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    FLUID VISCOSITY MEASURING DEVICE
    1.
    发明申请
    FLUID VISCOSITY MEASURING DEVICE 审中-公开

    公开(公告)号：US20200225138A1

    公开(公告)日：2020-07-16

    申请号：US16735899

    申请日：2020-01-07

    申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    发明人： Chang Han JE ,  Yil Suk YANG ,  Hyunjoong LEE

    IPC分类号： G01N11/16 ,  H01L41/053 ,  H01L41/113

    摘要： Provided is a fluid viscosity measuring device including a support structure having an opening part, the opening part penetrating the support structure in a first direction, a driving resonator fixed to the support structure and extending to overlap the opening part, and a detection resonator fixed to the support structure and extending parallel to the driving resonator, the detection resonator being spaced apart from the driving resonator in the first direction. The driving resonator includes a first piezoelectric body. The detection resonator includes a second piezoelectric body. The first piezoelectric body and the second piezoelectric body have the same shape.

    POWER SUPPLY DEVICE HAVING HIERARCHICAL STRUCTURE
    3.
    发明申请
    POWER SUPPLY DEVICE HAVING HIERARCHICAL STRUCTURE 审中-公开

    公开(公告)号：US20190245357A1

    公开(公告)日：2019-08-08

    申请号：US16248864

    申请日：2019-01-16

    申请人： Electronics and Telecommunications Research Institute

    发明人： Yil Suk YANG ,  Jimin OH ,  Young-Gi LEE

    IPC分类号： H02J7/00

    CPC分类号： H02J7/0021

    摘要： Provided is a power supply device for supplying power to load elements. The power supply device includes a main power module including a main battery, a main power controller configured to control charging and discharging of the main power module, a sub-power module including sub-batteries respectively corresponding to the load elements, and a sub-power controller configured to control charging and discharging of the sub-power module, Based on a remaining capacity of the main battery and a remaining capacity of the sub-batteries, the power supply device is selectively operated in a first mode in which charging and discharging are possible for both the main power module and the sub-power module, a second mode in which charging and discharging are possible only for the sub-power module, or a third mode in which charging and discharging are possible only for the main power module.

    MOTOR POSITION DETECTING UNIT AND BRUSHLESS DC MOTOR SYSTEM
    7.
    发明申请
    MOTOR POSITION DETECTING UNIT AND BRUSHLESS DC MOTOR SYSTEM 有权
    电机位置检测单元和无刷直流电机系统

    公开(公告)号：US20140159631A1

    公开(公告)日：2014-06-12

    申请号：US13909938

    申请日：2013-06-04

    申请人： Electronics And Telecommunications Research Institute

    发明人： Jung Hee SUK ,  Jimin OH ,  Minki KIM ,  Yil Suk YANG

    IPC分类号： H02P7/00

    CPC分类号： H02P7/00 ,  H02P6/181 ,  H02P6/182

    摘要： Provided is a motor position detecting unit that includes a first computing element configured to output three-phase back-electromotive foreces (back-EMFs) based on a linear computation; a second computing element configured to output three-phase back-EMF based on a non-linear computation; and a computing controller configured to receive a control signal, three-phase voltage and current, and selecting any one of the first and second computing elements based on the received control signal, the received three-phase voltages and currents, wherein the control signal includes information on operation modes of an external motor.

    摘要翻译： 提供一种电动机位置检测单元，其包括：第一计算单元，其被配置为基于线性计算输出三相反电动势（反电动势）; 第二计算元件，被配置为基于非线性计算输出三相反电动势; 以及计算控制器，被配置为接收控制信号，三相电压和电流，以及基于所接收的控制信号，所接收的三相电压和电流来选择第一和第二计算元件中的任何一个，其中控制信号包括 有关外部电机运行模式的信息。

    ERROR AMPLIFIER HAVING CASCODE CURRENT SOURCE USING BODY BIASING
    8.
    发明申请
    ERROR AMPLIFIER HAVING CASCODE CURRENT SOURCE USING BODY BIASING 有权
    具有使用身体偏转的CASCODE电流源的错误放大器

    公开(公告)号：US20140152386A1

    公开(公告)日：2014-06-05

    申请号：US13841512

    申请日：2013-03-15

    申请人： Electronics and Telecommunications Research Institute

    发明人： Yil Suk YANG ,  Jongdae Kim ,  Yong-Seo Koo

    IPC分类号： H03F3/45

    CPC分类号： H03F3/45192 ,  H03F2203/45244 ,  H03F2203/45508

    摘要： Provided is an error amplifier. The error amplifier includes: an amplifying unit receiving first and second input signals and amplifying a voltage difference between the received first and second input signals; a first voltage generating unit generating first and second driving voltages for driving the amplifying unit; a second voltage generating unit generating first and second body voltages to implement a body biasing method; a cascode current source including first to fourth PMOS transistors to provide a bias current to the amplifying unit and the first voltage generating unit; and an output unit outputting a signal of the voltage difference amplified by the amplifying unit, wherein the first and third PMOS transistors receive the first body voltage through a body terminal and the second and fourth PMOS transistors receive the second body voltage through a body terminal.

    摘要翻译： 提供了一个误差放大器。 误差放大器包括：放大单元，接收第一和第二输入信号并放大所接收的第一和第二输入信号之间的电压差; 产生用于驱动放大单元的第一和第二驱动电压的第一电压产生单元; 产生第一和第二体电压以实现身体偏置方法的第二电压产生单元; 共源共栅电流源，包括第一至第四PMOS晶体管，以向放大单元和第一电压产生单元提供偏置电流; 以及输出单元，输出由放大单元放大的电压差的信号，其中第一和第三PMOS晶体管通过主体端子接收第一体电压，并且第二和第四PMOS晶体管通过主体端子接收第二体电压。

    BATTERY BALANCING SYSTEM AND OPERATION METHOD THEREOF
    9.
    发明公开
    BATTERY BALANCING SYSTEM AND OPERATION METHOD THEREOF 审中-公开

    公开(公告)号：US20240072547A1

    公开(公告)日：2024-02-29

    申请号：US18364210

    申请日：2023-08-02

    申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    发明人： Yil Suk YANG ,  Chi Hoon JUN

    IPC分类号： H02J7/00

    CPC分类号： H02J7/0019 ,  H02J7/0048

    摘要： Disclosed is a battery balancing system, which includes a battery pack block including a first battery module and a second battery module arranged in a first row and a third battery module and a fourth battery module arranged in a second row, a balancing control block including first control circuits respectively connected to the first battery module and the second battery module in the first row and second control circuits respectively connected to the third battery module and the fourth battery module in the second row, a battery state determination block that receives output signals from the first control circuits and the second control circuits to determine states of the first to fourth battery modules, and a controller that applies a first row selection signal to the first control circuits and applies a second row selection signal to the second control circuits.

    DC-DC CONVERTER DRIVING DEVICE AND METHOD FOR DRIVING DC-DC CONVERTER USING THE SAME
    10.
    发明申请
    DC-DC CONVERTER DRIVING DEVICE AND METHOD FOR DRIVING DC-DC CONVERTER USING THE SAME 审中-公开

    公开(公告)号：US20190068051A1

    公开(公告)日：2019-02-28

    申请号：US15981774

    申请日：2018-05-16

    申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    发明人： Yil Suk YANG ,  Jimin OH ,  Jong Pil IM

    IPC分类号： H02M3/04 ,  H02M1/00

    摘要： Provided are a DC-DC converter driving device and a driving method thereof, the DC-DC converter driving device including an error detector configured to compare a first feedback voltage corresponding to a first output terminal with a first compensation reference voltage to generate a first error voltage, and configured to compare a second feedback voltage corresponding to a second output terminal with a second compensation reference voltage to generate a second error voltage, an interference detector configured to determine interference between the first and second output terminals on the basis of the first and second error voltages to generate an interference error voltage, and a reference voltage compensator configured to assign a weight to the interference error voltage to generate the first and second compensation reference voltages, and thus priorities are determined for outputs of the DC-DC converter and weights according thereto are assigned to reduce occurrence of cross-regulation.