Method of regulating power consumption by electronic equipment containing integral rechargeable backup batteries and used in systems where the equipment operates from a vehicle engine battery and the like, and improved apparatus therefor

摘要

A method of and apparatus for regulating power consumption by electronic equipment containing integral rechargeable backup batteries used, among other places, in systems operating with vehicle engine main batteries and the like, and wherein techniques are employed to minimize the depletion of the main batteries used to maintain the charge on the backup battery, particularly under circumstances of engine shut down, but with electronic equipment continued power demands on the backup batteries.