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532 条记录 (耗时 0.026 秒)

    Charger
    22.
    外观设计
    Charger 有权

    公开(公告)号：USD920906S1

    公开(公告)日：2021-06-01

    申请号：US29729348

    申请日：2020-03-26

    申请人： Lianfang Qiu

    设计人： Lianfang Qiu

    Bed cover of pickup truck
    24.
    发明授权
    Bed cover of pickup truck 有权

    公开(公告)号：US11021047B2

    公开(公告)日：2021-06-01

    申请号：US16517472

    申请日：2019-07-19

    申请人： WENZHOU CHAOMING AUTO PARTS CO., LTD

    发明人： Lanhua Cai ,  Yi Lin

    IPC分类号： B60P7/02 ,  B60J7/14

    摘要： This invention is relevant to a bed cover of pickup truck. The bed cover of pickup truck includes one bed cover. The bed cover includes at least two plates. The adjacent plates are connected by rotating shaft structure. The rotating shaft structure includes a plate-like pedestal, two connectors which form a rotary connection with the pedestal. This invention provides a bed cover of pickup truck with simple structure and great leading function. The drainage channel in the invention are big and will not cause syphonage. Thus the leading function will be better, requirement of the assembly accuracy will be lower and the production will be easier.

    Method for preventing short-term bifurcation and double-spend attack on block chain network
    25.
    发明授权
    Method for preventing short-term bifurcation and double-spend attack on block chain network 有权

    公开(公告)号：US11012229B2

    公开(公告)日：2021-05-18

    申请号：US17251799

    申请日：2019-03-13

    申请人： WEALEDGER NETWORK TECHNOLOGIES CO., LTD.

    发明人： Wenbin Cheng ,  Guangwu Guo ,  Kun Xiao

    IPC分类号： H04L9/06 ,  H04L9/30 ,  H04L9/32

    摘要： The present invention discloses a method for preventing short-term bifurcation and double-spend attack on a block chain network. The method includes the following steps: adding one CA certificate issuance and updating center to the blockchain network; transforming a block data structure and adding a CA certificate-based signature and a public key field; adding certificate effective verification of the signature and the public key to a consensus algorithm of a blockchain network node; improving the consensus algorithm; adding risk identification of a short-term bifurcation malicious double-spending attack to the improved consensus algorithm. The present invention makes minor changes to an original chain and is easy to implement. Because the method only adds the CA center and modifies and adds the necessary consensus algorithms, the method may effectively reduce the possibility of short-term bifurcation double-spending attack. A real-name system CA certificate provides an effective real-name system evidence for subsequently judicial investigation afterwards.

    Simulated candle lamp
    26.
    发明授权
    Simulated candle lamp 有权

    公开(公告)号：US11009201B1

    公开(公告)日：2021-05-18

    申请号：US17134273

    申请日：2020-12-26

    申请人： Dongguan Shufan Homeware Company Limited

    发明人： Gengbiao Liao

    IPC分类号： F21S10/04 ,  F21S6/00 ,  F21Y115/10 ,  F21V23/04 ,  F21V23/00 ,  F21S9/02 ,  F21W121/00

    摘要： Disclosed is a simulated candle lamp, which includes a fixing bottom ring; a battery box installed in the fixing bottom ring; a control PCB installed on the side of the battery box; a transfer PCB installed on top of the battery box; a lower coil fixing member installed above the transfer PCB; a transmitter coil and a swing coil installed in the lower coil fixing member; a housing mounted at the upper end of the lower coil fixing member; an upper coil fixing member installed in the housing; a magnet and a receiver coil installed in the upper coil fixing member where the magnet is arranged above the swing coil, and the receiver coil is arranged above the transmitter coil; an LED fixture arranged above the upper coil fixing member; and an LED light-emitting diode mounted on the LED fixture.