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    • 22. 发明授权
    • Voltage pump circuit having an independent well-bias voltage
    • 电压泵电路具有独立的良好偏置电压
    • US5905402A
    • 1999-05-18
    • US866128
    • 1997-05-30
    • Tae-Hoon KimYoung-Hyun Jun
    • Tae-Hoon KimYoung-Hyun Jun
    • G11C11/407G11C5/14G11C11/408H01L21/8234H01L27/088H02M3/07G05F3/02
    • H02M3/07
    • A voltage pump circuit for precharging/pumping a charge to/from a pumping capacitor separately employs a voltage generator for independently supplying a well-bias voltage to a PMOS transfer transistor which transfers a charge of a precharged capacitor to produce reference voltage. The voltage of the voltage generator is applied to a well of the PMOS transfer transistor to body bias the PMOS transfer transistor and, thus, ruggedize its threshold voltage transistor. Here, the well-bias voltage equals or exceeds the reference voltage while being approximately twice a power source voltage. The well-bias voltage generator includes a non-overlap control circuit for receiving a pulse signal as an input to generate two pulse signals having different points of changing into high and low states, a second pumping capacitor, first, second and third bootstrap capacitors, a precharge circuit for precharging the voltage on the second pumping capacitor and first and second bootstrap capacitors for a predetermined period, a first step control circuit for controlling a first-step transistor, a second step control circuit for controlling a second-step transistor and a pumping control circuit for controlling a third-step transistor, which are provided for precharging the voltage to the third bootstrap capacitor, and a transfer transistor having a gate connected to the reference voltage of the third bootstrap capacitor for transferring the well-bias voltage.
    • 用于向/从泵送电容器预充电/泵送电荷的电压泵电路分别采用电压发生器,用于独立向PMOS传输晶体管提供阱偏置电压,PMOS传输晶体管传送预充电电容器的电荷以产生参考电压。 电压发生器的电压被施加到PMOS传输晶体管的阱以对PMOS传输晶体管进行偏置,并因此加强其阈值电压晶体管。 这里,阱偏置电压等于或超过参考电压,而大约是电源电压的两倍。 阱偏置电压发生器包括:不重叠控制电路,用于接收作为输入的脉冲信号,以产生具有变为高和低状态的不同点的两个脉冲信号;第二泵浦电容器,第一,第二和第三自举电容器; 预充电电路,用于对预定时间段内的第二泵浦电容器和第一和第二自举电容器进行预充电;第一级控制电路,用于控制第一级晶体管;第二级控制电路,用于控制第二级晶体管;以及 泵控制电路,用于控制用于对第三自举电容器进行电压预充电的第三级晶体管;以及传输晶体管,其具有连接到第三自举电容器的参考电压的栅极,用于传送阱偏置电压。
    • 23. 发明授权
    • Back bias voltage generator
    • 背偏置电压发生器
    • US5602506A
    • 1997-02-11
    • US362299
    • 1994-12-22
    • Tae-Hoon KimYoung-Hyun Jun
    • Tae-Hoon KimYoung-Hyun Jun
    • H01L27/04G11C5/14G11C11/408H01L21/822H02M3/07G05F1/10
    • G11C5/146H02M3/07H01L2924/0002
    • A back bias voltage generator comprising a power-on signal generator for generating a power-on signal when an external voltage remains at a constant level, a reference voltage generator for generating a reference voltage in response to the power-on signal from the power-on signal generator, an internal voltage generator for generating an internal voltage and an internal/external voltage select signal in response to the reference voltage from the reference voltage generator, the internal voltage being constant in level, a back bias voltage sensor for generating an oscillation enable signal in response to the external voltage or the internal voltage from the internal voltage generator under control of the internal/external voltage select signal from the internal voltage generator, an oscillator for generating an oscillating signal at a desired period and an enable signal in response to the oscillation enable signal from the back bias voltage sensor and outputting the generated enable signal to the internal voltage generator, and a back bias voltage pump for performing a voltage pumping operation in response to the oscillating signal from the oscillator to generate a desired level of back bias voltage and outputting the generated back bias voltage to an external circuit and the back bias voltage sensor.
    • 背偏置电压发生器,其包括用于当外部电压保持在恒定电平时产生通电信号的上电信号发生器,用于响应于来自电源开关信号的电源接通信号产生参考电压的参考电压发生器, 信号发生器,内部电压发生器,用于响应于来自参考电压发生器的参考电压产生内部电压和内部/外部电压选择信号,内部电压水平恒定;用于产生振荡的反向偏置电压传感器 在来自内部电压发生器的内部/外部电压选择信号的控制下,响应于来自内部电压发生器的外部电压或内部电压的使能信号,用于在期望周期产生振荡信号的振荡器和响应中的使能信号 到来自背偏压电压传感器的振荡使能信号,并输出所产生的使能信号 内部电压发生器和反向偏置电压泵,用于响应于来自振荡器的振荡信号进行电压抽运操作,以产生期望电平的反向偏置电压,并将产生的反向偏置电压输出到外部电路,并且 背偏置电压传感器。
    • 25. 发明申请
    • Method and Device for Notification of Facial Recognition Environment, and Computer-Readable Recording Medium for Executing Method
    • 面部识别环境通知方法和装置,以及执行方法的计算机可读记录介质
    • US20150016733A1
    • 2015-01-15
    • US14344983
    • 2013-02-27
    • Minje ParkTae-Hoon Kim
    • Minje ParkTae-Hoon Kim
    • G06K9/00H04N5/232
    • G06F17/30247G06K9/00221G06K9/00241G06K9/00248G06K9/00281G06K9/00912G06K9/03G06K9/033G06K9/036H04N5/23219H04N5/23222
    • According to a method for providing a notification on a face recognition environment of the present disclosure, the method includes obtaining an input image that is input in a preview state, comparing feature information for a face included in the input image with feature information for a plurality of reference images of people stored in a predetermined database to determine, in real-time, whether the input image satisfies a predetermined effective condition for photographing. The predetermined effective condition for photographing is information regarding a condition necessary for recognizing the face included in the input image at a higher accuracy level than a predetermined accuracy level. The method further includes providing a user with a predetermined feedback for photographing guidance that corresponds to whether the predetermined effective condition for photographing is satisfied. According to the method, a condition of a face image detected for face recognition is checked, and if there is an unsuitable element in recognizing the face, it is notified to a user such that an obstruction environment hindering the face recognition by the user is removed, for enhancing a success rate of the face recognition.
    • 根据本公开的面部识别环境中提供通知的方法,所述方法包括:获取以预览状态输入的输入图像,将输入图像中包含的面部的特征信息与多个特征信息进行比较 存储在预定数据库中的人的参考图像实时地确定输入图像是否满足用于拍摄的预定有效条件。 用于拍摄的预定有效条件是关于以比预定精度水平更高的精度水平识别包含在输入图像中的面部所必需的条件的信息。 该方法还包括向用户提供与用于拍摄的预定有效条件是否被满足的拍摄引导的预定反馈。 根据该方法,对面部识别检测到的面部图像的条件进行检查,并且如果在识别脸部时存在不适合的元素,则将其通知给用户,使得妨碍用户的脸部识别的阻塞环境被去除 ,用于提高脸部识别的成功率。
    • 30. 发明授权
    • Printed circuit board and display system including the printed circuit board
    • 印刷电路板和显示系统,包括印刷电路板
    • US08411002B2
    • 2013-04-02
    • US12391767
    • 2009-02-24
    • Bum LeeSung-Min JangTae-Hoon Kim
    • Bum LeeSung-Min JangTae-Hoon Kim
    • G09G3/36
    • H05K1/0216G09G3/2092G09G2330/06G09G2370/16H05K1/0298H05K2201/093H05K2201/09663H05K2201/10128H05K2201/10189
    • A display system includes a system module, a connector connected to the system module, and a display module connected to the system module through the connector. The display module includes a liquid crystal panel which displays an image, and a first printed circuit board (“PCB”) which drives the liquid crystal panel. The first PCB includes a ground layer having a first ground region electrically connected to the display module, and a second ground region electrically isolated from the first ground region and electrically connected to the connector. The system module is configured to transmit communication signals to the display module and/or receive communication signals from the display module. The system module is further configured to transmit a noise component, which is independent of the communication signals, to the display module through the connector.
    • 显示系统包括系统模块,连接到系统模块的连接器以及通过连接器连接到系统模块的显示模块。 显示模块包括显示图像的液晶面板和驱动液晶面板的第一印刷电路板(PCB)。 第一PCB包括具有电连接到显示模块的第一接地区域的接地层和与第一接地区域电隔离并电连接到连接器的第二接地区域。 系统模块被配置为向显示模块发送通信信号和/或从显示模块接收通信信号。 系统模块还被配置为通过连接器将独立于通信信号的噪声分量发送到显示模块。