Low pass filter

Details Low pass filter Low pass filter

2006-12-15

2008-12-30

Jackson, Stephen W (Department: 2836)

Electrical transmission or interconnection systems

Miscellaneous systems

Power packs

C320S166000

Reexamination Certificate

active

07471016

ABSTRACT:
The present disclosure provides a method for filtering in a cordless electrical device. The method may include coupling a filter network, a microcontroller and a plurality of battery cells having a cell voltage and a current. The method may further include operatively connecting at least one switched capacitor low-pass filter to the plurality of battery cells, the at least one switched capacitor low-pass filter configured to receive a signal from the filter network. The method may also include filtering the signal from the filter network, delivering a filtered signal input to an ADC and generating an output from the ADC.

REFERENCES:
patent: 5254930 (1993-10-01), Daly
patent: 5438250 (1995-08-01), Retzlaff
patent: 6157165 (2000-12-01), Kinoshita et al.
patent: 6208117 (2001-03-01), Hibi
patent: 7230352 (2007-06-01), Bedard et al.

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