Electrical connectors – Electromagnetic or electrostatic shield – Shielding individually surrounding or interposed between...
Reexamination Certificate
2001-05-10
2002-03-26
Sircus, Brian (Department: 2839)
Electrical connectors
Electromagnetic or electrostatic shield
Shielding individually surrounding or interposed between...
C439S095000
Reexamination Certificate
active
06361365
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an electrical connector, and particularly to an electrical connector having a grounding plate and grounding pins connected together to achieve a good grounding effect.
2. Description of Related Art
U.S. Pat. No. 5,470,259 discloses an electrical connector
22
having a ground shroud
50
and a plurality of conductive signal and grounding terminals
36
secured in a housing
24
of the connector
22
. The ground shroud
50
comprises a first portion
54
and a second portion
62
which has a plurality of second contact sections
70
extending outwardly therefrom for being soldered in through holes
86
of the circuit board
80
. The grounding terminals
36
are soldered with contact pads
84
on the circuit board
80
. To this design, the circuit board
80
must provide much room to arrange through holes
86
and contact pads
84
for connecting the second contact sections
70
and grounding terminals
36
. A limited room on the printed circuit bard is valuable, and decreasing occupying room of the electrical connector on the printed circuit board is desirable. In addition, manufacturing the through holes
86
and designing the contact pads
84
on the printed circuit board
80
is burdensome. Furthermore, total number of the through holes
86
and contact pads
84
is too large, if one electrical connection between the second contact section
70
and grounding circuitry of the through hole
86
or one electrical connection between the grounding terminal
36
and the contact pad
84
is not reliable, grounding effect will be influenced. Hence, an improved electrical connector having a good grounding effect and occupying less room on the printed circuit board is desirable.
SUMMARY OF THE INVENTION
Accordingly, the object of the present invention is to provide an electrical connector having a good grounding effect.
In order to achieve the object set forth, an electrical connector comprises an insulative housing, a plurality of signal and grounding terminals received in the housing, and a grounding plate covered on the housing to shield the terminals. The housing comprises a main body which defines a plurality of through holes extending therethrough, and the grounding terminals are secured in the through holes. The grounding plate comprises a main portion covered on the main body of the housing, a pair of beams extending from a pair of ends of the main portion and being bent to be soldered on a printed circuit board. A pair of grounding pins is integrality formed on each beam. Each grounding pin is partly secured in the corresponding through hole to receive and contact the grounding terminal to form an electrical connection between the grounding terminal and the grounding pin. Thus, an electrical trace from the grounding plate and grounding terminal to the ground circuitry of the printed circuit board is established.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
REFERENCES:
patent: 5470259 (1995-11-01), Kaufman et al.
Chung Wei Te
Hon Hai - Precision Ind. Co., Ltd.
Nasri Javaid
Sircus Brian
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