Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1994-08-29
1996-11-05
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
341143, 341172, H02J 700, H03M 300, H03M 112
Patent
active
055721079
ABSTRACT:
A switched capacitor network includes a first capacitor being charged and discharged in alternation by a first switch device and being connected to a first voltage source for charging. A second capacitor is charged and discharged by the second switch device in synchronism with the first capacitor and is switched between the first voltage source and the second voltage source for charging. A product of the capacitance of the first capacitor and the voltage of the first voltage source is equal to a product of the capacitance of the second capacitor and a voltage difference between the two voltage sources. A product of the capacitance of the first capacitor and a contact resistance of the first switch device in a supply line path thereof, is equal to a product of the capacitance of the second capacitor and a sum of an internal resistance of the second voltage source and a contact resistance of the second switch device in a supply line path of the second capacitor.
REFERENCES:
patent: 3516321 (1970-06-01), Harris
patent: 3562621 (1971-02-01), Schaefer
patent: 3940678 (1976-02-01), Koyama
patent: 4422155 (1983-12-01), Amir et al.
patent: 4965711 (1990-10-01), Kamp et al.
patent: 4999634 (1991-03-01), Brazdrum et al.
patent: 5051881 (1991-09-01), Herold
patent: 5057839 (1991-10-01), Koch
patent: 5387882 (1995-02-01), Schoofs
Alger-Meunier Michael
Koch Rudolf
Greenberg Laurence A.
Lerner Herbert L.
Shin K.
Siemens Aktiengesellschaft
Wong Peter S.
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