Electric double layer capacitor apparatus
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United States of America Patent
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-
Dec 4, 2001
Grant Date -
N/A
app pub date -
Sep 8, 2000
filing date -
Sep 9, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric double layer capacitor with a control circuit component. When the electric double layer capacitor is provided in plural and these capacitors are serially connected for charging thereof through a source of DC power, the control circuit component balances charge Voltage of each electric double layer capacitor. The control circuit component is mounted to a control circuit board. The control circuit board has a diameter smaller than that of a sheath can of the electric double layer capacitor and is fixedly secured to a cover such that it does not project upwardly beyond an upper end of a pole projection, serving as a positive electrode, of the electric double layer capacitor.
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