Patent · US Expired

System and method for emulating an uninterruptable power supply (UPS) using a portable computer

US5958054A · kind A · utility

18Cited by
0References
48Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 17, 1997
Grant dateSep 28, 1999
Priority date
Expiry dateJan 17, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02J9/061
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A portable computer including a chargeable battery and an AC line adapter controls the battery and adapter to emulate a full UPS-class device. A controller of the portable computer with the chargeable battery and the AC line adapter emulates the conventional operation of an uninterruptable power supply (UPS) and a serial cable connecting the UPS to the portable computer. The controller includes a software driver and Basic Input/Output System (BIOS) program code to emulate signals to and from the internal battery and the AC charger.

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