Power measurement for adaptive battery charger
US6144187A · kind A · utility
111Cited by
4References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 13, 1999 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | Jul 13, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B40/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A highly flexible adaptive battery charger circuit that optimizes the efficiency of battery charging. The battery charger provides internal multiplier circuitry to measure input power allowing it to be used with AC adapters having different wattage. It further includes circuitry to digitally adjust threshold levels for the various control loops within the charger circuitry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.