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272 条记录 (耗时 0.023 秒)

    Brush wear indicator
    44.
    发明授权
    Brush wear indicator 失效
    刷磨损指示器

    公开(公告)号：US4528557A

    公开(公告)日：1985-07-09

    申请号：US371507

    申请日：1982-04-23

    申请人： Kenneth E. Braun

    发明人： Kenneth E. Braun

    IPC分类号： H01R39/58 ,  G08B21/00

    CPC分类号： H01R39/58

    摘要： A motor brush wear indicator includes a probe embedded in a brush and connected in the primary circuit of a transformer for completing the secondary circuit when the brush has worn to a predetermined degree. An oscilator is coupled to the secondary of the transformer which in turn is connected to the gate of an SCR for providing a gate signal when the primary circuit is completed. A relay is connected to the anode-cathode circuit of the SCR for operating an indicating device when the SCR becomes conductive.

    摘要翻译： 电动机刷磨损指示器包括嵌入在电刷中并连接在变压器的初级电路中的探针，用于当刷子磨损到预定的程度时完成次级电路。 振荡器耦合到变压器的次级，变压器的次级又连接到SCR的栅极，以在主电路完成时提供栅极信号。 当SCR变为导通时，继电器连接到SCR的阳极 - 阴极电路，用于操作指示装置。

    Efficient surface texturing of objects produced by additive manufacturing
    49.
    发明授权
    Efficient surface texturing of objects produced by additive manufacturing 有权

    公开(公告)号：US11602899B2

    公开(公告)日：2023-03-14

    申请号：US16760114

    申请日：2018-10-23

    申请人： Carbon, Inc.

    发明人： Ruwen Liu

    IPC分类号： B33Y50/02 ,  B29C64/393 ,  G06F30/20 ,  G06T15/04 ,  G06T17/10 ,  G06T19/20 ,  G06F113/10

    摘要： A method of making a three-dimensional object from an object geometry data file that includes (a) slicing said object geometry data file to produce a rasterized image sequence file; (b) generating a signed distance field from said object geometry data file; (c) selecting, from a library of procedural texture functions, a procedural texture function defining a continuous internal or external set of features; (d) modifying said rasterized image sequence to include said internal or external set of features based on said signed distance field to thereby produce a modified image sequence file; and then (e) producing said three-dimensional object by additive manufacturing from said modified image sequence file, said three-dimensional object having said selected internal feature included therein and/or external feature included thereon.