ELECTRODEPOSITION OF CHROMIUM FROM TRIVALENT CHROMIUM USING MODULATED ELECTRIC FIELDS
    1.
    发明申请
    ELECTRODEPOSITION OF CHROMIUM FROM TRIVALENT CHROMIUM USING MODULATED ELECTRIC FIELDS 审中-公开
    使用调制电场对来自铬酸铬的铬进行电沉积

    公开(公告)号:US20150354077A1

    公开(公告)日:2015-12-10

    申请号:US14826971

    申请日:2015-08-14

    CPC classification number: C25D5/18 C25D3/06 C25D3/10

    Abstract: A layer of chromium metal is electroplated from trivalent chromium onto an electrically conducting substrate by immersing the substrate and a counter electrode in a electroplating bath and passing a modulated electric current between the electrodes. In one embodiment, the current contains pulses that are cathodic with respect to said substrate and in another embodiment the current contains pulses that are cathodic and pulses that are anodic with respect to said substrate. The cathodic pulses have a duty cycle greater than about 80%.

    Abstract translation: 将铬金属层从三价铬电镀到导电基板上,将基板和对电极浸入电镀槽中并在电极之间传递调制的电流。 在一个实施例中,电流包含相对于所述衬底是阴极的脉冲,在另一实施例中,电流包含阴极脉冲和相对于所述衬底是阳极的脉冲。 阴极脉冲具有大于约80%的占空比。

    Adjustable basketball backboard support system
    2.
    发明授权
    Adjustable basketball backboard support system 失效
    可调式篮球背板支援系统

    公开(公告)号:US5503390A

    公开(公告)日:1996-04-02

    申请号:US888652

    申请日:1992-05-27

    Inventor: Timothy D. Hall

    CPC classification number: A63B63/083 A63B2225/093

    Abstract: An adjustable basketball goal that can be raised and lowered easily, quickly, and safely. The simplicity of this design is made possible by the use of a counterweight, parallel links and pins.

    Abstract translation: 一个可调节的篮球目标,可以轻松,快速,安全地升高和降低。 通过使用配重,平行链接和引脚,可以实现这种设计的简单性。

    Instantaneous radiopositioning using signals of opportunity

    公开(公告)号:US06492945B2

    公开(公告)日:2002-12-10

    申请号:US09765313

    申请日:2001-01-19

    CPC classification number: G01S5/10

    Abstract: Instantaneous radio positioning method and system. Signals from a plurality of spatially distributed transmitters are received at a known reference position and at an unknown position to be determined. A composite of the radio signals, simultaneously including a component signed from each of the transmitters, is digitized and then processed to measure phases that is then digitized. Ambiguity is resolved by finding the location in parameter space of the maximum of an ambiguity function related to sets of phase-measurement data. Position is determined at a point in time without keeping track of phase history.

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