Electrical connectors – Preformed panel circuit arrangement – e.g. – pcb – icm – dip,... – With mating connector which receives panel circuit edge
Patent
1993-12-07
1995-10-03
Nguyen, Khiem
Electrical connectors
Preformed panel circuit arrangement, e.g., pcb, icm, dip,...
With mating connector which receives panel circuit edge
439608, 361785, 333124, H01R 909
Patent
active
054547253
ABSTRACT:
An adapter and control card system for a digital computer is provided for coupling the digital computer to a selectable choice of communications media. The system includes a general-application host card removably insertable into the digital computer, and a communications-medium-specific adapter card removably insertable into the host card, the host card having a cutout conforming to side and end boundaries of said adapter card, the adapter card fitting within the cutout along a substantially common plane in order to minimize surface height of the adapter card and the host card. Mating connectors, particularly between the adapter card and the host card, form transmission lines taking full advantage of ground pins adjacent to signal-carrying differential pairs shielding the signals with a controlled characteristic impedance. In a specific embodiment, the support structure for the connectors also forms the mechanical support for the adapter card and the host card.
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patent: 5305182 (1994-04-01), Chen
Oliver Lloyd N.
Speiser Benjamin T.
3Com Corporation
Nguyen Khiem
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