Electricity: electrical systems and devices – Electrolytic systems or devices – Double layer electrolytic capacitor
Reexamination Certificate
2006-05-18
2008-09-16
Ha, Nguyen T (Department: 2831)
Electricity: electrical systems and devices
Electrolytic systems or devices
Double layer electrolytic capacitor
C361S503000, C361S504000, C361S508000, C361S510000, C361S512000
Reexamination Certificate
active
07426103
ABSTRACT:
An electric double layer capacitor is configured as follows. A changeover switch is connected to a positive electrode of the electric double layer capacitor, a power supply or electric load is connected to a terminal a of the changeover switch, and an auxiliary electrode is connected to a terminal b thereof through a resistor. The changeover switch is being switched to the terminal a, and discharge and charge of the electric double layer capacitor are repeated. When a discharge capacity becomes equal to or less than a lower limit threshold or an internal resistance becomes equal to or more than an upper limit threshold, the changeover switch is switched to the terminal b from the terminal a to make a channel between the positive electrode and the auxiliary electrode be a closed circuit through the resistor, and resistance discharge is conducted from the positive electrode.
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Nakamura Mami
Nozu Ryutaro
Ha Nguyen T
Nisshinbo Industries Inc.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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