US Patent 7151680 Switching power supply circuit and frequency converter
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Patent Inventor Names
Masahiro Hiraga0
Masayuki Hirota0
Satoshi Ibori0
Tetsuya Kimura0
Tooru Nakajima0
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Patent abstract
An object of the present invention is to lower the voltage applied to the starting resistor of the starting circuit in a switching power supply circuit to reduce the power loss especially when the receiving voltage is high and thereby provide a small and inexpensive switching power supply circuit.
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US Patent 07151680 Switching power supply circuit and frequency converter US Patent 7151680 Switching power supply circuit and frequency converter
Infobox
Patent Number
071516800
Patent Number
71516800
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Patent Jurisdiction
Patent Number
071516800
Date of Patent
December 19, 2006
0Patent Application Number
104447620
Date Filed
May 22, 2003
0Official Website
Patent Primary Examiner
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US Patent 07151680 Switching power supply circuit and frequency converter
Infobox
Is a
Patent jurisdiction
Patent number
07151680
Date of patent
December 19, 2006
Patent application number
10444762
Date Filed
May 22, 2003
Patent primary examiner
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