Motherboard

Details Motherboard Motherboard

2007-05-15

2009-06-02

Leja, Ronald W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

Reexamination Certificate

active

07542260

ABSTRACT:
A motherboard includes a printed circuit board (10), and at least a power/ground trace (20) formed on the printed circuit board. The trace includes a pair of main lines (14, 24) and at least a protection line (12, 22) connected between the main lines. A width of the main lines is constant and wider than of the protection line. Wherein when a current flowing through the power/ground trace exceeds a maximum current the protection line can endure, the protection line is burnt and disconnected from the main lines, thereby generating less smoke and protecting components connected with the trace of the motherboard from damage due to excess current.

REFERENCES:
patent: 6043966 (2000-03-01), Krueger et al.
patent: 7186922 (2007-03-01), Kuzmenka
patent: 2004/0190269 (2004-09-01), Makaran
patent: 2008/0100411 (2008-05-01), Tofigh et al.

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