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    • 1. 发明授权
    • Acoustic sensor apparatus and acoustic camera for using MEMS microphone array
    • 用于MEMS麦克风阵列的声学传感器和声学相机
    • US09525926B2
    • 2016-12-20
    • US14239036
    • 2011-08-19
    • Young-Gi KimKang-Hyun LeeJun-Goo Kang
    • Young-Gi KimKang-Hyun LeeJun-Goo Kang
    • H04R1/02H04R1/08H04R3/00H04R29/00G01H11/06
    • H04R1/083G01H11/06H04R1/028H04R3/005H04R29/005H04R2201/003
    • An acoustic camera for using a MEMS microphone array comprises: an acoustic sensor apparatus (30) comprising a print circuit board (20) on which the plural of MEMS microphone (10) are mounted, to send signals for the detected sound to a data collection unit (40); a data collection unit (40) connected to the acoustic sensor apparatus (30), which samples analog signals related to sound transmitted from the acoustic sensor apparatus (30) to transform into digital signals and transmit them to the central processing unit (40); a central processing unit (50) connected to the data collection unit (40), which calculates noise level based on digital signals related to sound transmitted from the data collection unit (40); and a display unit (60) which is connected to the central processing unit (50), which displays in color the noise level calculated at the central processing unit.
    • 一种用于使用MEMS麦克风阵列的声学相机包括:声学传感器设备(30),包括其上安装有多个MEMS麦克风(10)的打印电路板(20),用于将检测到的声音的信号发送到数据采集 单位(40); 连接到所述声学传感器装置的数据收集单元,其对与从所述声学传感器装置发送的声音相关的模拟信号进行采样以变换为数字信号并将其发送到所述中央处理单元)。 连接到数据收集单元(40)的中央处理单元(50),其基于与从数据收集单元(40)发送的声音相关的数字信号来计算噪声电平; 以及连接到中央处理单元(50)的显示单元(60),其以彩色显示在中央处理单元处计算出的噪声水平。
    • 2. 发明申请
    • ACOUSTIC SENSOR APPARATUS AND ACOUSTIC CAMERA FOR USING MEMS MICROPHONE ARRAY
    • 用于MEMS麦克风阵列的声学传感器和声学相机
    • US20140241548A1
    • 2014-08-28
    • US14239036
    • 2011-08-19
    • Young-Gi KimKang-Hyun LeeJun-Goo Kag
    • Young-Gi KimKang-Hyun LeeJun-Goo Kag
    • H04R1/08H04R1/02H04R3/00
    • H04R1/083G01H11/06H04R1/028H04R3/005H04R29/005H04R2201/003
    • An acoustic camera for using a MEMS microphone array comprises: an acoustic sensor apparatus (30) comprising a print circuit board (20) on which the plural of MEMS microphone (10) are mounted, to send signals for the detected sound to a data collection unit (40); a data collection unit (40) connected to the acoustic sensor apparatus (30), which samples analog signals related to sound transmitted from the acoustic sensor apparatus (30) to transform into digital signals and transmit them to the central processing unit (40); a central processing unit (50) connected to the data collection unit (40), which calculates noise level based on digital signals related to sound transmitted from the data collection unit (40); and a display unit (60) which is connected to the central processing unit (50), which displays in color the noise level calculated at the central processing unit.
    • 一种用于使用MEMS麦克风阵列的声学相机包括:声学传感器设备(30),包括其上安装有多个MEMS麦克风(10)的打印电路板(20),用于将检测到的声音的信号发送到数据采集 单位(40); 连接到所述声学传感器装置的数据收集单元,其对与从所述声学传感器装置发送的声音相关的模拟信号进行采样以变换为数字信号并将其发送到所述中央处理单元)。 连接到数据收集单元(40)的中央处理单元(50),其基于与从数据收集单元(40)发送的声音相关的数字信号来计算噪声电平; 以及连接到中央处理单元(50)的显示单元(60),其以彩色显示在中央处理单元处计算出的噪声水平。
    • 6. 发明授权
    • Electrocatalyst for fuel cells using support body resistant to carbon monoxide poisoning
    • 用于燃料电池的电催化剂,使用对一氧化碳中毒的支持体
    • US07432221B2
    • 2008-10-07
    • US10453136
    • 2003-06-03
    • Chang-Soo KimYoung-Gi KimWong-Yong LeeGu-Gon ParkTae-Hyun Yang
    • Chang-Soo KimYoung-Gi KimWong-Yong LeeGu-Gon ParkTae-Hyun Yang
    • B01J23/00B01J23/40B01J21/18
    • H01M4/925B01J21/18B01J23/40B01J23/56B01J23/89B01J35/10B01J35/1061H01M4/8605H01M4/921
    • Disclosed is an electrocatalyst for fuel cells, in which a porous carbon material including pores having a diameter smaller than a kinetic diameter of carbon monoxide is used as a support body and contact probability between an activated metal and carbon monoxide is decreased, thereby preventing fuel cell performance from being degraded by carbon monoxide. The electrocatalyst is obtained by adsorbing 10-80 parts by weight of an activated metal to 20-90 parts by weight of a porous support body, characterized in that the porous support body has a total surface area of 200-2,500 m2/g including an outer surface thereof and an inner surface of pores thereof, and has a plurality of pores penetrating into an interior of the support body with an average diameter of 2-15 nm and a total volume of 0.4-2.0 m3/g, and the activated metal is alloyed with 20-95 at % of platinum and 5-80 at % of one metal selected from among Ru, Sn, Os, Rh, Ir, Pd, V, Cr, Co, Ni, Fe and Mn. As for such an electrocatalyst, carbon monoxide does not fundamentally come in contact with the activated metal adsorbed to the inner surface of the pores of the support body, thereby minimizing degradation of fuel cell performance, thus overcoming fuel-feeding problems.
    • 公开了一种用于燃料电池的电极催化剂,其中使用包含直径小于一氧化碳的动力学直径的孔的多孔碳材料作为支撑体,活化金属与一氧化碳之间的接触概率降低,从而防止燃料电池 一氧化碳降解的性能。 通过将10-80重量份的活化金属吸附到20-90重量份的多孔支撑体中而获得电催化剂,其特征在于,所述多孔支撑体的总表面积为200-2,500μm2 包括其外表面和其孔的内表面,并且具有贯穿支撑体内部的多个孔,平均直径为2-15nm,总体积为0.4-2.0 活性金属与选自Ru,Sn,Os,Rh,Ir,Pd等的一种金属合金为20-95at%的铂和5-80at%的金属, V,Cr,Co,Ni,Fe和Mn。 对于这样的电催化剂,一氧化碳与吸附在支撑体的孔的内表面的活化金属基本上不接触,从而使燃料电池性能的劣化最小化,从而克服了燃料供给问题。
    • 9. 发明申请
    • Regulator and gas supply method using the same
    • 调节器和气体供应方法使用相同
    • US20060169328A1
    • 2006-08-03
    • US11313285
    • 2005-12-20
    • Bu-Hyoung ChoSung-Duk YoonSung-Min HyunYoung-Gi Kim
    • Bu-Hyoung ChoSung-Duk YoonSung-Min HyunYoung-Gi Kim
    • G05D16/06
    • G05D16/0669Y10T137/0396Y10T137/7793Y10T137/7826
    • A regulator comprises a body including an inflow line, an outflow line, and a buffer space, the buffer space being provided between the inflow line and the outflow line, and a switch for opening and closing a flow path of a fluid flowing from the inflow line to the buffer space. The switch comprises a seat member including an inlet for receiving the fluid from the inflow line, and an outlet for supplying the fluid received through the inlet to the buffer space, the seat member being disposed in the flow path and a movable cutoff member for opening and closing the inlet, the cutoff member being inserted into the seat member, wherein the outlet is configured for allowing the fluid to flow in one direction along an outer sidewall of the seat member.
    • 调节器包括一个主体,该主体包括一个流入管线,一个流出管线和一个缓冲空间,该缓冲空间设置在该流入管线和该流出管线之间,一个开关,用于打开和关闭从该流入流体流动的流体的流路 行到缓冲区。 所述开关包括座部件,所述座椅构件包括用于从所述流入管线接收流体的入口和用于将通过所述入口接收的流体供应到所述缓冲空间的出口,所述座椅构件设置在所述流动路径中,以及用于打开的可移动切割构件 并且关闭所述入口,所述切断构件插入所述座椅构件中,其中所述出口构造成允许所述流体沿着所述座椅构件的外侧壁在一个方向上流动。