Electrical connectors – Preformed panel circuit arrangement – e.g. – pcb – icm – dip,... – With provision to conduct electricity from panel circuit to...
Reexamination Certificate
2003-01-27
2004-10-12
Ta, Tho D. (Department: 2833)
Electrical connectors
Preformed panel circuit arrangement, e.g., pcb, icm, dip,...
With provision to conduct electricity from panel circuit to...
C439S076100, C439S077000
Reexamination Certificate
active
06802721
ABSTRACT:
CROSS REFERENCE TO RELATED APPLICATION
This application is based on and incorporates herein by reference Japanese Patent Application No. 2002-24059 filed on Jan. 31, 2002.
BACKGROUND OF THE INVENTION
The present invention relates to an electronic device in which a circuit board, which includes an electronic circuit, and an electric connector are connected by a flexible printed wiring board (PWB) for establishing an electric connection between the electronic circuit and an external electronic device.
JP-A-2001-237575 discloses that kind of electronic device, which is shown in FIG.
1
A. In the manufacturing process of the electronic device of
FIG. 1A
, leads
502
a
of an electric connecter
502
are inserted into through-holes of a flexible PWB
504
, and the leads
502
a
and wires of the flexible PWB
504
are electrically connected by soldering. Then, the flexible PWB
504
and each of the circuit boards
510
,
520
contained in the device are overlapped, and the overlapping portions of the flexible PWB
504
and the circuit boards
510
,
520
are heat pressed to solder wires of the flexible PWB
504
and electric terminals of the circuit boards
510
,
520
.
On the other hand, JP-A-2001-267022 discloses an electronic device, which is shown in FIG.
1
B. In the manufacturing process of the electronic device of
FIG. 1B
, leads
502
a
of an electric connecter
502
are inserted into through-holes of a rigid PWB
550
, and the leads
502
a
and wires of the rigid PWB
550
are connected by soldering. Then, the rigid PWB
550
is electrically connected to each of the circuit boards
510
,
520
contained in the device using flexible PWBs
504
.
However, in the former manufacturing process, the method for connecting the leads
502
a
and the PWB
504
is different from that for connecting the flexible PWB
504
and each of the circuit boards
510
,
520
. In the later manufacturing process as well, the method for connecting the leads
502
a
and the PWB
550
is different from that for connecting each flexible PWB
504
and each of the circuit boards
510
,
520
. Therefore, either manufacturing process requires two types of connecting apparatuses and is relatively complicated.
SUMMARY OF THE INVENTION
The present invention has been made in view of the above aspects with an object to provide an electronic device in the manufacturing process of which a circuit board and an electric connector is relatively readily connected by a flexible PWB.
In the present invention, an electronic device includes a circuit board, a flexible PWB, and an electric connector. The circuit board includes an electronic circuit. The flexible PWB is electrically connected to the electronic circuit. The electric connector includes a plurality of leads and a connector body. Each lead has a substantially straight end and a bent end. A surface of the connector body is substantially parallel to a surface of the flexible PWB. Each bent end of the leads is located on the surface of the connector body to be substantially parallel to the surface of the flexible PWB. The connecter is electrically connected to the flexible PWB using the leads. With the structure of the connector, the circuit board and the electric connector is relatively readily connected by the flexible PWB in the manufacturing process of the electronic device.
REFERENCES:
patent: 4618739 (1986-10-01), Theobald
patent: 4868638 (1989-09-01), Hirata et al.
patent: 5059756 (1991-10-01), Henschenp et al.
patent: 5357074 (1994-10-01), Pawlikowski
patent: 5362243 (1994-11-01), Huss et al.
patent: 5764497 (1998-06-01), Mizumo
patent: 5777850 (1998-07-01), Jakob et al.
patent: 6031730 (2000-02-01), Kroske
patent: 2001/0015887 (2001-08-01), Sanada et al.
Kawamoto Satoru
Sanada Kazuya
Yagura Toshiaki
Yanagisawa Akihiro
Chung-Trans X.
Denso Corporation
Nixon & Vanderhye PC
Ta Tho D.
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