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    • 22. 发明申请
    • POWER MIXING CIRCUIT AND SEMICONDUCTOR MEMORY DEVICE INCLUDING THE SAME
    • 功率混合电路和包括其的半导体存储器件
    • US20130201765A1
    • 2013-08-08
    • US13619793
    • 2012-09-14
    • Young-Chul ChoYoung-Jin JeonYong-Cheol Bae
    • Young-Chul ChoYoung-Jin JeonYong-Cheol Bae
    • G11C5/14G11C7/10G06G7/12
    • G11C5/147G11C5/04G11C5/148G11C7/02G11C7/1012G11C7/1057G11C7/20
    • A power mixing circuit capable of maintaining a stable output voltage in a deep-power- down mode is provided. The power mixing circuit includes an input buffer, a power mixing control circuit, a power mixing driver and an output buffer. The input buffer is configured to operate using a first supply voltage, and to generate a first voltage signal in response to an input signal. The power mixing control circuit is configured to generate a power mixing control signal based on a power-up signal and a deep-power-down mode signal. The power mixing driver is configured to operate using an external supply voltage and a second supply voltage, to perform power mixing on the external supply voltage and the second supply voltage, and to generate a second voltage signal. The output buffer is configured to operate using the second supply voltage, and to generate an output signal.
    • 提供了能够在深度断电模式下保持稳定的输出电压的功率混合电路。 功率混合电路包括输入缓冲器,功率混合控制电路,功率混合驱动器和输出缓冲器。 输入缓冲器被配置为使用第一电源电压进行操作,并且响应于输入信号产生第一电压信号。 功率混合控制电路被配置为基于上电信号和深度掉电模式信号来产生功率混合控制信号。 功率混合驱动器被配置为使用外部电源电压和第二电源电压进行操作,以对外部电源电压和第二电源电压进行功率混合,并产生第二电压信号。 输出缓冲器被配置为使用第二电源电压进行操作,并且产生输出信号。
    • 26. 发明授权
    • Delay circuit and semiconductor device including same
    • 延迟电路和包括其的半导体器件
    • US07304520B2
    • 2007-12-04
    • US11332148
    • 2006-01-17
    • Young-Chul ChoJoung-Yeal KimSung-Hoon Kim
    • Young-Chul ChoJoung-Yeal KimSung-Hoon Kim
    • H03H11/26
    • H03K5/133H03K2005/00058
    • A delay circuit comprises a plurality of delay blocks connected in series, and a driving portion adapted to logically combine signals transmitted by the plurality of delay blocks to generate a delay circuit output signal. Each of the plurality of delay blocks delays an output signal from an immediately previous delay block and transmits a resulting delayed output signal to a next delay block when a delay operation is enabled based on a corresponding control signal. However, where the delay operation of a delay block is disabled based on the corresponding control signal, the delay block transmits the output signal of the immediately previous delay block to the driving portion.
    • 延迟电路包括串联连接的多个延迟块和适于逻辑组合由多个延迟块发送的信号以产生延迟电路输出信号的驱动部分。 多个延迟块中的每一个延迟来自紧接在前的延迟块的输出信号,并且当基于相应的控制信号启用延迟操作时,将结果延迟的输出信号发送到下一个延迟块。 然而,在延迟块的延迟操作基于相应的控制信号被禁用的情况下,延迟块将紧接在前的延迟块的输出信号发送到驱动部分。
    • 27. 发明申请
    • Laser straight ruler and method for measuring distance and projecting line using the straight ruler
    • 激光直尺和使用直尺测量距离和投影线的方法
    • US20070171393A1
    • 2007-07-26
    • US11477631
    • 2006-06-30
    • Young-chul ChoSeok-mo Chang
    • Young-chul ChoSeok-mo Chang
    • G01C3/08G01B11/14
    • G01C3/10G01C3/08G01C15/004G01S17/48
    • A laser straight ruler having a main body and a beam scanner installed on the main body. A laser beam is scanned to form a beam spot on an object. A position sensing device receives a laser beam reflected by the object and senses a position of the beam spot. A signal processing unit drives the beam scanner and processes a signal of the position sensing device. A display displays a change in a distance between the main body and the object and data including a measured distance value from the signal processing unit. An input portion inputs data including adjustment of a scanning width of the beam spot and sets start and end positions of the measured distance. A straight distance of the object is measured or the beam spot having a scanning width corresponding to a measured distance or a predetermined distance is projected to the object.
    • 具有主体和安装在主体上的光束扫描仪的激光直尺。 扫描激光束以在物体上形成束斑。 位置检测装置接收由物体反射的激光束并感测光斑的位置。 信号处理单元驱动光束扫描器并处理位置检测装置的信号。 显示器显示主体和对象之间的距离的变化以及包括来自信号处理单元的测量距离值的数据。 输入部分输入包括调整光斑的扫描宽度的数据,并设置测量距离的开始和结束位置。 测量物体的直线距离,或者将具有对应于测量距离或预定距离的扫描宽度的束斑投射到物体。