Electricity: battery or capacitor charging or discharging – Battery or cell discharging – With charging
Reexamination Certificate
2008-01-29
2008-01-29
Tso, Edward H (Department: 2838)
Electricity: battery or capacitor charging or discharging
Battery or cell discharging
With charging
Reexamination Certificate
active
10538268
ABSTRACT:
In order to provide a battery charging state arithmetic operation device which can judge a charging state of a battery currently being used easily and in a short time, there are provided battery voltage calculation means6with specified load for calculating a first and a second battery voltages when a battery current is at a specified load current value from a first I-V characteristic of the battery which is in a first state as a currently used state and is stored in first I-V characteristic storage means3and a second I-V characteristic which is in a second state where the amount of remaining energy is small and is stored in second I-V characteristic storage means4, and SOC arithmetic operation means7for calculating an SOC (charging state) of the battery in the first state by using the first and the second battery voltages calculated.
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patent: 5650712 (1997-07-01), Kawai et al.
patent: 4-115084 (1992-10-01), None
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Microfilm of the Specification and Drawings Annexed to the Request of Japanese Utility Model Application, No. 18430/1991, (Laid-open No. 115084/1992), (Kyushu Denki Seizo Kabushiki Kaisha), Oct. 12, 1992.
Anzai Kiyoharu
Fujihara Shinji
Hayashi Toshiaki
Kiribayashi Motoshi
Nakamura Hideji
Japan Storage Battery Co., Ltd.
Mitsubishi Denki & Kabushiki Kaisha
Sughrue & Mion, PLLC
Tso Edward H
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