Patent Number: 7,088,079

Title: Active power factor correction

Abstract: An active power factor pre-converter having AC voltage input from a mains AC power supply and a DC output voltage, the pre-converter comprising adjustment means to adjust automatically, in operation, the DC output voltage as a function of the rectified AC voltage input.

Inventors: Lefedjiev; Adrian (Renfrewshire, GB)

Assignee: Minebea Co. Ltd.

International Classification: G05F 1/70 (20060101)

Expiration Date: 8/08/02018