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    Flashlight
    4.
    外观设计
    Flashlight 有权

    公开(公告)号：USD998204S1

    公开(公告)日：2023-09-05

    申请号：US29850953

    申请日：2022-08-24

    申请人： Lei Zhang

    设计人： Lei Zhang

    摘要： FIG. 1 is a front and top perspective view of a flashlight, showing my new design;
    FIG. 2 is a right side elevation view thereof;
    FIG. 3 is a left side elevation view thereof;
    FIG. 4 is a front elevation view thereof;
    FIG. 5 is a rear elevation view thereof;
    FIG. 6 is a top plan view thereof;
    FIG. 7 is a bottom plan view thereof;
    FIG. 8 is an enlarged perspective view of detail “8” identified in FIG. 1; and,
    FIG. 9 is an enlarged rear elevation view of detail “9” identified in FIG. 5.
    The dashed broken lines in the drawings illustrate portions of the article and form no part of the claimed design. The dash-dot-dash broken lines in FIGS. 1, 5, 8, and 9 are for the purpose of depicting the enlarged views and form no part of the claimed design.

    Emergency starting device and emergency starting method
    6.
    发明授权
    Emergency starting device and emergency starting method 有权

    公开(公告)号：US10174736B2

    公开(公告)日：2019-01-08

    申请号：US14443021

    申请日：2015-05-07

    申请人： Lei Zhang

    发明人： Lei Zhang

    IPC分类号： H02J7/00 ,  F02N11/14 ,  H02J7/34 ,  F02N11/08 ,  F02N11/12

    摘要： The present invention provides an emergency starting device, including a first output end and a second output end, wherein the first output end is used for being connected to a positive electrode of an accumulator battery in an engine starting system and the second output end is used for being connected to a negative electrode of the accumulator battery; the device includes a super-capacitor, a controller and a DC-DC booster circuit, wherein the controller receives first electrical signal from the accumulator battery and electrically connects the super-capacitor and the accumulator battery to start the engine with energy stored in the super-capacitor when the first electrical signal changes suddenly, the DC-DC booster circuit increases the output voltage of the accumulator battery to charge the super-capacitor. The invention further provides an emergency starting method accordingly. By using the super-capacitor, the controller and the DC-DC booster circuit the invention fits in various severe environments and can start an engine in emergency permanently and effectively.

    Lens module
    9.
    发明授权
    Lens module 有权

    公开(公告)号：US09857551B2

    公开(公告)日：2018-01-02

    申请号：US14656996

    申请日：2015-03-13

    申请人： Junjie Yan ,  Chuandong Wei ,  Chunhuan Fang ,  Lei Zhang ,  Liangwei Wan

    发明人： Junjie Yan ,  Chuandong Wei ,  Chunhuan Fang ,  Lei Zhang ,  Liangwei Wan

    IPC分类号： G02B7/00 ,  G02B7/02 ,  G02B13/00

    CPC分类号： G02B7/021 ,  G02B7/003 ,  G02B7/022 ,  G02B13/004

    摘要： A lens module includes a lens barrel, and a lens group received by the lens barrel. The lens barrel includes an first supporter, a second supporter extending vertically from the first supporter, and a receiving space formed by those supporters, the first supporter having a light aperture, the second supporter having an inner surface facing the receiving space. The lens group includes a first lens abutting against the inner surface of the second supporter, a second lens stacked on the first lens and abutting against the inner surface of the second supporter, a third lens stacked on the second lens and abutting against the inner surface of the second supporter, and a fourth lens stacked on the third lens and abutting against the inner surface of the second supporter, for ensuring the concentricity among the lenses and keeping the lens group coaxial with the lens barrel.