Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1992-06-12
1994-03-01
Hickey, R. J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 37, H02J 710
Patent
active
052911187
ABSTRACT:
The present invention relates to a device for detecting whether a battery is connected to an electric charger or the battery is disconnected therefrom. This invention is simple in construction, and can effectively carry out the operation thereof. The device of this invention includes a heat sensitive element connected through a temperature detecting line to a data processor and a reference voltage source connected to the end of the heat sensitive element. After at least one battery is connected to the device and an electric charging into the battery is completed, the battery is removed, whereby a data processor detects the resulting voltage change through the temperature detecting line similarly operating as a voltage detecting line.
REFERENCES:
patent: 3917900 (1975-11-01), Sherman, Jr.
patent: 4667143 (1987-05-01), Cooper et al.
patent: 4727306 (1988-02-01), Misak et al.
United Kingdom Search Report, GB 9212692.9, Oct. 1, 1992.
Furukawa Denchi Kabushiki Kaisha
Hickey R. J.
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