Power supply system

Details Power supply system Power supply system

2007-11-20

2007-11-20

Deb, Anjan (Department: 2858)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C324S762010, C324S522000, C702S058000, C702S064000

Reexamination Certificate

active

11166822

ABSTRACT:
A system for detecting a fault in a power supply having at least one power supply unit and a redundant power supply unit. The system includes a printed circuit board and a common voltage bus disposed on the printed circuit board. A plurality of diodes is disposed on the printed circuit board having first electrodes connected to the common voltage supply bus. The diodes have second electrodes connected to a corresponding one of the at least one power supply unit and the redundant power supply unit. The diodes are connected to the common bus in a logic OR configuration. A controller, disposed on the printed circuit board, is fed by a voltage at the second electrode of a corresponding one of the diodes and a reference voltage for determining whether the voltage at the second electrode of the corresponding one of the diodes is producing a predetermined voltage relative to the reference voltage.

REFERENCES:
patent: 5982652 (1999-11-01), Simonelli et al.
patent: 6947864 (2005-09-01), Garnett
patent: 7205681 (2007-04-01), Nguyen

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