Patent ID: 6329790
Filing Date: 2001-12-11
Classification: H02J

Abstract:
A timed battery charger for processing a battery through a charging cycle, comprising:a current source having an alternating current input and a direct current output for providing current at a single pre-determined level during the charging cycle;controls means for dividing the charging cycle into a plurality of successive, predetermined phases, each phase comprising a duty cycle wherein the charging current from the current source is delivered to an external battery terminal, alternated with a resting cycle during which the charging current is not delivered to the external terminal of the battery;further comprising a timer for determining the duration of the charging cycle;wherein said timer is set to control the duration of the charging cycle for:D type batteries at about 20 minutes;C type batteries at about 15 minutes;AA type batteries at about 10 minutes; andAAA type batteries at about 3 minutes.