System and method for emulating an uninterruptable power supply (UPS) using a portable computer
US5958054A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1997 |
| Grant date | Sep 28, 1999 |
| Priority date | — |
| Expiry date | Jan 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.