Time division quadrature homodyne CV QKD system

    公开(公告)号:US11546147B2

    公开(公告)日:2023-01-03

    申请号:US17122181

    申请日:2020-12-15

    Abstract: Disclosed is a time division quadrature homodyne CV QKD system, and a continuous variable quantum key distribution system which includes: a transmitter generating an optical pulse of quantum state data by using continuous light according to data of a transmission target encryption key; and a receiver separating the optical pulse received from a channel into two paths and fixing phases of two signals having a time difference of one period of the optical pulse to orthogonal phases, and then generating bit information through state detection by a time division homodyne detection from interacted signals.

    FINGER MOTION ASSIST APPARATUS
    186.
    发明申请

    公开(公告)号:US20220401232A1

    公开(公告)日:2022-12-22

    申请号:US17254465

    申请日:2020-12-18

    Abstract: An apparatus for assisting a finger motion, including a palm support installed to surround a part of a hand-back and a wrist; an extension assist unit secured at a first side thereof to a middle phalanx region of a finger and connected at a second side thereof to the palm support to assist extension of the finger through an elastic force between both ends; and a flexion assist unit comprising a distal phalange support mounted on an end of the finger, and a first flexion wire and a second flexion wire mounted on a part of the finger and assisting flexion of the finger on the basis of tensile force supplied from an outside.

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