Transformer, multi-output switching power supply, liquid...

Details Transformer, multi-output switching power supply, liquid... Transformer, multi-output switching power supply, liquid...

2006-08-02

2009-02-03

Patel, Rajnikant B (Department: 2838)

Electricity: power supply or regulation systems

External or operator controlled

Using a transformer or inductor as the final control device

C336S174000, C336S08400R, C363S021020

Reexamination Certificate

active

07486066

ABSTRACT:
The present invention aims to obtain a stable output voltage without requiring an extra circuit by suppressing influence of noise of the primary winding and voltage induction by leakage inductance. In a transformer3used in a multi-output switching power supply, a secondary winding S1for outputting a voltage to be fed back to the primary side out of the secondary windings S2to Sn winded on a bobbin3ais divided into a first layer S1aand a second layer S1b, a secondary winding S2to Sn for outputting a voltage not fed back to the primary side is winded between the first layer S1aand the second layer S1b, and the first layer S1aand the second layer S1bis regular winded.

REFERENCES:
patent: 4658342 (1987-04-01), Wharton
patent: 5502430 (1996-03-01), Takahashi et al.
patent: 10-327581 (1998-12-01), None
patent: 2000-184714 (2000-06-01), None
patent: 2003-153530 (2003-05-01), None
Patent Abstracts of Japan, Publication No. 2003-153530, Publication Date: May 23, 2003, 1 page.
Patent Abstracts of Japan, Publication No. 10-327581, Publication Date: Dec. 8, 1998, 2 pages.
Patent Abstracts of Japan, Publication No. 2000-184714, Publication Date: Jun. 30, 2000, 2 pages.

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