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    • 1. 发明授权
    • Apparatus for visually indicating a current travel route of a vehicle
    • 用于可视地指示车辆的当前行驶路线的装置
    • US4484284A
    • 1984-11-20
    • US298629
    • 1981-09-02
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao SugimuraFumitaka Takahashi
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao SugimuraFumitaka Takahashi
    • G01C21/00G01C19/00G01C21/26G01P1/00G08G1/133G09B29/10G09G3/00G09G3/20G06F15/50
    • G09B29/106G01C21/26G01P1/006
    • A visual travel route indicating apparatus for use in an automotive vehicle. The apparatus comprises a distance sensor for detecting a current distance of travel of the vehicle, a gas rate sensor for detecting a current azimuthal deviation generated during travel of the vehicle, a closed thermostatic chamber for hermetically enclosing the gas rate sensor such that it is isolated from external temperature fluctuations, and a signal processing unit for arithmetically obtaining a current location or point plotted on two-dimensional coordinates per a given unit travel distance from the outputs of the two sensors. A travel path store is provided for storing the thus-obtained data so as to be read out subsequently for a continuous visual indication of a current path of travel or locus of the vehicle on a display unit for visually indicating a continuous path of travel of the vehicle. A manual operating unit is provided for setting and modifying the visual indication pattern to be displayed on the display unit. The closed thermostatic chamber is positively heated to a desired constant temperature level by a suitable heater so that the gas rate sensor may be protected from a possible temperature fluctuation in the external environment.
    • 一种用于机动车辆的视觉旅行路线指示装置。 该装置包括用于检测车辆的当前行驶距离的距离传感器,用于检测在车辆行驶期间产生的当前方位偏差的气体速率传感器,用于气密地封闭气体速率传感器以使其隔离的封闭恒温室 来自外部温度波动的信号处理单元,以及用于从两个传感器的输出给出的单位行进距离中的二维坐标上绘制当前位置或点的算术获取信号处理单元。 提供行进路径存储器,用于存储由此获得的数据,以便随后在显示单元上随时读出当前行驶路线或车辆轨迹的连续可视指示,用于可视地指示连续行驶路线 车辆。 提供了用于设置和修改要在显示单元上显示的可视指示图案的手动操作单元。 封闭的恒温室通过合适的加热器被正确加热到所需的恒定温度水平,从而可以保护气体速率传感器免受外部环境中可能的温度波动。
    • 2. 发明授权
    • Fixed range indicating system for use in a vehicle travel path
indicating apparatus
    • 用于车辆行驶路径指示装置的固定范围指示系统
    • US4663629A
    • 1987-05-05
    • US621481
    • 1984-06-18
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao Sugimura
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao Sugimura
    • G01C21/00G01C21/36G08G1/133G06F15/50
    • G01C21/367
    • A fixed range indicating system is provided for the vehicle travel path indicating apparatus. The vehicle travel path indicating apparatus includes a locational data source having a pulse generator and producing vehicle locational data, memories for successively storing the vehicle locational data, a data reader for reading the travel path data from the memories, and a display unit for displaying a travel path of the vehicle on a display screen based on the travel path data read out by the data reader. The fixed range indicating system in such apparatus comprises a pulse counter for counting the pulses from the pulse generator, a data extractor for extracting a fraction of the locational data each time the travel distance is increased by a predetermined distance and for delivering the extracted data fraction as stored locational data to the memories to form stored travel path data, and a data restoring circuit for preparing restored travel path data based on the stored travel path data read out by the data reader from the memories and the locational data issued from the locational data source, the display means displaying the travel path of the vehicle on the display screen based on the restored travel path data.
    • 为车辆行驶路径指示装置提供固定范围指示系统。 车辆行驶路径指示装置包括具有脉冲发生器并产生车辆位置数据的位置数据源,用于连续存储车辆位置数据的存储器,用于从存储器读取行驶路径数据的数据读取器,以及用于显示车辆位置数据的显示单元 基于由数据读取器读出的行进路径数据,车辆在显示屏幕上的行驶路径。 这种装置中的固定范围指示系统包括用于对来自脉冲发生器的脉冲进行计数的脉冲计数器,用于每当行进距离增加预定距离时提取位置数据的一部分的数据提取器,以及用于递送所提取的数据部分 作为存储的位置数据存储到存储器中以形成存储的行驶路径数据,以及数据恢复电路,用于根据从数据读取器从存储器读出的存储的行进路径数据和从位置数据发出的位置数据来准备恢复的行驶路径数据 源,显示装置基于恢复的行进路径数据在显示屏幕上显示车辆的行进路径。
    • 3. 发明授权
    • Fixed range indicating system for use in a vehicle travel path
indicating apparatus
    • 用于车辆行驶路径指示装置的固定范围指示系统
    • US4535335A
    • 1985-08-13
    • US637342
    • 1984-08-03
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao Sugimura
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao Sugimura
    • G01C21/00G01C21/36G08G1/133G06F15/50
    • G01C21/367
    • An improved fixed range or distance indicating system for use in a visual travel route indicating apparatus of a vehicle. The fixed range indicating system minimizes memory capacity by discretely storing locational data obtained from discrete arithmetical calculation made at a suitable predetermined interval to present relatively short vector segments optimized in accordance with the given scale of indication on the display and at the same time provides a relatively high accuracy in approximating a current locational indication of the vehicle. A plurality of basic scales of indication varying with doubled denominators in accordance with a given variety of basic scales of indication are presented, the locational data are picked-up discretely at a rate corresponding to the plurality of basic scales of indication, and the thus picked-up locational data is stored into prescribed memory tables within a given limit of indication by way of an endless store mode. The current indicated path of travel on the display is erased at the interval of a fixed range travelled by the vehicle corresponding to the basic scales of indication, and refreshed points of indication are determined for a new location of the vehicle in accordance with a given scale of indication from the current points of indication for the current location at the time of erasing on the basis of the locational data read out from the memory table.
    • 一种用于车辆的视觉行驶路线指示装置的改进的固定范围或距离指示系统。 固定范围指示系统通过离散地存储从适当的预定间隔进行的离散算术计算获得的位置数据来最小化存储器容量,以呈现根据在显示器上的给定指示比例优化的相对短的矢量段,并且同时提供相对 逼近车辆的当前位置指示的高精度。 呈现了根据给定的各种基本指标变化的多个指示符号的多个基本尺度,该位置数据以与多个基本指标尺度对应的速率离散地拾取,并且由此被选择 位置数据通过无限存储模式存储在给定的指示限制内的规定存储表中。 当前指示的显示路径以对应于指示的基本尺度的车辆行驶的固定范围的间隔被擦除,并且根据给定的比例为车辆的新位置确定刷新的指示点 根据从存储器表读出的位置数据,从擦除时的当前位置的当前指示点指示。
    • 5. 发明授权
    • Apparatus for visually indicating a current travel route of a vehicle
    • 用于可视地指示车辆的当前行驶路线的装置
    • US4494116A
    • 1985-01-15
    • US298633
    • 1981-09-02
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao SugimuraFumitaka Takahashi
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao SugimuraFumitaka Takahashi
    • G01C21/26G08G1/12G01P15/00
    • G01C21/26
    • A visual travel route indicating apparatus, for use in an automotive vehicle or the like, including a distance sensor for detecting a current distance of travel of the vehicle, a gas rate sensor for detecting a current azimuthal deviation generated by the vehicle during a turning motion, a thermostatic control chamber for enclosing the gas rate sensor hermetically from external temperature fluctuations, and a signal processing unit for arithmetically obtaining a current location plotted on two-dimensional coordinates per a given unit travel distance of the vehicle from the outputs of the two sensors and storing the thus-obtained location data in sequence so as to be read out subsequently for a continuous visual indication of a current locus of the vehicle on a display. The power supply to the thermostatic control chamber is optimally controlled in conjunction with the on/off state of the ignition switch of the vehicle. The visual indication of a current travel route of the vehicle is inhibited until the atmospheric temperature of the thermostatic chamber reaches a desired constant level, whereupon the offset adjustment of the gas rate sensor output is automatically normalized so as to present a precise visual indication of the vehicle's travel route on the display. Further, the occurrence of an abnormal temperature within the atmosphere of the thermostatic control chamber is detected so as to provide a warning to a driver of the vehicle.
    • 一种用于机动车辆等的视觉旅行路线指示装置,包括用于检测车辆的当前行驶距离的距离传感器,用于检测车辆在转弯运动期间产生的当前方位偏差的气体速率传感器 ,用于将气体速率传感器气密地封闭于外部温度波动的恒温控制室,以及信号处理单元,用于根据两个传感器的输出的每个给定的单位行进距离在二维坐标上绘制二维坐标上的当前位置 并且依次存储由此获得的位置数据,以便随后读出显示器上车辆的当前轨迹的连续视觉指示。 结合车辆点火开关的开/关状态,对恒温控制室的电源进行最佳控制。 车辆的当前行驶路线的视觉指示被禁止,直到恒温室的大气温度达到期望的恒定水平,于是气体速率传感器输出的偏移调整被自动归一化,以便呈现精确的视觉指示 车辆的路线在显示屏上。 此外,检测在恒温控制室的气氛中发生异常温度,以向车辆的驾驶员提供警告。
    • 7. 发明授权
    • Apparatus for visually indicating the travel route of an automotive
vehicle
    • 用于可视地指示机动车辆的行驶路线的装置
    • US4535334A
    • 1985-08-13
    • US384919
    • 1982-06-04
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiAkira Ichikawa
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiAkira Ichikawa
    • G01C21/00G01C21/26G05D1/02G08G1/133G09B29/10G09G3/00G09G3/20G08G1/12G08B1/00
    • G01C21/26G09B29/106
    • A travel route indicating apparatus for use in an automotive vehicle, wherein a current travel route of the automotive vehicle in terms of two-dimensional coordinates may be obtained arithmetically by means of signal processing on the basis of the outputs from a travel distance detecting unit adapted to detect a current travel distance of the vehicle, and from a bearing detecting unit adapted to detect a resultant azimuth taken by the vehicle after travelling to a current point of travel, so that the thus obtained locational data on the location of the vehicle varying from time to time may be stored in sequence, and so that the travel path of the vehicle may be continuously visually indicated, as the vehicle travels, on the screen of a display from the thus-obtained travel data leading to the resulting current location of the vehicle. The apparatus comprises, in operative combination, a power supply control circuit adapted to detect the opening status of an ignition key switch and then output a power conducting command for a predetermined period of time and a power supply circuit adapted to self-hold the power conducting status to the signal processing unit upon the receipt of the command when the ignition key switch is opened, while holding the thus-stored data in the signal processing unit for a predetermined period of time even after the ignition key switch is opened.
    • 一种用于机动车辆的行驶路线指示装置,其中可以通过基于来自行驶距离检测单元的输出的信号处理,以二维坐标的方式获得机动车辆的当前行驶路线 检测车辆的当前行驶距离,以及从行驶到当前行驶点后检测车辆所得到的方位角的轴承检测单元,从而获得的车辆位置的位置数据从 可以按顺序存储时间,并且使得车辆的行进路径可以随着车辆行进而在显示器的屏幕上从由此获得的旅行数据连续地被视觉地指示,从而导致所得到的当前位置 车辆。 该装置包括操作组合的电源控制电路,其适于检测点火钥匙开关的打开状态,然后在预定时间段内输出电力传导命令,以及适于自动保持电力传导的电源电路 当点火钥匙开关打开时接收到命令,同时即使在点火钥匙开关打开之后将这样存储的数据保持在信号处理单元中一段预定的时间段内,也可以向信号处理单元提供状态。
    • 8. 发明授权
    • Method of adjusting the zero-point of rate type sensor
    • 调整速率型传感器零点的方法
    • US4470124A
    • 1984-09-04
    • US384011
    • 1982-06-01
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiAkira IchikawaYasuzi KitaseiAkira Hidaka
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiAkira IchikawaYasuzi KitaseiAkira Hidaka
    • B60G17/019G01C25/00G01D3/06G07C5/08G01L25/00G06F15/50
    • G01C25/00B60G17/01908G01D3/06G07C5/0825
    • A method of zero-level adjustment of a rate sensor wherein the zero-level adjustment in the detection of yawing rate is obtained by subtracting a quantity of drift of an output from the rate sensor during the period of time that the vehicle is stopped or standing still from a subsequent output therefrom in the normal travelling operation of the vehicle. The current state of the vehicle, i.e., whether it is travelling or standing still, is detected by a travel distance sensing device which generates electric pulse signals for a given unit distance travelled by the vehicle; and the sampled outputs from the rate sensor are averaged for the period from immediately after the detection of a standing still state of the vehicle to the moment just before a starting of travel thereof. The thus-obtained averaged value is determined as a current drifting value of the sensor and is subtracted from a current angle of deviation value obtained during normal travel of the vehicle. A substantial improvement in accuracy of zero-level adjustment is thereby attained.
    • 一种速率传感器的零电平调整方法,其中偏航速度检测中的零电平调整是通过在车辆停止或站立的时段期间减去速率传感器的输出的漂移量而获得的 在车辆的正常行驶操作中仍然来自其随后的输出。 由行驶距离感测装置检测车辆的当前状态,即行驶状态还是静止状态,该行驶距离感测装置产生车辆行驶的给定单位距离的电脉冲信号; 并且速率传感器的采样输出在从车辆静止状态的检测之后到其行驶开始之前的时刻的平均值。 由此获得的平均值被确定为传感器的电流漂移值,并且从在车辆的正常行驶期间获得的当前偏差值减去。 由此可以实现零电平调整精度的显着提高。
    • 9. 发明授权
    • Apparatus for visually indicating the current location of an automotive
vehicle
    • 用于可视地指示机动车辆的当前位置的装置
    • US4524357A
    • 1985-06-18
    • US408285
    • 1982-08-16
    • Yukinobu NakamuraKatsutoshi TagamiTsuneo Takahashi
    • Yukinobu NakamuraKatsutoshi TagamiTsuneo Takahashi
    • G09B29/10G01C21/00G01C21/28G01C25/00G08G1/12
    • G01C25/00G01C21/28
    • A current location indicating apparatus for use in an automotive vehicle wherein a current location of the vehicle is arithmetically obtained in terms of two-dimensional coordinates by a signal processing unit on the basis of the outputs from a travel distance detecting unit and a bearing detecting unit, and the current location of the vehicle is visually indicated on the screen of a display unit from the thus-obtained data in connection with the current location of the vehicle. The apparatus comprises a first bearing detecting unit comprising a rate type gyroscope as a main unit, and a second detecting unit comprising an earth magnetism sensor. The signal processing unit is adapted to monitor the outputs from the first and second bearing detecting means in comparison with each other to determine whether or not the first bearing detecting unit is under the influence of any disturbances, whereby the output of the first bearing detecting unit can be corrected so as to be free from any substantial disturbances during operation.
    • 一种用于机动车辆的当前位置指示装置,其中,根据来自行驶距离检测单元和轴承检测单元的输出,通过信号处理单元以二维坐标算术地获得车辆的当前位置 并且根据由此得到的与车辆的当前位置相关的数据在显示单元的屏幕上视觉地指示车辆的当前位置。 该装置包括:第一轴承检测单元,其包括作为主单元的速率型陀螺仪,以及包括地磁传感器的第二检测单元。 信号处理单元适于相对于第一和第二轴承检测装置的输出进行监视,以确定第一轴承检测单元是否受到任何干扰的影响,由此第一轴承检测单元的输出 可以被校正,以便在操作期间没有任何实质的干扰。
    • 10. 发明授权
    • Apparatus for visually indicating the current location of an automotive
vehicle
    • 用于可视地指示机动车辆的当前位置的装置
    • US4521777A
    • 1985-06-04
    • US408274
    • 1982-08-16
    • Yukinobu NakamuraKatsutoshi TagamiTsuneo Takahashi
    • Yukinobu NakamuraKatsutoshi TagamiTsuneo Takahashi
    • G09B29/10G01C17/28G01C17/38G01C21/00G01C21/28G08G1/12
    • G01C21/28
    • A current location indicating apparatus for use in an automotive vehicle wherein a current location of the automotive vehicle is arithmetically obtained in terms of two-dimensional coordinates by a signal processing unit on the basis of the outputs from a travel distance detecting unit and a bearing detecting unit, and the current location of the vehicle is visually indicated on the screen of a display from the thus-obtained data in connection with the current location thereof. The apparatus comprises, in operative combination, a first bearing detecting unit employing an earth magnetism sensor as a primary component, a second auxiliary detecting unit employing a rate type gyroscope or the like, and a signal processing unit adapted to monitor the output from the first bearing detecting unit in comparison with the operating state of the second auxiliary bearing detecting unit to determine whether or not the earth magnetism sensor of the first bearing detecting unit is under the influence of any external disturbances for a short period so that the output of the first bearing detecting means can be corrected accordingly.
    • 一种用于机动车辆的当前位置指示装置,其中基于来自行驶距离检测单元的输出和轴承检测信号处理单元在二维坐标方面根据二维坐标算术地获得机动车辆的当前位置 并且根据由此获得的数据结合其当前位置在显示器的屏幕上可视地指示车辆的当前位置。 该装置以操作组合的方式包括使用地磁传感器作为主要部件的第一轴承检测单元,采用速率型陀螺仪等的第二辅助检测单元,以及适于监视来自第一 轴承检测单元与第二辅助轴承检测单元的运行状态相比,以确定第一轴承检测单元的接地磁传感器是否受到短时间内的任何外部干扰的影响,使得第一轴承检测单元的输出 可以相应地校正轴承检测装置。