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    • 4. 发明申请
    • CENTERING DEVICE FOR USE WITH BRINELL HARDNESS-MEASURING PROBE
    • 使用BRINELL硬度测量探头的中心装置
    • WO1992015006A1
    • 1992-09-03
    • PCT/US1992001258
    • 1992-02-18
    • NEWAGE INDUSTRIES INC.MAZZOLENI, GiancarloBAKER, Gordon, M.
    • NEWAGE INDUSTRIES INC.
    • G01N03/48
    • G01N3/42G01N2203/0098G01N2203/0647
    • The invention is directed to centering devices for use with Brinell hardness measuring instruments, particularly electro-optical instruments. Such instruments include an electro-optical probe (114) coupled by appropriate flexible cabling (115) with an associated processor which may include a display and a keyboard (19) interface. The probe includes one or more illumination sources (119) in a housing (116) with at least some of the optics of the instrument. The housing has an aperture (120) at one end of the probe which is aligned at least generally with the central axis (124) of the probe optics to provide to the probe optics a field of view of the specimen surface when the one end of the probe is located against the specimen surface (120). One centering device includes a spiderlike mechanical centering structure (40) protruding through the probe end opening. Another centering device includes a source (134) which develops a beam (140) of coherent or non-coherent light in the visible spectrum which is directed through the opening at the one end of the probe to permit an operator to align the probe.
    • 本发明涉及用于布氏硬度测量仪器,特别是电光仪器的定心装置。 这样的仪器包括通过适当的柔性布线(115)与可包括显示器和键盘(19)接口的相关处理器耦合的电光探针(114)。 探针包括具有仪器的至少一些光学元件的壳体(116)中的一个或多个照明源(119)。 壳体在探针的一端处具有至少大致与探针光学器件的中心轴线(124)对准的孔(120),以向探针光学器件提供样品表面的视野,当一端 探针位于样品表面(120)上。 一个定心装置包括穿过探头端部开口突出的蜘蛛式机械定心结构(40)。 另一个定心装置包括源(134),源(134)在可见光谱中形成相干或非相干光的束(140),该光束被引导通过探针一端的开口,以允许操作者对准探针。