Multi-port receptacle connector unit

Details Multi-port receptacle connector unit Multi-port receptacle connector unit

1999-06-08

2001-03-20

Bradley, Paula (Department: 2833)

Electrical connectors

With supporting means for coupling part

Supporting plural, independent coupling parts

C439S061000, C439S607070, C439S636000

Reexamination Certificate

active

06203365

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a multi-port receptacle connector unit, especially a multi-port receptacle connector unit allowing external devices to be located between spaced ports thereof.
2. The Prior Art
Single port receptacle connectors have been used to connect an external device to a printed circuit board for years. These connectors can be referred to Taiwan patent application Nos. 84112993, 85103740, 85203116, and 86206353. Due to the high data capacity requirement, a single-port connector is not enough to support the transmission of high capacity of data, therefore, at least two receptacle connectors are needed to meet larger capacity requirement from external devices. Therefore, it is requisite to provide a new receptacle connector unit comprising at least two ports equaling the capacity of two separate single-port connectors. However, if the connector unit is short of a metal shielding, an EMI problem may exist and affect the transmission fidelity of signals. Moreover, the connectors usually have a grounding contact resistance beyond the acceptable level and cause additional impedance especially in a high frequency environment.
It is requisite to provide a multiple-port receptacle connector unit for meeting higher capacity requirement and preferably the connector unit includes a metal shielding for eliminating the EMI problem.
SUMMARY OF THE INVENTION
The primary purpose of the present invention is to provide a multi-port receptacle connector for meeting larger capacity requirement than a single port receptacle connector.
The second purpose of the present invention is to provide a multi-port receptacle connector unit having metal shielding to eliminate EMI problem.
The third purpose of the present invention is to provide a multi-port receptacle connector unit having metal shielding which can provide at least a further grounding path to a printed circuit board thus effectively reducing the contacting ground resistance.
In accordance with one aspect of the present invention, a multiple-port receptacle connector unit comprises two parallel insulative housings connected to each other at respective ends thereof via two bridge portions thus defining a space therebetween. Each insulative housing defines a mating port along a lengthwise direction thereof and comprises at least one row of surface mount contacts each of which has a contacting portion vertically exposing to the mating port and a soldering portion horizontally exposing to external from a bottom of the insulative housing.
In accordance with another aspect of the present invention, a multiple-port receptacle connector unit comprises a first pair of parallel insulative housings and a second pair of parallel insulative housings connected to each other at respective ends thereof thus forming a square structure and defining a space in the square structure. Each insulative housing defines a mating port along a lengthwise direction thereof and comprises at least one row of surface mount contacts each of which has a contacting portion vertically exposing to the mating port and a soldering portion horizontally exposing to external from a bottom of the insulative housing.


REFERENCES:
patent: 5263867 (1993-11-01), Doi et al.
patent: 5697799 (1997-12-01), Consoli et al.
patent: 5863222 (1999-01-01), Kinsey, Jr. et al.
patent: 5876245 (1999-03-01), Tomita et al.

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