Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With bootstrap circuit
Reexamination Certificate
2006-03-21
2006-03-21
Riley, Shawn (Department: 2838)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With bootstrap circuit
C327S538000
Reexamination Certificate
active
07015748
ABSTRACT:
The DC-DC converter circuit has a converter unit for conversion of an input voltage to an output voltage; a first capacitor for maintaining a value of the output voltage for a predetermined holdover time; a charging circuit for charging the capacitor with a supply voltage that is greater than the input voltage and a discharging circuit for providing charge to the converter circuit from the charged capacitor when the input voltage is interrupted, whereby the output voltage is maintained for a predetermined holdover time.
REFERENCES:
patent: 4827151 (1989-05-01), Okado
patent: 5258901 (1993-11-01), Fraidlin
patent: 6043705 (2000-03-01), Jiang
Bosch Rexroth AG
Riley Shawn
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