Power supply unit for supplying electric power to an electronic

Details Power supply unit for supplying electric power to an electronic Power supply unit for supplying electric power to an electronic

1998-12-23

2000-08-22

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

Regulated discharging

H01M 1046

Patent

active

06107781&

ABSTRACT:
In a battery-driven system comprising an electronic apparatus as a main unit and a power supply unit which incorporates a battery (cells) and supplies source power for working the main unit, the present invention intends to achieve more efficient use of the battery. A discharge switch for turning on/off an output of the battery supplied to the side of the main unit is incorporated in the power supply unit. In response to turn-on of a switch provided on the main unit side or a signal from an MPU (control unit) on the main unit side, supply of the source power from the power supply unit to the main unit is controlled to turn on/off.

REFERENCES:
patent: 3599071 (1971-08-01), Iapuyade
patent: 3864617 (1975-02-01), Smith et al.
patent: 4641042 (1987-02-01), Yoshiaki

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