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    • 5. 发明申请
    • Soot collection quantity measuring device for diesel particulate filter
    • 柴油颗粒过滤器烟灰采集量测量装置
    • US20080028752A1
    • 2008-02-07
    • US11646079
    • 2006-12-26
    • Kyung-Min Lee
    • Kyung-Min Lee
    • F01N3/00F01N3/02
    • F01N9/002F01N9/005F01N2560/05F01N2560/08F01N2560/12Y02T10/47
    • The invention provides a soot collection quantity measuring device for a diesel particulate filter. The soot collection quantity measuring device for a diesel particulate filter includes: an anion charging unit that is provided in an exhaust pipe in front of a diesel particulate filter and has a plurality of conductor flat plates in parallel with one another, and a capacitor that is provided at the back of the anion charging unit and has upper and lower electrode plates connected to a direct-current high-voltage power supply. The soot particulates pass through the anion charging unit which is negatively charged, and the charged soot particulates are collected in the upper electrode plate by an electric field between the upper and lower electrode plate.
    • 本发明提供一种用于柴油机微粒过滤器的烟灰收集量测量装置。 柴油机微粒过滤器的烟灰收集量测量装置包括:阴极充电单元,设置在柴油机微粒过滤器前面的排气管中,并具有彼此平行的多个导体平板;以及电容器, 设置在阴离子充电单元的背面,并具有连接到直流高压电源的上电极板和下电极板。 烟灰颗粒通过负电荷的阴离子充电单元,并且通过上电极板和下电极板之间的电场将带电的烟灰颗粒收集在上电极板中。
    • 9. 发明授权
    • Automatic frequency control circuit for digital radio communication
system
    • 数字无线电通信系统自动频率控制电路
    • US5903600A
    • 1999-05-11
    • US777761
    • 1996-12-30
    • Kyung-Min Lee
    • Kyung-Min Lee
    • H03D7/16H03J7/04H04B1/40H04L5/14
    • H03J7/045H03D7/163H04B1/405
    • An automatic frequency control circuit including wideband and distortion automatic frequency control circuits for a digital transmitter-receiver circuit. The distortion automatic frequency control circuit performs a compensation function for a slight frequency variation in a frequency offset range allowed by the specification of the system to which the circuit is applied. In this case, accordingly, it is possible to maintain a stable call conversation. When a signal having a frequency being beyond a frequency tolerance of the system is generated, the wideband automatic frequency control circuit operates to perform a rapid automatic frequency tracing function. That is, the wideband automatic frequency control circuit determines whether or not the automatic frequency control signal emerging from the distortion automatic frequency control circuit has a frequency included in an automatic frequency control range and outputs a new automatic frequency control signal based on the result of the determination. Accordingly, a frequency distortion phenomenon caused by a variation in frequency is effectively prevented.
    • 一种自动频率控制电路,包括用于数字发射机 - 接收机电路的宽带和失真自动频率控制电路。 失真自动频率控制电路在施加电路的系统的规格允许的频率偏移范围内进行微小的频率变化的补偿功能。 因此,在这种情况下,可以保持稳定的通话对话。 当产生频率超过系统频率容差的信号时,宽带自动频率控制电路运行以执行快速的自动频率跟踪功能。 也就是说,宽带自动频率控制电路确定从失真自动频率控制电路出来的自动频率控制信号是否具有包括在自动频率控制范围内的频率,并且基于该自动频率控制信号的结果输出新的自动频率控制信号 决心。 因此,有效地防止了由频率变化引起的频率失真现象。