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    HUMAN BODY COMMUNICATION DEVICE AND OPERATING METHOD OF THE SAME
    11.
    发明申请
    HUMAN BODY COMMUNICATION DEVICE AND OPERATING METHOD OF THE SAME 审中-公开

    公开(公告)号：US20200295848A1

    公开(公告)日：2020-09-17

    申请号：US16816109

    申请日：2020-03-11

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Tae Wook KANG ,  Sung Eun KIM ,  Kwang IL OH ,  Hyuk KIM ,  Mi Jeong PARK ,  Hyung-IL PARK ,  Kyung Jin BYUN ,  Jae-Jin LEE ,  In Gi LIM

    IPC: H04B13/00 ,  H04B1/44

    Abstract: Provided are a human body communication device and an operating method of the same. The human body communication device according to an embodiment of the inventive concept includes a first electrode, a second electrode, a transmitting circuit, a receiving circuit, a ground electrode, and a switch. The transmitting circuit generates a first signal in a transmitting mode and transmits the first signal to the first electrode. The receiving circuit receives a second signal from the first electrode in the receiving mode. The receiving circuit includes a differential amplifier that amplifies a difference between a voltage level of a first input terminal depending on the second signal and a voltage level of a second input terminal. The switch electrically connects the second electrode and the ground electrode in the transmitting mode, and electrically connects the second electrode and the second input terminal in the receiving mode.

    ELECTRONIC CIRCUIT FOR ADJUSTING PHASE OF CLOCK
    20.
    发明申请
    ELECTRONIC CIRCUIT FOR ADJUSTING PHASE OF CLOCK 审中-公开

    公开(公告)号：US20200067516A1

    公开(公告)日：2020-02-27

    申请号：US16542469

    申请日：2019-08-16

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： KWANG IL OH ,  Tae Wook KANG ,  Sung Eun KIM ,  Hyuk KIM ,  Mi Jeong PARK ,  Hyung-IL PARK ,  Kyung Jin BYUN ,  Jae-Jin LEE ,  In Gi LIM

    IPC: H03L7/093

    Abstract: The inventive concept includes an oscillating circuit, a phase inverting circuit, and a phase detecting circuit. The oscillating circuit generates a first clock to be used to sample an input signal. The phase inverting circuit outputs a second clock based on the first clock. The phase detecting circuit generates a control signal having a first logic value when a phase difference between a phase of the input signal and a phase of the second clock is less than a reference value for a reference time or more. The phase detecting circuit generates the control signal having a second logic value when the phase difference is equal to or greater than the reference value or when the phase difference is less than the reference value for a time shorter than the reference time. The phase inverting circuit inverts the phase of the second clock when a logic value of the control signal changes from the first logic value to the second logic value or when a logic value of the control signal changes from the second logic value to the first logic value.

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