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    ELECTRODE SELECTION DEVICE FOR SELECTING OPTIMAL ELECTRODES TO COMMUNICATE WITH CAPSULE ENDOSCOPE, AND OPERATION METHOD THEREOF
    23.
    发明申请
    ELECTRODE SELECTION DEVICE FOR SELECTING OPTIMAL ELECTRODES TO COMMUNICATE WITH CAPSULE ENDOSCOPE, AND OPERATION METHOD THEREOF 审中-公开

    公开(公告)号：US20190335984A1

    公开(公告)日：2019-11-07

    申请号：US16402164

    申请日：2019-05-02

    Applicant: Electronics and Telecommunications Research Institute

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

    IPC: A61B1/04 ,  H04B13/00 ,  A61B1/00

    Abstract: Provided is and electrode selection device communicating with a capsule endoscope. The device includes an analog front end configured to recover first data based on first signals transmitted from the capsule endoscope to a first electrode and a second electrode, recover second data based on second signals transmitted from the capsule endoscope to the first electrode and a third electrode, and recover third data based on third signals transmitted from the capsule endoscope to the second electrode and the third electrode, and a digital receiver configured to calculate a first correlation value between the first and second electrodes, a second correlation value between the first and third electrodes, and a third correlation value between the second and third electrodes based on the first to third data. The digital receiver calculates, among the first to third correlation values, a first correlation sum obtained by adding first and second correlation values generated using the first electrode, a second correlation sum obtained by adding the first and third correlation values generated using the second electrode, and a third correlation sum obtained by adding the second and third correlation values generated using the third electrode, and selects a receiving electrode pair among the first to third electrodes based on the first to third correlation sums.

    POWER COMBINING DEVICE
    24.
    发明申请
    POWER COMBINING DEVICE 审中-公开

    公开(公告)号：US20170099048A1

    公开(公告)日：2017-04-06

    申请号：US15068057

    申请日：2016-03-11

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Tae Wook KANG ,  Sung Eun KIM

    IPC: H03K17/30 ,  H03K3/037 ,  H03K5/24

    CPC classification number: H03K17/302 ,  G06F1/263 ,  H02J7/345 ,  H03K3/037 ,  H03K5/24

    Abstract: Provided is a power combining device including a comparison circuit configured to output low power comparison signals by comparing a first threshold voltage and levels of voltages of storage elements charged by external power sources according to low power control signals and output high power comparison signals by comparing a second threshold voltage and the levels of the voltages according to high power control signals, a switching signal generation circuit configured to output low power switching signals based on the low power comparison signals and output high power switching signals based on the high power comparison signals, and a switching circuit configured to select loads electrically coupled with the storage elements based on the low power switching signals and the high power switching signals.

    BIOMETRIC AUTHENTICATION DEVICE AND FINGERPRINT AUTHENTICATION DEVICE INCLUDING THE SAME
    25.
    发明公开
    BIOMETRIC AUTHENTICATION DEVICE AND FINGERPRINT AUTHENTICATION DEVICE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20230214467A1

    公开(公告)日：2023-07-06

    申请号：US17984398

    申请日：2022-11-10

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Kwang IL OH ,  Tae Wook KANG ,  Seong-Eun KIM ,  Jae-Jin LEE

    IPC: G06F21/32

    CPC classification number: G06F21/32

    Abstract: Disclosed are a biometric authentication device and a fingerprint authentication device including the same. The biometric authentication device includes a clock generator that generates a clock signal, an authentication signal generator that generates an authentication signal based on the clock signal, a transmission electrode that transmits the authentication signal to a contact body, a reception electrode that receives a channel pass signal in which the authentication signal passes through a channel of the contact body, and a biometric authenticator that restores the channel pass signal and compares the restored channel pass signal with the authentication signal to generate a biometric authentication signal indicating whether the contact body is a biological tissue. According to the present disclosure, it is possible to improve the security of a fingerprint authentication device.

    ARTIFICIAL INTELLIGENCE SYSTEM AND ARTIFICIAL NEURAL NETWORK LEARNING METHOD THEREOF
    28.
    发明申请
    ARTIFICIAL INTELLIGENCE SYSTEM AND ARTIFICIAL NEURAL NETWORK LEARNING METHOD THEREOF 有权

    公开(公告)号：US20220156590A1

    公开(公告)日：2022-05-19

    申请号：US17459950

    申请日：2021-08-27

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Sung Eun KIM ,  Tae Wook KANG ,  Hyuk KIM ,  Kwang IL OH

    IPC: G06N3/08 ,  G06N3/04

    Abstract: Disclosed is a method for learning an artificial neural network in a synapse of an artificial intelligence system including generating, by an input neuron of the artificial intelligence system, a first input signal, generating, by the input neuron, a second input signal after a predetermined time, generating, by an output neuron of the artificial intelligence system, an output signal in response to the first input signal and the second input signal that are generated by the input neuron, and adjusting, by the synapse of the artificial intelligence system, connection strength of the artificial neural network based on a temporal order of the first input signal and the second input signal that are generated by the input neuron.

    HUMAN BODY COMMUNICATION DEVICE HAVING SINGLE ELECTRODE
    29.
    发明申请
    HUMAN BODY COMMUNICATION DEVICE HAVING SINGLE ELECTRODE 有权

    公开(公告)号：US20210126716A1

    公开(公告)日：2021-04-29

    申请号：US17020400

    申请日：2020-09-14

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

    IPC: H04B13/00 ,  H04W52/02

    Abstract: A human body communication device includes an electrode, a matching circuit, a switch providing a first path electrically connected to the matching circuit and a second path electrically connected to the matching circuit, a sensor, in a first state, connected to the matching circuit through the switch, outputting a first sensing signal to the matching circuit, and outputting a second sensing signal when a difference between a signal generated from the matching circuit in response to the first sensing signal and the first sensing signal is greater than or equal to a threshold, a transmitter, in a second state, connected to the matching circuit through the switch, and outputting a data signal to the matching circuit, and a controller controlling the switch from the first state to the second state in response to receiving the second sensing signal from the sensor, in the first state.

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