1
Richard C Sutphin, Steven R Bell, Kurt Monsell: Microprocessor controlled battery charger. Acme Electric Corporation, Pearne Gordon McCoy & Granger, December 1, 1987: US04710694 (73 worldwide citation)

A microprocessor controlled battery charger utilizes a high frequency switching circuit and a means to read the voltage of the battery plus a timer in the circuit wherein the microprocessor is connected both to the timer and to the voltage reading means and establishes a decreasing step charging rat ...


2
Richard C Sutphin, Steven R Bell, Kurt Monsell: Recharging battery charger. Acme Electric Corporation, Pearne Gordon McCoy & Granger, May 3, 1988: US04742290 (52 worldwide citation)

A microprocessor controlled battery charger to charge a battery when the charging current is reduced to zero even though the charger is still connected to the battery. The microprocessor includes a means to read the voltage of the battery and also includes a timer. The voltage of the battery is peri ...