Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1994-08-29
1996-09-17
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
347147, 307109, 323351, H03M 166, H02M 306, G05B 2402, H02J 100
Patent
active
055571875
ABSTRACT:
A switched capacitor network includes a switch device alternatingly charging two first capacitors having the same capacitance from a signal voltage source with polarities being opposite relative to a ground potential and then discharging each of the two first capacitors through the input circuit of a respective differential amplifier. The switch device alternatingly charges two second capacitors having the same capacitance in phase opposition with one another from a reference voltage source with the same polarities relative to the ground potential and then discharges each of the two second capacitors through the input circuit of a respective one of the differential amplifiers, in synchronism with the charging and discharging of the two first capacitors. The switch device charges each of two third capacitors having the same capacitance as the second capacitors in phase opposition with a respective corresponding one of the second capacitors from the reference voltage source with the same polarities relative to the ground potential and then discharges each of the two third capacitors through the input circuit of a respective one of the differential amplifiers.
REFERENCES:
patent: 4999634 (1991-03-01), Brazdrum et al.
patent: 5057839 (1991-10-01), Koch
Alger-Meunier Michael
Koch Rudolf
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
Toatley , Jr. Gregory J.
Wong Peter S.
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