Method and system for monitoring latent faults in power...

Details Method and system for monitoring latent faults in power... Method and system for monitoring latent faults in power...

2011-05-31

2011-05-31

Crosland, Donnie L (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specified power supply

C340S636100, C340S650000, C340S660000, C320S136000

Reexamination Certificate

active

07952488

ABSTRACT:
A method and system for monitoring latent faults in power supplies may include a variable voltage source and a logic module that may be coupled to an OR FET circuit. The monitoring system may also include comparators for measuring a voltage drop across a FET and, based upon a value of the voltage drop, may determine a latent fault, such as a short circuit or open circuit across the FET.

REFERENCES:
patent: 5872460 (1999-02-01), Bennett et al.
patent: 5914545 (1999-06-01), Pollersbeck
patent: 6465909 (2002-10-01), Soo et al.

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