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 ...


3
Jimmy N Eavenson, Donovan M Pugh: Microprocessor controlled battery charger. E Z Go Division of Textron, Perman & Green, May 7, 1991: US05013992 (20 worldwide citation)

A battery charger 10 includes a microprocessor device 12 coupled to a voltage to frequency converter 18 for determining a magnitude of a voltage potential appearing across a battery under charge. The microprocessor has an output for activating a source of battery charging power when the determined m ...