Battery pack and charging system for a portable electronic device
US5734254A · kind A · utility
303Cited by
10References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 6, 1996 |
| Grant date | Mar 31, 1998 |
| Priority date | — |
| Expiry date | Dec 6, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery pack, adapter and integrated charging system for charging a battery pack of the type used in a portable electronic device such as a notebook computer, a cellular telephone, etc. The battery pack includes a battery coupled through a power converter to a secondary transformer winding. A communication link is provided to the adapter which includes control logic and a power selector. The adapter may be configured to provide DC or AC power to charge a portable electronic device and the processor of a portable electronic device may be used to control charging of an external battery pack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.