Multi-period cycle-alternative switching mode power supply...

Details Multi-period cycle-alternative switching mode power supply... Multi-period cycle-alternative switching mode power supply...

2005-01-04

2005-01-04

Sterrett, Jeffrey (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S095000

Reexamination Certificate

active

06839253

ABSTRACT:
The present invention discloses to a multi-period cycle-alternative switching mode power supply control device, comprising: a power transfer control unit, a dimming bias control, a burst timing control, and a steering logic; wherein said device has a variable multi-period control cycle to effectively control certain power transfer elements of specific nature and assure those elements and the loading at the rear end can operate more efficiently in a reliable range of specific nature.

REFERENCES:
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patent: 4591963 (1986-05-01), Retotar
patent: 4642745 (1987-02-01), Steigerwald et al.
patent: 4882664 (1989-11-01), Pennington
patent: 5235504 (1993-08-01), Sood
patent: 5477132 (1995-12-01), Canter et al.
patent: 6151226 (2000-11-01), Chen et al.
patent: 6307765 (2001-10-01), Choi
patent: 6690591 (2004-02-01), Min

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