Power supply circuit

Details Power supply circuit Power supply circuit

2007-08-14

2007-08-14

Easthom, Karl (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S070000, C363S081000, C363S084000, C363S126000, C363S127000

Reexamination Certificate

active

11173488

ABSTRACT:
A power supply circuit comprises a bridge circuit that has four rectifier elements connected and produces a rectified voltage between a positive side output terminal and a negative side output terminal of the power supply circuit, two of the four rectifier elements being connected to the negative side output terminal, a current detection element with which to detect a current, a first switching element that is connected in series to the current detection element and together with the current detection element is connected in parallel with one of the two rectifier elements, and a second switching element that is connected in series to the current detection element and together with the current detection element is connected in parallel with the other of the two rectifier elements. Based on a result of detecting with the current detection element, switching timings of the first and second switching elements are controlled.

REFERENCES:
patent: 2004/0047167 (2004-03-01), Prasad et al.
patent: 2001-286149 (2001-10-01), None
patent: 2001286149 (2001-10-01), None

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