Battery pack unit, control method therefor, electronic equipment driven by power supplied from the same battery pack unit, and recording medium on which program for controlling the same battery pack unit is recorded
US5982145A · kind A · utility
23Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 7, 1998 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Apr 7, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/0024
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Power is supplied to electronic equipment from a battery pack unit by the control of the battery pack unit. A plurality of battery packs are attached to a personal computer. The battery packs each compare the voltage of the personal computer with the voltage of a battery built in its own battery pack. Upon comparison, charging FETs and discharging FETs provided for the battery packs are independently switched on or off. Accordingly, the battery packs simultaneously supply power to the personal computer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.