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    • 1. 发明授权
    • Method and apparatus for detecting penetrant metal and measuring
thickness of refractory lining
    • 检测渗透金属和测量耐火衬里厚度的方法和装置
    • US5523685A
    • 1996-06-04
    • US14571
    • 1993-02-08
    • Kiyoto KasaiAkio IshiiKeisuke AsanoShiro Sukenari
    • Kiyoto KasaiAkio IshiiKeisuke AsanoShiro Sukenari
    • B22D35/04F27D21/00G01B7/287G01B7/06G01R33/12
    • G01B7/287B22D35/04F27D21/0021
    • The present invention is a measuring method for detecting penetrant metal intruded in refractories having a conductive cover at a first wall and a nonconductive surface at a second wall and for measuring their thickness. At least one sensor head is used including a metal sensor with a first and second conductive coil for measuring distance between the sensor head and a conductive substance and a distance sensor for measuring distance between the sensor head and the refractories. The sensor head is disposed at a plurality of fixed positions close to the second wall to face the refractories and an alternating current is applied to the first coil to generate an eddy current in the conductive substance which faces the metal sensor. An induced voltage induced in the second coil by at least the eddy current is detected and a first distance is obtained between the sensor head and the conductive substance based on the detected induced voltage. The distance sensor measures a second distance between the sensor head and the second side wall at fixed positions and a third distance is obtained between the second side wall and the conductive substance. Also information is obtained about a relative position of the sensor head with respect to the molten metal vessel. A location and dimension of the penetrant metal and a thickness profile of the refractories is calculated based on the first, second and third distances and the relative position of the sensor head.
    • 本发明是用于检测侵入耐火材料的渗透金属的测量方法,该耐火材料在第一壁处具有导电盖,在第二壁处具有非导电表面并用于测量其厚度。 使用至少一个传感器头,包括具有用于测量传感器头和导电物质之间的距离的第一和第二导电线圈的金属传感器和用于测量传感器头和耐火材料之间的距离的距离传感器。 传感器头设置在靠近第二壁的多个固定位置以面对耐火材料,并且交流电被施加到第一线圈,以在与金属传感器相对的导电物质中产生涡流。 检测到在第二线圈中感应出的感应电压至少为涡电流,并且基于检测到的感应电压在传感器头和导电物质之间获得第一距离。 距离传感器在固定位置处测量传感器头和第二侧壁之间的第二距离,并且在第二侧壁和导电物质之间获得第三距离。 还获得关于传感器头相对于熔融金属容器的相对位置的信息。 基于第一,第二和第三距离以及传感器头的相对位置来计算渗透剂金属的位置和尺寸以及耐火材料的厚度轮廓。
    • 8. 发明申请
    • Display Device and Illumination Control Method
    • 显示设备和照明控制方法
    • US20120038689A1
    • 2012-02-16
    • US13280118
    • 2011-10-24
    • Akio Ishii
    • Akio Ishii
    • G09G5/10
    • H04N5/63
    • According to an aspect of the present invention, there is provided a display device including: a video display unit; a housing configured to accommodate the video display unit; an illumination device provided in the housing; a power indicator provided on the housing and having a first state and a second state, the first state indicating that a power status is OFF, the second state indicating that the power status is ON; and an illumination controller configured to control the illumination device to be turned ON at a different timing shifted from a timing when the power indicator is transitioned from the first state to the second state, when the power status is transitioned from OFF to ON.
    • 根据本发明的一个方面,提供了一种显示装置,包括:视频显示单元; 壳体,被配置为容纳所述视频显示单元; 设置在所述壳体中的照明装置; 设置在壳体上并具有第一状态和第二状态的电源指示器,指示电源状态为OFF的第一状态,指示电源状态为ON的第二状态; 以及照明控制器,被配置为当所述电源状态从OFF转换到ON时,以与从所述电源指示器从所述第一状态转换到所述第二状态的定时偏移的不同定时,控制所述照明装置接通。