Backup power circuit

Details Backup power circuit Backup power circuit

1999-10-19

2000-08-22

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

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

307 64, H02M 3335, H02J 906

Patent

active

061082171

ABSTRACT:
A backup power circuit provides reserve power to a terminal device in the event of loss of power from the main power source. In the terminal device, the main power source is connected to a power circuit which generates two different voltage signals used by different circuits therein. The backup power circuit selectively stores energy from the higher voltage signal and supplies the stored energy to the power circuit when the main power fails, thereby allowing the power circuit to generate the lower voltage signal.

REFERENCES:
patent: 5029285 (1991-07-01), Bobry
patent: 5302858 (1994-04-01), Folts
patent: 5414611 (1995-05-01), Muto et al.
patent: 5790391 (1998-08-01), Stich et al.
patent: 5798633 (1998-08-01), Larsen et al.
patent: 5909360 (1999-06-01), Lavin et al.
patent: 5982645 (1999-11-01), Levran et al.
patent: 5982652 (1999-11-01), Simonelli et al.

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