Electrical connector

Details Electrical connector Electrical connector

1999-11-29

2001-04-03

Paumen, Gary F. (Department: 2833)

Electrical connectors

With vitreous-type envelope

Having bayonet-coupling contact

C439S606000

Reexamination Certificate

active

06210231

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a connector, and particularly to a mini USB connector including a unitary shell enclosing an insulative housing and a plurality of contacts therein.
2. Description of the Prior Art
As electronic technology advances, electronic products become increasingly smaller and higher speed. During high-speed signal transmission, electromagnetic interference becomes a problem which can seriously affect the quality of the signal transmission. At present, metal shields are often used to reduce the effects of interference. Taiwan Patent Application Nos. 86210437 and 86212282 disclose use of such shielding. However, the shields disclosed in the above Taiwan Patent Applications are generally constructed of two telescopic shells that fit and slide one within the other. The two telescopic shells are separately manufactured and assembled together. Such structures not only reduce the effectiveness of the shielding but also increase the cost of manufacturing the electrical connector because of the assembly required. Hence, an improved electrical connector having a unitary shell is required to overcome the disadvantages of the prior art.
BRIEF SUMMARY OF THE INVENTION
An object of the present invention is to provide a connector including a unitary shell which encloses an insulative housing and a plurality of contacts therein.
To fulfil the above object, an electrical connector of the present invention comprises an insulative housing, a plurality of contacts received in the housing, a unitary shell enclosing the housing and the contacts therein and an insulative cover partially enclosing the shell. The housing includes a body portion and a tongue portion protruding beyond a first face of the body portion. The unitary shell includes a first shielding portion and a second shielding portion connected together via a strip and three tabs formed therebetween. The first and the second shielding portions are bent from a single flat piece of metal to form a rectangular frame having two opposite edges thereof engaging with each other to enclose the body portion and the tongue portion of the housing, respectively.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description of the present embodiment when taken in conjunction with the accompanying drawings.


REFERENCES:
patent: 5683269 (1997-11-01), Davis et al.
patent: 5938476 (1999-08-01), Wu et al.
patent: 5944559 (1999-08-01), Wu
patent: 5961351 (1999-10-01), Wu
patent: 6039606 (2000-03-01), Chiou

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