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    • 2. 发明授权
    • Device and method for measuring fine particle concentration
    • 微粒浓度测定装置及方法
    • US08327692B2
    • 2012-12-11
    • US12871069
    • 2010-08-30
    • Young-Ho ChoDong Woo LeeSoyeon Yi
    • Young-Ho ChoDong Woo LeeSoyeon Yi
    • G01N15/14
    • G01N15/12G01N15/1056G01N2015/0073G01N2015/1006G01N2015/1062
    • Disclosed is a device for measuring the concentration of the particles contained in a fluid. The device comprises a control volume body having a predetermined effective volume. An inlet path is formed at an end of the control volume body to feed the fluid into the control volume body therethrough. An outlet path is formed at another end of the control volume body to discharge the fluid from the control volume body therethrough. Measuring instruments are provided at the inlet path and the outlet path to emit electrical signals when the fine particles pass through the inlet path and the outlet path. A computing machine receives the electrical signals transmitted from the measuring instruments, and then computes the number and the concentration of fine particles contained in the control volume body. The device is easily integrated with Micro-TAS (Total analysis System).
    • 公开了一种用于测量流体中所含的颗粒的浓度的装置。 该装置包括具有预定有效体积的控制体积体。 入口路径形成在控制体积体的端部,以将流体供给到通过其中的控制体积体中。 出口路径形成在控制体积体的另一端,以便从控制体积体中排出流体。 当微粒通过入口路径和出口路径时,测量仪器设置在入口路径和出口路径处以发出电信号。 计算机接收从测量仪器发送的电信号,然后计算包含在控制体积体中的细颗粒的数量和浓度。 该设备可轻松与Micro-TAS(Total Analysis System)集成。
    • 6. 发明授权
    • Head drum apparatus
    • 头鼓设备
    • US06369991B1
    • 2002-04-09
    • US09456517
    • 1999-12-08
    • Do-Young ChoiYoung-Ho ChoHyeong-Seok ChoiChung-Hum BaikJun-Young KimSeung-Woo LeeSung-Hee Hong
    • Do-Young ChoiYoung-Ho ChoHyeong-Seok ChoiChung-Hum BaikJun-Young KimSeung-Woo LeeSung-Hee Hong
    • G11B552
    • G11B5/531
    • A head drum apparatus including a lower drum; a stationary shaft pressed and fitted into a center hole of the lower drum; an upper drum rotatably coupled to the stationary shaft via at least one bearing; a rotor magnet secured via a plate to the upper drum; a boss fixed to the top portion of the stationary shaft by a set-screw; a PCB mounted to the boss such that it is opposite to the rotor magnet, the PCB having a pulse generator (“PG”) pattern, a frequency generator (“FG”) pattern, connection patterns and jump patterns formed on one surface thereof, the PG pattern and the FG pattern being connected to the respective connection patterns via the respective jump patterns; and motor stator coils mounted to the PCB, whereby the structure of the motor becomes simpler, the number of the components and the manufacturing steps are reduced, the manufacturing efficiency is enhanced and the productivity thereof is increased.
    • 一种头鼓装置,包括下鼓; 固定轴被压配合到下鼓的中心孔中; 上鼓,其经由至少一个轴承可旋转地联接到所述固定轴; 通过板固定到上鼓的转子磁体; 通过固定螺钉固定到固定轴的顶部的凸台; PCB安装到凸台以使其与转子磁体相对,PCB具有脉冲发生器(“PG”)图案,频率发生器(“FG”)图案,在其一个表面上形成的连接图案和跳跃图案, PG图案和FG图案经由各自的跳跃图案连接到各个连接图案; 以及安装在PCB上的电动机定子线圈,由此电动机的结构变得更简单,部件数量和制造步骤减少,制造效率提高,生产率提高。
    • 8. 发明授权
    • Apparatus and method for detecting motion characteristics of particles in flow channel
    • 用于检测流道中颗粒运动特性的装置和方法
    • US08598863B2
    • 2013-12-03
    • US12374092
    • 2007-07-16
    • Young-Ho ChoTae Yoon KimDong Woo Lee
    • Young-Ho ChoTae Yoon KimDong Woo Lee
    • G01N27/00
    • G01N15/1031G01N2015/1075
    • The present invention is an apparatus and method for detecting the motion characteristics of particles in a flow channel. The apparatus includes first and second electrode groups, each having a pair of electrodes, which are arranged to be spaced apart from each other in a flow channel. The pair of electrodes function as both a drive electrode and a sensing electrode for directly applying voltage and measuring impedance between the electrodes. An operation control unit measures variation in electrical pulses generated in the first and second electrode groups, thus detecting motion characteristics of the particles. The present invention is advantageous in that it does not require complicated optical measuring instruments or analyzing instruments, and in that it can be used to easily detect the motion characteristics of particles in a flow channel merely by analyzing variation in electrical pulses without requiring preliminary information.
    • 本发明是用于检测流路中的颗粒的运动特性的装置和方法。 该装置包括第一和第二电极组,每个具有一对电极,它们被布置为在流动通道中彼此间隔开。 该对电极用作驱动电极和感测电极,用于直接施加电压并测量电极之间的阻抗。 操作控制单元测量在第一和第二电极组中产生的电脉冲的变化,从而检测颗粒的运动特性。 本发明的优点在于它不需要复杂的光学测量仪器或分析仪器,并且其仅仅通过分析电脉冲的变化而不需要初步信息就可以用于容易地检测流动通道中的颗粒的运动特性。