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    • 5. 发明授权
    • Road map management system
    • 路线图管理系统
    • US07627414B2
    • 2009-12-01
    • US11493903
    • 2006-07-27
    • Masayuki GotoShinichi Yamada
    • Masayuki GotoShinichi Yamada
    • B60T8/23G01C21/32G01S13/00
    • G01C21/32G08G1/0969G09B29/00
    • A road map management system is provided as follows: drawing a past-direction distribution map (Image A) and a future-direction distribution map (Image B) using multiple vehicles' traveling position data collected via a wide area network during a past-direction data collection period and a future-direction data collection period, respectively; comparing the two distribution maps to extract a differential distribution; defining under a predetermined condition as a recently opened or closed road the differential distribution, which is absent from Image A and present in Image B, or present in Image A and absent from Image B, respectively; and reflecting the defined results on the existing road map data to update.
    • 如下提供路线图管理系统:使用在过去方向上经由广域网收集的多个车辆的行驶位置数据绘制过去方向分布图(图像A)和未来方向分布图(图像B) 数据收集期和未来方向数据收集期间; 比较两个分布图以提取差分分布; 在预定条件下作为最近打开或闭合的道路分别在图像A中不存在并且存在于图像B中,或者存在于图像A中且不存在于图像B中的差分分布; 并反映现有路线图数据上定义的结果进行更新。
    • 7. 发明申请
    • Road map management system
    • 路线图管理系统
    • US20070032946A1
    • 2007-02-08
    • US11493903
    • 2006-07-27
    • Masayuki GotoShinichi Yamada
    • Masayuki GotoShinichi Yamada
    • G01C21/32
    • G01C21/32G08G1/0969G09B29/00
    • A road map management system is provided as follows: drawing a past-direction distribution map (Image A) and a future-direction distribution map (Image B) using multiple vehicles' traveling position data collected via a wide area network during a past-direction data collection period and a future-direction data collection period, respectively; comparing the two distribution maps to extract a differential distribution; defining under a predetermined condition as a recently opened or closed road the differential distribution, which is absent from Image A and present in Image B, or present in Image A and absent from Image B, respectively; and reflecting the defined results on the existing road map data to update.
    • 如下提供路线图管理系统:使用在过去方向上经由广域网收集的多个车辆的行驶位置数据绘制过去方向分布图(图像A)和未来方向分布图(图像B) 数据收集期和未来方向数据收集期间; 比较两个分布图以提取差分分布; 在预定条件下作为最近打开或闭合的道路分别在图像A中不存在并且存在于图像B中,或者存在于图像A中且不存在于图像B中的差分分布; 并反映现有路线图数据上定义的结果进行更新。
    • 8. 发明授权
    • Corrosion monitoring system using a metal pipe for transmission of
monitoring signals
    • 腐蚀监测系统采用金属管道传输监测信号
    • US4400782A
    • 1983-08-23
    • US238107
    • 1981-02-25
    • Masashi IshikawaMasatoshi ShimadaKatsutomo OkamotoShigeyoshi SugitaMasayuki GotoYukuo KoizumiOsamu Kaneda
    • Masashi IshikawaMasatoshi ShimadaKatsutomo OkamotoShigeyoshi SugitaMasayuki GotoYukuo KoizumiOsamu Kaneda
    • C23F13/00C23F13/04G01V3/00G01R31/02
    • C23F13/04
    • In a monitoring system for protecting a metal pipe against corrosion, transmission of monitoring signals is carried out by the use of the pipe itself as a transmission line between a center station and a substation, which are coupled to the pipe at center and subordinate locations, respectively. The substation sends data signals over the pipe to the center station. These data signals represent the degree of corrosion that is measured at the subordinate location and are monitored by the center station. When a plurality of substations are coupled to the pipe, the center station selects a substation by transmitting through the pipe an address assigned to the substation. Each substation returns the assigned address to the center station in combination with the signals representing the measured degree of corrosion at the addressed substation. Preferably, the center station produces the selected address twice while each substation produces the assigned address and the measured corrosion signal, twice. Alternatively, the center station supplies a control signal in combination with the selected address, from the center station to remotely control each substation. A repeater may be interposed between the center station and the substation.
    • 在用于保护金属管道免受腐蚀的监控系统中,通过使用管道本身作为中心站和变电站之间的传输线来执行监控信号的传输,中心站和变电站在中心和下属位置处耦合到管道, 分别。 变电站通过管道向中心站发送数据信号。 这些数据信号表示在下属位置测量并由中心站监测的腐蚀程度。 当多个变电站耦合到管道时,中心站通过管道发送分配给变电站的地址来选择变电站。 每个变电站将分配的地址与表示所寻址变电站的测得的腐蚀程度的信号相结合地返回给中心站。 优选地,中心站产生所选择的地址两次,而每个变电站产生两次分配的地址和测量的腐蚀信号。 或者,中心站从中心站提供与所选地址组合的控制信号,以远程控制每个变电站。 在中心站和变电站之间可设置中继器。