theta.) signals are averaged out including a signal corresponding to disturbance magnetism. Thus average data signals are integrated by an integrator and then sent to a display portion. Through the averaging processing an azimuthal error is restrained as small as possible, so that the current location or running path of the moving member may be indicated correctly.
    • 当前的位置更新显示,用于指示诸如汽车之类的移动部件的当前位置,同时根据适于检测地磁方位的磁方位传感器的输出不时地更新。 来自磁方位传感器的输出信号在A / D转换和校正之后被存储在数据存储器中,并且从数据存储器读出的预定数量的数据进行平均处理。 由此,多个角度信息(sinθ和cosθ)信号或多个角度(θ)信号被平均化,包括对应于扰动磁场的信号。 因此,平均数据信号由积分器积分,然后发送到显示部分。 通过平均处理,将方位角误差抑制得尽可能小,使得可以正确地指示移动构件的当前位置或运行路径。