System and method for starting up plural electronic devices...

Details System and method for starting up plural electronic devices... System and method for starting up plural electronic devices...

2007-10-02

2007-10-02

Perveen, Rehana (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

C713S330000, C307S011000, C307S031000, C307S036000, C307S038000

Reexamination Certificate

active

10997620

ABSTRACT:
A system for starting up plural electronic devices includes an external controller, a power source, and four backboards. The external controller includes four output ends. Each backboard includes a power switch connected to a respective electronic device and to the power source, an onboard controller connected to the respective power switch, and first and second connectors each having four ends. Fourth, first, second and third ends of the first connector are respectively connected to first, second, third, fourth ends of the second connector. The onboard controller includes four input ends respectively connected to the four ends of the first connector, and an output end connected to the power switch. Signals output from the external controller are received as four different input signals at the four onboard controllers, the input signals corresponding to four different time delays for the onboard controllers to output signals to start up the four electronic devices.

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