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    • 2. 发明授权
    • Shelf for housing printed circuit boards
    • 外壳印刷电路板架
    • US5769644A
    • 1998-06-23
    • US722431
    • 1996-09-06
    • Richard G. MurphyBruce I. Dolan
    • Richard G. MurphyBruce I. Dolan
    • H05K7/14H01R9/09
    • H05K7/1448
    • A shelf for housing printed circuit boards in which a back plane has an extension in the form of a back plane extender printed circuit board electrically connected to the back plane and extending forwards from the back plane at one side of the shelf. In a location forwardly of the back plane, the extender printed circuit board carries a connector structure which extends outwards from the extender printed circuit board and has connectors outwards from the extender printed circuit board. These connectors are accessible either from the front or rear of the shelf dependent upon connector orientation. This structure avoids the need for connectors on the rear face of the back plane thus allowing for the back plane to be located further to the rear and permitting increase in size in circuit boards to be mounted within the shelf. The connector structure is preferably detachable so as to permit its replacement with a different design of connector structure. The connector structure may include its own printed circuit board which when changed for a board of different design may change the operation of the total circuit board arrangement including the back plane.
    • 一种用于容纳印刷电路板的搁架,其中背面具有电气连接到背板并且从搁板一侧的背面向前延伸的背面扩展器印刷电路板形式的延伸部。 在背板的前方位置,扩展印刷电路板承载从扩展器印刷电路板向外延伸的连接器结构,并且具有从扩展器印刷电路板向外的连接器。 这些连接器可以根据连接器方向从机架的前部或后部进入。 这种结构避免了对背面的后表面上的连接器的需要,从而允许背板进一步位于后部,并允许电路板中的尺寸增加以安装在搁板内。 连接器结构优选是可拆卸的,以便允许用不同的连接器结构设计进行更换。 连接器结构可以包括其自己的印刷电路板,当对于不同设计的电路板进行改变时,可以改变包括背板的总电路板布置的操作。