Patent ID: 6211653
Filing Date: 2001-04-03
Classification: G01R

Abstract:
An apparatus for use in combination with a battery having an electrical charge, said apparatus comprising:a first portion which is selectively coupled to said battery for a first period of time, which measures said electrical charge of said battery during said first period of time, and which is selectively and electrically dischargeable;a second portion which is selectively coupled to said battery for a second period of time, which measures said electrical charge of said battery during said second period of time, and which is selectively and electrically dischargeable;a third portion which is selectively coupled to said first portion during said second period of time and to said second portion during said first period of time and which electrically discharges said first portion during said second period of time and which electrically discharges said second portion during said first period of time, thereby allowing said first portion and said second portions to cooperatively provide a measurement of said electrical charge of said battery.