Dual range power supply and adapter for use with same

Details Dual range power supply and adapter for use with same Dual range power supply and adapter for use with same

1998-02-02

1999-08-17

Wong, Peter S.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363146, H02M 3335, H02M 100

Patent

active

059402822

ABSTRACT:
A dual range power supply 200 is operable with either an AC line input, or a DC input. To facilitate use with an AC input the power supply is provided with a pair of AC prongs, connected to a rectifier bridge. The power supply is also provided with a positive DC receptacle. In using the power supply with a DC source, the power supply is connected to an adapter. The adapter has receptacle slots for receiving the AC prongs of the power supply, and a positive DC prong which mates with the positive DC receptacle of the power supply. Positive DC power is applied to the power supply through the positive DC receptacle while the DC return is through the rectifier bridge and at least one of the AC prongs.

REFERENCES:
patent: D300626 (1989-04-01), Crutcher et al.
patent: D318648 (1991-07-01), Collins
patent: 4261712 (1981-04-01), Kinkade
patent: 4999752 (1991-03-01), Rogers et al.
patent: 5369255 (1994-11-01), Sherer et al.
patent: 5414610 (1995-05-01), Brainard
patent: 5602726 (1997-02-01), Sakai
patent: 5744934 (1998-04-01), Wu
patent: 5766020 (1998-06-01), Hughes

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