DIRECT-CURRENT POWER SUPPLY AND BOOSTING CHARGE DEVICE USINGIT
PROBLEM TO BE SOLVED: To provide a small and highly efficient DC power supply and a quick charger employing it. SOLUTION: The DC power supply comprises a parallel control switching power supply circuit in which a receptacle to be coupled with the plug of an electric/electronic apparatus 9 is provide...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a small and highly efficient DC power supply and a quick charger employing it. SOLUTION: The DC power supply comprises a parallel control switching power supply circuit in which a receptacle to be coupled with the plug of an electric/electronic apparatus 9 is provided in the series line to an AC power supply such that the electric/electronic apparatus 9 functions as a current limit impedance element when the plug is coupled with the receptacle. The quick charger comprises a battery B provided at the output part of a parallel control switching power supply circuit in which a receptacle to be coupled with the plug of an electric/electronic apparatus 9 is provided in the series line to an AC power supply such that the electric/electronic apparatus 9 functions as a current limit impedance element when the plug is coupled with the receptacle. |
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