Rechargeable battery protection device
US7928695B2 · kind B2 · utility
1Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2008 |
| Grant date | Apr 19, 2011 |
| Priority date | — |
| Expiry date | Dec 22, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/0031
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rechargeable battery protection device has a voltage detector, a logic circuit, an output stage, a first switch, a second switch and inverter circuits. The device turns on a charger to charge a rechargeable battery or turns off the charger not to charge the rechargeable battery depending on the purpose for battery protection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.