Battery charger
US7579807B2 · kind B2 · utility
11Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2006 |
| Grant date | Aug 25, 2009 |
| Priority date | — |
| Expiry date | Mar 29, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2207/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery charger including a charging power supply circuit connected to an input power supply and adapted to charge a battery to be charged, a charging control circuit adapted to control charging of the battery, and a constant voltage power supply adapted to drive the charging control circuit, wherein the charging control circuit stops an output of the constant voltage power supply when the battery is detached from the charger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.