Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
You Bing Bao0
Wei Luo0
Date of Patent
April 13, 2010
0Patent Application Number
116536340
Date Filed
January 16, 2007
0Patent Primary Examiner
Patent abstract
The present invention provides an overpower-protection circuit and a power supply apparatus having the same. The power supply apparatus comprises a rectifier, a transformer and an overpower-protection circuit The overpower-protection circuit comprises a converter having a converter input electronically coupled to the rectifier and a converter output, a photo coupler having at least a first terminal coupled with the converter output, and having an output terminal, and a clipper electrically coupled across said terminals of the photo coupler for keeping the converter output below a predetermined voltage.
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