Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
1997-10-28
2001-12-18
Tolin, Gerald (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S692000, C439S735000
Reexamination Certificate
active
06331938
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a computer device, particularly to one applied to a computer network, having lower cost, electric features, convenient assembly, small dimensions after assembly, and reduced electric and magnetic interference to a large degree.
Stacking characteristics of computer devices can be divided into structural connections and an electric connections.
Nowadays, the structural stacking of the computer devices such as hubs
1
shown in
FIG. 1
, leaves little gaps making it hard for heat to disperse, as the hubs
1
are stacked up rather near to each other.
As seen from
FIG. 1
, conventional electrical connection of the hubs for computer devices is performed by lead wires
11
and two connecters
12
between the hubs
1
, and through a parallel port such as RS232, SCS1, etc. on a circuit board.
However, electrical connection with the parallel port, lead wires and connecters may occupy comparatively large dimensions on the circuit board and at high cost. The diameter and gap of the pins of the connecter are rather small, easily causing electric and magnetic interference and bad transmission. To minimize electric and magnetic interference, covered components have to be used and the dimensions of the connecter will become larger, with lead wires becoming very complicated.
SUMMARY OF THE INVENTION
The main purpose of the invention is to offer a computer device of low cost, easy assemblage, easy stacking, good electric features, no electric and magnetic interference and small dimensions.
A feature of the invention is a connect plate having two sides provided with pins at an upper end and a lower end to fit tightly in pin holes in a same level provided in two sides of a computer device so as to support two of the computer devices.
Another feature of the invention is a power supplier independently provided to reduce magnetic interference inside the computer device, with engaging projections provided on a bottom side in the computer device and grooves provided in the power supplier to engage the engaging projections so as to permit the computer devices to be stacked.
One more feature of the invention is an upper hole and a lower hole provided in the computer device in the same location for a parallel pin receptacle to be inserted therein and a pin socket mounted on a circuit board for electrically connecting the stacked computer devices.
REFERENCES:
patent: 4466048 (1984-08-01), Schwab
patent: 5514907 (1996-05-01), Moshayedi
patent: 5561593 (1996-10-01), Rotolante
patent: 5575686 (1996-11-01), Nochese
patent: 5612854 (1997-03-01), Wiscombe
patent: 5778522 (1998-07-01), Burns
patent: 5808876 (1998-09-01), Mullenbach
Hsieh Shyn-An
Hsieh Shyn-Tsong
Dougherty & Troxell
SURECOM Technology Corporation
Tolin Gerald
LandOfFree
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