Patent · US Active

Power management system and method

US8400162B1 · kind B1 · utility

14Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 9, 2010
Grant dateMar 19, 2013
Priority date
Expiry dateMay 28, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/3842
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A method of monitoring battery capacity comprises determining a starting capacity of a battery; determining an activity coefficient for a device connected to the battery; determining a voltage and current profile for the battery using the starting capacity; determining a voltage and current operating point for the device using the activity value for the device; and determining an updated capacity of the battery using the voltage and current profile for the battery and the voltage and current operating point for the device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.