Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate
2007-02-20
2007-02-20
Nguyen, Matthew V. (Department: 2838)
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
C323S282000
Reexamination Certificate
active
10821415
ABSTRACT:
Electronic circuits couple energy storage devices, such as double layer capacitors or rechargeable battery cells, to a power supply output, thereby improving noise suppression and extending ride-through capability of the power supply. In a typical circuit, an energy storage device is coupled in series with a switch that controls the charging current into the energy storage device. The switch is controlled by a comparator that receives a signal related to the voltage level of the power supply. In some embodiments, the comparator also receives a feedback signal related to a charging current flowing into the energy storage device. The circuit is configured so that the switch limits the charging current to a predetermined current level, or does not allow the charging current to flow until the output voltage of the power supply reaches a predetermined voltage level.
REFERENCES:
patent: 5675193 (1997-10-01), Lee
patent: 6608520 (2003-08-01), Miyazaki
patent: 6648086 (2003-11-01), Schulte
patent: 6708757 (2004-03-01), Hebel et al.
patent: 6765375 (2004-07-01), Tu et al.
patent: 6771119 (2004-08-01), Ochi
patent: 7091709 (2006-08-01), Suzuki
patent: 2003/0067281 (2003-04-01), Wilk et al.
patent: 1300933 (2003-09-01), None
Hensley Kim & Edgington LLC
Maxwell Technologies, Inc.
Nguyen Matthew V.
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