Invention Grant
- Patent Title: Overpower-protection circuit and power supply apparatus having the same
- Patent Title (中): 超大功率保护电路及其电源装置
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Application No.: US11653634Application Date: 2007-01-16
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Publication No.: US07697309B2Publication Date: 2010-04-13
- Inventor: You Bing Bao , Wei Luo
- Applicant: You Bing Bao , Wei Luo
- Applicant Address: FR Issy les Moulineaux
- Assignee: Thomson Licensing
- Current Assignee: Thomson Licensing
- Current Assignee Address: FR Issy les Moulineaux
- Agent Robert D. Shedd; Jeffrey M. Navon
- Priority: EP06300053 20060123
- Main IPC: H02H7/122
- IPC: H02H7/122 ; H02M3/335
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.
Public/Granted literature
- US20070171688A1 Overpower-protection circuit and power supply apparatus having the same Public/Granted day:2007-07-26
Information query
