System for remotely controlling power cycling of a...

Details System for remotely controlling power cycling of a... System for remotely controlling power cycling of a...

2005-02-01

2005-02-01

Browne, Lynne H. (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

Power sequencing

C713S340000, C710S002000

Reexamination Certificate

active

06851068

ABSTRACT:
A system and method for remotely power cycling a peripheral subsystem. A host system to remotely control the power cycling of a peripheral subsystem, without the need to include or add any dedicated or special signals beyond those needed for the normal interface between the host system and peripheral subsystem. A peripheral subsystem according to the present invention includes circuitry that senses the presence of a downstream, running switching signal such as a clock line or any “heart beat” type signal such as a clock pulse and initiates the power up event of the peripheral system. Conversely, the same circuitry also senses the absence of a downstream signal and initiates a power down event of the peripheral subsystem.

REFERENCES:
patent: 5764924 (1998-06-01), Yamada
patent: 5781747 (1998-07-01), Smith et al.
patent: 6121849 (2000-09-01), McCollough et al.
patent: 6317839 (2001-11-01), Wells
patent: 6629248 (2003-09-01), Stachura et al.
patent: 6633988 (2003-10-01), Watts et al.
patent: 6668334 (2003-12-01), Abel et al.

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