Power supply unit

Details Power supply unit Power supply unit

2007-08-21

2007-08-21

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Current conversion

Encased in plug housing

Reexamination Certificate

active

10513010

ABSTRACT:
A plug device with a built-in power supply of switch mode power supply type is disclosed. The plug device comprises a printed circuit board upon which a high-frequency transformer, a low-voltage capacitor and other components which make up a switch mode power supply are arranged. A first isolating barrier extends form the housing in between the high-frequency transformer and said low-voltage capacitor. A third isolating barrier extends form the housing and into a first slot in the printed circuit board and a fourth isolating barrier extends from said housing and into a second slot in the printed circuit board. These slots are placed between the high-voltage and low-voltage connection terminals of the high-frequency transformer. A second isolating barrier extends from said housing and between the high-frequency transformer and the printed circuit board and beneath said high-frequency transformer.

REFERENCES:
patent: 4273406 (1981-06-01), Okagami
patent: 4856999 (1989-08-01), Flohr
patent: 5369352 (1994-11-01), Toepfer et al.
patent: 6267627 (2001-07-01), Lin
patent: 6544051 (2003-04-01), Su
patent: 0 493 080 (1992-07-01), None
patent: 0 531 687 (1993-03-01), None
patent: WO94/06177 (1994-03-01), None

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