Portable computer with heat dissipating device

Details Portable computer with heat dissipating device Portable computer with heat dissipating device

1999-08-02

2001-05-08

Picard, Leo P. (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S690000, C361S692000, C361S695000, C174S016100, C174S016300, C165S080300, C165S185000, C312S223100, C454S184000

Reexamination Certificate

active

06229701

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a portable computer, more particularly to a portable computer having a heat dissipating device that includes openable and closable slats.
2. Description of the Related Art
Referring to
FIG. 1
, a conventional portable computer is shown to include a central processing unit (CPU)
10
, and a heat dissipating device
12
disposed on the CPU
10
. The heat dissipating device
12
is generally small in size due to the limited space available in the interior of the portable computer. Hence, the heat dissipating effect provided thereby is not very satisfactory.
SUMMARY OF THE INVENTION
Therefore, the main object of the present invention is to provide a portable computer with a heat dissipating device which can achieve an enhanced heat dissipating effect.
Accordingly, the portable computer of the present invention includes a computer housing and a heat dissipating device. The computer housing has a side wall formed with a ventilation hole. The heat dissipating device includes a plurality of juxtaposed heat dissipating slats mounted pivotally in the ventilation hole and movable between a closed position, where the slats overlap to close the ventilation hole, and an open position, where the slats form clearances thereamong for passage of air through the ventilation hole. The heat dissipating device may further include a heat conducting plate mounted in the computer housing and in heat conductive contact with the slats.


REFERENCES:
patent: 1872599 (1932-08-01), Le Grand
patent: 2901961 (1959-09-01), Cotts
patent: 3698429 (1972-10-01), Lowe et al.
patent: 4621570 (1986-11-01), Bolton et al.
patent: 4653384 (1987-03-01), Amano
patent: 5470276 (1995-11-01), Burnell et al.
patent: 5793610 (1998-08-01), Schmitt et al.
patent: 6005770 (1999-12-01), Schmitt

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