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    • 2. 发明授权
    • Capacitance-type displacement measuring apparatus
    • 电容式位移测量装置
    • US06292001B1
    • 2001-09-18
    • US09407865
    • 1999-10-20
    • Kouji SasakiNobuyuki Hayashi
    • Kouji SasakiNobuyuki Hayashi
    • G01R2726
    • G01D5/2415G01B7/003
    • A displacement sensor comprises a first scale (11) and a second scale (12) that are arranged opposing to each other and relatively movable in the measurement axis direction. The first scale (11) includes a transmitting electrode array (13) and a receiving electrode (14). The transmitting electrode array (13) consists of a plurality of transmitting electrode units arranged in a basic period (W1) in the measurement axis direction. Each transmitting electrode unit consists of n transmitting electrodes that are arranged in the measurement axis direction and receive respective phase signals of n-phase transmission signals. The receiving electrode (14) adjoins the transmitting electrode array (13) in the direction perpendicular to the displacement direction. The receiving electrode (14) has a width equal to the basic period (W1) and smaller than a width of the transmitting electrode array (13). The receiving electrode (14) has cut off corners (14a, 14b) at both ends in the width direction and close to the transmitting electrode array. The second scale (12) includes a plurality of coupling electrodes (18) that are formed in the basic period (W1) and capacitively couple with the transmitting electrode array (13) and receiving electrode (14).
    • 位移传感器包括彼此相对布置并且可以在测量轴线方向上相对移动的第一刻度(11)和第二刻度(12)。 第一标尺(11)包括发射电极阵列(13)和接收电极(14)。 发射电极阵列(13)由沿测量轴方向布置在基本周期(W1)中的多个发射电极单元组成。 每个发射电极单元由在测量轴方向上布置的n个发射电极组成,并接收n相传输信号的各个相位信号。 接收电极(14)在垂直于位移方向的方向上与发射电极阵列(13)相邻。 接收电极(14)的宽度等于基本周期(W1),并且小于发送电极阵列(13)的宽度。 接收电极(14)在宽度方向的两端处切断角(14a,14b),并且靠近发射电极阵列。 第二标尺(12)包括在基本周期(W1)中形成并与发射电极阵列(13)和接收电极(14)电容耦合的多个耦合电极(18)。
    • 6. 发明授权
    • Measuring instrument
    • 测量仪器
    • US07721455B2
    • 2010-05-25
    • US12289684
    • 2008-10-31
    • Sadayuki MatsumiyaMikio SuzukiShuji HayashidaYoshiaki ShiraishiNobuyuki Hayashi
    • Sadayuki MatsumiyaMikio SuzukiShuji HayashidaYoshiaki ShiraishiNobuyuki Hayashi
    • G01B7/02
    • G01B3/205
    • A measuring instrument includes a detector that outputs a measured value, a digital display unit, an analog display unit having a plurality of display segments, and a display controller. The display controller includes: a tolerance range display unit that lights or blinks display segments corresponding to a preset tolerance range relative to a preset value; a first determiner that obtains a difference between the present value and a present measured value and determines whether the difference is within an analog display range wider than the tolerance range; a difference display unit that lights a display segment corresponding to the last one or the last two digits of the present measured value when the first determiner determines that the difference is within the analog display range; a second determiner that determines whether the difference is within the tolerance range; and an acceptance or rejection display unit that displays a result determined by the second determiner.
    • 测量仪器包括输出测量值的检测器,数字显示单元,具有多个显示段的模拟显示单元和显示控制器。 显示控制器包括:公差范围显示单元,其相对于预设值点亮或闪烁与预设公差范围相对应的显示段; 第一确定器,其获得当前值和当前测量值之间的差异,并且确定差异是否在比公差范围更宽的模拟显示范围内; 差分显示单元,当第一确定器确定差在模拟显示范围内时,点亮与当前测量值的最后两位数相对应的显示段; 确定差值是否在公差范围内的第二确定器; 以及显示由第二确定器确定的结果的接受或拒绝显示单元。