Electricity: battery or capacitor charging or discharging – Capacitor charging or discharging – For large capacitance
Reexamination Certificate
2001-12-20
2002-08-20
Toatley, Gregory (Department: 2838)
Electricity: battery or capacitor charging or discharging
Capacitor charging or discharging
For large capacitance
C320S166000
Reexamination Certificate
active
06437544
ABSTRACT:
BACKGROUND OF THE INVENTION
(a) Field of the Invention
The present invention is related to a serial stage power supply combination for emergency auxiliary charging apparatus, and more particularly, to an improved combination for emergency auxiliary charging and various applied circuits.
(b) Description of the Prior Art
A single voltage source is available as a charging source in conventional storage as a charging apparatus for a charging source.
SUMMARY OF THE INVENTION
The primary purpose of the present invention is to provide an improved emergency auxiliary power supply comprised of a rechargeable secondary battery or a super capacitor to function as an emergency charging source. A conduction train for charging purpose, an optional charging control circuit and another optional first storage unit comprised of a diode on the output side to prevent inverse voltage and connected to a second storage in the load coupled to the output are provided to comprise a DC power supply system allowing flexible combination with at least two stages for serial stage power supply.
REFERENCES:
patent: 6169389 (2001-01-01), Chen
Bacon & Thomas
Luk Lawrence
Toatley Gregory
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