Electricity: battery or capacitor charging or discharging – Battery or cell discharging – With charging
Patent
1999-05-03
2000-09-12
Tso, Edward H.
Electricity: battery or capacitor charging or discharging
Battery or cell discharging
With charging
320136, H02J 700
Patent
active
061182532
ABSTRACT:
A charge/discharge control circuit has a voltage detecting circuit for detecting at least one of an over-charge state, an over-discharge state and an over-current state of a battery, a control circuit for receiving an output signal of the detecting circuit and outputting a signal for controlling the charging and discharging of the battery, and an activating circuit connected to the control circuit for selectively activating the control circuit according to an output signal of the detecting circuit so as to limit the power consumption of the charge/discharge control circuit by operating the control circuit only when one of an over-charge state, an over-discharge state and an over-current state of the electric power source is detected.
REFERENCES:
patent: 5547775 (1996-08-01), Eguchi et al.
patent: 5705913 (1998-01-01), Takeuchi et al.
patent: 5804944 (1998-09-01), Alberkrack et al.
patent: 5808446 (1998-09-01), Eguchi
patent: 5896025 (1999-04-01), Yamaguchi et al.
patent: 5959436 (1999-09-01), Takashina et al.
patent: 5959437 (1999-09-01), Hamaguchi
patent: 5990663 (1999-11-01), Mukainakano
Mukainakano Hiroshi
Yamazaki Koichi
Seiko Instruments Inc.
Tso Edward H.
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