Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location
Reexamination Certificate
2006-10-03
2006-10-03
Deb, Anjan (Department: 2858)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
For fault location
C324S537000
Reexamination Certificate
active
07116110
ABSTRACT:
An electronic device with thermal fault protection wherein temperature sensors are not employed to detect an unbalanced thermal runaway condition. The device employs resistor networks to monitor a voltage differential that can be affected by transistor leakage currents. Configuration of the electronic device in this manner provides accurate and reliable fault protection from both unbalanced thermal runaway conditions and some manufacturing defects without the need for temperature sensors. A method is also provided.
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patent: 2004/0228054 (2004-11-01), Shiotani
patent: 2005/0231146 (2005-10-01), De Frutos et al.
He Amy
Yazaki North America, Inc.
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