Backup fuse device, electronic apparatus including the...

Details Backup fuse device, electronic apparatus including the... Backup fuse device, electronic apparatus including the...

2006-04-07

2009-08-11

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

07573690

ABSTRACT:
A backup fuse device includes a switching unit electrically conducted to perform electrical signal transfer when it is determined that electrical signal transfer through a main fuse is failed, and a backup fuse opening to block the electrical signal transfer when the voltage of the electrical signal supplied through the electrical conduction of the switching unit exceeds a predetermined level. An electronic apparatus including the backup fuse device may also include the main fuse, a power supply unit, and a circuit. A method of operating the backup fuse device is further provided.

REFERENCES:
patent: 6043712 (2000-03-01), Leizerovich et al.
patent: 6091273 (2000-07-01), Bernstein et al.
patent: 6653711 (2003-11-01), Dhanasekaran et al.
patent: 6928273 (2005-08-01), Nitta
patent: 04017513 (1992-01-01), None
Kumada, Junchi. Abstract for JP04-17513. Jan. 22, 1992.

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