Electrical connector assembly

Details Electrical connector assembly Electrical connector assembly

1999-08-13

2001-01-16

Sircus, Brian (Department: 2839)

Electrical connectors

With supporting means for coupling part

Supporting plural, independent coupling parts

C439S607070, C439S941000

Reexamination Certificate

active

06174198

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention generally relates to an electrical connector assembly, and particularly to an electrical connector assembly having excellent shielding and grounding capabilities.
A connector assembly incorporating at least two stacked connectors is commonly used on a mother board for conserving occupied space thereon such as those disclosed in U.S. Pat. Nos. 5,501,613 and 5,733,143. Such a connector assembly includes a bracket for supporting the stacked connectors. Each connector has an insulative housing and a plurality of terminals retained in the housing. Each terminal has a mounting tail rearwardly extending beyond the housing for being soldered to the mother board. However, the exposed parts of the terminals are subject to external electromagnetic interference. Each terminal disposed at a high level of the connector assembly has a long vertical portion exposed outside of the housing and is more likely to be adversely affected by interference. In addition, without grounding means between terminals in different rows, cross talk therebetween hinders proper signal transmission. Thus, a connector assembly which can absolve the above problems is desired.
SUMMARY OF THE INVENTION
Accordingly, a first purpose of the present invention is to provide an electrical connector assembly which can effectively reduce cross talk between terminals in different rows.
A second purpose of the present invention is to provide an electrical connector assembly having a bracket defining a plurality of cavities for receiving at least two stacked connectors thereby promoting an efficient use of space on a mother board.
A third purpose of the present invention is to provide an electrical connector assembly having excellent shielding capabilities.
To fulfill the above-mentioned purposes, an electrical connector assembly in accordance with the present invention comprises a first connector, a pair of second connectors, a circuit board and a bracket. The first connector is located above the second connectors. The bracket defines a pair of vertically aligned cavities for receiving the first and second connectors. The first connector includes a plurality of terminals having mounting tails. A pair of indicating devices mounted to the first connector and each indicating device has conductive wires extending therefrom. Circuit traces are longitudinally arranged on the circuit board. First ends of the circuit traces are connected to the mounting tails while second ends of the circuits are connected to an intermediate device connected to a mother board. The circuit traces are arranged so that cross talk therebetween can be effectively reduced.
The connector assembly further comprises a pair of shielding shells for effectively shielding the terminals from external electromagnetic interference.


REFERENCES:
patent: 3761842 (1973-09-01), Gandrud
patent: 5637015 (1997-06-01), Tan et al.
patent: 5759067 (1998-06-01), Scheer
patent: 5989069 (1999-11-01), Tan
patent: 6027375 (2000-02-01), Wu
patent: 6053773 (2000-04-01), Wu
Big News! In Printed Circuit Connectors, Electronic Components News, Mar. 1954, H.H. Buggie, Inc.

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