Input/output connector for a mobile electric device

Details Input/output connector for a mobile electric device Input/output connector for a mobile electric device

2001-01-10

2002-08-13

Ta, Tho D. (Department: 2833)

Electrical connectors

Preformed panel circuit arrangement, e.g., pcb, icm, dip,...

Distinct contact secured to panel circuit

C439S603000, C439S629000, C439S733100, C439S746000

Reexamination Certificate

active

06431883

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an input/output connector, particularly to an input/output connector adapted for a mobile electric device, such as a mobile phone.
2. Description of Prior Art
An input/output connector disposed inside a mobile electric device can communicate with an external electric device. Conventionally, terminals of the input/output connector are directly welded onto the printed circuit board. Accordingly, when a plug is inserted into the input/output connector or an inserted plug is pulled out from the input/output connector, the terminals of the input/output connector are easily damaged due to a friction between the plug and the input/output connector.
FIG. 1
shows a conventional mobile phone, in which reference numeral
1
represents an upper shell of the mobile phone, reference numeral
2
represents a lower shell that detachably engages with the upper shell
1
, and reference numeral
3
represents a printed circuit board disposed in the lower shell
2
. An input/output connector
4
is usually mounted at the bottom of the lower shell
2
and electrically connected to the printed circuit board
3
.
FIG. 2
a
and
FIG. 2
b
show the details of the input/output connector
4
. Being different from the previous welding manner, the input/output connector
4
holds the printed circuit board. The input/output connector
4
consists mainly of a body portion
5
and a plurality of terminals
6
. The body portion
5
is provided with a plurality of terminal holes
51
for receiving the terminals
6
. The body portion
5
is provided with a plurality of bulges
52
on its periphery. Each bulge
52
can abut against the lower shell
2
of the mobile phone so that the input/output connector is fixed inside the mobile phone. Each terminal
6
is provided with a contact portion
61
and a positioning portion
62
respectively, wherein each contact portion
61
is substantially “&Lgr;” in shape so as to abut against the body portion
5
before the printed circuit board
3
is inserted into the input/output connector. After the printed circuit board
3
is inserted into the input/output connector, the contact portions
61
of the terminals
6
are in contact with the printed circuit board
3
. Furthermore, each positioning portion
62
of the terminal
6
abuts against a positioning block
53
of the body portion
5
, respectively. Each positioning portion
62
is made of metal and thus can electrically communicate with an external electric device.
The defect of the input/output connector as shown in
FIGS. 2
a-
2
c
is that the terminals
6
are easily moved. Since each terminal
6
is disposed in the body portion
5
by the spring force of the contact portion
61
of the terminal
6
itself, the terminal
6
is easily moved or pushed out of the body portion
5
when the printed circuit board
3
is inserted into the input/output connector, as shown in
FIG. 2
c.
As a result, the quality of the input/output connector is unstable. Furthermore, the terminals
6
disposed in the body portion
5
are arranged in a single array, thus the input/output connector occupies a large space in the mobile phone.
SUMMARY OF THE INVENTION
The object of the present invention is to solve the above-mentioned problems and provide an input/output connector adapted for a mobile electric device, for example a mobile phone. The input/output connector comprises a connector body and at least one pair of terminals, wherein the connector body is exposed to the outside of the shell and provided with at least one pair of terminal holes, and an engaging block is located inside each terminal hole at a position adjacent to the outside. Furthermore, a contact portion is formed at one end of each terminal and an engaging portion is formed at the other end. Each engaging portion respectively engages with the engaging block and the contact portions of each pair of the terminals hold the printed circuit board of the mobile electric device. Any portion of each contact portion exposed to the outside of the shell can communicate with an external electrical device.


REFERENCES:
patent: 3289148 (1966-11-01), Antes
patent: 4659158 (1987-04-01), Sakamoto et al.
patent: 5024609 (1991-06-01), Piorunneck

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